CN219148871U - Tracheal cannula with air pressure indicating device - Google Patents
Tracheal cannula with air pressure indicating device Download PDFInfo
- Publication number
- CN219148871U CN219148871U CN202221435755.0U CN202221435755U CN219148871U CN 219148871 U CN219148871 U CN 219148871U CN 202221435755 U CN202221435755 U CN 202221435755U CN 219148871 U CN219148871 U CN 219148871U
- Authority
- CN
- China
- Prior art keywords
- pressure
- indication
- air pressure
- buoy
- spring
- Prior art date
- 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.)
- Active
Links
- 230000000241 respiratory effect Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 14
- 238000013022 venting Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002411 adverse Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 7
- 210000004712 air sac Anatomy 0.000 description 6
- 210000004877 mucosa Anatomy 0.000 description 5
- 210000003437 trachea Anatomy 0.000 description 5
- 238000002627 tracheal intubation Methods 0.000 description 5
- 210000004081 cilia Anatomy 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 208000028867 ischemia Diseases 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 208000025865 Ulcer Diseases 0.000 description 2
- 230000004872 arterial blood pressure Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 231100000397 ulcer Toxicity 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000621 bronchi Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model relates to the field of medical equipment, in particular to an endotracheal tube with an air pressure indicating device, which comprises an endotracheal tube body, wherein the endotracheal tube body is used for creating a temporary artificial respiratory passage, a bag sleeve and an inflatable catheter communicated with the bag sleeve are arranged on the endotracheal tube body, air is injected into the bag sleeve through the inflatable catheter to expand the bag sleeve, the endotracheal tube body is assisted to be fixed in an airway of a patient, and an air pressure detecting device is arranged on the inflatable catheter and is used for measuring the air pressure value in the bag sleeve. According to the tracheal cannula with the air pressure indicating device, the air pressure detecting device is arranged on the inflatable catheter, so that the air pressure in the bag sleeve can be intuitively displayed during cannula treatment, adverse effects on treatment of a patient due to too high or too low air pressure in the bag sleeve are avoided, and the treatment effect of the patient after the tracheal catheter is inserted is ensured.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to an endotracheal tube with an air pressure indicating device.
Background
Tracheal tubes are medical devices that are inserted into the trachea and/or bronchi of a patient to create a temporary artificial respiratory pathway for the patient, particularly for patients who are unable to breathe spontaneously.
The head of the common cannula is provided with one or two air bags, and the air bags can play roles in fixing the cannula and sealing the airway after being inflated. The inflation degree of the air bag is just standard without air leakage, and the insufficient inflation can cause air leakage, so that insufficient tidal volume and even hypoxia can be caused; excessive inflation of the air bag can generate excessive pressure on the tracheal wall, so that a series of complications such as ischemia and necrosis of the tracheal wall can be caused. It is presently agreed that the pressure within the balloon should not exceed 30mmHg, since the normal average arterial pressure of the tracheal mucosal capillaries is 32mmHg. If the pressure in the air sac exceeds the level, local tracheal mucosa and cilia pressure ischemia can be caused, the tracheal mucosa can be necrotized and shed after tube drawing, cilia movement is stopped for 3-5 days, even local ulcer is formed, and annular scar stenosis of the trachea can be reached after healing. For patients using endotracheal tubes for a long period of time, the cuff pressure is always maintained at a high level, which can even have serious consequences of tracheal softening.
In the prior art, medical staff usually indicate the pressure inside the air sac by visually observing the fullness of the small sac through finger pinching, the subjectivity is strong, the accuracy cannot be ensured, the air sac is neither scientific nor standard, and the quality of tracheal catheter insertion is difficult to ensure because of different experiences of the medical staff.
Accordingly, there is an urgent need for a device capable of measuring the pressure in an endotracheal tube balloon, which solves the above-mentioned problems of the prior art.
Disclosure of Invention
The utility model aims at: aiming at the problems that in the prior art, the tracheal catheter is used for perceiving the pressure in the air bag by the traditional Chinese medicine nursing staff, namely, the filling degree of the small bag is visually indicated by pinching the finger, the subjectivity is strong, the accuracy cannot be ensured, the tracheal catheter is neither scientific nor standard, and the insertion quality of the tracheal catheter is difficult to ensure due to the difference of experiences of medical staff, so the tracheal catheter with the air pressure indicating device is provided for the tracheal catheter.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the tracheal cannula with the air pressure indicating device comprises a tracheal catheter body, wherein the tracheal catheter body is used for creating a temporary artificial respiratory passage, a bag sleeve and an inflatable catheter communicated with the bag sleeve are arranged on the tracheal catheter body, air is injected into the bag sleeve through the inflatable catheter, the bag sleeve is inflated, the tracheal catheter body is assisted to be fixed in an airway of a patient, an air pressure detecting device is arranged on the inflatable catheter, and the air pressure detecting device is used for measuring an air pressure value in the bag sleeve.
