CN209809242U - Improved trachea cannula - Google Patents
Improved trachea cannula Download PDFInfo
- Publication number
- CN209809242U CN209809242U CN201821631742.4U CN201821631742U CN209809242U CN 209809242 U CN209809242 U CN 209809242U CN 201821631742 U CN201821631742 U CN 201821631742U CN 209809242 U CN209809242 U CN 209809242U
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- inflation
- air
- tube
- bag
- inflatable bag
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Abstract
The utility model provides an improved trachea cannula. One end of the inflation tube (3) of the trachea cannula is provided with an inflation component (5) used for inflating the air sac at the insertion end. The inflation assembly (5) comprises an inflatable bag (51) with elasticity and one-way valves (521, 522). When the air bag (51) is pressed, the air inside the air bag is sent to the air tube (3) through the air charging port (511) and the indicating air bag (54), and when the air bag (51) rebounds, the external air is sucked into the air bag (51) through the air suction port (512). The one-way valves (521, 522) enable the air in the inflatable bag (51) to flow only in the direction of the inflation tube (3). Through the utility model discloses an improvement type trachea cannula need not additionally to prepare devices such as syringe, just can aerify the gasbag that inserts the end through pressing the gas cell to can facilitate for clinician, especially be fit for emergent critical patients' rescue work.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to improvement type trachea cannula.
Background
The use of endotracheal intubation to establish an artificial airway quickly and safely is critical to critical patient rescue and also affects subsequent patient respiratory therapy and the prevention of complications. Therefore, a proper tracheal cannula is of great significance for patients and doctors.
The trachea cannula which is commonly used in clinic at present is a catheter with a balloon at the periphery of an insertion end. After the trachea cannula operation is successful, the air bag at the front end of the trachea cannula is inflated by an injector through an inflation tube, and the air bag is expanded to a proper size to seal the airway of a patient and prepare for invasive mechanical ventilation. Here, the amount of inflation of the airbag is generally 5 to 10ml, and the pressure in the airbag does not exceed 30 mmHg. The air pressure in the air bag needs to be monitored frequently to ensure that air does not leak when invasive ventilation is carried out, and meanwhile, the phenomenon that the air bag presses the tracheal mucosa to cause mucosal ischemic necrosis due to overlarge pressure is avoided. Therefore, the conventional endotracheal tube faces the following problems.
1. The inflation of the balloon requires additional preparation of the syringe both during the emergency intubation procedure and during the subsequent hospitalization procedure, which not only increases the medical consumption and the medical cost of the patient, but also increases the workload of the medical staff, and particularly, the preparation of the syringe during the patient rescue procedure makes the work more complicated, possibly delaying the patient rescue.
2. The monitoring of the pressure of the air sac is the necessary monitoring content for the patient with the tracheal cannula, and the conventional monitoring needs to prepare a pressure gauge or a pressure gauge additionally, which brings inconvenience to clinical work, particularly to rescue of the patient.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above problems, and an object of the present invention is to provide an improved endotracheal tube which can provide convenience to clinicians, and particularly, is suitable for emergency treatment of critically ill patients.
In order to achieve the above object, one aspect of the present invention provides an improved endotracheal tube, which comprises a tube, a balloon disposed at the periphery of an insertion end of the tube, and an inflation tube having one end communicated with the balloon. And an inflation assembly used for inflating the air bag is arranged at the other end of the inflation tube. The inflation assembly comprises an elastic inflation bag and a one-way valve. The inflatable bag is provided with an air suction port for sucking external air and an inflation port for delivering air to the inflation tube, when the inflatable bag is pressed, the air in the inflatable bag is delivered to the inflation tube through the inflation port, and when the inflatable bag rebounds, the external air is sucked into the inflatable bag through the air suction port. The one-way valve is arranged in the inflatable bag, so that air in the inflatable bag flows only towards the direction of the inflation tube.
Additionally, preferably, in an aspect of the present invention, the check valve is in including setting up the first check valve of inflation inlet is in with the setting the second check valve of induction port when the gas cell is pressed, the second check valve seals the induction port, first check valve opens when the gas cell kick-backs, first check valve seals the inflation inlet, the second check valve opens.
In addition, preferably, in one aspect of the present invention, the volume of the air-filled bag is 1-2 ml.
Further, preferably, in an aspect of the present invention, a closing member for closing the suction port is provided at the air bladder.
In addition, preferably, in an aspect of the present invention, the inflation assembly further includes an indication balloon communicating with the inflation tube, and a degree of inflation of the indication balloon is changed in correspondence with a pressure in the inflation tube.
