CN111939345B

CN111939345B - Emergency department is with inhaling phlegm device

Info

Publication number: CN111939345B
Application number: CN202010850350.2A
Authority: CN
Inventors: 崔旭凤; 黄丹丹
Original assignee: First Affiliated Hospital of Henan University of Science and Technology
Current assignee: Luoyang Jiaze Medical Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2023-03-21
Anticipated expiration: 2040-08-21
Also published as: CN111939345A

Abstract

The invention provides a sputum suction device for emergency department, which comprises a sputum collection box, wherein a negative pressure mechanism is arranged on one side of the sputum collection box, a sputum suction pipe is arranged on the other side of the sputum collection box, and a spraying mechanism is arranged on one side, close to the sputum suction pipe, of the top of the sputum collection box; wherein, inhale the phlegm pipe and include: one end of the inner tube is sleeved with the driving assembly and extends into the sputum collecting box, and the other end of the inner tube is provided with an extensible suction head; the outer pipe is sleeved outside the inner pipe and forms a spraying cavity with the outer wall of the inner pipe; the mist outlet of the spraying mechanism is communicated with the spraying cavity; the driving component can drive the inner pipe to move along the outer pipe; when the extendable suction head is disengaged from the outer tube, the extendable suction head is deployed and engages the end of the outer tube. Through the double-layer structure of the sputum suction pipe, the sputum suction of the inner pipe and the spraying of the outer pipe are carried out synchronously, and the sputum is sucked out conveniently while the viscous sputum is moistened. And the sputum suction efficiency is improved by the expansion of the stretchable suction head.

Description

Emergency department is with inhaling phlegm device

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a sputum suction device for an emergency department.

Background

To the more patient of sputum, need in time with the sputum suction to prevent to produce the jam to the respiratory track, thereby cause the patient to breathe difficultly, threaten patient's life even. The existing sputum suction device has two types, one type is a manual sputum aspirator, and when a patient encounters an emergency treatment process, the manual sputum aspirator is difficult to rapidly suck out blocked sputum due to insufficient power, so that a medical accident which is influenced very much can be caused to an emergency department. The other is an automatic sputum aspirator, which can quickly suck out blocked sputum, but finds that the end of a sputum suction tube of the automatic sputum aspirator easily causes instrument insertion injury to the inner wall of a respiratory tract in practical application, even difficultly sucks out viscous sputum sometimes, and easily causes injury to the throat mucosa of a patient due to large power of sputum suction, thereby increasing the pain of the patient.

In addition, the structure of part of the sputum aspirator is too complex, which causes the cost to be increased and the sputum aspirator is inconvenient to move and use.

Disclosure of Invention

In order to solve the problems, the invention aims to provide a sputum suction device for an emergency department, which ensures that the inner tube sucks sputum and the outer tube sprays the sputum synchronously through a sputum suction tube with a double-layer structure, and the sputum is conveniently sucked while viscous sputum is moistened; in addition, the extensible suction head at the end part of the inner tube is separated from the outer tube and unfolded through the telescopic inner tube, so that the sputum suction efficiency is improved, and the sputum can be quickly sucked out without excessive power.

In order to achieve the above object, the technical solution of the present invention is as follows.

A sputum aspirator for emergency department, comprising:

the sputum collection box is provided with a negative pressure mechanism on one side and a sputum suction pipe on the other side, and a spraying mechanism is arranged on one side, close to the sputum suction pipe, of the top of the sputum collection box;

wherein, inhale the phlegm pipe and include:

one end of the inner tube is sleeved with a driving assembly and extends into the sputum collecting box, and the other end of the inner tube is provided with an extensible suction head;

the outer pipe is sleeved outside the inner pipe and forms a spraying cavity with the outer wall of the inner pipe; the mist outlet of the spraying mechanism is communicated with the spraying cavity;

the driving assembly can drive the inner pipe to move along the outer pipe; when the extendable suction head is disengaged from the outer tube, the extendable suction head is deployed and engages the end of the outer tube.

Further, the extendable suction head comprises:

the elastic membrane structure is arranged at the other end of the inner tube;

the supporting rib rods are arranged on the peripheral outer wall of the elastic membrane structure;

one end of each supporting rib rod is hinged with the inner pipe;

the end part of the outer pipe is connected with a plurality of elastic connecting parts, and one end of each elastic connecting part is slidably arranged on the corresponding supporting rib rod.

Further, the outer diameter of the extensible suction head when the extensible suction head is unfolded is larger than the inner diameter of the outer pipe.

