CN114073521A - Blood oxygen sensor assembly and blood oxygen measuring device - Google Patents
Blood oxygen sensor assembly and blood oxygen measuring device Download PDFInfo
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- CN114073521A CN114073521A CN202010827113.4A CN202010827113A CN114073521A CN 114073521 A CN114073521 A CN 114073521A CN 202010827113 A CN202010827113 A CN 202010827113A CN 114073521 A CN114073521 A CN 114073521A
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- 239000001301 oxygen Substances 0.000 title claims abstract description 161
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 161
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
- A61B5/14552—Details of sensors specially adapted therefor
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- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
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Abstract
The invention discloses a blood oxygen sensor assembly, which comprises a sensor main body, a blood oxygen detection assembly, a cable and a knuckle fixing part, wherein the sensor main body is provided with a containing part for at least partially containing fingers; the blood oxygen detection component comprises an emitting device and a receiving device which are oppositely arranged, the receiving device is used for receiving the optical signal emitted by the emitting device, and the emitting device and the receiving device are oppositely arranged; one end of the cable is connected with the blood oxygen detection component, and the other end of the cable extends from the sensor main body; the knuckle fixing part and the sensor main body are arranged at intervals.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a blood oxygen sensor assembly and a blood oxygen measuring device.
Background
The blood oxygen saturation is one of the important basic data in clinical medical treatment, and is an important physiological parameter reflecting the respiratory function of a human body and whether the oxygen content in blood is normal or not.
At present, the blood oxygen sensor frequently used by medical staff is easily influenced by the bending and the movement of fingers, has the problem of inaccurate measurement caused by easy displacement, separation and the like, and brings inconvenience to the mobile monitoring of patients.
Disclosure of Invention
The invention provides a blood oxygen sensor component and a blood oxygen measuring device, which can prevent the blood oxygen detecting component from shifting, and improve the wearing reliability and comfort of the blood oxygen sensor and the measuring accuracy.
According to a first aspect of the present application, there is provided a blood oxygen sensor assembly comprising:
a sensor body having a receiving portion that at least partially receives a finger;
the blood oxygen detection component comprises an emitting device and a receiving device which are oppositely arranged, the receiving device is used for receiving the optical signal emitted by the emitting device, and the emitting device and the receiving device are oppositely arranged;
a cable having one end connected to the blood oxygen detecting assembly and the other end extending from the sensor body;
and the knuckle fixing part is arranged at an interval with the sensor main body.
In the blood oxygen sensor assembly of the present application, the sensor main body includes first clamping part, second clamping part and connects the flexion between first clamping part and the second clamping part, first clamping part, second clamping part and flexion form jointly hold the portion of acceping that at least partially holds the finger.
In the blood oxygen sensor assembly of the present application, the emitting device and the receiving device are oppositely disposed to be respectively mounted on the inner surfaces of the first clamping portion opposite to the second clamping portion.
In the blood oxygen sensor subassembly of this application, the blood oxygen sensor subassembly is still including being used for adjusting first clamping part is relative the regulation structure of the position of second clamping part, it sets up to adjust the structure around the sensor main part, the knuckle fixed part is in it keeps away from to adjust the structure one side of flexion and with it sets up to adjust the structure interval.
In the blood oxygen sensor assembly of the application, the accommodating part is in a U-shaped opening shape, and the adjusting structure is arranged to be wound on the position of the U-shaped opening.
In the blood oxygen sensor assembly of the application, the adjusting structure comprises a first bandage, one end of the first bandage is fixedly connected with one side of the first clamping part, and the other end of the first bandage is wound on the second clamping part and the first clamping part.
In the blood oxygen sensor assembly of the present application, the knuckle fixing portion includes a split ring and a second strap disposed outside the split ring.
In the blood oxygen sensor component, a first fixing buckle is arranged on the outer side surface of the second clamping part, and a first opening is formed in the first fixing buckle and used for allowing the free end of the first binding band to penetrate through; and/or the presence of a gas in the gas,
and a second fixing buckle is arranged on the outer side surface of the split ring, and a second opening is arranged on the second fixing buckle and used for allowing the free end of the second binding band to penetrate through.
In the blood oxygen sensor subassembly of this application, first bandage is provided with first mounting on the medial surface that is close to the free end, be provided with the second mounting on the lateral surface of first bandage passes first opening and turns over a back, first mounting is connected with the second mounting.
In the blood oxygen sensor subassembly of this application, first bandage is provided with first mounting on the medial surface that is close to the free end, be provided with the second mounting on the lateral surface of first clamping part first bandage winding is in the time of on second clamping part and first clamping part, first mounting is connected with the second mounting.
