Surgery – Respiratory method or device – Ozone or ion generation
Patent
1980-03-10
1981-11-17
Rosenbaum, C. Fred
Surgery
Respiratory method or device
Ozone or ion generation
A61F 544
Patent
active
043005608
ABSTRACT:
An ostomy bag having a drain valve at a lower region thereof. The valve is formed of a short flexible tube that can be bent or kinked over a support web and a stopper which can be pushed into the open end of the kinked tube.
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Edwards John V.
Steer Peter L.
Davis Stephen B.
Kingsdown Medical Consultants Ltd.
Levinson Lawrence S.
Rosenbaum C. Fred
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