Furthermore, one end of the spraying cavity, which is close to the stretchable suction head, is provided with a plurality of spraying ports.

Further, the drive assembly includes:

the annular pipe is sleeved at one end of the inner pipe close to the sputum collecting box;

the driving block is movably arranged in the annular pipe, and the inner wall of the driving block is fixedly connected with the outer wall of the inner pipe;

2 air bags are arranged on two sides of the driving block;

the driving block can be driven to reciprocate along with the expansion and contraction of the corresponding air bag.

Furthermore, one side of each air bag is provided with a liquid storage tank, and each liquid storage tank is connected with the corresponding air bag through a valve.

Furthermore, one end of the outer pipe is fixedly connected with the outer wall of the driving assembly.

Further, the negative pressure mechanism includes:

one end of the bellows air bag component is fixedly arranged on one side of the sputum collecting box;

the pushing assembly is arranged at the other end of the corrugated pipe air bag assembly and is used for pushing the corrugated pipe air bag assembly to move in a reciprocating mode;

one end of the corrugated pipe air bag assembly is provided with a one-way air inlet valve, the other end of the corrugated pipe air bag assembly is provided with a one-way exhaust valve, and the corrugated pipe air bag assembly is connected with the sputum collection box through the one-way air inlet valve and used for exhausting gas in the sputum collection box to form a negative pressure environment.

Furthermore, a bottom plate is arranged on the lower side of the negative pressure mechanism, and the pushing assembly is arranged on one end of the bottom plate; the pushing assembly is an air cylinder, and a telescopic rod of the air cylinder is detachably connected with the corrugated pipe air bag assembly.

The sputum suction device for the emergency department provided by the invention has the following beneficial effects:

1. negative pressure is formed on the sputum collecting box through the negative pressure mechanism so as to facilitate sputum suction operation. The double-layer structure of the sputum suction tube enables the inner tube to suck sputum and the outer tube to spray synchronously, and the sputum is sucked conveniently while the sputum is moistened and sticky.

2. On the outer tube was fixed in the drive assembly of sputum collecting box one side outer wall, the outer tube removal can be followed to the inner tube, and extends to in the sputum collecting box. The driving component drives the inner tube to move back and forth for controlling the extension and the furling of the extensible suction head, so that the extensible suction head at the end part of the inner tube forms a larger contact surface for sputum due to the fact that the extensible suction head is away from the outer tube, and the sputum suction efficiency is improved; the sputum can be quickly sucked out without excessive power, and the mucous membrane of the throat cannot be damaged.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a portion C in fig. 1.

Fig. 4 is a schematic structural view of a portion B in fig. 1.

Fig. 5 is a schematic view of the extendable suction head of fig. 1.

In the figure, 1, a sputum collection box; 2. a negative pressure mechanism; 21. a bellows airbag assembly; 211. a one-way intake valve; 212. a one-way exhaust valve; 22. a pushing assembly; 3. a spraying mechanism; 4. a sputum suction tube; 41. an inner tube; 42. an outer tube; 43. a spray cavity; 431. a spray nozzle; 5. the suction head can be stretched; 51. an elastic film structure; 52. a support bar rod; 53. an elastic connection member; 6. a drive assembly; 61. an annular tube; 62. a drive block; 63. an air bag; 64. a liquid storage tank; 7. a base plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a schematic structural diagram of a sputum aspirator for emergency department according to an embodiment of the present invention is shown. The sputum suction device for the emergency department comprises a sputum collecting box 1 for collecting sputum; one side of the sputum collection box 1 is provided with a negative pressure mechanism 2 which is used for forming a negative pressure environment for the sputum collection box 1; the other side is provided with a sputum suction tube 4. The negative pressure mechanism and the sputum suction pipe are both arranged at the upper end part of the sputum collection box 1.

Of course, in other embodiments, the top of the sputum collection box is further provided with a nozzle, the top of the nozzle extends to the outside of the sputum collection box, and the nozzle is provided with a threaded joint, so that the sputum collection box can be conveniently connected with a water tank or a disinfectant box through a pipeline. And the bottom of sputum collecting box is provided with the liquid outlet, conveniently discharges the sputum to and washing liquid or antiseptic solution.

One side that the top of sputum collecting box 1 is close to inhaling phlegm pipe 4 is provided with spraying mechanism 3 for atomizing is spouted wetly. Negative pressure is formed on the sputum collecting box 1 through the negative pressure mechanism 2 so as to facilitate sputum suction operation.