Preferably, the air pressure detection device feeds back the change of the air pressure in the air bag sleeve in real time when the air bag sleeve is inflated.
Preferably, the air pressure detection device comprises an indication pipe body, the indication pipe body is communicated with the inflation guide pipe, a spring and an indication buoy are arranged in the indication pipe body, one end of the spring is connected with the bottom wall of the indication pipe body, and the other end of the spring is connected with the indication buoy; when gas is not injected into the bag sleeve, the spring supports the indication buoy, the indication buoy is located on one side of the top wall of the indication pipe body, when gas is injected into the bag sleeve, the indication buoy compresses the spring to slide towards the bottom of the indication pipe body, and a graduated scale is further arranged on the indication pipe body and used for measuring the sliding distance of the indication buoy in the indication pipe body.
Preferably, the indication tube body is further provided with a pressure identification area, the pressure identification area is correspondingly arranged with the graduated scale, and the pressure identification area is used for assisting medical staff in judging the air pressure state in the bag sleeve after the indication buoy slides by a corresponding distance.
Preferably, the area of the pressure bearing surface of the indication buoy completely covers the cross-sectional area of the indication pipe body, and the pressure bearing surface of the indication buoy is downward recessed.
Preferably, the indication pipe body is further provided with an inflation opening and a deflation opening for inflation and deflation, and an inflation channel or a deflation channel formed by the inflation opening and the deflation opening avoids the pressure bearing surface of the indication buoy.
Preferably, a limiting component is further arranged in the indication pipe body and used for limiting the deformation path of the spring so as to keep linear motion.
Preferably, the limiting component comprises a limiting cylinder and a limiting column, the outer diameter of the spring is matched with the inner diameter of the limiting cylinder, the spring deforms under the constraint of the limiting cylinder, one end of the limiting column is connected with the indicating buoy, the other end of the limiting column is connected with the spring, and the limiting column transmits the pressure born by the indicating buoy to enable the spring to deform in a compression mode.
Preferably, the limiting component is arranged by the inner wall of the indication pipe body, and the limiting component is symmetrically arranged in a pair along any diameter of the section of the indication pipe body.
Preferably, the outer wall of the limit post is arranged at a distance from the inner wall of the limit cylinder.
Preferably, the tracheal cannula with the air pressure indicating device further comprises a pressure relief valve, wherein the pressure relief valve is opened when the pressure in the cuff exceeds a set value, and the air in the cuff is discharged until the pressure in the cuff is closed when the pressure in the cuff is below a new return set value.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the tracheal cannula with the air pressure indicating device, the air pressure detecting device is arranged on the inflatable catheter, so that the air pressure in the bag sleeve can be intuitively displayed during cannula treatment, adverse effects on treatment of a patient due to overhigh or overlow air pressure in the bag sleeve are avoided, and the treatment effect of the patient after the tracheal catheter is inserted is ensured;
2. according to the tracheal cannula with the air pressure indicating device, the inflation channel or the deflation channel formed by the inflation and deflation port is arranged to avoid the pressure bearing surface of the indicating buoy, so that disturbance of air flow to the indicating buoy during inflation operation is avoided to the greatest extent, and the accuracy of detecting the pressure in the cuff is further improved;
3. the tracheal cannula with the air pressure indicating device is characterized in that a limiting part is further arranged in the indicating tube body and used for limiting the deformation path of the spring to enable the spring to move linearly. Effectively avoided because the spring produces horizontal deformation, to the measurement accuracy of atmospheric pressure detection device leads to the fact the influence, has further improved the security of this novel in clinical use.
Drawings
FIG. 1 is a schematic view of an endotracheal tube with an air pressure indicating device;
FIG. 2 is a schematic view of an endotracheal tube air pressure detecting device with an air pressure indicating device;
fig. 3 is a schematic cross-sectional view of an endotracheal tube air pressure detecting device with an air pressure indicating device.
