CN108187188B - Monitoring device for infusion apparatus and installation method thereof - Google Patents
Monitoring device for infusion apparatus and installation method thereof Download PDFInfo
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- CN108187188B CN108187188B CN201711482774.2A CN201711482774A CN108187188B CN 108187188 B CN108187188 B CN 108187188B CN 201711482774 A CN201711482774 A CN 201711482774A CN 108187188 B CN108187188 B CN 108187188B
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- 238000001802 infusion Methods 0.000 title claims abstract description 105
- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 title abstract description 14
- 238000007667 floating Methods 0.000 claims abstract description 72
- 241001411320 Eriogonum inflatum Species 0.000 claims abstract description 31
- 239000006260 foam Substances 0.000 claims abstract description 26
- 231100000252 nontoxic Toxicity 0.000 claims abstract description 26
- 230000003000 nontoxic effect Effects 0.000 claims abstract description 26
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 239000000806 elastomer Substances 0.000 claims description 11
- 239000004743 Polypropylene Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 6
- 229920005990 polystyrene resin Polymers 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 13
- 230000008859 change Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 39
- 239000003814 drug Substances 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000009471 action Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009967 tasteless effect Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 238000012865 aseptic processing Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
- A61M5/1685—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by detection of position of a floating member
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M2005/16863—Occlusion detection
- A61M2005/16868—Downstream occlusion sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a monitoring device for an infusion apparatus and an installation method thereof, belonging to the field of infusion apparatus auxiliary devices and comprising a floating body, an internal attracting magnet and a lower attracting magnet, wherein the floating body comprises a floating plate and an elastic body surrounding the floating plate, the lower surface of the floating plate is fixed with a non-toxic foam body, the lower end of the elastic body is provided with at least two spring steel sheets, the side surface of the floating plate is fixed with at least three elastic supporting rods at equal intervals along the circumference of the floating plate, and the width of the floating body is not more than the diameter of the mouth of an infusion bottle; the inner attracting magnet and the lower attracting magnet are both annular, the bore diameters of the inner attracting magnet and the lower attracting magnet are respectively matched with the diameters of the sections of the upper end and the lower end of the bottle stopper puncture outfit, and the outer diameters of the inner attracting magnet and the lower attracting magnet are smaller than the width of the floating plate. The invention does not change the original structure of the infusion apparatus, can be recycled, has lower cost, does not participate in an electronic application mechanism and a control mechanism thereof, has uniform and ordered function, is easy to implement and apply, and has wide application range and high application value.
Description
Technical Field
The invention relates to the field of infusion apparatus auxiliary devices, in particular to a monitoring device for an infusion apparatus and an installation method thereof.
Background
The infusion apparatus is a common medical auxiliary apparatus, and a channel between a vein and liquid medicine is established through aseptic processing and is used for intravenous infusion. Generally, the infusion apparatus is formed by connecting eight parts, namely a vein needle or an injection needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like, and a part of the infusion apparatus also comprises an injection piece, a medicine adding port and the like. The currently common infusion apparatus only has an infusion function, the infusion progress needs to be checked frequently, a patient possibly worrys about the hidden danger of infusion and keeps a tense state, and cannot have a good rest, which is not beneficial to rehabilitation and also needs family members to accompany the patient to monitor the patient; when the disease is frequently occurred or the number of medical staff is tense, the medical staff needs to take charge of the infusion work of a plurality of patients, which is difficult to avoid in a mess or untimely way. Once the infusion apparatus stops infusion or changes the liquid medicine when the infusion is exhausted, blood backflow or air injection into the blood vessel may be caused, which threatens the life safety of the patient. There is an urgent need for a device that can help the infusion set monitor the progress of infusion and prevent infusion in a timely manner.
