CN116570778B

CN116570778B - Self-help sputum aspirator

Info

Publication number: CN116570778B
Application number: CN202310496484.2A
Authority: CN
Inventors: 霍云云; 张小兰; 季衍丽; 张雅静
Original assignee: First Medical Center of PLA General Hospital
Current assignee: First Medical Center of PLA General Hospital
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2024-01-26
Anticipated expiration: 2043-05-05
Also published as: CN116570778A

Abstract

The invention provides a self-help sputum aspirator, belonging to the technical field of medical appliances; comprises a sputum aspirator body for providing pumping power; the operation frame body is used for being conveniently operated by a patient and is connected with the sputum aspirator body; the fixing frame body is used for being fixed with the arm of a patient, and the fixing frame body is connected with the sputum aspirator body. According to the invention, the material conveying component, the valve body and the collecting component are arranged, so that the sputum can be prevented from flowing reversely and blocking, psychological or physical discomfort of a patient is avoided, the backflow preventing unit and the containing component can be reused, meanwhile, the sputum aspirator can be prevented from being polluted by sputum, the suction and compression work is prevented from being influenced, the arm of the patient can be placed on a bed by the cooperation of the operation frame body and the fixing frame body, the operation is carried out by the hand of the patient, the operation is simple and convenient, the operation is easy, and the operation is convenient at any time by fixing the sputum aspirator with the patient.

Description

Self-help sputum aspirator

Technical Field

The invention relates to the technical field of medical appliances, in particular to a self-help sputum aspirator.

Background

The sputum aspirator is mainly an electric multifunctional negative pressure sputum aspirator and a simple manual sputum aspirator, the electric multifunctional negative pressure sputum aspirator has large volume and heavy weight, adopts electric force, is inconvenient to carry and is generally used indoors, the simple manual sputum aspirator has the characteristics of no power supply, small volume, light weight, large attractive force, compact structure, convenient carrying, low cost, firmness and durability and the like, can be applied to sputum aspiration rescue in places such as transportation, hospitals, household places and the like, is generally divided into a pull type manual sputum aspirator and a hand-held type manual sputum aspirator and the like, is generally operated and implemented by medical staff when in use, but only can be processed regularly by the medical staff, and patients can not clear the sputum and feel difficult if the patients are clear in intention, the patient is required to operate by himself without stopping and shouting medical staff, however, the existing simple manual sputum aspirator is not practical, the existing simple manual sputum aspirator or the existing hand-held manual sputum aspirator is required to lift arms of the patient and enable fingers to face the patient, and the inverted handles are used for operation, so that the patient is troublesome to operate, meanwhile, the irreversible functions are not arranged at the sputum aspirator, in the actual operation process, if the patient is not operated or not driven, sputum can flow back along the sputum aspirator, psychological discomfort of the patient is caused, even the patient is choked, a certain injury is further caused, meanwhile, if the sputum concentration is high, the sputum aspirator is blocked, in addition, the blocking function is not arranged at the valve cylinder, the sputum can enter the pull rod cylinder along with the suction pressure, pollution is caused in the pull rod cylinder, and the suction pressure work is influenced, therefore, the application provides a self-help sputum aspirator to meet the demands.

Disclosure of Invention

The invention aims to solve the technical problems that the self-help sputum aspirator is provided to solve the problems that the existing simple manual sputum aspirator needs a patient to lift an arm, and the finger is operated towards the patient, and the handle is reversed to further cause the troublesome operation of the patient, meanwhile, the sputum aspirator is not provided with an irreversible function, and the reflux causes discomfort of the mind and the body of the patient, also causes pollution of a pull rod barrel and influences the execution of pumping work.

In order to solve the technical problems, the invention provides the following technical scheme:

a self-service sputum aspirator, comprising: the sputum aspirator body is used for providing pumping power; the operation frame body is used for being conveniently operated by a patient and is connected with the sputum aspirator body; the fixing frame body is used for being fixed with the arm of a patient and connected with the sputum aspirator body; the valve body is used for collecting phlegm for the first time and blocking the phlegm, and is connected with the sputum aspirator body; the collection assembly is used for collecting sputum and is connected with the valve body; the material conveying assembly is used for conveying phlegm and is connected with the valve body.

Preferably, the sputum aspirator body includes cavity, first installation tube, the second installation tube that is connected, be provided with the piston in the cavity, a lateral wall fixedly connected with pull rod of piston, the one end of pull rod runs through first installation tube.

