CN203355074U - Pressure control type tracheal catheter - Google Patents
Pressure control type tracheal catheter Download PDFInfo
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- CN203355074U CN203355074U CN 201320412979 CN201320412979U CN203355074U CN 203355074 U CN203355074 U CN 203355074U CN 201320412979 CN201320412979 CN 201320412979 CN 201320412979 U CN201320412979 U CN 201320412979U CN 203355074 U CN203355074 U CN 203355074U
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Abstract
The utility model discloses a pressure control type tracheal catheter which comprises an air guide tube, a sleeve bag, an inflation tube, a branch tube, an air injection connector and a pressure-limiting valve. The air guide tube is sleeved with the sleeve bag. One end of the inflation tube is fixed in the sleeve bag. One end of the branch tube is connected to the side wall of the inflation tube. The air injection connector is mounted at the other end of the branch tube. The pressure-limiting valve comprises a container and an elastic piece. The container is fixed to the other end of the inflation tube. The container is provided with an opening and at least one exhaust hole, wherein the container is communicated with the inflation tube through the opening, and the distance between the exhaust hole and the opening is a preset distance value. The elastic piece is accommodated in the container. A sealing element is fixed at one end of the elastic piece and clamped in the container. The sealing element faces towards the opening. The other end of the elastic piece is in the direction opposite to the opening and is fixed on the container. The initial position of the sealing element is located between the opening and the exhaust hole. An airtight space is formed between the sealing element and the opening. By means of the pressure control type tracheal catheter, the pressure of the sleeve bag can be maintained at an appropriate level, and therefore the situation that air in a trachea is leaked or tracheal mucosa is damaged is avoided.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically a kind of controlled-pressure type trachea catheter that can control the cover intraluminal pressure.
Background technology
When clinical anesthesia or first aid, after the tracheal intubation success, need to the cuff of endotracheal tube, be inflated with syringe, to avoid, in air flue, gas is from overflowing between conduit and tracheal wall and preventing that vomitus, blood and oral secretion from flowing into trachea, and the cuff of endotracheal tube need to keep suitable pressure (15cmH
2o～25cmH
2o).The defect of this inflation method is: the pressure in cuff is only with doctor's experience and sensation judgement, can't Accurate Determining; When the pressure of cuff is inadequate, in trachea, gas can be leaked to from the conduit outside externally, causes tidal volume not or anesthetic gases leakage or vomitus, blood or oral secretion flow into the phenomenons such as trachea; When the pressure of cuff is excessive, can cause tissue ischemia, congestion, edema, even can make tracheal wall necrosis, erosion, massive hemorrhage or perforation.
The utility model content
The purpose of this utility model is to provide a kind of novel controlled-pressure type trachea catheter for there being above-mentioned defect in prior art, and it is simple and reasonable for structure, easy to operate; And can make cuff pressure remain on proper level, avoid causing gas leakage or tunica mucosa tracheae damage in trachea.
This utility model is achieved in that controlled-pressure type trachea catheter, and it comprises: airway;
Cuff, it is set on this airway;
Gas tube, the one end is fixed in this cuff and communicates with this cuff;
Arm, the one end is connected on the sidewall of this gas tube and communicates with this gas tube;
Gas injection joint, its be arranged on this arm the other end and can be to this arm gas injection;
Pressure limiting valve, it comprises:
Container, the other end of itself and this gas tube is fixed, and this container offers the opening that this container of confession is communicated with this gas tube, and this container also offers at least one steam vent, and the distance of this at least one steam vent and this opening is a preset distance value;
Elastic component, it is housed in this container, one end of this elastic component is fixed with sealing member, the shape of the seal is identical with the shape of cross section of this container and can be sticked in this container, the seal is towards this opening, the other end of this elastic component is this opening being fixed on this container dorsad, and the initial position of the seal, between this opening and this at least one steam vent, forms confined space between the seal and this opening.
This utility model also provides another kind of controlled-pressure type trachea catheter, and it comprises:
Airway;
Cuff, it is set on this airway;
Gas tube, the one end is fixed on this cuff and with this cuff and communicates, its other end bifurcated and form the first arm and the second arm;
Gas injection joint, it is arranged on the end of this first arm this first arm gas injection;
Pressure limiting valve, it comprises:
Container, it is arranged on the end of this second arm, and this container offers the opening that this container of confession is communicated with this second arm, and this container also offers at least one steam vent, and the distance of this at least one steam vent and this opening is a preset distance value;
Elastic component, it is housed in this container, one end of this elastic component is fixed with sealing member, the shape of the seal is identical with the shape of cross section of this container and can be sticked in this container, the seal is towards this opening, the other end of this elastic component is this opening being fixed on this container dorsad, and the initial position of the seal, between this opening and this at least one steam vent, forms confined space between the seal and this opening.
This utility model also provides another controlled-pressure type trachea catheter, and it comprises:
Airway;
Cuff, it is set on this airway;
Gas tube, the one end is fixed in this cuff and communicates with this cuff;
The first arm, the second arm, an end of this first arm, an end of this second arm are arranged on respectively the other end of this gas tube, and this first arm, this second arm, this gas tube are communicated with;
Gas injection joint, its other end that is arranged on this first arm is to this first arm gas injection;
Pressure limiting valve, it comprises:
Container, it is arranged on the other end of this second arm, and this container offers the opening that this container of confession is communicated with this second arm, and this container also offers at least one steam vent, and the distance of this at least one steam vent and this opening is a preset distance value;
Elastic component, it is housed in this container, one end of this elastic component is fixed with sealing member, the shape of the seal is identical with the shape of cross section of this container and can be sticked in this container, the seal is towards this opening, the other end of this elastic component is this opening being fixed on this container dorsad, and the initial position of the seal, between this opening and this at least one steam vent, forms confined space between the seal and this opening.
As the further improvement of above-mentioned arbitrary controlled-pressure type trachea catheter, this elastic component is spring.
As the further improvement of above-mentioned arbitrary controlled-pressure type trachea catheter, this container is cylindrical shape.
As the further improvement of above-mentioned arbitrary controlled-pressure type trachea catheter, this controlled-pressure type trachea catheter also comprises catheter adapter, and this catheter adapter is fixed on an end of this airway.
As the further improvement of above-mentioned arbitrary controlled-pressure type trachea catheter, being shaped as of this steam vent is circular, square, a kind of in rhombus.
As the further improvement of above-mentioned arbitrary controlled-pressure type trachea catheter, the seal is piston.
As the further improvement of above-mentioned arbitrary controlled-pressure type trachea catheter, this container is transparence.
As the further improvement of above-mentioned arbitrary controlled-pressure type trachea catheter, the seal is sealing rubber ring.
This utility model compared with prior art, advantage is: this utility model is divided into the inflating catheter of original pipe conduit two branch roads (i.e. two arms) and connects respectively gas injection joint and pressure limiting valve, after the intubate success, only need to cuff, be inflated with syringe, make air enter the cuff of endotracheal tube front end, pressure in cuff can be indicated by pressure limiting valve simultaneously, and unnecessary gas can be discharged automatically by pressure limiting valve both sides steam vent.After being used to complete, the gas in cuff can directly be discharged via gas injection joint, whole simple, convenient and time saving and energy saving.This utility model is simple and reasonable for structure, can support the use with various anesthetic machines and respirator, has application prospect preferably.
The accompanying drawing explanation
The structural representation of the controlled-pressure type trachea catheter that Fig. 1 provides for this utility model better embodiment.
The cross-sectional schematic that Fig. 2 is the pressure limiting valve of controlled-pressure type trachea catheter in Fig. 1.
