1
Roger N Hastings, Paul T Feld, Daniel M Lafontaine, Kenneth R Larson, Richard R Prather: Intravascular pressure and flow sensor. Scimed Life Systems, Robert E Atkinson, February 23, 1999: US05873835 (280 worldwide citation)

An intravascular device for measuring blood pressure and flow is disclosed, which includes an elongate shaft having a pressure transducer and a flow transducer connected to its distal end. The pressure transducer may be a ferrofluid-type pressure transducer and the flow transducer may be an anemomet ...


2
Michael J Urick, Richard R Prather, John H Randby: Guidewire having radioscopic tip. SciMed Life Systems, Nawrocki Rooney & Sivertson, March 12, 1996: US05497783 (121 worldwide citation)

An apparatus for and method of making a guide wire for use in medical procedures in general and cardiovascular procedures in particular. A core wire is formed as the inner member. A distal helix is fixedly attached to the distal end of the core wire. The core wire has tapers or is continuously taper ...


3
Todd A Berg, Thomas J Bachinski, Richard R Prather: Catheter having geometrically shaped surface and method of manufacture. SciMed Life Systems, Crompton Seager & Tufte, August 11, 1998: US05792116 (89 worldwide citation)

Catheter and method of manufacturing such catheter. The catheter includes an elongate shaft having an interior lumen extending therethrough. The interior surface of the lumen is geometrically configured to reduce friction and increase catheter performance. Additionally, the geometrically configured ...


4
David J Haskvitz, John W Humphrey, William F Kratoska, Richard R Prather, David J Serdar: Power-assisted inflation apparatus. SciMed Life Systems, Kinney & Lange, December 28, 1993: US05273537 (87 worldwide citation)

Inflation apparatus for inflating a dilatation balloon of a catheter includes a frame having a first receiver supporting the barrel of a syringe. An operator has a second receiver supporting the plunger of the syringe. The syringe includes a fluid port for connecting the syringe chamber to the lumen ...


5
Richard R Prather: Guide wire having an unsmooth exterior surface. SciMed Life Systems, Nawrocki Rooney & Silvertson, April 11, 1995: US05404887 (77 worldwide citation)

A guide wire, and a method for the manufacture thereof, having an unsmooth surface along a segment thereof. According to one aspect of the invention, the unsmooth surface is provided by a sleeve member disposed about a distal portion of a core member. The sleeve member is formed from an extruded pol ...


6
Michael J Urick, Thomas J Bachinski, Richard R Prather, Marian L Larson: Guidewire having multiple radioscopic coils. SciMed Life Systems, Nawrocki Rooney & Sivertson, September 16, 1997: US05666969 (74 worldwide citation)

An intraluminal guidewire for use in medical procedures in general, and cardiovascular procedures in particular. A core wire is formed as the inner member of the guidewire. A distal helical coil is fixedly attached to the distal end of the core wire. A proximal helical coil is fixedly attached to th ...


7
Richard R Prather: Catheter guide wire with multiple radiopacity. SciMed Life Systems, Nawrocki Rooney & Sivertson, March 12, 1996: US05498250 (63 worldwide citation)

An apparatus and method for a thin, flexible catheter guide wire having portions of uniform and tapering diameters, a helical coil of a first radiopacity encasing or covering the distal end of the wire, and at least one additional wire cover of a lubricous material which is formed to be radiopaque b ...


8
Todd A Berg, Richard R Prather, Thomas J Bachinski: Catheter having geometrically shaped surface and method of manufacture. SciMed Life Systems, Nawrocki Rooney & Sivertson P A, July 15, 1997: US05647846 (52 worldwide citation)

Catheter and method of manufacturing such catheter. The catheter includes an elongate shaft having an interior lumen extending therethrough. The interior surface of the lumen is geometrically configured to reduce friction and increase catheter performance. Additionally, the geometrically configured ...


9
Richard R Prather, Thomas R Hektner: Guide wire with swivel. Scimed Life Systems, Willian Brinks Olds Hofer Gilson & Lione, September 28, 1993: US05247942 (33 worldwide citation)

A guide wire, and methods of use thereof, comprising a main part, an extension part, and a connector. The connector connects the main part to the extension part such that the main part and the extension part can be rotated relative to each other.


10
Michael J Bonnette, Eric J Thor, Richard R Prather, Laszlo Trent Farago: Guidewire and collapsable filter system. MEDRAD, David Schramm, December 7, 2010: US07846175 (24 worldwide citation)

A guidewire with collapsible filter system where a deployable, collapsible and retrievable filter attached to a guidewire tube is utilized for filtering thrombotic particulate from blood flow in the vascular system during thrombectomy or other interventional vascular procedures.