1
Richard A Hillstead: Medical instrument valve. Cordis Corporation, Pigott & Gerstman, January 17, 1989: US04798594 (297 worldwide citation)

A hemostasis valve is provided for catheters or the like, comprising an elastomeric partition valve secured in a housing. A linear slit extends through the partition valve between the major faces thereof. By this invention, the slit defines a line at each major face, with the respective lines at the ...


2
Lawrence A Weinstein: Hemostatis valve comprising an elastomeric partition having opposed intersecting slits. Cordis Corporation, George H Gerstman, December 2, 1986: US04626245 (297 worldwide citation)

A hemostasis valve for a catheter or the like may be a self-sealing, penetrable barrier which comprises an elastomeric partition made of an integral piece. A first slit is cut on the first side of the partition, while a second slit is cut in a second, opposite side of the partition. The first and se ...


3
William J O Neill: Removable hemostasis valve. Argon Medical, Lawrence S Levinson, Sanford J Asman, March 13, 1984: US04436519 (267 worldwide citation)

A hemostasis valve comprising a body having a central passage, a seal having a central aperature therein, the seal being mounted in the central passage, and a diaphragm having a wall member with a slit therein, the diaphragm being mounted in the central passage, the diaphragm wall member having an i ...


4
Richard A Hillstead: Medical instrument valve. Cordis Corporation, Gerstman & Ellis, January 23, 1990: US04895565 (254 worldwide citation)

A hemostasis valve is provided for catheters or the like, comprising an elastomeric partition valve secured in a housing. A linear slit extends through the partition valve between the major faces thereof. By this invention, the partition of the valve has at least one concave face through which the s ...


5
Perry K Littrell: Hemostasis valve. Cordis Corporation, Gerstman & Ellis, August 20, 1991: US05041095 (234 worldwide citation)

A hemostasis valve comprises a housing defining a passage therethrough adpated to receive an elongated member such as a catheter in hemostatically sealed condition. An elastic gasket valve is carried in the housing having slit means capable of permitting the elongated member to extend through the ho ...


6
John J Fleischhacker, Gregg S Sutton, Mark D Krueger: Universal hemostasis cannula. Daig Corporation, Donald L Cox, March 20, 1990: US04909798 (210 worldwide citation)

Disclosed herein is a hemostasis valve which is formed of a longitudinally extended valve housing having a first opening and a central longitudinal passage communicating with an opposite second opening. A cap means is providied for enclosing the first opening of the housing, said cap means having a ...


7
Yosuke Okada, Hideyuki Makino: Valve membrane for a catheter introducer hemostatic valve. Sherwood Medical Company, Andrew J Beck, Montgomery W Smith, Curtis D Kinghorn, December 1, 1992: US05167637 (183 worldwide citation)

A hemostasis valve membrane for use with a catheter introducer having a cover and a frame is disclosed. The valve membrane is inserted between the cover and the frame of the catheter introducer body. The valve membrane is a disc made of a soft elastic material. The disc has opposed faces, at least o ...


8
Thomas O Bales, J William Box, Keith Reisinger: Leakproof hemostasis valve with single valve member. Cordis Corporation, George H Gerstman, February 9, 1988: US04723550 (175 worldwide citation)

A hemostasis valve in which the valve member is a tubular, resilient gasket which may be compressed with variable pressure to provide a variable pressure seal to an elongated member extending through the tubular bore of the gasket. The gasket bore also defines at least one resilient, annular rib whe ...


9
Osamu Katoh, Mir A Imran: Recanalization apparatus and devices for use therein and method. Reflow, Flehr Hohbach Test Albritton & Herbert, August 10, 1999: US05935108 (169 worldwide citation)

Recanalization apparatus for crossing a stenosis forming a total occlusion in a lumen in a vessel formed by a vessel wall. The stenosis has a fibrous cap comprising a guiding sheath comprised of a flexible elongate tubular member having proximal and distal extremities. A lumen extends from the proxi ...


10
David C Auth, Lucas S Gordon, Lauri J DeVore: Percutaneous aspiration thrombectomy catheter system. Boston Scientific Corporation Northwest Technology Center, Cowan Liebowitz & Latman P C, October 27, 1998: US05827229 (161 worldwide citation)

An improved system for removing thrombus from blood vessels comprising a catheter shaft having proximal and distal ends, designed to be advanced through a hemostasis valve and guide catheter and over a guidewire for placement of its distal end at a point proximal to a thrombus, the catheter shaft de ...