CN2542276Y - laryngeal mask - Google Patents
laryngeal mask Download PDFInfo
- Publication number
- CN2542276Y CN2542276Y CN 02230370 CN02230370U CN2542276Y CN 2542276 Y CN2542276 Y CN 2542276Y CN 02230370 CN02230370 CN 02230370 CN 02230370 U CN02230370 U CN 02230370U CN 2542276 Y CN2542276 Y CN 2542276Y
- Authority
- CN
- China
- Prior art keywords
- cover body
- cover
- throat
- inflation
- air inlet
- Prior art date
- 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 - Lifetime
Links
- 239000002775 capsule Substances 0.000 claims description 10
- 239000010977 jade Substances 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- 210000003800 pharynx Anatomy 0.000 abstract description 34
- 238000000034 method Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 19
- 210000000867 larynx Anatomy 0.000 description 5
- 210000003238 esophagus Anatomy 0.000 description 4
- 206010030899 opisthotonus Diseases 0.000 description 4
- 239000003994 anesthetic gas Substances 0.000 description 3
- 210000004877 mucosa Anatomy 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 229920005439 Perspex® Polymers 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Prostheses (AREA)
Abstract
The utility model relates to a medical device discloses a laryngeal mask, its structure is including a body and one intercommunication in the body front end, can put into the cover body of laryngeal cavity, be equipped with the soft ring of aerifing of round on the outermost edge of the cover body, should aerify ring system intercommunication one and aerify observation equipment, meet the department and set up the rib in the bottom of the cover body and body, let in and prevent the meeting pharynx blocking air flue that weighs down with the guide gas, and form a guide portion extension equipment to cover the internal at the front end, make the cover body can not cause the inflection phenomenon when inserting throat, in addition, the gas tube system is buried underground in the body pipe jade-wall, become a holistic primary and secondary pipe, reduce the obstacle of laryngeal mask when the operation uses. The utility model can solve the problems of uncomfortable feeling and operation of the prior laryngeal mask, has simple and light structure and easy use method, can be easily used by people without medical experience for many times, and increases the convenience of use.
Description
Technical field
This utility model relates to medical device, relates in particular to a kind of clinical throat cover that is applied to.
Background technology
Please refer to Fig. 5, shown in Figure 6, the throat cover of commonly using comprises that an air inlet pipe (60) and a cover body (70) are installed in one of air inlet pipe (60) end.The bottom of cover body (70) is a concave surface, concave surface is provided with several openings (71), and periphery is provided with an inflation of omiting oval in shape and encircles (72), the Hou end of inflation ring (72) connects one and has the gas tube (74) that capsule (76) is pressed in inflation, and wherein inflation presses capsule (76) end to have a valve (not shown).
When using throat cover, cover body (70) integral body is inserted patient throat, make the front end of cover body (70) install in esophagus, and opening (71) is located the trachea in alignment with the patient, Hou can press the valve of capsule (76) that air is sent in the inflation ring (72) through gas tube (74) from inflation observation by syringe, make inflation ring (72) expansion, allow and do not have the gap generation between patient throat and the cover body, to allow anesthetic gases enter in patient's body smoothly from air inlet pipe (60), can not go out by dissipation in the gap, simultaneously according to inflation observation press capsule (76) the guarantor and or atrophing state, can learn the inflated condition of inflation ring (72) relatively.
Yet, the above-mentioned throat cover of commonly using, though can make anesthetic gases enter human body fully, but when gas tube (74) was squeezed into 20～30 air, its pressure of inflating will be up to 60～120 water columns, and was of a specified duration with the time one of this kind pressure compression larynx mucosa, the larynx mucosa can produce and fester, but it is, easily cause anesthetic gases to escape and enter esophagus, so not satisfactory in the use if inflate that insufficient pressure makes then that inflation ring (72) can't swollenly fully rise, produce the space between throat and the cover body (70).
In addition, as can be seen from Fig. 6, the front end of inflation ring (72) is the swollen complete Hou of rising, because material is that higher rubber of hardness and thickness are blocked up, can produce the compressing of extrusion type to an esophagus ancient piece of jade, round, flat and with a hole in its centre, the opisthotonos phenomenon appears in inflation ring (72) front end even, causes the patient to produce discomfort, or produces reflex vomiting, can't settle larynx to cover in the cavum laryngis, finish the process of anesthesia, on the other hand, cover body (70) opening (71) also may be hidden by vertical meeting pharynx of weighing down and cause the not smooth of air inlet pipe (60).
