CN102727978A - Laryngeal mask convenient for guiding insertion device into stomach - Google Patents
Laryngeal mask convenient for guiding insertion device into stomach Download PDFInfo
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- CN102727978A CN102727978A CN2012102560367A CN201210256036A CN102727978A CN 102727978 A CN102727978 A CN 102727978A CN 2012102560367 A CN2012102560367 A CN 2012102560367A CN 201210256036 A CN201210256036 A CN 201210256036A CN 102727978 A CN102727978 A CN 102727978A
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- laryngeal mask
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- gathering sill
- insertion device
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Abstract
The invention discloses a laryngeal mask convenient for guiding an insertion device into the stomach. The laryngeal mask comprises an air guide main tube with an air guide channel, a connection main body arranged at one end of the air guide main tube, an elastic sleeve bag fixed on the periphery of the connection main body and used for closing the laryngeal, and an air inflation/deflation device communicated with an inner cavity of the elastic sleeve bag, wherein the top surface of the connection main body is provided with an air outlet communicated with the air guide channel; the outer wall of the air guide main tube is provided with a first guide slot arranged along the length direction of the air guide main tube; a second guide slot is formed between the bottom surface of the connection main body and the elastic sleeve bag; and the first guide slot and the second guide slot are connected to form a channel for guiding the insertion device. Compared with the prior art, the laryngeal mask convenient for guiding an insertion device into the stomach, disclosed by the invention, has a simple overall structure; due to the first guide slot and the second guide slot, the insertion of a stomach tube or other devices is facilitated, and the abrasion of the mask bag caused by the stomach tube or other devices is reduced; and meanwhile, the size of the mask bag is not influenced by the size of the stomach tube or other devices, thus the practicability is high.
Description
Technical field
The present invention relates to a kind of laryngeal mask, specifically relate to a kind of laryngeal mask of being convenient to guiding insertion device in stomach.
Background technology
Laryngeal mask is a kind of novel medical breather, need promptly carry out the patient that artificial ventilation is supported when being applicable to anesthesia or medicine abirritative patient and first aid and recovery, to guarantee that upper respiratory tract is unobstructed.Compare with traditional endotracheal intubation; Laryngeal mask has very outstanding advantage; For example utilize laryngeal mask, can significantly reduce the generation that causes choking of patient to cough or cough because of stimulation, reduction is had sore throat and is alleviated the postoperative nausea symptom; And insert easy to learnly, be considered to recent two decades and come most important invention among the artificial airway.
Laryngeal mask is at the use initial stage; Be mainly used in artificial ventilation; For example application number is that the patent documentation of CN201020561934.X discloses a kind of laryngeal mask; Comprise cover capsule, gas tube, be arranged at the indication sacculus on the gas tube and be arranged at the charge valve in the gas tube free end port, gas tube is communicated with the cover capsule, and the cover capsule is communicated with a breather.The advantage of above-mentioned laryngeal mask is to be easy to positioning action.In recent years, on the basis of original structure, develop a kind of dual pathways laryngeal mask again, satisfying on the basis of artificial ventilation, increased stomach tube grafting passage.For example; Application number is that the patent documentation of CN200620025407.0 discloses a kind of dual pathways plastics laryngeal mask; Comprise that the airway that is embedded with shape reinforcing line in the shape of a spiral in the tube wall and one of far-end are ovate inflatable cover and constitute; Inflatable cover is communicated with airway, said inflatable cover by air bag seat, be the hollow cylindrical air bag and connected knapsack constitutes, also be designed with a food meatus parallel in the inflatable cover with airway; This food meatus one end passes knapsack and forms food meatus on the air bag top and exports; Airway and food meatus middle part are designed with dismantled and assembled bite-block, and can fix through dismantled and assembled bite-block, and the air bag outward flange is communicated with inflation tubule, inflation indication capsule and check valve.The advantage of this laryngeal mask is: on function, increased the esophagus passage; Therefore except that the foundation that guarantees the artificial airway; Can also solve clinically in discharging the needs of gastric juice and extra-nutrition, and this laryngeal mask can safety quickly insert patient's laryngopharynx, and the stimulation to patient when inserting is little; Both can be used for the routine operation patient, and