Preferably, the operation frame body comprises a rotating connector fixedly connected to one end of the pull rod and a second handle fixedly sleeved on the first installation tube, a first handle is rotatably connected between two lugs of the rotating connector through a rotating rod, a fixing sleeve is fixedly sleeved on the first handle, and a tension spring is fixedly connected between the fixing sleeve and the second handle.

Preferably, the fixing frame body comprises a ferrule sleeved on the cavity, a connecting block is fixedly connected to the ferrule, a U-shaped clamping plate is fixedly connected to the bottom end of the connecting block, two weakening grooves are formed in the U-shaped clamping plate, the ferrule, the connecting block, the U-shaped clamping plate and the weakening grooves are of an integrated structure, and the U-shaped clamping plate is made of elastic materials.

Preferably, the valve body comprises a valve cavity which is in threaded connection with the second mounting pipe, a valve barrel which is communicated with the valve cavity is fixedly connected with the valve cavity, the caliber of one end port of the valve cavity is larger than that of the other end port of the valve barrel, the valve barrel is in a bent shape, an anti-reversion plate is fixedly connected in the valve cavity, the feeding end of the anti-reversion plate is in an inclined surface, and a filter screen which is obliquely arranged is fixedly connected with one side wall of the anti-reversion plate.

Preferably, the collecting assembly comprises a connecting branch pipe which is connected with one end of the valve cylinder in a threaded mode, and the other end of the connecting branch pipe is connected with a liquid storage assembly.

Preferably, the stock solution subassembly is including stock solution bottle and the feeding branch pipe that is connected, the feeding branch pipe pass through the external screw thread with connect branch pipe spiro union, be provided with the spacing groove on the feeding branch pipe, the joint has the stopper in the spacing groove, the bottom fixedly connected with first anti-reverse barrel of stopper.

Preferably, the material conveying assembly comprises a sputum suction pipe fixedly connected to the valve cavity, an anti-countercurrent unit is arranged in a cavity at the other end of the sputum suction pipe, the anti-countercurrent unit is provided with a containing assembly, the anti-countercurrent unit comprises a first cylinder body, a blocking cylinder, a second funnel and an adjusting frame body, the first cylinder body, the blocking cylinder and the second funnel are connected through the adjusting frame body, the first cylinder body comprises a first funnel and a limiting ring body which are connected, the limiting ring body is connected with the sputum suction pipe, the second funnel is attached to the inner wall of the sputum suction pipe, the outer diameter of the blocking cylinder is smaller than the inner diameter of the sputum suction pipe, the bottom end of the limiting ring body is provided with a first ring groove and a second ring groove, the adjusting frame body comprises a first adjusting unit, a second adjusting unit and a third adjusting unit which are connected, and the first adjusting unit, the second adjusting unit and the second funnel are connected.

Preferably, the first adjusting unit comprises a fixed disc fixedly sleeved on the first funnel, the bottom end of the fixed disc is fixedly connected with connecting struts distributed in a circumferential array, and the bottom ends of the connecting struts are fixedly connected with each other; the second adjusting unit comprises a fixed ball fixedly connected to the bottom end of the connecting support rod, the fixed ball is fixedly connected to a through hole formed in the top of the blocking cylinder, first elastic sheets distributed in a circumferential array are fixedly connected to the fixed ball, the outer side wall of each first elastic sheet is fixedly connected with the blocking cylinder and the inner side wall of the second funnel, the bottom end of each first elastic sheet is fixedly connected with a mounting sheet body, and the mounting sheet body is fixedly connected with the inner wall of the second funnel; the third adjusting unit comprises a positioning lantern ring fixedly sleeved on the connecting support rod, a weakening connecting piece is fixedly connected to the positioning lantern ring, a second elastic piece is fixedly connected to one end of the weakening connecting piece, the outer side wall of the second elastic piece is fixedly connected with the inner wall of the first funnel, and the bottom end of the second elastic piece is inserted into the first ring groove.

Preferably, the holding assembly comprises a heat conduction box body fixedly sleeved on the first funnel, the heat conduction box body is made of a heat conduction material, a sealing cover is clamped in the heat conduction box body, and the sealing cover is sleeved on the self-help sputum aspirator on the first funnel.

