CN209004971U - A kind of safety-type breathing extension tube - Google Patents

Abstract

The utility model discloses a kind of safety-type breathing extension tubes.A kind of safety-type breathing extension tube, the connecting tube being connected to breathing circuit and breathing helmet is respectively used to including breathing helmet and both ends, one end of the breathing helmet is the connecting pin for being connected to patient artificial airway, its other end, which is equipped with, can hold the sputum suction hole that sputum aspirator tube passes through, the breathing helmet, which is equipped with to cover the sputum suction hole and can be equipped with to the slip lid of side sliding opening, the connecting tube, makes both connecting tube and breathing circuit coaxial line arrangement and the opposite 360 ° of rotary joints rotated freely of energy.The safety-type breathing extension tube of one kind of the utility model have the characteristics that air-tightness it is good, using safe.

Description

A kind of safety-type breathing extension tube

Technical field

The utility model relates to a kind of Medical Devices, more specifically more particularly to a kind of safety-type breathing extension tube.

Background technique

Sputum suction hole in the breathing extension tube used in existing clinic is a circular aperture, the circular aperture It is connected with a sealing cover, needs to open when carrying out suction sputum operation to enter sputum aspirator tube from sputum suction hole after sealing cover and inhale Phlegm, should existing deficiency be in the process: 1. sealing covers, which are easy to rebound because of elasticity, influences suction sputum operation；2. sputum suction hole itself can not be close Envelope, long will affect of opening time provides oxygen to patient when suction sputum operates.In addition, existing traditional breathing extension tube is in its ripple The junction of tube portion and breathing circuit be it is fixed, when breathing circuit generate distortion power when can not discharge, pass through breathing Extension tube is transmitted to the trachea cannula or tracheal tube of patient artificial airway one end, causes intubation or casing to respiratory tract inner wall shape At pressure, patient's local mucous membrane ischemic, necrosis are caused, ulcer even tracheoesophageal fistula occurs for serious person, currently, there are some types Breathing extension tube patient end breathing helmet and bellows for adjustment angle swivel head because frictional force it is larger, can not be automatic Carry out rotation adjustment.

Utility model content

The purpose of this utility model is to provide a kind of safety-type breathing extension tube, have air-tightness it is good, using safe Feature.

The technical solution of the utility model is as follows:

A kind of safety-type breathing extension tube, including breathing helmet and both ends are respectively used to be connected to breathing circuit and breathing helmet Connecting tube, one end of the breathing helmet is the connecting pin for be connected to patient artificial airway, and the other end is equipped with can hold The sputum suction hole that sputum aspirator tube passes through, the breathing helmet be equipped with can cover the sputum suction hole and can to the slip lid of side sliding opening, The connecting tube, which is equipped with, makes both connecting tube and breathing circuit coaxial line arrangement and the opposite 360 ° of rotations rotated freely of energy Adapter.

Further, the sputum suction hole is equipped with the sputum suction hole closing structure that can be closed automatically after sputum aspirator tube extraction.

Further, the sputum suction hole closing structure includes elastic piece, is equipped at least two center phases in the middle part of elastic piece The crack mutually intersected.

Further, it is in piece to the hemisphere planar of breathing helmet inner recess that the sputum suction hole closing structure, which is its entirety, Body.

Further, for the side between the slip lid and breathing helmet by rotation axis connection, the other side is equipped with can be to two The buckle structure that person position is positioned, the buckle structure include the clamping part being arranged on slip lid and are arranged on breathing helmet Lug boss, the clamping part and lug boss are adapted.

Further, one end of the rotary joint be breathing circuit connecting pin, the other end of the rotary joint with The rotatable engagement structure that makes the two coaxial line arrangement and opposite can rotate freely is equipped between the connecting tube.

Further, the rotatable engagement structure includes that the flanging of connecting tube one end is arranged in and is arranged in rotary joint The in-flanges of one end, the flanging are adapted with in-flanges, and the connecting tube side wall is incited somebody to action equipped with that can withstand in-flanges Connecting tube and rotary joint are mutually shifted the raised rib of limit in the two extending direction.

