CN109621020B - A medical hand-held sputum suction device with a rotatable sputum suction tube - Google Patents

Abstract

The invention relates to a medical hand-held sputum suction device with a rotatable sputum suction tube, comprising a sputum suction assembly and a suction assembly that can be butted together, and the sputum suction assembly includes a main cylinder body, a sputum suction tube, a sputum suction tube and a linkage block. The main cylinder is composed of an outer cylinder and an inner cylinder. The suction assembly includes a secondary cylinder, a linkage rod, a micro suction pump and a battery assembly. The interior of the secondary cylinder is divided into two chambers by a partition plate. The micro suction The pump is arranged in the chamber near the head end, and the battery assembly is arranged in the chamber near the tail end. The hand-held sputum suction device of the present invention has a rotatable suction tube, which is convenient for removing the sputum adhered on the inner wall of the airway. , By repeatedly pressing the cover at the end of the suction tube, the side suction head of the head of the suction tube can be rotated back and forth, which is easy to peel off the sputum adhering to the inner wall of the airway and smoothly suck it away, and the suction effect is better.

Description

A medical hand-held sputum suction device with a rotatable sputum suction tube

technical field

The invention relates to the technical field of medical devices, in particular to a medical hand-held sputum suction device with a rotatable sputum suction tube.

Background technique

How to suck phlegm more effectively and comfortably has always been the concern of scholars at home and abroad. After the establishment of artificial airway, the epiglottis loses its function, the cough reflex is weakened, and the ability to expectorate is lost. Therefore, suction has become an important method to clear airway secretions. Improper suction methods can cause a variety of adverse consequences, such as airway mucosal damage, atelectasis, bronchospasm, hypoxemia, infection, hemodynamic changes, arrhythmias, artificial airway obstruction and other complications. The artificial airway suction device currently used in clinical practice can suck out most of the airway secretions, but it cannot completely remove the secretions adhering to the inner wall of the tracheal tube and prevent the formation of biofilm, and it is difficult to prevent the occurrence of ventilator-associated pneumonia. occur.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the shortcomings existing in the prior art, and to provide a medical hand-held sputum suction device with a rotatable sputum suction tube. Clear the phlegm adhered to the inner wall of the respiratory tract, and has a better suction effect.

In order to solve the above technical problems, the present invention provides a technical solution as follows: a medical hand-held sputum suction device with a rotatable sputum suction tube, comprising a sputum suction assembly and a suction assembly that can be docked together;

The sputum suction assembly includes a main cylinder, a sputum suction tube, a sputum discharge tube and a linkage block. The main cylinder consists of an outer cylinder and an inner cylinder, and the inner cylinder is a cylinder with a closed head and an open tail. The tail end of the inner cylinder can be rotatably passed through the outer cylinder, the head end of the inner cylinder extends out of the outer cylinder, and the tail end of the suction tube extends into the inner cylinder from the head end of the inner cylinder. The head end of the sputum tube is provided with a main suction head, and the side wall of the head end of the sputum tube is provided with a side suction head. The lower end of the phlegm-extracting tube has an interface that can be connected to a sputum-collecting bottle, and the interior of the inner cylinder is located above the upper port of the sputum-extracting tube with an inclined sputum guide plate, and the upper side wall of the outer cylinder is There is an avoidance hole that can expose part of the inner cylinder, the lower part of the linkage block is placed in the avoidance hole, the upper part of the linkage block is set out of the avoidance hole, and the linkage block is arranged perpendicular to the axis direction of the inner cylinder, and the The lower end surface is provided with a rack, the outer wall of the exposed part of the inner cylinder is provided with a transmission tooth that meshes with the rack, the two ends of the linkage block along the length direction are respectively connected with the outer cylinder through springs, and the upper part of the linkage block is along the A rectangular through hole is arranged in the length direction, and the rectangular through hole is arranged off-center;