Compared with the prior art, the invention has at least the following beneficial effects:

in the above scheme, the material conveying component is mainly arranged, the valve body and the collecting component are assisted to be secondarily arranged, when the sputum suction device is used, the anti-reflux unit can be firstly installed in the second funnel to extrude the second funnel, the first elastic piece and the deformation in the second adjusting unit can be realized, the second funnel and the blocking barrel enter the port, after the sputum suction device enters the port, the second funnel is loosened, the rebound of the first elastic piece and the mounting sheet body can expand the second funnel, the sputum suction tube can be spread, the containing component and the first barrel body can enter the sputum suction tube by pushing the limiting ring body to move, the second elastic piece can deform, the first funnel can be further fastened, when the sputum suction tube enters the second ring groove, pushing is stopped, the first barrel body and the sputum suction tube are further fixed relatively, the sputum suction tube is further convenient to install and detach for multiple use, and then the anti-reflux unit is placed at the patient's position, and the sputum suction tube part enters the patient's mouth.

When a patient operates, the pull rod can be moved, the piston can be moved, the gas can be driven to flow, the sputum at the throat of the patient enters the first funnel through the limit ring body and then enters the sputum suction tube through the first funnel, in the process, the self-heating bag loaded in the heat conduction box body can heat the first funnel, heat can automatically heat the sputum, the heated sputum can be contacted with the outer wall of the blocking cylinder, the large port of the second funnel enters the valve cavity, finally the small port of the second funnel sucks out, the sucked sputum can enter the valve cavity, the valve cavity enters the anti-reverse plate, the connecting branch pipe and the first anti-reverse cylinder body further enter the liquid storage bottle finally to be collected, when the power of the pumping is insufficient or the pumping power is not driven, the sputum flows back through the sputum suction tube, the second funnel can block the sputum once, and if part of the sputum enters the second funnel, and then the sputum can enter the blocking cylinder to be collected if part of the sputum flows out through the large port of the second funnel, and if part of the sputum still flows into the outer wall, the sputum can be prevented from falling into the outer side of the blocking cylinder body, the heat conduction box body and the sputum can be prevented from falling into the mouth of the patient in sequence.

When the sputum enters the valve cavity, the anti-reverse plate and the filter screen can block the sputum, the blocked sputum can slide downwards through the circular arc side wall of the filter screen and the inclined side wall of the filter screen, the sputum can further fall into the valve cylinder, the large-caliber end of the valve cylinder port is convenient and rapid to collect the sputum, the sputum entering the liquid storage bottle can be blocked by the first anti-reverse cylinder body, and the collected sputum is prevented from flowing reversely.

Through the cooperation setting of operation support body, the mount body, in use, the accessible pulling lasso, the distance between adjustment U-shaped cardboard and the second handle, after the adjustment, the patient can put the wrist side, and fix the U-shaped cardboard card on the wrist, and will hold on second handle and first handle, the patient can be with the tiger's mouth department of hand and second handle contact, except the thumb, other fingers can with first handle contact, when the first handle of finger pulling, can make first handle take place to rotate, first handle can pull the rotation connector when rotating, first installation pipe removes, simultaneously can make the fixed cover pulling extension spring, and then can make the pull rod drive the piston and remove, accomplish the action of taking out pressure, when first handle is not in the time of making the force, the resilience of extension spring can make first handle resume normal position, compared current simple and easy manual sputum aspirator, in use, the patient can put on the bed, the hand is along with holding the operation, easy operation, patient's arm lifting and hand fall the drawback of operation has been avoided, simultaneously, can be fixed with patient's convenient operation has avoided taking the patient and can take the arm conveniently at any time and can not take place.

Drawings

The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.

FIG. 1 is a schematic perspective view of a self-help sputum aspirator;

FIG. 2 is a schematic view of the partial cross-sectional perspective structure of FIG. 1;

FIG. 3 is a schematic view of a three-dimensional enlarged structure of the fixing frame body;

FIG. 4 is a schematic view of a three-dimensional enlarged structure of the valve body;

FIG. 5 is a schematic view of the partial cross-sectional perspective structure of FIG. 4;

FIG. 6 is a schematic view of a partially cut-away, enlarged perspective structure of the collection assembly;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6A;

FIG. 8 is a schematic view of a partially cut-away, enlarged, perspective view of a material handling assembly;

FIG. 9 is a schematic view of a three-dimensional enlarged structure of the anti-reflux unit and the accommodating assembly in cooperation with a cross section;

fig. 10 is a schematic view of a three-dimensional enlarged structure of the adjusting frame body.

