CN113289185B - Multifunctional trachea cannula - Google Patents
Multifunctional trachea cannula Download PDFInfo
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- CN113289185B CN113289185B CN202110571003.0A CN202110571003A CN113289185B CN 113289185 B CN113289185 B CN 113289185B CN 202110571003 A CN202110571003 A CN 202110571003A CN 113289185 B CN113289185 B CN 113289185B
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- wall
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- inflatable
- tube
- tracheal
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- 210000003437 trachea Anatomy 0.000 title claims description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 210000002345 respiratory system Anatomy 0.000 abstract description 20
- 230000008859 change Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000002627 tracheal intubation Methods 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000004704 glottis Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010057441 Laryngeal injury Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0402—Special features for tracheal tubes not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0486—Multi-lumen tracheal tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention belongs to the technical field of medical facilities, and particularly discloses a multifunctional tracheal cannula which comprises a tracheal catheter, a ventilation joint, an inflatable balloon, an inflatable catheter and a dosing catheter, wherein the tracheal catheter is an elastic catheter body, an inflatable catheter is fixedly inserted in the tracheal catheter, the inflatable catheter extends along the length direction of the tracheal catheter, a sealed cavity is formed between the inner wall and the outer wall of the inflatable catheter, a first inflatable device is detachably connected with the cavity, the head of the tracheal catheter is sleeved with the inflatable balloon, the inflatable balloon is detachably connected with a second inflatable device through the inflatable catheter, the inner wall and the outer wall of the inflatable catheter are of corrugated structures which are folded along the circumferential direction, peaks and troughs between the inner wall and the outer wall correspond to each other, a first connecting wall is arranged between the peaks of the inner wall and the peaks of the outer wall, and a second connecting wall is arranged between the troughs of the inner wall and the troughs of the outer wall; the device effectively reduces the damage of the tracheal cannula to the respiratory tract of a patient by controlling the change of the diameter of the tracheal catheter.
Description
Technical Field
The invention relates to the technical field of medical facilities, in particular to a multifunctional trachea cannula
Background
The trachea cannula is an important medical instrument in the rescuing process of the critical patient suffering from cardiopulmonary resuscitation and respiratory dysfunction, the trachea cannula can fully supply oxygen for the patient and keep the respiratory tract unobstructed at any time, and meanwhile, the trachea cannula is the most effective and quick method for establishing the artificial airway for rescuing the critical patient.
Because the blind insertion technology is generally adopted in the tracheal intubation process, the working experience of medical staff is very studied, when the tracheal intubation is inserted from the throat, the glottis are propped up by external force, the bottom of the tracheal intubation is selected to be made into an inclined surface in the prior art, the problem of the glottis propping up is solved, the problem of laryngeal injury on one side caused by oblique insertion in the blind insertion process is frequently solved, and the wall of the traditional tracheal intubation is rubbed with the respiratory tract to damage the respiratory tract; when the trachea cannula is inserted into the corresponding position of the trachea, the gap between the trachea cannula and the periphery of the trachea is closed, so that the common trachea cannula is provided with an air bag and an air inflation tube, the arrangement of the air bag and the air inflation connecting tube is abrupt at present, the friction between the trachea cannula and the inner wall of the respiratory tract can be increased during cannula, and the inner wall of the respiratory tract is not damaged easily.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a multifunctional trachea cannula.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a multi-functional trachea cannula, includes endotracheal tube, joint, inflatable balloon, inflatable tube and dosing pipe, the endotracheal tube is the elasticity body, just interlude has the inflatable tube in the endotracheal tube, the inflatable tube is followed the length direction of endotracheal tube extends, set up to sealed cavity between the inner wall of inflatable tube and the outer wall, the cavity can be dismantled through the air inlet pipe and be connected with first aerating device, endotracheal tube head suit inflatable balloon, inflatable balloon passes through inflatable tube can dismantle and be connected with second aerating device, inflatable tube's inner wall and outer wall all set up to along the folding corrugated structure of circumference, just crest and trough between inner wall and the outer wall are corresponding respectively, be provided with first connecting wall between the crest of inner wall and the crest of outer wall, be provided with the second connecting wall between the trough of inner wall and the trough of outer wall, be provided with the through-hole on first connecting wall and the second connecting wall, just the inlet end connection of endotracheal tube the joint.
Further, one end of the tracheal catheter is connected with the ventilation joint, the other end of the tracheal catheter is provided with the inflatable air bag, and the inflatable air bag is sleeved on the outer side of the tracheal catheter.
Further, the inflatable balloon and the air tube catheter are integrally arranged.
Further, the inflation conduit is disposed within the endotracheal tube and between the endotracheal tube and the inflation conduit, the inflation conduit extends along a length direction of the endotracheal tube, and the inflation conduit extends out of the endotracheal tube.