The suction assembly includes a secondary cylinder, a linkage rod, a micro suction pump and a battery assembly. The secondary cylinder is a cylinder with both ends closed. The interior of the secondary cylinder is divided into two chambers by a partition plate. The pump is arranged in the chamber near the head end, the battery assembly is arranged in the chamber near the rear end, and the center of the head end plate of the sub-cylinder is provided with a suction hole, and the suction port of the micro suction pump is connected with the suction hole through a pipeline, and the micro suction The exhaust pipe of the suction pump protrudes from the side wall of the auxiliary cylinder, the linkage rod is arranged above the auxiliary cylinder, the head end of the linkage rod has an inclined surface, and the tail end of the linkage rod is pressed against the tail of the auxiliary cylinder. The cover is connected, and a spring is arranged between the pressing cover and the auxiliary cylinder. After the suction assembly and the suction assembly are butted, the head end of the linkage rod is placed at the rectangular through hole of the linkage block. Under the extrusion action of the inclined surface of the head end, the linkage block will move to one side. When the linkage rod moves backward, the extrusion force of the linkage rod is lost, and the linkage block returns to its original position under the action of the springs on both sides.

As a further optimization of the medical hand-held sputum suction device with a rotatable sputum suction tube of the present invention: the micro suction pump is a suction pump with adjustable power, and the adjustment control button of the suction pump is arranged on the outer wall of the auxiliary cylinder. .

As a further optimization of a medical hand-held sputum suction device with a rotatable sputum suction tube of the present invention: the micro suction pump is a suction pump with constant power, and the suction assembly further comprises a The suction force adjustment element includes a middle partition plate, a sealing baffle, a transmission gear and an adjustment ring, the middle partition plate is arranged at the front end of the chamber, a ventilation hole is arranged at the center of the central partition plate, and the sealing baffle It is sandwiched between the middle partition plate and the end plate of the head of the auxiliary cylinder. The sealing baffle can move along the radial direction of the auxiliary cylinder to partially cover the air extraction hole and the ventilation hole. The sealing baffle is set at one end perpendicular to the displacement direction. There are transmission teeth, the sealing baffle is connected with the transmission gear arranged on one side through the transmission teeth, and a part of the transmission gear is set out of the side wall of the auxiliary cylinder body, the adjustment ring is sleeved outside the auxiliary cylinder body, and the adjustment ring corresponds to The inner wall of the transmission gear is provided with transmission teeth that mesh with the transmission gear.

As a further optimization of the medical hand-held sputum suction device with a rotatable sputum suction tube of the present invention, the upper side wall of the auxiliary cylinder body is also provided with a plurality of supports for supporting the linkage rod along its length direction.

As a further optimization of the medical hand-held sputum suction device with a rotatable sputum suction tube of the present invention: the battery assembly includes a lithium battery pack and a control switch, the lithium battery pack is electrically connected to the micro suction pump, and the control switch is arranged on the auxiliary cylinder body on the outer wall.

As a further optimization of the medical hand-held sputum suction device with a rotatable sputum suction tube of the present invention, a one-way suction valve is arranged on the pipeline between the suction port and the suction hole of the micro suction pump.

As a further optimization of a medical hand-held sputum suction device with a rotatable sputum suction tube of the present invention, the suction force adjustment element includes two sealing baffles, which are respectively arranged on both sides of the suction hole.

beneficial effect

1. The hand-held sputum suction device of the present invention can easily adjust the suction strength. By turning the adjusting ring, the sealing baffle is driven to move, thereby changing the size of the suction hole, and finally realizing the function of adjusting the suction strength.

2. The hand-held sputum suction device of the present invention has a rotatable sputum suction tube, which is convenient for removing the sticky sputum on the inner wall of the airway. The reciprocating rotation of the side suction head of the head can easily peel off the sputum adhering to the inner wall of the airway and suck it away smoothly, and the suction effect is better.