[ reference numerals ]

1. A sputum aspirator body; 2. a cavity; 3. a first mounting tube; 4. a second mounting tube; 5. a pull rod; 6. a piston; 7. an operation frame body; 8. rotating the connector; 9. a first handle; 10. a second handle; 11. a fixed sleeve; 12. a tension spring; 13. a fixing frame body; 14. a ferrule; 15. a connecting block; 16. a U-shaped clamping plate; 17. a weakening groove; 18. a valve body; 19. a valve cavity; 20. a valve cylinder; 21. an anti-reverse plate; 22. a filter screen; 25. a connecting branch pipe; 26. a liquid storage component; 27. a liquid storage bottle; 28. a feed manifold; 29. a limit groove; 30. a limiting block; 31. a first reverse-proof cylinder; 32. a sputum aspirator tube; 33. an anti-reflux unit; 331. a first cylinder; 3311. a first funnel; 3312. a limit ring body; 3313. a first ring groove; 3314. a second ring groove; 332. plugging a cylinder; 333. a second funnel; 334. adjusting the frame body; 3341. a first adjusting unit; 33411. a fixed disc; 33412. a connecting strut; 3342. a second adjusting unit; 33421. a fixed ball; 33422. a first elastic sheet; 33423. mounting a sheet body; 3343. a third adjusting unit; 33431. positioning the lantern ring; 33432. weakening the connecting sheet; 33433. a second elastic sheet; 34. a holding assembly; 341. a thermally conductive cartridge; 342. sealing cover.

While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.

Detailed Description

The invention provides a self-help sputum aspirator which is described in detail below with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.

It is noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.

It will be understood that the meanings of "on … …", "over … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" but also includes meaning "directly on" something with intervening features or layers therebetween, and "over … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.

Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.

As shown in fig. 1-10, an embodiment of the present invention provides a self-service sputum aspirator, comprising: the sputum aspirator body 1 is used for providing pumping power; the sputum aspirator body 1 comprises a cavity 2, a first mounting tube 3 and a second mounting tube 4 which are connected, a piston 6 is arranged in the cavity 2, a pull rod 5 is fixedly connected to one side wall of the piston 6, one end of the pull rod 5 penetrates through the first mounting tube 3, a valve body 18 is used for collecting sputum for the first time and is used for blocking sputum, and the valve body 18 is connected with the sputum aspirator body 1; the valve body 18 comprises a valve cavity 19 which is in threaded connection with the second mounting tube 4, the valve cavity 19 is in a cover-shaped arrangement, one end of the valve cavity 19 is provided with a through hole, a connecting pipe is fixedly connected in the through hole, a valve barrel 20 which is communicated is fixedly connected to the valve cavity 19, the caliber of one end port of the valve cavity 19 is larger than that of the other end port of the valve barrel 20, a chamfer is arranged at the joint of the valve barrel 20 and the valve cavity 19, the chamfer is in a landslide shape, and in order to facilitate sputum sliding, the valve barrel 20 is in a bent shape, and the valve barrel 20 is arranged.

In use, the end with large port caliber of the valve cylinder 20 is convenient and rapid to collect phlegm, the end with small port caliber of the valve cylinder 20 is convenient to be connected with the branch pipe 25 for installation, the valve cavity 19 is fixedly connected with the anti-reverse plate 21, the anti-reverse plate 21 is composed of a bowl-shaped baffle plate and a feed pipe, one end of the feed pipe is in an inclined plane, one side wall of the anti-reverse plate 21 is fixedly connected with the filter screen 22 which is obliquely arranged, the phlegm can be blocked on the premise of not blocking air circulation by the matched arrangement of the anti-reverse plate 21 and the filter screen 22, and blocked phlegm can slide downwards through the arc side wall of the filter screen 22 and the inclined side wall of the filter screen 22 and further can fall into the valve cylinder 20 so as to facilitate phlegm collection and collection assembly, and the collection assembly is used for phlegm collection and is connected with the valve body 18; the collecting assembly comprises a connecting branch pipe 25 which is connected with one end of the valve cylinder 20 in a screwed mode, a liquid storage assembly 26 is connected to the other end of the connecting branch pipe 25, the liquid storage assembly 26 comprises a liquid storage bottle 27 and a feeding branch pipe 28 which are connected, the feeding branch pipe 28 is connected with the connecting branch pipe 25 in a screwed mode through external threads, a limiting groove 29 is formed in the feeding branch pipe 28 in a clamped mode, a limiting block 30 is made of rubber materials, a first anti-backflow cylinder 31 is fixedly connected to the bottom end of the limiting block 30, the first anti-backflow cylinder 31 is arranged in a conical mode, the top end port diameter of the first anti-backflow cylinder 31 is larger than the bottom end port diameter of the first anti-backflow cylinder 31, the first anti-backflow cylinder 31 and the feeding branch pipe 28 are convenient to install through the matching of the limiting groove 29 and the limiting block 30, meanwhile the first anti-backflow cylinder 31 is convenient to clean, backflow of the collected sputum is avoided, the material conveying assembly is used for conveying the sputum, and the material conveying assembly is connected with the sputum valve body 18.