Further, one end of the tracheal catheter inserted into the human body is provided with a closing structure.
Further, the dosing catheter is arranged between the tracheal catheter and the expansion catheter, one end of the dosing catheter is flush with the end of the insertion end of the tracheal catheter, and the other end of the dosing catheter extends out of the tracheal catheter.
Further, the dosing catheter and the inflating catheter are adhered to the inner wall of the tracheal catheter.
Further, the first and second inflators are sphygmomanometer inflatable balls.
Further, the inflation conduit, the dosing conduit and the air intake conduit all extend from the sides of the endotracheal tube.
Further, the first connecting wall and the second connecting wall are respectively arranged in a plurality of sections, and gaps between adjacent sections of the first connecting wall or the second connecting wall form the through holes.
Compared with the prior art, the multifunctional trachea cannula provided by the invention has the advantages of distinctive structure, convenience in operation and following advantages:
1) The inner tube of the tracheal catheter is internally provided with the expansion catheter, so that the diameter of the tracheal catheter in the original state is reduced and is smaller than the diameter of the existing tracheal catheter, the tracheal catheter is inserted into and pulled out of the respiratory tract of a patient during blind insertion, the friction between the outer wall of the tracheal catheter and an air bag is reduced, the respiratory tract of the patient is damaged, after the tracheal catheter is inserted into the respiratory tract of the patient, the expansion catheter can be inflated through the first inflation device, the inner diameter of the tracheal catheter is enlarged, the normal air supply of the tracheal catheter is kept, and after the tracheal catheter is used, the expansion catheter can be inflated and deflated through the first inflation device, the diameter of the tracheal catheter is reduced under the action of elastic deformation of the tracheal catheter, and the tracheal catheter is convenient to take out;
2) The outer wall and the inner wall of the expansion conduit are respectively arranged into corrugated structures along the axial direction, wave crests and wave troughs between the inner wall and the outer wall are respectively corresponding, the wave crests and the wave troughs are respectively connected by utilizing a first connecting wall and a second connecting wall, so that the expansion conduit is shaped, the expansion conduit is outwards oriented, the inner pipe of the expansion conduit is prevented from being extruded to reduce the pipe diameter of the inner pipe due to inwards expansion of the inner wall of the expansion conduit in the inflation process, the air supply air flow is insufficient, and the inner hole of the expansion conduit is expanded;
3) The wave crest and the wave trough are respectively connected through the first connecting wall and the second connecting wall, so that the outer wall and the inner wall of the expansion conduit are pulled, the thickness between the inner wall and the outer wall is basically consistent after the expansion conduit is expanded, and the defect that the air supply quantity is insufficient due to the fact that the diameter of an inner hole of the expansion conduit is reduced is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a mechanism of a multifunctional tracheal cannula.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a sectional view of B-B in fig. 1.
In the figure: 1. tracheal tube, 2, inflatable balloon, 3, inflatable tube, 4, dosing tube, 5, air intake tube, 6, expansion tube, 601, outer wall, 602, through hole, 603, inner wall, 604, first connecting wall, 605, second connecting wall, and ventilation fitting.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 3, as a multifunctional tracheal cannula according to a preferred embodiment of the present invention, the multifunctional tracheal cannula comprises a tracheal catheter 1, a ventilation connector 7, an inflatable balloon 2, an inflatable catheter 3 and a dosing catheter 4, wherein the above components are common components of the conventional tracheal cannula, and the detailed connection relationship between the components is not repeated; the tracheal catheter 1 is an elastic tube body, so that the tracheal catheter 1 has elastic deformation, namely the pipe diameter of the tracheal catheter 1 can be changed, an expansion catheter 6 is fixedly inserted into the tracheal catheter 1, and likewise, the expansion catheter is still made of elastic materials, the expansion catheter extends along the length direction of the tracheal catheter 1, the bending radian of the expansion catheter 6 is attached to the bending radian of the tracheal catheter 1, a sealed cavity is formed between the inner wall 603 and the outer wall 601 of the expansion catheter 6, the cavity is detachably connected with a first inflation device through an air inlet catheter 5, the first inflation device is connected with the cavity through the air inlet catheter 5, the first inflation device can inflate and deflate the expansion catheter 6, and then the pipe diameter of the tracheal catheter 1 is driven to change, the head of the tracheal catheter 1 is sleeved with the inflation air bag 2, and the inflation air bag 2 is detachably connected with a second inflation device through the inflation catheter 3, so that the inflation catheter 3 is inflated through the second inflation device, and the inflation catheter is inserted into a respiratory tract of a patient, and the respiratory tract is sealed after the tracheal intubation is inserted into the respiratory tract, and the principle of the prior art is not described in detail; the inner wall 603 and the outer wall 601 of the expansion conduit 6 are both provided with corrugated structures folded along the circumferential direction, peaks and troughs between the inner wall 603 and the outer wall 601 correspond to each other respectively, a first connecting wall 604 is arranged between the peaks of the inner wall 603 and the peaks of the outer wall 601, a second connecting wall 605 is arranged between the troughs of the inner wall 603 and the troughs of the outer wall 601, and through holes 602 are formed in the first connecting wall 604 and the second connecting wall 605 so as to ensure communication of the cavities, and air pressure is the same everywhere.
