1
Hanson S Gifford III, John B Simpson, Peter S Brown: Atherectomy device for severe occlusions. Devices for Vascular Intervention, Townsend & Townsend, May 22, 1990: US04926858 (455 worldwide citation)

An atherectomy catheter for removal of plaque buildup from the walls of a blood vessel. The atherectomy catheter includes a cutter assembly disposed at the distal end of a flexible guide tube that may be inserted into a vessel and directed to the occlusion. A proximal actuator assembly is adapted to ...


2
John B Simpson, Hira Thapliyal, Hanson S Gifford III, Tommy G Davis: Atherectomy device having a flexible housing. Devices for Vascular Intervention, Flehr Hohbach Test Albritton & Herbert, November 1, 1988: US04781186 (334 worldwide citation)

An atherectomy device having a housing at the distal end of a catheter adapted for insertion into the vascular system. The housing has a cutout in one side, and a cutter that is mounted in the housing for both axial and rotary movement with respect to the cutout. At least a portion of the housing is ...


3
Richard Jaraczewski, Mark E Plaia: Guiding catheter. Devices for Vascular Intervention, Townsend and Townsend, April 4, 1989: US04817613 (320 worldwide citation)

A torque transmitting guiding catheter adapted for insertion into vascular vessels with a body and a method for its construction is disclosed. The guiding catheter includes a flexible tubular member surrounded by a pair of torque transmitting layers that are formed of a flat braided material. A flex ...


4
Hanson S Gifford III, John B Simpson: Single lumen atherectomy catheter device. Devices for Vascular Intervention, Flehr Hohbach Test Albritton & Herbert, June 2, 1987: US04669469 (315 worldwide citation)

Atherectomy device for removing material from an atheroma in the vascular system. A cutter is mounted in a cylindrical housing having a cutout on one side thereof at the distal end of a catheter. The catheter has a single luminal opening, and a flexible drive cable for operating the cutter passes th ...


5
Richard L Mueller, Gerri Chatelain, Richard Jaraczewski: Vascular dilation catheter construction. Devices for Vascular Intervention, Townsend and Townsend, August 20, 1991: US05041089 (312 worldwide citation)

An improved vascular dilation catheter comprises an involuted tubular structure including outer and inner tubular walls which extend the entire length of the catheter. The outer tubular wall is enlarged at a distal end of the catheter to form a dilation balloon, and extends back the remaining length ...


6
Michael Evans, Richard L Mueller: Atherectomy device having helical blade and blade guide. Devices for Vascular Intervention, Townsend and Townsend Khourie and Crew, July 13, 1993: US05226909 (312 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 ...


7
John B Simpson, Richard L Mueller, Peter S Brown, James R Kermode: Atherectomy device and method. Devices for Vascular Intervention, Townsend and Townsend, September 10, 1991: US05047040 (263 worldwide citation)

An atherectomy device for removing stenosis materials from a vascular vessel is provided. The atherectomy device includes a flexible tubular member, a flexible drive means disposed within the tubular member, and a cutting assembly carried by the distal extremity of the tubular member. The cutting as ...


8
Bernard H Andreas, Brian A Glynn, Michael A Evans, Brian E Farley: Atherectomy catheter having flexible nose cone. Devices for Vascular Intervention, Townsend and Townsend Khourie and Crew, October 5, 1993: US05250059 (251 worldwide citation)

An atherectomy catheter comprises a flexible tube having a proximal end and a distal end, and a cutter housing secured to the proximal end. A spring tip nose cone is secured to a distal end of the cutter housing and comprises a relatively soft polymeric wall having a spring coil embedded therein. Th ...


9
John B Simpson, Hanson S Gifford III, Kenneth A Stenstrom: Motor drive unit. Devices for Vascular Intervention, Flehr Hohbach Test Albritton & Herbert, September 20, 1988: US04771774 (235 worldwide citation)

Motor drive unit for use with an atherectomy device having a flexible drive cable and a finger operated member for advancing and retracting the drive cable. The drive unit comprises a motor and a power supply mounted in a case of a size which fits comfortably in a human hand, with a power switch pos ...


10
Enrique J Klein, Mark E Plaia, James R Kermode, Donald S Baim, Richard P Mueller: Atherectomy catheter having axially-disposed cutting edge. Devices for Vascular Intervention, Townsend and Townsend Khourie and Crew, September 7, 1993: US05242460 (228 worldwide citation)

Atherectomy catheters are described having a cylindrical cutting head rotatably mounted at the distal end of a catheter body. The head has an axially elongated aperture and an open interior. A severing means is disposed adjacent the elongated aperture such that atheromatous material invaginated by t ...