CN111481757A

CN111481757A - Sputum suction device capable of intermittently sucking sputum and avoiding liquid backflow based on pressure change

Info

Publication number: CN111481757A
Application number: CN202010425354.6A
Authority: CN
Inventors: 梁瑞倚
Original assignee: Suzhou Jiuxie Medical Information Consulting Co ltd
Current assignee: Suzhou Jiuxie Medical Information Consulting Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-08-04

Abstract

The invention relates to the technical field of medical treatment, and discloses a sputum suction device for intermittently sucking sputum and avoiding backflow of liquid based on pressure change, which comprises a shell, wherein a liquid storage bottle is movably connected inside the shell and is used for uniformly collecting the sucked sputum, a sputum suction pipe is movably connected to the outer side of the liquid storage bottle, the sputum suction device can intermittently suck the sputum by matching a piston, a vertical rod, a first connecting rod, a second connecting rod, a rotary disc, the liquid storage bottle, a fan-shaped disc and a second rotary rod, the time of each negative pressure is ensured to be consistent, the discomfort of a patient is avoided being in a negative pressure state for a long time, the linkage of subsequent steps is linked, the linkage of the whole device is improved, the operation is simpler, the backflow of the liquid in the sputum suction pipe is avoided by matching the sputum suction pipe and a shielding film, reduces the potential safety hazard and simultaneously avoids the infection caused by the overflow of sputum during sputum suction.

Description

Sputum suction device capable of intermittently sucking sputum and avoiding liquid backflow based on pressure change

Technical Field

The invention relates to the technical field of medical treatment, in particular to a sputum suction device capable of intermittently sucking sputum based on pressure change and avoiding liquid backflow.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents, calibrators, materials and other similar or related articles which are directly or indirectly used for human bodies, and has very important significance for diagnosis, monitoring, treatment and the like of diseases.

In the clinical nursing process, many patients can not expectorate by themselves, artificial assistance is needed to inhale sputum to keep the respiratory tract unblocked, wherein the sputum aspirating technology is one of important operation technologies in clinical medical treatment, the clinical problems of removing sputum blocking the airway, collecting sputum sample for inspection, avoiding infection caused by accumulation of sputum and promoting the respiratory tract to be unblocked can be solved, the traditional sputum aspirator mainly comprises an electric multifunctional negative pressure sputum aspirator and a simple manual sputum aspirator at present, the negative pressure sputum aspirator mainly utilizes the change of pressure intensity for sputum aspirating, the traditional negative pressure sputum aspirator is always in a high negative pressure state after being opened, the sputum aspirator is still in the same state when the sputum aspirating operation is carried out, the respiratory tract of the patient is in a negative pressure state for a long time, the discomfort of the patient can be increased due to long-time operation, the traditional sputum aspirator is not provided with an anti-backflow function, the backflow of the sputum can exist in the sputum aspirating process, inconvenience is brought to the sputum aspiration process, and further infection of sputum is increased.

In order to solve the above problems, the inventor provides a sputum aspirator which intermittently aspirates sputum based on pressure variation and avoids liquid backflow, has the advantages of intermittently aspirating sputum and preventing the backflow of the sputum, solves the problem that the function of the traditional sputum aspirator is simpler, and ensures more intelligence and safety when the aspirator is used for operation.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purposes of intermittently sucking sputum and preventing sputum backflow, the invention provides the following technical scheme: a sputum suction device capable of intermittently sucking sputum based on pressure change and avoiding liquid backflow comprises a shell, wherein a liquid storage bottle is movably connected inside the shell, the sputum sucked is uniformly collected and is prevented from being polluted, a sputum suction pipe is movably connected outside the liquid storage bottle and is movably connected with a special sputum suction nozzle, so that sputum suction is completed, a piston is movably connected inside the liquid storage bottle, negative pressure is formed by movement of the piston, so that sputum suction is performed by pressure change, a vertical rod is movably connected below the piston, the piston is driven to synchronously move up and down when the vertical rod moves, a first connecting rod is movably connected below the vertical rod and is connected with the vertical rod, a second connecting rod is movably connected to one side of the first connecting rod, which is far away from the vertical rod, a rotary disc is movably connected outside the second connecting rod, a pinion is movably connected to the back of the rotary disc, and a fan-shaped disc is movably, the inside swing joint of sector disc has first bull stick, and one side swing joint that sector disc was kept away from to first bull stick has the second bull stick, inhales the inside swing joint of phlegm pipe and has the shielding film, and the outside swing joint of shielding film has the ratchet, and the inside swing joint of ratchet has the runner.