can be used as urgent air flue blood processor again and be used for the patient that tracheal intubation meets with difficulty or cardio-pulmonary resuscitation first aid.Disclose a kind of laryngeal mask cannula device at patent documentation CN200480002616.7 in addition, this laryngeal mask cannula device is more having superiority aspect the insertion of auxiliary port conduit.After laryngeal mask cannula device inserted patient, this device had played guide effect for the airway tube of inserting subsequently.The laryngeal mask cannula device that uses by this way is helpful for " blind the inserting " that be called as airway tube.Only removing patient head, neck and jaw just can insert laryngeal mask cannula device a little, in case and after this device insertion patient, in fact need not carry out other moving to patient, airway tube just can be inserted into.This needs that head, neck and the jaw of removing patient have formed contrast significantly when when inserting airway tube, not utilizing laryngeal mask cannula device auxiliary.In addition, these devices allow to carry out from the optional position of user one hand insertion, and need be from the head and the neck of position intermediate removing patient, and in the mouth that need finger be inserted into patient, also can place in position.What should believe at last is that they are unique as suitable airway device, can in the intubate operating process, continue to realize ventilation control and patient's oxygen supply, have reduced anoxybiotic probability thus.
Yet, owing to use the stomach tube (or claiming food meatus) in the laryngeal mask all need pass the cover capsule at present, on the cover capsule corresponding passage need be set, this structure causes existing laryngeal mask itself to have following defective:
(1) structure of existing laryngeal mask is comparatively complicated, and volume is bigger, and the whole material of cover capsule is stiff, has increased the difficulty that laryngeal mask inserts.In addition, laryngeal mask volume and hardness are excessive can cause the pharyngeal structure wound of patient when inserting.
(2) gastric tube passageway is limited each other with the size of cover capsule in the existing laryngeal mask, is difficult to satisfy the needs of different crowd.
(3) for reusable laryngeal mask, because stomach tube uses repeatedly, can produce wearing and tearing to the cover capsule, because the thinner thickness of cover capsule own usually can be galled by stomach tube, cause laryngeal mask integral body to be scrapped.
(4) in addition, stomach tube is arranged on the positioning difficulty that cover has also increased laryngeal mask in the capsule, usually needs repeatable operation, and the patient caused the secondary injury.
(5) present two-tube laryngeal mask is difficult to the satisfied needs that stomach tube inserts airway tube again that promptly insert.
Summary of the invention
The invention provides a kind of laryngeal mask of being convenient to guiding insertion device in stomach; This laryngeal mask structure is simplified greatly; Employing is arranged on stomach tube the outside of cover capsule; Avoid mutual interference and wearing and tearing between stomach tube and the cover capsule, reduced the laryngeal mask positioning difficulty simultaneously, made things convenient for inserting of parts such as stomach tube or other devices.
A kind of laryngeal mask of being convenient to guiding insertion device in stomach; Comprise the air-guide main tube, the connection main body that is arranged on air-guide main tube's one end that have air guide channel, be fixed on and connect the main body periphery and be used to seal the resilient sleeve capsule of throat and the aerating and exhaust device that is communicated with resilient sleeve capsule inner chamber; Described connection main body end face is provided with the gas outlet that is communicated with said air guide channel; Said air-guide main tube's outer wall is provided with first gathering sill of arranging along air-guide main tube's length direction; Form second gathering sill between the bottom surface of said connection main body and the resilient sleeve capsule, said first gathering sill is connected the passage that becomes to be used to guide the insertion device with second gathering sill.
The setting of first gathering sill and second gathering sill; Made things convenient for stomach tube or or the insertion of other devices; The size of stomach tube or other device models is no longer covered the restriction of capsule size simultaneously; Save in the cover capsule corresponding passage is set, make the structure of cover capsule further simplify, reduced stomach tube or other devices wearing and tearing and insertion difficulty simultaneously the cover capsule.The cover capsule can be selected the inflatable cover capsule, also can select to exempt from the inflatable cover capsule.When selecting the inflatable cover capsule for use, described aerating and exhaust device comprises gas tube that is communicated with cover capsule inflation inner chamber and indication capsule and the check valve that is arranged on the gas tube other end.
The position of laryngeal mask is moved in order to avoid in use, and a kind of optimized technical scheme is: the strip protuberance is formed in the both sides that connect the main body bottom surface on the bottom of said resilient sleeve capsule, is described second gathering sill between the two strips protuberance.In the use, the end face of resilient sleeve capsule and air flue aditus laryngis are close to, and prevent that the material that stomach is discharged from getting into air flue; The two strips protuberance of the bottom surface of resilient sleeve capsule is against on the pharynx rear wall.The setting of strip protuberance makes the sealing of end face of resilient sleeve capsule further strengthen on the one hand; On the other hand, because the strip protuberance is two, in use, two strips protuberance will be swallowed the rear wall chucking, prevent laryngeal mask sidesway in use.
For ease of the processing of first gathering sill, a kind of optimized technical scheme is: described air-guide main tube's outer wall is provided with the guiding wing plate of arranging along air-guide main tube's length direction, and said first gathering sill is positioned at the end face of this guiding wing plate.
The setting of guiding wing plate makes the size of the gathering sill setting of winning not receive the big or small restriction of air-guide main tube; Simultaneously also avoided first gathering sill in the course of processing, to the influence of air-guide main tube's tract.Be generally between guiding wing plate and the air-guide main tube and be wholely set one-step molding manufacturing.
For ease of the insertion of stomach tube or other devices, described first gathering sill is an arcuate groove.The size that arcuate groove is provided with need confirm that the width of arcuate groove prevents that generally greater than the maximum gauge of stomach tube or other devices stomach tube or other devices and first gathering sill are stuck each other according to the stomach tube of reality use or the size of other devices.The width of described first gathering sill is 9～10mm.
For realizing that medical personnel insert stomach tube or other devices in different angles, realize detecting more accurately and treating, a kind of preferred scheme is: described first gathering sill is two, is symmetricly set on air-guide main tube's both sides.In addition, when the cover capsule was selected the inflatable cover capsule for use, first gathering sill was provided with two, has also made things convenient for the layout of gas tube, made that the overall structure of laryngeal mask is compact more.Simultaneously; When needs use stomach tube simultaneously with other devices; Can adopt stomach tube and other devices are arranged in the first different gathering sills, avoided stomach tube and other devices between the two interference and influence each other, improved the medical performance of laryngeal mask of the present invention.
For guaranteeing the smooth insertion of stomach tube or other devices, described second gathering sill is for connecting the cell body of cover capsule bottom surface, and at this moment, described second gathering sill has the inlet that is positioned at cover capsule and air-guide main tube's connecting portion, and the outlet that is positioned at cover capsule front end.
For guaranteeing stomach tube or level and smooth entering second gathering sill of other devices, as further optimal technical scheme, the inlet portion bit strip of described second gathering sill is useful on the flared section of accepting first gathering sill.In stomach tube or other device insertion process, flared section plays the effect of guiding, and guiding stomach tube or other devices get in patient's the esophagus along second gathering sill, and then gets into patient's stomach.The width that flared section is provided with need be confirmed according to the width of distance between two first gathering sills and first gathering sill self.
For further strengthening of the guide effect of second gathering sill to stomach tube or other devices; Guarantee that stomach tube or other devices are inserted into patient's stomach fast; Reduction is to patient's injury, further preferably be: the width of described second gathering sill is narrowed by inlet to outlet gradually.The width of second gathering sill outlet generally is not less than the Breadth Maximum of stomach tube or other devices.
For further improving the practicality of laryngeal mask of the present invention, the internal diameter of described air-guide main tube and gas outlet is 19～20mm.Employing changes laryngeal mask, and can insert internal diameter is 9.0mm stomach tube or other devices, has overcome the too small shortcoming of internal diameter of other laryngeal mask gas passage.The vent stack of preformed shape is except having ventilatory function, and it inserts and guide stomach tube or other device operation fashion to have guiding and fixation at laryngeal mask.It is simple to operate when inserting at the guiding laryngeal mask, and easily, the successful intubation advantages of higher, keeping to observe with difficult tracheal intubation and fibre optics for the air flue of overcoming a difficulty provides new selection.
When cover capsule of the present invention is selected the inflatable cover capsule for use, multiple material be can adopt, silica gel or PVC material etc. for example can be adopted; As a kind of optimized technical scheme; Described resilient sleeve capsule is selected EVA elastic properties of materials cover capsule for use, selects the EVA material, has further improved the pliability of resilient sleeve capsule; Improve the applying degree of resilient sleeve capsule and throat, avoid the solid-liquid foreign material to get in the trachea.In addition, compare with traditional elastic, the price of EVA material own is lower, and chemical stability is better, and biodegradable, can not pollute environment after discarding.
As further optimized technical scheme, the weight percent content of the vinyl acetate described in the described EVA material is 25-35%, and this moment, the elasticity and the pliability of EVA material were higher, and be higher with the applying degree of throat.
The laryngeal mask of being convenient to guiding insertion device in stomach of the present invention; Compared with prior art, overall structure is simple, the setting of first gathering sill and second gathering sill; Made things convenient for stomach tube with or the insertion of other devices; Reduced the wearing and tearing of stomach tube or other devices to the cover capsule, the restriction that the size of while stomach tube or other devices is not covered this body structure of capsule, practicality is high.
Description of drawings
Fig. 1 is the Facad structure sketch map of being convenient to the laryngeal mask of guiding insertion device in stomach of the present invention.
Fig. 2 is the structure sketch map of being convenient to the laryngeal mask of guiding insertion device in stomach of the present invention.
Fig. 3 is the A-A cutaway view of the said laryngeal mask of Fig. 2.
The specific embodiment
Embodiment 1
Like Fig. 1, Fig. 2 and shown in Figure 3; A kind of laryngeal mask of being convenient to guiding insertion device in stomach; Comprise the air-guide main tube 3 that is wholely set and be connected main body 14, be arranged on and connect main body 14 peripheries and be used to seal the resilient sleeve capsule 15 of throat and the aerating and exhaust device that is communicated with resilient sleeve capsule 15 inner chambers; During inflation, periphery 10 and throat's inwall of resilient sleeve capsule 15 are close to, and prevent that the impurity of the anti-stream of stomach from getting in patient's trachea.
Be provided with air guide channel in the air-guide main tube 3, internal diameter is 19～20mm, and concrete size can be confirmed according to actual needs.Air-guide main tube 3 outer wall both sides are arranged with 6, two guiding of guiding wing plate wing plate 6 of arranging along air-guide main tube's 3 length directions respectively and are arranged in parallel.The section that each guiding wing plate 6 end face is respectively equipped with one first gathering sill 4, the first gathering sills 4 is an arcuate groove, and the groove width of first gathering sill 4 is 9～10mm.The guiding wing plate 6 be connected main body 14 for being wholely set one-step molding manufacturing.
Connecting main body 14 is subtriangular plastic body; Be wholely set with air-guide main tube 3, one-step molding manufacturing connects main body 14 end faces middle part and is provided with the gas outlet 2 that is communicated with air guide channel; The internal diameter of gas outlet 2 is 19～20mm, and actual size can be confirmed according to actual needs.Resilient sleeve capsule 15 is an oval, is processed by the EVA material.The weight percent content of vinyl acetate is about 25～35% in the EVA material.Resilient sleeve capsule 15 be connected that can to adopt special glue to carry out between the main body 14 bonding, special glue can be selected existing product for use, is prior art.
Aerating and exhaust device is by the gas tube 11 that is communicated with resilient sleeve capsule 15 inner chambers, forms with pilot balloon 12 and check valve 13 that the free end of gas tube 11 is connected successively, and the same prior art of the structure of pilot balloon 12 is used to indicate and covers the interior inflated condition of capsule 12.Resilient sleeve capsule 15 is connected through inlet side 18 with gas tube 11.
It is second gathering sill 5 that the bottom of resilient sleeve capsule 15 forms between strip protuberance 20, the two strips protuberance 20 in the both sides that connect main body 14 bottom surfaces.Under the inflated condition, the end face 21 and the air flue aditus laryngis of resilient sleeve capsule 15 are close to, and prevent that the material that stomach is discharged from getting into air flue; The two strips protuberance 20 of the bottom surface of resilient sleeve capsule 15 is against on the pharynx rear wall.Second gathering sill 5 has the inlet 7 that is positioned at connection main body 14 and air-guide main tube's 3 connecting portions, and is positioned at the outlet 17 that connects main body 14 front ends.The inlet portion bit strip of second gathering sill 5 is useful on the flared section of accepting first gathering sill 4.The width of second gathering sill 5 is narrowed by inlet 7 to outlet 17 gradually.First gathering sill 4 is connected the passage that becomes to be used to guide the insertion device with second gathering sill 5.
In this embodiment; Air-guide main tube 3, connection main body 14, guiding wing plate 6 are and are wholely set, and add the one-shot forming in man-hour, can adopt certain rigidity and flexible EVA material; The weight percent content of vinyl acetate is about 9～25% in the EVA material; Adopt the EVA material of this composition, the air-guide main tube be connected main body and have well mouldingly, and insert conveniently.Gas tube 11 can adopt silica gel material or PVC material etc.
The actual use of laryngeal mask of being convenient to guiding insertion device in stomach of this embodiment is:
The laryngeal mask that utilizes existing method will have gas tube 11 is presented to patient's bottleneck throat; Utilize 11 pairs of resilient sleeve capsules 15 of gas tube to inflate again; Make the periphery 10 of resilient sleeve capsule 15 cover the aditus laryngis position fully, the gas outlet 2 that connects main body 14 faces patient's aditus laryngis.Simultaneously resilient sleeve capsule 15 inflation back parts have certain altitude, make cyst wall be close to be combined in throat around, the outlet 17 that connects main body 14 front ends is attached to the esophageal orifice upper wall.Form the path of inserting stomach tube with esophagus.
Then the typing interface 19 of inserting in the air-guide main tube 3 is linked to each other with breathing apparatus.
As required stomach tube 16 is inserted in the esophagus along first gathering sill 4 and second gathering sill 5 at last, until the stomach of inserting the patient.
According to on-site actual situations, when the airway tube of using the band capsule instead forms artificial airway's path, utilize the air guide channel of laryngeal mask just can realize airway tube " blind inserting " function.
Embodiment 2
Basic identical with structure among the embodiment 1, difference is that guiding wing plate 6 is one, is arranged on a side of air-guide main tube 3, and width is about 9～10mm.And guiding wing plate 6 extends to the below that connects main body 14 bottom surfaces near an end that connects main body 14, further strengthens the guide effect to stomach tube.The laryngeal mask use of this embodiment is with embodiment 1.
Claims (10)
1. be convenient in stomach, guide the laryngeal mask that inserts device for one kind; Comprise the air-guide main tube (3), the connection main body (14) that is arranged on air-guide main tube's (3) one ends that have air guide channel, be fixed on and connect main body (14) periphery and be used to seal the resilient sleeve capsule (15) of throat and the aerating and exhaust device that is communicated with resilient sleeve capsule (15) inner chamber; Described connection main body (14) end face is provided with the gas outlet (2) that is communicated with said air guide channel; It is characterized in that; Said air-guide main tube's (3) outer wall is provided with first gathering sill of arranging along air-guide main tube (3) length direction (4); Form second gathering sill (5) between the bottom surface of said connection main body (14) and the resilient sleeve capsule (15), said first gathering sill (4) is connected the passage that becomes to be used to guide the insertion device with second gathering sill (5).
2. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 1; It is characterized in that; The bottom of said resilient sleeve capsule (15) forms strip protuberance (20) in the both sides that connect main body (14) bottom surface, is described second gathering sill (5) between the two strips protuberance.
3. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 1 and 2; It is characterized in that; Described air-guide main tube's (3) outer wall is provided with the guiding wing plate of arranging along air-guide main tube's length direction (6), and said first gathering sill (4) is positioned at the end face of this guiding wing plate.
4. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 1 and 2 is characterized in that described first gathering sill (4) is an arcuate groove.
5. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 1 and 2 is characterized in that described first gathering sill (4) is two, is symmetricly set on the both sides of air-guide main tube (3).
6. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 5; It is characterized in that; Described second gathering sill (5) has the inlet (7) that is positioned at connection main body (14) and air-guide main tube (3) connecting portion, and is positioned at the outlet (17) that connects main body (14) front end.
7. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 6 is characterized in that the inlet portion bit strip of described second gathering sill (5) is useful on the flared section of accepting first gathering sill (4).
8. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 7 is characterized in that the width of described second gathering sill (5) is narrowed by inlet (7) to outlet (17) gradually.
9. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 1 and 2 is characterized in that the internal diameter of described air-guide main tube (3) and gas outlet (2) is 19～20mm.
10. the laryngeal mask of being convenient to guiding insertion device in stomach according to claim 1 and 2 is characterized in that described inflatable cuff (15) is an EVA material inflatable cuff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256036.7A CN102727978B (en) | 2012-07-23 | 2012-07-23 | Laryngeal mask convenient for guiding insertion device into stomach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256036.7A CN102727978B (en) | 2012-07-23 | 2012-07-23 | Laryngeal mask convenient for guiding insertion device into stomach |
Publications (2)
| Publication Number | Publication Date |
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| CN102727978A true CN102727978A (en) | 2012-10-17 |
| CN102727978B CN102727978B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210256036.7A Active CN102727978B (en) | 2012-07-23 | 2012-07-23 | Laryngeal mask convenient for guiding insertion device into stomach |
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| CN (1) | CN102727978B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014071833A1 (en) * | 2012-11-08 | 2014-05-15 | 天津美迪斯医疗用品有限公司 | Dual-tube laryngeal mask provided with finger sleeve-type auxiliary plug-in unit |
| CN106581832A (en) * | 2016-12-22 | 2017-04-26 | 天津麦迪安医疗器械有限公司 | Separate edge cup type air duct capable of sealing tissue around throat |
| CN110292690A (en) * | 2019-02-02 | 2019-10-01 | 长沙迈吉尔医疗科技有限公司 | Connector, laryngeal mask main body and the laryngeal mask of laryngeal mask |
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| JP3159537U (en) * | 2010-02-08 | 2010-05-27 | 財團法人塑膠工業技術發展中心 | Intubation aid |
| CN101842129A (en) * | 2007-08-30 | 2010-09-22 | K·巴斯卡 | Laryngeal mask |
| CN201823135U (en) * | 2009-12-21 | 2011-05-11 | 陶德强 | Double chamber three channel throat cover |
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| US4995388A (en) * | 1989-03-22 | 1991-02-26 | Brain Archibald I | Artificial airway device |
| CN101057994A (en) * | 2006-06-26 | 2007-10-24 | 浅原智彦 | Laryngeal mask with guiding tube used for inserting stomach tube |
| CN101842129A (en) * | 2007-08-30 | 2010-09-22 | K·巴斯卡 | Laryngeal mask |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014071833A1 (en) * | 2012-11-08 | 2014-05-15 | 天津美迪斯医疗用品有限公司 | Dual-tube laryngeal mask provided with finger sleeve-type auxiliary plug-in unit |
| CN106581832A (en) * | 2016-12-22 | 2017-04-26 | 天津麦迪安医疗器械有限公司 | Separate edge cup type air duct capable of sealing tissue around throat |
| CN106581832B (en) * | 2016-12-22 | 2024-01-26 | 天津麦迪安医疗器械有限公司 | Open-edge type air passage for cup-type airtight tissues around laryngeal opening |
| CN110292690A (en) * | 2019-02-02 | 2019-10-01 | 长沙迈吉尔医疗科技有限公司 | Connector, laryngeal mask main body and the laryngeal mask of laryngeal mask |
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| Publication number | Publication date |
|---|---|
| CN102727978B (en) | 2015-03-25 |
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