In the blood oxygen sensor subassembly of this application, one of them of first mounting and second mounting is the hook-and-loop fastener face, another of first mounting and second mounting is the hook-and-loop fastener matte face, the hook-and-loop fastener face with hook-and-loop fastener matte face colludes.
In the blood oxygen sensor subassembly of this application, first mounting is hook and loop surface is pasted to the magic, the second mounting is hook and loop surface is pasted to the magic, the length that hook and loop surface was pasted to the magic is greater than hook and loop surface's length.
In the blood oxygen sensor subassembly of this application, be equipped with first absorption spare on the first bandage, be provided with on the first clamping part with first absorption spare complex second absorption spare.
In the blood oxygen sensor assembly, the first absorbing part is arranged on the inner side of the first fixing part, and the position of the second absorbing part corresponds to the position of the first absorbing part.
In the blood oxygen sensor component, one of the first adsorption part and the second adsorption part is a metal adsorption part, and the other one of the first adsorption part and the second adsorption part is a magnetic adsorption part.
In the blood oxygen sensor assembly of the application, the first bandage comprises a tensile structure and a bandage body made of flexible materials, wherein the tensile structure is arranged on the bandage body, and at least part of the tensile structure extends along the length direction of the bandage body.
In the blood oxygen sensor assembly of the present application, the structure of the second strap is the same as the structure of the first strap.
In the blood oxygen sensor assembly of the present application, the free end of the first strap is connected to the free end of the second strap.
In the blood oxygen sensor assembly of the present application, the second strap is integrally injection molded with the split ring.
In the blood oxygen sensor assembly of the present application, the thickness of the second strap is less than the thickness of the split ring.
In the blood oxygen sensor assembly of the present application, the diameter of the split ring gradually decreases from the proximal knuckle of the finger in the direction of the middle knuckle of the finger.
In the blood oxygen sensor assembly of the present application, the inner side surface of the open ring is etched with an etching pattern by an etching process.
In the blood oxygen sensor subassembly of this application, the split ring is dorsad one side of first clamping part is provided with net tail structure, the structural line hole that is provided with of net tail, the cable is worn to establish in the line hole.
In the blood oxygen sensor assembly, the cable comprises an outer insulating layer made of flexible material and a conductor for signal transmission, wherein the outer insulating layer is coated on the outer side of the conductor; and/or the cable is cylindrical or flat.
In the blood oxygen sensor assembly of the application, all be provided with the cavity structure on first clamping part and the second clamping part, transmitting device and receiving device install in the cavity structure.
In the blood oxygen sensor assembly of the application, the first clamping part, the second clamping part and the bending part are integrally formed by injection molding.
In the blood oxygen sensor subassembly of this application, first clamping part, second clamping part and flexion adopt the flexible glue material to make, the fixed knot adopts the ebonite material to make.
In the blood oxygen sensor assembly of the present application, the length of the second clamping portion is less than the length of the distal knuckle of the finger.
In the blood oxygen sensor assembly, a limiting bulge is arranged on the inner surface of the bent part and used for indicating the position of the finger in the accommodating part.
According to a second aspect of the present application, the present application further provides an oximetry device, which includes a host and the oximetry sensor assembly, wherein the host is connected to the oximetry sensor assembly through the cable.
The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a blood oxygen measuring device and blood oxygen sensor, because the knuckle fixed part is located the one side of adjusting the structure and keeping away from the flexion and set up with adjusting the structure interval, not only can restrict the sensor main part on the finger through adjusting the structure like this, but also can utilize the knuckle fixed part to prevent the aversion of sensor main part on the finger, make the sensor main part can adapt to the guardianship scene of various removals, thereby the reliability and the travelling comfort that blood oxygen sensor wore have been improved, blood oxygen measuring's accuracy has also been ensured simultaneously.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a finger measured according to the principles of the present invention;
FIG. 2 is a schematic view of a finger wearing the blood oxygen sensor according to an embodiment of the present invention;
FIG. 3 is a schematic view of a finger wearing the blood oxygen sensor according to another embodiment of the present invention;
FIG. 4 is a schematic view of a finger wearing the blood oxygen sensor according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of the blood oxygen sensor of FIG. 4 from another perspective;
FIG. 6 is a schematic view of a finger wearing the blood oxygen sensor according to another embodiment of the present invention;
FIG. 7 is a schematic view of the blood oxygen sensor shown in FIG. 6 after being worn on a finger, wherein the knuckle fixing portion is fixed on the proximal knuckle of the finger;
FIG. 8 is a schematic diagram of the blood oxygen sensor shown in FIG. 6;
FIG. 9 is a schematic diagram of the blood oxygen sensor of FIG. 8 shown from another perspective;
FIG. 10 is a schematic diagram of an oximeter in accordance with another embodiment of the present invention;
FIG. 11 is a schematic diagram of the blood oxygen sensor of FIG. 6, wherein the first strap of the blood oxygen sensor is in an open position;
FIG. 12 is a schematic diagram of the blood oxygen sensor of FIG. 11 shown from another perspective;
FIG. 13 is a schematic cross-sectional view of the blood oxygen sensor of FIG. 6;
FIG. 14 is a schematic view of the knuckle securing portion of FIG. 6;
FIG. 15 is a schematic view of the knuckle securing portion of FIG. 6 secured to a finger, with the knuckle securing portion shown in cross-section;
FIG. 16 is a schematic view of the knuckle fixing portion of FIG. 6 shown from another angle;
FIG. 17 is a schematic view of one embodiment of the knuckle securing portion of FIG. 6;
FIG. 18 is a schematic view of another embodiment of the knuckle securing portion of FIG. 6;
fig. 19 is a schematic structural view of another embodiment of the knuckle fixing part in fig. 6.
Description of reference numerals:
100. a blood oxygen sensor component; 100a, a sensor body; 101a, a torsion spring;
10. a first clamping portion; 11. a groove; 12. a first window; 20. a second clamping portion; 21. a second window; 22. a cavity structure; 30. a bending section; 40. a housing part; 50. a knuckle fixing part; 51. a split ring; 52. a second strap; 53. a second fixing buckle; 54. a net tail structure; 60. an adjustment structure; 61. a first strap; 611. hook surface of magic tape; 612. magic tape hair side; 613. a tensile structure; 62. a first fixing buckle; 63. a connecting structure; 631. a first suction attachment; 632. a second adsorption member; 70. a cable;
200. a finger; 201. a distal knuckle of a finger; 201a, the back of the finger; 201b, finger abdomen; 202. a middle knuckle of a finger; 203. the finger is near the knuckle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The blood oxygen measuring device belongs to the technical field of medical instruments, is mainly used for measuring the blood oxygen saturation, and the blood oxygen saturation is one of important basic data in clinical medical treatment and is an important physiological parameter for reflecting whether the oxygen content in the respiratory function and blood of a human body is normal or not. By measuring the blood oxygen saturation, the blood oxygen content of the patient can be known in time, the health state of the patient is monitored, and the method has great clinical value.
At present, blood oxygen sensor mainly includes finger clip formula blood oxygen sensor, finger stall formula blood oxygen sensor and bandage formula blood oxygen sensor, and these three kinds of blood oxygen sensors all can be worn on patient's finger, make the device compress tightly the finger through elastic element, self deformation, bandage respectively, make its firm the fixing on the finger for providing bigger clamp force.
However, the length of the ventral side of the three blood oxygen sensors is too long, so that the sensors are easily displaced due to daily finger movement, the light path is affected, false alarm is caused, and even the sensors are separated from the fingers, and normal monitoring cannot be performed, for example, when a patient holds an article or holds a handrail, the fingers of the probe can be squeezed or pushed.
In addition, the blood oxygen sensor is easily pulled by the cable of the blood oxygen sensor when the patient moves, and these also can cause the blood oxygen sensor to shift or be separated from the finger, thereby affecting the light path of the blood oxygen sensor and causing the blood oxygen sensor to be incapable of monitoring normally.
As shown in fig. 1 to 19, according to a first aspect of the present application, there is provided an blood oxygen sensor assembly 100, comprising a sensor body 100a, a knuckle fixing part 50, a cable 70 and a blood oxygen detecting assembly, wherein the sensor body 100a has a receiving part for at least partially receiving a finger 200, the blood oxygen detecting assembly comprises an emitting device and a receiving device which are oppositely arranged, the receiving device is used for receiving an optical signal emitted by the emitting device, the emitting device and the receiving device are oppositely arranged, one end of the cable 70 is connected with the blood oxygen detecting assembly, the other end extends from the sensor body 100a, and the knuckle fixing part 50 is arranged at a distance from the sensor body 100a and is used for being fixed on the finger 200.
After the technical scheme is adopted, because the knuckle fixing part 50 and the sensor main body 100a are arranged at intervals, the sensor main body can be limited on the finger through the adjusting structure, and the knuckle fixing part can be used for preventing the sensor main body from shifting on the finger, so that the sensor main body can adapt to various moving monitoring scenes, the wearing reliability and comfort of the blood oxygen sensor are improved, and the accuracy of blood oxygen measurement is ensured.
Illustratively, as shown in fig. 2, the sensor body 100a is a finger stall structure made of a soft plastic material for the finger 200 to be inserted into, wherein the emitting device and the receiving device are disposed on two opposite sides of the finger stall structure, and the knuckle fixing portion 50 is disposed at an interval from the finger stall structure.
Illustratively, as shown in fig. 3, the sensor body 100a has a side C-shaped band structure in which the transmitter and receiver elements are disposed on upper and lower sides of the side C-shaped band structure, and the knuckle fixing portion 50 is disposed at a distance from the side C-shaped band structure.
Illustratively, as shown in fig. 4 to 5, the sensor body 100a is in a finger-clip structure, and includes an upper finger-clip shell and a lower finger-clip shell, which are connected together by a central shaft, and a return spring 101a is mounted on the central shaft, so that the upper finger-clip shell and the lower finger-clip shell can generate elastic deformation in the return spring 101a to generate a clamping force for clamping the finger 200, and ensure that the finger 200 is located in a receiving portion formed by the upper finger-clip shell and the lower finger-clip shell, wherein the knuckle fixing portion 50 is spaced from the finger-clip structure.
Illustratively, as shown in fig. 6 and 7, the sensor body includes a first grip portion 10, a second grip portion 20, a bend portion 30, and a cable 70 extending from the sensor body, the bend portion 30 being connected between the first grip portion 10 and the second grip portion 20 to form a receiving portion 40 for receiving a portion of the finger 200.
In the present embodiment, as shown in fig. 6 and 7, an emitting device is mounted on one of the first and second clamping portions 10 and 20 for emitting an optical signal to a finger between the first and second clamping portions 10 and 20; the receiving device is installed on the other of the first clamping portion 10 and the second clamping portion 20 and is used for receiving the optical signal which is emitted by the emitting device and passes through the finger, namely, the light emitted by the emitting device passes through the finger 200 and is received by the receiving device, and the receiving device converts the optical signal into an electrical signal and transmits the electrical signal to the monitor, so that the monitor can calculate the blood oxygen saturation in the blood of the patient according to the absorption amount of the light.
The fixing component is used for wearing the sensor body in the finger 200, so that the far knuckle 201 of the finger 200 can be limited in the containing part 40, light emitted by the emitting device can pass through the finger and then be received by the receiving device, and further the blood oxygen saturation of a human body can be measured.
Specifically, as shown in fig. 6 and 7, the fixing assembly includes a knuckle fixing portion 50 and the above-mentioned adjusting structure 60, the first clamping portion 10, the second clamping portion 20 and the bending portion 30 together form a receiving portion 40 for at least partially receiving the distal knuckle 201 of the finger, and the adjusting structure 60 is disposed around the sensor body for adjusting the position of the first clamping portion 10 relative to the second clamping portion 20 to control the size of the receiving portion 40 so as to control the clamping force between the first clamping portion 10 and the second clamping portion 20; knuckle securing portion 50 is spaced from adjustment structure 60 on a side of adjustment structure 60 remote from flexion portion 30 such that distal knuckle 201 of finger 200 can be placed within receiving portion 40 and secure the blood oxygen detection assembly to finger 200.
As shown in fig. 1, 6 to 9, when the blood oxygen saturation measurement is performed on the blood oxygen detecting assembly, at least a portion of the distal finger knuckle 201 is placed in the receiving portion 40 formed by the first clamping portion 10, the second clamping portion 20 and the bending portion 30, the adjusting structure 60 is used to adjust the position of the first clamping portion 10 relative to the second clamping portion 20 to control the size of the receiving portion 40, and further adjust the clamping force of the first clamping portion 10 and/or the second clamping portion 20 on the distal finger knuckle 201, so that the distal finger knuckle 201 can be clamped in the receiving portion 40, and the knuckle fixing portion 50 is fixed on the middle finger knuckle 202 or the proximal finger knuckle 203, so as to prevent the distal finger knuckle 201 from falling out of the receiving portion 40 when the finger 200 is moved, so that the blood oxygen sensor assembly 100 can adapt to monitoring scenes of various movements of a patient, and improve the wearing reliability and comfort of the blood oxygen sensor assembly 100, the accuracy of blood oxygen measurement is ensured.
In addition, since the finger section fixing portion 50 and the adjusting structure 60 are arranged at an interval, so that at least part of the finger 200 of the adjusting structure 60 can be limited in the accommodating portion 40, and the adjusting structure 60 can fix the rest of the blood oxygen sensor assembly 100 on the other part of the finger 200, so that the blood oxygen sensor assembly 100 can accommodate the relative movement of the two caused by the bending of the finger of the patient, and the sensor body is prevented from being pulled out due to the interference between the finger sections after the finger is bent, thereby not only ensuring the connection stability between the blood oxygen sensor assembly 100 and the finger 200, but also ensuring the flexibility of the finger 200 after being connected with the blood oxygen sensor assembly 100, preventing the finger 200 from being pulled out from the accommodating portion 40 when the finger 200 moves, so that the blood oxygen sensor assembly 100 can adapt to the monitoring scenes of various movements of the patient, and improving the wearing reliability and comfort of the blood oxygen sensor assembly 100, the accuracy of blood oxygen measurement is ensured.