Further, be equipped between the rotary joint and connecting tube is annular lubrication part and sealing element.

Further, the breathing helmet or connecting tube are equipped with automatic release valve, which includes hollow Valve body, the valve body is interior to be equipped with the partition parallel with one transverse plane of valve body, and two parts that the valve body is separated by partition are distinguished End is connected to high pressure for atmosphere end, the high pressure connection end is equipped with high pressure intercommunicating pore, and the atmosphere end is equipped with Air connectivity hole and regulating mechanism for adjusting pressure release threshold value, the regulating mechanism are connected with pressure dam, the partition Equipped with relief hole compatible with pressure dam.

Further, regulating mechanism includes spring and the regulating part that is threadedly engaged with the atmosphere end of the valve body, institute Regulating part is stated in the middle part of the end face at valve body atmosphere end, the regulating part is located at one end outside valve body equipped with release handle, institute It states regulating part and is located at the intracorporal one end of valve equipped with limit plate, the both ends of the spring are mutually fixed with limit plate and pressure dam respectively, Air connectivity hole is the through-hole through the regulating part both ends.

The utility model has the beneficial effect that

1. a kind of safety-type breathing extension tube of the utility model will not be as existing using the slip lid to side sliding opening The same rebound because of elasticity of some sputum suction hole sealing covers influences operation, can keep the close gas of sputum suction hole, meanwhile, connecting tube and ventilator The distortion power that the releasable breathing circuit of rotary joint between pipeline generates, therefore, one kind of the utility model is safety-type to exhale Inhale extension tube have the characteristics that air-tightness it is good, using it is safe, easy to operate, can be dust-proof；

It is mutually fitted 2. can be opened when carrying out suction sputum operation by the sputum suction hole for being equipped with sputum suction hole closing structure with sputum aspirator tube Automatic closure keeps breathing helmet air-tightness after the completion of the hole matched and suction sputum, and the connection of patient and ventilator is kept with this, therefore, this The safety-type breathing extension tube of one kind of utility model have the characteristics that air-tightness it is good, using safe；

3. being equipped at least two using the sputum suction hole closing structure of recess hemisphere planar sheet body, also, in the middle part of elastic piece The cross one another crack of the heart makes the sputum suction hole be able to maintain close gaseity and is easy to open downwards from each crack infall；

4. making can be same between connecting tube and breathing circuit using the rotary joint between connecting tube and breathing circuit 360 ° of axis rotate freely, also, by lubrication part and sealing element respectively played between rotary joint and connecting tube lubrication and The effect of close gas makes the safety-type breathing extension tube of one kind of the utility model can be to avoid because its torsion is to patient artificial airway's Injury has the characteristics that using safe；

5. using automatic release valve pressure release can be carried out automatically and quickly when cough occurs choking in patient, the pain of patient is reduced Hardship prevents injury of the hyperbar to patient, also, keeps ventilator to the oxygen supply of patient while pressure release, makes this reality Have the characteristics that with the novel safety-type breathing extension tube of one kind using safe.

Detailed description of the invention

It, below will be to implementation in order to illustrate more clearly of the embodiments of the present invention or technical solution in the prior art Example or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description is only It is only the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.

Fig. 1 is the diagrammatic cross-section of the safety-type breathing extension tube of one kind of the utility model embodiment 1；

Fig. 2 is one of the top view of the safety-type breathing extension tube of one kind of the utility model embodiment 1；

Fig. 3 is the two of the top view of the safety-type breathing extension tube of one kind of the utility model embodiment 1；

Fig. 4 is the portion the A enlarged drawing in Fig. 1；

Fig. 5 is the portion the B enlarged drawing in Fig. 1；

Fig. 6 is the top view of the safety-type breathing extension tube of one kind of the utility model embodiment 2.

Wherein: 1- breathing helmet, 2- automatic release valve, 3- connecting tube, 4- rotary shaft, 5- buckle structure, 10- sputum suction hole, 11- Slip lid, 21- valve body, 22- partition, 23- pressure dam, 24- spring, 25- regulating part, 30- rotary joint, 31- flanging, 32- are convex Barring, 33- lubrication part, 34- sealing element, 51- lug boss, 52- clamping part, 53- hand push portion, 101- sputum suction hole closing structure, 250- through-hole, 251- release handle, 252- limit plate, 301- in-flanges.