At present, the existing infusion apparatus with the automatic infusion stopping function greatly improves the structure of the infusion apparatus, is used as a brand-new infusion apparatus individual for independent use, cannot be applied to the existing ordinary infusion apparatus, and has more cost investment during application; and the infusion apparatus adopting the photoelectric control monitoring mechanism mostly adopts a closing mode of extruding the infusion hose to stop infusion, so that the infusion pressure is easily increased instantaneously, and discomfort and harm are possibly caused to patients. The patent with application publication number CN 206120868U discloses an infusion apparatus alarm device, it includes the casing, the metal block, becket and silica gel cover, shell top surface and bottom are equipped with feed liquor hole and play liquid hole respectively, the casing lateral wall is equipped with the installation pipe, the installation nose end installation has the end cover of blade, the becket is located in the installation pipe, be equipped with the becket in the installation pipe wall, the becket is connected the metal rod that passes the outer wall of installation pipe, the installation pipe link is equipped with the silica gel cover that is arranged in the packing of casing inner chamber and has gas. When the device is used, the end cover of the ground glaze blade is firstly pulled out, then the infusion tube is cut open, the liquid inlet hole and the liquid outlet hole of the device are arranged between the two cut-open sections of the infusion tube, and then the buzzer is connected to the metal rod. At the initial stage of infusion, the device is filled with liquid medicine, the gas in the silica gel sleeve is compressed, the metal block moves outwards, and the buzzer is not connected; along with the reduction of the liquid medicine in the device, the gas in the silica gel sleeve is gradually relaxed, the metal block moves inwards, and when the two metal rings are touched simultaneously, the buzzer is connected to give an alarm to remind medical personnel to stop infusion or replace the liquid medicine in time. It has the following disadvantages: the transfusion tube is cut off, and the structure of the transfusion device is changed to a certain extent, so that the transfusion device is a disposable product, and the consumption is large; only has the function of giving an alarm in time and does not have the function of automatically stopping the liquid, needs the operation of medical personnel and has lower application value; and an electronic application mechanism and a control mechanism thereof are also needed to participate, the control is not strict enough, the action effect is poor, the fault occurrence possibility is high, and the implementation and the application are not facilitated.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the technical problem of providing a monitoring device for an infusion apparatus and an installation method thereof, which do not change the original structure of the infusion apparatus, can be recycled, have lower cost, do not involve an electronic application mechanism and a control mechanism thereof, are easy to implement and apply, have wide application range and high application value; the function is uniform and orderly, and discomfort and harm to patients caused by the instantaneous increase of the infusion pressure can be avoided.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a monitoring device for an infusion apparatus comprises a floating body, an inner attracting magnet and a lower attracting magnet, wherein the floating body comprises a floating plate and a circular elastomer arranged below the floating plate and surrounding the periphery of the floating plate, the lower surface of the floating plate is fixedly provided with a non-toxic foam body positioned on the inner side of the elastomer, the lower end of the elastomer is uniformly provided with at least two spring steel sheets along the circumference of the elastomer, the side surface of the floating plate is fixedly provided with at least three elastic supporting rods along the circumference of the floating plate at equal intervals, the floating plate is made of a light waterproof material, the elastomer is made of a light elastic plastic, and the width of the floating body is not more than the diameter of the mouth of the infusion apparatus; the inner absorption magnet is annular, the aperture of an inner hole of the inner absorption magnet is matched with the diameter of the section of the upper end of the bottle stopper puncture outfit, and the outer diameter of the inner absorption magnet is smaller than the width of the floating plate; the lower attracting magnet is annular, the aperture of the inner hole of the lower attracting magnet is matched with the diameter of the cross section of the lower end of the bottle stopper puncture outfit, the outer diameter of the lower attracting magnet is equal to the outer diameter of the inner attracting magnet, and the inner attracting magnet and the lower attracting magnet are both magnets with strong magnetism and the same magnetism.
Specifically, the floating plate is made of pure polystyrene resin foam EPS or environment-friendly EVA foam cotton. EPS is a light high-molecular polymer. Polystyrene resin is added with foaming agent, and simultaneously heated for softening to generate gas, so that the foamed plastic with a hard closed-cell structure is formed. Pure polystyrene foam is non-toxic. The uniform closed cavity structure ensures that the EPS has the characteristics of small water absorption, good heat preservation, light weight, higher mechanical strength and the like. The foam has a series of characteristics of elasticity, light weight, quick pressure-sensitive fixation, convenient use, free bending, ultrathin volume, reliable performance and the like, and the environment-friendly EVA foam is a novel nontoxic environment-friendly foam material, has a closed cell structure, does not absorb water, is moisture-proof and has good water resistance. The invention realizes the floating function of the floating plate in the liquid medicine by utilizing the characteristics of light weight and small water absorption so as to lead the floating plate to descend along with the descending of the liquid level of the liquid medicine.