Main symbol description: airway 1, gas tube 2, cuff 3, catheter adapter 4, pressure limiting valve 5, gas injection joint 6, arm 7, container 8, elastic component 9, opening 10, steam vent 11, sealing member 12, confined space 13.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, and be not used in restriction this utility model.
Refer to Fig. 1, the controlled-pressure type trachea catheter that this utility model better embodiment provides comprises airway 1, gas tube 2, cuff 3, catheter adapter 4, pressure limiting valve 5, gas injection joint 6, arm 7.Pressure limiting valve 5 comprises container 8, elastic component 9, please in conjunction with Fig. 2.
Container 8 is fixed with the other end of this gas tube 2, and container 8 offers the opening 10 that this container 8 of a confession is communicated with this gas tube 2, and the both sides of this container 8 also offer steam vent 11, and this steam vent 11 is a preset distance value with the distance of this opening 10.For the ease of observing, container 8 can be transparence, and the lateral wall of container 8 can also arrange indicating graduation.
The seal 12 is forced to away from this opening 10 and makes this elastic component 9 that deformation occur when these confined space 13 internal pressures increase, this confined space 13 space thus becomes large, this confined space 13 is when being communicated with this steam vent 11, this 13 space, password protection space remains unchanged, when the pressure in this confined space 13 progressively restores to the original state, the deformation power that this elastic component 9 relies on deformation to produce progressively makes the seal 12 reset.The seal 12 is piston in the present embodiment, in other embodiments, can also be sealing rubber ring.
During clinical practice, after airway 1 intubate success, by the syringe (not shown), by 6 pairs of cuffs 3 of gas injection joint, inflated, air is entered in the cuff 3 of airway 1 front end, pressure in cuff 3 can be indicated by the container 8 outer wall indicating graduations of pressure limiting valve 5 simultaneously, unnecessary gas can be discharged automatically by pressure limiting valve 5 both sides steam vents 11, in conjunction with indicating graduation and steam vent 11, the pressure in cuff 3 can be controlled to proper level.At N
2during the O general anesthesia, due to N
2o can slowly see through cuff 3 walls, and cuff 3 internal pressures can increase gradually, when cuff 3 internal pressures surpass restriction pressure, can automatically discharge by pressure limiting valve 5 both sides steam vents 11, thereby avoid the pressure in cuff 3 excessive.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. controlled-pressure type trachea catheter, it comprises:
Airway;
Cuff, it is set on this airway;
Gas tube, the one end is fixed in this cuff and communicates with this cuff;
Arm, the one end is connected on the sidewall of this gas tube and communicates with this gas tube;
Gas injection joint, its be arranged on this arm the other end and can be to this arm gas injection;
It is characterized in that:
This controlled-pressure type trachea catheter also comprises pressure limiting valve, and this pressure limiting valve comprises:
Container, the other end of itself and this gas tube is fixed, and this container offers the opening that this container of confession is communicated with this gas tube, and this container also offers at least one steam vent, and the distance of this at least one steam vent and this opening is a preset distance value;
Elastic component, it is housed in this container, one end of this elastic component is fixed with sealing member, the shape of the seal is identical with the shape of cross section of this container and can be sticked in this container, the seal is towards this opening, the other end of this elastic component is this opening being fixed on this container dorsad, and the initial position of the seal, between this opening and this at least one steam vent, forms confined space between the seal and this opening.
2. controlled-pressure type trachea catheter, it comprises:
Airway;
Cuff, it is set on this airway;
Gas tube, the one end is fixed in this cuff and communicates with this cuff, its other end bifurcated and form the first arm and the second arm;
Gas injection joint, it is arranged on the end of this first arm this first arm gas injection;
It is characterized in that:
This controlled-pressure type trachea catheter also comprises pressure limiting valve, and this pressure limiting valve comprises:
Container, it is arranged on the end of this second arm, and this container offers the opening that this container of confession is communicated with this second arm, and this container also offers at least one steam vent, and the distance of this at least one steam vent and this opening is a preset distance value;
Elastic component, it is housed in this container, one end of this elastic component is fixed with sealing member, the shape of the seal is identical with the shape of cross section of this container and can be sticked in this container, the seal is towards this opening, the other end of this elastic component is this opening being fixed on this container dorsad, and the initial position of the seal, between this opening and this at least one steam vent, forms confined space between the seal and this opening.
