Laryngeal mask airways and their manufacture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 9, 1999
Grant Date -
N/A
app pub date -
Oct 23, 1997
filing date -
Nov 2, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A laryngeal mask assembly has a mask portion of elliptical shape formed by a mount and an inflatable member attached to the mount. The inflatable member is formed by heat bonding together opposite walls of a flat balloon and at the same time cutting an aperture through the walls, so as to form a central web within an outer inflatable ring. The central web is attached to a concave surface on the forward surface of the mount with the aperture in the web aligned with an opening in the mount.
First Claim
Family
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Cited Art Landscape
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