As shown in fig. 8 and 9, the material conveying component comprises a sputum aspirator fixedly connected to a valve cavity, a reverse flow preventing unit 33 is installed in a cavity at the other end of the sputum aspirator, a containing component 34 is installed on the reverse flow preventing unit 33, the reverse flow preventing unit 33 comprises a first cylinder 331, a blocking cylinder 332, a second funnel 333 and an adjusting frame body 334, the first cylinder 331, the blocking cylinder 332 and the second funnel 333 are connected through the adjusting frame body 334, the first cylinder 331 comprises a first funnel 3311 and a limiting ring body 3312 which are connected, the limiting ring body 3312 is connected with the sputum aspirator, the second funnel 333 is attached to the inner wall of the sputum aspirator, the outer diameter of the blocking cylinder 332 is smaller than the inner diameter of the sputum aspirator, a first ring groove 3313 and a second ring groove 3314 are formed in the bottom end of the limiting ring body 3312, one end top of the sputum aspirator is inserted into the second ring groove 3314, and the second ring groove 3314 is matched with the sputum aspirator.

As shown in fig. 8 and 9, the adjusting frame 334 includes a first adjusting unit 3341, a second adjusting unit 3342, and a third adjusting unit 3343 that are connected, the first adjusting unit 3341 and the third adjusting unit 3343 are connected with the first cylinder 331, the second adjusting unit 3342 is connected with the plugging cylinder 332 and the second funnel 333, the first adjusting unit 3341 includes a fixed disc 33411 fixedly sleeved on the first funnel 3311, the bottom end of the fixed disc 33411 is fixedly connected with connecting struts 33412 distributed in a circumferential array, and the bottom ends of the plurality of connecting struts 33412 are fixedly connected with each other; the second adjusting unit 3342 comprises a fixed ball 33421 fixedly connected to the bottom end of the connecting strut 33412, a fixed ball 33421 is fixedly connected to a through hole formed in the top of the plugging barrel 332, first elastic sheets 33422 distributed in a circumferential array are fixedly connected to the fixed ball 33421, the outer side wall of the first elastic sheets 33422 is fixedly connected with the plugging barrel 332 and the inner side wall of the second funnel 333, the bottom end of the first elastic sheet 33422 is fixedly connected with a mounting sheet body 33423, and the mounting sheet body 33423 is fixedly connected with the inner wall of the second funnel 333; through setting up first elastic sheet 33422, mounting lamellar body 33423, in use, first elastic sheet 33422 can support stifled section of thick bamboo 332, second funnel 333, can expand the port of second funnel 333 simultaneously, make it and inhale the sputum tube and laminate more, avoid the excessive of sputum, third adjusting unit 3343 is including fixed the lantern ring 33431 of cup jointing on connecting branch 33412, fixedly connected with weakening connection piece 33432 on the lantern ring 33431, weakening connection piece 33432's one end fixedly connected with second elastic sheet 33433, second elastic sheet 33433's lateral wall and first funnel 3311 inner wall fixed connection, second elastic sheet 33433's bottom grafting is in first round groove 3313, through the setting of second elastic sheet 33433, and cooperate spacing circle body 3312, first round groove 3313, second round groove 4 uses, make first funnel 3311 and inhale the tube relatively fixed, can make first funnel tube laminate more mutually with inhaling the sputum tube simultaneously, not only played the effect of sealed funnel, first funnel 1's removal unit is also made for first funnel 3311's one end fixedly connected with second elastic sheet 33433, second elastic sheet 3756's lateral wall and first elastic sheet 3311's bottom grafting in first round groove 3313, through setting up second elastic sheet 33433, and cooperation spacing circle 3313, second round groove 3314 uses, make the second round groove 3311, can make the sealing cap for the first material, first material is made into the first sealing cap 33is, first sealing cap 33is made into the first sealing cap, first sealing cap is made into the first sealing cap.