For example, as shown in fig. 1, 6 and 7, the adjusting structure 60 limits the far finger knuckle 201 or the finger head of the patient in the accommodating portion 40, the knuckle fixing portion 50 is fixed on the middle finger knuckle 202 or the near finger knuckle 203, and since a gap is left between the knuckle fixing portion 50 and the sensor body, the relative movement of the far finger knuckle 20 of the patient relative to the middle finger knuckle 202 or the near finger 203 due to bending can be accommodated, and the finger fixing portion 50 and the sensor body can be prevented from coming off from the far finger knuckle 201 or the finger head, so that the measurement accuracy and the wearing comfort of the blood oxygen sensor assembly 100 are improved, and the problems that the conventional blood oxygen sensor assembly is easily affected by bending and movement of the finger, and measurement is inaccurate due to easy displacement, coming off and the like, and the moving monitoring of the patient is inconvenient are solved.
It should be noted that the blood oxygen sensor assembly 100 may also be clamped on the finger of the patient, so that the finger can be accommodated in the accommodating portion 40 for measuring the blood oxygen saturation level of the patient, which is not described herein again.
After the technical scheme is adopted, because blood oxygen sensor subassembly 100 adopts knuckle fixed part 50 and adjusts the dual-locking structure that structure 60 combines, only one locking structure for blood oxygen sensor subassembly can prevent effectively that blood oxygen sensor subassembly from shifting, has improved reliability and the travelling comfort that blood oxygen sensor subassembly wore, and then makes blood oxygen measurement of blood oxygen sensor subassembly have higher accuracy, also can adapt to the guardianship scene of various removals.
Illustratively, as shown in fig. 6, the knuckle securing portion 50 is secured to the middle knuckle of the finger; as shown in FIG. 7, the knuckle securing portion 50 is secured to the proximal knuckle of the finger to prevent the finger 200 from being removed from the receiving portion 40 when the finger is bent. For example, when the patient gets out of bed for activity, the fingers are bent due to the fact that the fingers are gripped by the two hands, when the fingers are bent, the thrust is exerted on the sensor body by the middle finger abdomen, and after the sensor body moves for multiple times, the sensor body is displaced, so that the measurement accuracy of the sensor body is affected, even the sensor body falls off, and the knuckle fixing portion 50 can just avoid the problem.
In addition, the knuckle fixing part 50 and the adjusting structure 60 can be mutually independent, so that the fingers can bend and move conveniently, the knuckle fixing part 50 and the adjusting structure 60 can also be connected into a whole, only one time of operation is needed during binding, and the finger joint adjusting device is suitable for patients lying in bed for a long time under a bedside monitoring scene. When the cable 70 is dragged, the knuckle fixing part 50 can also block the cable 70 from dragging the sensor body, so that the stability of the sensor body is further ensured, the risk of falling of the sensor body is reduced, and the reliability and comfort of wearing the sensor body are further improved.
In an alternative embodiment, as shown in fig. 1, 6 to 8, the receiving portion 40 is in a U-shaped opening shape, and the adjusting structure 60 is configured to be wound on the position of the U-shaped opening, so as to adjust the relative positions of the first clamping portion 10 and the second clamping portion 20 on two sides of the U-shaped opening to control the size of the U-shaped opening, so as to achieve the adjustment of the clamping force of the receiving portion 40, which is not only simple in structure, but also convenient for production and manufacture.
Illustratively, after the far finger knuckle 201 or the finger is placed in the accommodating portion 40, the first clamping portion 10 is attached to the back 201a of the far finger knuckle 201, the second clamping portion 20 is attached to the finger belly 201b of the far finger knuckle 201, and the bending portion 30 is located at the position of the finger tip, so that the far finger knuckle 201 or the finger can be placed in the accommodating portion 40 from the direction of the U-shaped opening, and then the angle between the first clamping portion 10 and the second clamping portion 20 can be adjusted by the adjusting structure 60, so that the size of the U-shaped opening can be controlled, and the adjustment of the clamping force of the accommodating portion 40 on the far finger knuckle 201 or the finger can be realized.
In an alternative embodiment, as shown in fig. 10 to 11, the adjusting structure 60 includes a first strap 61, one end of the first strap 61 is fixedly connected to one side of the first clamping portion 10, and the other end of the first strap 61 is wound around the second clamping portion 20 and the first clamping portion 10 to adjust the clamping force between the second clamping portion 20 and the first clamping portion 10.
Wherein, first bandage 61 can adopt flexible material to make, for example silica gel material or TPE etc. so not only can improve first bandage 61's compliance, can not injure human skin, but also used repeatedly many times avoids extravagant. In addition, first bandage 61 can also be made by other materials such as cloth, changes in the use, avoids cross infection.