It should be noted that, in order to facilitate the arrangement of the through holes 602 on the first connecting wall 604 and the second connecting wall 605, in actual production, the first connecting wall 604 and the second connecting wall 605 may be respectively arranged in multiple segments, and then the gaps between the adjacent segments of the first connecting wall 604 or the second connecting wall 605 are the through holes 602, but the gaps should not be too large so as to avoid affecting ventilation.
When the multifunctional tracheal cannula provided by the invention is applied, the expansion catheter is arranged in the inner tube of the tracheal catheter 1, so that the original pipe diameter of the tracheal catheter 1 is reduced and is smaller than the diameter of the traditional tracheal catheter 1, when blind insertion is convenient, the tracheal catheter 1 is inserted into the respiratory tract of a patient, the outer wall 601 of the tracheal catheter 1 is reduced, the respiratory tract of the patient is damaged by friction between the tracheal catheter 1 and the air, after the tracheal catheter 1 is inserted into the respiratory tract of the patient, the expansion catheter 6 can be inflated through the first inflation device so as to expand the inner diameter of the tracheal catheter 1, the normal air supply of the tracheal catheter 1 is maintained, and after the use is finished, the expansion catheter 6 can be inflated and deflated through the first inflation device, and under the action of elastic deformation of the tracheal catheter 1, the diameter of the tracheal catheter 1 is reduced, and the tracheal catheter is convenient to take out;
the outer wall 601 and the inner wall 603 of the expansion conduit are respectively provided with a corrugated structure along the axial direction, the wave crests and the wave troughs between the inner wall 603 and the outer wall 601 are respectively corresponding, the first connecting wall 604 and the second connecting wall 605 are respectively connected with the wave crests and the wave troughs, the expansion conduit is shaped, so that the expansion conduit is outwards expanded in an oriented manner, and the inner pipe of the expansion conduit is prevented from being extruded due to inwards expansion of the inner wall 603 of the expansion conduit in the inflation process, so that the pipe diameter of the inner pipe is reduced, the air supply flow is insufficient, and the inner hole of the expansion conduit is expanded;
in addition, the first connecting wall 604 and the second connecting wall 605 are respectively connected with the wave crest and the wave trough, so that the outer wall 601 and the inner wall 603 of the expansion conduit 6 are pulled, the thickness between the inner wall 603 and the outer wall 601 is basically consistent after the expansion conduit 6 is expanded, and the phenomenon that the diameter of the inner tube of the expansion conduit 6 is reduced to cause insufficient air supply is avoided.
On the basis of the above embodiment, one end of the endotracheal tube 1 is connected with the ventilation connector 6 so as to be convenient for connecting with medical air supply equipment, the other end is provided with the inflatable air bag 2, the inflatable air bag 2 is sleeved on the outer side of the endotracheal tube 1, namely, the inflatable air bag 2 is arranged at one end of the endotracheal tube 1 inserted into the respiratory tract of a patient, so that the respiratory tract of the patient is sealed by inflation and inflation of the inflatable air bag 2, air supply is realized, and specific medical principles are not repeated in detail.
Preferably, the inflatable air bag 2 and the air tube catheter 1 are integrally arranged, so that stable connection between the inflatable air bag 2 and the air tube catheter 1 is ensured, and displacement or even falling off of the inflatable air bag 2 and the air tube catheter 1 caused by friction between the inflatable air bag 2 and the inner wall 603 of the respiratory tract of a patient when the air tube catheter 1 is inserted into the respiratory tract of the patient in a blind manner is avoided.
On the basis of the implementation, the inflatable balloon 2 is connected with an inflatable tube 3, the inflatable tube 3 is arranged in the tracheal tube 1 and is positioned between the tracheal tube 1 and the inflatable tube 6, the inflatable tube 3 extends along the length direction of the tracheal tube 1, and the inflatable tube 3 extends out of the tracheal tube 1 to be connected with a second inflatable device.
For better technical effect, the end of the tracheal catheter 1 inserted into the human body is set to be of a closing structure, namely, the end part is gradually contracted, the inner wall of the respiratory tract of a patient is prevented from being scratched, a certain guiding effect is achieved, and in addition, the expansion catheter 6 can be prevented from sliding forwards.