Preferably, the number of the shielding films is not less than seven, the specifications of each shielding film are consistent, and the shielding films are matched with the size of the sputum suction tube.

Preferably, the outer side of the rotating wheel is movably connected with a stop block, and the size of the stop block is matched with the size of the ratchet arranged in the ratchet wheel.

Preferably, the sliding groove is formed in the sector disc, the size of the sliding groove is matched with that of the first rotating rod, teeth are movably connected to the outer side of the sector disc, and the size of the teeth is matched with that of the pinion.

Preferably, the vertical rod is located at the center of the piston, and the size of the piston is matched with that of the liquid storage bottle.

Preferably, the pinion is movably connected with the turntable through a rotating shaft, and a handle is fixedly connected above the shell.

Preferably, through stopper swing joint between montant and the head rod, and the outside fixedly connected with fixed plate of stopper, the size of this fixed plate and the mutual adaptation of size of stopper.

(II) advantageous effects

Compared with the prior art, the invention provides a sputum suction device capable of intermittently sucking sputum based on pressure change and avoiding liquid backflow, and the sputum suction device has the following beneficial effects:

1. this inhale phlegm device based on phlegm and avoid liquid backward flow is inhaled to pressure variation intermittent type nature is used through the cooperation of piston, montant, head rod, second connecting rod, carousel, stock solution bottle, sector disc and second bull stick for phlegm is inhaled to intermittent type nature, and guarantees that the time of negative pressure keeps unanimous at every turn, avoids being in negative pressure state for a long time and increases patient's discomfort.

2. This sputum suction device based on sputum is inhaled to pressure variation intermittent type nature and avoids liquid backward flow uses through the cooperation that pinion, sector disc, first bull stick and second bull stick sent out, and going on of follow-up step of linkage increases the linkage nature of whole device for the operation is simpler.

3. This inhale phlegm device based on pressure variation intermittent type nature is inhaled phlegm and is avoided liquid backward flow, uses through the cooperation of inhaling phlegm pipe and shielding film, avoids inhaling the liquid backward flow in the phlegm pipe, reduces the potential safety hazard, and the sputum when avoiding inhaling the phlegm simultaneously is excessive, causes the infection.

Drawings

FIG. 1 is a schematic view of the structural connection of the present invention;

FIG. 2 is a schematic view of the connection structure of the piston, the vertical rod, the first connecting rod, the second connecting rod, the rotary plate, the liquid storage bottle, the sector plate and the second rotary rod according to the present invention; at the moment, all the structures are in the original state;

FIG. 3 is a diagram showing the movement traces of the structures shown in FIG. 2, wherein the turntable moves to drive the pistons to move synchronously;

FIG. 4 is a schematic view of the connection structure of the pinion, the sector plate, the first rotating rod and the second rotating rod of the present invention;

FIG. 5 is a schematic view of the connection structure of the sputum-aspirating tube and the shielding film according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5A according to the present invention.

In the figure: 1. a housing; 2. a liquid storage bottle; 3. a sputum suction tube; 4. a piston; 5. a vertical rod; 6. a first connecting rod; 7. a second connecting rod; 8. a turntable; 9. a pinion gear; 10. a sector disc; 11. a first rotating lever; 12. a second rotating rod; 13. a shielding film; 14. a ratchet wheel; 15. a rotating wheel.

