CN201719661U - Safety laryngeal mask - Google Patents

Safety laryngeal mask Download PDF

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Publication number
CN201719661U
CN201719661U CN2010202832103U CN201020283210U CN201719661U CN 201719661 U CN201719661 U CN 201719661U CN 2010202832103 U CN2010202832103 U CN 2010202832103U CN 201020283210 U CN201020283210 U CN 201020283210U CN 201719661 U CN201719661 U CN 201719661U
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CN
China
Prior art keywords
catheter
laryngeal mask
air bag
inner catheter
air
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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.)
Expired - Fee Related
Application number
CN2010202832103U
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Chinese (zh)
Inventor
殷骏
Original Assignee
殷骏
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Filing date
Publication date
Application filed by 殷骏 filed Critical 殷骏
Priority to CN2010202832103U priority Critical patent/CN201719661U/en
Application granted granted Critical
Publication of CN201719661U publication Critical patent/CN201719661U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a safety laryngeal mask. The safety laryngeal mask comprises a laryngeal mask air sac, a mask body, an outer catheter and a laryngeal mask observation air sac, wherein the outer catheter is communicated with air holes on the inner surface of the mask body; the laryngeal mask observation air sac is communicated with an air cavity of the laryngeal mask air sac; an inner catheter is arranged in the outer catheter; one end of the inner catheter extends to the end part of the laryngeal mask air sac and extends outwards; the extension end of the inner catheter is provided with a catheter air sac; a catheter observation air sac communicated with the air cavity of the catheter air sac is connected to the catheter air sac; and a ventilation cavity aperture is formed between the outer catheter and the inner catheter. By adopting the structure, the safety laryngeal mask has the advantages that: 1, after the extension end at the front end of the inner catheter enters an esophagus, the catheter air sac is inflated, the cavity aperture between the catheter and the esophagus is blocked and gastric content can be prevented from flowing back into an air passage through the cavity aperture; 2, the gastric content can be absorbed through the inner catheter; 3, assisted positioning can be performed, so that the laryngeal mask air sac is prevented from shifting; and 4, if the entrance of the front end of the inner catheter into the trachea of a patient is found under a special situation, ventilation can be performed through the inner catheter.

Description

A kind of safe laryngeal mask
Technical field
This utility model relates to the laryngeal mask technical field, particularly a kind of safe laryngeal mask.
Background technology
At present, laryngeal mask is an aeration equipment on a kind of novel glottis, and it is widely used in clinical anesthesia, has obtained good effect.The laryngeal mask observation air bag that common laryngeal mask comprises the laryngeal mask air bag, is communicated with the air cavity of laryngeal mask air bag, the inner face of laryngeal mask cover body, cover body is provided with pore, and pore is communicated with airway.Laryngeal mask is inserted patient's bottleneck throat, in the time of can not pushing ahead again, observe air bag by laryngeal mask and give the laryngeal mask airbag aeration, the laryngeal mask air bag holds glottis, and the pore on the cover body inner face can be imported oxygen by airway then over against patient's glottis, oxygen enters patient's trachea by pore, finishes ventilation.Yet there is following shortcoming in laryngeal mask: can not prevent 1, that gastric content from backflowing enters patient's respiratory tract.But 2 occurrence positions move, and influence normal ventilation.3, can cause esophagus inflation and flatulence.4, part patient para-position difficulty.
In the curative activity, the medical worker also often uses endotracheal tube, catheter air bag is housed on the endotracheal tube, catheter air bag can be observed airbag aeration by it, the medical worker stretches into the end of endotracheal tube patient's trachea, and the operational observations air bag inflates to catheter air bag, makes in its respiratory tract that is fixed on the patient, then gets final product by conduit input oxygen.But the endotracheal tube of this structure is but in following shortcoming: 1, before the intubate, needs of patients reaches certain depth of anesthesia.2, when intubate and tube drawing, stronger stress is arranged, can cause the circulation dynamics fluctuation that the patient is violent.3, endotracheal tube has the danger that is strayed into esophagus.4, patient's postoperative is prone to pharyngalgia and pulmonary infection.5, in difficult airway patient's intubate process, must rely on some expensive professional equipments, such as fibre bronchus mirror, video laryngoscope etc.
The utility model content
Technical problem to be solved in the utility model is, at the deficiencies in the prior art, provides a kind of safe laryngeal mask that prevents that gastric content from instead flowing, can not occur being shifted, ventilation is implemented on safety and precise ground.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of safe laryngeal mask, comprise that laryngeal mask air bag, cover body, the outer catheter that is connected with pore on the cover body inner face, the laryngeal mask that is connected with the air cavity of laryngeal mask air bag observe air bag, be provided with inner catheter in the described outer catheter, one end of described inner catheter extends to the end of laryngeal mask air bag and stretches out, its external part is provided with catheter air bag, be connected with the conduit that is connected with its air cavity on the described catheter air bag and observe air bag, form the lacuna of ventilation between described outer catheter and the inner catheter.
Described conduit is observed air bag and is connected with the air cavity of catheter air bag by thin airway.
The inlet end of described outer catheter is provided with interface, and the inlet end of described inner catheter also is provided with interface, and the other end of inner catheter is provided with side opening.
The tube wall of described inner catheter is provided with X-ray development line.
Described inner catheter passes described laryngeal mask air bag and stretches out from the port of laryngeal mask air bag end.
This utility model adopts said structure, have the following advantages: can prevent 1, that gastric content is counter flows, and after the external part of inner catheter front end enters esophagus, catheter air bag is inflated, but the lacuna between occlusion catheter and the esophagus prevents that gastric content from flowing to into air flue by this lacuna is counter; 2, can attract gastric content, after the external part of inner catheter front end enters esophagus, can place drainage tube or negative pressure catheter, gastric content drain or attraction are come out by inner catheter; 3, auxiliary laryngeal mask location is when the inner catheter front end enters esophagus fully, when laryngeal mask can not be pushed ahead again, pore is over against the glottis position, and after the catheter air bag inflation, the external part of inner catheter front end is fixed in esophagus, thereby make the laryngeal mask fixed-site, can not be shifted; 4, can implement laryngeal mask airway by the lacuna between outer catheter and the inner catheter; If 5 under special circumstances, when the front end of discovery inner catheter enters patient's trachea, can implement ventilation by inner catheter.
Description of drawings
Below in conjunction with the drawings and specific embodiments this utility model is described in further detail;
Fig. 1 is a structural representation of the present utility model;
In Fig. 1,1, the laryngeal mask air bag; 2, pore; 3, outer catheter; 4, laryngeal mask is observed air bag; 5, inner catheter; 6, catheter air bag; 7, conduit is observed air bag; 8, side opening; 9, X-ray development line.
The specific embodiment
A kind of as shown in Figure 1 safe laryngeal mask, comprise that laryngeal mask air bag 1, cover body, the outer catheter 3 that is connected with pore 2 on the cover body inner face, the laryngeal mask that is connected with the air cavity of laryngeal mask air bag 1 observe air bag 4, be provided with inner catheter 5 in the outer catheter 3, one end of inner catheter 5 extends to the end of laryngeal mask air bag 1 and stretches out, its external part is provided with catheter air bag 6, and this external part is the outlet side.Be connected with the conduit that is connected with its air cavity on the catheter air bag 6 and observe air bag 7, form the lacuna of ventilation between outer catheter 3 and the inner catheter 5.Outer catheter 3 is separate, not connected with inner catheter 5.Outer catheter 3 is a rectangular tube, and inner catheter 5 is a round tube.Conduit is observed air bag 7 and is connected by the air cavity of thin airway with catheter air bag 6.Inner catheter 5 passes laryngeal mask air bag 1 and stretches out from the port of laryngeal mask air bag 1 end.The inlet end of outer catheter 3 is provided with interface, and the inlet end of inner catheter 5 also is provided with interface, and two interfaces are all for the convenient joint that connects the anesthetic machine corrugated tubing.The other end of inner catheter 5 is provided with side opening 8, and when the gas outlet of the outlet side of inner catheter was obstructed, side opening 8 was as standby gas outlet.The tube wall of inner catheter 5 is provided with X-ray development line, and this X-ray development line is blue.After inserting this safe laryngeal mask, the shown image of X-ray development line under X-ray, the front end external part that can reflect inner catheter 5 be in the intravital particular location of patient, the degree of depth, with and situation such as whether be distorted.
When using this safe laryngeal mask, the medical worker stretches into patient's esophagus fully with inner catheter 5 front ends, when laryngeal mask can not be pushed ahead again, observing air bag 4 by laryngeal mask inflates in laryngeal mask air bag 1, observe inflation in the air bag 7 conductive pipe air bags 6 by conduit, laryngeal mask air bag 1 fixed-site, can not be shifted, laryngeal mask air bag 1 holds glottis and with its sealing, pore 2 on the cover body inner face is over against patient's glottis position, then can oxygen be passed to pore 2, enter the patient respiratory road then by the lacuna between outer catheter 3 and the inner catheter 2.Simultaneously, this safe laryngeal mask can prevent that gastric content is counter and flow that after the external part of inner catheter 5 front ends entered patient's esophagus, with catheter air bag 6 inflations, but the lacuna between shutoff inner catheter 5 and the esophagus prevented that gastric content from flowing to into air flue by this lacuna is counter; This safe laryngeal mask can also attract gastric content, after the external part of inner catheter 5 front ends enters esophagus, can place drainage tube or negative pressure catheter by inner catheter 5, and gastric content drain or attraction are come out; If under special circumstances, when the front end of discovery inner catheter 5 enters patient's trachea, after inflation in the conduit observation air bag 7 conductive pipe air bags 6, can ventilate by inner catheter 5 enforcements, guarantee safety.
In conjunction with the accompanying drawings this utility model has been carried out exemplary description above; obviously this utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection domain of the present utility model.