Specifically, the elastomer is made of thermoplastic elastomer (TPE) or polypropylene. The thermoplastic elastomer TPE is a material with the characteristics of high elasticity, high strength, high resilience and injection molding processing of rubber. The environment-friendly, non-toxic and safe polyurethane elastomer has the advantages of environmental protection, no toxicity, wide hardness range and the like, has excellent sealing and water resistance, colorability, weather resistance, fatigue resistance and temperature resistance, is soft in touch, excellent in processing performance, free of vulcanization, and capable of being recycled to reduce cost; polypropylene is a non-toxic, odorless and tasteless milky-white high-crystalline polymer, and is one of the lightest varieties of all plastics at present. It is particularly stable to water, has a water absorption of only 0.01% in water, and polypropylene with a large isotactic index has a high tensile strength. The thermoplastic elastomer TPE or polypropylene can meet the elastic stretching and waterproof requirements of the elastomer, is non-toxic and safe, and is suitable for being applied to infusion sets.
Furthermore, the lower end surface of the non-toxic foam body is a downward convex arc-shaped surface. The closing action of the lower end opening of the elastic body under the action of the internal absorption magnet is facilitated while the closing action of the non-toxic foam body on the bottle plug puncture outfit is not influenced.
Specifically, the elastic support rod is made of spring steel wires or elastic plastics. The spring steel or the elastic plastic has certain elasticity, so that the floating body can conveniently go in and out of the infusion bottle.
Specifically, the difference value between the outer diameter and the inner diameter of the inner attraction magnet is 0.5-1 cm.
The installation method of the monitoring device for the infusion apparatus comprises the following specific steps: firstly, opening a bottle stopper of an infusion bottle, putting the floating body into the infusion bottle, and supporting the elastic supporting rod on the inner wall of the infusion bottle; then the lower attracting magnet is sleeved at the lower end of the bottle stopper puncture outfit, the inner attracting magnet is sleeved at the upper end of the bottle stopper puncture outfit after the bottle stopper puncture outfit penetrates through the bottle stopper, and finally the bottle stopper is plugged on the opening of the infusion bottle, and the infusion bottle is inversely hung on the infusion apparatus fixing frame.
3. Advantageous effects
(1) The invention comprises three parts of the float body, the inner absorption magnet and the auxiliary magnet which are separated from each other, when in use, the float body, the inner absorption magnet and the auxiliary magnet are detachably arranged on the infusion apparatus, only the bottle stopper of an infusion bottle is disassembled and assembled in the installation process, the original structure of the infusion apparatus is not changed, a special infusion apparatus is not required to be arranged, the resource investment is saved, the application range is wide, and the application value is high. The transfusion device can be detached after transfusion, and can be used for the second time after disinfection and cleaning, thereby realizing cyclic utilization and being beneficial to saving resources.
(2) The invention only comprises three parts of the float body, the internal suction magnet and the auxiliary magnet which are separated from each other, has simple structure, uses light waterproof materials, light elastic plastics, non-toxic foam, a small amount of spring steel and two magnets as materials, and has lower cost.
(3) When the floating type medical liquid transfusion device is applied to a transfusion device, the floating principle of a light material in liquid is mainly utilized, so that the floating body can descend along with the descending of the liquid level of medical liquid until the lower end of a non-toxic foam body contacts the tip of a bottle plug puncture outfit (the medical liquid in the transfusion bottle is about to be transfused), at the moment, the lower attracting magnet generates attraction effect on the spring steel sheet, the floating body moves downwards until the bottle plug puncture outfit is punctured into the non-toxic foam body, and the function of timely sealing a medical liquid transfusion passage is realized (namely, the transfusion is automatically stopped, and the phenomenon of liquid medicine transfusion exhaustion or blood return can be avoided); the inner attraction magnet generates an inward attraction force to the spring steel sheet, so that the lower port of the elastic body is folded on the bottle stopper puncture outfit, and the sealing effect on a liquid medicine infusion passage is enhanced. Therefore, the floating characteristic of the light material in the liquid and the magnetic attraction principle of the magnet to the spring steel are mainly utilized, the whole process is free of an electronic application mechanism and a control mechanism thereof, the application is easy to implement, the application range is wide, and the safety is high.
(4) The floating body descends along with the gradual descending of the liquid level of the liquid medicine in the action process of the infusion apparatus, and when the liquid medicine in the infusion bottle is about to be infused, the bottle stopper puncture outfit is pricked into the non-toxic foam body, so that the function of timely sealing the infusion passage of the liquid medicine is realized. The function is uniform, ordered and slow, compared with the closing mode of extruding the infusion hose, the invention has slow function, does not cause the instantaneous increase of the infusion pressure, and can avoid discomfort and harm to patients.
