CN201171844Y - Laryngeal mask - Google Patents

Abstract

The utility model relates to a laryngeal mask which comprises an air cell, an air flue pipe, a pipe joint, a pipe connecting seat, an inflation pipe, an indicated air cell and a holding valve. The air flue pipe is connected with the air cell through the pipe connecting seat, and the pipe joint is arranged at the end of the air flue pipe. The inflation pipe is connected with the air cell, and the end of the inflation pipe is connected with the indicated air cell and the holding valve. The air cell is manufactured by a mould cavity in an integrated blow molding way, and the connecting surface of the air cell and the pipe connecting seat is provided with an opening. Inner sides of the upper side and the lower side of the air cell are bonded to form the air cell through the opening, and the pipe connecting seat, an inflation hole of the air cell and the inflation pipe are bonded to form a passage to be used for inflating for the air cell. The air cell of the laryngeal mask is manufactured by an integrated blow molding way, which does not have loft protuberance, does not rub and scrape the inner side of the mouth cavity of a patient and has good sealability.

Description

Laryngeal mask

Technical field

This utility model relates to a kind of medical apparatus and instruments when being used to set up the artificial airway, relates in particular to a kind of laryngeal mask airway device.

Background technology

When clinical rescue cardiopulmonary arrest patient, the patient of cardio-pulmonary resuscitation especially, setting up effective artificial airway in the very first time has crucial meaning to improving salvage success rate.Because laryngeal mask more saves time in use with respect to tracheal intubation and breathing mask, and is difficult for causing patient's cardiopulmonary reaction, cough or laryngospasm, therefore, laryngeal mask is applied to clinical operation anesthesia more and more and dangerous patient is rescued.

No. 200480009598 applications for a patent for invention of China disclose the manufacture method of a kind of laryngeal mask and this laryngeal mask, described laryngeal mask comprises cover portion, softish breather and can be to the gas tube of sleeve bag gas-filling or venting, cover portion comprises oval substantially inflatable cuff and connecting portion, breather is connected with the connecting portion of cover portion, and gas tube is connected with the bottom of inflatable bladders.During use, laryngeal mask is inserted from patient's mouth, the air bag front end arrives UES, the central authorities of air bag and the access road of patient's trachea are to it, through air valve by gas tube behind airbag aeration, form a ring packing in patient throat, through breather line to external formation one artificial airway, positive airway pressure can be implemented, patient's autonomous respiration can be allowed again.But the air bag of disclosed laryngeal mask is to adopt to divide the molded method of making in the aforementioned invention, and after upper and lower mould closure, injection molding is removed mould the taking-up air bag then to form air bag in it.The molded air bag of making of this upper and lower branch, can produce die parting line in the radial edges of air bag, when laryngeal mask being inserted in patient's mouth, the die parting line of air bag radial edges can contact and rub with patient's inside, oral cavity, inside, oral cavity is easily by the die parting line scratch, cause patient's untoward reaction, and the seam of die parting line causes easily also sealing bad.

The utility model content

The technical problems to be solved in the utility model provides a kind of good seal and can not cause the laryngeal mask of scratch to the patient.

For solving the problems of the technologies described above, this utility model provides following technical scheme: laryngeal mask comprises air bag, airway tube, catheter adapter, conduit Connection Block, gas tube, pilot balloon and check valve; Described airway tube is connected with air bag by the conduit Connection Block, and catheter adapter is positioned at the end of airway tube; Described gas tube is connected with described air bag, and the end of gas tube is provided with pilot balloon and check valve successively; Described air bag adopts the integrated blow molding manufacturing of mold cavity, air bag is provided with one in the one side that links to each other with the conduit Connection Block and cuts off mouth, by cutting off mouth side bonds in the above and below of air bag is formed air bag, and conduit Connection Block and airbag aeration hole and the bonding formation path of gas tube are used for to airbag aeration.

By above scheme as seen, air bag of the present utility model adopts the method for integrally blow molding to make, the surface of the air bag radial perimeter of the making contact surface of patient oral cavity (promptly with) does not have die parting line, make this utility model when inserting and extracting, because the air bag contact surface is level and smooth, no die parting line projection can not rub, inside, scratch patient oral cavity, has excellent sealing performance simultaneously.

