21
Charles Milo, Gerald Hansen, Fred H Co: Imaging atherectomy apparatus. Devices for Vascular Intervention, Douglas A Hopkins & Carley Chaikin, July 4, 1995: US05429136 (139 worldwide citation)

An atherectomy catheter having ultrasound imaging capability provided by an acoustic transducer disposed within a catheter housing which includes a circular cutting edge for removal of stenotic tissue. Risk of induced emboli is reduced by arrangements of transducer and cutter maneuvering members whi ...


22
John B Simpson, Richard L Mueller: Balloon configuration for atherectomy catheter. Devices for Vascular Intervention, Townsend and Townsend, March 3, 1992: US05092873 (138 worldwide citation)

A vascular catheter includes a flexible catheter body having proximal and distal ends and an elongate housing secured to the distal end of the catheter body. An interactional device is disposed on one side of the housing, and at least two spaced-apart inflatable chambers are located on the other sid ...


23
Mark Plaia, Richard L Mueller, Chris Decaria: System and method for catheter construction. Devices For Vascular Intervention, Townsend and Townsend, January 28, 1992: US05084010 (132 worldwide citation)

A catheter system comprises a flexible catheter tube or body having a housing secured to its distal end. A plurality of structurally distinct terminal components are provided to attach to the forward end of the housing, while a plurality of interchangeable interventional elements are provided to att ...


24
Michael Evans, Richard L Mueller: Atherectomy device having helical blade and blade guide. Devices for Vascular Intervention, Townsend and Townsend and Crew, October 29, 1996: US05569277 (131 worldwide citation)

An atherectomy catheter includes a catheter body having a cylindrical housing at its distal end. The cylindrical housing includes an elongate cutting aperture on one side thereof and a mechanism for severing atheroma which enters within the opening. In a first embodiment, the cutting mechanism compr ...


25
Richard L Mueller, Brian E Farley, James F Pfeiffer: Atherectomy device with angioplasty balloon and method. Devices for Vascular Intervention, Townsend and Townsend, January 26, 1993: US05181920 (130 worldwide citation)

An atherectomy device for reducing stenosis material from a vascular vessel is provided. The atherectomy device includes an elongated flexible tubular member having at least one lumen extending therethrough and having proximal and distal extremities. A flexible drive means disposed within the tubula ...


26
Robert L Wynne, David W Snow, Larry B Rogers, Ferolyn Powell, Jeffrey W Krier, Ron Hundertmark, Earl R Hill III, Randolph E Campbell: Cutter device. Devices for Vascular Intervention, Douglas A Chaikin, April 16, 1996: US05507760 (129 worldwide citation)

Disclosed herein is a cutter capable of removing soft and hard tissue when used with an atherectomy catheter of the type having a cutter housing attached to the distal end of a catheter having a torque cable. A circular cutting blade is disposed within the housing and is secured to the distal end of ...


27
Ronald Nicholas Spaulding: Catheter device having a selectively flexible housing. Devices for Vascular Intervention, Douglas A Chaikin, Peninsula IP Group, March 14, 2000: US06036707 (124 worldwide citation)

Disclosed herein is a catheter device which is operably positionable for use in a biological conduit. The catheter device includes a catheter body having a proximal end and a distal end; a flexible housing; a work element and a sleeve. The housing connects to the distal end of the catheter body and ...


28
John B Simpson: Guide wire systems for intravascular catheters. Devices for Vascular Intervention, Townsend and Townsend Khourie and Crew, December 14, 1993: US05269793 (118 worldwide citation)

A vascular catheter comprises a catheter body having a fixed guide wire secured to its distal end. The fixed guide wire includes an axial passage which is aligned with a wire lumen within the catheter body so that the vascular catheter can be introduced to the vascular system over a movable guide wi ...


29
Daniel J Conley, Mark E Deem, Kent D Dell, Bernard H Andreas: Atherectomy catheter. Devices for Vascular Intervention, Townsend and Townsend and Crew, September 23, 1997: US05669920 (116 worldwide citation)

An improved atherectomy catheter and methods of making and using a catheter are disclosed. In one embodiment, the catheter comprises a housing shaft having a torsionally-reinforced outer layer concentrically disposed over a polymeric inner layer, with an inflation tube disposed concentrically over t ...


30
Charles Milo, William Earl Webler, Fred Henrik Co: Flexible composite drive shaft for transmitting torque. Devices for Vascular Intervention, Douglas A Chaikin Esq, Peninsula IP Group, October 6, 1998: US05816923 (101 worldwide citation)

A flexible composite drive shaft used with a flexible vascular atherectomy catheter for connecting a proximal rotating drive member and a distal rotatable working member. The flexible composite drive shaft includes a core of specially selected highly elastic shape memory alloy surrounded by a flexib ...