CN113995931A - Sleeve type tracheal cannula with variable tube diameter - Google Patents
Sleeve type tracheal cannula with variable tube diameter Download PDFInfo
- Publication number
- CN113995931A CN113995931A CN202111295987.0A CN202111295987A CN113995931A CN 113995931 A CN113995931 A CN 113995931A CN 202111295987 A CN202111295987 A CN 202111295987A CN 113995931 A CN113995931 A CN 113995931A
- Authority
- CN
- China
- Prior art keywords
- tube
- variable
- double
- air bag
- bag
- 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.)
- Withdrawn
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 25
- 238000009423 ventilation Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 210000000621 bronchi Anatomy 0.000 abstract description 18
- 210000004072 lung Anatomy 0.000 abstract description 12
- 210000003437 trachea Anatomy 0.000 description 15
- 210000002345 respiratory system Anatomy 0.000 description 7
- 210000004712 air sac Anatomy 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000013276 bronchoscopy Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000002489 tectorial membrane Anatomy 0.000 description 3
- 206010036790 Productive cough Diseases 0.000 description 2
- 208000007123 Pulmonary Atelectasis Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000003802 sputum Anatomy 0.000 description 2
- 208000024794 sputum Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
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
-
- 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
- A61M16/0475—Tracheal tubes having openings in the tube
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a sleeve type tracheal cannula with a variable tube diameter, which comprises a double-sac side-hole bronchial cannula and a variable inner-diameter sheath tube, wherein the variable inner-diameter sheath tube is inserted into the double-sac side-hole bronchial cannula, the front end of the tracheal cannula is sleeved with a first air bag and a second air bag, a breathing hole is formed in a tube body between the first air bag and the second air bag, a plugging air bag is arranged at the front end of the variable inner-diameter sheath tube, and when the variable inner-diameter sheath tube is inserted into the double-sac side-hole bronchial cannula, the plugging air bag crosses the breathing hole and plugs the tube body of the double-sac side-hole bronchial cannula after being inflated. The diameter of the variable inner diameter sheath tube of the tracheal cannula can be adjusted according to the requirement, and the aim of lung ventilation or bronchus blockage at any side can be fulfilled without replacing sheath tubes with different diameters, so that the difficulty and risk of operation are reduced; meanwhile, the diameter of the sheath tube is convenient to adjust, the diameter of the sheath tube can be adjusted by pressing down or pulling up, and the operation is convenient.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a sleeve type tracheal cannula with a variable tube diameter.
Background
The common trachea cannula for the single lung ventilation operation comprises double-cavity endobronchial catheters (DLTs) and single-cavity bronchial catheters, wherein the double-cavity bronchial catheters are of a one-tube two-cavity structure and two openings, one opening of each catheter is located in a trachea section of each catheter, and the other opening of each catheter is located in a side bronchial section. The diameter of single chamber endotracheal tube can be done littleer down in comparison, prevents to damage the respiratory track when the intubate, and is unlikely to the condition that the lumen is too narrow and can't pass through the bronchoscope.
In order to solve the technical problem, the invention with application number 201922049643.6 discloses a sleeve type tracheal cannula, which comprises a tracheal cannula and a sheath tube, wherein the sheath tube is inserted into a lumen of the tracheal cannula and is detachably connected with the tracheal cannula. The front end of the trachea cannula is provided with two air bags which are a first air bag and a second air bag respectively, a breathing hole is formed in the trachea cannula between the first air bag and the second air bag, a branch pipe communicated with the trachea cannula is obliquely arranged at the rear end of the trachea cannula, the tail ends of the trachea cannula and the branch pipe are fixedly provided with a respirator connector, and a sealing cover is further fixed on the trachea cannula. The front end of the sheath tube is fixed with a plugging air bag, the rear end of the sheath tube is provided with a positioning retainer ring, the trachea cannula can solve the problem that a patient with a difficult airway needs single lung ventilation, the double-cavity trachea catheter is thick, the aim of multiple purposes of one object is achieved, the risk brought to the patient due to the fact that different medical instruments are replaced can be reduced, meanwhile, the outer diameter of the trachea cannula is smaller than the double-cavity bronchial catheter, the inner diameter of the trachea cannula is larger than the ventilation cross section, airway pressure during single lung ventilation is reduced, and the risk of respiratory tract injury is reduced.
However, the above device has the following problems: the pipe diameter of the sheath pipe of the trachea cannula can not be adjusted, the sheath pipe with different pipe diameters needs to be replaced to operate when different side lung ventilation operations and bronchus plugging are carried out on a patient, the risk of an airway is increased, and the pipe replacing procedure in the operation is complicated.
Disclosure of Invention
The invention aims to solve the technical problems of the double-cavity bronchial catheter, and designs a sleeve type tracheal cannula with a variable tube diameter, wherein the tube diameter of a sheath tube of the tracheal cannula can be adjusted according to requirements, and the purpose of lung ventilation or bronchial blockage at any side can be achieved without replacing sheath tubes with different tube diameters, and the purpose of clearing an airway and bronchoscopy can also be achieved, so that the difficulty and risk of operation are reduced; meanwhile, the diameter of the sheath tube is convenient to adjust, the diameter of the sheath tube can be adjusted by pressing down or pulling up, and the operation is convenient.
In order to achieve the above purpose and achieve the above technical effects, the present invention is implemented by the following technical solutions:
a sleeve type tracheal cannula with a variable tube diameter comprises a double-bag bronchial cannula with side holes and a variable inner-diameter sheath tube, wherein the variable inner-diameter sheath tube is inserted into the double-bag bronchial cannula with the side holes, a first air bag and a second air bag are sleeved at the front end of the double-bag bronchial cannula with the side holes, the rear end of the double-bag bronchial cannula with the side holes is connected with a branch tube in a penetrating manner, a breathing hole is formed in a tube body between the first air bag and the second air bag, a plugging air bag is arranged at the front end of the variable inner-diameter sheath tube, when the variable inner-diameter sheath tube is inserted into the double-bag bronchial cannula with the side holes, the end part of the variable inner-diameter sheath tube and the plugging air bag can form a sealing state for a main tube of the double-bag bronchial cannula with the side holes, the branch tube and the breathing hole form a ventilation channel, and the plugging air bag crosses the breathing hole and forms a plug for the tube body of the double-bag bronchial cannula with the side holes after being inflated; the variable inner diameter sheath tube is connected with the respirator to realize the insertion side ventilation, and the branch tube is connected with the respirator to realize the opposite side ventilation.
Further, but variable internal diameter sheath pipe includes sheath pipe plug and variable body, and on the variable body was fixed in the sheath pipe plug, be equipped with sealed buckle closure on the sheath pipe plug, sealed buckle closure can be closed and be in the breathing machine of two bags area side opening bronchus intubate connect in order to take the person in charge of side opening bronchus intubate to two bags to form sealedly, and sealed buckle closure top is drawn forth and is aerifyd the joint with the third of shutoff gasbag through connection, but variable body is including variable pipe network and elasticity tectorial membrane, and the shutoff gasbag is fixed in the front end of elasticity tectorial membrane, but the tip of sheath pipe plug is fixed in to variable pipe network, and elasticity tectorial membrane cover is fixed in on the variable pipe network, and variable pipe network is the netted body structure that a plurality of rhombus net was constituteed, and four summits of rhombus net are the pin joint, but variable body is under tensile or the compression tapering or thickening.
Furthermore, the elastic covering film is made of a polypropylene material.
Furthermore, a first inflation connector and a second inflation connector are fixed at the rear end of the tube body of the double-bag bronchial cannula with the side hole, and the first inflation connector and the second inflation connector are respectively communicated with the first air bag and the second air bag.
Further, the outer diameter of the sheath tube with the variable inner diameter is in the range of 2.5cm-7.5 cm.
Furthermore, a sealing cover is fixed at the rear end of the double-sac side-hole bronchial cannula, and the sealing cover can be covered on the double-sac side-hole bronchial cannula or a breathing machine joint of the branch tube.
The invention has the beneficial effects that: 1. the tracheal cannula can solve the problem that a double-lumen tracheal catheter is thick when a patient with a difficult airway needs single lung ventilation, and solves the intra-operative risk caused by replacing a double-lumen tube with a single-lumen tube; 2. the double-sac bronchial cannula with the side holes has smaller outer diameter than a double-chamber bronchial blocking catheter, prevents respiratory tract injury, and can be applied to adults and children; 3. the double-bag bronchial cannula with the side holes is double-interface, and can perform sputum aspiration operation and bronchoscopy without plugging a breathing machine pipeline, so that the sputum aspiration is safer; 4. the diameter of the variable inner diameter sheath can be adjusted according to the requirement, the aim of ventilating or blocking the bronchus at any side can be achieved without changing sheath tubes with different diameters, the alternate ventilation of the lung at any side, the airway cleaning and the bronchoscopy are realized, and the difficulty and the risk of the operation are reduced; meanwhile, the diameter of the sheath tube is convenient to adjust, the diameter of the sheath tube can be adjusted by pressing down or pulling up, and the operation is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an assembled structure of a telescopic endotracheal tube of variable tube diameter;
FIG. 2 is a schematic view of the construction of the variable inner diameter sheath;
fig. 3 is a schematic view of the state of use of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-double-sac side-hole bronchial cannula, 2-first air sac, 3-second air sac, 4-first inflation connector, 5-second inflation connector, 6-branch pipe, 7-variable inner diameter sheath pipe, 8-sealing cover, 9-breathing hole, 10-elastic coating, 11-sealing air sac, 12-sheath pipe plug, 13-sealing buckle cover, 14-third inflation connector, 15-variable pipe network, 16-diamond grid and 17-hinge point.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 figure 1, a sleeve type tracheal cannula with a variable tube diameter comprises a double-bag bronchial cannula with side holes 1 and a variable inner diameter sheath tube 7, wherein the variable inner diameter sheath tube 7 is inserted into the double-bag bronchial cannula with side holes 1, a first air bag 2 and a second air bag 3 are sleeved at the front end of the double-bag bronchial cannula with side holes 1, a branch tube 6 communicated with the double-bag bronchial cannula with side holes 1 is obliquely arranged at the rear end of the double-bag bronchial cannula with side holes, a sealing cover 8 is fixed at the rear end of the double-bag bronchial cannula with side holes 8, and the sealing cover 8 can be covered on the respirator connector of the double-bag bronchial cannula with side holes 1 or the branch tube 6. Be equipped with on the body between first gasbag 2 and the second gasbag 3 and breathe the entrance to a cave 9, the body rear end of two-bag area side opening bronchus intubate is fixed with first aerify and connects 4 to close second and aerify and connect 5, and first aerify and connect 4 and second and aerify and connect 5 respectively with first gasbag 2 and second gasbag 3 through connections. The front end of the variable inner diameter sheath tube 7 is provided with a plugging air bag 11, when the variable inner diameter sheath tube 7 is inserted into the trachea cannula 1, a sealing buckle cover 13 at the end part of the variable inner diameter sheath tube 7 can be buckled on a breathing machine joint of a main tube of the double-bag bronchial cannula with the side hole, the plugging air bag 11 crosses the breathing hole 9, the plugging air bag forms plugging on the tube body of the double-bag bronchial cannula with the side hole after being inflated, the sealing buckle cover 13 and the inflated plugging air bag 11 form a sealing state on the main tube of the double-bag bronchial cannula with the side hole, a branch tube of the double-bag bronchial cannula with the side hole and the breathing hole 9 form a ventilation channel, and the ventilation channel can meet the lung ventilation of a healthy side. The variable inner diameter sheath tube is connected with the respirator to realize the insertion side ventilation, and the branch tube is connected with the respirator to realize the opposite side ventilation.
As shown in fig. 2, the variable inner diameter sheath tube 7 includes a sheath tube plug 12 and a variable tube body, the variable tube body is fixed on the sheath tube plug 12, a sealing cover 13 is arranged on the sheath tube plug 12, the sealing cover 13 can cover the respirator joint of the main tube of the double-balloon bronchial cannula with side holes, a third inflation joint 14 connected with the blocking airbag is led out from one side of the sealing cover 13, the variable tube body includes a variable tube network 15 and an elastic coating film 10, the blocking airbag 11 is fixed at the front end of the elastic coating film 10, the variable tube network 15 is fixed at the end of the sheath tube plug 12, the elastic coating film 10 covers the variable tube network 15, the elastic coating film is made of polypropylene material, the elastic coating film 10 has elasticity and can be tightly attached to the outer wall of the variable tube network, the variable tube network is a mesh-shaped tube body structure composed of a plurality of diamond-shaped meshes 16, and four vertexes of the diamond-shaped meshes are all hinge points 17, the variable pipe body is thinned or thickened under the action of stretching or compression.
In this embodiment, the outer diameter of the sheath tube 7 with a variable inner diameter varies from 2.5cm to 7.5 cm.
One specific application of the device is as follows:
the double-bag bronchial cannula with the side hole is inserted along the respiratory tract of a patient, the front end of the double-bag bronchial cannula with the side hole is inserted into the left bronchus of the patient, a breathing hole 9 is positioned in a main bronchus above the airway opening of the right bronchus, enough gas is respectively injected into the first air bag 2 and the second air bag 3 through the first inflation connector 4 and the second inflation connector 5, the first air bag 2 and the second air bag 3 are fixed in the respiratory tract and the left bronchus after being inflated (in order to avoid the variation problem of the airway opening of the right upper lobe bronchus, the left double-bag bronchial catheter with the side hole is usually selected clinically), and the main airway is blocked by the second air bag 3 at the moment. The breathing machine pipeline is sleeved on a breathing machine joint of the double-bag bronchial cannula with the side holes, the breathing machine joint on the branch pipe 6 is plugged by the sealing cover 8, the breathing machine is opened, then the left and right bronchi can be ventilated through the tracheal cannula, and the double-bag bronchial cannula with the side holes is a conventional or common breathing pipeline.
The variable inner diameter sheath tube 7 is inserted into the respirator joint along the tail end of the trachea cannula 1 until the sealing buckle cover 13 is inserted into the respirator joint so as to seal the main tube of the double-sac side-hole bronchial cannula, the sealing buckle cover 13 seals the tail end of the double-sac side-hole bronchial cannula 1, and the plugging air sac 11 crosses the breathing hole 9 and reaches the front end of the double-sac side-hole bronchial cannula at the moment. The third inflation connector 14 is connected with an injector to inflate, the plugging air bag 14 expands after being inflated and plugs the front end of the double-bag bronchial cannula with the side hole, so that a left bronchial tube is plugged, a breathing machine pipeline can be connected to the respirator connector of the branch tube 6 at the moment, the right bronchial tube is ventilated through the breathing hole 9, airflow flows along a gap between the sheath tube and the inner wall of the double-bag bronchial cannula with the side hole, and normal oxygen supply of a patient in operation is guaranteed. The bronchus cannula 1 with the side hole on the double sac of the left bronchus is blocked, so that the risk caused by the blood entering the respiratory tract in the operation process is prevented, the lung collapse can be realized by the left lung, and the suction of the left lung is realized; after the left bronchus is blocked, the variable inner diameter sheath 7 is pressed, in the pressing process, the middle part of the rhombic grid 16 of the variable pipe network 15 is gradually propped open, the pipe diameter of the variable pipe network 15 becomes thick, the elastic coating 10 is propped open under the expansion of the radial expansion force of the variable pipe network 15, the outer wall sealing performance of the variable inner diameter sheath 7 can be ensured by the elastic coating 10, after the inner diameter of the variable inner diameter sheath 7 is expanded, an operator can stretch surgical instruments into the left bronchus through the variable inner diameter sheath 7 for surgical operation, (if the left bronchus is required to be ventilated, the pipe diameter of the variable inner diameter sheath can be further expanded, the respirator joint at the tail part of the variable inner diameter sheath is connected to a respirator, the ventilation purpose of the left bronchus is realized, and at the time, the branch pipe can be used for lung collapse of the right lung), and the safety of the operation is ensured. This two-bag area side opening bronchial tube is single chamber formula body, and its external diameter compares and can accomplish more thinly in two-chamber bronchial tube, and two-chamber pipe is to the damage of respiratory tract and the stimulation to the patient when reducing the intubate, and it not only can be used to adult's respiratory tract intubate still can be applied to difficult airway patient and children's airway intubate.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A sleeve type tracheal cannula with a variable tube diameter is characterized by comprising a double-bag bronchial cannula with a side hole and a sheath tube with a variable inner diameter, the variable inner diameter sheath tube is inserted in the double-bag bronchial cannula with the side hole, the front end of the double-bag bronchial cannula with the side hole is sleeved with a first air bag and a second air bag, the rear end of the double-bag bronchial cannula with the side hole is connected with a branch tube in a run-through manner, a breathing hole is arranged on a tube body between the first air bag and the second air bag, the front end of the sheath tube with variable inner diameter is provided with a plugging air bag, when the sheath tube with variable inner diameter is inserted into the double-bag bronchial cannula with the side hole, the end part of the sheath tube with the variable inner diameter and the plugging air bag can form a sealing state for the main tube of the double-bag bronchial cannula with the side hole, the branch pipe and the breathing hole form a ventilation channel, and the plugging air bag crosses the breathing hole and plugs the pipe body of the double-bag side-hole bronchial cannula after being inflated; the variable inner diameter sheath tube is connected with the respirator to realize the insertion side ventilation, and the branch tube is connected with the respirator to realize the opposite side ventilation.
2. The telescopic endotracheal tube of claim 1 wherein said variable inner diameter sheath includes a sheath plug and a variable body, the variable tube body is fixed on a sheath tube plug, a sealing buckle cover is arranged on the sheath tube plug, the sealing buckle cover can be covered on a breathing machine joint of the double-bag bronchial cannula with the side hole to seal a main tube of the tracheal cannula, a third inflation joint communicated with the plugging air bag is led out above the sealing buckle cover, the variable pipe body comprises a variable pipe network and an elastic coating film, the plugging air bag is fixed at the front end of the elastic coating film, the variable pipe network is fixed at the end part of the sheath pipe plug, the elastic coating film is covered and fixed on the variable pipe network, the variable pipe network is a mesh pipe body structure formed by a plurality of rhombic grids, four vertexes of the rhombic grids are hinged points, and the variable pipe body becomes thin or thick under the stretching or compressing action.
3. The endotracheal tube of claim 2, characterized in that said flexible coating is made of a polypropylene material.
4. The telescopic endotracheal tube according to claim 1, characterized in that the rear end of the tubular body of the double-cuff side-hole endotracheal tube is fixed with a first inflation connector and a second inflation connector, which are respectively connected to the first cuff and the second cuff.
5. The endotracheal tube of claim 2 wherein said variable inner diameter sheath has an outer diameter ranging from 2.5cm to 7.5 cm.
6. The telescopic endotracheal tube according to claim 2, characterized in that the double-barreled sideport endotracheal tube has a closure cap fixed to its rear end, which can be fitted over the respirator connector of the double-barreled sideport endotracheal tube or the branch tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295987.0A CN113995931A (en) | 2021-11-03 | 2021-11-03 | Sleeve type tracheal cannula with variable tube diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295987.0A CN113995931A (en) | 2021-11-03 | 2021-11-03 | Sleeve type tracheal cannula with variable tube diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113995931A true CN113995931A (en) | 2022-02-01 |
Family
ID=79927015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111295987.0A Withdrawn CN113995931A (en) | 2021-11-03 | 2021-11-03 | Sleeve type tracheal cannula with variable tube diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113995931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382066A (en) * | 2022-09-14 | 2022-11-25 | 无锡圣诺亚科技有限公司 | Inner membrane tube bronchial catheter |
-
2021
- 2021-11-03 CN CN202111295987.0A patent/CN113995931A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382066A (en) * | 2022-09-14 | 2022-11-25 | 无锡圣诺亚科技有限公司 | Inner membrane tube bronchial catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105999491B (en) | Artificial airway device | |
| JP2779992B2 (en) | Emergency resuscitation esophageal airway | |
| US20100288289A1 (en) | Airway device | |
| US4334534A (en) | Emergency airway management device | |
| US20110168183A1 (en) | Self-Pressurizing Supraglottic Airway | |
| CN207722204U (en) | Reducing tracheal catheter external member | |
| CN109939320A (en) | A kind of nasopharyngeal airway road | |
| CN113995931A (en) | Sleeve type tracheal cannula with variable tube diameter | |
| WO2016116038A1 (en) | Lung isolation catheter | |
| US20130092171A1 (en) | Multi-lumen tracheal tube with pressure distribution | |
| CN219071682U (en) | Multifunctional laryngeal mask | |
| CN216061593U (en) | Inflation-free laryngeal mask | |
| CN213432407U (en) | Tracheal tube plug | |
| CN213466389U (en) | Self-inflating flow-guiding laryngeal mask | |
| CN204319455U (en) | Endoscopy anesthesia laryngeal mask | |
| CN211383297U (en) | Multipurpose breather | |
| CN208243895U (en) | A kind of novel gas passage interventional therapy single-chamber band sacculus trachea cannula | |
| CN209392153U (en) | A kind of simple animal anesthetic ventilator | |
| CN211188672U (en) | Sleeve type trachea cannula | |
| CN220588717U (en) | Double-balloon nasopharynx ventilation catheter | |
| CN207562194U (en) | A kind of dual-purpose tracheal catheter of the double lungs of list | |
| CN209123102U (en) | A kind of laryngeal mask with tee tube | |
| CN213432415U (en) | Catheter device for endotracheal examination or operation | |
| CN215426759U (en) | Novel disposable tracheostomy cannula | |
| CN210813279U (en) | Single lung ventilation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220201 |