Further technical scheme is that described gas tube and airway tube are wholely set.

Further technical scheme is, described airway tube has two cavitys, is respectively big chamber of conduit and conduit loculus, and gas tube is communicated with the conduit loculus, and gas tube communicates with air bag by the conduit loculus.

By gas tube and airway tube are made as one, when laryngeal mask is put into patient's mouth, can reduce contacting of laryngeal mask device and inside, patient oral cavity, put into patient's mouth easilier, and avoid the patient to produce untoward reaction as much as possible.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is a upward view of the present utility model;

Fig. 3 is along the cutaway view of A-A line among Fig. 2;

Fig. 4 is the vertical view of this utility model air bag.

The utility model is described in further detail below in conjunction with drawings and Examples.

The specific embodiment

As depicted in figs. 1 and 2, this utility model laryngeal mask comprises: comprise air bag 1, airway tube 2, catheter adapter 3, conduit Connection Block 4, gas tube 5, pilot balloon 6 and check valve 7; Wherein, airway tube 2 is connected with air bag 1 by conduit Connection Block 4, and catheter adapter 3 is positioned at the end of airway tube 2, can insert other conduits; Gas tube 5 one ends link to each other with side opening 22 on the airway tube 2, and another end is provided with pilot balloon 6 and check valve 7 successively.In the present embodiment, airway tube 2 has two cavitys, is respectively big chamber 20 of conduit and conduit loculus 21, and gas tube 5 is communicated with conduit loculus 21, makes gas tube 5 and airway tube 2 be made as one.

The manufacture method of this utility model laryngeal mask may further comprise the steps:

1, the manufacturing of air bag 1:

Air bag 1 adopts the incorporate design of die cavity of mould, the i.e. die cavity of mould not separated but one in the production process, macromolecular material body after the heating is injected the die cavity of mould, by in body, adding the gas of certain pressure, the macromolecular material pipe is drawn into the shape air bag consistent with die cavity 1 (being the blowing process), by behind the cooling and shaping air bag 1 being taken out from mould inlet pipe mouth, the air bag of this technology manufacturing will not have die parting line to exist; In addition, the die cavity of mould is processed into dull surface by galvano-cautery, rather than minute surface, makes the surface of air bag 1 also form dull surface, in the time of can effectively reducing air bag like this and put into the patient oral cavity and the friction of tissue;

2, the manufacturing of airway tube 2:

With reference to Fig. 2 and Fig. 3, making has the airway tube 2 of two cavitys, and the function of airway tube is realized in the big chamber 20 of conduit, and conduit loculus 21 is communicated with gas tubes 5; At first, with airway tube 2 processing of finalizing the design, make its radian reach designing requirement, conduit loculus 21 is positioned at roundlet arc place, at a end one side opening 22 is set near catheter adapter 3, side opening 22 apertures are slightly larger than conduit loculus 21 apertures, side opening 22 is tangent with conduit loculus 21, with conduit loculus 21 tangent formation two stomidiums (not shown), the bonding gas tube 5 of stomidium of conduit loculus 21 air bag 1 one ends that be cut into mutually, close, the bonding formation of air-filled pore (not shown) of check valve 7, gas tube 5, conduit loculus 21 and air bag 1 is given the current path of airbag aeration;

3, the assembling of air bag 1 and airway tube 2:

With reference to Fig. 4, the air bag 1 that blowing is good is cut off in the one side that links to each other with conduit Connection Block 4, form one and cut off mouth 10, in the hole (bonding metapore communicates with the big chamber 20 of conduit of airway tube 2) that another side punching press one conforms to design, cut off mouthfuls 10 to stick with glue agent bonding by the shape of design the inboard, above and below of air bag 1 by what cut off, the inflation back becomes air bag, conduit loculus 21 is formed path with the bonding back of conduit Connection Block 4 and airbag aeration hole be used for to airbag aeration.

Below further specify the use step of this utility model in inserting mouthful the time:

(1) by check valve 7, pilot balloon 6, gas tube 5 air bag 1 is exitted,, put into mouth easily so that air bag 1 can be compressed into a very little part;

(2) air bag 1 boil down to sub-fraction, put into mouth;

(3) inflate to air bag 1 by check valve 7 and gas tube 5, expand into proper state, at this moment, can check that whether air bag 1 leaks gas, and can judge that air bag 1 is air tight when pilot balloon 6 is heaved by pilot balloon 6 until air bag 1.

