CN208525607U - A kind of distensible two-chamber trachea catheter for baby - Google Patents
A kind of distensible two-chamber trachea catheter for baby Download PDFInfo
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- CN208525607U CN208525607U CN201721195429.6U CN201721195429U CN208525607U CN 208525607 U CN208525607 U CN 208525607U CN 201721195429 U CN201721195429 U CN 201721195429U CN 208525607 U CN208525607 U CN 208525607U
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- catheter body
- catheter
- air bag
- baby
- distensible
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Abstract
The utility model discloses a kind of distensible two-chamber trachea catheter for baby, including catheter body, the catheter body tube wall is spliced to form by basic courses department and the pars contractilis concentric with basic courses department；The catheter body inner cavity is equipped with elastic diaphragm in the pipe being connected with catheter body inner wall, and elastic diaphragm extends at ontology side opening from catheter body rear end in the pipe is divided into two independent chambers for catheter body inner cavity.The utility model devises the catheter body being made of pars contractilis and basic courses department, and pars contractilis energy lateral magnification after the inflation of the charge valve of its connection increases tracheal catheter caliber, is thus suitable for the difference of all ages and classes children with tracheal size, respiratory resistance when reducing ventilation；Furthermore catheter body inner wall is also provided with elastic diaphragm in pipe, and when double-lumen ventilation, diaphragm pressure at both sides is identical, and diaphragm is located at centre；Ventilation lateral pressure is big compared with opposite side when the ventilation of unilateral side, and diaphragm can be convex to non-through gas side, to increase ventilation side pipe diameter, reduces respiratory resistance when ventilation.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of double-lumen catheter.
Background technique
In clinical thoracic surgery, need it is selective carry out strong side pulmonary ventilation, can prevent in this way Ipsilateral lung blood or
It is that secretion flows to strong side lung, provides an opposing stationary visual area for surgical operation, be conducive to operation and carry out.It answers extensively at present
Dual cavity bronchus vessel kind for clinical one-lung ventilation is more, mainly there is tri- type of Carlen, White and Robertshaw
Type；Design principle is essentially identical, is two chamber of a pipe, and an opening is located at the distal end of conduit, another opening is located at main branch gas
Pipe, is separately installed with air bag in tracheae and main bronchus position.The double channel catheter of this design is true since lumen diameter is fixed
Smooth ventilation is protected, so general conduit caliber is thicker.But children with tracheal is thinner, therefore double channel catheter in the prior art is few
It is suitble to the model of children's application.In addition, existing double-lumen catheter will distinguish left and right bronchial cannula in catheterization procedure, give
Clinical use brings many inconvenience.
Summary of the invention
The utility model provides a kind of two-chamber trachea catheter for baby to solve the problems, such as children's one-lung ventilation.The conduit
Lumen can suitably be adjusted according to children with tracheal size when ventilation, be may make the caliber of ventilation side to expand by elastic diaphragm, subtracted
Small respiratory resistance, it is ensured that the ventilation smooth ventilation in side.
The purpose of the utility model is achieved through the following technical solutions:
A kind of distensible two-chamber trachea catheter for baby, including catheter body, before the front end of the catheter body offers
End opening, rear end are connected with connection tube；Supervisor's air bag and frontal air bag are provided on the periphery of the catheter body, described
Ontology side opening is offered in catheter body where between supervisor's air bag and frontal air bag；Innovation is, the catheter body
Tube wall is spliced to form by the basic courses department and the pars contractilis concentric with basic courses department for being combined into a complete circle；The conduit sheet
Intracoelomic cavity is equipped with elastic diaphragm in the pipe being connected with catheter body inner wall, and elastic diaphragm prolongs from catheter body rear end in the pipe
It extends to and catheter body inner cavity is divided into two independent chambers at ontology side opening.
Further, the pars contractilis is connected with the pars contractilis charge valve that catheter body rear end is arranged in.Pars contractilis fills
Air valve is used to orient the inflation/deflation of pars contractilis, and after orientation pars contractilis inflation, circumferential size changes, to drive conduit sheet
The diameter of body changes.
Further, elastic diaphragm side is connected to pars contractilis inner wall in the pipe, and side is connected to basic courses department's inner wall.
Further, elastic diaphragm passes through catheter body axis under two-chamber trachea catheter for baby unused state in the pipe
The heart.
Further, oval foramen is offered between frontal air bag and catheter proximal end opening in the catheter body；It is described
Oval foramen is provided in basic courses department.
Further, the ontology side opening is provided in basic courses department.
Further, supervisor's air bag is connected with supervisor's air chamber gas charging valve；The frontal air bag is filled with frontal air bag
Air valve is connected；It is responsible for air chamber gas charging valve to be used for supervisor's air bag inflation/deflation, frontal air bag charge valve is for filling frontal air bag
It deflates.
