Laryngeal mask airways

Details Laryngeal mask airways Laryngeal mask airways

1996-02-23

1998-06-30

Millin, Vincent

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820023, 604 96, A61M 2900

Patent

active

057718890

ABSTRACT:
A laryngeal mask assembly has a mask subassembly at its patient end with an inflatable ring and a diaphragm extending within the ring. The mask subassembly is attached to a tube by means of a mount comprising a backing plate and a tubular extension fitted on the patient end of the tube. The diaphragm is attached to the backing plate and the plate overlaps the patient end of the sealing ring extending close to the patient end of the assembly so as to inhibit rearward deflection of the patient end of the sealing ring.

REFERENCES:
patent: 5297547 (1994-03-01), Brain
patent: 5477851 (1995-12-01), Callaghan et al.

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