Further, preferably, in an aspect of the present invention, the inflation assembly further includes an exhaust portion for exhausting gas inside the inflation tube.
Further, preferably, in an aspect of the present invention, the inflation assembly further includes a pressure measurement portion for measuring a pressure within the inflation tube.
Further, preferably, in one aspect of the present invention, the pressure measuring portion includes a transparent cavity and a moving member. The wall surface of the cavity is marked with scales for indicating the pressure in the air inflation pipe. The moving component moves in the cavity corresponding to the pressure in the inflation tube, and indicates a numerical value corresponding to the pressure in the inflation tube on the scale.
In addition, preferably, in an aspect of the present invention, the graduation of the scale is 1 to 5mmHg, and the maximum scale value is 20 to 30 mmHg.
Through the utility model discloses an improvement type trachea cannula need not additionally to prepare the syringe, just can aerify the gasbag that sets up the end of inserting at trachea cannula through pressing this trachea cannula's gas cell to can both facilitate for clinician at the in-process of urgent intubate or in the treatment process of being in hospital afterwards, especially adapt to critical patient's rescue work, and can be when guaranteeing quick inflation, suitably control the inflation volume that goes to the gasbag, avoid pressure too big and make gasbag oppression trachea mucosa lead to lacking blood and die etc..
In addition, by providing the indicating air bag and/or the pressure measuring part, the pressure in the inflation tube or the air bag can be roughly recognized without preparing a pressure measuring meter or a pressure gauge, thereby providing convenience for a clinician, facilitating an operator to grasp the pressure in the inflation tube or the air bag and judging whether the air bag has a proper amount of air.
In addition, the air in the inflation tube is discharged by the exhaust part, so that the tracheal cannula can be conveniently pulled out, and the air sac can be prevented from pressing the tracheal mucosa when the tracheal cannula is pulled out.
Drawings
Fig. 1 is a schematic view of an endotracheal tube according to an embodiment of the present invention.
Figure 2 is a schematic view of an inflation assembly in an endotracheal tube illustrating one embodiment of the present invention.
100 endotracheal tube, 1 catheter, 11 insertion end, 12 connector, 2 balloon, 3 inflation tube, 5 inflation assembly, 51 inflation balloon, 511 inflation port, 512 suction port, 521 first one-way valve, 522 second one-way valve, 53 closing part, 54 indication balloon, 55 pressure measuring part, 551 scale, 552 moving part, 553 force application part, 56 exhaust part.
Detailed Description
The following describes in detail an embodiment of an improved endotracheal tube according to the present invention with reference to the accompanying drawings.
(examples)
The endotracheal tube 100 of one embodiment of the present invention is an improved endotracheal tube. Fig. 1 is a schematic view showing the endotracheal tube 100. As shown in fig. 1, an endotracheal tube 100 includes a tube 1, a balloon 2 provided on the periphery of an insertion end 11 of the tube 1, and a connector 12 provided at the rear end of the tube 1 for connecting a ventilator or the like. Here, the airbag 2 is made of a material which is soft, has good elasticity, and is not easily broken, and the shape of the airbag 2 may be an elliptical shape, a spherical shape, or the like. The inflation volume of the airbag 2 is preferably 5 to 10ml, and the air pressure in the airbag 2 is preferably not more than 30 mmHg.
In addition, the endotracheal tube 100 further includes: an inflation tube 3 having one end inserted into the airbag 2 and communicating with the airbag 2; and an inflation assembly 5 connected to the other end of the inflation tube 3 to inflate the airbag 2 through the inflation tube 3. The air bag 2 is inflated by the inflation assembly 5, so that after the air bag 2 is expanded to a proper size, the air passage of the patient is closed, and preparation is made for invasive mechanical ventilation.
The following describes in detail the inflation assembly 5 of an embodiment of the present invention. Fig. 2 is a schematic view showing the inflator module 5. As shown in fig. 2, the inflation assembly 5 includes an inflatable bag 51 having elasticity and a one-way valve disposed inside the inflatable bag 51. Wherein, a cavity is formed in the air-packing bag 51, and has an air suction port 512 near the outside side and an air charge port 511 at the side of the air charge tube 3. When the air bladder 51 is pressed, air in the cavity of the air bladder 51 is delivered toward the air tube 3 through the air inlet 511, and when the air bladder 51 rebounds, external air is sucked into the air bladder 51 through the air inlet 512. In addition, the one-way valve is used to make the air in the air bladder 51 flow only in the direction of the air-filling tube 3.