Specific embodiment

With reference to embodiment, the technical solution of the utility model is described in further detail, but not structure Any restrictions of pairs of the utility model.

Embodiment 1

Shown in refering to fig. 1~5, a kind of safety-type breathing extension tube, including breathing helmet 1 and connecting tube 3, the two of connecting tube 3 End is respectively used to be connected to breathing circuit and breathing helmet 1, and one end of breathing helmet 1 is the company for being connected to patient artificial airway Connect end, the other end, which is equipped with, can hold the sputum suction hole 10 that sputum aspirator tube passes through, and breathing helmet 1, which is equipped with, can cover sputum suction hole 10 and can be to one The slip lid 11 that Slideslip is opened, connecting tube 3, which is equipped with, makes both connecting tube 3 and breathing circuits coaxial line arrangement and energy is opposite 360 ° of rotary joints 30 rotated freely.

In the utility model, the side between slip lid 11 and breathing helmet 1 is connected by rotary shaft 4, and the other side is equipped with can be right The buckle structure 5 that the two position is positioned, buckle structure 5 include that the clamping part 52 being arranged on slip lid 11 and setting are breathing Lug boss 51 on cap 1, clamping part 52 and lug boss 51 are adapted.

The connecting pin that breathing helmet 1 is connected to patient artificial airway is equipped with the rotational structure that can be freely rotated, the connecting pin Opening be equipped with and can be adapted to the double-layer structure of a variety of trachea cannulas for being placed in patient artificial airway one end or tracheal tube Connector.

A kind of safety-type breathing extension tube of the utility model will not be as existing using the slip lid 11 to side sliding opening Some sputum suction hole sealing covers are the same can to keep the close gas of sputum suction hole 10 because elasticity is rebounded influence operation, meanwhile, it connecting tube 3 and exhales The distortion power that the releasable breathing circuit of rotary joint 30 between suction machine pipeline generates, therefore, a kind of peace of the utility model Holotype breathing extension tube have the characteristics that air-tightness it is good, using it is safe, easy to operate, can be dust-proof.

In the utility model, sputum suction hole 10 is equipped with the sputum suction hole closing structure that can be closed automatically after sputum aspirator tube extraction 101.Sputum suction hole 10 by being equipped with sputum suction hole closing structure 101 can be opened when carrying out suction sputum operation to be adapted with sputum aspirator tube Hole and suction sputum after the completion of automatic closure keep the close gas of breathing helmet 1, the connection of patient and ventilator is kept with this.Therefore, this reality With the novel safety-type breathing extension tube of one kind have the characteristics that close gas it is good, using safe.

In the utility model, sputum suction hole closing structure 101 is the hemisphere planar sheet body to 1 inner recess of breathing helmet, suction sputum Hole closing structure 101 includes elastic piece, is equipped with the cross one another crack at least two centers in the middle part of elastic piece, adjacent on elastic piece Informal triangular structure is formed between two cracks.In the present embodiment, crack is two and is mutually perpendicular to, then informal triangle The quantity of structure is four.The quantity in crack may be three or more.Using the sputum suction hole closure of recess hemisphere planar sheet body Structure 101, also, the elastic piece of its four pieces of informal triangles seals against each other split, and the sputum suction hole 10 is made to be able to maintain close gas State and easy opening downwards.

In the utility model, the side between slip lid 11 and breathing helmet 1 is connected by rotary shaft 4, and the other side is equipped with can be right The buckle structure 5 that the two position is positioned, buckle structure 5 include be arranged on slip lid 11 clamping part 52, setting breathing Lug boss 51 on cap 1 and the hand push portion 53 being arranged on 11 outer edge of slip lid, clamping part 52 and lug boss 51 can be mutually clamped. By separating clamping part 52 with lug boss 51 to allow slip lid 11 to side sliding opening with hand push pushed section 53 of starting when operation, Have the characteristics that air-tightness is good, easy to operate.