For example, the spraying mechanism comprises an atomizing box, an atomizing pool is arranged in the atomizing box, an ultrasonic atomizer is arranged at the bottom of the atomizing pool, an atomizing pipe extends out of the top of the atomizing pool, and a mist outlet of the atomizing pipe is communicated with a spraying cavity 43 on the outer wall of the sputum suction pipe. Certainly, can also set up a fan at the top of atomizing case, the air outlet and the atomizing union coupling of fan can drive the intraductal moist fog of atomizing and follow the atomizing pipe and get into in the spraying cavity to spout by a plurality of nozzle 431 of spraying cavity, be used for diluting thick sputum.

Referring to fig. 4, the sputum aspirating tube 4 includes an inner tube 41 and an outer tube 42, and the dual-layer structure of the sputum aspirating tube 4 enables the sputum aspiration of the inner tube and the sputum aspiration of the outer tube to be performed synchronously, so that the sputum can be conveniently aspirated while the viscous sputum is moistened.

One end of the inner tube 41 is sleeved with the driving assembly 6 and extends into the sputum collection box 1, for example, the front side of the sputum collection box is provided with a slide hole, and one end of the inner tube extends into the slide hole and can move along the slide hole. The inner tube is provided with spacing portion on being located the tip of sputum collecting box in, and the external diameter of spacing portion is greater than the external diameter of slide opening to can avoid the inner tube to slide out in the in-process from this slide opening that slides. In order to improve the sealing performance between the sliding hole and the inner tube, the inner tube is made of a hard silicone tube, and a sealing rubber ring is arranged on the inner wall of the sliding hole.

The other end of the inner tube 41 is provided with an extensible suction head 5; the driving assembly 6 can drive the inner tube 41 to move along the outer tube 42; when the extendable suction head 5 is detached from the outer tube 42, the extendable suction head 5 is unfolded and brought into contact with the end of the outer tube 42.

The outer tube 42 is sleeved outside the inner tube 41 and forms a spray cavity 43 with the outer wall of the inner tube 41; the mist outlet of the mist spray mechanism 3 communicates with the mist spray cavity 43. In particular, the end of the spray cavity 43 adjacent the extendable suction head 5 is provided with a plurality of spray outlets 431. The spraying mechanism produces moist fog and gets into the spraying cavity after, along a plurality of nozzle spouts of spraying cavity tip to can spray the thick sputum of throat and moisten, make things convenient for the negative pressure suction, and can not cause the damage to the throat mucosa.

In this embodiment, the outer tube 42 is fixed on the driving assembly 6 of the outer wall of one side of the sputum collection box 1, the inner tube 41 can move along the outer tube, and one end of the inner tube extends into the sputum collection box 1. The driving component 6 drives the inner tube 41 to move back and forth for controlling the extension and the furling of the extensible suction head 5, so that the extensible suction head 5 at the end part of the inner tube 41 is unfolded due to leaving the outer tube 42, a larger contact surface for sputum is formed, and the sputum suction efficiency is improved; the sputum can be quickly sucked out without excessive power, and the mucous membrane of the throat cannot be damaged.

Referring to fig. 5, the extendable suction head 5 includes an elastic membrane structure 51 and a plurality of support ribs 52.

An elastic membrane structure 51 is provided on the other end of the inner tube 41; the elastic membrane structure is a transparent elastic membrane structure, encloses to form an annular structure, and is fixedly connected with the end part of the inner tube.

A plurality of supporting rib rods 52 are uniformly distributed on the peripheral outer wall of the elastic membrane structure 51; one end of each support rib rod 52 is hinged with the end of the inner pipe 41; the purpose of the support bars is here to support the elastic membrane structure, so that the elastic membrane structure can enclose an annular structure at the end of the inner tube.

A plurality of elastic connecting members 53 are connected to the end of the outer tube 42, and one end of each elastic connecting member 53 is slidably disposed on the corresponding support rib rod 52. Here, the elastic connection member may be a spring or may be a connection string having elasticity. Along with inner tube outside promotion, can extend the outside extension of suction head towards the outer tube, because elastic connection spare's pulling force for the tip of supporting the muscle pole expands towards the outside of outer tube gradually, and the elastic membrane structure receives the effect of supporting the muscle pole and pulls open, forms the inside narrow horn mouth shape of outer width. Specifically, the extendable suction head 5 has an outer diameter dimension when expanded that is greater than an inner diameter dimension of the outer tube 42. Therefore, the farthest end of the extensible suction head shields the spray ports 431 on the outer pipe port, and the diluted sputum is prevented from entering the spray ports under the condition that the spray ports do not spray humid mist.