The marks in the figure: the tracheal catheter comprises a 1-tracheal catheter body, a 2-cuff, a 3-inflation catheter, a 4-air pressure detection device, a 5-indication tube body, a 6-spring, a 7-indication buoy, an 8-scale, a 9-pressure identification area, a 10-inflation and deflation port, a 11-limiting component, a 12-limiting cylinder, a 13-limiting column and a 14-pressure relief valve.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1 to 3, the tracheal cannula with the air pressure indicating device according to the present utility model comprises a tracheal catheter body 1, wherein the tracheal catheter body 1 is used for creating a temporary artificial respiratory tract, a cuff 2 and an inflation catheter 3 communicated with the cuff 2 are arranged on the tracheal catheter body 1, air is injected into the cuff 2 through the inflation catheter 3 to expand the cuff 2, the tracheal catheter body 1 is assisted to be fixed in an airway of a patient, an air pressure detecting device 4 is arranged on the inflation catheter 3, and the air pressure detecting device 4 is used for measuring the air pressure value in the cuff 2.
Adopt a trachea cannula with atmospheric pressure indicating device set up on the inflation catheter 3 atmospheric pressure detecting device 4, can be when the intubate treatment audio-visual demonstration atmospheric pressure in the bag cover 2 has avoided because the atmospheric pressure in the bag cover 2 is too high or is too low brings adverse effect for patient's treatment, has guaranteed patient's treatment effect behind the trachea catheter intubate.
In particular, when the tracheal intubation is clinically performed, it is generally considered that the pressure in the balloon should not exceed 30mmHg, because the normal average arterial pressure of the tracheal mucosa capillaries is 32mmHg. If the pressure in the air sac exceeds the level, local tracheal mucosa and cilia pressure ischemia can be caused, the tracheal mucosa can be necrotized and shed after tube drawing, cilia movement is stopped for 3-5 days, even local ulcer is formed, and annular scar stenosis of the trachea can be reached after healing. For patients who use endotracheal tubes for a long period of time, the cuff 2 pressure is maintained at a high level at all times, which can even have serious consequences of tracheal softening. In the prior art, medical staff usually indicate the pressure inside the air sac by visually observing the fullness of the small sac through finger pinching, the subjectivity is strong, the accuracy cannot be ensured, the air sac is neither scientific nor standard, and the quality of tracheal catheter insertion is difficult to ensure because of different experiences of the medical staff. Based on this, in the present utility model, the inventor sets the air pressure detecting device 4 on the inflatable catheter 3, so that the air pressure in the cuff 2 can be intuitively displayed during intubation treatment, adverse effects on treatment of patients due to too high or too low air pressure in the cuff 2 are avoided, and the treatment effect of the patients after intubation of the tracheal catheter is ensured.
As a preferred embodiment, based on the above manner, further, the air pressure detecting device 4 feeds back the change of the air pressure inside the cuff 2 in real time when the cuff is inflated.
In this embodiment, when the medical staff injects the gas into the cuff 2, the air pressure detecting device 4 can feed back the change of the air pressure in the cuff 2 in real time. Therefore, when the air pressure in the bag cover 2 reaches a preset value, the medical staff can stop injecting air into the bag cover 2 in time. Or when the atmospheric pressure in the bag cover 2 is close to the default, medical personnel can in time adjust the unit time in the injection the interior gaseous volume of bag cover 2 to can the maximum prevent the atmospheric pressure in the bag cover 2 exceeds the safe value, improved the security of this novel in the intubate treatment.
Example 2
As shown in fig. 1 to 3, the tracheal cannula with the air pressure indicating device according to the present utility model, further, based on the above manner, the air pressure detecting device 4 includes an indicating tube 5, the indicating tube 5 is communicated with the inflation catheter 3, a spring 6 and an indicating buoy 7 are disposed in the indicating tube 5, one end of the spring 6 is connected with the bottom wall of the indicating tube 5, and the other end is connected with the indicating buoy 7; when gas is not injected into the bag sleeve 2, the spring 6 supports the indication buoy 7, the indication buoy 7 is located on one side of the top wall of the indication pipe body 5, when gas is injected into the bag sleeve 2, the indication buoy 7 compresses the spring 6 to slide towards the bottom of the indication pipe body 5, a graduated scale 8 is further arranged on the indication pipe body 5, and the graduated scale 8 is used for measuring the sliding distance of the indication buoy 7 in the indication pipe body 5.