In this embodiment, the dosing catheter 4 is disposed between the tracheal catheter and the expansion catheter, one end of the dosing catheter 4 is flush with the end of the insertion end of the tracheal catheter 1, and the other end extends out of the tracheal catheter 1, and the dosing catheter 4 is effectively clamped and fixed by the tracheal catheter and the expansion catheter, so that shaking is avoided, and no additional fixing device is needed.
More specifically, both the drug delivery catheter 4 and the inflation catheter 3 are adhered to the inner wall 603 of the endotracheal tube 1.
In this embodiment, the first and second inflation devices are sphygmomanometer inflation balls, but not limited to this type, and can be any device capable of achieving the inflation and deflation functions, and are within the scope of protection of the present application.
In actual production, the inflatable tube 3, the dosing tube 4 and the air inlet tube 5 extend out from the side surface of the tracheal tube 1, and the inflatable tube 3, the dosing tube 4 and the air inlet tube 5 are sealed and fixed with the tracheal tube 1, and can be connected by adopting sealing bonding or fusion welding to avoid air leakage of the tracheal tube 1, and the inflatable tube 3, the dosing tube 4 and the air inlet tube 5 need to be penetrated out from the side surface of the tracheal tube 1 so as to avoid interference with the connection of the tracheal tube 1 to air supply equipment.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a multifunctional trachea cannula, includes endotracheal tube (1), ventilation joint (7), inflatable balloon (2), inflatable tube (3) and dosing catheter (4), its characterized in that, endotracheal tube (1) is the elasticity body, just interlude has inflatable tube (6) in endotracheal tube (1), inflatable tube (6) are followed the length direction of endotracheal tube (1) extends, set up to sealed cavity between inner wall (603) and outer wall (601) of inflatable tube (6), the cavity is connected with first aerating device through air intake pipe (5) can be dismantled, inflatable balloon (1) head suit inflatable balloon (2) can be dismantled through inflatable tube (3) is connected with second aerating device, inflatable tube (6) inner wall (603) and outer wall (601) all set up to along the corrugated structure of circumference folding, just crest and trough between inner wall (603) and outer wall (601) correspond respectively, be provided with between crest and outer wall (601) of inner wall (603) and the first trough (604) of being connected with between inner wall (603) and outer wall (601), be provided with between wall (605) and the second trough (605), and the inlet end of the tracheal catheter (1) is connected with the ventilation joint (7);
one end of the tracheal catheter (1) inserted into a human body is provided with a closing structure, the first connecting wall (604) and the second connecting wall (605) are respectively provided with a plurality of sections, and a gap between adjacent sections of the first connecting wall (604) or the second connecting wall (605) forms a through hole (602);
the dosing catheter (4) and the inflating catheter (3) are adhered to the inner wall of the tracheal catheter (1).
2. A multifunctional tracheal cannula according to claim 1, characterized in that the inflatable balloon (2) is sleeved outside the tracheal catheter.
3. A multifunctional tracheal cannula according to claim 2, characterized in that the inflatable balloon (2) and the tracheal catheter (1) are integrally arranged.
4. A multifunctional endotracheal tube according to claim 3, characterised in that the inflatable tube (3) is arranged inside the endotracheal tube (1) between the endotracheal tube (1) and an inflatable tube (6), that the inflatable tube (3) extends in the length direction of the endotracheal tube (1), and that the inflatable tube (3) extends out of the endotracheal tube (1).
5. A multifunctional tracheal cannula according to claim 1, characterized in that the dosing catheter (4) is arranged between the tracheal catheter (1) and the expansion catheter (6), one end of the dosing catheter (4) is flush with the end of the insertion end of the tracheal catheter (1), and the other end extends out of the tracheal catheter (1).
6. The multifunctional tracheal cannula of claim 1 wherein the first and second inflation devices inflate a sphygmomanometer balloon.
7. A multifunctional endotracheal tube according to claim 1, characterized in that the inflating tube (3), the dosing tube (4) and the air intake tube (5) all protrude from the sides of the endotracheal tube (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571003.0A CN113289185B (en) | 2021-05-25 | 2021-05-25 | Multifunctional trachea cannula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110571003.0A CN113289185B (en) | 2021-05-25 | 2021-05-25 | Multifunctional trachea cannula |
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| CN113289185A CN113289185A (en) | 2021-08-24 |
| CN113289185B true CN113289185B (en) | 2024-03-08 |
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| CN202110571003.0A Active CN113289185B (en) | 2021-05-25 | 2021-05-25 | Multifunctional trachea cannula |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115300740A (en) * | 2022-07-07 | 2022-11-08 | 香港大学深圳医院 | Universal trachea cannula and air pressure control method thereof |
| CN116833175B (en) * | 2023-09-01 | 2023-12-01 | 江苏英斯坦福环境科技有限公司 | Tracheal catheter wall cleaner |
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