1
Leonid Shturman: Method and apparatus for in vivo heart valve decalcification. Shturman Cardiology Systems, Gregory P Kaihoi, March 22, 1994: US05295958 (424 worldwide citation)

A method and apparatus for in vivo removal of calcified deposits from an aortic valve. The apparatus includes an anchoring balloon catheter fixatable across the aortic valve, a tool for removing the deposits, and attachment means for securing the tool with respect to the anchoring balloon and the ao ...


2
Leonid Shturman: Method and apparatus for in vivo heart valve decalcification. Shturman Cardiology Systems, Gregory P Kaihoi, August 22, 1995: US05443446 (413 worldwide citation)

A method and apparatus for in vivo removal of calcified deposits from an aortic valve. The apparatus includes an anchoring balloon catheter fixatable across the aortic valve, a tool for removing the deposits, and a mechanism means for securing the tool with respect to the anchoring balloon and the a ...


3
Leonid Shturman: Apparatus and method for rotational atherectomy. Shturman Cardiology Systems, Gregory P Kaihoi, October 18, 1994: US05356418 (244 worldwide citation)

Apparatus and method for performing an atherectomy. The apparatus includes a rotational atherectomy device having a flexible, elongated drive shaft and an abrasive burr carried on the drive shaft. The drive shaft and abrasive burr each include a central lumen so that they can be advanced over a guid ...


4
Leonid Shturman: Abrasive drive shaft device for rotational atherectomy. Shturman Cardiology Systems, Gregory P Kaihoi, May 24, 1994: US05314438 (213 worldwide citation)

An abrasive drive shaft atherectomy device for removing stenotic tissue from an artery. The device includes a flexible, elongated drive shaft having a central lumen for receipt of a guide wire therein and around which the drive shaft may be rotated. The drive shaft is made from one or more helically ...


5
Leonid Shturman: Atherectomy device. Shturman Cardiology Systems, Gregory P Kaihoi, September 10, 1996: US05554163 (181 worldwide citation)

A rotational atherectomy device having directional control for selectively removing tissue from an artery (or other bodily passageway or cavity). The atherectomy device includes a rotational atherectomy apparatus having a flexible, elongated drive shaft disposed in the lumen of a catheter. A central ...


6
Leonid Shturman: Device and method for directional rotational atherectomy. Shturman Cardiology Systems, Gregory P Kaihoi, May 17, 1994: US05312427 (140 worldwide citation)

Device and method for performing an atherectomy. The device utilizes a dual lumen catheter, with a guide wire being receivable in one of these lumens, and a flexible, elongated drive shaft carrying an abrasive burr at its distal end being disposed in the other lumen. The drive shaft and abrasive bur ...


7
Leonid Shturman: Abrasive drive shaft device for directional rotational atherectomy. Shturman Cardiology Systems, Gregory P Kaihoi, November 1, 1994: US05360432 (123 worldwide citation)

An abrasive drive shaft atherectomy device for removing stenotic tissue from an artery. The device includes a rotational atherectomy apparatus having a flexible, elongated drive shaft having a central lumen and a segment, near its distal end, coated with an abrasive material to define an abrasive se ...


8
Leonid Shturman: Rotatable intravascular apparatus. Shturman Cardiology Systems, Fredrikson & Byron P A, February 22, 2000: US06027460 (119 worldwide citation)

A rotatable intravascular apparatus having a flexible, elongated medical device and a mechanism for controlling the rotational orientation of the distal end of the medical device. The apparatus includes a flexible torquing sheath extending along a substantial length of the elongated medical device. ...


9
Leonid Shturman: Inflatable sheath for introduction of ultrasonic catheter through the lumen of a fiber optic endoscope. Shturman Cardiology Systems, Gregory P Kaihoi, July 26, 1994: US05331947 (106 worldwide citation)

A inflatable sheath for ultrasonic imaging, with a fiber optic endoscope, of a bodily passageway or cavity area of interest. The inflatable sheath, having an ultrasound transducer therein, is introduced into the distal end of an endoscope. Typically the endoscope comprises an elongated shaft that ha ...


10
Leonid Shturman, Andrei Nevzorov: Rotational atherectomy device. Shturman Cardiology Systems, Perman & Green, April 17, 2001: US06217595 (85 worldwide citation)

A method of forming an elongate, flexible drive shaft which has utility as a rotational atherectomy device. In accordance with this method, an inner helical coil having a lumen and a proximal end is formed by winding a plurality of wires about a forming mandrel. An outer helical coil having a lumen ...