CN208049160U - A kind of double-cavity bronchial cannula - Google Patents
A kind of double-cavity bronchial cannula Download PDFInfo
- Publication number
- CN208049160U CN208049160U CN201721921517.XU CN201721921517U CN208049160U CN 208049160 U CN208049160 U CN 208049160U CN 201721921517 U CN201721921517 U CN 201721921517U CN 208049160 U CN208049160 U CN 208049160U
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- China
- Prior art keywords
- airway
- extension tube
- way connection
- bronchial
- double
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 13
- 210000000621 bronchi Anatomy 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 14
- 241001631457 Cannula Species 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a kind of double-cavity bronchial cannulas, including airway, four-way connection and it is socketed on two extension tube attacheds of the four-way connection far from airway one end respectively, left airway and right airway are set as inside airway, left airway is connect with four-way connection respectively with one end of right airway, it is fixedly connected and communicates in the left airway other end and be provided with bronchial catheter, snorkel cuff is provided on airway, bronchial cuff is provided on bronchial catheter, it is provided between four-way connection and extension tube attached and extension tube attached is locked/unlocked in the limit assembly on four-way connection, it is separately provided in airway side wall to the first inflating catheter of snorkel sleeve bag gas-filling and the second inflating catheter for being inflated to bronchial cuff；By being equipped with limit assembly between four-way connection and extension tube attached, realizes and improve the stability connected between four-way connection and extension tube attached, prevent the effect to fall off.
Description
Technical field
The utility model is related to the field of medical instrument technology, more specifically, it relates to a kind of double-cavity bronchial cannula.
Background technology
Double-cavity bronchial cannula when in use, needs to be inserted into patient's trachea, the sides the sick side Fei Hejian lung of patient is separated, with
Prevent secretion and pathogen from sending out or occurring the danger of acute respiratory obstruction.It is mainly used for thoracic operation or urgent patient
Single lung independent synchronization or asynchronous bronchial cannula.
The Chinese patent of Publication No. CN205549179U discloses a kind of double-cavity bronchial cannula, including bronchus is led
Pipe, airway, extension tube attached, the first cuff, wire spring and connector；One end of airway and one end of bronchial catheter connect
It connects；The other end of airway is provided with four-way connection；The one end of four-way connection far from airway is provided with two extension tube attacheds；
The one end of extension tube attached far from airway is provided with connector；Wire spring is provided in bronchial catheter；Outside bronchial catheter
The first cuff is provided on wall；Bronchial catheter is not coaxially disposed with airway；It is provided on the side wall of airway and the
First inflating catheter of one cuff connection；The material of bronchial catheter, airway and extension tube attached is silica gel.
The utility model is by the way that by the setting of the first cuff, on bronchial catheter, and bronchial catheter and airway are not
Coaxially, that is to say, that the inlet end of cuff and airway is provided with angle；Wire spring is provided in bronchial catheter,
The bending for avoiding bronchial catheter reduces the obstruction of gas；The material of bronchial catheter, airway and extension tube attached is set
It is set to silica gel, bio-compatible performance is more preferable, and to the damage smaller of human body.But the utility model four-way connection and two it is external
Between pipe mainly by the frictional force between the inner face of the outer end face and four-way connection of the elasticity of extension tube attached and elastic tube into
Row plugged and fixed, this connection type are not sufficiently stable, easily fall off.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of double-cavity bronchial cannula, tool
It is improved the stability connected between four-way connection and extension tube attached, prevents the effect to fall off.
To achieve the above object, the utility model provides following technical solution：
A kind of double-cavity bronchial cannula, including airway, the four-way connection that is fixedly connected with airway one end and
It is socketed on two extension tube attacheds of described four-way connection principle airway one end respectively, left ventilation is set as inside the airway
Conduit and right airway, the left airway is connect with four-way connection respectively with one end of right airway, on the left side
The airway other end, which is fixedly connected and communicates, is provided with bronchial catheter, is provided on the airway for that will ventilate
Conduit is limited in the snorkel cuff in person's windpipe, is provided on the bronchial catheter for limiting bronchial catheter
Positioned at the intrabronchial bronchial cuff of human body, it is provided between the four-way connection and extension tube attached and extension tube attached is locked/unlocked
In the limit assembly on four-way connection, it is separately provided in the airway side wall to the of snorkel sleeve bag gas-filling
One inflating catheter and the second inflating catheter for being inflated to bronchial cuff.