Description of drawings

Fig. 1 is the external structure schematic diagram of the hand-held sputum suction device of the present invention;

Fig. 2 is the internal structure schematic diagram of the hand-held sputum suction device of the present invention;

Fig. 3 is the structural representation of the sputum suction assembly in the hand-held sputum suction device of the present invention;

4 is a schematic structural diagram of a suction assembly in the hand-held sputum suction device of the present invention;

5 is a schematic structural diagram of the initial state of the suction force adjustment assembly in the hand-held sputum suction device of the present invention;

6 is a schematic structural diagram of a state in which the suction force adjustment component in the hand-held sputum suction device of the present invention increases the suction force;

7 is a schematic structural diagram of the initial state of the control assembly in the hand-held sputum suction device of the present invention;

8 is a schematic structural diagram of the displacement state of the control assembly in the hand-held sputum suction device of the present invention;

9 is a schematic diagram of the initial state of the connection between the linkage block and the linkage rod in the hand-held sputum suction device of the present invention;

10 is a schematic diagram of the displacement state of the connection relationship between the linkage block and the linkage rod in the hand-held sputum suction device of the present invention;

Labels in the figure: 1. Suction assembly, 2. Suction assembly, 101, Main cylinder, 1011, Outer cylinder, 1012, Inner cylinder, 102, Suction tube, 1021, Main suction head, 1022, side Suction head, 103, expectoration tube, 104, linkage block, 1041, rectangular through hole, 105, sputum collecting bottle, 106, sputum guide plate, 201, auxiliary cylinder, 2011, air suction hole, 202, linkage rod, 203 , Micro suction pump, 204, Battery assembly, 205, Isolation plate, 206, Press cover, 207, Intermediate partition plate, 208, Sealing baffle, 209, Transmission gear, 210, Adjustment ring, 211, Air vent, 212, support.

Detailed ways

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.

Example 1

As shown in the figure: a medical hand-held sputum suction device with a rotatable sputum suction tube, comprising a sputum suction assembly 1 and a suction assembly 2 that can be docked together, and the sputum suction assembly 1 and the suction assembly 2 are connected in a detachable manner together, dock them when needed. When not in use, the two are separated, and the sputum suction assembly 1 is cleaned separately, which is convenient to use, easy to store and carry.

The main function of the sputum suction assembly 1 is to suck sputum and store sputum. The suction assembly 1 includes a main cylinder 101, a suction pipe 102, a sputum discharge pipe 103 and a linkage block 104. The main cylinder 101 is composed of an outer cylinder 1011 and an inner cylinder 1012, and the inner cylinder 1012 is closed at the head end. , a cylinder with an open end, the tail end of the inner cylinder 1012 can be rotatably passed through the outer cylinder 1011, the head end of the inner cylinder 1012 extends out of the outer cylinder 1011, and the tail end of the suction tube 102 is provided by The head end of the inner cylinder body 1012 extends into the inner cylinder body 1012, the head end of the suction tube 102 is provided with a main suction head 1021, the side wall of the head end of the suction tube 102 is provided with a side suction head 1022, and the main suction head is provided with a side suction head 1022. Both the 1021 and the side suction head 1022 are hemispherical cover bodies, and the cover body is provided with a suction port, and the side suction head slides on the inner wall of the respiratory tract to remove the sputum adhering to the inner wall. The phlegm tube 103 is arranged at the position near the tail of the main cylinder 101, the upper end of the phlegm tube 103 passes through the outer cylinder 1011 and the inner cylinder 1012 in turn, and the lower end of the phlegm tube 103 has an interface that can be connected to the sputum collecting bottle 105, In addition, an inclined sputum guide plate 106 is arranged inside the inner cylinder 1012 above the upper port of the sputum suction tube 103, and the sputum sucked by the sputum suction tube will enter the inner cylinder and flow into the sputum collecting bottle under the guidance of the sputum guide plate. The upper side wall of the outer cylinder 1011 is provided with an avoidance hole 1013 which can partially expose the inner cylinder 1012, the lower part of the linkage block 104 is placed in the avoidance hole 1013, and the upper part of the linkage block 104 protrudes from the avoidance hole 1013, and the linkage The block 104 is arranged perpendicular to the axial direction of the inner cylinder 1012, the lower end surface of the linkage block 104 is provided with a rack, the outer wall of the exposed part of the inner cylinder 1012 is provided with a transmission tooth that meshes with the rack, and the linkage block 104 is arranged along the length direction. The two ends of the link block 104 are respectively connected with the outer cylinder 1011 by springs, the upper part of the linkage block 104 is provided with a rectangular through hole 1041 along its length direction, and the rectangular through hole 1041 is set off-center;

