1
Rick L Shockey, Robert A Van Tassel: Intravascular drug delivery dilatation catheter. Schneider, Haugen and Nikolai, February 19, 1991: US04994033 (444 worldwide citation)

An intravascular catheter designed to apply a liquid medicament or other substance to a stenotic lesion as the blood vessel is undergoing dilatation to facilitate the restoration and long-term maintenance of patency to the blood vessel. It comprises three concentrically arranged flexible plastic tub ...


2
Robert N Hamlin, Rick L Shockey, Robert A V Tassel: Fiber tip atherectomy catheter. Schneider, Haugen and Nikolai, April 23, 1991: US05009659 (229 worldwide citation)

A catheter assembly especially designed for the performance of atherectomy procedures which include an elongated flexible plastic tube which can be routed through the vascular system to the location of the atheroma to be removed and a working catheter insertable through the guide catheter in the for ...


3
Richard L Goodin, Mark A Rydell, Rick L Shockey: Pressure monitor catheter. Schneider, Haugen and Nikolai, May 29, 1990: US04928693 (188 worldwide citation)

A blood pressure monitoring catheter for use in a Monorail.TM. intravascular system for measuring the pressure gradient across a stenotic lesion. It comprises an elongated, flexible, plastic, extruded, tubular member having a guidewire port extending through the wall thereof a short distance proxima ...


4
Rick L Shockey, Mark A Rydell: Guidewire exchange catheter. Schneider, Haugen and Nikolai, June 12, 1990: US04932413 (168 worldwide citation)

A catheter for facilitating the exchange of guidewires during the course of a transluminal angioplasty or related procedure which comprises an elongated, flexible, tubular member having at least one lumen running the full length thereof from its proximal end to its distal end and with at least three ...


5
Whitney A McFarlin, Rick L Shockey: Flexible endoscope with rigid introducer. Medilase, Haugen and Nikolai, July 7, 1992: US05127393 (163 worldwide citation)

To facilitate certain surgical procedures, a flexible endoscope may more readily be passed through body vessels and tubular organs, especially when those organs assume a tortuous path. However, a difficulty arises in steering a flexible endoscope through internal body orifices. In accordance with th ...


6
Rick L Shockey: Deflectable endoscope. Clarus Medical Systems, Haugen and Nikolai, December 8, 1992: US05168864 (146 worldwide citation)

An improved endoscope having a flexible tip portion with both a selectable angle of deflection, and a selectable radius of curvature to provide a more maneuverable endoscope for use by a physician. It includes a body member receiving a rigid tube within a lumen thereof. The tube extends toward, but ...


7
Rick L Shockey, Donald S Baim, Kevin L Cronk, Rocky R J Campbell: Telescoping guide catheter system. Schneider, Haugen and Nikolai, June 9, 1992: US05120323 (145 worldwide citation)

The guide catheter system for use in the treatment of coronary artery disease includes a first single-lumen catheter of a relatively large internal diameter to pass a second guide catheter therethrough. The first guide catheter comprises an elongated flexible tube having a stainless steel braid embe ...


8
Jeffrey D Vance, Rick L Shockey: Cutter for atherectomy catheter. Schneider, Haugen and Nikolai, October 25, 1994: US05358485 (134 worldwide citation)

An atherectomy catheter is provided with an improved high speed rotating cutting head is disclosed in which the cutting head has a generally oval-shaped nose portion which includes a plurality of radially disposed excising openings extending along and rearward from a point near the center of the nos ...


9
Jeffrey D Vance, Rick L Shockey: Guidewire atherectomy catheter and method of using the same. Schneider, Haugen and Nikolai, October 25, 1994: US05358472 (133 worldwide citation)

An atherectomy catheter device includes an improved guidewire system including a guidewire port member secured to the distal tip portion of the outer tubular member of an atherectomy catheter of the coaxial type having large and small concentrically disposed elongated flexible tubular members with a ...


10
Rick L Shockey, Whitney A McFarlin, Steven M Blakemore: Handle for deflectable catheter. Clarus Medical Systems, Haugen & Nikolai, January 4, 1994: US05275151 (129 worldwide citation)

A handle device for an endoscope incorporates controls for adjusting the degree of curvature of the distal tip portion of the endoscope as well as the degree of extension of the surgical instrument beyond the distal end of the endoscope's working lumen. The handle member comprises a generally hollow ...