1
David J Parins, Mark A Rydell, Peter Stasz: Ablation catheter with selectively deployable electrodes. Everest Medical Corporation, December 11, 1990: US04976711 (715 worldwide citation)

A RF ablation catheter for removing athero-stenotic lesions or modifying the tissue characteristics of the interior walls of selected blood vessels is described. The catheter is characterized in having a tip member which during the initial placement of the catheter within the vascular system so that ...


2
Mark A Rydell: Electrosurgical instrument having needle cutting electrode and spot-coag electrode. Everest Medical Corporation, Haugen and Nikolai, April 16, 1991: US05007908 (628 worldwide citation)

An electrosurgical instrument for use in combination with an endoscope for cutting tissue and cauterizing/coagulating the resulting wound area is described. The instrument comprises an elongated flexible tubular member having a proximal end, a distal end, and plural lumens extending therebetween. Af ...


3
David J Parins, Mark A Rydell, Peter Stasz: Ablation catheter with selectively deployable electrodes. Everest Medical Corporation, Haugen and Nikolai, June 30, 1992: US05125928 (620 worldwide citation)

A RF ablation catheter for removing athero-stenotic lesions or modifying the tissue characteristics of the interior walls of selected blood vessels is described. The catheter is characterized in having a tip member which during the initial placement of the catheter within the vascular system so that ...


4
Peter Stasz: Ultrasonically enhanced RF ablation catheter. Everest Medical Corporation, Haugen and Nikolai, June 26, 1990: US04936281 (558 worldwide citation)

An electrosurgical angioplasty catheter with ultrasonic enhancement is described. It comprises an elongated, flexible plastic tubular body having located at its distal tip an electrode structure for effecting rf cutting along with a transducer for ultrasonically driving the rf cutting electrodes and ...


5
Mark A Rydell, Joseph A O Brien: Bipolar coagulation and cutting forceps. Everest Medical Corporation, Haugen and Nikolai, August 29, 1995: US05445638 (550 worldwide citation)

A bipolar electrosurgical device for coagulating and cutting tissue has an elongated tubular member from which a bipolar tissue cutting forceps and cutting instrument extends at the distal end. The cutting instrument is connected to a moveable rod extending through the lumen of the tubular member. A ...


6
David J Parins: Electrosurgical instrument with extendable sheath for irrigation and aspiration. Everest Medical Corporation, Haugen and Nikolai, March 30, 1993: US05197963 (533 worldwide citation)

An electrosurgical instrument having a protective, extendable and retractable sheath or sleeve is disclosed. The sheath is disposed around and coaligned with an elongated cylindrical rod, from which extends at least one electrode. A conductor extending from the electrode is joined to a conventional ...


7
David J Parins: Bipolar instrument utilizing one stationary electrode and one movable electrode. Everest Medical Corporation, Haugen and Nikolai, March 1, 1994: US05290286 (516 worldwide citation)

An electrosurgical instrument for the removal of tissue polyps and the like is disclosed. It features a bipolar pair of conductive electrodes for the cutting of tissue in which at least one electrode is moveable in relation to the other. These electrodes are mounted relative to an insulating plug, w ...


8
Kevin K Tidemand: Combination bipolar scissors and forceps instrument. Everest Medical Corporation, Haugen and Nikolai, August 30, 1994: US05342381 (490 worldwide citation)

A hand operable bipolar combination scissors and forceps instrument. The instrument comprises two interfacing blade members wherein at least one blade member is pivotable in relation to the other blade member and wherein each blade member is an electrode to which current can flow. Each blade member ...


9
Mark A Rydell: Biopsy device with bipolar coagulation capability. Everest Medical Corporation, Haugen and Nikolai, February 4, 1992: US05085659 (484 worldwide citation)

A biopsy instrument comprises an elongated flexible tube having a sharpened metal sleeve affixed to its distal end. An anvil member is affixed to the distal end of an elongated rod or wire which fits through the lumen of the tube and which is reciprocally moveable in the longitudinal direction by ap ...


10
David J Parins, Mark A Rydell, Peter Stasz: Ablation catheter with selectively deployable electrodes. Everest Medical Corporation, Haugen and Nikolai, January 7, 1992: US05078717 (447 worldwide citation)

A RF ablation catheter for removing athero-stenotic lesions or modifying the tissue characteristics of the interior walls of selected blood vessels is described. The catheter has a distal tip member which is disposed in a working relation with the lesion to be removed during the initial placement of ...



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