The main function of the suction assembly 2 is to provide the negative pressure required for suction, that is, to perform suction. The suction assembly 2 includes a secondary cylinder 201, a linkage rod 202, a micro suction pump 203 and a battery assembly 204. The secondary cylinder 201 It is a cylinder closed at both ends. The head end of the auxiliary cylinder 201 can be butted with the tail end of the outer cylinder 1011 in the sputum suction assembly 1, and the docking method can adopt the structure method that can realize the connection and separation of the two parts in the prior art, for example: in the outer cylinder The rear end of the body 1011 is provided with two slots, the head end of the secondary cylinder 201 is provided with two inserts that can be inserted into the slots, the outer cylinder 1011 and the outer wall of the secondary cylinder 201 are provided with locks, and the two are butted together. After that, it is locked by the lock. In order to ensure the airtightness after the butt joint, a sealing ring can also be set on the end face of the butt joint. The interior of the sub-cylinder 201 is divided into two chambers by the isolation plate 205, the micro-suction pump 203 is arranged in the chamber near the head end, the battery assembly 204 is arranged in the chamber near the rear end, and the head end plate of the sub-cylinder 201 A suction hole 2011 is provided in the center, and the suction port of the micro suction pump 203 is connected with the suction hole 2011 through a pipeline. In the case of sucking back after the pump 203 is stopped, a one-way suction valve may also be provided on the pipeline between the suction port of the micro suction pump 203 and the suction hole 2011 . The battery assembly 204 includes a lithium battery pack and a control switch. The lithium battery pack is electrically connected to the micro suction pump 203 , and the control switch is arranged on the outer wall of the sub-cylinder body 201 . The linkage rod 202 is arranged above the sub-cylinder body 201, and the upper side wall of the sub-cylinder body 201 is also provided with a plurality of supports 212 along its length direction for supporting the linkage rod 202. The head end of the linkage rod 202 has an inclined surface, The tail end of the linkage rod 202 is connected to the pressing cover 206 at the rear of the auxiliary cylinder 201. A spring is arranged between the pressing cover 206 and the auxiliary cylinder 201. After the suction assembly 1 and the suction assembly 2 are connected, the head of the linkage rod 202 The end is placed at the rectangular through hole 1041 of the linkage block 104. When the linkage rod 202 moves forward, the linkage block 104 will move to one side under the pressing action of the inclined surface of its head end. When the linkage rod 202 moves backward, When the pressing force of the linkage rod 202 is lost, the linkage block 104 returns to its original position under the action of the springs on both sides.

Example 2

The structure of the medical hand-held sputum suction device of this embodiment is basically the same as that of Embodiment 1, except that the micro suction pump 203 is a suction pump with adjustable power, and the adjustment control button of the suction pump is arranged on the auxiliary cylinder 201 on the outer wall.