When the sputum aspirator is used, the first funnel 333 is pressed by the anti-backflow unit 33 installed in the valve body 32, the first elastic sheets 33422 and 33424 in the second adjusting unit 3342 are deformed, so that the second funnel 333 and the blocking cylinder 332 enter the port of the valve body 32, after the second funnel 333 is loosened, the second funnel 333 is expanded by the resilience of the first elastic sheet 33422 and the installation sheet 33423, the sputum aspirator is expanded, the retainer ring body 3312 is pushed to move, the containing assembly 34 and the first cylinder 331 enter the sputum aspirator, when the first cylinder 331 enters, the second elastic sheet 33433 is deformed, the first funnel 3311 is tightly inserted, when the sputum aspirator enters the second ring groove 3314, the pushing is stopped, the first cylinder 331 and the sputum aspirator are further fixed relatively, the anti-reflux unit 33 is placed at the throat of the patient, so that part of the sputum suction tube enters the mouth of the patient, the pull rod can be moved by the patient during operation, the piston can be moved, gas can be driven to flow, sputum at the throat of the patient enters the first funnel 3311 through the limit ring 3312 and then enters the sputum suction tube through the first funnel 3311, in the process, the self-heating bag loaded in the heat conduction box 341 heats the first funnel 3311, heat can automatically heat the sputum, the heated sputum contacts with the outer wall of the blocking tube 332, enters through the big port of the second funnel 333, finally is sucked out through the small port of the second funnel 333, the sucked sputum enters the valve cavity, enters the anti-reflux plate through the valve cavity, and further enters the connecting branch tube, the first anti-reverse cylinder body is internally provided with a first anti-reverse cylinder body, and finally the first anti-reverse cylinder body is internally provided with a liquid storage bottle for collecting, when the pumping power is insufficient or the pumping power is not driven, when the sputum flows back through the sputum suction pipe, the second funnel 333 can block the sputum once, partial sputum enters the second funnel 333 through a small port of the second funnel 333 and flows out of a large port of the second funnel 333, the sputum enters the blocking cylinder 332 for collecting, if partial sputum still flows out of the outer wall of the blocking cylinder 332, the sputum is sequentially blocked by the heat conduction box body 341 and the limiting ring body 3312, the sputum is effectively prevented from falling back into a patient mouth, when the sputum enters the valve cavity, the anti-reverse plate and the filter screen can block the sputum, the blocked sputum can slide down through the circular arc side wall of the filter screen and the inclined side wall of the filter screen, the sputum can fall into the valve cylinder, the sputum that the bore of the port of the valve cylinder is large can be collected fast, the sputum that enters into the stock solution bottle can be blocked by the first anti-reverse cylinder, avoid the sputum that collects to flow backward, compare with the existing simple and easy manual sputum aspirator, the invention is in order to finish basic sputum sucking function, can avoid because of patient's misoperation or undriven cause the sputum to flow backward, have avoided the jam of the dense sputum to the sputum suction tube, the convenience is collected the sputum, have further avoided causing patient's psychological discomfort or uncomfortable body, meanwhile, prevent the countercurrent unit 33, hold the assembly 34 and can be convenient for installing, dismantling, clear up, can use repeatedly, and, can avoid the sputum to cause the pollution of the sputum aspirator while drawing, have avoided influencing the going on of the pumping work.

As shown in fig. 1 and 2, the operation frame 7 is used for the patient to operate conveniently, and the operation frame 7 is connected with the sputum aspirator body 1; the operation frame body 7 comprises a rotary connector 8 fixedly connected to one end of the pull rod 5 and a second handle 10 fixedly sleeved on the first mounting tube 3, a first handle 9 is rotatably connected between two ears of the rotary connector 8 through a rotary rod, a fixed sleeve 11 is fixedly sleeved on the first handle 9, a tension spring 12 is fixedly connected between the fixed sleeve 11 and the second handle 10, and through the arrangement of the operation frame body 7, in use, a patient can contact the tiger mouth of the hand with the second handle 10, other fingers can contact the first handle 9 except the thumb, when the fingers pull the first handle 9, the first handle 9 rotates, the first handle 9 pulls the rotary connector 8 and the first mounting tube 3 to move when rotating, and meanwhile, the fixed sleeve 11 pulls the tension spring 12, so that the pull rod 5 drives the piston 6 to move.