The beneficial effects of the utility model are:
1, the utility model devises the catheter body being made of pars contractilis and basic courses department, the inflation that pars contractilis is connected through it
Energy lateral magnification, increases tracheal catheter caliber, is thus suitable for the difference of all ages and classes children with tracheal size after valve inflation, reduces
Respiratory resistance when ventilation.
2, the utility model elastic diaphragm in catheter body inner wall is provided with and manages, in double-lumen ventilation, two side pressure of diaphragm
Power is identical, and diaphragm is located at centre；In unilateral side, ventilation lateral pressure is big compared with opposite side when ventilation, and diaphragm can be convex to non-through gas side, to increase
Add ventilation side pipe diameter, reduces respiratory resistance when ventilation.
3, no matter catheter tip opening is inserted into left principal bronchus or right main branch to double-lumen catheter in actual use
Tracheae, cooperate supervisor's air bag and frontal air bag simultaneously by adjusting the direction of ontology side opening and depth and can be achieved to left lung or
The independent ventilation of person's right lung.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
The front view of Fig. 2 Fig. 1；
Fig. 3 is the A-A of Fig. 2 to cross-section diagram；
Fig. 4 is the B-B direction cross-section diagram of Fig. 2；
Fig. 5 is the C-C of Fig. 2 to cross-section diagram；
Fig. 6 is the D-D of Fig. 2 to cross-section diagram；
In figure: 1, catheter body, 10, ontology side opening, 11, oval foramen, 12, catheter proximal end opening, 2, supervisor's air bag, 20,
Supervisor's air chamber gas charging valve, 3, frontal air bag, 30, frontal air bag charge valve, 4, the interior elastic diaphragm of pipe, 5, connection tube, 6, pars contractilis,
60, pars contractilis charge valve, 7, basic courses department.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawing.
Such as FIG. 1 to FIG. 6, present embodiment discloses a kind of distensible two-chamber trachea catheter for babies, are mainly used as children's gas
Pipe air guide is used, comprising:
Catheter body 1, the catheter body 1 are round tube, and supervisor's air bag 2 and frontal air bag 3, institute are provided on periphery
It states supervisor's air bag 2 to be connected with supervisor's air chamber gas charging valve 20, supervisor's air chamber gas charging valve 20 is used for supervisor's 2 inflation/deflation of air bag；Institute
It states frontal air bag 3 to be connected with frontal air bag charge valve 30, frontal air bag charge valve 30 is used for 3 inflation/deflation of frontal air bag；
It is provided in catheter body 1 and is located at the ontology side opening 10 being responsible between air bag 2 and frontal air bag 3, described
Side hole 10 is provided with the opposite side of catheter proximal end opening 12, and the two is separated by 180 degree, corresponding with the left lung of children, right lung position.
The catheter body 1 is spliced by arc basic courses department 7 and with the arc pars contractilis 6 of arc basic courses department 7 concentric setting
It constitutes, the arc pars contractilis 6 and arc the basic courses department 7 fan-shaped ring structure on the cross section perpendicular to 1 axis of catheter body,
Two eccentric circular rings may make up a complete sealed circular ring.1 inner cavity of catheter body is equipped with to be connected with 1 inner wall of catheter body
Pipe in elastic diaphragm 4, elastic diaphragm 4 extends at ontology side opening 10 from 1 rear end of catheter body by catheter body 1 in the pipe
Inner cavity is divided into two independent chambers.
The pars contractilis 6 is connected with the pars contractilis charge valve 60 that 1 rear end of catheter body is arranged in.Pars contractilis charge valve 60
It is thus big to adapt to the tracheae of all ages and classes children for realizing the expansion and contraction of pars contractilis 6 to 6 inflation/deflation of pars contractilis
It is small.
Manage in elastic diaphragm 4 be used for by 1 inner cavity of catheter body be divided into two it is isolated from one another, mutually disconnected chambers, one
Chamber catheter proximal end opening 12 to connection tube 5 a bifurcated pipe, another chamber ontology side opening 10 to connection tube 5 it is another
One bifurcated pipe, thus constitutes double channel catheter.As a preferred embodiment, 4 side of elastic diaphragm is connected in orientation pars contractilis 6 in managing
Wall, the other side are connected to 7 inner wall of conduit principal part.
Oval foramen 11, the oval are offered between frontal air bag 3 and catheter proximal end opening 12 in the catheter body 1
Hole 11 is provided in basic courses department 7.As a preferred embodiment, on 7 on the basis of ontology side opening 10 is also provided with.
The energy lateral magnification after the inflation of the charge valve of its connection of the arc pars contractilis 6 of the utility model design, increases tracheae
Thus conduit caliber is suitable for the difference of all ages and classes children with tracheal size, respiratory resistance when reducing ventilation.Simultaneously in conduit sheet
1 inner wall of body, which is provided with, manages interior elastic diaphragm 4, and in double-lumen ventilation, diaphragm pressure at both sides is identical, and diaphragm is located at centre；In unilateral side
Ventilating when ventilation, lateral pressure is big compared with opposite side, and diaphragm can be convex to non-through gas side, thus increase ventilation side pipe diameter, when reducing ventilation
Respiratory resistance.
Arc pars contractilis 6 described in the utility model is similar and bellows structure, basic courses department 7 then use existing medical
Tracheae, the i.e. salable tube wall for constituting catheter body 1 after the two splicing.
Above-described embodiment is the preferred embodiment of the utility model, is not the limit to technical solutions of the utility model
System, as long as being regarded as falling into without the technical solution that creative work can be realized on the basis of the above embodiments
In the rights protection scope of the utility model patent.
Claims (8)
1. the front end of a kind of distensible two-chamber trachea catheter for baby, including catheter body (1), the catheter body (1) opens up
Have front opening (12), rear end is connected with connection tube (5)；Be provided on the periphery of the catheter body supervisor air bag (2) and
Frontal air bag (3) offers ontology side opening in catheter body (1) where between supervisor's air bag (2) and frontal air bag (3)
(10)；It is characterized in that, catheter body (1) tube wall by be combined into a complete circle basic courses department (7) and with basis
The concentric pars contractilis (6) in portion (7) is spliced to form；Catheter body (1) inner cavity is equipped with to be connected with catheter body (1) inner wall
Pipe in elastic diaphragm (4), extend at ontology side opening (10) from catheter body (1) rear end will for elastic diaphragm (4) in the pipe
Catheter body (1) inner cavity is divided into two independent chambers.
2. a kind of distensible two-chamber trachea catheter for baby as described in claim 1, which is characterized in that the pars contractilis (6)
Pars contractilis charge valve (60) with setting in catheter body (1) rear end is connected.
3. a kind of distensible two-chamber trachea catheter for baby as claimed in claim 1 or 2, which is characterized in that bullet in the pipe
Property diaphragm (4) side is connected to pars contractilis (6) inner wall, and side is connected to basic courses department (7) inner wall.
4. a kind of distensible two-chamber trachea catheter for baby as claimed in claim 3, which is characterized in that in the pipe elasticity every
Film (4) passes through catheter body (1) axle center.
5. a kind of distensible two-chamber trachea catheter for baby as claimed in claim 1 or 2, which is characterized in that the conduit sheet
Oval foramen (11) are offered between frontal air bag (3) and catheter proximal end opening (12) on body (1).
6. a kind of distensible two-chamber trachea catheter for baby as claimed in claim 5, which is characterized in that the oval foramen (11)
It is provided on basic courses department (7).
7. a kind of distensible two-chamber trachea catheter for baby as described in claim 1, which is characterized in that the ontology side opening
(10) it is provided on basic courses department (7).
8. a kind of distensible two-chamber trachea catheter for baby as described in claim 1, which is characterized in that supervisor's air bag
(2) it is connected with supervisor air chamber gas charging valve (20)；The frontal air bag (3) is connected with frontal air bag charge valve (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195429.6U CN208525607U (en) | 2017-09-18 | 2017-09-18 | A kind of distensible two-chamber trachea catheter for baby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195429.6U CN208525607U (en) | 2017-09-18 | 2017-09-18 | A kind of distensible two-chamber trachea catheter for baby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208525607U true CN208525607U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721195429.6U Active CN208525607U (en) | 2017-09-18 | 2017-09-18 | A kind of distensible two-chamber trachea catheter for baby |
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| CN (1) | CN208525607U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632243A (en) * | 2020-04-24 | 2020-09-08 | 曾兴强 | Contraction type tracheal catheter |
| CN115300740A (en) * | 2022-07-07 | 2022-11-08 | 香港大学深圳医院 | Universal trachea cannula and air pressure control method thereof |
-
2017
- 2017-09-18 CN CN201721195429.6U patent/CN208525607U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632243A (en) * | 2020-04-24 | 2020-09-08 | 曾兴强 | Contraction type tracheal catheter |
| CN111632243B (en) * | 2020-04-24 | 2023-01-31 | 曾兴强 | Contraction type tracheal catheter |
| CN115300740A (en) * | 2022-07-07 | 2022-11-08 | 香港大学深圳医院 | Universal trachea cannula and air pressure control method thereof |
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