In conclusion, the infusion set does not change the original structure of the infusion set, can be recycled, has low cost, is not involved in an electronic application mechanism and a control mechanism thereof, is easy to implement and apply, and has wide application range and high application value; the function is uniform and orderly, and discomfort and harm to patients caused by the instantaneous increase of the infusion pressure can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of section A-A of FIG. 1;
fig. 3 is a schematic structural diagram of the present invention in a functional state.
Reference numerals: 1-floating body, 2-internal attracting magnet, 3-lower attracting magnet, 4-nontoxic foam body, 5-spring steel sheet, 6-elastic supporting rod, 7-bottle stopper, 8-bottle stopper puncture outfit, 9-infusion bottle, 10-floating plate and 11-elastic body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The monitoring device for the infusion apparatus shown in fig. 1 comprises a floating body 1, an inner attracting magnet 2 and a lower attracting magnet 3, wherein the floating body 1 comprises a floating plate 10 and a circular elastic body 11 arranged below the floating plate 10 and surrounding the floating plate, a non-toxic foam cotton body 4 positioned inside the elastic body 11 is fixed on the lower surface of the floating plate 10, at least two spring steel sheets 5 (in the embodiment, three spring steel sheets 5) are uniformly arranged at the lower end of the elastic body 11 along the circumference, as shown in fig. 2, at least three elastic support rods 6 (in the embodiment, four elastic support rods 6) are fixed on the side surface of the floating plate 10 along the circumference at equal intervals, the floating plate 10 is made of a light waterproof material, the elastic body 11 is made of a light elastic plastic, and the width of the floating body 1 is not more than the diameter of the mouth of an infusion bottle 9; the inner attracting magnet 2 is annular, the aperture of the inner hole of the inner attracting magnet is matched with the diameter of the section of the upper end of the bottle stopper puncture outfit 8, and the outer diameter of the inner attracting magnet 2 is smaller than the width of the floating plate 10; the lower attracting magnet 3 is annular, the aperture of the inner hole of the lower attracting magnet is matched with the diameter of the cross section of the lower end of the bottle stopper puncture outfit 8, the outer diameter of the lower attracting magnet 3 is equal to that of the inner attracting magnet 2, and the inner attracting magnet 2 and the lower attracting magnet 3 are both magnets with strong magnetism and the same magnetism.
In this embodiment, the floating plate 10 is made of pure polystyrene resin foam EPS. EPS is a light high-molecular polymer. Pure polystyrene foam is non-toxic. Polystyrene resin is added with foaming agent, and simultaneously heated for softening to generate gas, so that the foamed plastic with a hard closed-cell structure is formed. The uniform closed cavity structure ensures that the EPS has the characteristics of small water absorption, good heat preservation, light weight, higher mechanical strength and the like. The floating plate 10 realizes the floating function in the liquid medicine by utilizing the characteristics of light weight and small water absorption, so that the floating plate descends along with the descending of the liquid level of the liquid medicine.
In this embodiment, the material of the elastomer 11 is a thermoplastic elastomer TP. The thermoplastic elastomer TPE is a material with the characteristics of high elasticity, high strength, high resilience and injection molding processing of rubber. The environment-friendly, non-toxic and safe polyurethane elastomer has the advantages of environmental protection, no toxicity, wide hardness range and the like, has excellent sealing and water resistance, colorability, weather resistance, fatigue resistance and temperature resistance, is soft in touch, excellent in processing performance, free of vulcanization, and capable of being recycled to reduce cost; the thermoplastic elastomer TPE can meet the requirements of elastic stretching and water resistance of the elastomer 11, is non-toxic and safe, and is suitable for being applied to infusion sets.
In this embodiment, the lower end surface of the non-toxic foam body 4 is a downward convex arc surface. The closing action of the lower port of the elastic body 11 under the action of the internal absorption magnet 2 is facilitated while the closing action of the non-toxic foam body 4 on the bottle stopper puncture outfit 8 is not influenced.
In this embodiment, the elastic support rod 6 is made of a spring steel wire. The spring steel material has certain elasticity, so that the floating body 1 can conveniently go in and out of the infusion bottle 9.
In the present embodiment, the difference between the outer diameter and the inner diameter of the internal attracting magnet 2 is 0.5 cm.
Example 2
The present embodiment is different from embodiment 1 in that:
in this embodiment, the floating plate 10 is made of environment-friendly EVA foam. The foam has a series of characteristics of elasticity, light weight, quick pressure-sensitive fixation, convenient use, free bending, ultrathin volume, reliable performance and the like, and the environment-friendly EVA foam is a novel nontoxic environment-friendly foam material, has a closed cell structure, does not absorb water, is moisture-proof and has good water resistance. The floating plate 10 realizes the floating function in the liquid medicine by utilizing the characteristics of light weight and small water absorption, so that the floating plate descends along with the descending of the liquid level of the liquid medicine.
In this embodiment, the material of the elastic body 11 is polypropylene. Polypropylene is a non-toxic, odorless and tasteless milky-white high-crystalline polymer, and is one of the lightest varieties of all plastics at present. It is particularly stable to water, has a water absorption of only 0.01% in water, and polypropylene with a large isotactic index has a high tensile strength. Can meet the requirements of elastic stretch and water resistance of the elastomer 11, is nontoxic and safe, and is suitable for being applied to infusion sets.
In this embodiment, the elastic support rod 6 is made of elastic plastic, and the elastic plastic has certain elasticity, so that the floating body 1 can be conveniently put in and taken out of the infusion bottle 9.
In the present embodiment, the difference between the outer diameter and the inner diameter of the internal attracting magnet 2 is 1 cm.
The installation method of the monitoring device for the infusion apparatus comprises the following specific steps: firstly, a bottle stopper 7 of an infusion bottle 9 is opened, the floating body 1 is placed into the infusion bottle 9, and the elastic supporting rod 6 is supported on the inner wall of the infusion bottle 9; then the lower attracting magnet 3 is sleeved at the lower end of the bottle stopper puncture outfit 8, after the bottle stopper puncture outfit 8 penetrates through the bottle stopper 7, the inner attracting magnet 2 is sleeved at the upper end of the bottle stopper puncture outfit 8, finally the bottle stopper 7 is plugged on the opening of the infusion bottle 9, and the infusion bottle 9 is reversely hung on the infusion apparatus fixing frame.
The monitoring device for the infusion apparatus has the specific action process that: when infusion is started, the floating body 1 floats on the upper surface of liquid medicine in an infusion bottle 9, the floating body 1 descends along with the descending of the liquid level of the liquid medicine until the lower end of the non-toxic foam cotton body 4 contacts the tip of the bottle plug puncture outfit 8 (the liquid medicine in the infusion bottle 9 is about to be infused out), at the moment, the lower attracting magnet 3 generates attraction effect on the spring steel sheet 5, so that the floating body 1 moves downwards, the bottle plug puncture outfit 8 punctures into the non-toxic foam cotton body 4, the function of timely sealing a liquid medicine infusion passage is realized, namely infusion is automatically stopped, and the phenomenon of liquid medicine exhaustion or blood return is avoided; the inner attracting magnet 2 generates an inward attracting force to the spring steel sheet 5, so that the lower port of the elastic body 11 is folded on the bottle stopper puncture outfit 8, as shown in fig. 3, the sealing effect on the liquid medicine transfusion passage is enhanced.
In addition, the floating body 1, the inner attracting magnet 2 and the lower attracting magnet 3 can be detached from the infusion apparatus after the infusion is finished, and can be reused after being disinfected and cleaned, so that the cyclic utilization is realized, and the resource saving is facilitated.
The infusion set has the advantages that the original structure of the infusion set is not changed, the infusion set can be recycled, the cost is low, an electronic application mechanism and a control mechanism thereof are not involved, the implementation and the application are easy, the application range is wide, and the application value is high; the function is uniform and orderly, and discomfort and harm to patients caused by the instantaneous increase of the infusion pressure can be avoided.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. The monitoring device for the infusion apparatus is characterized by comprising a floating body (1), an inner absorption body (2) and a lower absorption body (3), wherein the floating body (1) comprises a floating plate (10) and a circular elastic body (11) which is arranged below the floating plate (10) and surrounds the periphery of the floating plate, the lower surface of the floating plate (10) is fixedly provided with a non-toxic foam body (4) positioned on the inner side of the elastic body (11), the lower end of the elastic body (11) is uniformly provided with at least two spring steel sheets (5) along the circumference of the elastic body, the side surface of the floating plate (10) is fixedly provided with at least three elastic supporting rods (6) at equal intervals along the circumference of the floating plate, the floating plate (10) is made of a light waterproof material, the elastic body (11) is made of a light elastic plastic, and the diameter of the floating body (1) is not larger than the diameter of the mouth of an infusion; the inner absorption magnet (2) is annular, the aperture of the inner hole of the inner absorption magnet is matched with the diameter of the section of the upper end of the bottle stopper puncture outfit (8), and the outer diameter of the inner absorption magnet (2) is smaller than the width of the floating plate (10); the lower attracting magnet (3) is annular, the aperture of the inner hole of the lower attracting magnet is matched with the diameter of the cross section of the lower end of the bottle stopper puncture outfit (8), the outer diameter of the lower attracting magnet (3) is equal to that of the inner attracting magnet (2), and the inner attracting magnet (2) and the lower attracting magnet (3) are magnets which have stronger magnetism and the same magnetism.