So set, before being treated using double-cavity bronchial cannula, first pass through to the first inflating catheter and second
Inflating catheter is inflated, detect snorkel cuff and bronchial cuff whether gas leakage, used again after then deflating, with logical
When being inserted into required position of airway makes snorkel cuff by giving snorkel cuff and bronchial cuff to inflate
It can be limited in person's windpipe, bronchial cuff can be limited in human body bronchus；Made outside two by the way that four-way connection is arranged
Take over and be connected to respectively with left airway and right airway, convenient for by extension tube attached connect equipment ensure treatment it is effective into
Row；Extension tube attached is locked/unlocked in the limit group on four-way connection by being provided between the four-way connection and extension tube attached
Part so that connected between four-way connection and extension tube attached it is more secured, reach improve its connection stability, prevent the effect to fall off
Fruit.
Further setting：The limit assembly includes that limited block is equipped on the outer wall of the coupling, in the four-way
Be provided on the inner wall of connector the sliding slot one slided for limited block and with one vertically arranged sliding slot two of sliding slot, when locking described in
Limited block is connected in the sliding slot two.
So set, when limited block slides in sliding slot one, extension tube attached is inserted into four-way connection, as limited block slides
When to one bottom of sliding slot, by rotate extension tube attached make limited block slide on one vertically arranged sliding slot two of sliding slot, when locking
Limited block is connected in sliding slot two, is realized the effect of extension tube attached and four-way connection locking connection；When needing to unlock, pass through rotation
Extension tube attached enables limited block to slide in sliding slot one, and realizing can extract extension tube attached in the effect of four-way connection.
Further setting：It is arranged with sealing ring on one end port outer wall of the extension tube attached, in the four-way connection
The annular groove being clamped for sealing ring is provided on inner wall, the sealing ring is in interference fit in the annular groove.
It is set so set, being inserted into the sealing ring being equipped in four-way connection and when locking in extension tube attached and can excessively be matched with
The annular groove being clamped for sealing ring being placed on four-way connection inner wall, reaches and seals, prevents between extension tube attached and four-way connection
The effect of gas leakage.
Further setting：The spacing ring of limitation extension tube attached inserting depth is both provided on the outer wall of two extension tube attacheds,
And the interface of the spacing ring and the four-way connection contradicts when locking.
So set, when extension tube attached and four-way connection are carried out grafting, pass through the limit being provided on extension tube attached outer wall
Position ring can realize the effect of limitation extension tube attached inserting depth, and pass through the interface of spacing ring and four-way connection when judgement locking
It contradicts, you can rotate extension tube attached so that limited block is connected in sliding slot two, is reached outside being more easy to determine when to be rotated
Take over and limit the effect of extension tube attached insertion depth.
Further setting：One end of first inflating catheter is connected with the first Non-return air valve head, and second inflation is led
One end of pipe is connected with the second Non-return air valve head.
So set, when needing to be inflated to snorkel cuff and bronchial cuff, it is inserted into respectively by syringe
First Non-return air valve head and the second Non-return air valve head, gas is squeezed into the first inflating catheter by realization respectively and the second inflation is led
The effect of pipe.
Further setting：It is provided with first pressure on the first Non-return air valve head and shows ball, the first unidirectional gas
Valve pocket loaded on first pressure show ball in, be provided on the second Non-return air valve head second pressure show ball, described second
Non-return air valve headgear is shown loaded on second pressure in ball.
So set, during being inflated, by observing be set on the first Non-return air valve head first respectively
Pressure shows that ball and the second pressure being set on the second Non-return air valve head show ball, distinguishes snorkel cuff and bronchus
The effect whether cuff is full of；When first pressure shows that ball shows ball drum completely with second pressure, snorkel cuff and branch
Tracheal tampon machine realizes gassiness effect, reaches the effect convenient for air pressure in observation snorkel cuff and bronchial cuff
Fruit.
Further setting：It is both provided with label one on first inflating catheter and the first Non-return air valve head, described
Two inflating catheters and the second Non-return air valve head are provided with label two.
So set, when being treated using double-cavity bronchial cannula, by be arranged the label one being respectively arranged with
And label two, the effect for differentiating the first inflating catheter and the inflation of the second inflating catheter can be convenient for, prevented due to distinguishing mistake
Influence the progress of therapeutic process.
Further setting：Developing line is provided on the airway inner wall, and in the airway outer wall subscript
It is marked with length scale, the developing line is located at below scale.
So set, by being provided with developing line on airway inner wall, convenient for can effectively observe when in use
The depth being inserted into airway, is conducive to doctor and judges, avoid the generation of malpractice.
By using above-mentioned technical proposal, the utility model is compared compared with the prior art：By four-way connection with it is external
Be provided between pipe by extension tube attached in one's power/unlock in the limit assembly on four-way connection.
