EP0732116A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Laryngeal mask airways
Assignee: Smiths Group PLC
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Filing: 1996-02-20
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Granted: —
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Expires: 2016-02-20
Abstract
Abstract A laryngeal mask assembly has a mask subassembly 14 at its patient end with an inflatable ring 22 and a diaphragm 26 extending within the ring. The mask subassembly 14 is attached to a tube 1 by means of a mount 30 comprising a backing plate 34 and a tubular extension 32 fitted on the patient end of the tube. The diaphragm 26 is attached to the backing plate 34 and the plate overlaps the patient end of the sealing ring 22 extending close to the patient end of the assembly so as to inhibit rearward deflection of the patient end of the sealing ring. <IMAGE>
Inventors
- 👤 Eric Pagan
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 11:52
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0402; A61M16/0409
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
A laryngeal mask assembly including a mask subassembly (14) and an elongate tube (1) opening at its patient end into the mask subassembly, the mask subassembly (14) having an inflatable sealing ring (22) located during use in the hypopharynx and opening on its forward side to the patient's airway, characterised in that the mask subassembly (14) has a generally planar backing member (34) extending on the rear side of the mask subassembly to overlap the patient end of the sealing ring (22) such that, when the sealing ring (22) is deflated for insertion, the backing member (34) inhibits rearward deflection of the patient end of the sealing ring.
Claim 2
Dependent Claim
49 words
A laryngeal mask assembly according to Claim 1, characterised in that the mask subassembly (14) includes a mount member (30), that the backing member (34) is a part of the mount member (30), and that the mount member includes a tubular extension (32) attached with the elongate tube (1).
Claim 3
Dependent Claim
71 words
A laryngeal mask assembly according to Claim 1 or 2, characterised in that the mask subassembly (14) includes a mask portion (20), that the sealing ring (22) is a part of the mask portion, that the mask portion (20) includes a diaphragm (26) extending within the sealing ring (22) and attached to the backing member (34), and that the diaphragm (26) has an aperture (28) therethrough opening into the tube (1).
Claim 4
Dependent Claim
28 words
A laryngeal mask assembly according to any one of the preceding claims, characterised in that the backing member (34) extends close to the patient end of the assembly.
References Cited (Backward Citations)
No citation records indexed.
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