1
Paul C Nardella, David C Yates, Jesse J Kuhns, Richard P Nuchols, Martin Madden, Steven H Mersch: Alternative current pathways for bipolar surgical cutting tool. Medical Scientific, Ethicon Endo Surgery, William C Lahive & Cockfield Geary III, July 2, 1996: US05531744 (871 worldwide citation)

A bipolar electrosurgical tool comprises a retractable cutting element movable along a cutting path and an electrical energy supply source which communicates electrical energy (e.g., radio frequency energy) through one or more energy delivering electrodes associated with a tissue affecting portion o ...


2
Thomas A Wrublewski, Kevin M Allaire, William Frey, Kevin Lemire, Paul C Nardella Sr: Seal & cut electrosurgical instrument. Medical Scientific, Nutter McClennen & Fish, January 16, 2001: US06174309 (765 worldwide citation)

An electrosurgical instrument has a handle and a body which position and close a jaw about a tissue site for simultaneously cutting and sealing relatively large tissue structures. The jaw includes an electrosurgical cutting member, which may be a blade or wire, against which tissue is biased along a ...


3
Paul C Nardella: Impedance feedback electrosurgical system. Medical Scientific, Nutter McClennen & Fish, February 3, 1998: US05713896 (645 worldwide citation)

An impedance feedback electrosurgical system is useful with electrosurgical tools to maintain a substantially constant level of current within the tissue in contact with the tool. The system comprises active and return electrodes associated with an electrosurgical tool, an impedance monitoring devic ...


4
Paul C Nardella: Electrosurgical cutting tool. Medical Scientific, Nutter McClennen & Fish, September 9, 1997: US05665085 (493 worldwide citation)

An electrosurgical tool comprises a retractable cutting element moveable along a linear cutting path and an electrical energy supply source which communicates electrical energy (e.g., radio frequency energy) through the cutting element and to tissue adjacent the cutting element. The cutting element ...


5
Paul C Nardella: Electrosurgical cutting tool. Medical Scientific, Nutter McClennen & Fish, August 20, 2002: US06436097 (444 worldwide citation)

An electrosurgical tool comprises a retractable cutting element moveable along a linear cutting path and an electrical energy supply source which communicates electrical energy (e.g., radio frequency energy) through the cutting element and to tissue adjacent the cutting element. The cutting element ...


6
Paul C Nardella, David C Yates: Bipolar electrosurgical trocar. Medical Scientific, Ethicon Endo Surgery, William C Geary III, Lahive & Cockfield, May 23, 1995: US05417687 (402 worldwide citation)

The invention provides an electrosurgical tissue penetrating probe (e.g., a trocar) for use with surgical procedures such as a laproscopy. The trocar has a stylet disposed within the housing member, having an active electrode disposed on a distal end thereof to deliver electrosurgical energy to the ...


7
Paul C Nardella, David C Yates: Electrosurgical device having a visible indicator. Medical Scientific, Ethicon Endo Surgery, Nutter McClennen & Fish, October 6, 1998: US05817091 (390 worldwide citation)

An electrosurgical system having a visual indicator is provided. In a first embodiment, the electrosurgical system includes an active electrode coupled to a power supply for providing electrosurgical energy from the power supply to a tissue area and a return electrode separated from the active elect ...


8
Paul C Nardella: Electrosurgical clip applicator. Medical Scientific, Lahive & Cockfield, May 4, 1993: US05207691 (384 worldwide citation)

A clip applicating device deploys surgical clips to ligate ducts and/or vessels during surgical procedures. While the clip is deployed the device simultaneously delivers electrosurgical energy to the affected tissue through the clip. This causes the clip and the adjacent tissue to be fused together, ...


9
Paul C Nardella: Bipolar surgical clip. Medical Scientific, Lahive & Cockfield, April 13, 1993: US05201900 (206 worldwide citation)

A bipolar electrosurgical clip is provided having two opposed prong members which are connected by a bridge member. The surface of the prong members are preferably coated with a conductive material while the bridge member is made of a highly resistive material which serves to electrically isolate th ...


10
Thomas A Wrublewski, Kevin M Allaire, Kevin P Lemire, Paul C Nardella Sr: Device for converting a mechanical cutting device to an electrosurgical cutting device. Medical Scientific, Nutter McClennen & Fish, February 27, 2001: US06193715 (99 worldwide citation)

An adapter unit for a mechanical tissue cutting implement such as a shaver, morcellator or the like includes a mounting block from which an electrically insulating sheath extends. The sheath fits over the cannula or shaft of the cutting implement, and is secured in alignment and attached so that the ...