CN217448648U - Trachea cannula with structure for continuously monitoring pressure in air bag - Google Patents
Trachea cannula with structure for continuously monitoring pressure in air bag Download PDFInfo
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- CN217448648U CN217448648U CN202220643221.0U CN202220643221U CN217448648U CN 217448648 U CN217448648 U CN 217448648U CN 202220643221 U CN202220643221 U CN 202220643221U CN 217448648 U CN217448648 U CN 217448648U
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- airbag
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- 210000003437 trachea Anatomy 0.000 title claims abstract description 38
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 208000037906 ischaemic injury Diseases 0.000 abstract description 6
- 230000008338 local blood flow Effects 0.000 abstract description 6
- 210000004877 mucosa Anatomy 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 6
- 238000009530 blood pressure measurement Methods 0.000 description 4
- 238000002627 tracheal intubation Methods 0.000 description 4
- 210000004712 air sac Anatomy 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 208000028399 Critical Illness Diseases 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 1
- 208000009470 Ventilator-Associated Pneumonia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000015246 common arrowhead Nutrition 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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Abstract
The utility model relates to a trachea cannula with a structure for continuously monitoring the pressure in an air bag, which comprises a trachea cannula and an air bag arranged in the trachea cannula, wherein the trachea cannula is provided with a trachea insertion end and a breathing machine pipeline interface; the method is characterized in that: the safety airbag is arranged at a position close to the insertion end of the trachea to form a short-distance air supply and safety air pressure detection structure, an airbag connecting pipe is led out of the safety airbag, the airbag connecting pipe is divided into two paths after being led out of the safety airbag 1, one path is connected with an airbag inflation valve to form an inflation structure, and the other path is connected with an air pressure detector to form a trachea air pressure detection and display structure; the safety airbag, the air pressure detector and the airbag inflation valve are communicated with each other through the airbag connecting pipe, and a continuous monitoring type dynamic pressure monitoring structure is formed to continuously monitor the pressure in the airbag. The device has the characteristics and progresses of continuously observing whether the pressure of the air bag is insufficient or interference, preventing air leakage to ensure effective ventilation or preventing the local blood flow interruption of a patient and the ischemic injury of the tracheal mucosa.
Description
Technical Field
The utility model relates to a trachea cannula with a pressure structure in a continuous monitoring air bag, which is applicable to the auxiliary ventilation for treating critical patients. Belongs to the technical field of medical appliances.
Background
With the development of medical technology, mechanical assisted ventilation becomes an important measure for saving critical illness, and the trachea cannula is an important precondition for the current mechanical ventilation. In 2021 [ progress of the study of balloon pressure measurement in endotracheal intubation patients ] mention: "Long-term indwelling endotracheal intubation can cause serious complications and risks to the patient. Among them, inadequate pressure inside the balloon is an important factor leading to serious complications and risks, and it is therefore important to maintain proper balloon pressure.
At present, in the clinically used tracheal catheter with the air bag, the pressure of the inflated air bag cannot continuously display the actual pressure of the air bag, so that medical personnel cannot know the internal force of the tracheal cannula. If the air bag is left for a long time, the patient can be injured when the air in the air bag leaks or is inflated excessively to cause insufficient pressure or excessive pressure. [ development of tracheal intubation patient balloon pressure determination ] description: 1. the air bag is insufficient in pressure, air leakage is easy to occur, tidal volume loss cannot effectively ventilate, complications such as artificial airway slipping and the like are easy to cause, and ventilator-associated pneumonia is easy to cause. 2. The air bag is over-inflated and over-high in pressure, and the pressure acts on the tracheal mucosa to interrupt local blood flow, so that ischemic injury, necrosis and falling of the tracheal mucosa are caused, and even serious complications such as perforation, rupture and the like of the tracheal wall can be caused seriously); in 2021, the article also mentions that "the gasbag pressure gauge currently used in China is a spring mechanical pointer pressure gauge, and has the problems that the pressure deviation is large, the instantaneous pressure of inflation is large, and gas leakage is more when the pressure gauge is separated, so that the pressure value of the gasbag of the tracheal catheter in a body cannot be accurately reflected, therefore, when the specific value of the gasbag pressure is required to be determined, the gas is required to be obtained by an external pressure gauge, and the gas in the gasbag may overflow in the measurement process, so that the authenticity of the pressure in the gasbag cannot be ensured; and the cost of the external pressure gauge is not cheap.
