CN109481805A - A kind of intranasal laryngeal airway conduit - Google Patents
A kind of intranasal laryngeal airway conduit Download PDFInfo
- Publication number
- CN109481805A CN109481805A CN201811318529.2A CN201811318529A CN109481805A CN 109481805 A CN109481805 A CN 109481805A CN 201811318529 A CN201811318529 A CN 201811318529A CN 109481805 A CN109481805 A CN 109481805A
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- China
- Prior art keywords
- catheter
- throat
- ventilation
- main body
- airbag
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 28
- 210000003300 oropharynx Anatomy 0.000 claims description 23
- 210000003238 esophagus Anatomy 0.000 claims description 17
- 229920000642 polymer Polymers 0.000 claims description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 3
- 238000002627 tracheal intubation Methods 0.000 abstract description 3
- 206010044684 Trismus Diseases 0.000 abstract description 2
- 210000003800 pharynx Anatomy 0.000 description 42
- 239000007789 gas Substances 0.000 description 30
- 210000002345 respiratory system Anatomy 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 210000000214 mouth Anatomy 0.000 description 9
- 230000006378 damage Effects 0.000 description 6
- 210000003928 nasal cavity Anatomy 0.000 description 5
- 210000001331 nose Anatomy 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 210000003437 trachea Anatomy 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 230000035479 physiological effects, processes and functions Effects 0.000 description 4
- 239000002775 capsule Substances 0.000 description 3
- 238000002695 general anesthesia Methods 0.000 description 3
- 230000000302 ischemic effect Effects 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 230000002085 persistent effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 208000000059 Dyspnea Diseases 0.000 description 2
- 206010013975 Dyspnoeas Diseases 0.000 description 2
- 206010070863 Toxicity to various agents Diseases 0.000 description 2
- 230000003444 anaesthetic effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000002409 epiglottis Anatomy 0.000 description 2
- 210000000867 larynx Anatomy 0.000 description 2
- 230000017074 necrotic cell death Effects 0.000 description 2
- 208000030090 Acute Disease Diseases 0.000 description 1
- 206010002091 Anaesthesia Diseases 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000005801 respiratory difficulty Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 230000004206 stomach function Effects 0.000 description 1
- 210000001738 temporomandibular joint Anatomy 0.000 description 1
- 230000003519 ventilatory effect Effects 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. ventilators; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0208—Oxygen
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
本发明公开了一种经鼻喉部通气导管，通气导管包括主体通气管、导管喉部气囊、导管尖端气囊，所述导管喉部气囊和所述导管尖端气囊均与主体通气管连通，所述导管尖端气囊与导管喉部气囊之间的主体通气管管段上开设有通气管远端孔，所述导管喉部气囊气满呈扩张的弧形状，所述主体通气管的尾部为连接呼吸机和气压机的充气口；有效适用于喉罩和气管插管不能解决的牙关紧闭患者，辅助控制患者呼吸和用于急救的一种临床通气导管设备。
The invention discloses a nasal and throat ventilation catheter. The ventilation catheter comprises a main body ventilation pipe, a catheter throat airbag, and a catheter tip airbag. Both the catheter throat airbag and the catheter tip airbag are communicated with the main body ventilation pipe. A vent tube distal end hole is formed on the main body ventilation tube section between the catheter tip airbag and the catheter laryngeal airbag, the catheter laryngeal airbag is full of air and is in the shape of an expanding arc, and the tail of the main body ventilation tube is connected to the ventilator and the gas. Inflatable port of the compressor; a clinical ventilation catheter device that is effectively suitable for patients with trismus that cannot be solved by laryngeal mask and tracheal intubation, assists in controlling the patient's breathing and is used for first aid.
Description
Technical field
The present invention relates to technical field of medical equipment, specially a kind of intranasal laryngeal airway conduit.
Background technique
It is insufficient in order to solve endotracheal intubation and mask ventilation in clinical operation, there is a kind of novel respiratory tract work
Have " laryngeal mask ".Laryngeal mask ensures respiration unobstructed, avoids using that simply, can establish artificial airway, and placement success rate height rapidly
Throat and tunica mucosa tracheae damage, are chiefly used in patient, the difficulty of patient with general anesthesia, emergency department, ICU and each department's first aid and recovery
Air flue patient.Laryngeal mask is in clinical use, and the remote stomidium of enclosure portion, which occupies, to be swallowed in space and respiratory tract, and tube body is by oral cavity
It is extend out to human external, oral cavity, pharynx, respiratory tract form a unobstructed airflow channel oxygen supply, and laryngeal mask is to protrude into pharynx along oral cavity
And in respiratory tract, most Anesthetic Patients can be suitable for, when facing teeth clenched patient, the way of Anesthetist is logical
It crosses instrument or manpower manual to open patient's supporting oral cavity, is easily damaged patient teeth in this way, or even cause gingival lesions flesh and blood
It is fuzzy, secondary injury can be not only brought to patient, but also the problem of the patient having is due to temporomandibular joint, oral cavity of not opening at all.
At this moment Anesthetist needs Bronchofiberscope to guide nasal trachea cannula, extend intubation rescue time, reduce the success rate of rescue, because
This needs to assist a kind of intranasal of control and first aid to solve laryngeal mask and the indeterminable teeth clenched patient of trachea cannula
Laryngeal airway equipment.
Summary of the invention
The purpose of the invention is to provide a kind of intranasal laryngeal airway conduit, it is effectively applicable to laryngeal mask and trachea cannula not
The teeth clenched patient that can solve, auxiliary control patient respiratory and a kind of clinical airway equipment for first aid.
In order to achieve the above-mentioned object of the invention, the invention adopts the following technical scheme: a kind of intranasal laryngeal airway conduit, leads to
Airway includes main body snorkel, conduit throat air bag, catheter tip air bag, conduit throat air bag and the catheter tip
Air bag is connected to main body snorkel, is opened on the main body snorkel pipeline section between the catheter tip air bag and conduit throat air bag
Equipped with snorkel remote stomidium, the conduit throat air bag gas is completely in the arc shape of expansion, and the tail portion of the main body snorkel is to connect
Connect the inflating port of ventilator and aerostatic press.
Preferably, the arc shape after the conduit throat air bag gas is full is flat elliptic, and the shape and oropharynx physiology
Curve is adapted.
Preferably, the main body snorkel is medical high polymer hose.
Preferably, the catheter tip air bag is the esophagus cuff being filled in esophagus, and conduit throat air bag is to fill out
Fill the oropharynx cuff in oropharynx.
Preferably, catheter tip balloon contacts face is the conical surface of arc.
Preferably, four snorkel remote stomidiums, and snorkel distal end are at least offered on the main body snorkel pipeline section
Hole uniformly surrounds.
Preferably, drainage tube remote stomidium is provided in the catheter tip air bag.
Preferably, drainage tube is mounted in the drainage tube remote stomidium, and the drainage tube prolongs along main body ventilation pipeline
It extends to outside tail portion.
Preferably, charging valve hose is connected on the main body snorkel.
Compared with prior art, using a kind of intranasal laryngeal airway conduit of above-mentioned technical proposal, have following beneficial
Effect:
First aid, ICU, operation, especially some teeth clenched patients because of situations such as disease or drug poisoning, thus occur
Teeth clenched, if can not be protruded into throat by oral cavity using traditional laryngeal mask and trachea cannula, patient respiratory difficulty,
Anoxic, operation can not be successfully progress, if being directed to this trismoid patient according to traditional mode, Anesthetist can pass through hand