As shown in fig. 1 and 3, the fixing frame 13 is used for fixing with the arm of the patient, and the fixing frame 13 is connected with the sputum aspirator body 1; the fixing frame body 13 comprises a ferrule 14 sleeved on the cavity 2, an anti-slip washer is arranged on the inner ring of the ferrule 14 and is matched with the cavity 2, a connecting block 15 is fixedly connected to the ferrule 14, a U-shaped clamping plate 16 is fixedly connected to the bottom end of the connecting block 15, two weakening grooves 17 are formed in the U-shaped clamping plate 16, the ferrule 14, the connecting block 15, the U-shaped clamping plate 16 and the weakening grooves 17 are of an integrated structure, the U-shaped clamping plate 16 is made of elastic materials, and the cavity 2 can be fixed with an arm through the fixing frame body 13 when in use, so that the cavity 2 can be prevented from moving randomly.

In use, through the cooperation setting of the operation support body 7, mount body 13, the accessible pulling lasso 14, the distance between adjustment U-shaped cardboard 16 and the second handle 10, after the adjustment, the patient can put the wrist side, and with U-shaped cardboard 16 card fixed on the wrist, and will hold on second handle 10 and first handle 9, the patient can be with the tiger's mouth department of hand and second handle 10 contact, except the thumb, other fingers can be with first handle 9 contact, when the first handle 9 is pulled to the finger, can make first handle 9 rotate, first handle 9 can pull rotation connector 8 when rotating, first installation tube 3 removes, simultaneously can make fixed cover 11 pulling extension spring 12, and then can make pull rod 5 drive piston 6 and remove, accomplish the action of taking out pressure, when first handle 9 is not in the power, the resilience of extension spring 12 can make first handle 9 resume the normal position, compared with current simple and easy manual sputum aspirator, the patient can put the arm on the bed, the hand is in order to operate, easy operation, can pull easily, can pull the arm and can be moved by the first handle 9, the patient is convenient to take and can be held by the patient and can not take the patient and handle conveniently and take place at any time.

According to the technical scheme, the material conveying component is mainly arranged, the valve body and the collecting component are assisted to be secondarily arranged, when the sputum suction device is used, the backflow preventing unit is firstly installed in the sputum suction device, the second funnel is extruded, the first elastic piece and the first elastic piece in the second adjusting unit are enabled to deform, the second funnel and the blocking barrel enter the port, after the sputum suction device enters the port, the second funnel is loosened, the rebound of the first elastic piece and the mounting piece body can expand the second funnel, the sputum suction tube can be expanded, the containing component and the first barrel body can enter the sputum suction tube by pushing the limiting ring body to move, the second elastic piece can deform, the first funnel can be further fastened, when the sputum suction tube enters the second ring groove, pushing is stopped, the first barrel body and the sputum suction tube are further enabled to be relatively fixed, the sputum suction tube is further convenient to install and detach for multiple times, and then the backflow preventing unit is placed at the position of a patient, and the sputum suction tube can be enabled to enter the patient port.

When the sputum enters the valve cavity, the anti-reverse plate and the filter screen can block the sputum, the blocked sputum can slide downwards through the circular arc side wall of the filter screen and the inclined side wall of the filter screen, the sputum can fall into the valve cylinder further, the large-caliber end of the valve cylinder port is convenient for the sputum to be collected rapidly, the sputum entering the liquid storage bottle can be blocked by the first anti-reverse cylinder body, and the collected sputum is prevented from flowing reversely.

The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the above description of the preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will fully be understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.

Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the embodiments described above may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as: ROM/RAM, magnetic disks, optical disks, etc.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims

1. A self-service sputum aspirator, comprising:

the sputum aspirator body is used for providing pumping power;

the operation frame body is used for being conveniently operated by a patient and is connected with the sputum aspirator body;

the fixing frame body is used for being fixed with the arm of a patient and connected with the sputum aspirator body;

the valve body is used for collecting phlegm for the first time and blocking the phlegm, and is connected with the sputum aspirator body;

the collection assembly is used for collecting sputum and is connected with the valve body;

the material conveying assembly is used for conveying phlegm and is connected with the valve body;

the sputum aspirator body comprises a cavity, a first mounting tube and a second mounting tube which are connected; a piston is arranged in the cavity, a pull rod is fixedly connected to one side wall of the piston, and one end of the pull rod penetrates through the first installation tube;

the valve body comprises a valve cavity which is in threaded connection with the second mounting pipe, a valve barrel which is communicated with the valve cavity is fixedly connected with the valve cavity, the caliber of one end port of the valve cavity is larger than that of the other end port of the valve barrel, the valve barrel is in a bent shape, an anti-reversion plate is fixedly connected in the valve cavity, the feeding end of the anti-reversion plate is in an inclined surface arrangement, and a filter screen which is obliquely arranged is fixedly connected with one side wall of the anti-reversion plate;

the material conveying assembly comprises a sputum suction pipe fixedly connected to the valve cavity, an anti-backflow unit is arranged in a cavity at the other end of the sputum suction pipe, the anti-backflow unit is provided with a containing assembly, the anti-backflow unit comprises a first barrel, a blocking barrel, a second funnel and an adjusting frame body, the first barrel, the blocking barrel and the second funnel are connected through the adjusting frame body, the first barrel comprises a first funnel and a limiting ring body which are connected, the limiting ring body is connected with the sputum suction pipe, the second funnel is attached to the inner wall of the sputum suction pipe, the outer diameter of the blocking barrel is smaller than the inner diameter of the sputum suction pipe, a first ring groove and a second ring groove are formed in the bottom end of the limiting ring body, the adjusting frame body comprises a first adjusting unit, a second adjusting unit and a third adjusting unit which are connected, and the second adjusting unit is connected with the first barrel;

the first adjusting unit comprises a fixed disc fixedly sleeved on the first funnel, the bottom ends of the fixed disc are fixedly connected with connecting struts distributed in a circumferential array, and the bottom ends of the connecting struts are fixedly connected with each other;

the second adjusting unit comprises a fixed ball fixedly connected to the bottom end of the connecting support rod, the fixed ball is fixedly connected to a through hole formed in the top of the blocking cylinder, first elastic sheets distributed in a circumferential array are fixedly connected to the fixed ball, the outer side wall of each first elastic sheet is fixedly connected with the blocking cylinder and the inner side wall of the second funnel, the bottom end of each first elastic sheet is fixedly connected with a mounting sheet body, and the mounting sheet body is fixedly connected with the inner wall of the second funnel;

the third adjusting unit comprises a positioning lantern ring fixedly sleeved on the connecting support rod, a weakening connecting piece is fixedly connected to the positioning lantern ring, a second elastic piece is fixedly connected to one end of the weakening connecting piece, the outer side wall of the second elastic piece is fixedly connected with the inner wall of the first funnel, and the bottom end of the second elastic piece is inserted into the first ring groove.

2. The self-help sputum aspirator according to claim 1, wherein the operation frame comprises a rotating connector fixedly connected to one end of the pull rod, and a second handle fixedly sleeved on the first installation tube, a first handle is rotatably connected between two ears of the rotating connector through a rotating rod, a fixing sleeve is fixedly sleeved on the first handle, and a tension spring is fixedly connected between the fixing sleeve and the second handle.

3. The self-service sputum aspirator according to claim 1, wherein the fixing frame body comprises a ferrule sleeved on the cavity, a connecting block is fixedly connected to the ferrule, a U-shaped clamping plate is fixedly connected to the bottom end of the connecting block, two weakening grooves are formed in the U-shaped clamping plate, the ferrule, the connecting block, the U-shaped clamping plate and the weakening grooves are of an integral structure, and the U-shaped clamping plate is made of elastic materials.

4. The self-service sputum aspirator according to claim 1 wherein the collection assembly comprises a connecting branch tube screwed to one end of the valve cylinder, the other end of the connecting branch tube being connected with a liquid storage assembly.

5. The self-service sputum aspirator according to claim 4, wherein the stock solution subassembly includes stock solution bottle and the feeding branch pipe that is connected, the feeding branch pipe pass through the external screw thread with connect branch pipe spiro union, be provided with the spacing groove on the feeding branch pipe, the joint has the stopper in the spacing groove, the bottom fixedly connected with first anti-reverse barrel of stopper.

6. The self-service sputum aspirator according to claim 1, wherein the containing assembly comprises a heat conducting box fixedly sleeved on the first funnel, the heat conducting box is made of a heat conducting material, a sealing cover is clamped in the heat conducting box, and the sealing cover is sleeved on the first funnel.