Specifically, in this embodiment, when no gas is injected into the bladder 2, the air pressure values in the indication pipe body 5 at the upper and lower sides of the indication buoy 7 are the same, the spring 6 is not compressed, and the position of the indication buoy 7 corresponds to the zero scale position of the scale 8; when the gas is injected into the bladder 2, the gas pressure in the indication pipe 5 at the upper side of the indication buoy 7 increases, and a pressure difference is generated between the upper side and the lower side of the indication buoy 7. The indication buoy 7 slides downwards under pressure to enable the spring 6 to compress and deform until the pressure difference generated on the upper side and the lower side of the indication buoy 7 is completely converted into elastic potential energy of the spring 6, then the sliding is stopped, and a medical staff can judge the air pressure value in the bag sleeve 2 according to the sliding distance of the indication buoy 7. The air pressure detection device 4 adopting the structure has simple and reliable overall structure, is easy to produce and manufacture, and improves the practicability of the novel air pressure detection device in clinical use.
As a preferred embodiment, based on the above manner, a pressure recognition area 9 is further provided on the indication tube 5, the pressure recognition area 9 is disposed corresponding to the graduated scale 8, and the pressure recognition area 9 is used for assisting a medical staff in judging the air pressure state in the cuff 2 after the indication buoy 7 slides by a corresponding distance.
Specifically, in this embodiment, the pressure recognition area 9 may divide the indication tube body 5 into three areas corresponding to the scale 8, where the three areas sequentially represent the insufficient air pressure, the normal air pressure and the excessive air pressure from top to bottom, and the three areas may be distinguished by using different colors. When in use, the medical staff can judge the level of the air pressure in the bag sleeve 2 according to the different partitions of the indication buoy 7 in the indication pipe body 5. In this embodiment, the pressure recognition area 9 is provided, so that the medical staff can more intuitively judge the air pressure state in the bag sleeve 2, and the working efficiency of the medical staff is improved.
As a preferred embodiment, further, the area of the pressure-receiving surface of the indication buoy 7 completely covers the cross-sectional area of the indication pipe body 5, and the pressure-receiving surface of the indication buoy 7 is recessed downward. By adopting the structure, most of the pressure applied to the indication buoy 7 can be concentrated towards the middle part, so that the indication buoy 7 can be better pushed, and the accuracy of detecting the pressure in the bag sleeve 2 is ensured.
As a preferred embodiment, based on the above mode, further, an inflation opening 10 for inflating and deflating is further provided on the indication pipe body 5, and an inflation channel or a deflation channel formed by the inflation opening 10 avoids the pressure bearing surface of the indication buoy 7.
In this embodiment, the inventor considers that when inflating the cuff 2, the air flow may disturb the indication buoy 7, which affects the medical staff in judging the pressure value in the cuff 2. Based on this, in this embodiment, the inventor sets up the inflation channel or the deflation channel formed by the inflation and deflation port 10 to avoid the pressure bearing surface of the indication buoy 7, so as to avoid the disturbance of the air flow to the indication buoy 7 during the inflation operation to the greatest extent, thereby further improving the accuracy of detecting the pressure in the cuff 2.
Example 3
As shown in fig. 1 to 3, the tracheal cannula with the air pressure indicating device according to the present utility model is further provided with a limiting member 11 in the indicating tube 5, where the limiting member 11 is used to constrain the deformation path of the spring 6 to keep the linear motion.
In the above scheme, the inventor is provided with the spring 6 and the indication buoy 7 in the indication pipe body 5, when gas is injected into the bag sleeve 2, the indication buoy 7 compresses the spring 6 to slide towards the bottom of the indication pipe body 5, and the medical staff can judge the air pressure in the bag sleeve 2 by observing the sliding distance of the indication buoy 7, so that the working efficiency of the medical staff is improved. But still exist not enough, for guaranteeing this novel atmospheric pressure detection precision, spring 6 selects for the spring 6 of the more easy deformation that produces under the same effort, has led to like this spring 6 produces deformation in horizontal easily when compression deformation, especially, the utility model discloses when clinical application, atmospheric pressure detection device 4 is in the state that the slope was placed or the level was placed generally, leads to spring 6 before being compressed, has produced deformation in horizontal, and then causes the distance that instruct buoy 7 to slide at the same effort produces the change, influences atmospheric pressure detection device 4's measurement accuracy. Therefore, in the present embodiment, the inventor also provides a limiting member 11 in the indicator housing 5, and the limiting member 11 is used to restrict the deformation path of the spring 6 so as to maintain the linear motion. Effectively avoided because spring 6 produces horizontal deformation, to the measurement accuracy of atmospheric pressure detection device 4 causes the influence, has further improved this novel security in clinical use.