In addition, air bag 1 can also adopt the integrated method manufacturing of mould in left and right minute, the air bag that adopts left and right minute modeling method to make, the die parting line that forms is not positioned at the radial edges of air bag, promptly be not positioned on the acting surface that contacts with the patient oral cavity, can avoid friction or inside, scratch patient oral cavity, reduce patient's untoward reaction.

Certainly, technical conceive of the present utility model is not limited in the foregoing description, can also obtain many different concrete schemes according to design of the present utility model, for example, in the above-described embodiments, gas tube and airway tube are made as one, but the mode that also can adopt gas tube and airway tube branch to be arranged, gas tube is located at the outside of airway tube; All should be included within the described scope of claim such as these changes and equivalent transformation.

Claims (10)

1, laryngeal mask comprises

Air bag, airway tube, catheter adapter, conduit Connection Block, gas tube, pilot balloon and check valve; Described airway tube links to each other with air bag by the conduit Connection Block, and catheter adapter is positioned at the end of airway tube; Described gas tube links to each other with described air bag, and the end of gas tube is provided with pilot balloon and check valve successively;

It is characterized in that:

Described air bag adopts the integrated blow molding manufacturing of mold cavity, air bag is provided with one in the one side that links to each other with the conduit Connection Block and cuts off mouth, by cutting off mouth side bonds in the above and below of air bag is formed air bag, and conduit Connection Block and airbag aeration hole and the bonding formation path of gas tube are used for to airbag aeration.

2, laryngeal mask according to claim 1 is characterized in that:

The outer surface of described air bag is a dull surface.

3, laryngeal mask according to claim 1 is characterized in that:

Described gas tube and airway tube are wholely set.

4, laryngeal mask according to claim 3 is characterized in that:

Described airway tube has two cavitys, is respectively big chamber of conduit and conduit loculus, and gas tube is communicated with the conduit loculus, and gas tube communicates with air bag by the conduit loculus.

5, laryngeal mask according to claim 4 is characterized in that:

Described airway tube is provided with a side opening near an end of catheter adapter, the side opening aperture is slightly larger than conduit loculus aperture, side opening and conduit loculus are tangent, with tangent formation two stomidiums of conduit loculus, the bonding gas tube of stomidium of air bag one end that the conduit loculus is cut into mutually, close, the bonding formation of the air-filled pore of check valve, gas tube, loculus and air bag is given the current path of airbag aeration.

6, laryngeal mask comprises

Air bag, airway tube, catheter adapter, conduit Connection Block, gas tube, pilot balloon and check valve; Described airway tube links to each other with air bag by the conduit Connection Block, and catheter adapter is positioned at the end of airway tube; Described gas tube links to each other with described air bag, and the end of gas tube is provided with pilot balloon and check valve successively;

It is characterized in that:

Described air bag adopts the integrated blow molding manufacturing of mould in left and right minute, air bag is provided with one in the one side that links to each other with the conduit Connection Block and cuts off mouth, by cutting off mouth side bonds in the above and below of air bag is formed air bag, and conduit Connection Block and airbag aeration hole and the bonding formation path of gas tube are used for to airbag aeration.

7, laryngeal mask according to claim 6 is characterized in that:

The outer surface of described air bag is a dull surface.

8, laryngeal mask according to claim 6 is characterized in that:

Described gas tube and airway tube are wholely set.

9, laryngeal mask according to claim 8 is characterized in that:

Described airway tube has two cavitys, is respectively big chamber of conduit and conduit loculus, and gas tube is communicated with the conduit loculus, and gas tube communicates with air bag by the conduit loculus.

10, laryngeal mask according to claim 9 is characterized in that:

Described airway tube is provided with a side opening near an end of catheter adapter, the side opening aperture is slightly larger than conduit loculus aperture, side opening and conduit loculus are tangent, with tangent formation two stomidiums of conduit loculus, the bonding gas tube of stomidium of air bag one end that the conduit loculus is cut into mutually, close, the bonding formation of the air-filled pore of check valve, gas tube, loculus and air bag is given the current path of airbag aeration.

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