CN216022378U

CN216022378U - Improved closed type sputum suction tube

Info

Publication number: CN216022378U
Application number: CN202122344334.9U
Authority: CN
Inventors: 陈倩倩; 陈香萍; 洪柳雨; 张敏燕
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-15
Anticipated expiration: 2031-09-27

Abstract

The utility model provides an improved closed sputum suction tube, which comprises a film plastic sleeve, wherein an elastic small hole is formed in the film plastic sleeve, a sputum suction tube is inserted and connected in the elastic small hole, a sputum suction opening at one end of the sputum suction tube is connected with a threaded ring, the threaded ring is communicated and connected with the bottom of a plug tube seat through a threaded sleeve, one side of the top of the plug tube seat is respectively communicated and connected with a medicine injection side tube and a flushing side tube, and a backflow preventing mechanism is arranged on the outer side of the flushing side tube, and the improved closed sputum suction tube has the beneficial effects that: through the filtration of the inboard installation of respiratory interface, can prevent that breathing machine loop comdenstion water from getting into in air flue and the air flue sputum, droplet and getting into the breathing machine loop, can effectively prevent VAP, through autogenous cutting sleeve pipe interface, breathing machine interface and the sampling operation mouth of installation on the plug socket when using, avoid air flue aerosol, droplet blowout, pollute the surrounding environment easily, prevent to cause the cross infection condition.

Description

Improved closed type sputum suction tube

Technical Field

The utility model belongs to the technical field of sputum suction tubes, and particularly relates to an improved closed sputum suction tube.

Background

Sputum in the patient's air flue gets into the breathing machine loop easily, pollutes the breathing machine loop, breeds the bacterium, in case breathing machine loop comdenstion water flows backward the intake duct, cross infection easily takes place VAP, and traditional closed sputum suction tube is three way connection, and when going on bronchoscope treatment or keeping away to get phlegm and cultivateing, will throw off the breathing machine and go on, and air flue aerosol, droplet blowout pollute the surrounding environment easily, cause cross infection.

When traditional closed suction catheter washed the side pipe and will continuously washed, will connect the infusion pipeline in addition and wash to in case operator's misoperation (if wash the back and in time close and wash the infusion switch), take place the flush fluid easily and pour into the lung, cause the patient to seriously influence.

Disclosure of Invention

The utility model aims to provide an improved closed sputum suction tube, and aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an improvement type closed sputum suction tube, includes the film plastic sheath, the inside of film plastic sheath is provided with the elasticity aperture, the inside interlude of elasticity aperture is connected with inhales the sputum pipe, the one end of inhaling the sputum pipe is inhaled the phlegm mouth and is connected with the fillet of screw, the fillet of screw passes through the bottom through connection of thread bush and plug socket seat, one side at plug socket seat top through connection has the injection side pipe respectively and washes the side pipe, wash the side pipe outside and install the mechanism of preventing flowing backward.

Preferably, the backflow mechanism comprises a switch seat fixedly connected with one side of the flushing side pipe, a backflow preventing shell is installed inside the switch seat, a fixing frame is fixedly installed inside the backflow preventing shell, a connecting rod penetrates through one side of the fixing frame, a reset spring is sleeved on the outer side of one end of the connecting rod, a limiting plate is fixedly connected with one end of the connecting rod, a switch button is installed at the top of the switch seat, a limiting rod is installed at the bottom of the switch button, limiting protrusions are arranged on two sides of the bottom end of the limiting rod, a conveying groove is formed in the backflow preventing shell, a limiting groove is formed in the top of the connecting rod, opposite to the bottom end of the limiting rod, and a telescopic spring is sleeved on the outer side of the limiting rod.

Preferably, the top of the insertion tube seat is provided with an autogenous cutting sleeve interface, the middle edge side of the insertion tube seat is provided with a respirator interface, the edge side of the bottom of the insertion tube seat is provided with a sampling operation port, and a one-way valve cavity is arranged along the sampling operation port.

Preferably, one end of the film plastic sleeve is provided with a negative pressure suction joint through a negative pressure device.

Preferably, a filter screen is arranged at the mouth edge of the respirator interface.

Preferably, one end of the flushing side pipe is connected with a transfusion pipeline through a closed switch.

Compared with the prior art, the utility model has the beneficial effects that:

1) through the filtration of the inboard installation of respiratory interface, can prevent that breathing machine loop comdenstion water from getting into in air flue and the air flue sputum, droplet and getting into the breathing machine loop, can effectively prevent VAP, through autogenous cutting sleeve pipe interface, breathing machine interface and the sampling operation mouth of installation on the plug socket when using, avoid air flue aerosol, droplet blowout, pollute the surrounding environment easily, prevent to cause the cross infection condition.