By having such an inflation assembly 5, the balloon 2 provided at the insertion end 11 of the endotracheal tube 100 can be inflated by pressing the balloon 51 without additional preparation of a syringe, thereby providing convenience to a clinician both during emergency intubation and during subsequent hospitalization, particularly adapting to emergency work of critically ill patients, and also reducing medical consumption and patient medical expenses.
The material of the airbag 51 may be elastic, and is preferably made of a material having high elasticity, particularly high resilience, from the viewpoint of improving the inflation efficiency, and may be made of, for example, an elastic rubber material. The shape of the balloon 51 is not particularly limited, but is preferably elliptical or spherical in view of easy grip and squeezing. In addition, the volume of the cavity of the inflatable bag 51 is preferably 1-2 ml, that is, the inflatable bag 51 is pressed for 5-10 times to expand the air bag 2, so that the inflation amount of the air bag 2 can be properly controlled while the rapid inflation is ensured, and the phenomenon that the air bag 2 presses the tracheal mucosa to cause ischemic necrosis and the like due to overlarge pressure is avoided.
In this embodiment, the check valve of the air-inflating assembly 5 may include a first check valve 521 provided at the air-inflating port 511 and a second check valve 522 provided at the air-inflating port 512. When the air bladder 51 is pressed, the second check valve 522 is pushed downward by the air in the air bladder 51 to close the air inlet 512, and the first check valve 521 is pushed upward by the air in the air bladder 51 to open. When the air bag 51 rebounds due to the release of the pressing force, the external air is sucked into the air bag 51 through the air inlet 512, and at this time, the second check valve 522 is opened by the thrust of the sucked air, and the first check valve 521 is pushed by the air in the air tube 3 to close the air inlet 511. Accordingly, the air sucked into the airbag 51 through the air inlet 512 can be made to flow only in the direction of the air tube 3, thereby improving the inflation efficiency and facilitating the use.
Furthermore, the check valve of the present invention is not limited to the structure having the first check valve 521 and the second check valve 522, and as long as the air in the air bag 51 can only flow toward the air tube 3, the check valve of other structures may also be used, for example, only one check valve may be disposed at the air inlet 511, or more than 3 check valves may also be disposed as required.
In addition, a closing member 53 for closing the air inlet 512 may be provided at the air inlet 512 of the air bag 51, and the closing member 53 may be a cover member, a plug, or a closing member having another structure. By closing the air inlet 512 with the closing member 53 after the airbag 2 is filled with air, the air in the airbag 2 can be prevented from leaking to the outside through the inflation tube 3 during invasive ventilation.
Inflation assembly 5 also includes an indicator balloon 54 in communication with inflation tube 3, the degree of inflation of which can be varied accordingly with the pressure within inflation tube 3. The indicating balloon 54 may be made of a material having a certain elasticity and not easily broken, and its inflated shape is not particularly limited, and may be, for example, an oval shape, a spherical shape, or the like. Accordingly, the operator can roughly estimate the pressure in the inflation tube 3 or the airbag 2 by touching or observing the indicating airbag 54 without separately preparing a pressure gauge or a pressure gauge, and can easily grasp the pressure in the inflation tube 3 or the airbag 2 and determine whether or not the airbag 2 has an appropriate amount of air.
In addition, in order to detect the pressure within the inflation tube 3 or the airbag 2, the inflation module 5 may further include a pressure measurement portion 55. The pressure measuring portion 55 includes a transparent cavity, a moving member 552 provided in the transparent cavity, and a force application member 553 that applies force against the pressure inside the gas tube 3 to the moving member 552. Further, a scale 551 indicating the pressure inside the gas tube 3 is marked on the wall surface of the transparent chamber, and the moving member 552 moves inside the chamber in accordance with the pressure inside the gas tube 3 by the urging member 553, and indicates the value corresponding to the pressure inside the gas tube 3 on the scale 551. Accordingly, the operator can relatively accurately confirm the pressure in the inflation tube 3 or the airbag 2 without separately preparing a pressure gauge or a pressure gauge, and thus the operator can more conveniently grasp the pressure in the inflation tube 3 or the airbag 2 and judge whether the airbag 2 has a proper amount of air.
In fig. 2, the urging member 553 is shown as a spring, but the present invention is not limited thereto, and other urging members may be used as long as the moving member 552 can be moved in the cavity in accordance with the pressure inside the gas tube 3 by applying the pressure inside the gas tube 3 to the moving member 552. Further, the moving member 552 may be, for example, a partition plate which partitions a space inside the gas tube 3 from a space inside the cavity.
The scale 551 marked on the transparent chamber may be previously calculated by measurement according to the force or elastic coefficient applied by the force applying part 553, the surface area of the moving part 552, the pressure inside the gas filling tube 3, and the like. Preferably, the graduation of the scale 551 is 1 to 5mmHg, and the maximum scale value is 20 to 30 mmHg. Thereby, the operator can easily observe the pressure value inside the inflation tube 3.
In addition, in fig. 2, an embodiment in which the inflation module 5 has both the indication bag 54 and the pressure measurement portion 55 is shown, but the present invention is not limited to this, and for example, only either the indication bag 54 or the pressure measurement portion 55 may be provided as needed.
Inflation assembly 5 also includes a vent portion 56 for venting gas within inflation tube 3. For example, the operator can purge the gas in the gas-filled tube 3 through the gas-discharging portion 56 using a syringe or the like in a state where the gas inlet 512 is closed by the closing member 53. By providing the exhaust unit 56 to exhaust the gas in the inflation tube 3, the endotracheal tube 100 can be easily removed, and the air bladder 2 can be prevented from pressing the tracheal mucosa when the endotracheal tube 100 is removed. The structure of the exhaust portion 56 is not particularly limited, and may be any structure that can be used to exhaust the gas in the gas tube 3.
The foregoing is merely an illustration of the preferred embodiments of the present invention and is not intended to limit the invention in any way, and any modifications, substitutions, improvements and the like which are within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The utility model provides an improvement type trachea cannula, its includes the pipe, sets up the peripheral gasbag and one end of the tip of inserting of pipe with the gas tube of gasbag intercommunication, this trachea cannula's characterized in that:
an inflation assembly for inflating the air bag is arranged at the other end of the inflation tube,
the inflation assembly includes:
an inflatable bag with elasticity, which is provided with an air suction port for sucking external air and an inflation port for delivering air to the inflation tube, wherein when the inflatable bag is pressed, the air in the inflatable bag is delivered to the inflation tube through the inflation port, and when the inflatable bag rebounds, the external air is sucked into the inflatable bag through the air suction port; and
and the one-way valve is arranged in the inflatable bag, so that the air in the inflatable bag flows only in the direction of the inflation tube.
2. The improved endotracheal tube of claim 1 wherein:
the one-way valve comprises a first one-way valve arranged at the inflation inlet and a second one-way valve arranged at the air suction inlet,
when the inflatable bag is pressed, the second one-way valve closes the air suction port, the first one-way valve is opened, and when the inflatable bag rebounds, the first one-way valve closes the inflation port, and the second one-way valve is opened.
3. The improved endotracheal tube of claim 1 wherein:
the volume of the inflatable bag is 1-2 ml.
4. The improved endotracheal tube of claim 1 wherein:
and a sealing part for sealing the air suction port is arranged on the inflatable bag.
5. The improved endotracheal tube of claim 1 wherein:
the inflation assembly further comprises an indicating air bag communicated with the inflation tube, and the inflation degree of the indicating air bag changes correspondingly to the pressure in the inflation tube.
6. The improved endotracheal tube of claim 1 wherein:
the inflation assembly also includes a vent for venting gas within the inflation tube.
7. An improved endotracheal tube according to any one of claims 1 to 6 characterized in that:
the inflation assembly further includes a pressure measurement portion for measuring a pressure within the inflation tube.
8. The improved endotracheal tube of claim 7,
the pressure measurement section includes:
the wall surface of the transparent cavity is marked with scales for indicating the pressure in the air inflation pipe; and
and the moving component moves in the cavity corresponding to the pressure in the inflation tube and indicates a numerical value corresponding to the pressure in the inflation tube on the scale.
9. The improved endotracheal tube of claim 8 wherein:
the graduation of the scale is 1-5 mmHg, and the maximum scale value is 20-30 mmHg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631742.4U CN209809242U (en) | 2018-10-09 | 2018-10-09 | Improved trachea cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631742.4U CN209809242U (en) | 2018-10-09 | 2018-10-09 | Improved trachea cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209809242U true CN209809242U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821631742.4U Expired - Fee Related CN209809242U (en) | 2018-10-09 | 2018-10-09 | Improved trachea cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209809242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768065A (en) * | 2022-04-16 | 2022-07-22 | 郑州大学第三附属医院(河南省妇幼保健院) | Injection device for oviduct radiography |
-
2018
- 2018-10-09 CN CN201821631742.4U patent/CN209809242U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768065A (en) * | 2022-04-16 | 2022-07-22 | 郑州大学第三附属医院(河南省妇幼保健院) | Injection device for oviduct radiography |
| CN114768065B (en) * | 2022-04-16 | 2023-08-22 | 郑州大学第三附属医院(河南省妇幼保健院) | Injection device for oviduct radiography |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |