CN208405637U - Laryngeal mask is inflated in multifunctional integrated molding certainly - Google Patents

Laryngeal mask is inflated in multifunctional integrated molding certainly Download PDF

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Publication number
CN208405637U
CN208405637U CN201720950117.5U CN201720950117U CN208405637U CN 208405637 U CN208405637 U CN 208405637U CN 201720950117 U CN201720950117 U CN 201720950117U CN 208405637 U CN208405637 U CN 208405637U
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conduit
laryngeal mask
proximal end
board
inflated
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CN201720950117.5U
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Chinese (zh)
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杨作庶
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Guangdong Yikang Medical Equipment Co.,Ltd.
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杨作庶
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Abstract

The utility model relates to multifunctional integrated form of one kind to inflate laryngeal mask, including conduit and cover portion certainly, and the end of catheter proximal end is equipped with board, and conduit is interior at least provided with mutually independent gas ducting and for air supply pipe inner tube air pipe passway through them;The proximal end of gas ducting is stretched out from board and is connected with air control valve in its end, and pressure ball of supplying gas is connected with below air control valve, and the inflatable cuff that is distally connected to of gas ducting is suitable for inflatable cuff inflation;The distal end of air pipe passway is communicated on the inside of cover plate and forms the directed cavity with predetermined angle;Conduit and cover portion are integrated injection molding.Inflation laryngeal mask favorable sealing property in the utility model, duration of ventilation is long, has the drainage tolerant to liquid in esophagus stomach function regulating, instrument is facilitated to pass through and move.Air bag is inflated to clinical Ge standard requirements after insertion, insertion stomach tube merging laryngeal mask drainage lumens have unique air bag sputum collecting chamber, prevent sputum from backflowing accidentally and inhale, security performance is high, smoothly attracts gastric juice out.

Description

Laryngeal mask is inflated in multifunctional integrated molding certainly
Technical field
The present invention relates to a kind of laryngeal mask airway devices, and in particular to laryngeal mask is inflated in the multifunctional integrated molding of one kind certainly.
Background technique
Intubating laryngeal mask airway device is to establishing the useful widely known device of air flue in unalive patient.The U.S. is special Sharp No.4,509,514 is one of a variety of applications for describing intubating laryngeal mask airway device.Such device is used for many years, And provide the substitution utensil to older, even widely known endotracheal tube.Compared with endotracheal tube, by laryngeal mask airway Road device is inserted into the patient, and to establish, air flue is opposite to be easier to.Also, intubating laryngeal mask airway device is " kind " device, because Even if it is inserted improperly, also still tend to establish air flue.Therefore, intubating laryngeal mask airway device is often thought of as " lifesaving " dress It sets.Also, smaller operation only can be carried out to patient's head, neck, jaw and be inserted into intubating laryngeal mask airway device.In turn, intubating laryngeal mask airway Device provides the ventilation to the lung of patient, the sensitive liner without requiring contact tracheae, and the size allusion quotation for the air flue established Type it is noticeably greater than the size for the air flue established with endotracheal tube.Also, intubating laryngeal mask airway device do not interfere cough degree with Endotracheal tube is identical.Mainly due to these advantages, intubating laryngeal mask airway device has gradually been popularized in recent years.
United States Patent (USP) No.5,303,697 and 6,079,409, which is described, is referred to alternatively as " intubating laryngeal mask airway device " The example of prior-art devices type.The cannula type device is useful to the insertion of endotracheal tube is facilitated.In the intubation When formula intubating laryngeal mask airway device has been placed in patient's body, described device may act as the guidance of the endotracheal tube for being subsequently inserted into Part.The mode of " blindmate " of endotracheal tube is facilitated what is commonly known as using intubating laryngeal mask airway device by this method.Only need patient head, The smaller movement of neck and jaw can insert the intubating laryngeal mask airway device, and described device is located in the trouble by one In person, so that it may hardly need the additional movement of patient and insert endotracheal tube.If this with do not have to intubating laryngeal mask airway The larger movement of the head, neck and jaw of patient is required to form a sharp contrast when endotracheal tube is inserted in the assistance of device.
A kind of common version of intubating laryngeal mask airway device commercial marketization for many years, such as Cyprus " Fastrach " of Laryngeal Mask Company manufacture.Fig. 1 shows the front side of prior art Fastrach device 100 Diagram.Fig. 2 shows the sectional views of the device 100 taken on the direction of arrow 1B-1B as shown in Figure 1.
Device 100 includes rigid steel airway tube 110, the part 130 silicone mask (silicone mask), 180 and of rigid steel handle Inflation line (inflation line) 190.Handle 180 is connected to pneumatic duct 110 near the proximal end of pipe 112.Cover portion point 130 exists The distal end 114 of pipe is connected to pneumatic duct 110.Cover portion point 130 includes dome shaped backplate 132 and inflatable cuff (cuff) 134.Cover Part 130 also includes epiglottis elevator bar (elevator bar) 150.One end 152 of stick 150 is connected to backboard 132.The stick 150 other end 154 is " free floating ", or is not attached to any other part of described device.Stick 150 is effectively hinged Partly rest part is covered to described.
In operation, cuff 134 is deflated, and then cover portion point is inserted into the pharynx of patient, while the gas by the mouth of patient The proximal end 112 of deferent and handle 180 are retained in outside the mouth of patient.Handle 180 can be used for manipulating described device.Cuff 134 is then led to Gas overcharging route 190 is inflated, and is open to form sealing with the glottis around patient.After the device 100 is so positioned, described The distal openings 117 of device (shown in Fig. 1) are aligned with the glottis of patient opening, and described device is provided from pneumatic duct 110 Proximal end 112 extend to patient tracheae sealing air flue.When epiglottis elevator bar 150 is in rest home location, stick 150 is anti- In the bowl-like shape that only epiglottis of patient falls into the cuff by inflating and backboard limits, to prevent epiglottis blocking described device from mentioning The airway passage of confession.Fig. 3 shows the endotracheal tube 195 for being inserted through device 100.Gas is inserted into the distal end 196 of endotracheal tube 195 The proximal end 112 of deferent, then endotracheal tube 195 advances, and divides 130 until distal end 196 reaches cover portion, then passes through cover portion point 130.
Although place of working is very good always for existing laryngeal mask device, still have the disadvantages that
1, the cover of the laryngeal mask of various regions production both at home and abroad and tracheae are divided into two accessories at present, result in assembling process In, each position of tracheae and cover, between Kong Yukong, between axis and axis, it is impossible to which absolutely concentricity causes doctor will Endotracheal tube intert into when touched, and also increase the manufacturing difficulty and technique it is many and diverse, affect the appearance of product And its quality.
2, the current gas tube of most laryngeal mask and the connection of cover both at home and abroad, are in cover external connection (such as Fig. 1 Inflation line 190).It is serious affect doctor and intert laryngeal mask to patient enter the difficulty in oral cavity, while also increasing patient's The difficult pharynx degree of mostly one pipe in oral cavity.
3, for doctor both domestic and external after doing laryngeal mask to patient and interting the suitable position of entrance cavity, doctor looks for a note again at present Emitter inflation enters in laryngeal mask cover (left hand keeps a firm hand on charge valve alignment syringe, and the right hand keeps a firm hand on syringe inflation, both hands operation). After the completion of performing the operation, then after looking for the intracorporal gas of syringe holder cover to release again by doctor, finally laryngeal mask from patient Oral cavity in take out, operate it is loaded down with trivial details, easily go wrong.
Therefore, above-mentioned three point defect has to be solved.
Summary of the invention
The technical problem to be solved by the present invention is propose a kind of insertion convenient for endotracheal tube, it is external without extra pipeline and Laryngeal mask is inflated certainly convenient for the multifunctional integrated molding of inflation/deflation.
The technical solution that the present invention proposes to solve above-mentioned technical problem is: larynx is inflated in the multifunctional integrated molding of one kind certainly Cover, including conduit and cover portion, the conduit extend to distal end from its proximal end, and the cover portion is connected to the far-end of the conduit, The cover portion includes cover plate and inflatable cuff, and the inflatable cuff is used to be centered around the glottis opening of patient after inflation,
The end of the catheter proximal end is equipped with board, and the conduit is interior at least provided with mutually independent gas ducting and use In air supply pipe inner tube air pipe passway through them;The gas ducting prolongs from the proximal end of the conduit to the distal end of conduit It stretches, the proximal end of the gas ducting is stretched out from the board and is connected with air control valve in its end, below the air control valve It is connected with pressure ball of supplying gas, the inflatable cuff that is distally connected to of the gas ducting is suitable for inflatable cuff inflation;The gas Distal end of the tube passage from the proximal end of the conduit to conduit extends, and the proximal end of the air pipe passway is formed with the on the board One socket, the distal end of the air pipe passway are communicated on the inside of the cover plate and form the directed cavity with predetermined angle;
The conduit and the cover portion are integrated injection molding.
Further, one and the gas ducting and air pipe passway also mutually independent drainage are additionally provided in the conduit Channel;
The cover portion front end is equipped with draining hole, and the drainage channel prolongs from the proximal end of the conduit to the distal end of the conduit It stretches, the proximal end of the drainage channel is formed with the second socket, the distal end of the drainage channel and the drainage on the board Mouth connection perforation.
Further, close to being equipped with hard bite-block pipe outside the air pipe passway at the board bottom surface.
Further, the forefront depression on the inside of the cover plate in the directed cavity is formed with collection phlegm chamber.
Further, the side of the board is connected with flexible fixing strap, and interval is formed with more on the flexible fixing strap A strip jack, the other side of the board are formed with for the T connector fixed with strip jack cooperation.
Further, instruction sacculus is equipped on the gas ducting for being located at air control valve front.
Further, the section of the conduit is ellipse.
The beneficial effects of the present invention are:
From inflation laryngeal mask favorable sealing property, duration of ventilation is long, has to esophagus for multifunctional integrated molding in the present invention The tolerant drainage of liquid in stomach function regulating, the variation of internal diameter be it is gradual, facilitate instrument to pass through and move.And energy when needing Complete trachea cannula everything goes well with your work intubation through laryngeal mask, when insertion can any blind spys be inserted into, air bag is inflated to clinic after insertion Ge standard requirements, insertion stomach tube merging laryngeal mask drainage lumens have unique air bag sputum collecting chamber, prevent sputum from backflowing accidentally and inhale, safety Performance is high, smoothly attracts gastric juice out.
Detailed description of the invention
Multifunctional integrated molding of the invention is described further from inflation laryngeal mask with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram that conventional laryngeal mask air-breather is referred in background technique;
Fig. 2 is the cut-away view of 1B-1B in Fig. 1;
Fig. 3 is for showing how endotracheal tube passes through device in Fig. 1;
Fig. 4 is the schematic diagram of front three-dimensional structure that laryngeal mask is inflated in multifunctional integrated molding certainly in the present invention;
Fig. 5 is the back side dimensional structure diagram that laryngeal mask is inflated in multifunctional integrated molding certainly in the present invention;
Fig. 6 is the facing structure figure that laryngeal mask is inflated in multifunctional integrated molding certainly in Fig. 4;
Fig. 7 be A-A in Fig. 6 to structure cut-away view;
Fig. 8 is the top view structure chart at board;
Fig. 9 is the structure cut-away view of the B-B direction along Fig. 8.
Specific embodiment
Embodiment
According to Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the multifunctional integrated molding in the present invention inflates laryngeal mask certainly, Including conduit 200 and cover portion 300.Conduit 200 extends to distal end from its proximal end, and cover portion 300 is connected to the far-end of conduit 200, Cover portion 300 includes cover plate 301 and inflatable cuff 302.Inflatable cuff 302 is after inflation for being centered around the glottis opening of patient.
The end of 200 proximal end of conduit is equipped with board 201.It is equipped with mutually independent gas ducting 202 in conduit 200 and uses In air supply pipe inner tube (not shown) air pipe passway 203 (or central airway passage) through them.
For facilitate instrument be inserted into and eliminate it is potential rotation and constitute natural oral cavity stabilizer function, can be used as preferably : the section of conduit 200 is oval.
Gas ducting 202 extends along the proximal end from conduit 200 to the distal end of conduit 200.The proximal end of gas ducting 202 from It is stretched out at board 201 and is connected with air control valve 401 in its end, pressure ball 402 of supplying gas is connected with below air control valve 401.Control gas The related utensil that valve 401 is referred to as blood pressure measurement air bag inflation to pressure ball 402 of supplying gas, doctor can with one-handed performance, or The operation of both hands simplicity.The inflatable cuff 302 that is distally connected to of gas ducting 202 is suitable for the inflation of inflatable cuff 302.
Air pipe passway 203 extends from the proximal end of conduit 200 to the distal end of conduit 200, and the proximal end of air pipe passway 203 is in board The first socket 204 is formed on 201, the distal end of air pipe passway 203, which is communicated to 301 inside of cover plate and is formed, has predetermined angle Directed cavity 205.Endotracheal tube by the guiding role that first socket 204 enters into and through directed cavity 205 extend back to patient by Gas position.In addition, can be used as preferred to prevent the unconscious unexpected occlusion of patient from the blocking of endotracheal tube being caused to press It is: is equipped with hard bite-block pipe 208 outside the air pipe passway 203 close at 201 bottom surface of board, hard bite-block pipe 208 can To be made by flat plastics or metal material cannot be stung by patient.In addition, the top of hard bite-block pipe 208 can connect and be fixed to On the bottom surface of board 201.
Conduit 200 and cover portion 300 are integrated injection molding, and integrated injection molding, which is advantageous in that, avoids Kong Yukong, axis Splicing with axis does not align, to help the smooth insertion of endotracheal tube.
It can be used as preferably: being additionally provided with one in conduit 200 with gas ducting 202 and air pipe passway 203 also mutually Independent drainage channel 206.It is equipped with draining hole 303 in 300 front end of cover portion, drainage channel 206 is from the proximal end of conduit 200 to conduit 200 distal end extends, and the proximal end of drainage channel 206 is formed with the second socket 207, the distal end of drainage channel 206 on board 201 Perforation is connect with draining hole 303.Cooperate the second socket 207 that stomach secretion (such as gastric acid) can be effectively reduced by drainage device Into the risk of tracheae.
It is inhaled to prevent sputum from backflowing accidentally, collection phlegm chamber can be formed in the forefront depression of directed cavity 205 in 301 inside of cover plate 304。
For that can be connected with flexible fixing strap 500 in the side of board 201, be spaced shape on flexible fixing strap convenient for fixation At there is multiple strip jacks, the other side of board 201 is formed with for the T connector 208 fixed with the cooperation of strip jack.
For instruction sacculus can be equipped on the gas ducting 202 for being located at 401 front of air control valve convenient for grasping inflated condition 403。
Of the invention is not limited to the above embodiment, and the technical solution of above-mentioned each embodiment of the invention can be handed over each other Fork combination form new technical solution, in addition it is all using equivalent replacement formed technical solution, all fall within the present invention claims guarantor It protects in range.

Claims (7)

1. a kind of multifunctional integrated molding is from inflation laryngeal mask, including conduit and cover portion, the conduit extends to distal end from its proximal end, The cover portion is connected to the far-end of the conduit, and the cover portion includes cover plate and inflatable cuff, and the inflatable cuff is being inflated Afterwards for being centered around the glottis opening of patient, it is characterised in that:
The end of the catheter proximal end is equipped with board, and the conduit is interior at least provided with mutually independent gas ducting and for supplying Endotracheal tube air pipe passway through them;Distal end of the gas ducting from the proximal end of the conduit to conduit extends, institute The proximal end for stating gas ducting is stretched out from the board and is connected with air control valve in its end, is connected with below the air control valve It supplies gas pressure ball, the inflatable cuff that is distally connected to of the gas ducting is suitable for inflatable cuff inflation;The air pipe passway Extend from the proximal end of the conduit to the distal end of conduit, the proximal end of the air pipe passway is formed with first on the board and inserts Mouthful, the distal end of the air pipe passway is communicated on the inside of the cover plate and forms the directed cavity with predetermined angle;
The conduit and the cover portion are integrated injection molding.
2. laryngeal mask is inflated in multifunctional integrated molding certainly according to claim 1, it is characterised in that: be additionally provided with one in the conduit Item and the gas ducting and air pipe passway also mutually independent drainage channel;
The cover portion front end is equipped with draining hole, and the drainage channel extends from the proximal end of the conduit to the distal end of the conduit, The proximal end of the drainage channel is formed with the second socket on the board, and the distal end of the drainage channel connects with the draining hole Connect perforation.
3. multifunctional integrated molding is from inflation laryngeal mask according to claim 2, it is characterised in that: close to the board bottom Hard bite-block pipe is equipped with outside the air pipe passway at face.
4. laryngeal mask is inflated in multifunctional integrated molding certainly according to claim 3, it is characterised in that: described on the inside of the cover plate The forefront depression of directed cavity is formed with collection phlegm chamber.
5. laryngeal mask is inflated in multifunctional integrated molding certainly according to claim 4, it is characterised in that: the side of the board connects Flexible fixing belt, interval is formed with multiple strip jacks on the flexible fixing strap, and the other side of the board is formed with For the T connector fixed with strip jack cooperation.
6. laryngeal mask is inflated in -5 any multifunctional integrated moldings certainly according to claim 1, it is characterised in that: be located at air control valve The gas ducting of front is equipped with instruction sacculus.
7. laryngeal mask is inflated in -5 any multifunctional integrated moldings certainly according to claim 1, it is characterised in that: the conduit is cut Face is ellipse.
CN201720950117.5U 2017-08-01 2017-08-01 Laryngeal mask is inflated in multifunctional integrated molding certainly Active CN208405637U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720950117.5U CN208405637U (en) 2017-08-01 2017-08-01 Laryngeal mask is inflated in multifunctional integrated molding certainly

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Application Number Priority Date Filing Date Title
CN201720950117.5U CN208405637U (en) 2017-08-01 2017-08-01 Laryngeal mask is inflated in multifunctional integrated molding certainly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3698836A1 (en) * 2019-02-25 2020-08-26 Visual Oxy, S.L. Laryngeal mask
CN111619074A (en) * 2020-05-07 2020-09-04 江门市康馨医疗器械有限公司 Laryngeal mask breather pipe, injection molding method and injection molding equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3698836A1 (en) * 2019-02-25 2020-08-26 Visual Oxy, S.L. Laryngeal mask
CN111619074A (en) * 2020-05-07 2020-09-04 江门市康馨医疗器械有限公司 Laryngeal mask breather pipe, injection molding method and injection molding equipment
CN111619074B (en) * 2020-05-07 2022-03-08 江门市康馨医疗器械有限公司 Laryngeal mask breather pipe, injection molding method and injection molding equipment

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20211216

Address after: No. 1, No. 222, Xindu Road, Chengjiao street, Conghua District, Guangzhou, Guangdong 510900

Patentee after: Guangdong Yikang Medical Equipment Co.,Ltd.

Address before: 518000 711, building 5, Jinzhong lanzuan community, Pingshan new area, Shenzhen, Guangdong

Patentee before: Yang Zuoshu

TR01 Transfer of patent right