Claims (5)

1. safe laryngeal mask, comprise laryngeal mask air bag (1), cover body, the outer catheter (3) that is connected with pore (2) on the cover body inner face, the laryngeal mask that is connected with the air cavity of laryngeal mask air bag (1) is observed air bag (4), it is characterized in that: be provided with inner catheter (5) in the described outer catheter (3), one end of described inner catheter (5) extends to the end of laryngeal mask air bag (1) and stretches out, its external part is provided with catheter air bag (6), be connected with the conduit that is connected with its air cavity on the described catheter air bag (6) and observe air bag (7), form the lacuna of ventilation between described outer catheter (3) and the inner catheter (5).
2. a kind of safe laryngeal mask according to claim 1 is characterized in that: described conduit is observed air bag (7) and is connected by the air cavity of thin airway with catheter air bag (6).
3. a kind of safe laryngeal mask according to claim 1 is characterized in that: the inlet end of described outer catheter (3) is provided with interface, and the inlet end of described inner catheter (5) also is provided with interface, and the other end of inner catheter (5) is provided with side opening (8).
4. a kind of safe laryngeal mask according to claim 1 is characterized in that: the tube wall of described inner catheter (5) is provided with X-ray development line.
5. a kind of safe laryngeal mask according to claim 1 is characterized in that: described inner catheter (5) passes described laryngeal mask air bag (1) and stretches out from the port of laryngeal mask air bag end.
CN2010202832103U 2010-07-30 2010-07-30 Safety laryngeal mask Expired - Fee Related CN201719661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202832103U CN201719661U (en) 2010-07-30 2010-07-30 Safety laryngeal mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202832103U CN201719661U (en) 2010-07-30 2010-07-30 Safety laryngeal mask

Publications (1)

Publication Number Publication Date
CN201719661U true CN201719661U (en) 2011-01-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202832103U Expired - Fee Related CN201719661U (en) 2010-07-30 2010-07-30 Safety laryngeal mask

Country Status (1)

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CN (1) CN201719661U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102974014A (en) * 2012-11-27 2013-03-20 肖金仿 Combined air breather both of built-inBuilt-in tracheal catheter and laryngeal mask combined air breather for general anesthesia
CN105561454A (en) * 2016-01-28 2016-05-11 浙江曙光科技有限公司 Drainage type bronchofiberscope laryngeal mask

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102974014A (en) * 2012-11-27 2013-03-20 肖金仿 Combined air breather both of built-inBuilt-in tracheal catheter and laryngeal mask combined air breather for general anesthesia
CN102974014B (en) * 2012-11-27 2016-03-09 肖金仿 The built-in endotracheal tube laryngeal mask associating breather of general anesthesia
CN105561454A (en) * 2016-01-28 2016-05-11 浙江曙光科技有限公司 Drainage type bronchofiberscope laryngeal mask

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110126

Termination date: 20120730