Therefore, the prior art tracheal catheter with balloon has the following problems: the failure to know whether the pressure of the air bag is insufficient or excessive can easily cause air leakage and ineffective ventilation or cause the patient to interrupt local blood flow and cause ischemic injury of the tracheal mucosa.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that whether the pressure of the air sac is insufficient or interference can not be known in the tracheal catheter with the air sac in the prior art, thereby easily causing air leakage and effectively ventilating or interrupting the local blood flow of a patient and causing ischemic injury of the tracheal mucous membrane, and providing a tracheal cannula with a continuous monitoring pressure structure in the air sac.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a trachea cannula with a structure for continuously monitoring pressure in an air bag comprises a trachea cannula and a safety air bag arranged in the trachea cannula, wherein the trachea cannula is provided with a trachea insertion end and a breathing machine pipeline interface; the structure is characterized in that: the safety airbag is arranged at a position close to the insertion end of the air pipe to form a short-distance air supply and safety air pressure detection structure, an airbag connecting pipe is led out of the safety airbag, the airbag connecting pipe is divided into two paths after being led out of the safety airbag, one path is connected with an airbag inflation valve to form an inflation structure, and the other path is connected with an air pressure detector to form an air pipe air pressure detection and display structure; the safety airbag, the air pressure detector and the airbag inflation valve are communicated with each other through the airbag connecting pipe, and a continuous monitoring type dynamic pressure monitoring structure is formed to continuously monitor the pressure in the airbag.
The purpose of the utility model can also be achieved by adopting the following technical scheme:
furthermore, the air pressure detector comprises a transparent cylinder, the front end of the transparent cylinder is provided with a connecting end of an air bag connecting pipe, the side wall of the transparent cylinder is provided with scale marks, the inner cavity of the transparent cylinder is provided with a piston plate, the piston plate is fixed in the inner cavity of the transparent cylinder through a spring, and the piston plate and the spring are matched to form a piston type telescopic structure, so that the structure of the simple air pressure measurer is formed.
Further, the airbag is constituted by a conventional medical airbag.
Further, the ventilator circuit interface is adapted to mate with an output port of a ventilator and is sized and shaped to fit the output port of the ventilator.
The utility model has the following substantive characteristics and effects:
1. the utility model comprises a trachea cannula and a safety air bag arranged in the trachea cannula, the trachea cannula is provided with a trachea inserting end and a breathing machine pipeline interface; the safety airbag is arranged at a position close to the insertion end of the air pipe to form a short-distance air supply and safety air pressure detection structure, an airbag connecting pipe is led out of the safety airbag, the airbag connecting pipe is divided into two paths after being led out of the safety airbag, one path is connected with an airbag inflation valve to form an inflation structure, and the other path is connected with an air pressure detector to form an air pipe air pressure detection and display structure; the safety airbag, the air pressure detector and the airbag inflation valve are communicated with each other through the airbag connecting pipe, and a continuous monitoring type dynamic pressure monitoring structure is formed to continuously monitor the pressure in the airbag. Therefore, the tracheal catheter with the air bag can solve the problems that whether the pressure of the air bag is insufficient or interference cannot be known, air leakage is easily caused, effective ventilation cannot be realized, or local blood flow of a patient is interrupted, and ischemic injury of the tracheal mucosa is caused in the prior art, and has the substantial characteristics and the progress that whether the pressure of the air bag is insufficient or interference is continuously observed and known, the air leakage is prevented, effective ventilation is ensured, the local blood flow of the patient is prevented from being interrupted, and the ischemic injury of the tracheal mucosa is prevented.
2. The utility model discloses simple structure, convenient operation, the practicality is strong, and the security is strong, and is with low costs, can reduce and lead the gasbag interior gas and spill over in the measurement process to ensure the visuality of the interior actual pressure of gasbag. And, inflate the gasbag of trachea cannula and fill to suitable pressure range after, this novel device can monitor the gasbag pressure condition dynamically, and the reading of gasbag pressure can direct visualization display on the scale, can in time discover the change situation of gasbag internal pressure to guarantee the authenticity, the security of gasbag internal pressure constantly.