In an alternative embodiment, as shown in fig. 8 to 13, a first fixing buckle 62 is provided on the outer side surface of the second clamping portion 20, and a first opening 621 is provided on the first fixing buckle 62 for the free end of the first binding band 61 to pass through to limit the position of the first binding band 61 on the second clamping portion 20, so that the first binding band 61 does not slide relative to the second clamping portion 20, thereby improving the stability of the fixation of the first binding band 61.
It should be noted that, the first strap 61 includes a first strap fixed end and a first strap free end, the first strap fixed end may be fixed on the second clamping portion 20, and the first strap free end is wound on the second clamping portion 20 and the first clamping portion 10, in order to avoid relative sliding between the first strap 61 and the first clamping portion 10, the first fixing buckle 62 may be disposed on the first clamping portion 10, or a groove for limiting movement of the first strap 61 is disposed on the first clamping portion 10, so as to improve stability of fixing the first strap 61.
Or the first bandage fixing end and the first fixing buckle 62 are both arranged on the second clamping portion 20, and the first clamping portion 10 is provided with the groove 11 for limiting the movement of the first bandage 61, so that the first bandage free end is wound on the second clamping portion 20 and the first clamping portion 10, the first bandage 61 cannot move relative to the first clamping portion 10, and the application is not limited.
In an alternative embodiment, a first fixing member is disposed on the inner side surface of the first strap 61 near the free end, a second fixing member is disposed on the outer side surface of the first strap 61, and after the first strap 61 passes through the first opening and is folded, the first fixing member is connected with the second fixing member for adjusting the angle between the first clamping portion 10 and the second clamping portion 20 to control the size of the accommodating portion 40, so that the accommodating portion 40 can adjust the clamping force of the distal finger joint 201 or the finger head.
In an alternative embodiment, the first strap 61 is provided with a first fixing element on the inner side surface near the free end, the outer side surface of the first clamping portion 10 is provided with a second fixing element, and when the first strap 61 is wound on the second clamping portion 20 and the first clamping portion 10, the first fixing element is connected with the second fixing element for adjusting the angle between the first clamping portion 10 and the second clamping portion 20 to control the size of the accommodating portion 40, so that the adjustment not only can be adapted to different finger sizes, but also the adjustment of the clamping force of the accommodating portion 40 on the far finger knuckle 201 or the finger head can be realized.
It should be noted that, the connection between the first fixing member and the second fixing member may be a snap connection, the connection between the first fixing member and the second fixing member may also be a magnetic connection, the connection between the first fixing member and the second fixing member may also be a detachable connection using a hook and loop fastener, even the connection between the first fixing member and the second fixing member may also be a direct cover-mounted connection using the first strap 61 in the hidden slot, and the purpose is to detach or replace the first strap 61 for convenience, which is not limited in this application.
In an alternative embodiment, as shown in fig. 11, one of the first fixing element and the second fixing element is a hook and loop surface 611, the other of the first fixing element and the second fixing element is a hook and loop surface 612, and the hook and loop surface 611 is hooked with the hook and loop surface 612.
Illustratively, the first fixing member is a hook and loop fastener surface 611, and the second fixing member is a hook and loop fastener surface 612, wherein the length of the hook and loop fastener surface 612 is greater than the length of the hook and loop fastener surface 11. When first bandage 61 twines on second clamping part 20 and first clamping part 10, hook-and-loop fastener face 611 can bond on hook-and-loop fastener hair face 612 all the time to can realize accommodating portion 40's size regulation to the angle modulation between first clamping part 10 and the second clamping part 20, and then can realize accommodating portion 40 and to the regulation of the finger knuckle 201 far away or finger clamping-force, this kind of connected mode not only easy operation, it is reliable to bond moreover.
In an alternative embodiment, the first strap 61 may also be wound on the second clamping portion 20 and the first clamping portion 10 through the connecting structure 63, so that the first strap 61 can be quickly wound on the second clamping portion 20 and the first clamping portion 10. The connecting structure 63 includes a first absorbing part 631 and a second absorbing part 632 matched with the first absorbing part 631, the first absorbing part 631 is disposed on the first binding band 61, and the second absorbing part 632 is disposed on the first clamping part 10, so that when the first binding band 61 is wound on the second clamping part 20 and the first clamping part 10, the first absorbing part 631 can be absorbed on the second absorbing part 632.
In an alternative embodiment, the first suction member 631 is disposed inside the first fixing member, and the second suction member 632 is located at a position corresponding to the position of the first suction member 631, so that the first strap 61 can be wound around the second clamping portion 20 and the first clamping portion 10 under the cooperation of the first suction member 631 and the second suction member 632, and the first fixing member and the second fixing member, which effectively ensures the winding stability of the first strap 61.
