Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Patent
1997-02-24
1999-10-19
Weiss, John G.
Surgery
Respiratory method or device
Means for removing substance from respiratory gas
12820617, A62B 700
Patent
active
059671424
ABSTRACT:
A valve diaphragm 14 is connected to a valve base 11 by locating the diaphragm on upstanding posts 18 which are formed integrally with the valve base, and then cutting and simultaneously deforming the posts to secure the diaphragm in position. The cutting/deforming operation involves: forming two longitudinal cuts in each post, defining a central section 21 and two outer deformable sections 22, 23; and bending the deformable sections outwards, away from the central section.
REFERENCES:
patent: 4790306 (1988-12-01), Braun et al.
patent: 4934362 (1990-06-01), Braun
patent: 5033465 (1991-07-01), Braun et al.
patent: 5052084 (1991-10-01), Braun
patent: 5578132 (1996-11-01), Vilzinann
Curran Desmond T.
Dorcheh Jazini
Anderson Charles W.
Minnesota Mining and Manufacturing Company
Weiss John G.
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