Method of making an artificial airway device

Details Method of making an artificial airway device Method of making an artificial airway device

1993-06-25

1995-02-21

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156245, 12820714, 12820715, 604 96, 604103, 264295, B29C 4516

Patent

active

053912489

ABSTRACT:
A manufacturing process to produce a laryngeal mask substantially as described in UK Patent GB2205499B consists in a mould which manufactures the inflatable annular ring formation of the device in an inverted form. This allows a more rigid core in the cavity mould or alternatively a dip-moulding process, which in turn, permits greater accuracy in control of wall thickness. An alternative form of the mould eliminates the need to assemble a further component, by incorporating the latter into the same single moulding process. And in a further alternative embodiment, the same single moulding process additionally provides an integrally formed inlet for oesophagus drainage, independent of the larynx-venting function of the mask per se.

REFERENCES:
patent: 1916527 (1933-07-01), Pastir
patent: 2804123 (1957-08-01), Kling
patent: 3417753 (1968-12-01), Mattler
patent: 4210478 (1980-07-01), Shony
patent: 4509514 (1985-04-01), Brain
patent: 4995388 (1991-02-01), Brain
patent: 5241956 (1993-09-01), Brain
patent: 5282464 (1994-02-01), Brain

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