2. The monitoring device for the infusion apparatus according to claim 1, wherein the floating plate (10) is made of pure polystyrene resin foam EPS or environmental EVA foam.
3. The monitoring device for an infusion set according to claim 1, wherein the elastomer (11) is a thermoplastic elastomer (TPE) or polypropylene.
4. The monitoring device for the infusion apparatus according to claim 1, wherein the lower end surface of the non-toxic foam body (4) is a downward convex arc surface.
5. The monitoring device for an infusion set according to claim 1, wherein the resilient support (6) is made of a spring wire or a resilient plastic.
6. The monitoring device for the infusion set according to claim 1, wherein the difference between the outer diameter and the inner diameter of the internal attracting magnet (2) is 0.5-1 cm.
7. The mounting method of the monitoring device for the infusion set according to any one of claims 1 to 6, characterized in that the method comprises the following steps: firstly, a bottle stopper (7) of an infusion bottle (9) is opened, the floating body (1) is placed into the infusion bottle, and the elastic support rod (6) is supported on the inner wall of the infusion bottle (9); then the lower attracting magnet (3) is sleeved at the lower end of the bottle stopper puncture outfit (8), the inner attracting magnet (2) is sleeved at the upper end of the bottle stopper puncture outfit (8) after the bottle stopper puncture outfit (8) penetrates through the bottle stopper (7), finally the bottle stopper (7) is plugged on the opening of the infusion bottle (9), and the infusion bottle (9) is inversely hung on the infusion apparatus fixing frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711482774.2A CN108187188B (en) | 2017-12-29 | 2017-12-29 | Monitoring device for infusion apparatus and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482774.2A CN108187188B (en) | 2017-12-29 | 2017-12-29 | Monitoring device for infusion apparatus and installation method thereof |
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| CN108187188A CN108187188A (en) | 2018-06-22 |
| CN108187188B true CN108187188B (en) | 2020-07-17 |
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| US3942526A (en) * | 1972-03-03 | 1976-03-09 | Wilder Joseph R | Alarm system for intravenous infusion procedure |
| CN2616222Y (en) * | 2003-04-01 | 2004-05-19 | 张跃杰 | Disposable transfusion system with magnetic stop ball |
| CN202387063U (en) * | 2011-11-11 | 2012-08-22 | 刘望军 | Safety float suitable for medical infusion and Murphy drip cup comprising same |
| CN202961350U (en) * | 2012-12-28 | 2013-06-05 | 王开勇 | Medical purpose drip device |
| CN203556010U (en) * | 2013-11-13 | 2014-04-23 | 汕头潮南民生医院 | Intravenous infusion accurate automatic control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100469413C (en) * | 2003-05-13 | 2009-03-18 | A.L.哈达斯技术有限公司 | Device for measuring the volumetric or mass flow rate of a fluid |
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2017
- 2017-12-29 CN CN201711482774.2A patent/CN108187188B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942526A (en) * | 1972-03-03 | 1976-03-09 | Wilder Joseph R | Alarm system for intravenous infusion procedure |
| CN2616222Y (en) * | 2003-04-01 | 2004-05-19 | 张跃杰 | Disposable transfusion system with magnetic stop ball |
| CN202387063U (en) * | 2011-11-11 | 2012-08-22 | 刘望军 | Safety float suitable for medical infusion and Murphy drip cup comprising same |
| CN202961350U (en) * | 2012-12-28 | 2013-06-05 | 王开勇 | Medical purpose drip device |
| CN203556010U (en) * | 2013-11-13 | 2014-04-23 | 汕头潮南民生医院 | Intravenous infusion accurate automatic control device |
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| Publication number | Publication date |
|---|---|
| CN108187188A (en) | 2018-06-22 |
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