In the utility model, one end of rotary joint 30 is breathing circuit connecting pin, the other end of rotary joint 30 with The rotatable engagement structure that makes the two coaxial line arrangement and opposite can rotate freely is equipped between connecting tube 3.Rotatable engagement structure packet The in-flanges 301 for including the flanging 31 that 3 one end of connecting tube is set and 30 one end of rotary joint being set, flanging 31 and varus Side 301 is adapted, and 3 side wall of connecting tube, which is equipped with, can withstand in-flanges 301 for connecting tube 3 and rotary joint 30 in the two extension side To the raised rib 32 for being mutually shifted limit.Be equipped between rotary joint 30 and connecting tube 3 is annular lubrication part 33 and sealing Part 34.Using the rotary joint 30 between connecting tube 3 and breathing circuit, making can be same between connecting tube 3 and breathing circuit 360 ° of axis rotate freely, also, play profit between rotary joint 30 and connecting tube 3 respectively by lubrication part 33 and sealing element 34 Sliding and close gas effect makes the safety-type breathing extension tube of one kind of the utility model can be to avoid because its torsion is to the artificial gas of patient The injury in road has the characteristics that using safe.

In the utility model, breathing helmet 1 or connecting tube 3 are equipped with automatic release valve 2, which includes hollow Valve body 21, valve body 21 is interior to be equipped with the partition 22 parallel with 21 1 transverse plane of valve body, two parts that valve body 21 is separated by partition 22 point Not Wei atmosphere end be connected to end with high pressure, high pressure is connected to end and is equipped with high pressure intercommunicating pore, and atmosphere end is equipped with air connectivity hole With the regulating mechanism for adjusting pressure release threshold value, regulating mechanism is connected with pressure dam 23, and partition 22 is equipped with suitable with 23 phase of pressure dam The relief hole matched.Using the automatic release valve 2 being arranged on the breathing helmet being connected to patient artificial airway 1, can go out in patient Automatic and quickly carry out pressure release, the injury for reducing the pain of patient, preventing hyperbar to patient when cough of now choking, also, in pressure release While keep ventilator to the oxygen supply of patient, there is the safety-type breathing extension tube of one kind of the utility model using pacifying Full feature.

In the utility model, regulating mechanism includes spring 24 and the regulating part that is threadedly engaged with the atmosphere end of valve body 21 25, in the middle part of the end face at 21 atmosphere end of valve body, regulating part 25 is located at one end outside valve body 21 and is equipped with adjusting regulating part 25 Handle 251, regulating part 25 are located at one end in valve body 21 equipped with limit plate 252, and the both ends of spring 24 are gentle with limit plate 252 respectively 23 phase of tamponade is fixed.Air connectivity hole is the through-hole 250 through 25 both ends of regulating part.Through-hole 250 as air connectivity hole is set It sets on regulating part 25, keeps the automatic release valve 2 on the breathing helmet 1 reliably to carry out pressure release and do not influence the jail of breathing helmet 1 Solidity.

In the utility model, pressure dam 23 is taper, and the relief hole of partition 22 is equipped with cone compatible with pressure dam 23 Face.The pressure dam 23 of taper can be preferably restored on the position of 22 relief hole of partition after the completion of flicking pressure release, and increase is closed Reliability when conjunction.

Embodiment 2

The embodiments of the present invention 2 as shown in fig.6, the embodiments of the present invention 2 and embodiment 1 are almost the same, Its difference is not set sputum suction hole closing structure 101 on sputum suction hole 10, and in use, sputum aspirator tube passes through the behaviour of sputum suction hole 10 Make front and back, to cover sputum suction hole 10 by the slip lid 11 on breathing helmet 1, one kind of the utility model embodiment 2 is safety-type to exhale Inhale extension tube equally have the characteristics that air-tightness it is good, using it is safe, easy to operate, can be dust-proof.

Above-described is only preferred embodiments of the present invention, it should be pointed out that is come for those skilled in the art It says, under the premise of not departing from the utility model structure, several deformations can also be made to this safety-type breathing extension tube and are changed Into these all will not influence the effect and patent practicability of the utility model implementation.

