CN102335478A - Transnasal laryngeal mask - Google Patents
Transnasal laryngeal mask Download PDFInfo
- Publication number
- CN102335478A CN102335478A CN2010102305716A CN201010230571A CN102335478A CN 102335478 A CN102335478 A CN 102335478A CN 2010102305716 A CN2010102305716 A CN 2010102305716A CN 201010230571 A CN201010230571 A CN 201010230571A CN 102335478 A CN102335478 A CN 102335478A
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- airway
- capsule
- laryngeal mask
- cover capsule
- cuff
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Abstract
The invention discloses a transnasal laryngeal mask which comprises a cuff, a ventilation catheter, an inflation pipe and an indication saccule, wherein the opening at the front end of the ventilating catheter is of an incline, the cuff is fixed around the front end of the ventilating catheter, the cuff is shaped as a flat spheroid under the inflation state, a diaphragm is arranged in the cuff and is provided with a small hole, one end of the inflation pipe is communicated with the cuff, and the indication saccule is connected to the inflation pipe. The cuff and the ventilation catheter form a ventilation device, the ventilation device is implanted through the inferior nasal meatus of a patient without being implanted into the oral cavity of the patient, thus the problem of difficulties of managing the oral cavity and fixing the position in the prior art is solved, the problem of poor tolerance of the common laryngeal mask under light anaesthesia is solved, and the safety of using the laryngeal mask is improved. The invention can help a patient suffering from epistaxis carry out nasal cavity hemostasis by compression, and solves the problems of nasal cavity hemostasis and incapability of ensuring smooth nasal cavity.
Description
Technical field:
The present invention relates to the mankind life article, relate in particular to medical apparatus and instruments, particularly operation on respiratory tract auxiliary device, concrete is a kind of per nasal laryngeal mask.
Background technology:
Laryngeal mask is a kind of breather, and its catheter proximal end is connected the prolate spill cover capsule of silicone rubber system.Suitably after the calmness it is inserted from the sufferer oral cavity, arrive larynx, the lower end entering esophagus of cover is suitable for reading, and the bottom of the epiglottis outside of belly is close in the upper end of cover, and blow vent is to glottis in the cover.Form sealing ring in larynx portion behind the sleeve bag gas-filling, thereby guarantee ventilatory effect.In the prior art, laryngeal mask is thicker because of its front end sleeve capsule material, hardness ratio is bigger, even pump gas in the cover capsule fully, itself volume is bigger, so can not pass through nasal cavity; The laryngeal mask model is selected incorrect or misoperation, inserts to make epiglottis be pushed to glottis in the process, causes that respiratory tract partially or completely blocks; Insert whole oral cavity, back and almost completely occupied, be difficult to carry out operation in the oral cavity, the oral cavity difficult management by laryngeal mask; Laryngeal mask cover capsule can not finely coincide with the potential dissection lacuna in normal throat in design, leaks air when causing positive airway pressure, and the displacement of venting process laryngeal mask, influence ventilatory effect and anesthesia safety; Finish under the light anaesthesia in operation, patient tolerability difference and bring out laryngospasm easily has that to weigh down obstructing airway behind the root of the tongue dangerous and pull out laryngeal mask too early.
Summary of the invention:
The object of the present invention is to provide a kind of per nasal laryngeal mask, described this per nasal laryngeal mask to solve in the prior art laryngeal mask oral cavity difficult management, ventilatory effect when the oral cavity is inserted poor, bring out laryngismal technical problem easily.
This per nasal laryngeal mask of the present invention is made up of cover capsule, airway, gas tube and indication sacculus, and wherein, the front opening of described airway is the inclined-plane; Described cover capsule is fixed on around the front end of airway, and the cover capsule is the spheroid of flat under inflated condition, is provided with barrier film in the cover capsule; Described barrier film is provided with aperture; One end of described gas tube is communicated with the cover capsule, and the other end of gas tube is provided with inflation inlet, and described indication sacculus is connected on the gas tube.
Further, described cover capsule is made up of silicon rubber film.
Further, the diameter of described airway is 7.5mm, and inflated condition is trapped, and distance is 20mm between major axis end face and the airway wall of capsule, and distance be 10mm between cover capsule minor axis end face and the airway, and the length of overlapping capsule is 55mm.
Perhaps, the diameter of airway is 7.0mm, during inflation between major axis end face and the airway wall of cover capsule distance be 16mm, apart from being 8mm, the length of overlapping capsule is 50mm between cover capsule minor axis end face and the airway.
Perhaps, the diameter of airway is 6.5mm, during inflation between major axis end face and the airway wall of cover capsule distance be 16mm, apart from being 6mm, the length of overlapping capsule is 45mm between cover capsule minor axis end face and the airway.
Operation principle of the present invention is: pump gas in the cover capsule, make the cover capsule fit in airway fully, airway is outer with the liquid paraffin sufficient lubrication; Inferior nasal meatus through sufferer is slowly inserted; Catheter proximal end is inserted into larynx promptly ends, and then to the inflation inlet gas injection, plumpness and auscultation positive airway pressure through the indication sacculus do not have gas leakage down and judge whether inflation is enough; Under the situation that is difficult to confirm for the position, also can confirm whether catheter proximal end arrives position accurately by laryngopharyngeal mirror.Coincide with the potential anatomic space shape of bottleneck throat behind the sleeve bag gas-filling, leak gas when having reduced positive airway pressure, reduced the possibility of laryngeal mask displacement in the art.Cover capsule inner septum is in cover capsule inner tractive and supporting role, and the aperture on the barrier film is convenient to gas equiblibrium mass distribution in the cover capsule.
The present invention and prior art are compared, and its effect is actively with tangible.The present invention utilizes cover capsule and airway to constitute breather; Insert through the sufferer inferior nasal meatus; Need not to insert the sufferer oral cavity; Solve the problem that the oral cavity management is difficult and fixed-site is difficult in the prior art, solved the problem of common laryngeal mask toleration difference under the light anaesthesia simultaneously, improved the safety that laryngeal mask uses.The present invention also can help the epistaxis patient to carry out the nasal cavity hemostasis by compression, has solved the nasal cavity hemostasis and can not guarantee the difficulty that nasal cavity is unobstructed simultaneously.
Description of drawings:
Fig. 1 is the front schematic view of per nasal laryngeal mask of the present invention behind sleeve bag gas-filling.
Fig. 2 is the A portion zoomed-in view among Fig. 1.
Fig. 3 is the side schematic view of per nasal laryngeal mask of the present invention behind sleeve bag gas-filling.
Fig. 4 is the B portion zoomed-in view among Fig. 3.
Fig. 5 is the front schematic view of per nasal laryngeal mask of the present invention after the venting of cover capsule.
Fig. 6 is the sketch map of the embodiment of per nasal laryngeal mask of the present invention.
The specific embodiment:
Embodiment 1:
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, a kind of per nasal laryngeal mask of the present invention is made up of cover capsule 1, airway 2, gas tube 3 and indication sacculus 4; Wherein, Airway 2 front ends are provided with inclined-plane opening 21 obliquely, and cover capsule 1 is fixed in airway 2 front ends, and cover capsule 1 is made up of silicon rubber film; Cover capsule 1 during inflation is the ellipsoid of flat; Cover capsule 1 is arranged at airway 2 front ends obliquely, is provided with the barrier film (not shown) in the cover capsule, and barrier film is provided with the aperture (not shown).Barrier film is in cover capsule inner tractive and supporting role, and the pore on the barrier film then is to make things convenient for gas in cover capsule 1, to distribute.When through gas injection port in cover capsule 1 during gas injection, reach the size and the shape of particular design through the expansion and the interaction of overlapping capsule 1 inner septum tractive of cover capsule 1 self.One end of gas tube 3 is communicated with cover capsule 1, and the other end of gas tube 3 is provided with inflation inlet, and indication sacculus 4 is connected on the gas tube 3.
Further; As shown in Figure 2; The diameter of airway 2 is 7.5mm, during inflation between major axis end face and airway 2 walls of cover capsule 1 distance (overlapping capsule 1 flank) be 20mm, cover capsule 1 minor axis end face with airway 2 between apart from being 10mm, the length of overlapping capsule 1 is 55mm.
Perhaps, the diameter of airway 2 is 7.0mm, during inflation between major axis end face and airway 2 walls of cover capsule 1 distance be 16mm, cover capsule 1 minor axis end face with airway 2 between apart from being 8mm, the length of overlapping capsule 1 is 50mm.
Perhaps, the diameter of airway 2 is 6.5mm, during inflation between major axis end face and airway 2 walls of cover capsule 1 distance be 16mm, cover capsule 1 minor axis end face with airway 2 between apart from being 6mm, the length of overlapping capsule 1 is 45mm.
The work process of present embodiment is: after suitable nasal cavity is ready to complete before the use, pumps cover capsule 1 interior gas and make cover capsule 1 fit in airway 2 fully, airway 2 is outer with the liquid paraffin sufficient lubrication; Slowly insert through inferior nasal meatus; Airway 2 front ends are inserted into larynx promptly to be ended, and then to the gas injection port gas injection, plumpness and auscultation positive airway pressure through indication sacculus 4 do not have gas leakage down and judge whether inflation is enough; Under the situation that is difficult to confirm for the position; Also can confirm whether airway 2 front ends arrive position accurately by laryngopharyngeal mirror, action wants soft in the whole operation process, avoids violence and destroys cover capsule 1 or cause local tissue damage.
Claims (5)
1. a per nasal laryngeal mask is made up of cover capsule, airway, gas tube and indication sacculus, and it is characterized in that: the front opening of described airway is the inclined-plane; Described cover capsule is fixed on around the front end of airway, and the cover capsule is the spheroid of flat under inflated condition, is provided with barrier film in the cover capsule; Described barrier film is provided with aperture; One end of described gas tube is communicated with the cover capsule, and the other end of gas tube is provided with inflation inlet, and described indication sacculus is connected on the gas tube.
2. a kind of per nasal laryngeal mask as claimed in claim 1 is characterized in that: described cover capsule is made up of silicon rubber film.
3. a kind of per nasal laryngeal mask as claimed in claim 1; It is characterized in that: the diameter of described airway is 7.5mm; Inflated condition is trapped, and distance is 20mm between major axis end face and the airway wall of capsule, and distance be 10mm between cover capsule minor axis end face and the airway, and the length of overlapping capsule is 55mm.
4. a kind of per nasal laryngeal mask as claimed in claim 1; It is characterized in that: the diameter of airway is 7.0mm; During inflation between major axis end face and the airway wall of cover capsule distance be 16mm, apart from being 8mm, the length of overlapping capsule is 50mm between cover capsule minor axis end face and the airway.
5. a kind of per nasal laryngeal mask as claimed in claim 1; It is characterized in that: the diameter of airway is 6.5mm; During inflation between major axis end face and the airway wall of cover capsule distance be 16mm, apart from being 6mm, the length of overlapping capsule is 45mm between cover capsule minor axis end face and the airway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102305716A CN102335478A (en) | 2010-07-19 | 2010-07-19 | Transnasal laryngeal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102305716A CN102335478A (en) | 2010-07-19 | 2010-07-19 | Transnasal laryngeal mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102335478A true CN102335478A (en) | 2012-02-01 |
Family
ID=45511575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102305716A Pending CN102335478A (en) | 2010-07-19 | 2010-07-19 | Transnasal laryngeal mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102335478A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI572311B (en) * | 2012-11-29 | 2017-03-01 | 喉罩股份有限公司 | Endoscopy device |
| US9974912B2 (en) | 2010-10-01 | 2018-05-22 | Teleflex Life Sciences Unlimited Company | Artificial airway device |
| US10576229B2 (en) | 2009-03-03 | 2020-03-03 | The Laryngeal Mask Company Limited | Artificial airway device |
| US10806327B2 (en) | 2011-11-30 | 2020-10-20 | Teleflex Life Sciences Pte, Ltd. | Laryngeal mask for use with an endoscope |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295489A (en) * | 1991-12-20 | 1994-03-22 | Medi-Tube Corporation | Endotracheal tube/stethoscope/thermistor combination |
| US5791341A (en) * | 1995-12-19 | 1998-08-11 | Bullard; James Roger | Oropharyngeal stent with laryngeal aditus shield and nasal airway with laryngeal aditus shield |
| US5937861A (en) * | 1995-06-07 | 1999-08-17 | Augustine Medical, Inc. | Tracheal tube with self-supporting tracheal tube cuff |
| CN1956746A (en) * | 2004-03-09 | 2007-05-02 | 内尔科尔普里坦贝内特公司 | Laryngeal airway device |
| CN201719660U (en) * | 2010-07-19 | 2011-01-26 | 同济大学附属同济医院 | Transnasal vent laryngeal mask |
-
2010
- 2010-07-19 CN CN2010102305716A patent/CN102335478A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295489A (en) * | 1991-12-20 | 1994-03-22 | Medi-Tube Corporation | Endotracheal tube/stethoscope/thermistor combination |
| US5937861A (en) * | 1995-06-07 | 1999-08-17 | Augustine Medical, Inc. | Tracheal tube with self-supporting tracheal tube cuff |
| US5791341A (en) * | 1995-12-19 | 1998-08-11 | Bullard; James Roger | Oropharyngeal stent with laryngeal aditus shield and nasal airway with laryngeal aditus shield |
| CN1956746A (en) * | 2004-03-09 | 2007-05-02 | 内尔科尔普里坦贝内特公司 | Laryngeal airway device |
| CN201719660U (en) * | 2010-07-19 | 2011-01-26 | 同济大学附属同济医院 | Transnasal vent laryngeal mask |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10576229B2 (en) | 2009-03-03 | 2020-03-03 | The Laryngeal Mask Company Limited | Artificial airway device |
| US9974912B2 (en) | 2010-10-01 | 2018-05-22 | Teleflex Life Sciences Unlimited Company | Artificial airway device |
| US10806327B2 (en) | 2011-11-30 | 2020-10-20 | Teleflex Life Sciences Pte, Ltd. | Laryngeal mask for use with an endoscope |
| TWI572311B (en) * | 2012-11-29 | 2017-03-01 | 喉罩股份有限公司 | Endoscopy device |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120201 |