In an alternative embodiment, one of the first suction member 631 and the second suction member 632 is a metal suction member, and the other of the first suction member 631 and the second suction member 632 is a magnetic suction member.
For example, the first adsorption element 631 and the second adsorption element 632 may be permanent magnets or electromagnets, the permanent magnets may be alnico or ferrochromoco, and the electromagnets may be selectively turned on or off as required to control the operation of the locking device. The specific type and material of the magnetic attraction member are not limited in this application.
When first binder band 61 is wound around second holder 20 and first holder 10, the opposite magnetic poles of first suction member 631 and second suction member 632 are opposed so that first binder band 61 can be wound around second holder 20 and first holder 10 by the suction force of the opposite magnetic poles. In the present embodiment, the first suction member 631 is a magnetic iron piece and is clamped in the first band 61, and the second suction member 632 is a magnet and is clamped in the first clamping portion 10 so that the magnetic iron piece can be sucked to the magnet.
In addition, the first suction element 631 and the second suction element 632 may be magnetic elements at the same time, wherein the magnetic pole of the first suction element 631 is opposite to the opposite magnetic pole of the second suction element 632, where the opposite magnetic pole means that the opposite magnetic poles of the first suction element 631 and the second suction element 632 form an opposite magnetic pole, so that the first binding band 61 can be wound around the second clamping portion 20 and the first clamping portion 10 and locked and fixed by the attraction force of the opposite magnetic pole of the first suction element 631 and the second suction element 632.
It should be noted that the first attraction piece 631 may also be a bar magnet, a circular magnet, or a magnet with other shapes, and the second attraction piece 632 may be another metal piece that can be attracted by a magnet; alternatively, the first attraction member 631 may be another metal member that can be attracted by a magnet, and the second attraction member 632 may be a magnet, which is not limited in this application.
In an alternative embodiment, first strap 61 includes tensile structure 613 and a strap body made of a flexible material, wherein tensile structure 613 is disposed on the strap body, and at least a portion of tensile structure 613 extends along the length of the strap body to protect first strap 61 from deformation due to multiple uses, which not only improves the wearing comfort of first strap 61, but also ensures the strength of first strap 61.
Specifically, tensile structure 613 is made by soft nylon materials or other cloth, under the prerequisite that does not improve first bandage 61 hardness, the first whole compliance of bandage 61 of furthest assurance, and wherein, tensile structure 613 can be fixed on the bandage body through the mode that silica gel was moulded plastics or was laminated.
In an alternative embodiment, as shown in fig. 12 to 19, the knuckle fixing portion 50 comprises a split ring 51 and a second strap 52, the opening of the split ring 51 faces the side of the finger 200, and the second strap 52 is arranged on the outer side of the split ring 51 for adjusting the size of the opening of the split ring 51 and further controlling the clamping force of the split ring 51, so that the blood oxygen sensor assembly 100 can be stably fixed on the finger at the position of the split ring 51.
Illustratively, the split ring 51 may be made of a silicon material with a slightly higher hardness, and the inner side of the split ring 51 is etched with an etching pattern by an etching process for improving the wearing comfort of the patient, the diameter of the split ring 51 gradually decreases from the proximal knuckle of the finger along the direction of the middle knuckle of the finger to adapt to the difference of the thickness of the finger in front and back directions, and simultaneously, the wearing comfort and reliability can be improved, so that the blood oxygen sensor assembly 100 can be more stably fixed on the proximal knuckle of the finger or the middle knuckle of the finger through the split ring 51.
In an alternative embodiment, the thickness of the second strap 52 is less than the thickness of the split ring 51, facilitating wearing by the patient.
In an alternative embodiment, a second fixing buckle 53 is arranged on the outer side surface of the split ring 51, and a second opening is arranged on the second fixing buckle 53 and is used for allowing the free end of the second bandage 52 to pass through, so that not only can the play of the second bandage 52 outside the split ring 51 be prevented, but also the size of the opening of the split ring 51 can be adjusted, and further the clamping force of the split ring 51 on fingers can be controlled.
In an alternative embodiment, the structure of second strap 52 is the same as the structure of first strap 61.
Illustratively, the second strap 52 is also provided with a first fixing piece on the inner side surface close to the free end, and the outer side surface of the split ring 51 is also provided with a second fixing piece, and when the second strap 52 is wound on the split ring 51, the first fixing piece is connected with the second fixing piece for adjusting the opening size of the split ring 51, so that not only can the split ring 51 be adapted to different finger sizes, but also the adjustment of the finger clamping force of the split ring 51 can be realized.
In addition, the second fixing element may also be disposed on the outer side surface of the second strap 52, and after the second strap 52 passes through the second opening and is folded, the first fixing element is connected to the second fixing element, the principle of which is the same as that of the first strap 61, please refer to the above embodiments, and details are not repeated here.