The utility model content
This utility model is because commonly use the existing defective of throat cover, and endeavour to improve, in the hope of alleviating or eliminating the above-mentioned shortcoming of commonly using throat cover, therefore, main purpose of the present utility model is: a kind of throat cover is provided, it must can not reach sealing property with hyperbar power, allows throat cover be difficult for slippage and gas leakage, more can not cause patient's sense of discomfort.
For achieving the above object, the employed technological means of this utility model is: a kind of throat cover is provided, its structure includes a body and and is communicated in the body front end, can insert the cover body in the cavum laryngis, the outer most edge of cover body is provided with the softish inflation ring of a circle, directly oppress an ancient piece of jade, round, flat and with a hole in its centre in the cavum laryngis to avoid cover body, this inflation ring system is communicated with an inflation scope, bottom and body joint at cover body are provided with rib, feed and prevent the vertical meeting pharyngemphraxis air flue that weighs down with guiding gas, and form a guide portion in front end and extend and to be assembled in the cover body, make cover body when inserting throat, can not cause the opisthotonos phenomenon, in addition, the inflation piping of charger is embedded in the body Guan Bi, becomes holistic casing, reduces the obstacle of throat cover when manipulating.
One bottom is provided with the cover body of an opening, and the cover body periphery is provided with a softish inflation ring, and the interior forward end of inflation ring forms a guide plate, is beneficial to throat cover and inserts patient throat; One by an air inlet pipe and a gas tube in conjunction with forms, with the casing that cover body is connected by opening, wherein an end of gas tube is connected with the inflation ring of cover body, the other end is isolated to connect one from air inlet pipe and is inflated observation device; At least one rib that is formed at the nearly opening part in cover body bottom is arranged, with guiding gas and prevent the bob meeting pharyngemphraxis air inlet pipe of hanging down.
The nearly opening part in cover body bottom is formed with the twice rib.
The inflation piping is embedded in air inlet pipe pipe ancient piece of jade, round, flat and with a hole in its centre inboard.
The inflation observation device is one to have the capsule bag of joint.
Inflation ring portion part system is made by the polrvinyl chloride material.
This utility model can solve sense of discomfort that throat cover produces and the operational problem commonly used really, and simultaneously it is simple in structure and light, and using method is easy, though can allow not tool repeatedly the personnel of medical experience all can use easily, increase the convenience on using.
Description of drawings
Fig. 1 is the stereo appearance figure of this utility model throat cover;
Fig. 2 is the side cutaway view of this utility model throat cover;
Fig. 3 is the bottom view of this utility model throat cover;
Fig. 4 is the sketch map of the operation embodiment of this utility model throat cover;
Fig. 5 is a stereo appearance figure of commonly using throat cover;
Fig. 6 is a sketch map of commonly using the operation embodiment of throat cover.
The specific embodiment
Please refer to Fig. 1 to Fig. 3, the throat cover of this utility model, its primary structure includes: a casing (10), is installed in the cover body (20) and an inflation observation device (30) of casing (10) one ends.
Casing (10) is made up of a perspex air inlet pipe (12) and a gas tube (14), gas tube (14) is the pipe ancient piece of jade, round, flat and with a hole in its centre inboard that is embedded in air inlet pipe (12), the one end extends to cover body (20) direction, the other end passes from cover body (20) one segment distance places in air inlet pipe (12) Guan Bi is last, has the inflation observation device (30) of air intake valve (not shown) with connection.
Cover body (20) oval in shape, its bottom is a concave surface, concave surface is provided with an opening (22) and joins with air inlet pipe (12) and be communicated with, and the periphery of cover body (20) is provided with an inflation ring (24) made from super soft material (as polrvinyl chloride (PVC)), the inside of this inflation ring (24) forms one and props up the guide plate (242) of usefulness, cause opisthotonos to avoid inflation ring (24) to touch the larynx wall, be beneficial to the insertion patient throat of throat cover.Inflation encircles the Hou end of (24) and is connected with the gas tube (14) of casing (10), can air be imported from gas tube (14) by the air intake valve of syringe connection inflation scope (30) to inflate in the ring (24).In addition, near cover body (20) bottom opening (22), be formed with twice longitudinal rib (26) at least, bootable gas enters trachea, and the meeting pharynx that allows the patient hang down weigh down in the anesthesia process can be withstood, and to keep air inlet pipe (12) unimpeded between patient airway, anaesthetizes smoothly.
It can be as shown in FIG. a capsule bag that has a joint inflation observation device (30), can squeeze into air from the joint of capsule bag by dynamic gas pressure system, use the gas charging degree of adjusting inflation ring (24), can learn the gas charging degree of inflation ring (24) relatively by the saturated or atrophing state of this capsule bag simultaneously.
The mode of operation that cooperates Fig. 4 by said structure the utlity model has following advantage as can be known:
1. the design of inflation ring (24) interior forward end guide plate (242) allows cover body (20) can not allow inflation ring (24) produce the opisthotonos phenomenon because of being subjected to pushing of an esophagus ancient piece of jade, round, flat and with a hole in its centre when stretching into throat; Inflation ring (24) selects for use super soft material to make, and can reduce the compressing to the larynx mucosa equally, avoids producing festering.
2. gas tube (14) is combined to form a casing (10) with air inlet pipe (12), can avoid to be also noted that the trouble of adjusting gas tube (74), the obstruction when reducing operation simultaneously when throat is inserted in the throat cover operation as commonly using.
3. cover body (20) bottom opening (21) is located the design of rib (26), can make things convenient for guiding gas to enter trachea, more can withstand and can swallow, and allows patient still can keep airway unobstructed under unconscious situation.
Claims (6)
1. throat cover, by air inlet pipe, gas tube, cover body, the inflation ring is formed, and it is characterized in that: a bottom is provided with the cover body of an opening, and the cover body periphery is provided with a softish inflation ring, and the inside of inflation ring forms a guide plate, is beneficial to throat cover and inserts patient throat; One by an air inlet pipe and a gas tube in conjunction with forms, with the casing that cover body is connected by opening, wherein an end of gas tube is connected with the inflation ring of cover body, the other end is isolated to connect one from air inlet pipe and is inflated observation device; At least one rib that is formed at the nearly opening part in cover body bottom is arranged, with guiding gas and prevent the meeting pharyngemphraxis air inlet pipe of hanging down and weighing down.
2. throat cover as claimed in claim 1 is characterized in that, the nearly opening part in described cover body bottom is formed with the twice rib.
3. throat cover as claimed in claim 1 is characterized in that, described inflation piping is embedded in air inlet pipe pipe ancient piece of jade, round, flat and with a hole in its centre inboard.
4. throat cover as claimed in claim 1 or 2 is characterized in that, described inflation observation device is one to have the capsule bag of joint.
5. throat cover as claimed in claim 3 is characterized in that, described inflation observation device is one to have the capsule bag of joint.
6. throat cover as claimed in claim 1 is characterized in that, described inflation ring portion part is made by the polrvinyl chloride material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02230370 CN2542276Y (en) | 2002-04-10 | 2002-04-10 | laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02230370 CN2542276Y (en) | 2002-04-10 | 2002-04-10 | laryngeal mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2542276Y true CN2542276Y (en) | 2003-04-02 |
Family
ID=33706388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02230370 Expired - Lifetime CN2542276Y (en) | 2002-04-10 | 2002-04-10 | laryngeal mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2542276Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172180B (en) * | 2006-10-31 | 2010-08-18 | 张地利 | laryngeal mask |
| CN102688548B (en) * | 2005-05-27 | 2016-01-20 | 喉罩有限公司 | Laryngeal mask airway devices |
-
2002
- 2002-04-10 CN CN 02230370 patent/CN2542276Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688548B (en) * | 2005-05-27 | 2016-01-20 | 喉罩有限公司 | Laryngeal mask airway devices |
| CN101172180B (en) * | 2006-10-31 | 2010-08-18 | 张地利 | laryngeal mask |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120410 Granted publication date: 20030402 |