A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
128/111
A61B 17/02 (2006.01) A61M 39/06 (2006.01)
Patent
CA 2001558
ABSTRACT HEMOSTASIS VALVE An introducer sheath assembly having an improved valve assembly including at least three elastic disc shaped membranes. A first membrane has a circular hole through the center to sealingly receive a catheter while a second membrane has a center hole smaller than the hole in the first membrane to sealingly receive a guidewire. The second membrane also has at least one slit through the hole to accommodate passage of the larger catheter through the second membrane. A third membrane contains at least one slit through its center to seal the valve assembly in the absence of a guidewire or catheter.
Guest Robert L.
Withers Alexander S.
Guest Robert L.
Osler Hoskin & Harcourt Llp
Withers Alexander S.
LandOfFree
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