Art instrument or manpower manual open patient's supporting oral cavity, are easily damaged patient teeth in this way, or even cause gingival lesions flesh and blood
It is fuzzy, secondary injury can be not only brought to patient but also influences Anesthetist's operation phychology, increase anesthesia workload, this programme
In, Anesthetist can directly protrude into main body admittance pipe along patient's nasal cavity according to physiology of the nose curve, before inflation, conduit throat
Without gas in air bag, catheter tip air bag, in its natural state in expandable contraction-like, in operation, catheter tip air bag is first
It first stretches in human body esophagus, therewith, conduit throat air bag stretches in oropharynx, in the present solution, conduit is medical height
Molecule hose, can reduce human body sense of discomfort to the full extent, and Anesthetist adjusts conduit throat air bag, catheter tip air bag
It behind the position in oropharynx and esophagus, is inflated to main body snorkel, supplies oxygen demand to meet patient, conveying gas is oxygen
Gas, gas are first filled with to catheter tip air bag, and catheter tip air bag gas, which is completely heaved, opens epiglottis support, due to the work of air pressure
With catheter tip balloon surface is fitted tightly over esophageall obstruetion on esophagus tubing, continues to convey gas, gas into air bag
Oral pharynx passageway is blocked into conduit throat air bag, Qi Man rear tube throat air bag heaves arc-shaped shape, contradicts in oral pharynx passageway
Internal congestion, the conduit throat air bag of arc shape can satisfy the physiological curve of oropharynx, increase the airtightness of conduit throat air bag, face
In bed, when extraneous gas conveying device adds air into main body snorkel, air pressure is not easy excessive, it may be assumed that air pressure indication range is protected
It holds: 25cmH2It is best with gastight barometric minimum within 0.Conduit throat air bag forms one high volume low-pressure cavity
Laryngeal tissue ischemic necrosis is prevented, gas makes conduit throat air bag, catheter tip air bag forms a closed gas exchanges
Space, and the snorkel remote stomidium being located between two air bags is connected to respiratory tract, and oxygen, oxygen are conveyed in external persistent guide pipe
Gas can be entered respiratory tract for patient respiratory needs, patients with respiratory tract, snorkel remote stomidium and main body by snorkel remote stomidium
Snorkel forms unobstructed airflow channel, in the patient of patient with general anesthesia, emergency department, ICU and each department's first aid and recovery
The teeth clenched situation of appearance can be resolved by intranasal laryngeal airway conduit, be clinically to assist control and urgency at present
The new airway equipment of the one kind rescued.
Detailed description of the invention
Fig. 1 is that a kind of intranasal laryngeal airway conduit gas of the present invention expires the structural schematic diagram under state；
Fig. 2 is the structural schematic diagram under a kind of intranasal laryngeal airway duct cavity state of the present invention；
Fig. 3 is the structural schematic diagram of catheter tip inside air bag in the present embodiment；
Fig. 4 is intranasal laryngeal airway conduit clinical use schematic diagram of the present invention.
Appended drawing reference: 1, main body snorkel；2, conduit throat air bag；3, catheter tip air bag；30, the conical surface；4, snorkel
Remote stomidium；5, inflating port；6, drainage tube；7, charging valve hose.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
A kind of intranasal laryngeal airway conduit as shown in Figures 1 to 4, airway include main body snorkel 1, conduit throat gas
Capsule 2, catheter tip air bag 3, conduit throat air bag 2 and catheter tip air bag 3 are connected to main body snorkel 1, catheter tip gas
Snorkel remote stomidium 4,2 gas of conduit throat air bag are offered on 1 pipeline section of main body snorkel between capsule 3 and conduit throat air bag 2
The full arc shape in expansion, the tail portion of main body snorkel 1 are the inflating port 5 for connecting ventilator and aerostatic press.
As shown in Figure 1, in first aid, ICU art, especially some teeth clenched patients, due to disease or drug poisoning etc.
Situation, thus lockjaw, if can not be protruded into throat by oral cavity using traditional laryngeal mask and trachea cannula,
Anesthetic Patients expiratory dyspnea, anoxic, operation can not be successfully progress, if suffered from according to traditional mode for this trismoid
Person, Anesthetist can be held patient's supporting oral cavity by surgical instrument or manpower manual, be easily damaged patient teeth in this way, very
To causing gingival lesions badly mutilated, secondary injury can be not only brought to patient but also influences Anesthetist's operation phychology, is increased
Surgical work amount, in the present solution, Anesthetist can directly stretch main body snorkel 1 along patient's nasal cavity according to physiology of the nose curve
Enter, before inflation, without gas in conduit throat air bag 2, catheter tip air bag 3, in its natural state in expandable contraction-like, behaviour
In work, catheter tip air bag 3 is stretched to first in human body esophagus, and therewith, conduit throat air bag 2 stretches in oropharynx, Yu Benfang
In case, conduit is medical macromolecule hose, can reduce human body sense of discomfort to the full extent, and Anesthetist adjusts conduit
Throat's air bag 2, catheter tip air bag 3 are inflated behind the position in oropharynx and esophagus to main body snorkel 1, are suffered to meet
Person supplies oxygen demand, and conveying gas is oxygen, and gas is first filled with to catheter tip air bag 3, and 3 gas of catheter tip air bag is completely heaved
Epiglottis support is opened, due to the effect of air pressure, 3 surface of catheter tip air bag, which is fitted tightly on esophagus tubing, hinders esophagus
Plug, persistent guide pipe is interior to convey gas, and gas enters conduit throat air bag 2 and blocks oral pharynx passageway, Qi Man rear tube throat gas
Capsule 2 heaves arc-shaped shape, contradicts in oral pharynx passageway internal congestion, the conduit throat air bag 2 of arc shape can satisfy the physiology of oropharynx
Curve, increase conduit throat air bag 2 airtightness, clinic in, extraneous gas conveying device adds air into main body snorkel 1
When, air pressure is not easy excessive, it may be assumed that air pressure indication range is maintained at: 25cmH2Within 0, be with gastight barometric minimum it is best, lead
Pipe throat air bag 2, which forms one high volume low-pressure cavity, prevents laryngeal tissue ischemic necrosis, gas make conduit throat air bag 2,
Catheter tip air bag 3 forms a closed gas exchanges space, and the snorkel remote stomidium 4 being located between two air bags with exhale
Road connection is inhaled, oxygen is conveyed in external persistent guide pipe, oxygen can be entered respiratory tract for patient respiratory by snorkel remote stomidium 4
It needs, patients with respiratory tract, snorkel remote stomidium 4 and main body snorkel 1 form unobstructed airflow channel, suffer from general anesthesia
The teeth clenched situation occurred in the patient of person, emergency department, ICU and each department's first aid and recovery, can pass through nose laryngeal airway
Conduit is resolved, and is the airway equipment that clinically auxiliary controls at present and one kind of first aid is new.
Arc shape after 2 gas of conduit throat air bag is full is flat elliptic, and this spherical is adapted with oropharynx physiological curve；
Such design is to meet the physiological curve around oropharynx when Anesthetist operates and need very accurately by larynx conduit, nose
Larynx conduit protrudes into oropharynx designated position, if excessively deviateing oropharynx designated position, balloon occlusion and ventilatory effect are bad, is easy
Lead to patient's anoxic, even damage oropharynx tissue, cause ischemic, again and again extract, it is quiet enter to patient to cause secondary injury, it is right
And workload more demanding in the surgical experience of Anesthetist increases, operating difficulties；The conduit throat air bag of flat elliptic
2 can dispose in oropharynx any position, and radian coverage area is also larger, also larger to the bearing area of oropharynx tissue, operation
Simply, especially in acute disease, first aid, Anesthetist can quickly dispose nose laryngeal airway conduit, auxiliary control breathing.
Main body snorkel 1 is medical high polymer hose, considers that cost, main body snorkel 1 are medical silica-gel, on the one hand
It can be easily placed in along nasal cavity and oropharynx physiological curve, then and, reduce human body sense of discomfort.
Catheter tip air bag 3 is the esophagus cuff being filled in esophagus, and conduit throat air bag 2 is the oropharynx for being filled in oropharynx
Cuff；Compared to laryngeal mask, the cover of laryngeal mask is to be covered in swallow in space and respiratory tract, and gas is conveyed by intraoral conduit
In laryngeal mask cover, then be delivered in respiratory tract and supplied oxygen by cover remote stomidium, until and in the present invention, in order to prevent gas through air bag into
Entering esophagus reduces oxygen-supplying amount, is blocked esophagus and oropharynx by esophagus cuff and oropharynx cuff, two air bags form closed friendship
Space is changed, and oxygen is then entered in respiratory tract by the snorkel remote stomidium 4 between two air bags, meets patient's oxygen to the full extent
Gas demand.
3 contact surface of catheter tip air bag is the conical surface 30 of arc；When Anesthetist protrudes into conduit into nasal cavity, catheter tip
The arc conical surface 30 of air bag 3 can reduce moving resistance, easy to operate, will not stab nasal cavity, oropharynx, the tissue in esophagus.
Four snorkel remote stomidiums 4 are at least offered on 1 pipeline section of main body snorkel, and the snorkel remote stomidium 4 uniformly encloses
Around；Expiratory dyspnea patient such as clinically, oxygen-supplying amount is larger, and what four snorkel remote stomidiums 4 were capable of big flux will be in conduit
Oxygen be delivered in respiratory tract.
Drainage tube remote stomidium is provided in catheter tip air bag 3；Drainage tube 6 is mounted in drainage tube remote stomidium, and this draws
Flow tube 6 extends to outside tail portion along 1 pipeline of main body snorkel；In art, esophagus is wriggled the interior solution, molten in gastric reflux stomach function regulating of secretion
Liquid can be sucked out by drainage tube 6, prevent from accidentally inhaling dangerous.
Charging valve hose 7 is connected on main body snorkel 1；Charging valve hose 7 to conduit throat air bag 2 and is led respectively
Tip end air bag 3 is inflated.
It is the preferred embodiment of the present invention above, does not depart from original of the invention for those of ordinary skill in the art
Under the premise of reason, several variations and modifications can also be made, these also should be regarded as protection scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318529.2A CN109481805A (en) | 2018-11-07 | 2018-11-07 | A kind of intranasal laryngeal airway conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318529.2A CN109481805A (en) | 2018-11-07 | 2018-11-07 | A kind of intranasal laryngeal airway conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109481805A true CN109481805A (en) | 2019-03-19 |
Family
ID=65694061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811318529.2A Pending CN109481805A (en) | 2018-11-07 | 2018-11-07 | A kind of intranasal laryngeal airway conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109481805A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998466A (en) * | 2019-05-09 | 2019-07-12 | 浙江曙光科技有限公司 | A kind of gastrocopy is intubated with laryngeal mask |
| CN111569213A (en) * | 2020-05-18 | 2020-08-25 | 浙江省科技宣传教育中心 | A safety tracheal tube assembly structure |
| CN111632247A (en) * | 2020-06-10 | 2020-09-08 | 东营市人民医院 | Gastrointestinal surgery honeycomb duct |
| CN114748768A (en) * | 2021-09-13 | 2022-07-15 | 王江河 | Air sac type dilating catheter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3402717A (en) * | 1965-08-12 | 1968-09-24 | George O. Doherty | Endotracheal tube with valved balloon having a removable inflation stylet insert therein |
| US3565079A (en) * | 1968-04-09 | 1971-02-23 | Richard Robert Jackson | Self-inflating endotracheal tube |
| JPH10179677A (en) * | 1996-12-24 | 1998-07-07 | Noboru Sato | Air way in esophagus for first aid resuscitation |
| CN201798985U (en) * | 2010-04-20 | 2011-04-20 | 蔡铁良 | Esophagus and nasopharyngeal cavity catheter |
| CN206745712U (en) * | 2016-12-15 | 2017-12-15 | 张岳农 | A kind of intranasal esophagus blocks laryngeal mask |
-
2018
- 2018-11-07 CN CN201811318529.2A patent/CN109481805A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3402717A (en) * | 1965-08-12 | 1968-09-24 | George O. Doherty | Endotracheal tube with valved balloon having a removable inflation stylet insert therein |
| US3565079A (en) * | 1968-04-09 | 1971-02-23 | Richard Robert Jackson | Self-inflating endotracheal tube |
| JPH10179677A (en) * | 1996-12-24 | 1998-07-07 | Noboru Sato | Air way in esophagus for first aid resuscitation |
| CN201798985U (en) * | 2010-04-20 | 2011-04-20 | 蔡铁良 | Esophagus and nasopharyngeal cavity catheter |
| CN206745712U (en) * | 2016-12-15 | 2017-12-15 | 张岳农 | A kind of intranasal esophagus blocks laryngeal mask |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998466A (en) * | 2019-05-09 | 2019-07-12 | 浙江曙光科技有限公司 | A kind of gastrocopy is intubated with laryngeal mask |
| CN111569213A (en) * | 2020-05-18 | 2020-08-25 | 浙江省科技宣传教育中心 | A safety tracheal tube assembly structure |
| CN111632247A (en) * | 2020-06-10 | 2020-09-08 | 东营市人民医院 | Gastrointestinal surgery honeycomb duct |
| CN114748768A (en) * | 2021-09-13 | 2022-07-15 | 王江河 | Air sac type dilating catheter |
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Application publication date: 20190319 |