A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/80
A61M 5/00 (2006.01)
Patent
CA 1164752
ABSTRACT OF THE DISCLOSURE A safety valve for catheterization procedures is characterized by a piston having an internal flow path, a portion of the piston being surrounded by an elasto- meric member which surrounds a portion of the piston and biases it to a closed position. The elastomeric member also severely restricts fluid flow around the piston to eliminate any flow path other than the internal piston flow path.
395437
Gordon Marvin
Lichtenstein Joseph
Marks & Clerk
Whitman Medical Corporation
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