1
Debbie E Stevens Wright, John R Fagan, Dino F Cuscuna, Sarkis Karakozian: Bidirectional steering catheter. C R Bard, Darby & Darby, February 10, 1998: US05715817 (259 worldwide citation)

A bidirectional steering catheter comprising a distal electrode assembly, a flexible tip assembly, an elongated shaft having a central lumen running the length of the shaft, and a handle/actuator. A plurality of ring electrodes are attached to the surface of the flexible tip assembly. Signal wires r ...


2
John R Fagan, Jeffrey Kling: Helically grooved balloon for dilatation catheter and method of using. C R Bard, Bookstein & Kudirka P C, August 13, 1996: US05545132 (194 worldwide citation)

A dilatation balloon having at least one helical groove disposed in at least a portion of the dilating surface of the dilatation balloon is mounted on the distal end of a catheter shaft. Multiple helical grooves may be provided in the dilatation balloon extending parallel to each other or opposite t ...


3
John R Fagan, Lex P Jansen, L Ven Raman, John A Wright Jr: High performance wires for use in medical devices and alloys therefor. C R Bard, Arthur Z Bookstein, February 24, 1998: US05720300 (189 worldwide citation)

An elongate flexible wire-like medical device, such as a guidewire for use with a catheter, is formed with a shaft in which the difference between the magnitude of the tensile yield stress and compressive yield stress of the shaft is substantially reduced. The guidewire exhibits superior kink resist ...


4
John R Fagan, Chirag B Shah: Drug storing and metering stent. Medtronic AVE, Sterne Kessler Goldstein & Fox P L L C, March 27, 2001: US06206915 (154 worldwide citation)

A drug storing and metering stent for placement within a vessel comprising an outer member having a lumen, an inner member positioned within the lumen of the outer member. A space separates the inner member from the outer member and within which space a therapeutic drug is disposed. The stent includ ...


5
John R Fagan: Reinforced edge exchange catheter. Medtronic AVE, Sterne Kessler Goldstein & Fox P L L C, March 6, 2001: US06196995 (83 worldwide citation)

The invention relates to a catheter and guidewire exchange system in which the guidewire is contained within an indwelling portion of the catheter and with the guidewire and the catheter being separated externally of the patient. The catheter includes a guidewire lumen and a longitudinal slit which ...


6
John R Fagan, Jeffrey M Kling, Michael D Barbere: Devices for selectively directing inflation devices. C R Bard, Morgan & Finnegan L, July 8, 1997: US05645529 (46 worldwide citation)

Devices have been made which are balloon catheters, preferably PTCA devices, and which are capable of selectively directing inflation forces against the thicker part of an eccentric arterial obstruction or an off-center plaque deposit. In a first embodiment, a balloon catheter is formed from at leas ...


7
John R Fagan, John Zhang: Hemostatic catheter introducer. C R Bard, Arthur Z Bookstein, John F Perullo, January 12, 1999: US05858007 (44 worldwide citation)

A self-sealing hemostatic valve for use in a catheter apparatus is disclosed, comprising a proximal valve element having a sealing hole, a distal valve element having a flap and biasing means to enhance the force with which the flap bears against the distal side of the proximal valve element to norm ...


8
John R Fagan, John A Wright: Catheter with integral steerable guidewire having linear to rotary movement. C R Bard, Morgan & Finnegan, December 14, 1993: US05269757 (41 worldwide citation)

A catheter with an integral steerable guidewire converts linear movement of the guidewire to rotational movement at the distal end of the guidewire. The catheter has a guidewire lumen to receive the guidewire. The catheter and guidewire are constructed so that the guidewire can be reciprocated and r ...


9
Richard T Choh, John R Fagan, Stephen J Forcucci: Method and apparatus for regulating the fluid flow rate to and preventing over-pressurization of a balloon catheter. Medtronic AVE, Sterne Kessler Goldstein & Fox P L L C, August 29, 2000: US06110144 (26 worldwide citation)

The invention relates to an apparatus and method for limiting the pressure of inflation fluid injected into a drug delivery catheter balloon, while permitting continuous and uninterrupted flow of such fluid to the balloon. The apparatus includes an elongated hollow housing having a fluid entrance, a ...


10
John R Fagan, Richard Choh, Richard Morrill: Variable stiffness angioplasty guide wire. Medtronic AVE, Sterne Kessler Goldstein & Fox P L L C, September 5, 2000: US06113557 (24 worldwide citation)

An angioplasty guidewire includes a proximal shaft and an intermediate section extending from the shaft to a distal joint and having a stiffener and a flexible member. The stiffener and the flexible member are disposed in coaxial slidable relationship and operable, as the stiffener and flexible memb ...