1
Roger W Dahl, Robert W Wickham deceased, David K Swanson, David Lipson: Stent-type defibrillation electrode structures. Cardiac Pacemakers, Haugen and Nikolai, July 2, 1996: US05531779 (363 worldwide citation)

Implantable electrode structures for use in apparatus for applying electrical therapy to a patient's heart in the treatment of arrhythmias such as tachycardias and fibrillations of the heart are herein disclosed. The electrode structures are made in the form of expandable (or self-expanding) intrava ...


2
Roger W Dahl, Jayne G Fangel, David K Swanson: Subcutaneous shunted coil electrode. Cardiac Pacemakers, Haugen and Nikolai, November 22, 1994: US05366496 (318 worldwide citation)

A body implantable cardioversion/defibrillation device includes an electrically conductive lead, three lead extensions coupled to the lead through a junction body, and an electrode array consisting of three electrodes, one electrode being coupled to each of the lead extensions. Each electrode has se ...


3
Roger W Dahl, David W Mayer: Catheter assembly. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, December 24, 1985: US04559951 (299 worldwide citation)

A catheter assembly designed for long term or short term implantation in an animal body comprising a flexible tube of a biocompatible polymeric material in which plural electrical conductors are helically wound at a predetermined pitch with the conductors being laterally offset from one another and ...


4
Roger W Dahl, David K Swanson, Stephen J Hahn, Douglas J Lang, John E Heil: Subcutaneous defibrillation electrodes. Cardiac Pacemakers, Haugen and Nikolai, April 20, 1993: US05203348 (279 worldwide citation)

Implantable electrodes for defibrillation are formed of pluralities of electrode segments. Each of the segments is relatively long and narrow. The electrode segments can be parallel and spaced apart from one another a distance at least ten times the nominal width, with one end of each segment mounte ...


5
Roger W Dahl, David K Swanson, Stephen J Hahn, Douglas J Lang, John E Heil: Process for implanting subcutaneous defibrillation electrodes. Cardiac Pacemakers, Haugen and Nikolai, July 27, 1993: US05230337 (261 worldwide citation)

Implantable electrodes for defibrillation are formed of pluralities of electrode segments. Each of the segments is relatively long and narrow. The electrode segments can be parallel and spaced apart from one another a distance at least ten times the nominal width, with one end of each segment mounte ...


6
Roger W Dahl, David K Swanson, Stephen J Hahn, Douglas J Lang, John E Heil: Subcutaneous defibrillation electrodes. Cardiac Pacemakers, Haugen and Nikolai P A, February 18, 1997: US05603732 (244 worldwide citation)

Implantable electrodes for defibrillation are formed of pluralities of electrode segments. Each of the segments is relatively long and narrow. The electrode segments can be parallel and spaced apart from one another a distance at least ten times the nominal width, with one end of each segment mounte ...


7
Roger W Dahl, James D Kadera, Robert W Wickham, J Michael Hoch, John Heil: Insertion and tunneling tool for a subcutaneous wire patch electrode. Cardiac Pacemakers, Keck Mahin & Cate, April 5, 1994: US05300106 (239 worldwide citation)

A tool for subcutaneously implanting a subcutaneous electrode comprising several wire patch electrode segments by way of a single surgical incision. The tunneling tool comprises a stylet and a peel-away sheath. The tunneling tool is inserted into an incision, in a direction which corresponds to the ...


8
Robert G Hauser, Roger W Dahl, Bruce H KenKnight: Implantable intravenous cardiac stimulation system with pulse generator housing serving as optional additional electrode. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, August 28, 2001: US06280462 (218 worldwide citation)

A pulse generator housing for enclosing and containing pulse generator defibrillation circuitry. The housing is formed entirely of electrically conductive metal defining an electrically conductive outer surface which is connected to the pulse generator circuitry for delivering defibrillating energy ...


9
Roger W Dahl, David K Swanson, Stephen J Hahn, Douglas J Lang, John E Heil: Body implantable defibrillation system. Cardiac Pacemakers, Haugen and Nikolai P A, August 13, 1996: US05545202 (193 worldwide citation)

Implantable electrodes for defibrillation are formed of pluralities of electrode segments. Each of the segments is relatively long and narrow. The electrode segments can be parallel and spaced apart from one another a distance at least ten times the nominal width, with one end of each segment mounte ...


10
David K Swanson, Roger W Dahl, Douglas J Lang: Defibrillation electrode system having smooth current distribution with floating electrode. Cardiac Pacemakers, Keck Mahin & Cate, May 24, 1994: US05314459 (185 worldwide citation)

A defibrillation electrode for implantation in the region of the heart and for connection to a defibrillation system. The electrode comprises multiple independent conductive segments spaced apart for defining a discharge surface of the electrode. In one embodiment, the electrode comprises a pluralit ...