Referring to fig. 2, one end of the outer tube 42 is fixedly connected to the outer wall of the driving assembly 6. The drive assembly 6 includes an annular tube 61, a

drive block

62 and 2 air bags 63. The drive assembly primarily functions to drive the inner tube 41 to and fro along the outer tube. Of course, in other embodiments, support rings may be added to the outer wall of the inner tube to allow the inner tube to move while still forming the spray cavity 43 with the outer tube.

The annular tube 61 is sleeved at one end of the inner tube 41 close to the sputum collection box 1; so that a receiving cavity is formed between the annular tube and the inner tube.

The driving block 62 is movably arranged in the accommodating cavity in the annular tube 61, and the inner wall of the driving block 62 is fixedly connected with the outer wall of the inner tube 41; the outer wall of the driving block 62 abuts against the inner wall of the annular tube 61 and can slide along the inner wall of the annular tube.

The 2 air bags 63 are arranged on two sides of the driving block 62; and 2 air bags 63 are each located in the receiving cavity of the annular tube 61. The driving block 62 can be driven to reciprocate along with the expansion and contraction of the corresponding air bag 63, and then the inner tube is driven to realize reciprocating movement.

The upper side of each air bag 63 is provided with a liquid storage tank 64, and each liquid storage tank 64 is connected with the corresponding air bag 63 through a valve; the top of the liquid storage tank 64 is provided with an air pump which is respectively communicated with the corresponding liquid storage tanks 64 through air ducts. For example, the left side of the driving block is provided with a first air bag, the upper side of the first air bag is provided with a first liquid storage tank, and the first liquid storage tank is communicated with the first air bag; the right side of the driving block is provided with a second air bag, a second liquid storage tank is arranged on the upper side of the second air bag, and the second liquid storage tank is communicated with the second air bag. The opposite side walls of the first liquid storage tank and the second liquid storage tank are fixedly connected. And an air pump is arranged at the top of the first liquid storage tank and the top of the second liquid storage tank and is respectively connected with the first liquid storage tank and the second liquid storage tank through air guide pipes.

When the air pump is used, air is supplied to the first liquid storage tank through the air pump, so that liquid in the first liquid storage tank enters the first air bag, and liquid in the second air bag flows back to the second liquid storage tank. Thereby urging the drive block to move toward the right. Otherwise, the driving block is pushed to move towards the left side. Of course, the top of the first liquid storage tank and the top of the second liquid storage tank are both provided with control valves for controlling air intake and air exhaust.

Referring to fig. 3, the negative pressure mechanism 2 includes a bellows air bag module 21 and a pushing module 22.

One end of the bellows air bag component 21 is fixedly arranged at one side of the sputum collection box 1; the pushing assembly 22 is arranged at the other end of the bellows airbag assembly 21 and used for pushing the bellows airbag assembly 21 to move back and forth;

one end of the bellows air bag component 21 is provided with a one-way air inlet valve 211, the one-way air inlet valve 211 is arranged at one end of the sputum collection box 1, and the air in the sputum collection box can enter the bellows air bag component through the one-way air inlet valve, otherwise, the ventilation cannot be carried out; the other end of bellows gasbag subassembly 21 is provided with one-way discharge valve 212, and one-way discharge valve's quantity can be 1, 2 or 3, etc. and a plurality of one-way discharge valves evenly lay on the lateral wall of the bellows gasbag subassembly other end. The gas in bellows airbag module 21 can be exhausted to the outside through one-way exhaust valve 212, and not otherwise. Bellows gasbag subassembly 21 is connected with sputum collecting box 1 through one-way admission valve 211 for the gaseous negative pressure environment that forms in the sputum collecting box 1 of discharging.

Specifically, the lower side of the negative pressure mechanism 2 is provided with an L-shaped bottom plate 7, one end of the bottom plate is fixedly connected with the side wall of the sputum collection box 1, and the other end of the bottom plate is fixedly connected with the pushing assembly. The pushing assembly 22 is arranged on a vertical plate at one end of the bottom plate 7; wherein, the pushing component 22 is a cylinder, and an expansion link of the cylinder is detachably connected with the bellows air bag component 21. For example, the end of the telescopic rod of the cylinder is provided with a connecting plate which is fixed with the bellows airbag module by gluing or by bolts.

