1
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 ...


2
Paul C Nardella, Thomas A Wrublewski: Catheter positioning system. American Cardiac Ablation Co, Nutter McClennen & Fish, August 31, 1999: US05944022 (185 worldwide citation)

A system for detecting the position of a catheter in a patient includes three sets of reference electrodes, with one set disposed on each of the mutually orthogonal X, Y and Z axes. A signal processor measures the differential voltage indicative of impedance between a detection electrode disposed on ...


3
Paul C Nardella, Thomas A Wrublewski: Catheter positioning system. American Cardiac Ablation Co, Nutter McClennen & Fish, April 18, 2000: US06050267 (120 worldwide citation)

A system for detecting the position of a catheter in a patient includes three sets of excitation electrodes, with one set disposed in each of three intersecting axes. A signal processor measures a voltage indicative of impedance between a detection electrode disposed on the catheter and each of the ...


4
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 ...


5
Paul C Nardella, Thomas A Wrublewski, Piush Vidyarthi, Trinh N Nguyen, Dai T Ton, Steven R Bacich: Selectively coated electrosurgical instrument. Medical Scientific, Conceptus, Nutter McClennen & Fish, June 6, 2000: US06071283 (96 worldwide citation)

An electrosurgical instrument having an active electrode with a portion that is coated with an insulative material. An exposed portion of the electrode is effective to treat tissue while the insulative coating minimizes energy dissipation into surrounding isotonic solution.


6
Paul C Nardella, Thomas A Wrublewski, Piush Vidyarthi, Trinh N Nguyen, Dai T Ton, Steven Bacich: Electrosurgical instrument. Medical Scientific, Conceptus, Nutter McClennen & Fish, June 27, 2000: US06080152 (63 worldwide citation)

An electrosurgical instrument includes an electrode assembly having an electrode mechanically interlocked with a non-conductive body to as to form a gap therebetween. In one embodiment, complimentary surface features of the respective electrode and the non-conductive body interlock the components of ...


7
Paul C Nardella, John F Cvinar, Thomas A Wrublewski: Electrosurgical rotating cutting device. Medical Scientific, Nutter McClennon & Fish, August 24, 1999: US05941876 (58 worldwide citation)

An electrosurgical apparatus includes a rotary, tissue affecting device in the form of one or more rotating blades, a rotating drill, or a rotating shaving/abrading device that serves as an active, energy delivering electrode. The active electrode effectively cuts tissue at the surgical site without ...


8
Paul C Nardella, Joseph D Feeney, Thomas A Wrublewski, Anthony W Gonsalves: Canister and removable battery pack unit therefor. Codman & Shurtleff, Richard J Rodrick, July 10, 1979: US04160857 (37 worldwide citation)

A canister for a removable battery comprises a receptacle for receiving the battery therein. The battery is insertable so that its electrical terminals are upwardly facing and exposed for contact. A cover is provided for enclosing the battery in the receptacle and electrical contacts are associated ...


9
Paul C Nardella, Joseph D Feeney, Thomas A Wrublewski, Anthony W Gonsalves: Battery charger. Codman & Shurtleff, Donal B Tobin, October 7, 1980: US04227140 (23 worldwide citation)

An improved battery charger of the type having a housing with a source of electrical energy therein suitable for recharging units capable of being electrically recharged. The housing includes a plurality of cavities each arranged to accommodate a unit to be recharged, and each cavity has electrical ...


10
Paul C Nardella, Kevin M Allaire, Thomas A Wrublewski: Electrosurgical instrument having a segmented roller electrode. Medical Scientific, Nutter McClennen & Fish, July 20, 1999: US05925040 (17 worldwide citation)

An electrosurgical instrument includes a roller electrode segmented into conductive and non-conductive portions. When the electrode is rolled over a treatment site, the region of the electrode that contacts the site receives current from an energy source and the non-contacting region of the electrod ...