Description of the drawings
Fig. 1 is the overall structure front view of double-cavity bronchial cannula；
Fig. 2 is the sectional view of double-cavity bronchial cannula four-way connection and the overall structure front view of extension tube attached.
In figure：1, airway；11, left airway；12, right airway；2, four-way connection；3, extension tube attached；4, it props up
Tracheal catheter；5, snorkel cuff；51, the first inflating catheter；52, the first Non-return air valve head；53, first pressure shows ball；54,
Label one；6, bronchial cuff；61, the second inflating catheter；62, the second Non-return air valve head；63, second pressure shows ball；64, it marks
Label two；7, limit assembly；71, limited block；72, sliding slot one；73, sliding slot two；8, sealing ring；9, annular groove；10, spacing ring；
13, developing line；14, length scale.
Specific implementation mode
Double-cavity bronchial cannula is described further referring to figs. 1 to Fig. 2.
A kind of double-cavity bronchial cannula, as shown in Figure 1, including airway 1, being fixedly connected with 1 one end of airway
Four-way connection 2 and it is socketed on two extension tube attacheds 3 of the four-way connection 2 far from 1 one end of airway respectively.It is set inside airway 1
Be set to left airway 11 and right airway 12, left airway 11 and 12 one end of right airway respectively with four-way connection 2
Connection.It is fixedly connected with and is communicated the bronchial catheter 4 of setting in 11 other end of left airway, is provided on airway 1
Snorkel cuff 5 for being limited in airway 1 in person's windpipe is provided on bronchial catheter 4 and is used for branch gas
Pipe conduit 4 is limited in the intrabronchial bronchial cuff of human body 6.
As shown in Figure 1, being separately provided for the first inflation inflated to snorkel cuff 5 in 1 side wall of airway
Conduit 51 and the second inflating catheter 61 for being inflated to bronchial cuff 6.One end of first inflating catheter 51 is connected with
One end of one Non-return air valve head 52, the second inflating catheter 61 is connected with the second Non-return air valve head 62.In the first Non-return air valve head 52
On be provided with first pressure and show that ball 53, the first Non-return air valve head 52 are set in first pressure and show in ball 53, it is unidirectional second
It is provided with second pressure on air valve head 62 and shows that ball 63, the second Non-return air valve head 62 are set in second pressure and show in ball 63.The
Label 1 is both provided on one inflating catheter 51 and the first Non-return air valve head 52, the second inflating catheter 61 and second is unidirectional
Air valve head 62 is provided with label 2 64.
As depicted in figs. 1 and 2, it is provided between four-way connection 2 and extension tube attached 3 and extension tube attached 3 is locked/unlocked in four-way
Limit assembly 7 on connector 2.Limit assembly 7 includes that limited block 71 is equipped on the outer wall of coupling, in four-way connection 2
Be provided on wall the sliding slot 1 slided for limited block 71 and with one 72 vertically arranged sliding slot 2 73 of sliding slot, when locking limits
Block 71 is connected in sliding slot 2 73.
It is limited when being both provided with the spacing ring 10 of limitation 3 inserting depth of extension tube attached on the outer wall of two extension tube attacheds 3, and locking
Ring 10 and the interface of four-way connection 2 contradict.
As shown in Fig. 2, sealing ring 8 is arranged on one end port outer wall of extension tube attached 3, on the inner wall of four-way connection 2
It is provided with the annular groove 9 being clamped for sealing ring 8, sealing ring 8 is in interference fit in the annular groove 9.
As shown in Figure 1, being provided with developing line 13 on 1 inner wall of airway, and length is labeled on 1 outer wall of airway
Scale 14 is spent, developing line 13 is located at below scale.