As a preferred embodiment, based on the above manner, the limiting component 11 further includes a limiting cylinder 12 and a limiting post 13, the outer diameter of the spring 6 is matched with the inner diameter of the limiting cylinder 12, the spring 6 deforms under the constraint of the limiting cylinder 12, one end of the limiting post 13 is connected with the indicating buoy 7, the other end is connected with the spring 6, and the limiting post 13 transmits the pressure applied by the indicating buoy 7 to make the spring 6 compressively deform.
Specifically, in this embodiment, the limiting cylinder 12 constrains the deformation path of the spring 6, so as to avoid deformation of the spring in the lateral direction as much as possible. When the indication buoy 7 slides to the bottom of the indication tube body 5, the limiting column 13 compresses the spring 6 and stretches into the limiting cylinder 12, so that the generated pressure difference on the upper side and the lower side of the indication buoy 7 is consumed. The limit component 11 with the structure ensures the air tightness of the two sides of the indication buoy 7, thereby ensuring the measurement accuracy of the air pressure detection device 4.
In a preferred embodiment, in the above-described mode, the limiting member 11 is disposed against an inner wall of the indicator tube 5, and the limiting member 11 is disposed as a symmetrical pair along any diameter of a cross section of the indicator tube 5.
In this embodiment, the inventor considers that when the air pressure detecting device 4 is in a state of being placed obliquely or horizontally, the indication buoy 7 is caused to approach the inner wall of the indication pipe body 5 at one side, so that the friction force between each part of the indication buoy 7 and the indication pipe body 5 is different, and when the indication buoy 7 is pressed and slides, the indication buoy may incline, which affects the measurement accuracy of the air pressure detecting device 4. Therefore, in this embodiment, the inventor sets the limiting member 11 against the inner wall of the indicator tube 5, and sets the limiting member 11 as a symmetrical pair along any diameter of the cross section of the indicator tube 5. The degree of inclination generated when the indication buoy 7 slides is weakened by the constraint of the limit parts 11 which are symmetrically arranged, so that the measurement accuracy of the air pressure detection device 4 is further ensured.
As a preferred embodiment, further, the outer wall of the limiting post 13 is spaced from the inner wall of the limiting cylinder 12. By adopting the structure, the friction force generated by the contact between the outer wall of the limit post 13 and the inner wall of the limit cylinder 12 is avoided, the sensitivity of the indication buoy 7 in sliding is ensured, and the measurement accuracy of the air pressure detection device 4 is further ensured.
Example 4
As shown in fig. 1 to 3, the tracheal cannula with the air pressure indicating device according to the present utility model further comprises a pressure release valve 14, wherein the pressure release valve 14 is opened when the pressure in the cuff 2 exceeds a set value, and the air in the cuff 2 is discharged until the pressure in the cuff 2 is closed when the pressure is returned to below the new set value. By adopting the structure, the damage to the airway of a patient in the tracheal intubation is further avoided, and the safety of the novel tracheal intubation in clinical use is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The tracheal cannula with the air pressure indicating device is characterized by comprising a tracheal catheter body, wherein the tracheal catheter body is used for creating a temporary artificial respiratory passage, a cuff and an inflation catheter communicated with the cuff are arranged on the tracheal catheter body, air is injected into the cuff through the inflation catheter to expand the cuff, the tracheal catheter body is assisted to be fixed in an airway of a patient, and an air pressure detecting device is arranged on the inflation catheter and is used for measuring an air pressure value in the cuff; the air pressure detection device comprises an indication pipe body, the indication pipe body is communicated with the inflation guide pipe, a spring and an indication buoy are arranged in the indication pipe body, one end of the spring is connected with the bottom wall of the indication pipe body, and the other end of the spring is connected with the indication buoy; when gas is not injected into the bag sleeve, the spring supports the indication buoy, the indication buoy is located on one side of the top wall of the indication pipe body, when gas is injected into the bag sleeve, the indication buoy compresses the spring to slide towards the bottom of the indication pipe body, and a graduated scale is further arranged on the indication pipe body and used for measuring the sliding distance of the indication buoy in the indication pipe body.
2. The endotracheal tube with pressure indicating device of claim 1 wherein said pressure detecting device feeds back in real time the change in the pressure of the interior of said cuff as it is inflated.