2) Through the mechanism of preventing flowing backward of installation on washing the side pipe, prevent that operator's misoperation (if do not in time close after washing and wash the infusion switch) the condition, the cut-off circuit plays one-way conduction's function, prevents that the flush fluid from pouring into the lung.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic structural view of a reverse flow mechanism of the present invention;

fig. 3 is a schematic view of the thread ring structure of the present invention.

In the figure: 1. a thin film plastic sleeve; 11. a sputum suction tube; 12. a thread ring; 13. a threaded sleeve; 2. a plug tube seat; 21. a drug injection side tube; 22. flushing the side pipe; 3. a reverse flow mechanism; 31. a switch base; 32. a backflow prevention shell; 321. a fixed mount; 322. a connecting rod; 33. a return spring; 34. a limiting plate; 35. a switch button; 36. a limiting rod; 37. a limiting bulge; 38. a conveying trough; 39. a limiting groove; 4. a tracheostomy cannula interface; 41. a ventilator interface; 411. a filter screen; 42. a sampling operation port; 43. a one-way valve cavity; 5. a negative pressure device; 51. a negative pressure suction joint; 6. closing the switch; 61. and (4) a liquid conveying pipeline.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions:

the utility model provides a phlegm pipe is inhaled to improvement type closed, includes film plastic sheath 1, and the inside of film plastic sheath 1 is provided with the elasticity aperture, and the inside interlude of elasticity aperture is connected with inhales phlegm pipe 11, and the one end of inhaling phlegm pipe 11 is inhaled the phlegm mouth and is connected with the fillet 12, and the fillet 12 is through the bottom through connection of thread bush 13 with plug socket 2, and one side at 2 tops of plug socket is through connection with notes medicine side pipe 21 respectively and washes side pipe 22, washes the side pipe 22 outside and installs anti-flowing backward mechanism 3.

During the specific use, before inhaling the phlegm, at first will inhale phlegm pipe 11 and alternate the inside in elastic pore, alternate and accomplish the back, be connected fixedly with film plastic sheath 1 to socket tube seat 2 through thread circle 12 and thread bush 13, through annotating medicine side pipe 21 inhaling the phlegm completion back, can carry out the injection of medicine, through washing the inside sputum of side pipe 22 convenience throat and washing, detach the glutinous thing of sputum, clean, and elastic pore supplies the sputum pipe to pass through, inhale the phlegm pipe head end and flush with it, prevent gaseous entering.

Mechanism 3 flows backward includes and washes one side fixed connection switch seat 31 of side pipe 22, the internally mounted of switch seat 31 has the casing 32 that flows backward, the inside fixed mounting who prevents the casing 32 that flows backward has mount 321, one side interlude of mount 321 connects connecting rod 322, the one end outside cover of connecting rod 322 is equipped with reset spring 33, the one end fixedly connected with limiting plate 34 of connecting rod 322, shift knob 35 is installed at the top of switch seat 31, gag lever post 36 is installed to shift knob 35's bottom, the both sides of 36 bottoms of gag lever posts are provided with spacing arch 37, the conveyer groove 38 has been seted up to the inside of preventing the casing 32 that flows backward, 36 bottom end position of gag lever post are just seted up spacing groove 39 to the top of the connecting rod 322 of department, the outside cover of gag lever post 36 is equipped with expanding spring.

During the specific use, through when washing the inside sputum of throat, in order to prevent to flow backward the flush fluid and flow backward, generally when the flush fluid is injected, at first through the shift knob 35 on the manual push switch seat 31, elastic expansion through expanding spring pops out the gag lever post 36 bottom from inside the spacing groove 39, make limiting plate 34 under the pressure of flush fluid, shrink to inside the conveyer trough 38 under the direction of connecting rod 322, the flush fluid flows in from the clearance between conveyer trough 38 and the limiting plate 34, wash and accomplish connecting rod 322 and push limiting plate 34 under reset spring 33's effect and reset.

The top of socket 2 is provided with autogenous cutting sleeve pipe interface 4, and the middle part avris of socket 2 is provided with breathing machine interface 41, and the avris of socket 2 bottom is provided with sampling operation mouth 42, and sampling operation mouth 42 is provided with one-way valve chamber 43 along the department.