Operation principle：Before being treated using double-cavity bronchial cannula, first pass through to the first inflating catheter 51 and
Two inflating catheters 61 are inflated, detection snorkel cuff 5 and bronchial cuff 6 whether gas leakage, used again after then deflating,
As airway 1 is when being inserted into required position, made by giving snorkel cuff 5 and bronchial cuff 6 to inflate
Snorkel cuff 5 can be limited in person's windpipe, bronchial cuff 6 can be limited in human body bronchus.By the way that four-way is arranged
Connector 2 makes two extension tube attacheds 3 be connected to respectively with left airway 11 and right airway 12, is connected convenient for passing through extension tube attached 3
Equipment ensures effective progress for the treatment of.During extension tube attached 3 is plugged on four-way connection 2, by by the outer wall of extension tube attached 3
The limited block 71 being equipped with is sheathed on when limited block 71 slides into one 72 bottom of sliding slot in extension tube attached 3 in alignment with sliding slot 1
8 interference of sealing ring be embedded in annular groove 9.By rotating extension tube attached 3 limited block 71 is slided in sliding slot 2 73, locks
The spacing ring 10 that limited block 71 is connected in sliding slot 2 73, and is set on 3 outer wall of extension tube attached when tight is contradicted with four-way connection 2,
So that connecting more secured between four-way connection 2 and extension tube attached 3, reaches and improve the stability of its connection, prevent from falling off
Effect.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of double-cavity bronchial cannula, including airway（1）With airway（1）The four-way connection that one end is fixedly connected
（2）And it is socketed on the four-way connection respectively（2）Far from airway（1）Two extension tube attacheds of one end（3）, the airway
（1）Inside is set as left airway（11）With right airway（12）, the left airway（11）With right airway
（12）One end respectively with four-way connection（2）Connection, in the left airway（11）The other end is fixedly connected and communicates setting
There is bronchial catheter（4）, in the airway（1）On be provided with for by airway（1）It is limited in person's windpipe
Snorkel cuff（5）, in the bronchial catheter（4）On be provided with for by bronchial catheter（4）It is limited in human body bronchus
Interior bronchial cuff（6）, it is characterised in that：The four-way connection（2）With extension tube attached（3）Between be provided with extension tube attached（3）
It locks/unlocks in four-way connection（2）On limit assembly（7）, in the airway（1）Be separately provided in side wall to
Snorkel cuff（5）First inflating catheter of inflation（51）And for bronchial cuff（6）Second inflating catheter of inflation
（61）.
2. a kind of double-cavity bronchial cannula according to claim 1, it is characterised in that：The limit assembly（7）It is included in
The extension tube attached（3）Outer wall be equipped with limited block（71）, in the four-way connection（2）Inner wall on be provided with for limited block
（71）The sliding slot one of sliding（72）And with sliding slot one（72）Vertically arranged sliding slot two（73）, when locking the limited block（71）
It is connected in the sliding slot two（73）It is interior.
3. a kind of double-cavity bronchial cannula according to claim 2, it is characterised in that：In the extension tube attached（3）One end
Sealing ring is arranged on port outer wall（8）, in the four-way connection（2）Inner wall on be provided with for sealing ring（8）The ring of clamping
Connected in star（9）, the sealing ring（8）In interference fit with the annular groove（9）It is interior.
4. a kind of double-cavity bronchial cannula according to claim 3, it is characterised in that：In two extension tube attacheds（3）It is outer
Limitation extension tube attached is both provided on wall（3）The spacing ring of inserting depth（10）, and spacing ring when locking（10）With described four
Pass joint（2）Interface contradict.
5. a kind of double-cavity bronchial cannula according to claim 1, it is characterised in that：First inflating catheter（51）'s
One end is connected with the first Non-return air valve head（52）, second inflating catheter（61）One end be connected with the second Non-return air valve head
（62）.
6. a kind of double-cavity bronchial cannula according to claim 5, it is characterised in that：In the first Non-return air valve head
（52）On be provided with first pressure show ball（53）, the first Non-return air valve head（52）It is set in first pressure and shows ball（53）
It is interior, in the second Non-return air valve head（62）On be provided with second pressure show ball（63）, the second Non-return air valve head（62）
It is set in second pressure and shows ball（63）It is interior.
7. a kind of double-cavity bronchial cannula according to claim 6, it is characterised in that：First inflating catheter（51）With
And the first Non-return air valve head（52）On be both provided with label one（54）, second inflating catheter（61）And second Non-return air valve
Head（62）It is provided with label two（64）.
8. a kind of double-cavity bronchial cannula according to claim 1, it is characterised in that：In the airway（1）Inner wall
On be provided with developing line（13）, and in the airway（1）Length scale is labeled on outer wall（14）, the developing line（13）
Below scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721921517.XU CN208049160U (en) | 2017-12-29 | 2017-12-29 | A kind of double-cavity bronchial cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721921517.XU CN208049160U (en) | 2017-12-29 | 2017-12-29 | A kind of double-cavity bronchial cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208049160U true CN208049160U (en) | 2018-11-06 |
Family
ID=63994759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721921517.XU Expired - Fee Related CN208049160U (en) | 2017-12-29 | 2017-12-29 | A kind of double-cavity bronchial cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208049160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111166998A (en) * | 2020-01-30 | 2020-05-19 | 江苏省人民医院（南京医科大学第一附属医院） | Novel multifunctional bronchus ventilation and plugging tube |
-
2017
- 2017-12-29 CN CN201721921517.XU patent/CN208049160U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111166998A (en) * | 2020-01-30 | 2020-05-19 | 江苏省人民医院（南京医科大学第一附属医院） | Novel multifunctional bronchus ventilation and plugging tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 |