Claims (10)

1. a kind of safety-type breathing extension tube, including breathing helmet (1) and both ends are respectively used to and breathing circuit and breathing helmet (1) The connecting tube (3) of connection, which is characterized in that one end of the breathing helmet (1) is the company for being connected to patient artificial airway End is connect, the other end, which is equipped with, can hold the sputum suction hole (10) that sputum aspirator tube passes through, and the breathing helmet (1), which is equipped with, can cover the suction sputum Hole (10) and can be to the slip lid (11) of side sliding opening, the connecting tube (3), which is equipped with, makes connecting tube (3) and ventilator pipe Both roads coaxial line arrangement and the opposite 360 ° of rotary joints (30) rotated freely of energy.

2. a kind of safety-type breathing extension tube according to claim 1, which is characterized in that set on the sputum suction hole (10) There is the sputum suction hole closing structure (101) that can be closed automatically after sputum aspirator tube extraction.

3. a kind of safety-type breathing extension tube according to claim 2, which is characterized in that the sputum suction hole closing structure (101) include elastic piece, be equipped with the cross one another crack at least two centers in the middle part of elastic piece.

4. a kind of safety-type breathing extension tube according to claim 3, which is characterized in that the sputum suction hole closing structure It (101) is in sheet body to the hemisphere planar of breathing helmet (1) inner recess for its entirety.

5. a kind of safety-type breathing extension tube according to claim 1, which is characterized in that the slip lid (11) and breathing Side between cap (1) is connected by rotary shaft (4), the other side be equipped with can to the buckle structure (5) that the two position is positioned, The buckle structure (5) includes setting in the clamping part (52) on slip lid (11) and the lug boss being arranged on breathing helmet (1) (51), the clamping part (52) and lug boss (51) are adapted.

6. a kind of safety-type breathing extension tube according to claim 1, which is characterized in that the one of the rotary joint (30) End is breathing circuit connecting pin, and being equipped between the other end and the connecting tube (3) of the rotary joint (30) keeps the two same Axis arrangement and the rotatable engagement structure that opposite can be rotated freely.

7. a kind of safety-type breathing extension tube according to claim 6, which is characterized in that the rotatable engagement structure includes It is arranged in the flanging (31) of connecting tube (3) one end and setting in the in-flanges (301) of rotary joint (30) one end, described is outer Flange (31) is adapted with in-flanges (301), and the connecting tube (3) side wall, which is equipped with, can withstand in-flanges (301) for connection Pipe (3) and rotary joint (30) are mutually shifted the raised rib (32) of limit in the two extending direction.

8. a kind of safety-type breathing extension tube according to claim 6, which is characterized in that the rotary joint (30) with Be equipped between connecting tube (3) is annular lubrication part (33) and sealing element (34).

9. a kind of safety-type breathing extension tube according to claim 1, which is characterized in that the breathing helmet (1) connects It takes over (3) and is equipped with automatic release valve (2), which includes hollow valve body (21), is set in the valve body (21) There is the partition (22) parallel with (21) one transverse plane of valve body, two parts that the valve body (21) is separated by partition (22) are respectively big Gas connection end is connected to end with high pressure, and the high pressure connection end is equipped with high pressure intercommunicating pore, and the atmosphere end is equipped with atmosphere Intercommunicating pore and regulating mechanism for adjusting pressure release threshold value, the regulating mechanism are connected with pressure dam (23), the partition (22) compatible relief hole is equipped with pressure dam (23).

10. a kind of safety-type breathing extension tube according to claim 9, which is characterized in that the regulating mechanism includes Spring (24) and the regulating part (25) being threadedly engaged with the atmosphere end of the valve body (21), the regulating part (25) run through valve In the middle part of the end face at body (21) atmosphere end, the regulating part (25) is located at the one end of valve body (21) outside and is equipped with release handle (251), The regulating part (25) is located at one end in valve body (21) equipped with limit plate (252), the both ends of the spring (24) respectively with limit Position plate (252) is mutually fixed with pressure dam (23), and the air connectivity hole is the through-hole through the regulating part (25) both ends (250)。