3. controlled-pressure type trachea catheter, it comprises:
Airway;
Cuff, it is set on this airway;
Gas tube, the one end is fixed in this cuff and communicates with this cuff;
The first arm, the second arm, an end of this first arm, an end of this second arm are arranged on respectively the other end of this gas tube, and this first arm, this second arm, this gas tube are communicated with;
Gas injection joint, its other end that is arranged on this first arm is to this first arm gas injection;
It is characterized in that:
This controlled-pressure type trachea catheter also comprises pressure limiting valve, and this pressure limiting valve comprises:
Container, it is arranged on the other end of this second arm, and this container offers the opening that this container of confession is communicated with this second arm, and this container also offers at least one steam vent, and the distance of this at least one steam vent and this opening is a preset distance value;
Elastic component, it is housed in this container, one end of this elastic component is fixed with sealing member, the shape of the seal is identical with the shape of cross section of this container and can be sticked in this container, the seal is towards this opening, the other end of this elastic component is this opening being fixed on this container dorsad, and the initial position of the seal, between this opening and this at least one steam vent, forms confined space between the seal and this opening.
4. as claim 1 or 2 or 3 described controlled-pressure type trachea catheters, it is characterized in that: this elastic component is spring.
5. as claim 1 or 2 or 3 described controlled-pressure type trachea catheters, it is characterized in that: this container is cylindrical shape.
6. as claim 1 or 2 or 3 described controlled-pressure type trachea catheters, it is characterized in that: this controlled-pressure type trachea catheter also comprises catheter adapter, and this catheter adapter is fixed on an end of this airway.
7. as claim 1 or 2 or 3 described controlled-pressure type trachea catheters, it is characterized in that: being shaped as of this steam vent is circular, square, a kind of in rhombus.
8. as claim 1 or 2 or 3 described controlled-pressure type trachea catheters, it is characterized in that: the seal is piston.
9. as claim 1 or 2 or 3 described controlled-pressure type trachea catheters, it is characterized in that: this container is transparence.
10. as claim 1 or 2 or 3 described controlled-pressure type trachea catheters, it is characterized in that: the seal is sealing rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320412979 CN203355074U (en) | 2013-07-11 | 2013-07-11 | Pressure control type tracheal catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320412979 CN203355074U (en) | 2013-07-11 | 2013-07-11 | Pressure control type tracheal catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203355074U true CN203355074U (en) | 2013-12-25 |
Family
ID=49802902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320412979 Expired - Fee Related CN203355074U (en) | 2013-07-11 | 2013-07-11 | Pressure control type tracheal catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203355074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027878A (en) * | 2014-05-23 | 2014-09-10 | 成都科创佳思科技有限公司 | Pressure regulating inflation valve |
-
2013
- 2013-07-11 CN CN 201320412979 patent/CN203355074U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027878A (en) * | 2014-05-23 | 2014-09-10 | 成都科创佳思科技有限公司 | Pressure regulating inflation valve |
| CN104027878B (en) * | 2014-05-23 | 2016-03-02 | 黄东 | Adjust blood pressure charge valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUANG LIJUN Effective date: 20140826 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140826 Address after: Department of Anesthesiology Yimin street 230001 Anhui city of Hefei province No. 15 MCH Hospital of Anhui Province Patentee after: Xie Lei Patentee after: Huang Lijun Address before: Department of Anesthesiology Yimin street 230001 Anhui city of Hefei province No. 15 MCH Hospital of Anhui Province Patentee before: Xie Lei |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20150711 |
|
| EXPY | Termination of patent right or utility model |