Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1987-06-08
1989-04-04
Coven, Edward M.
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
A61M 1600
Patent
active
048175986
ABSTRACT:
A removable inner cannula is provided with grooved-ribbed locking member end for snap-fit interconnection inside an outer cannula. The inner cannula includes a ring-pull grasping member associated with the locking member which is easily accessible for withdrawal of the inner cannula from the outer cannula connection.
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Coven Edward M.
Lacyk J. P.
Portex, Inc.
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