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Please refer to fig. 1-6, a sputum suction apparatus for intermittently sucking sputum and avoiding liquid backflow based on pressure variation, comprising a housing 1, a handle fixedly connected to the upper portion of the housing 1, a liquid storage bottle 2 movably connected to the inside of the housing 1 for conveniently taking and placing the sputum, a sputum suction tube 3 movably connected to the outside of the liquid storage bottle 2 and movably connected to a dedicated sputum suction nozzle for sucking sputum, a piston 4 movably connected to the inside of the liquid storage bottle 2 and forming a negative pressure by the movement of the piston 4, thereby sucking sputum by the variation of pressure, a vertical rod 5 movably connected to the lower portion of the piston 4, a fixing plate movably connected to the vertical rod 5 and a first connecting rod 6 by a limiting block, and a fixing plate fixedly connected to the outside of the limiting block, the size of the fixing plate being adapted to the size of the limiting block, so that the limiting block can move along the fixing plate, thereby it is spacing to carry out, avoid the position to take place the skew, montant 5 is located piston 4's central position, and the mutual adaptation of size of piston 4 and stock solution bottle 2, pulling piston 4 reciprocates along stock solution bottle 2 in step when utilizing montant 5 to remove, the below swing joint of montant 5 has head rod 6, connect montant 5, one side swing joint that montant 5 was kept away from to head rod 6 has second connecting rod 7, the outside swing joint of second connecting rod 7 has carousel 8, back swing joint when carousel 8 has pinion 9, through pivot swing joint between pinion 9 and the carousel 8, thereby make and to drive carousel 8 synchronous revolution when pinion 9 is rotatory, finally drive piston 4's removal.

The outer side of the pinion 9 is movably connected with a sector disc 10, the inner part of the sector disc 10 is provided with a sliding chute, the size of the sliding chute is matched with the size of the first rotating rod 11, the outer side of the sector disc 10 is movably connected with teeth, the size of the teeth is matched with the size of the pinion 9, the second rotating rod 12 can move along the sliding chute in the sector disc 10 so as to drive the sector disc 10 to rotate, the teeth are driven to move, the pinion 9 is driven to rotate intermittently, the first rotating rod 11 is movably connected with the inner part of the sector disc 10, one side, far away from the sector disc 10, of the first rotating rod 11 is movably connected with the second rotating rod 12, the inner part of the sputum suction tube 3 is movably connected with a shielding film 13, the inner part of the sputum suction tube 3 is movably connected with the shielding film 13, the shielding film 13 is provided with at least seven groups, the specification of each shielding film 13 is consistent, and is matched with the size of the sputum suction tube 3, so that the sputum in the, avoid the sputum backward flow, the outside swing joint of barrier film 13 has ratchet 14, the inside of ratchet 14 is provided with partial ratchet, the inside swing joint of ratchet 14 has runner 15, the outside swing joint of runner 15 has the dog, and the size of this dog and the inside ratchet size mutual adaptation that sets up of ratchet 14, make and drive runner 15 can only unidirectional rotation, thereby it can two directions rotation to drive barrier film 13, nevertheless stop when clockwise rotation is to being close to the ratchet promptly and continue to rotate, thereby make barrier film 13 keep the closed condition.

The working principle is that when the sputum aspirator is needed, the tail end of the sputum suction pipe 3 is connected with a sputum suction nozzle and extends into the oral cavity to be sucked, the output shaft of the motor is movably connected with the second rotating rod 12 to drive the second rotating rod 12 to rotate, the outer side of the second rotating rod 12 is movably connected with the first rotating rod 11 to drive the first rotating rod 11 to synchronously rotate, the first rotating rod 11 is positioned in a sliding groove formed in the surface of the sector disc 10, so that the first rotating rod 11 can move along the sliding groove to drive the sector disc 10 to clockwise and anticlockwise swing, the outer side of the sector disc 10 is movably connected with teeth, when the teeth rotate, the teeth can be driven to swing along the outer side of the sector disc 10 and stop moving when the teeth swing to a certain position, the teeth continue swinging subsequently, and the teeth are matched with the size of the pinion 9, and finally the pinion 9 and anticlockwise intermittently rotate, through pivot swing joint between pinion 9 and the carousel 8, the event can drive the synchronous clockwise and anticlockwise intermittent type nature rotation of carousel 8, when carousel 8 clockwise turning, can stimulate second connecting rod 7, one side swing joint that carousel 8 was kept away from to second connecting rod 7 has head rod 6, the event can drive head rod 6 and move down in step, final pulling montant 5 moves down, the top swing joint of montant 5 has piston 4, thereby stimulate piston 4 and move down, make the pressure increase of stock solution bottle 2.

