CN113289185A - Multifunctional trachea cannula - Google Patents
Multifunctional trachea cannula Download PDFInfo
- Publication number
- CN113289185A CN113289185A CN202110571003.0A CN202110571003A CN113289185A CN 113289185 A CN113289185 A CN 113289185A CN 202110571003 A CN202110571003 A CN 202110571003A CN 113289185 A CN113289185 A CN 113289185A
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- catheter
- wall
- inflatable
- endotracheal tube
- tracheal
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- 210000003437 trachea Anatomy 0.000 title claims description 20
- 239000003814 drug Substances 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 229940079593 drug Drugs 0.000 claims description 4
- 210000002345 respiratory system Anatomy 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000000241 respiratory effect Effects 0.000 description 4
- 238000002627 tracheal intubation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000251468 Actinopterygii Species 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
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction 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
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004704 glottis Anatomy 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
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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 air bag, an inflatable catheter and a medicine feeding catheter, wherein the tracheal catheter is an elastic tube body, the inflatable catheter is fixedly inserted in the tracheal catheter and extends along the length direction of the tracheal catheter, a sealed cavity is arranged between the inner wall and the outer wall of the inflatable catheter, the cavity is detachably connected with a first inflation device, the head part of the tracheal catheter is sleeved with the inflatable air bag, the inflatable air bag is detachably connected with a second inflation device through the inflatable catheter, the inner wall and the outer wall of the inflatable catheter are both provided with corrugated structures which are folded along the circumferential direction, the wave crests and the wave troughs between the inner wall and the outer wall correspond to each other respectively, a first connecting wall is arranged between the wave crests of the inner wall and the wave crests of the outer wall, and a second connecting wall is arranged between the wave troughs of the inner wall and the wave troughs of the outer wall; the device effectively reduces the damage of the tracheal cannula to the respiratory tract of the patient by controlling the change of the pipe 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 process of rescuing patients with cardiopulmonary resuscitation and critical patients with respiratory dysfunction, can fully supply oxygen for the patients and keep the respiratory tract unobstructed at any time, and is the most effective and rapid method for rescuing the critical patients to establish the artificial airway.
Because the blind insertion technology is generally adopted in the process of trachea intubation, the blind insertion is very good for the working experience of medical workers, when the trachea intubation is inserted from the throat, the glottis needs to be opened by external force, and in the prior art, the bottom of the trachea intubation is selected to be made into an oblique plane; when the trachea cannula is inserted into the corresponding position of a trachea, because the clearance between the trachea cannula and the periphery of the trachea needs to be sealed, the common trachea cannula is provided with the air bag and the inflation tube, but the arrangement of the air bag and the air bag inflation connecting tube is more abrupt at present, the friction between the trachea cannula and the inner wall of a respiratory tract during the intubation can be increased, and the inner wall of the respiratory tract is not easily damaged.
Disclosure of Invention
In view of the problems in the prior art, the invention aims to provide a multifunctional tracheal cannula.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a multifunctional tracheal cannula comprises a tracheal catheter, a ventilation joint, an inflatable airbag, an inflatable catheter and a drug-adding catheter, wherein the tracheal catheter is an elastic tube body, the inflatable catheter is inserted into the tracheal catheter in an inserting mode, the inflatable catheter extends along the length direction of the tracheal catheter, a sealed cavity is arranged between the inner wall and the outer wall of the inflatable catheter, the cavity is detachably connected with a first inflating device through the air inlet catheter, the head of the tracheal catheter is sleeved with the inflatable airbag, the inflatable airbag is detachably connected with a second inflating device through the inflatable catheter, the inner wall and the outer wall of the inflatable catheter are both of a corrugated structure which is folded along the circumferential direction, the wave crests and the wave troughs between the inner wall and the outer wall are respectively corresponding, a first connecting wall is arranged between the wave crests of the inner wall and the wave crests of the outer wall, and a second connecting wall is arranged between the wave troughs of the inner wall and the wave troughs of the outer wall, the first connecting wall and the second connecting wall are provided with through holes, and the inlet end of the tracheal catheter is connected with the ventilation joint.
Furthermore, one end of the tracheal catheter is connected with the ventilation connector, 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 air bag and the tracheal catheter are integrally arranged.