Example 3

The structure of the medical hand-held sputum suction device of this embodiment is basically the same as that of the first embodiment, the difference is that: the micro suction pump 203 is a suction pump of constant power, and the suction assembly 2 also includes a suction pump arranged on the auxiliary cylinder 201 near the head The suction force adjustment element in the chamber at the end of the pump is used to adjust the flow rate of the suction air flow. Under the condition that the power of the micro suction pump 203 remains unchanged, the size of the suction port can be changed to achieve the adjustment. The purpose of the suction air flow rate. The suction force adjustment element includes a middle partition plate 207, two sealing baffles 208, two transmission gears 209 and an adjustment ring 210. The middle partition plate 207 is arranged at the front end of the chamber, and a vent hole 211 is arranged at the center of the central partition plate. , the sealing baffle 208 is sandwiched between the middle partition plate 207 and the head end plate of the auxiliary cylinder 201, the two sealing baffles 208 are respectively arranged on both sides of the air extraction hole 2011, and the sealing baffle 208 can be along the auxiliary cylinder 201. The radial movement of the sealing plate 208 to partially cover the air extraction hole 2011 and the ventilation hole 211, one end of the sealing baffle 208 perpendicular to the displacement direction is provided with a transmission tooth, and the sealing baffle 208 is driven by the transmission tooth and the transmission gear 209 arranged on one side thereof. connected, a part of the transmission gear 209 protrudes from the side wall of the auxiliary cylinder 201, the adjusting ring 210 is sleeved on the outside of the auxiliary cylinder 201, and the inner wall of the adjusting ring 210 corresponding to the transmission gear 209 is provided with a meshing with the transmission gear 209. drive teeth. The structural principle of the suction force adjustment element is: by rotating the adjustment ring, the transmission gear will be driven to rotate, and the rotation of the transmission gear will eventually be converted into a linear motion of the sealing baffle. Air holes, for the purpose of changing the size of the air holes.

The use method of the hand-held sputum suction device of the present invention is as follows: first, the sputum suction assembly and the suction assembly are butted together, then a sputum collecting bottle is installed, the micro suction pump is started, and then the sputum suction tube is inserted into the artificial airway for sputum suction Operation, during the suction process, if the suction effect is not satisfactory, you can adjust the flow rate of the suction air by rotating the adjustment ring to increase the suction strength. At the same time, during the suction process, you can press the cover repeatedly with your fingers to make the suction tube rotate. After sputum suction is completed, remove the sputum collecting bottle and dispose of it properly, separate the sputum suction assembly from the suction assembly, and clean the sputum suction assembly.

The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. The technical personnel, within the scope of the technical solution of the present invention, can make some changes or modifications by using the technical content disclosed above to be equivalent embodiments of equivalent changes, provided that they do not depart from the technical solution content of the present invention, according to the technical solution of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (4)

1. The utility model provides a rotatory medical handheld sputum aspirator of phlegm suction tube which characterized in that: comprises a sputum suction assembly (1) and a suction assembly (2) which can be butted together;

the sputum suction assembly (1) comprises a main cylinder body (101), a sputum suction pipe (102), a sputum discharging pipe (103) and a linkage block (104), wherein the main cylinder body (101) consists of an outer cylinder body (1011) and an inner cylinder body (1012), the inner cylinder body (1012) is a cylinder body with a closed head end and an open tail end, the tail end of the inner cylinder body (1012) can rotatably penetrate through the outer cylinder body (1011), the head end of the inner cylinder body (1012) extends out of the outer cylinder body (1011), the tail end of the sputum suction pipe (102) extends into the inner cylinder body (1012) from the head end of the inner cylinder body (1012), the head end of the sputum suction pipe (102) is provided with a main sputum suction head (1021), the side wall of the head end of the sputum suction pipe (102) is provided with a side sputum suction head (1022), the sputum discharging pipe (103) is arranged at a position close to the tail end of the main cylinder body (101), the upper end of the sputum discharging pipe (103) sequentially penetrates through the outer cylinder body (1011) and the inner cylinder body (1012), and the lower end of the sputum discharging, an inclined phlegm guide plate (106) is arranged above an upper port of the phlegm discharging pipe (103) in the inner cylinder body (1012), an avoiding hole (1013) capable of exposing part of the inner cylinder body (1012) is formed in the side wall of the upper part of the outer cylinder body (1011), the lower part of the linkage block (104) is arranged in the avoiding hole (1013), the upper part of the linkage block (104) extends out of the avoiding hole (1013), the linkage block (104) is arranged perpendicular to the axial direction of the inner cylinder body (1012), a rack is arranged on the lower end face of the linkage block (104), transmission teeth meshed with the rack are arranged on the outer wall of the exposed part of the inner cylinder body (1012), two ends of the linkage block (104) in the length direction are respectively connected with the outer cylinder body (1011) through springs, a rectangular through hole (1041) is formed in the upper part of the linkage block (104) in the length direction, and the rectangular through hole (1041) is arranged in a way of deviating from the center;