The above structure and process are shown in FIGS. 2-3.

Meanwhile, when the piston 4 moves downwards, the pressure in the sputum suction tube 3 is increased, the shielding film 13 is driven to swing anticlockwise, so that the sputum suction tube 3 is opened, sputum is uniformly collected in the liquid storage bottle 2 along the sputum suction tube 3 from the throat of a patient, when the pinion 9 drives the rotary disc 8 to swing anticlockwise, the second connecting rod 7 and the first connecting rod 6 are driven to swing synchronously, and finally the vertical rod 5 is driven to move upwards, so that the piston 4 is driven to move upwards, the shielding film 13 swings clockwise synchronously, because the other end of the shielding film 13 is movably connected with the rotary wheel 15, and the outside of the rotary wheel 15 is provided with a stop block, when the stop block rotates to be in mutual contact with the ratchets on the outside of the ratchet wheel 14, the stop block cannot swing, so that the shielding film 13 is restored to the original position, the sputum suction tube 3 is closed again, and the aim of preventing backflow is finally achieved.

Please refer to fig. 4-5 for the above structure and process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sputum suction device based on pressure variation intermittent type nature is inhaled phlegm and is avoided liquid backward flow, includes shell (1), its characterized in that: the sputum suction device is characterized in that a liquid storage bottle (2) is movably connected inside the shell (1), a sputum suction pipe (3) is movably connected outside the liquid storage bottle (2), a piston (4) is movably connected inside the liquid storage bottle (2), a vertical rod (5) is movably connected at the lower end of the piston (4), a first connecting rod (6) is movably connected below the vertical rod (5), a second connecting rod (7) is movably connected to one side, away from the vertical rod (5), of the first connecting rod (6), a rotating disc (8) is movably connected outside the second connecting rod (7), a small gear (9) is movably connected to the back of the rotating disc (8), a sector disc (10) is movably connected outside the small gear (9), a first rotating rod (11) is movably connected inside the sector disc (10), a second rotating rod (12) is movably connected to one side, away from the sector disc (10), a shielding film (13) is movably connected inside the sputum suction pipe (3), the interior of the sputum suction tube (3) is movably connected with a shielding film (13), the outer side of the shielding film (13) is movably connected with a ratchet wheel (14), and the interior of the ratchet wheel (14) is movably connected with a rotating wheel (15).

2. The sputum aspirator of claim 1, wherein the sputum aspirator comprises: at least seven groups of shielding films (13) are arranged, the specifications of each shielding film (13) are consistent, and the shielding films are matched with the size of the sputum suction tube (3).

3. The sputum aspirator of claim 1, wherein the sputum aspirator comprises: the outer side of the rotating wheel (15) is movably connected with a stop block, and the size of the stop block is matched with the size of a ratchet arranged in the ratchet wheel (14).

4. The sputum aspirator of claim 1, wherein the sputum aspirator comprises: the sliding groove is formed in the sector disc (10), the size of the sliding groove is matched with that of the first rotating rod (11), teeth are movably connected to the outer side of the sector disc (10), and the size of the teeth is matched with that of the pinion (9).

5. The sputum aspirator of claim 1, wherein the sputum aspirator comprises: the vertical rod (5) is located in the center of the piston (4), and the size of the piston (4) is matched with that of the liquid storage bottle (2).

6. The sputum aspirator of claim 1, wherein the sputum aspirator comprises: the pinion (9) is movably connected with the turntable (8) through a rotating shaft, and a handle is fixedly connected above the shell (1).

7. The sputum aspirator of claim 1, wherein the sputum aspirator comprises: through stopper swing joint between montant (5) and head rod (6), and the outside fixedly connected with fixed plate of stopper, the size of this fixed plate and the mutual adaptation of size of stopper.