1
Andrew F Farr, Herbert R Radisch Jr: Atherectomy systems and methods. InterVentional Technologies, Nydegger & Associates, June 25, 1991: US05026384 (284 worldwide citation)

An atherectomy system includes a guide wire which can be inserted into an artery of a patient to a region of occlusion, a torque tube having a cutter device affixed to its distal end which is insertable into the artery over the guide wire, and a protective support sheath surrounding the guide wire a ...


2
Edward J Pannek Jr: Rotationally expandable atherectomy cutter assembly. InterVentional Technologies, Nydegger & Associates, March 9, 1993: US05192291 (271 worldwide citation)

A rotationally expandable atherectomy cutter assembly for cutting plaque from a stenosis in an artery includes a plurality of radially separated and axially aligned blade elements. The distal ends of each blade element are fixably connected to a hub and the proximal ends of each blade element slidab ...


3
Edward J Pannek Jr: Compressible/expandable atherectomy cutter. InterVentional Technologies, Nydegger & Associates, July 6, 1993: US05224945 (263 worldwide citation)

An expandable and compressible atherectomy cutter for cutting plaque from a stenosis in an artery includes a cutter assembly which, relative to its axis of rotation, has a plurality of radially separated and axially aligned blades. The distal ends of these blades are joined together at a grommet and ...


4
David Lloyd Brown: Device and method for locating inflamed plaque in an artery. Nydegger & Associates, February 16, 1999: US05871449 (252 worldwide citation)

A system for locating inflamed plaque in an artery of a patient includes a catheter with an expander mounted at a catheter distal end. An infrared carrier, e.g., an optical fiber is mounted on the catheter with a carrier distal end attached to the expander. A sensor is connected to a carrier proxima ...


5
Lewis K Waldman, Peng Sheng Chen: Endocardial electrical mapping catheter. Nydegger & Associates, August 24, 1993: US05237996 (246 worldwide citation)

An endocardial mapping catheter for locating the ectopic focus of an abnormally functioning heart includes an actuator assembly and an elongated hollow support sheath which extends from the actuator assembly. A plurality of electrical probes are slidingly disposed for independent movement through th ...


6
Edward J Pannek Jr: Balloon expandable atherectomy cutter. InterVentional Technologies, Nydegger & Associates, January 5, 1993: US05176693 (220 worldwide citation)

A balloon expandable atherectomy cutter for removing plaque from an artery includes an elongated cutter assembly having a plurality of blades which, with respect to the axis of rotation of the cutter, are radially separated from each other and axially aligned with each other. The assembly is mounted ...


7
Dennis M Vigil, Peter Barath: Balloon catheter with seated cutting edges. Interventional Technologies, Nydegger & Associates, June 14, 1994: US05320634 (201 worldwide citation)

A stenotic dilitation device includes a plurality of elongated atherotomes with cutters embedded in a substrate mounted on the outer surface of a flexible balloon along predetermined crease lines. The atherotomes are aligned along the longitudinal axis of the catheter. The ends of the balloon are at ...


8
Lawrence Farhat: Expandable and compressible atherectomy cutter. Interventional Technologies, Nydegger & Associates, September 17, 1996: US05556408 (200 worldwide citation)

An expandable and compressible atherectomy cutter for cutting plaque from a stenosis includes a distal hub and a proximal hub joined by a plurality of resilient blades. The blades are shaped to describe a cutting radius which may be compressed to allow the cutter to be inserted into a guide catheter ...


9
Tihiro Ohkawa: Device for electrostatic manipulation of droplets. General Atomics, Nydegger & Associates, January 23, 1996: US05486337 (188 worldwide citation)

A method and apparatus are disclosed for manipulation of very small droplets of liquid, by placing the droplets on wettable positioning electrodes on a non-wettable substrate, applying voltages to the positioning electrodes to electrostatically charge the droplets, and applying voltages of opposite ...


10
Dennis Vigil, Thomas E Olson: Method and apparatus for dilatation of a stenotic vessel. InterVentional Technologies, Nydegger & Associates, August 9, 1994: US05336234 (185 worldwide citation)

An apparatus and method of operation are disclosed for using an expandable balloon catheter to perform a combination angioplasty and atherectomy procedure on a stenotic blood vessel. The expandable balloon has a plurality of atherotomes attached to its outer surface, and longitudinal, transverse, or ...