3. The tracheal cannula with the air pressure indicating device according to claim 2, wherein the indicating tube body is further provided with a pressure identification area, the pressure identification area is arranged corresponding to the graduated scale, and the pressure identification area is used for assisting medical staff in judging the air pressure state in the cuff after the indicating buoy slides for a corresponding distance.
4. A tracheal cannula with a barometric indicator according to claim 3, wherein an inflation port for inflating and deflating is further provided on the indicator tube, and an inflation channel or a deflation channel formed by the inflation port avoids the pressure bearing surface of the indicator buoy.
5. The endotracheal tube with pressure indicating device of claim 4 wherein a limiting member is further provided within the indicating tube for constraining the path of deformation of the spring to maintain linear movement.
6. The endotracheal tube with air pressure indicating device of claim 5 wherein the spacing component comprises a spacing cylinder and a spacing post, the external diameter of the spring matches with the internal diameter of the spacing cylinder, the spring deforms under the constraint of the spacing cylinder, one end of the spacing post is connected with the indicating buoy, the other end is connected with the spring, the spacing post transmits the pressure that the indicating buoy receives, causing the spring to compressively deform.
7. The endotracheal tube with pressure indicating device of claim 6 wherein the spacing members are disposed against the inner wall of the indicating tube and the spacing members are disposed as a symmetrical pair along any diameter of the indicating tube cross section.
8. The endotracheal tube with pressure indicating device of claim 7 wherein the outer wall of the spacing post is spaced from the inner wall of the spacing cylinder.
9. The endotracheal tube with pressure indicating device according to any of claims 1 to 8, further comprising a pressure relief valve which opens when the pressure in the cuff exceeds a set value, venting the gas in the cuff until the pressure in the cuff closes from below the new return set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221435755.0U CN219148871U (en) | 2022-06-10 | 2022-06-10 | Tracheal cannula with air pressure indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221435755.0U CN219148871U (en) | 2022-06-10 | 2022-06-10 | Tracheal cannula with air pressure indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219148871U true CN219148871U (en) | 2023-06-09 |
Family
ID=86620124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221435755.0U Active CN219148871U (en) | 2022-06-10 | 2022-06-10 | Tracheal cannula with air pressure indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219148871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116763540A (en) * | 2023-07-14 | 2023-09-19 | 徐林刚 | Ear hole keloid postoperative compressor |
-
2022
- 2022-06-10 CN CN202221435755.0U patent/CN219148871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116763540A (en) * | 2023-07-14 | 2023-09-19 | 徐林刚 | Ear hole keloid postoperative compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3664706B1 (en) | Apparatus for measuring pressure changes in stomach | |
| CN108096676B (en) | Gasbag management formula breathing machine | |
| CN219148871U (en) | Tracheal cannula with air pressure indicating device | |
| Carroll et al. | Performance characteristics of tracheal cuffs | |
| CN203280884U (en) | Anti-backflow stomach tube capable of measuring pressure | |
| WO2023137936A1 (en) | Ventilation catheter capable of automatically regulating pressure in sealed balloon, and connecting device | |
| CN210873544U (en) | Simple tracheal catheter air bag pressure monitor | |
| CN204521890U (en) | A kind of endotracheal tube with cuff pressure indicating device | |
| Somri et al. | Simple on-line endotracheal cuff pressure relief valve | |
| CN2798977Y (en) | Laryngeal mask | |
| CN203598324U (en) | Novel safe three-channel laryngeal mask | |
| CN214807621U (en) | Medical tracheostomy cannula | |
| CN212262086U (en) | Artificial respiration bag | |
| CN211068561U (en) | Pressure visualization artificial airway intubation tube | |
| CN201030144Y (en) | Trachea conduit cuff constant pressure type air inflation instrument | |
| CN208726303U (en) | Esophagus can block type stomach tube | |
| CN211050601U (en) | Inflatable integrated tracheal catheter capable of measuring pressure | |
| Abdallah | Endotracheal tubes cuffs | |
| CN113117196A (en) | Artificial respiration bag | |
| CN219022797U (en) | Gasbag pressure measurement connects | |
| CN207722180U (en) | Fluid injects pressure and controls syringe | |
| CN220801477U (en) | Multifunctional stomach tube matched with bronchofiberscope for use | |
| CN219743601U (en) | Tracheal cannula for displaying air sac pressure value | |
| CN216908654U (en) | Stomach tube | |
| CN215741150U (en) | Tracheal catheter capable of continuously monitoring air bag pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |