CN111494770A - Conversion type jet ventilation catheter - Google Patents
Conversion type jet ventilation catheter Download PDFInfo
- Publication number
- CN111494770A CN111494770A CN202010431411.1A CN202010431411A CN111494770A CN 111494770 A CN111494770 A CN 111494770A CN 202010431411 A CN202010431411 A CN 202010431411A CN 111494770 A CN111494770 A CN 111494770A
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- cuff
- main
- ventilation
- catheter
- branch pipe
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Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 69
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 17
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 3
- 229920002529 medical grade silicone Polymers 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 239000003550 marker Substances 0.000 claims 1
- 210000002345 respiratory system Anatomy 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 210000003437 trachea Anatomy 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 210000003800 pharynx Anatomy 0.000 description 3
- 208000024891 symptom Diseases 0.000 description 3
- 238000002627 tracheal intubation Methods 0.000 description 3
- 206010036790 Productive cough Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000004877 mucosa Anatomy 0.000 description 2
- 210000001989 nasopharynx Anatomy 0.000 description 2
- 210000001331 nose Anatomy 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 208000024794 sputum Diseases 0.000 description 2
- 210000003802 sputum Anatomy 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 241001484259 Lacuna Species 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 210000000621 bronchi Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004704 glottis Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 210000003300 oropharynx Anatomy 0.000 description 1
- 230000036391 respiratory frequency Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000243 solution Substances 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
- A61M16/0461—Nasoendotracheal 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
- A61M16/0434—Cuffs
-
- 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
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
- A61M16/0497—Tube stabilizer
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/60—General characteristics of the apparatus with identification means
- A61M2205/6009—General characteristics of the apparatus with identification means for matching patient with his treatment, e.g. to improve transfusion security
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/42—Rate
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/43—Composition of exhalation
- A61M2230/432—Composition of exhalation partial CO2 pressure (P-CO2)
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/43—Composition of exhalation
- A61M2230/435—Composition of exhalation partial O2 pressure (P-O2)
Abstract
The invention relates to a conversion type jet ventilation catheter which comprises a ventilation main catheter, a carbon dioxide detection branch pipe, a cuff inflation branch pipe and a main catheter cuff, wherein openings are formed in the inner walls of the two sides, close to the upper end opening of the ventilation main catheter, of the main catheter, the carbon dioxide detection branch pipe and the cuff inflation branch pipe are arranged in the openings, the main catheter cuff is arranged on the ventilation main catheter, the main catheter cuff is located on the lower half section of the ventilation main catheter, the radius of the main catheter cuff is larger than the inner diameter of the ventilation main catheter, and the lower end opening of the ventilation main catheter is in an inclined opening shape. Its advantages are: the invention can assist mouth and nose ventilation, keep the respiratory tract smooth, realize the simultaneous operation of different branch pipes without mutual interference, and can timely switch the mechanical pressure ventilation mode and the jet ventilation catheter so as to timely switch different ventilation modes and provide favorable conditions for taking out foreign matters in the airway.
Description
Technical Field
The invention relates to the technical field of clinical assistance, in particular to a conversion type jet ventilation catheter.
Background
Airway foreign bodies are a potential life-threatening emergency that includes both upper and lower airway foreign bodies. Patients may develop symptoms such as cough, distress, and the like, which are common among children under the age of 5. High-frequency jet ventilation through a side hole of a hard bronchoscope is the most common ventilation method for airway foreign body extraction, is mainly used for main trachea foreign body extraction, and can reduce the risk of suffocation of children patients caused by foreign body displacement during trachea intubation. However, the ventilation method has certain defects when being applied to the removal of the foreign body in the bronchus. The main problems of the airway foreign body extraction operation are that most airways are occupied by surgical operation, the airways of children are narrow, the ventilation is difficult, and the low oxygen incidence rate is high in the operation. When the long-time retained airway foreign body is taken out, if the ventilation is not good, the incidence rate of low oxygen in the operation and the incidence rate of postoperative complications are increased. Therefore, it is very important to select proper ventilation tube in operation, and the catheter for jet ventilation at present is usually a sputum suction tube or a thin-type common tracheal catheter.
The Chinese patent application: CN201996947U discloses side opening type nasopharynx air duct, including the air duct of arc structure, the one end of air duct is along the edge of a wing that radial direction protrusion outwards formed the annular structure, and the other end is the pharynx end, and the port of pharynx end sets up to the bevel connection structure, and the equipartition has a plurality of side openings (the best is 6 ~ 8) on the air duct.
The Chinese patent application: CN202590097U discloses a guide type nasopharyngeal airway, which comprises a guide tube, a nasopharyngeal airway tube and a guide wire, wherein the guide tube is an approximately conical flexible tube, the nasopharyngeal airway tube is a cylindrical tube, the guide wire is fixed at the small end of the guide tube, the head end of the nasopharyngeal airway tube is inserted into the tube hole of the guide tube, the wall of the nasopharyngeal airway tube is provided with a guide wire through hole arranged along the length direction of the nasopharyngeal airway tube, the front end of the guide wire is located outside the large end of the guide tube after passing through the tube hole of the guide tube, and the middle section of the guide wire passes through the guide wire through hole.
In the two devices, the monitoring catheter, the oxygen inhalation tube and the sputum aspiration tube share the same cavity channel, so that the two devices cannot be operated simultaneously, and the depth of the inserted ventilation catheter cannot be judged due to the lack of marks and scales for medical workers to reference, so that the requirements of users cannot be met.
Therefore, in view of the above, there is a need for a convertible jet ventilation catheter that can assist the mouth and nose ventilation, keep the respiratory tract unobstructed, operate different branch tubes simultaneously without mutual interference, and is suitable for the jet ventilation of the infant with the airway foreign matter.
Disclosure of Invention
It is an object of the present invention to provide a switched jet airway tube.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a conversion type sprays pipe of ventilating, is including ventilating main duct, carbon dioxide detection branch pipe, cuff and inflates branch pipe and main duct cuff, be close to and be provided with the opening on the both sides inner wall of ventilating main duct upper port, the opening in be provided with carbon dioxide detection branch pipe and cuff and inflate the branch pipe, just open-ended size is identical with the mouth of pipe size that carbon dioxide detection branch pipe and cuff inflated the branch pipe, be provided with main duct cuff on ventilating main duct, main duct cuff be located the second half section of ventilating main duct, just main duct cuff's radius is greater than the main internal diameter of the body of ventilating, the main duct lower port of ventilating is the setting of bevel connection form.
In the above-mentioned switching jet airway tube, as a preferable scheme, the capnometry branch tube and the cuff inflation branch tube are parallel to the cuff in the wall of the main airway tube and extend in the same direction as the main airway tube.
In the above-mentioned convertible jet ventilation catheter, as a preferred scheme, a scale mark capable of judging the length of the extension is arranged above the main catheter cuff, a plurality of identification lines are arranged below the main catheter cuff, and the scale mark and the identification lines are both located on the ventilation main catheter.
In the above-mentioned switching jet ventilation catheter, as a preferable scheme, a side hole is further provided at a position close to the bottom end of the main ventilation catheter, and the side hole is located between the identification lines below the cuff.
In the above-mentioned convertible jet ventilation catheter, as a preferable solution, a jet ventilation joint and a ventilator ventilation joint are further provided on one side of the upper port, and the jet ventilation joint and the ventilator ventilation joint are fixed on the ventilation main catheter through a connecting band.
In the above-mentioned convertible jet ventilation catheter, as a preferred scheme, the ventilation main catheter is made of medical silicon rubber, PVC or PU.
The invention has the advantages that:
1. the invention has simple structure, can keep the respiratory tract smooth, can also assist the mouth and nose to ventilate, and can timely switch the mechanical pressure ventilation mode and the jet ventilation catheter, thereby providing favorable conditions for taking out the foreign matters in the airway.
2. The ventilation main catheter provided by the invention can be used for patients of different ages by setting the scales and the indication lines, so that the operation and observation of medical personnel are facilitated, and unnecessary injury of the patients in the insertion process is avoided.
3. The side hole can effectively realize the ventilation function, and the defect that the traditional nasopharyngeal airway cannot ventilate normally when the front end inclined opening is stuck on the mucosa is overcome.
Drawings
Figure 1 is a schematic diagram (one) of the switched jet airway tube of the present invention.
Figure 2 is a schematic diagram of a switched jet airway tube according to the present invention (ii).
Figure 3 is a partial cross-sectional view of the interior of a switched jet airway tube according to the present invention.
Detailed Description
The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and equivalents fall within the scope of the appended claims.
The reference numerals and components referred to in the drawings are as follows:
1. a main ventilation pipe 2, a carbon dioxide detection branch pipe 3, a cuff inflation branch pipe
4. Main catheter cuff 5, opening 6, graduation line
7. Marking line 8, side hole 9, jet ventilation joint
10. Breathing machine ventilation joint 11. connecting belt
EXAMPLE 1A convertible jet airway tube
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a switched jet airway tube according to the present invention. Figure 2 is a schematic structural view of a switched jet airway tube according to the present invention (ii) and figure 3 is a partial cross-sectional view of the interior of a switched jet airway tube according to the present invention.
A conversion type jet ventilation catheter comprises a ventilation main catheter 1, a carbon dioxide detection branch pipe 2, a cuff inflation branch pipe 3 and a main catheter cuff 4, wherein the ventilation main catheter 1 can be made of medical materials with flexibility and toughness, the radian of the ventilation main catheter can be changed at will, the ventilation main catheter can be inserted conveniently, unnecessary injury to a patient in the insertion process is reduced, openings 5 are formed in the inner walls of the two sides close to the upper port of the ventilation main catheter 1, the carbon dioxide detection branch pipe 2 and the cuff inflation branch pipe 3 are arranged in the openings 5, the size of the openings 5 is matched with the sizes of the pipe orifices of the carbon dioxide detection branch pipe and the cuff inflation branch pipe, and the carbon dioxide monitoring branch pipe 2 can monitor various data such as the respiratory frequency, the O2 concentration, the CO2 concentration and the like of the patient in real time; by monitoring the data, the partial pressure of CO2 in the exhaled air can be monitored in an auxiliary manner, whether the nasopharyngeal airway is inserted into the trachea or not can be judged, conditions are created for implementing other operations, and corresponding operations can be made according to different disease symptoms by monitoring the respiratory state of the patient in real time according to the data, so that the effect and the accuracy of clinical treatment are improved. The main airway 1 is provided with a main airway cuff 4, the main airway cuff 4 can be a common low-volume high-pressure cuff, and can also be a high-volume low-pressure cuff. The main duct cover bag be located the lower half section of ventilating the main duct, just the radius of main duct cover bag is greater than the main internal diameter of the body of ventilating, cover bag inflation branch pipe stretch into main duct cover bag from the opening part of ventilating the main duct lateral wall, main duct cover bag inflates the back through cover bag inflation branch pipe, but balanced sealed patient's trachea and the lacuna between ventilating the main duct lateral wall prevent that the interior gas of patient's lung is escaped outward to can block the foreign matter that comes from oropharynx, prevent to form the suck-back. The lower port of the main ventilation duct is in the shape of an oblique port, and the main ventilation duct can be conveniently inserted and pushed by the oblique port, so that the operation is convenient.
In this embodiment, it is preferred that the capnometry manifold 2 and the cuff inflation manifold 3 run parallel to the main airway cuff 4 within the wall of the main airway tube 1 and in the same direction as the main airway tube 1. The carbon dioxide detection branch pipe 2 and the cuff inflation branch pipe 3 are staggered with each other, so that the two branch pipes can be conveniently separated to operate, and interference between the two branch pipes during operation is avoided.
In this embodiment, preferably, the graduation line 6 capable of judging the length of the inserted cuff is arranged above the main catheter cuff 4, the inserted length is different according to the sex and age of the patient, when the intubation is operated, after the tip of the catheter enters the glottis, the cuff is inflated through the cuff inflation branch pipe, so that the cuff is inflated to prevent the tracheal catheter from slipping, the arrangement can be conveniently matched with different patients, thereby avoiding blind intubation and causing unnecessary injury to the patient; be provided with many identification lines 7 in main catheter cuff's below, the setting of this sign can make things convenient for medical personnel to operate, just scale mark and mark the line and all be located the main catheter of ventilating.
In this embodiment, it is preferable that a side hole 8 is further provided near the bottom end of the main ventilation catheter, and the side hole is located between the identification lines below the cuff. The setting of side opening can effectively realize the function of ventilating, reduces the drawback that traditional nasopharynx air vent front end oblique opening pastes unable normal ventilation on the mucosa.
In this embodiment, it is preferable that an injection ventilation joint 9 and a ventilator ventilation joint 10 are further provided on one side of the upper port, and the injection ventilation joint 9 and the ventilator ventilation joint 10 are fixed to a main ventilation duct by a connection strap 11. The two switching joints can be connected with a jet ventilation device or a breathing machine threaded pipe so as to switch different ventilation modes in time,
in this embodiment, the material of the main ventilation duct 1 is preferably made of medical silicone rubber, PVC or PU. The main ventilation duct can be made of medical silicon rubber with flexibility and toughness, and the device can be directly inserted into a soft tracheal duct instead of a traditional hard tube core feeding method, so that the harm to the trachea, the throat, the respiratory tract and the lung of an infant is greatly reduced.
It should be noted that: this device puts into esophagus upper portion through patient's nasal cavity through the front end of the pipe of ventilating in with the device through the doctor when using, can realize in time oxygen suppliment and ventilate, and also can in time change mechanical pressure mode of ventilating and spray the pipe of ventilating, longer intranasal intubate can avoid the pipe to deviate from along with surgical instrument, real-time supervision carbon dioxide partial pressure, create the condition for implementing other operations, can make corresponding operation to different disease symptoms according to these data real-time supervision patient's respiratory state simultaneously, improve clinical treatment's effect and accuracy.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a conversion type sprays pipe of ventilating, its characterized in that, is including ventilating main duct, carbon dioxide detection branch pipe, cuff and aerifys branch pipe and main duct cuff, be close to and be provided with the opening on the both sides inner wall of ventilating main duct upper port, the opening in be provided with carbon dioxide detection branch pipe and cuff and aerify the branch pipe, just the open-ended size is identical with the mouth of pipe size that carbon dioxide detection branch pipe and cuff aerifys the branch pipe, be provided with main duct cuff on ventilating main duct, main duct cuff be located the second half section of ventilating main duct, just main duct cuff's radius is greater than the main internal diameter of the pipe of ventilating, the main duct lower port of ventilating is the setting of bevel connection form.
2. The switched jet airway tube of claim 1, wherein the capnometry branch and the cuff inflation branch run parallel to the cuff within the wall of the main airway tube and in the same direction as the main airway tube.
3. The switched jet airway tube of claim 1, wherein a graduation mark for judging the length of the extension is arranged above the main catheter cuff, a plurality of marking lines are arranged below the main catheter cuff, and the graduation mark and the marking lines are both arranged on the main airway tube.
4. The switching jet airway tube of claim 1, wherein a side hole is also provided near the bottom end of the main airway tube and between the marker lines below the cuff.
5. The convertible jet ventilation catheter of claim 1, wherein a jet ventilation fitting and a ventilator ventilation fitting are further disposed on a side of the upper port, and the jet ventilation fitting and the ventilator ventilation fitting are secured to the main ventilation catheter by a connecting strap.
6. The switching jet airway tube of claim 1, wherein the airway main tube is made of medical silicone rubber, PVC, or PU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431411.1A CN111494770A (en) | 2020-05-20 | 2020-05-20 | Conversion type jet ventilation catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010431411.1A CN111494770A (en) | 2020-05-20 | 2020-05-20 | Conversion type jet ventilation catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111494770A true CN111494770A (en) | 2020-08-07 |
Family
ID=71848897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010431411.1A Pending CN111494770A (en) | 2020-05-20 | 2020-05-20 | Conversion type jet ventilation catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111494770A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4584998A (en) * | 1981-09-11 | 1986-04-29 | Mallinckrodt, Inc. | Multi-purpose tracheal tube |
| US5392774A (en) * | 1992-11-06 | 1995-02-28 | Nissho Corporation | Emergency resuscitation apparatus |
| CN1771068A (en) * | 2004-05-03 | 2006-05-10 | 魏华锋 | Jet endotracheal device and its use in intubation |
| CN2782124Y (en) * | 2005-01-20 | 2006-05-24 | 华中科技大学同济医学院附属同济医院 | Two-way high frequency jetting ventilation pipe |
| US20080029100A1 (en) * | 2005-12-16 | 2008-02-07 | Ezc Medical Llc | Visualization laryngeal airway apparatus and methods of use |
| CN102553047A (en) * | 2011-12-31 | 2012-07-11 | 李强 | Trachea cannula device suitable for bronchoscope operation emptysis rescue and difficult airways |
-
2020
- 2020-05-20 CN CN202010431411.1A patent/CN111494770A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4584998A (en) * | 1981-09-11 | 1986-04-29 | Mallinckrodt, Inc. | Multi-purpose tracheal tube |
| US5392774A (en) * | 1992-11-06 | 1995-02-28 | Nissho Corporation | Emergency resuscitation apparatus |
| CN1771068A (en) * | 2004-05-03 | 2006-05-10 | 魏华锋 | Jet endotracheal device and its use in intubation |
| CN2782124Y (en) * | 2005-01-20 | 2006-05-24 | 华中科技大学同济医学院附属同济医院 | Two-way high frequency jetting ventilation pipe |
| US20080029100A1 (en) * | 2005-12-16 | 2008-02-07 | Ezc Medical Llc | Visualization laryngeal airway apparatus and methods of use |
| CN102553047A (en) * | 2011-12-31 | 2012-07-11 | 李强 | Trachea cannula device suitable for bronchoscope operation emptysis rescue and difficult airways |
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Application publication date: 20200807 |