Drawings
Fig. 1 is a schematic structure of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the structure of the air pressure detector of fig. 1.
Detailed Description
Specific example 1:
referring to fig. 1-2, the endotracheal tube with a structure for continuously monitoring pressure in the air bag in embodiment 1 includes an endotracheal tube 2 and an air bag 1 disposed in the endotracheal tube 2, the endotracheal tube 2 has a trachea insertion end 2-1 and a ventilator tube interface 2-2; the safety airbag 1 is arranged at a position close to the air pipe insertion end 2-1 to form a short-distance air supply and safety air pressure detection structure, an airbag connecting pipe 5 is led out of the safety airbag 1, the airbag connecting pipe 5 is divided into two paths after being led out of the safety airbag 1, one path is connected with an airbag inflation valve 3 to form an inflation structure, and the other path is connected with an air pressure detector 4 to form an air pipe air pressure detection and display structure; the safety airbag 1, the air pressure detector 4 and the airbag inflation valve 3 are communicated with each other through an airbag connecting pipe 5, and a continuous monitoring type dynamic pressure monitoring structure is formed to continuously monitor the pressure in the airbag.
In this embodiment:
the air pressure detector 4 comprises a transparent cylinder 4-1, the front end of the transparent cylinder 4-1 is provided with a connecting end 4-2 of an air bag connecting pipe 5, the side wall of the transparent cylinder 4-1 is provided with scale marks 4-4, the inner cavity of the transparent cylinder 4-1 is provided with a piston plate 4-3, the piston plate 4-3 is fixed in the inner cavity of the transparent cylinder 4-1 through a spring 4-5, and the piston plate 4-3 and the spring 4-5 are matched to form a piston type telescopic structure, so that a simple air pressure measurer structure is formed.
The airbag 1 is constituted by a conventional medical airbag.
The ventilator circuit interface 2-2 is adapted to match the output port of the ventilator and is sized and shaped to fit the output port of the ventilator.
According to the research progress of the tracheal intubation patient balloon pressure measurement, the pressure of the balloon is well controlled, so that the service life of the tracheal catheter can be prolonged, and the occurrence and risk of complications of severe patients can be reduced, so that the hospitalization cost of the patients is reduced, and the disease course is shortened.
The utility model discloses a set up air bag 1 at trachea cannula 2, air bag 1 sets up and inserts 2-1 department and form closely air feed and safe atmospheric pressure detection structure near the trachea, draws forth gasbag connecting pipe 5 in air bag 1, and gasbag connecting pipe 5 is divided into two routes after drawing forth from air bag 1, connects gasbag charging valve 3 in order to constitute the gas filled structure all the way, and the atmospheric pressure detector 4 is connected in order to constitute trachea atmospheric pressure detection and display structure in the other way; the safety airbag 1, the air pressure detector 4 and the airbag inflation valve 3 are communicated with each other through the airbag connecting pipe 5, and a continuous monitoring type dynamic pressure monitoring structure is formed to continuously monitor the pressure in the airbag. Can utilize trachea atmospheric pressure to detect and show that the structure monitors 1 atmospheric pressure of air bag at any time, utilize 3 replenishment atmospheric pressures at any time of gasbag inflation valve as required, consequently can control 1's of air bag pressure well, realize increasing endotracheal tube's life-span, reduce the emergence and the risk of severe patient's complication to reduce the patient in hospital's expense, shorten the purpose of course of illness.
Additionally, the utility model discloses a simple and easy atmospheric pressure caliber structure that the setting comprises barodetector 4 realizes continuous type developments monitoring gasbag internal pressure structure in succession, has simple structure, convenient operation, practicality and safe characteristics such as strong, with low costs. The error between the actual pressure and the measured pressure caused by the overflow of gas in the air bag in the measuring process can be reduced, so that the authenticity and the safety of the pressure in the air bag are ensured. And, inflate the gasbag of trachea cannula and fill to suitable pressure range after, this novel device can show gasbag monitoring pressure condition dynamically, and the reading of gasbag pressure can direct-viewing display on the scale, can in time discover the change condition of gasbag internal pressure to guarantee the authenticity of gasbag internal pressure constantly, the adverse events of reducible gasbag also ensures patient's safety.