Further, the inflation catheter is arranged in the tracheal catheter and located between the tracheal catheter and the inflation catheter, the inflation catheter extends along the length direction of the tracheal catheter, and the inflation catheter extends out of the tracheal catheter.
Furthermore, one end of the tracheal catheter inserted into the human body is provided with a closing structure.
Furthermore, the drug adding catheter is arranged between the tracheal catheter and the expansion catheter, one end of the drug adding catheter is flush with the end part of the insertion end of the tracheal catheter, and the other end of the drug adding catheter extends out of the tracheal catheter.
Further, the medicine feeding catheter and the air inflation catheter are both adhered to the inner wall of the tracheal catheter.
Further, the first inflating device and the second inflating device are inflatable balls of a sphygmomanometer.
Further, the inflation catheter, the medicine adding catheter and the air inlet catheter all extend out of the side face of the tracheal catheter.
Further, the first connecting wall and the second connecting wall are respectively provided with a plurality of sections, and the through holes are formed by gaps between adjacent sections of the first connecting wall or the second connecting wall.
Compared with the prior art, the multifunctional trachea cannula provided by the invention has the advantages of unique structure, convenience in operation and the following advantages:
1) the expansion catheter is arranged in the inner tube of the tracheal catheter, the diameter of the tracheal catheter in the original state can be reduced and is smaller than the diameter of the conventional tracheal catheter, so that the tracheal catheter can be inserted into and pulled out of a respiratory tract of a patient during blind insertion, the respiratory tract of the patient is damaged by friction between the outer wall of the tracheal catheter and an air bag, the expansion catheter can be inflated through the first inflation device after the tracheal catheter is inserted into the respiratory tract of the patient, the inner diameter of the tracheal catheter is enlarged, normal air supply of the tracheal catheter is kept, the expansion catheter can be inflated and deflated through the first inflation device after use is finished, 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 to be of a corrugated structure along the axial direction, the wave crests and the wave troughs between the inner wall and the outer wall are respectively corresponding, the first connecting wall and the second connecting wall are respectively connected with the wave crests and the wave troughs, the expansion conduit is shaped, so that the expansion conduit is expanded outwards in a directional mode, the situation that the inner wall of the expansion conduit expands inwards in the inflation process to extrude the inner tube of the expansion conduit, the pipe diameter of the inner tube is reduced, the air supply airflow is insufficient, and the inner hole of the expansion conduit is expanded is avoided;
3) connect crest and trough respectively through first connection wall and second connection wall, realize dragging between the outer wall of inflation pipe and the inner wall, guarantee that the inflation pipe takes place the inflation back, thickness between inner wall and the outer wall is unanimous basically, avoids the diameter of the hole of inflation pipe to diminish, causes the air feed volume not enough.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic mechanism diagram of a multifunctional trachea cannula.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
In the figure: 1. the tracheal catheter, 2, an inflatable balloon, 3, an inflatable catheter, 4, a drug-adding catheter, 5, an air inlet catheter, 6, an expansion catheter, 601, an outer wall, 602, a through hole, 603, an inner wall, 604, a first connecting wall, 605, a second connecting wall and 7, a ventilation joint.
Detailed Description
The technical solution 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 is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, a multifunctional endotracheal tube as a preferred embodiment of the present invention includes an endotracheal tube 1, a ventilation joint 7, an inflatable balloon 2, an inflatable tube 3 and a drug-adding tube 4, which are common components of the conventional endotracheal tube, and the detailed connection relationship is not repeated; the tracheal catheter 1 is an elastic tube body, so that the tracheal catheter 1 has elastic deformation, namely the tube diameter of the tracheal catheter 1 can be changed, an expansion catheter 6 is fixedly inserted into the tracheal catheter 1, the expansion catheter is also 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 fitted with the bending radian of the tracheal catheter 1, a sealed cavity is arranged 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 expansion catheter 6 can be inflated and deflated through the first inflation device, the change of the tube diameter of the tracheal catheter 1 is further driven, the head of the tracheal catheter 1 is sleeved with the inflation airbag 2, and the inflation airbag 2 is detachably connected with a second inflation device through the inflation catheter 3, the inflation catheter 3 is inflated through the second inflation device to seal the trachea cannula with the respiratory tract after being inserted into the respiratory tract of the patient, and the specific principle is not detailed any more and is the prior art; the inner wall 603 and the outer wall 601 of the expansion conduit 6 are both provided with a corrugated structure folded along the circumferential direction, the wave crests and the wave troughs between the inner wall 603 and the outer wall 601 respectively correspond to each other, a first connecting wall 604 is arranged between the wave crests of the inner wall 603 and the wave crests of the outer wall 601, a second connecting wall 605 is arranged between the wave troughs of the inner wall 603 and the wave troughs of the outer wall 601, through holes 602 are formed in the first connecting wall 604 and the second connecting wall 605 to ensure the communication of the cavities, and the air pressure at each position is the same.
It should be noted that, in order to facilitate the through holes 602 to be formed in 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 formed in multiple segments, and then the gap between adjacent segments of the first connecting wall 604 or the second connecting wall 605 is the through hole 602, but the gap should not be set too large to avoid affecting the ventilation amount.
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 state pipe diameter of the tracheal catheter 1 is reduced and is smaller than the diameter of the conventional tracheal catheter 1, the tracheal catheter 1 can be conveniently inserted into and pulled out of the respiratory tract of a patient in a blind insertion mode, the respiratory tract of the patient is damaged by the friction of the outer wall 601 of the tracheal catheter 1 and an air bag, 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 that the inner diameter of the tracheal catheter 1 is enlarged, the normal air supply of the tracheal catheter 1 is maintained, and after the multifunctional tracheal cannula is used, the expansion catheter 6 can be inflated and deflated through the first inflation device, the diameter of the tracheal catheter 1 is reduced under the effect of elastic deformation of the;
the outer wall 601 and the inner wall 603 of the expansion conduit are respectively arranged to be of 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 to realize the shaping of the expansion conduit, so that the expansion conduit is expanded outwards in a directional manner, the phenomenon that the inner wall 603 of the expansion conduit is expanded inwards in the inflation process to cause the extrusion of the inner tube of the expansion conduit, the diameter of the inner tube is reduced, the air supply flow is insufficient, and the inner hole of the expansion conduit is expanded is avoided;
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 problem that the air supply quantity is insufficient due to the fact that the diameter of the inner pipe of the expansion conduit 6 is reduced is solved.
On the basis of the above embodiment, tracheal tube 1's one end is connected ventilation joint 6 to in connection medical air supply equipment, the other end sets up aerify gasbag 2, aerify 2 suits of gasbag in tracheal tube 1's outside, promptly aerify gasbag 2 and set up the one end of inserting patient's respiratory track at tracheal tube 1, inflate inflation and then seal patient's respiratory track through aerifing gasbag 2, realize the air feed, concrete medical principle is no longer detailed and is repeated.
Preferably, the inflatable airbag 2 and the endotracheal tube 1 are integrally arranged, so that stable connection between the inflatable airbag 2 and the endotracheal tube 1 is ensured, and displacement and even falling off of the inflatable airbag 2 and the endotracheal tube 1 caused by friction between the inflatable airbag 2 and the inner wall 603 of the airway of the patient when the endotracheal tube 1 is inserted into the airway of the patient blindly are avoided.
In addition to the above embodiment, the inflatable balloon 2 is connected to an inflatable catheter 3, the inflatable catheter 3 is disposed in the endotracheal tube 1 and located between the endotracheal tube 1 and the inflatable catheter 6, the inflatable catheter 3 extends along the length direction of the endotracheal tube 1, and the inflatable catheter 3 extends out of the endotracheal tube 1 to be connected to a second inflation device.
For better technical effect, the one end that endotracheal tube 1 inserted the human body sets up to binding off structure, and the tip contracts gradually promptly, avoids fish tail patient's respiratory track inner wall, and plays certain guide effect, in addition, can block that inflation pipe 6 slides forward.
In this embodiment, add medicine pipe 4 and set up between endotracheal tube and the inflation pipe, add medicine pipe 4 one end with endotracheal tube 1's the tip parallel and level that inserts the end, the other end stretches out endotracheal tube 1 through endotracheal tube and the effective centre gripping of inflation pipe fixed medicine pipe 4 avoids rocking, need not extra fixing device.
More specifically, the medicated catheter 4 and the inflation catheter 3 are both adhered to the inner wall 603 of the endotracheal tube 1.
In this embodiment, the first inflation device and the second inflation device are inflatable balls of a sphygmomanometer, but the first inflation device and the second inflation device are not limited to this type, and any device capable of achieving inflation and deflation functions may be used, and all of them are within the protection scope of the present application.
In actual production, aerify pipe 3, add medicine pipe 4 and intake duct 5 and all stretch out from endotracheal tube 1's side, and aerify pipe 3, add medicine pipe 4 and intake duct 5 and all seal fixedly with endotracheal tube 1, can adopt sealed bonding or fusion welding to be connected, avoid endotracheal tube 1 gas leakage, it needs to notice that to wear out aerify pipe 3, add medicine pipe 4 and intake duct 5 from endotracheal tube 1's side to avoid disturbing endotracheal tube 1 and connect air feeder.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred 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 (10)
1. A multifunctional tracheal cannula comprises a tracheal catheter (1), a ventilation joint (7), an inflatable airbag (2), an inflatable catheter (3) and a dosing catheter (4), and is characterized in that the tracheal catheter (1) is an elastic tube body, an inflatable catheter (6) is inserted into the tracheal catheter (1), the inflatable catheter (6) extends along the length direction of the tracheal catheter (1), a sealed cavity is arranged between the inner wall (603) and the outer wall (601) of the inflatable catheter (6), the cavity is detachably connected with a first inflation device through an air inlet catheter (5), the head of the tracheal catheter (1) is sleeved with the inflatable airbag (2), the inflatable airbag (2) is detachably connected with a second inflation device through the inflatable catheter (3), and both the inner wall (603) and the outer wall (601) of the inflatable catheter (6) are arranged to be of a corrugated structure which is folded along the circumferential direction, and the wave crests and the wave 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 wave crest of the inner wall (603) and the wave crest of the outer wall (601), a second connecting wall (605) is arranged between the wave trough of the inner wall (603) and the wave trough of the outer wall (601), through holes (602) are formed in the first connecting wall (604) and the second connecting wall (605), and the inlet end of the tracheal catheter (1) is connected with the ventilation joint (7).
2. The multifunctional endotracheal tube according to claim 1, characterized in that the inflatable balloon (2) is fitted over the outside of the endotracheal tube.
3. The multifunctional endotracheal tube according to claim 2, characterized in that the inflatable balloon (2) and the endotracheal tube (1) are integrally provided.
4. A multifunctional endotracheal tube according to claim 3, characterized in that the inflation tube (3) is arranged inside the endotracheal tube (1) between the endotracheal tube (1) and the inflation tube (6), the inflation tube (3) extending in the length direction of the endotracheal tube (1), and the inflation tube (3) protruding out of the endotracheal tube (1).
5. The multifunctional trachea cannula according to claim 1, wherein the end of the trachea cannula (1) inserted into the human body is provided with a closing structure.
6. The multifunctional endotracheal tube according to claim 1, characterized in that the medicated catheter (4) is arranged between the endotracheal tube (1) and the inflation catheter (6), one end of the medicated catheter (4) being flush with the end of the insertion end of the endotracheal tube (1), the other end protruding out of the endotracheal tube (1).
7. The multifunctional trachea cannula according to claim 3 or 6, characterized in that the drug adding duct (4) and the inflation duct (3) are both adhered to the inner wall of the trachea duct (1).
8. The multifunctional endotracheal tube of claim 1, wherein the first and second inflators are sphygmomanometer inflatable balls.
9. The multifunctional endotracheal tube according to claim 1, characterized in that the inflation catheter (3), the medicated catheter (4) and the air intake catheter (5) all protrude from the side of the endotracheal tube (1).
10. The multifunctional endotracheal tube according to claim 1, characterized in that the first connection wall (604) and the second connection wall (605) are respectively provided in a plurality of segments, and gaps between adjacent segments of the first connection wall (604) or the second connection wall (605) form the through holes (602).
Priority Applications (1)
| 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 true CN113289185A (en) | 2021-08-24 |
| CN113289185B CN113289185B (en) | 2024-03-08 |
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Cited By (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 |
| CN116833175A (en) * | 2023-09-01 | 2023-10-03 | 江苏英斯坦福环境科技有限公司 | Tracheal catheter wall cleaner |
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