the suction assembly (2) comprises an auxiliary barrel body (201), a linkage rod (202), a miniature suction pump (203) and a battery assembly (204), the auxiliary barrel body (201) is a barrel body with two closed ends, the interior of the auxiliary barrel body (201) is divided into two chambers through a partition plate (205), the miniature suction pump (203) is arranged in the chamber close to the head end, the battery assembly (204) is arranged in the chamber close to the tail end, an extraction hole (2011) is arranged at the center of a head end plate of the auxiliary barrel body (201), an extraction opening of the miniature suction pump (203) is connected with the extraction hole (2011) through a pipeline, an exhaust pipe of the miniature suction pump (203) extends out of the side wall of the auxiliary barrel body (201), the linkage rod (202) is arranged above the auxiliary barrel body (201), the head end of the pressing rod (202) is provided with an inclined surface, the tail end of the linkage rod (202) is connected with a cover (206) at the tail of the auxiliary, a spring is arranged between the pressing cover (206) and the auxiliary barrel body (201), when the sputum suction assembly (1) is in butt joint with the suction assembly (2), the head end of the linkage rod (202) is arranged at the rectangular through hole (1041) of the linkage block (104), when the linkage rod (202) moves forwards, the linkage block (104) can move to one side under the extrusion effect of the inclined surface of the head end, when the linkage rod (202) moves backwards, the extrusion force of the linkage rod (202) is lost, and the linkage block (104) restores to the original position under the action of the springs at two sides;

the miniature suction pump (203) is a suction pump with constant power, the suction assembly (2) further comprises a suction force adjusting element arranged in a cavity of the auxiliary cylinder body (201) close to the head end, the suction force adjusting element comprises a middle partition plate (207), two sealing baffle plates (208), a transmission gear (209) and an adjusting ring (210), the middle partition plate (207) is arranged at the front end of the cavity, a vent hole (211) is formed in the center of the center partition plate, the sealing baffle plates (208) are clamped between the middle partition plate (207) and the head end plate of the auxiliary cylinder body (201), the two sealing baffle plates (208) are respectively arranged on two sides of the air suction hole (2011), the sealing baffle plates (208) can move along the radial direction of the auxiliary cylinder body (201) to partially shield the air suction hole (2011) and the vent hole (211), a transmission tooth is arranged at one end, perpendicular to the displacement direction, of the sealing baffle plates (208) is in transmission connection with the transmission gear (209) arranged on one side of the, one part of the transmission gear (209) extends out of the side wall of the auxiliary barrel (201), the adjusting ring (210) is sleeved outside the auxiliary barrel (201), and transmission teeth meshed with the transmission gear (209) are arranged on the inner wall of the adjusting ring (210) corresponding to the transmission gear (209).

2. The rotatable medical handheld sputum aspirator of claim 1, wherein: the upper side wall of the auxiliary cylinder body (201) is also provided with a plurality of supports (212) for supporting the linkage rods (202) along the length direction.

3. The rotatable medical handheld sputum aspirator of claim 1, wherein: the battery pack (204) comprises a lithium battery pack and a control switch, the lithium battery pack is electrically connected with the micro suction pump (203), and the control switch is arranged on the outer wall of the auxiliary cylinder body (201).

4. The rotatable medical handheld sputum aspirator of claim 1, wherein: a one-way air extraction valve is arranged on a pipeline between an air extraction opening of the micro suction pump (203) and the air extraction hole (2011).

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