During the specific use, be convenient for carry out the intubate to the trachea through autogenous cutting sleeve pipe interface 4 that sets up, connect the breathing machine through the breathing machine interface 41 that sets up simultaneously, hold the one-way flap that the end was opened for middle flexible through the one-way flap chamber 43 that sets up, make things convenient for bronchoscope treatment or keep away to get phlegm and cultivate, the operation is safe convenient.

One end of the film plastic sheath 1 is provided with a negative pressure suction joint 51 through a negative pressure device 5.

When the sputum aspirator is used specifically, sputum is sucked out conveniently through the mutual matching of the negative pressure device 5 and the negative pressure suction connector 51.

A filter screen 411 is arranged at the mouth edge of the respirator interface 41.

During specific use, the gas conveyed by the respirator is filtered through the arranged filter screen 411.

One end of the flushing side pipe 22 is connected with a transfusion pipeline 61 through a closing switch 6.

When the device is used specifically, the flushing liquid is convenient to control and convey through the arranged closing switch 6 and the infusion pipeline 61.

The working principle is as follows: the improved closed sputum suction tube 11 is arranged to be close to the respirator interface 41 for connection, condensed water of the respirator loop can be prevented from entering an air passage and sputum and spray in the air passage through the filter screen 411 to effectively prevent VAP, meanwhile, the tracheostomy tube is connected through the tracheostomy tube interface 4 at the top of the plug tube seat 2 on the improved closed sputum suction tube 11, meanwhile, the operation port end is a one-way valve cavity 43 which can be opened in a middle deformable mode, bronchoscope treatment or sputum remaining culture is facilitated, the operation is safe and convenient, the flushing side tube 22 is directly connected with a flushing infusion apparatus, the anti-backflow mechanism 3 arranged at the front end of the infusion apparatus is normally closed, once the switch is held up, the passage is opened, the closed safety guarantee is achieved, a patient is protected, the interface end of the sputum suction tube 11 is closed, only the middle is provided with an elastic small hole for the sputum suction tube 11 to pass through, the straightened head end of the sputum suction tube 11 is flush with the port, so that sputum on the outer side of the tube wall of the sputum suction tube 11 can be prevented from entering the closed sputum suction tube 11, and the breathing machine can be prevented from supplying air.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a phlegm pipe is inhaled to improvement type closed, includes film plastic sheath (1), its characterized in that, the inside of film plastic sheath (1) is provided with elasticity aperture, the inside interlude of elasticity aperture is connected with inhales phlegm pipe (11), the one end of inhaling phlegm pipe (11) is inhaled the phlegm mouth and is connected with thread circle (12), thread circle (12) are through the bottom through connection of thread bush (13) with plug tube seat (2), one side at plug tube seat (2) top is through connection respectively has injection side pipe (21) and washes side pipe (22), it installs anti-backflow mechanism (3) to wash side pipe (22) outside.

2. The improved closed sputum aspirator of claim 1, wherein: the backflow mechanism (3) comprises a switch base (31) fixedly connected with one side of a flushing side pipe (22), a backflow preventing shell (32) is installed inside the switch base (31), a fixing frame (321) is fixedly installed inside the backflow preventing shell (32), one side of the fixing frame (321) is connected with a connecting rod (322) in a penetrating mode, a reset spring (33) is sleeved outside one end of the connecting rod (322), a limiting plate (34) is fixedly connected with one end of the connecting rod (322), a switch button (35) is installed at the top of the switch base (31), a limiting rod (36) is installed at the bottom of the switch button (35), limiting protrusions (37) are arranged on two sides of the bottom end of the limiting rod (36), a conveying groove (38) is formed inside the backflow preventing shell (32), and a limiting groove (39) is formed in the position of the bottom end of the limiting rod (36) and is right opposite to the top of the connecting rod (322), and the outer side of the limiting rod (36) is sleeved with a telescopic spring.

3. The improved closed sputum aspirator of claim 1, wherein: the top of socket (2) is provided with autogenous cutting sleeve pipe interface (4), the middle part avris of socket (2) is provided with breathing machine interface (41), the avris of socket (2) bottom is provided with sampling operation mouth (42), sampling operation mouth (42) are provided with one-way valve chamber (43) along the department.

4. The improved closed sputum aspirator of claim 1, wherein: one end of the film plastic sleeve (1) is provided with a negative pressure suction joint (51) through a negative pressure device (5).

5. The improved closed sputum aspirator of claim 3, wherein: a filter screen (411) is arranged at the opening edge of the respirator interface (41).

6. The improved closed sputum aspirator of claim 1, wherein: one end of the flushing side pipe (22) is connected with a transfusion pipeline (61) through a closed switch (6).