When the corrugated pipe air bag component is used, the pushing component is started, the telescopic rod of the pushing component extends to extrude the corrugated pipe air bag component, and gas in the corrugated pipe air bag component is discharged through the one-way exhaust valve. Then the telescopic rod of the pushing assembly is contracted to stretch the corrugated tube air bag assembly, and the gas in the sputum collecting box enters the corrugated tube air bag assembly through the one-way air inlet valve to extend the corrugated tube air bag assembly. The sputum collecting box forms the negative pressure environment this moment, can make the sputum suction pipe carry out the negative pressure suction to the sputum after the throat dilutes. Certainly, still can set up a manometer on the lateral wall of sputum collecting box 1, can be used to the negative pressure environment in the monitoring sputum collecting box 1.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sputum aspirator for emergency department is characterized by comprising:

the sputum collection device comprises a sputum collection box (1), wherein a negative pressure mechanism (2) is arranged on one side of the sputum collection box (1), a sputum suction pipe (4) is arranged on the other side of the sputum collection box, and a spraying mechanism (3) is arranged on one side, close to the sputum suction pipe (4), of the top of the sputum collection box (1);

wherein the sputum suction tube (4) comprises:

one end of the inner tube (41) is sleeved with a driving assembly (6) and extends into the sputum collecting box (1), and the other end of the inner tube is provided with an extensible suction head (5);

the outer pipe (42) is sleeved outside the inner pipe (41) and forms a spraying cavity (43) with the outer wall of the inner pipe (41); the mist outlet of the spraying mechanism (3) is communicated with the spraying cavity (43);

the driving assembly (6) can drive the inner pipe (41) to move along the outer pipe (42); when the extensible suction head (5) is separated from the outer pipe (42), the extensible suction head (5) is unfolded and is connected with the end part of the outer pipe (42);

said extendable suction head (5) comprising:

an elastic membrane structure (51) provided on the other end of the inner tube (41);

the supporting rib rods (52) are arranged on the peripheral side outer wall of the elastic membrane structure (51);

one end of each supporting rib rod (52) is hinged with the inner pipe (41);

the end part of the outer pipe (42) is connected with a plurality of elastic connecting parts (53), and one end of each elastic connecting part (53) is slidably arranged on the corresponding supporting rib rod (52);

the drive assembly (6) comprises:

an annular tube (61) sleeved at one end of the inner tube (41) close to the sputum collection box (1),

the driving block (62) is movably arranged in the annular pipe (61), and the inner wall of the driving block (62) is fixedly connected with the outer wall of the inner pipe (41);

2 air bags (63) arranged on two sides of the driving block (62);

the driving block (62) can be driven to reciprocate along with the expansion and contraction of the corresponding air bag (63);

one side of each air bag (63) is provided with a liquid storage tank (64), and each liquid storage tank (64) is connected with the corresponding air bag (63) through a valve.

2. The sputum aspirator for emergency department according to claim 1, wherein the extendable suction head (5) has an outer diameter dimension larger than an inner diameter dimension of the outer tube (42) when it is expanded.

3. The sputum aspirator for emergency department of claim 1, characterized in that the end of the spray cavity (43) close to the extendable tip (5) is provided with several spray outlets (431).

4. The sputum aspirator for emergency department according to claim 1, wherein one end of the outer tube (42) is fixedly connected with the outer wall of the driving assembly (6).

5. The sputum aspirator for emergency department according to claim 1, wherein the negative pressure mechanism (2) comprises:

one end of the bellows air bag component (21) is fixedly arranged on one side of the sputum collection box (1);

the pushing assembly (22) is arranged at the other end of the corrugated pipe air bag assembly (21) and is used for pushing the corrugated pipe air bag assembly (21) to move in a reciprocating mode;

one end of the corrugated pipe air bag assembly (21) is provided with a one-way air inlet valve (211), the other end of the corrugated pipe air bag assembly is provided with a one-way exhaust valve (212), and the corrugated pipe air bag assembly (21) is connected with the sputum collection box (1) through the one-way air inlet valve (211) and used for discharging gas in the sputum collection box (1) to form a negative pressure environment.

6. The sputum aspirator for emergency department according to claim 5, wherein the negative pressure mechanism (2) is provided at the lower side thereof with a base plate (7), and the pushing assembly (22) is provided at one end of the base plate (7); the pushing assembly (22) is an air cylinder, and an expansion rod of the air cylinder is detachably connected with the corrugated pipe air bag assembly (21).