The utility model discloses trachea cannula is in the field of clinical use trachea cannula, through the principle of U type pipe, and air bag, simple and easy pressure measurement device, gasbag inflation valve communicate with each other with the same connecting pipe connection of size, therefore the intracavity, the pressure that the three received under any circumstance and pressure all are equal. And the simple and easy device of pressure measurement is by the very sensitive spring of pressure impression, the spring dead lever, and the scale piston board is made, when aerifing toward gasbag inflation valve department, the pressure in the lumen changes (increase or reduce), and pressure can be used for the piston scale board toward arrow head direction in the picture to promote the piston board and remove to the corresponding scale mark in device surface on, the digit reading on the scale mark that shows this moment is exactly the inside real pressure of gasbag, thereby reach the pressure condition that can continuously monitor gasbag in the trachea cannula. After the gasbag that gives trachea cannula aerifys and fills suitable pressure range, this novel device can be for the gasbag monitoring pressure condition dynamically, and the reading of gasbag pressure can direct-viewing display on the scale, can in time discover the situation of change of gasbag internal pressure to guarantee the authenticity, the security of gasbag internal pressure constantly.
Claims (4)
1. A trachea cannula with a structure for continuously monitoring pressure in an air bag comprises a trachea cannula (2) and an air bag (1) arranged in the trachea cannula (2), wherein the trachea cannula (2) is provided with a trachea insertion end (2-1) and a breathing machine pipeline interface (2-2); the method is characterized in that: the safety airbag (1) is arranged at a position close to the trachea insertion end (2-1) to form a short-distance air supply and safety air pressure detection structure, an airbag connecting pipe (5) is led out of the safety airbag (1), the airbag connecting pipe (5) is divided into two paths after being led out of the safety airbag (1), one path is connected with an airbag inflation valve (3) to form an inflation structure, and the other path is connected with an air pressure detector (4) to form a trachea air pressure detection and display structure; the safety airbag (1), the air pressure detector (4) and the airbag inflation valve (3) are communicated with each other through the airbag connecting pipe (5), and a continuous monitoring type dynamic pressure monitoring structure is formed to continuously monitor the pressure in the airbag.
2. The endotracheal tube with a continuous pressure monitoring structure in the air bag according to claim 1, characterized in that: the air pressure detector (4) comprises a transparent cylinder (4-1), a connecting end (4-2) of an air bag connecting pipe (5) is arranged at the front end of the transparent cylinder (4-1), scale marks (4-4) are arranged on the side wall of the transparent cylinder (4-1), a piston plate (4-3) is arranged in the inner cavity of the transparent cylinder (4-1), the piston plate (4-3) is fixed in the inner cavity of the transparent cylinder (4-1) through a spring (4-5), and the piston plate (4-3) and the spring (4-5) are matched to form a piston type telescopic structure, so that a simple air pressure measurer structure is formed.
3. An endotracheal tube with a structure for continuously monitoring pressure inside the balloon according to claim 1 or 2, characterized in that: the airbag (1) is formed by a conventional medical airbag.
4. An endotracheal tube with a structure for continuously monitoring pressure inside the balloon according to claim 1 or 2, characterized in that: the breathing machine pipeline interface (2-2) is used for matching with an output port of a breathing machine, and the size and the shape of the breathing machine pipeline interface are matched with the output port of the breathing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220643221.0U CN217448648U (en) | 2022-03-23 | 2022-03-23 | Trachea cannula with structure for continuously monitoring pressure in air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220643221.0U CN217448648U (en) | 2022-03-23 | 2022-03-23 | Trachea cannula with structure for continuously monitoring pressure in air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217448648U true CN217448648U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220643221.0U Expired - Fee Related CN217448648U (en) | 2022-03-23 | 2022-03-23 | Trachea cannula with structure for continuously monitoring pressure in air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217448648U (en) |
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2022
- 2022-03-23 CN CN202220643221.0U patent/CN217448648U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |