Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1994-06-07
1995-09-26
Hirsch, Paul J.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604256, A61M 3922, A61M 3926
Patent
active
054530954
ABSTRACT:
An elastomeric valve partition is conventionally mounted on a catheter comprising a tubular catheter body. The valve partition defines a central aperture extending inwardly from one of the faces, only partway through the valve partition. The partition also carries a plurality of radial slits extending from the other of the faces only partway through the valve partition and intersecting the central aperture. The central aperture is of a diameter to closely fit a guidewire extending through the valve partition, while the radial slits have a length that is at least double the radius of the central aperture. The slits preferably rotate circumferentially about 5 to 60 degrees as they extend through the valve partition from one face toward the other. A lubricity enhancing additive is present, selected from the group consisting of bismuth oxychloride, polytetrafluoroethylene, titanium dioxide, graphite, polyethylene wax, polyvinylpyrrolidone, and combinations thereof.
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Two sheets of drawings entitled Hemaquet Plus Gasket.
Davila Luis A.
De La Mata Carlo R.
Querns Stephen J.
Cordis Corporation
Hirsch Paul J.
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