CN104667396A - Novel safety three channel laryngeal mask - Google Patents
Novel safety three channel laryngeal mask Download PDFInfo
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- CN104667396A CN104667396A CN201310629280.8A CN201310629280A CN104667396A CN 104667396 A CN104667396 A CN 104667396A CN 201310629280 A CN201310629280 A CN 201310629280A CN 104667396 A CN104667396 A CN 104667396A
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- tube
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- pressure gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
- G01L7/048—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges correcting or regulating means for flexible, deformable tubes
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- 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
- A61M16/0409—Special features for tracheal tubes not otherwise provided for with mean for closing the oesophagus
-
- 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
- A61M16/0415—Special features for tracheal tubes not otherwise provided for with access means to the stomach
-
- 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
- A61M16/044—External cuff pressure control or supply, e.g. synchronisation with respiration
-
- 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
- A61M16/0445—Special cuff forms, e.g. undulated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
- G01L17/005—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies using a sensor contacting the exterior surface, e.g. for measuring deformation
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- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a novel safety three channel laryngeal mask. The novel safety three channel laryngeal mask comprises a pressure gauge used to quantify and detect pressure of an air sac, wherein the pressure gauge is communicated with the air sac. The novel safety three channel laryngeal mask further comprises a check valve, wherein the check valve is communicated with the air sac, an airway catheter, an esophagus catheter and an instrument catheter are respectively arranged in a channel pipe, a machine end of the airway catheter is connected with a standard interface of a breathing machine, an opening of a patient end of the airway catheter is arranged correspondingly to an airway entrance of a human body, a machine end of the esophagus catheter is provided with an esophagus instrument opening for an esophagus instrument to enter and exit, an opening of a patient end of the esophagus catheter is arranged correspondingly to an esophagus entrance of the human body, a machine end of the instrument catheter is provided with an airway instrument opening for an airway instrument to enter and exist, and an opening of a patient end of the instrument catheter is arranged correspondingly to the airway entrance of the human body. The novel safety three channel laryngeal mask improves safety performance, and can be conveniently and quickly, safely and widely used by medical care personnel.
Description
Technical field
The present invention relates to a kind of laryngeal mask device, be specifically related to a kind of new type of safe three channel throat cover.
Background technology
In order to maintain the ventilation of unconscious patient respiration, respiration channel must be set up to it.Traditional mode uses tracheal intubation.But there is larger defect in tracheal intubation: be first be difficult to fast and suitably pipeline inserted trachea, because this is a kind of processing procedure needing very high-tech, will by devices such as laryngoscopes toward contact, therefore the operator of certain technology must be had to implement, just make this mode in patient body, set up respiration channel as early as possible to strive for that the situation (such as critical patient rescue etc.) for the treatment of time brings a lot of inconvenience at some needs; Secondly, tracheal intubation in use easily causes that the cardiopulmonary of patient reacts, throat pain, cough or laryngospasm etc., and owing to needing head and the cervical region of control patient when inserting, patient's neck also may be come to harm; In addition, conveniently insert, the distal dimension of tracheal intubation is sufficiently little, and this just makes the respiration channel of generation less or narrower.
Laryngeal mask airway device is that another sets up the new device of respiration channel.Use laryngeal mask airway device to insert in patient body relatively easily and set up respiration channel, general operation person just can use through short-term cultivation, therefore also very applicable in the occasion of first aid.Just can inflate to the lung of patient because laryngeal mask airway device does not need to contact with the inner passage of trachea sensitivity, therefore the degree of patient's irriate greatly alleviates, and the respiration channel size set up significantly is greater than the respiration channel set up by tracheal intubation.Meanwhile, owing to inserting less, therefore also less to the potential injury of patient to the control action at the positions such as patient's head, neck time.Due to above-mentioned advantage, laryngeal mask airway device has become more and more popular since nineteen eighty-three invention.
Also there is following defect in existing laryngeal mask airway device: only has one with the interface of breathing equipment, when needs carry out the operations such as Fibro-bronchoscopy test treatment or suction sputum to patient, must pull up breathing equipment, have impact on the smooth and easy of respiration channel; And the catheter channel size being communicated with esophagus is less, and the endoscopies such as gastroscope cannot pass through.
In addition, existing laryngeal mask airway device also has its defect: because laryngeal mask use principle is that after inserting throat's inflation, expansion forms air bag elastomer, fit with cavum laryngis, play sealing function, prevent in respiratory gas from leaking from the gap of laryngeal mask and cavum laryngis, be then connected to patient ventilation with breathing apparatus by the conduit on laryngeal mask.Air bag is generally adopt the raw material such as silica gel or plastic cement to make through mould is moulding, air bag is formed again by technique for sticking, if poor attachment or the air-tightness of material own bad, can gas leak phenomenon be caused under a certain pressure, so just cannot play sealing function, if this situation can not Timeliness coverage, just very likely there is medical-risk, can not give patient's air feed safely, this just causes medical personnel to worry to some extent when selecting laryngeal mask application, more extensively and for a long time can not use laryngeal mask.
Summary of the invention
Technical problem to be solved by this invention overcomes above-mentioned deficiency existing in prior art, and a kind of new type of safe three channel throat cover is provided, on maintenance patient respiratory passage smoothly basis, apparatus can also be stretched into esophagus and air flue to carry out checking, treat or the operation such as suction sputum, in real time, accurately, reliably can detect the pressure condition of air bag simultaneously, allow medical personnel can more convenient, safer, be more widely used this laryngeal mask.
To achieve these goals, the technical solution adopted in the present invention is as follows:
A kind of new type of safe three channel throat cover, this laryngeal mask comprises channel and air bag, and described channel is connected with described air bag, and this laryngeal mask also includes the pressure gauge for quantizing to detect gasbag pressure, and this pressure gauge is communicated with described air bag; This laryngeal mask also includes a check valve, and described check valve is also communicated with described air bag; Wherein, airway tube, esophageal tube and instrument catheter is respectively arranged with in described channel; Wherein, the machine end of described airway tube is connected with the standard interface of respirator, and the patient end opening of described airway tube is corresponding with the gas port of human body to be arranged; Wherein, the machine end of described esophageal tube is provided with can the road for food apparatus esophagus instrument openings of coming in and going out, and the patient end opening of described esophageal tube is corresponding with the esophageal orifice of human body to be arranged; Wherein, the machine end of described instrument catheter is provided with can the air supply duct apparatus airway device opening of coming in and going out, and the patient end opening of described instrument catheter is corresponding with the gas port of human body to be arranged.
Further, described pressure gauge is communicated with described air bag respectively by a gas tube with described check valve, or described pressure gauge is communicated with described air bag with the shared gas tube of described check valve.
Further, described check valve is communicated with by the first conduit with described gas tube, or described check valve and described gas tube are wholely set.
Further, described pressure gauge is communicated with by the second conduit with described gas tube.
Further, described pressure gauge is provided with a union joint, the junction between the union joint and described second conduit of described pressure gauge is provided with a connection tube.
Further, described connection tube and check valve are wholely set.
Further, the union joint of described pressure gauge is connected for non-dismountable fixed seal connection or removable seal with between described connection tube.
Further, the outer circle wall of described union joint diminishes from top to bottom gradually, and is provided with arc surface in described union joint bottom.
Further, the outer circle wall of described union joint is provided with at least one leakproof groove.
Further, described connection tube is also provided with a sealing-plug.
Further, described pressure gauge is hand of dial formula or digital pressure gauge.
Further, the internal diameter of described esophageal tube is 4-10mm.
Further, described instrument catheter is provided with check valve and/or stopper at the machine end of described channel.
Further, be provided with arc guide barrel below the patient end of described instrument catheter, described arc guide barrel is positioned on described air bag.
New type of safe three channel throat cover of the present invention compared with prior art, this new type of safe three channel throat cover includes the pressure gauge that a quantification detects gasbag pressure, this pressure gauge is communicated with described air bag, in real time, accurately, reliably can detect the pressure condition of air bag, and the pressure condition of air bag quantizes by pressure gauge.In addition, the present invention also prepares the check valve be communicated with air bag, and the pressure condition that can detect according to pressure gauge adjusts in real time to air pressure, corrects the pressure in air bag.
The patient end of airway tube of the present invention and instrument catheter is corresponding with the air flue of human body respectively to be arranged, in use, can make operator at maintenance patient respiratory passage simultaneously smoothly, carry out the air flue operations such as Fibro-bronchoscopy test treatment or suction sputum, simplify the operation step, reduce the impact on patient, and the esophageal tube that arrange corresponding to the esophagus of human body can allow the endoscopies such as gastroscope or stomach tube enter and pass through, be convenient to implement to check the operations such as treatment or enteral nutritional support.
Therefore, the present invention not only has quantification and detects gasbag pressure ability, in real time, accurately, reliably can detect the pressure condition of air bag, improve use safety of the present invention.And the present invention can also at maintenance patient respiratory passage simultaneously smoothly, stretch into apparatus to esophagus and air flue and carry out checking, treat or the operation such as suction sputum, thus the step that simplifies the operation, reduce the impact on patient further.Through the comprehensive improvement of above-mentioned two aspects, thus further improve security performance of the present invention, allow medical personnel can more convenient, safer, be more widely used this laryngeal mask.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of new type of safe three channel throat cover of the present invention;
Fig. 2 is the structural representation of pressure detecting part 100 of the present invention;
Fig. 3 is the structural representation of union joint of the present invention;
Fig. 4 is the first perspective view of laryngeal mask part 200 of the present invention;
Fig. 5 is the second perspective view of laryngeal mask part 200 of the present invention;
Fig. 6 is the generalized section of arc guide barrel of the present invention.
In figure:
100-pressure detecting part; 1-gas tube; 2-check valve; 3-pressure gauge; 4-union joint; 41-arc surface; 42-leakproof groove; 421-ramp; 422-bottom surface; 5-connection tube; 6-sealing-plug; 7-the first conduit; 8-the second conduit; 9-mouthpiece;
200-laryngeal mask; 201-air bag; 202-channel; 203-esophageal tube patient end; 204-instrument catheter patient end; 205-airway tube patient end; 206-stopper; 207-instrument catheter; 208-esophageal tube; 209-airway tube; 2011-arc guide barrel; 2071-instrument catheter machine end; 2081-esophageal tube machine end; 2091-airway tube machine end.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, new type of safe three channel throat cover of the present invention is described further.
Embodiment 1
As shown in Figure 1, the overall structure schematic diagram of new type of safe three channel throat cover of the present invention, this safe three channel throat cover comprises pressure portion 100 and laryngeal mask part 200.
As shown in Figure 2, for pressure detecting part 100 of the present invention, the pressure of air bag can be detected by real-time quantization, it includes the pressure gauge 3 that a quantification detects gasbag pressure, this pressure gauge 3 is communicated with described air bag, this new type of safe three channel throat cover also includes a check valve 2, and described check valve 2 is also communicated with described air bag.
The present embodiment adopts the pressure gauge 3 that can quantize to detect air bag, and this pressure gauge 3 is selected as hand of dial formula or digital pressure gauge, to facilitate medical personnel's real time inspection.Therefore, this pressure gauge is communicated with described air bag, and in real time, accurately, reliably can detect the pressure condition of air bag, the bad phenomenon such as Timeliness coverage gas leakage, allow medical personnel can use laryngeal mask safely for a long time, for a long time, broadly.
The check valve 2 that the present embodiment is communicated with air bag, the pressure condition that can detect according to pressure gauge 3 adjusts in real time to air pressure, corrects the pressure in air bag, allows the air pressure in air bag return in safety range, and then improves security performance of the present invention.
As shown in Figure 2, in the present embodiment, pressure gauge 3 is communicated with described air bag with the shared gas tube 1 of check valve 2, and in figure, gas tube only has a gas tube, like this can simplified apparatus, conveniently production and use physically.
Certainly; it should be noted that; as long as the present invention's pressure gauge 3 can be communicated with air bag with check valve 2; do not limit the connected mode that it is concrete; such as pressure gauge 3 can also be communicated with air bag respectively by a gas tube with check valve 2 (not shown in the figures anticipate out); namely pressure gauge 3 is communicated with air bag by a gas tube, and check valve 2 is communicated with air bag by another root gas tube, these forms all protection scope of the present invention.
As shown in Figure 2, in the present embodiment, check valve 2 is communicated with by the first conduit 7 with gas tube 1, and pressure gauge 3 is communicated with by the second conduit 8 with gas tube 1, so that detect air bag pressure in real time, is also conducive to being corrected by the air pressure of check valve 2 pairs of air bags.
Equally; it should be noted that; as long as the present invention's pressure gauge 3 can be communicated with air bag with check valve 2; do not limit the connected mode that it is concrete; such as: check valve 2 and gas tube 1 are wholely set (not shown in the figures anticipate out), are not namely directly connected on gas tube 1 by the first conduit 7, again such as: check valve 2 and connection tube 5 are wholely set (not shown in the figures anticipate out); namely also need not directly link on connection tube 5 by the first conduit 7, these forms all protection scope of the present invention.
As shown in Figure 2, pressure gauge 3 is provided with a union joint 4, the junction between the union joint 4 and described second conduit 8 of described pressure gauge 3 is provided with a connection tube 5, pressure gauge 3 and the second conduit 8 is coupled together with this connection tube 5.
Wherein, the union joint 4 of pressure gauge 3 is connected for non-dismountable fixed seal connection or removable seal with between described connection tube 5, is namely that pressure gauge 3 can be fixedly connected with described connection tube 5, also can be to be flexibly connected.
When it is flexibly connected, described connection tube 5 can configure a sealing-plug 6, do not needing to insert the pressure condition that described pressure gauge 3 detects air bag, and when air bag is inflated, the opening on connection tube 5 be stated in available sealing-plug 6 seal cover residence, prevent gas leakage.
As shown in Figure 3, the outer circle wall of union joint 4 diminishes from top to bottom gradually, and described union joint 4 bottom is provided with arc surface 41.Described arc surface 41 can be guided described union joint 4 and be entered described connection tube 5 smoothly and be mated connection, the outer circle wall of described union joint 4 diminishes from top to bottom gradually, so that described union joint 4 enters after in described connection tube 5, the outer wall of described union joint 4 and the inwall of described connection tube 5 closely cooperate, and sealing effectiveness is good.
As shown in Figure 3, the outer circle wall of union joint 4 is provided with at least one leakproof groove 42, described leakproof groove 42 has ramp 421 and bottom surface 422, and described bottom surface 422 is horizontally disposed with.By arranging described leakproof groove 42 on the outer wall of described union joint 4, described union joint 4 is inserted after in described connection tube 5, the better effects if that is tightly connected therebetween.
It should be noted that; above-mentioned is union joint 4 of the present invention and the one of the seal form of described connection tube 5; other seal form both be sealed connected together are all equivalent protection scopes of the present invention, such as adopt the elasticity crush seal etc. adding seal washer or utilize material.
The gas tube 1 of the new type of safe three channel throat cover 100 in the present embodiment is connected with pressure gauge 3, after the union joint 4 of described pressure gauge 3 inserts and is connected with described connection tube 5 fitted seal in connection tube 5, described pressure gauge 3 can be in real time, accurately, reliably detect the pressure condition of described air bag 201, and the pressure condition of described air bag 201 quantizes by described pressure gauge 3, described check valve 2 is coordinated to use, pressure in described air bag 201 can be corrected, allow medical personnel can Timeliness coverage gas leakage or the excessive bad phenomenon such as too small of pressure, the relieved long-time use of energy, can be safer, be more widely used laryngeal mask.
As shown in Fig. 1,4,5, new type of safe three channel throat cover of the present invention comprises channel 202 and air bag 201, and described channel 202 is connected with described air bag 201.
As shown in the figure, airway tube 209, esophageal tube 208 and instrument catheter 207 is respectively arranged with in channel 201.
Wherein, the machine end 2091 of airway tube 209 is connected with the standard interface of respirator, and patient end 205 opening of described airway tube 209 is corresponding with the gas port of human body to be arranged.During use, after respirator is connected with the described machine end 2091 of described airway tube 209, operator can implement mechanical ventilation to patient.
Wherein, the machine end 2081 of described esophageal tube 208 is provided with can the road for food apparatus esophagus instrument openings of coming in and going out, and patient end 203 opening of described esophageal tube 208 is corresponding with the esophageal orifice of human body to be arranged.Described esophageal tube 208 machine end 2081 apparatuses such as endoscope's (such as gastroscope) or stomach tube can be supplied to enter and pass through, the patient end 203 of described esophageal tube 208 is corresponding with the esophagus of described human body to be arranged.During use, the apparatuses such as endoscope's (such as gastroscope) or stomach tube enter from described machine end 2081 opening of described esophageal tube 208, stretch out from described patient end 203 opening again through described esophageal tube 208 and enter described human body esophagus, to implement endoscopy treatment or the operation such as esophagus drain or enteral nutritional support.For the ease of apparatuses such as endoscope's (such as gastroscope) or stomach tubes by described esophageal tube 208, the internal diameter of described esophageal tube 208 is 4-10mm.
Wherein, the machine end 2071 of described instrument catheter 207 is provided with can the air supply duct apparatus airway device opening of coming in and going out, and patient end 204 opening of described instrument catheter 207 is corresponding with the gas port of human body to be arranged.During use, the machine end 2071 of instrument catheter 207 can enter for the apparatus such as fibre bronchus mirror or sputum aspirator tube and pass through, and to implement the operations such as Fibro-bronchoscopy test treatment or suction sputum, the patient end 204 of described instrument catheter 207 is also corresponding with the described air flue of described human body to be arranged.During use, the apparatus such as fibre bronchus mirror or sputum aspirator tube enters from described machine end 2071 opening of described instrument catheter 207, stretch out and enter described human airway from described patient end 204 opening through described instrument catheter 207 again, to implement the operations such as Fibro-bronchoscopy test treatment or suction sputum.
Wherein, instrument catheter 207 is provided with check valve and/or stopper at the machine end of described channel.When described instrument catheter 207 does not use, described stopper 206 is covered on described machine end 2071 opening of described instrument catheter 207, and described instrument catheter 207 is in closure state, prevents gas leakage.When needs use described instrument catheter 207 to carry out instrumentation, can open described stopper 206, inserted by apparatus and enter described human airway, implementation and operation, the respiration channel that can not affect patient is like this smooth and easy, can implement other medical care precesses again.
Certainly, the present invention is not limited to this, and in other embodiments, the described machine end 2071 of described instrument catheter 207 also can be provided with check valve, or the described machine end 2071 of described instrument catheter 207 is provided with described stopper 206 and described check valve.
The present invention is in conjunction with human body laryngeal airway anatomical structure feature, and for making the apparatuses such as fibre bronchus mirror can conveniently enter patient airway, be provided with arc guide barrel 2011 below the patient end 204 of instrument catheter 207, described arc guide barrel 2011 is positioned on described air bag 201.Described human airway can be directly entered along described arc guide barrel 2011 after apparatus stretches out described instrument catheter 207.
The patient end of airway tube 209 of the present invention, the patient end of described instrument catheter 207 are corresponding with the air flue of human body respectively to be arranged, in use, can make operator at maintenance patient respiratory passage simultaneously smoothly, carry out the operations such as Fibro-bronchoscopy test treatment or suction sputum, simplify the operation step, reduce the impact on patient, and the described esophageal tube 208 that arrange corresponding to the esophagus of human body can allow the endoscopies such as gastroscope or stomach tube enter and pass through, be convenient to implement to check the operations such as treatment or enteral nutritional support.
Therefore, the present embodiment not only has quantification and detects gasbag pressure ability, in real time, accurately, reliably can detect the pressure condition of air bag, improve use safety of the present invention.And the present embodiment can also at maintenance patient respiratory passage simultaneously smoothly, stretch into apparatus to esophagus and air flue and carry out checking, treat or the operation such as suction sputum, thus the step that simplifies the operation, reduce the impact on patient further.Through the comprehensive improvement of above-mentioned two aspects, thus further improve security performance of the present invention.
Above-mentioned explanation is the detailed description for the better possible embodiments of the present invention, but embodiment is also not used to limit patent claim of the present invention, the equal change completed under all disclosed technical spirits or modification are changed, and all should belong to the present invention and contain the scope of the claims.
Claims (14)
1. a new type of safe three channel throat cover, this laryngeal mask comprises channel and air bag, and described channel is connected with described air bag, it is characterized in that:
This laryngeal mask also includes the pressure gauge for quantizing to detect gasbag pressure, and this pressure gauge is communicated with described air bag;
This laryngeal mask also includes a check valve, and described check valve is also communicated with described air bag;
Wherein, airway tube, esophageal tube and instrument catheter is respectively arranged with in described channel;
Wherein, the machine end of described airway tube is connected with the standard interface of respirator, and the patient end opening of described airway tube is corresponding with the gas port of human body to be arranged;
Wherein, the machine end of described esophageal tube is provided with can the road for food apparatus esophagus instrument openings of coming in and going out, and the patient end opening of described esophageal tube is corresponding with the esophageal orifice of human body to be arranged;
Wherein, the machine end of described instrument catheter is provided with can the air supply duct apparatus airway device opening of coming in and going out, and the patient end opening of described instrument catheter is corresponding with the gas port of human body to be arranged.
2. new type of safe three channel throat cover according to claim 1, is characterized in that:
Described pressure gauge is communicated with described air bag respectively by a gas tube with described check valve, or described pressure gauge is communicated with described air bag with the shared gas tube of described check valve.
3. new type of safe three channel throat cover according to claim 2, is characterized in that:
Described check valve is communicated with by the first conduit with described gas tube, or described check valve and described gas tube are wholely set.
4. new type of safe three channel throat cover according to claim 2, is characterized in that:
Described pressure gauge is communicated with by the second conduit with described gas tube.
5. new type of safe three channel throat cover according to claim 4, is characterized in that:
Described pressure gauge is provided with a union joint, and the junction between the union joint and described second conduit of described pressure gauge is provided with a connection tube.
6. new type of safe three channel throat cover according to claim 5, is characterized in that:
Described connection tube and check valve are wholely set.
7. new type of safe three channel throat cover according to claim 5, is characterized in that:
The union joint of described pressure gauge is connected for non-dismountable fixed seal connection or removable seal with between described connection tube.
8. new type of safe three channel throat cover according to claim 7, is characterized in that:
The outer circle wall of described union joint diminishes from top to bottom gradually, and is provided with arc surface in described union joint bottom.
9. new type of safe three channel throat cover according to claim 7, is characterized in that:
The outer circle wall of described union joint is provided with at least one leakproof groove.
10. new type of safe three channel throat cover according to claim 7, is characterized in that:
Described connection tube is also provided with a sealing-plug.
11. new type of safe three channel throat covers according to any one of claim 1 to 10, is characterized in that:
Described pressure gauge is hand of dial formula or digital pressure gauge.
12. new type of safe three channel throat covers according to any one of claim 1 to 10, is characterized in that:
The internal diameter of described esophageal tube is 4-10mm.
13. new type of safe three channel throat covers according to any one of claim 1 to 10, is characterized in that:
Described instrument catheter is provided with check valve and/or stopper at the machine end of described channel.
14. new type of safe three channel throat covers according to any one of claim 1 to 10, is characterized in that:
Be provided with arc guide barrel below the patient end of described instrument catheter, described arc guide barrel is positioned on described air bag.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629280.8A CN104667396A (en) | 2013-11-29 | 2013-11-29 | Novel safety three channel laryngeal mask |
| PCT/CN2014/084728 WO2015078204A1 (en) | 2013-11-29 | 2014-08-19 | Safe three-channel laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629280.8A CN104667396A (en) | 2013-11-29 | 2013-11-29 | Novel safety three channel laryngeal mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104667396A true CN104667396A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310629280.8A Pending CN104667396A (en) | 2013-11-29 | 2013-11-29 | Novel safety three channel laryngeal mask |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104667396A (en) |
| WO (1) | WO2015078204A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699006A (en) * | 2015-09-15 | 2016-06-22 | 车惠英 | Dial plate type micropressure pressure indicator |
| WO2017101184A1 (en) * | 2015-12-15 | 2017-06-22 | 邹德伟 | Inhalational anesthesia medical instrument assembly matched with co2 concentration monitoring device |
| CN108853671A (en) * | 2018-05-18 | 2018-11-23 | 浙江简成医疗科技有限公司 | pressure monitoring laryngeal mask |
| CN109833186A (en) * | 2017-11-28 | 2019-06-04 | 财团法人工业技术研究院 | Adjustable cuirass |
| CN111867442A (en) * | 2018-02-07 | 2020-10-30 | 卡利纳拉姆·安娜塔拉亚南 | Supraglottic airway device with dynamic cuff having excellent ventilation |
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| CN108853671A (en) * | 2018-05-18 | 2018-11-23 | 浙江简成医疗科技有限公司 | pressure monitoring laryngeal mask |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015078204A1 (en) | 2015-06-04 |
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Application publication date: 20150603 |