In an alternative embodiment, as shown in fig. 9-10, the free end of first strap 61 is attached to the free end of second strap 52 to enable quick application of the blood oxygen sensor assembly to a finger.
In an alternative embodiment, the second strap 52 is integrally injection-molded with the split ring 51, which not only simplifies the manufacturing process of the knuckle fixing portion 50, but also improves the manufacturing efficiency of the knuckle fixing portion 50.
In an alternative embodiment, as shown in fig. 8 to 11, a side of the split ring 51 facing away from the first clamping portion 10 is provided with a net tail structure 54, and the net tail structure 54 is provided with a wire hole to allow the cable 70 to be threaded into the wire hole, wherein the diameter of the wire hole is smaller than that of the cable, when the cable is threaded from one side of the wire hole to the other side of the wire hole, the net tail structure 54 can apply a certain damping force to the cable 70 to prevent the cable 70 from sliding greatly relative to the split ring 51. By adopting the net tail structure 54, not only the bending life of the cable 70 can be improved, but also the cable 70 can be deformed to offset the influence on the opening ring 51 when being pulled.
In an alternative embodiment, the cable 70 includes an outer insulating layer made of a flexible material and a conductor for signal transmission, wherein the outer insulating layer covers the outer side of the conductor, and the cable 70 is cylindrical or flat, so that the fitting feeling of the cable 70 and the human body can be increased, and the wearing comfort of the blood oxygen sensor assembly is improved.
In an alternative embodiment, as shown in fig. 13, a cavity structure 22 is provided on each of the first and second clamping portions 10 and 20 to improve the wearing comfort of the blood oxygen sensor assembly. Wherein the transmitting device and the receiving device are mounted in a cavity structure. In the present embodiment, the first clamping portion 10 has a first window 12 thereon, and the second clamping portion 20 has a second window 21 thereon, so that the emitting device and the receiving device can be oppositely disposed through the first window 12 and the second window 21.
It should be noted that the first clamping portion 10 and the second clamping portion 20 may also be solid structures, and the application is not limited thereto.
In an alternative embodiment, the first clamping portion 10, the second clamping portion 20 and the bending portion 30 are integrally injection-molded to improve the bonding strength of the first clamping portion 10, the second clamping portion 20 and the bending portion 30.
In an alternative embodiment, as shown in fig. 11 to 19, the first clamping portion 10, the second clamping portion 20 and the bending portion 30 are made of soft rubber material, and the first fixing buckle 62 and/or the second fixing buckle 53 are made of hard rubber material, so that not only the wearing comfort of the blood oxygen sensor assembly can be ensured, but also the stability of the first strap 61 wound on the sensor main body and the second strap 52 wound on the split ring 51 can be ensured.
Illustratively, the bent sections of the emitting device and the receiving device are positioned at the front end of the finger, and the emitting device and the receiving device are designed into a positive C-shaped form, so that the light emitted by the emitting device can be ensured to be transmitted on the finger when the finger with different sizes is worn, and can be received by the receiving device to the maximum extent.
In an alternative embodiment, as shown in fig. 1, 6-8, the length of the second clamping portion is less than the length of the distal knuckle of the finger, so as to avoid interference between the middle knuckle and the second clamping portion 20 when the finger is bent, thereby improving the flexibility of finger movement.
In an alternative embodiment, as shown in fig. 1, 6 to 11, a limiting protrusion 31 is provided on the inner surface of the bending portion 30 for indicating the position of the finger 200 in the receiving portion 40.
Illustratively, when the patient wears the blood oxygen sensor assembly, the fingertip has obvious touch after touching the limiting protrusion 31, that is, the patient wears the blood oxygen sensor assembly in place. In the process of finger movement, if the blood oxygen sensor component is accidentally pulled back, and the fingertip and the limiting protrusion 31 have obvious touch loss, the patient is instructed to actively wear the blood oxygen sensor component in place.
As shown in fig. 1 to fig. 19, according to a second aspect of the present application, there is provided an oximetry device comprising a host and the oximetry sensor assembly 100 described above, wherein the host is communicatively connected to the oximetry sensor assembly 100 via a cable 70.
In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (32)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010827113.4A CN114073521A (en) | 2020-08-17 | 2020-08-17 | Blood oxygen sensor assembly and blood oxygen measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010827113.4A CN114073521A (en) | 2020-08-17 | 2020-08-17 | Blood oxygen sensor assembly and blood oxygen measuring device |
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| CN114073521A true CN114073521A (en) | 2022-02-22 |
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| CN202010827113.4A Pending CN114073521A (en) | 2020-08-17 | 2020-08-17 | Blood oxygen sensor assembly and blood oxygen measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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