1
William T Spreigl, Douglas N Hess, Henri G Heynen, Chester I Struble, Paulus C von Venrooij: Apparatus and method for fixing electrodes in a blood vessel. Medtronic, Reed A Duthler, Harold R Patton, December 12, 2000: US06161029 (267 worldwide citation)

Endocardial implantable cardiac leads are disclosed for applying electrical stimulation to and/or sensing electrical activity of the heart at one or more distal electrode positioned at a cardiac implantation site within a cardiac vessel adjacent to and at a desired orientation to the left ventricle ...


2
Vicki L Bjorklund, John L Sommer, Douglas S Hine, Charles J Love, Douglas N Hess, Nicolaas M Lokhoff: Deployable medical lead fixation system and method. Medtronic, Michael C Soldner, Carol F Barry, Girma Wolde Michael, September 12, 2006: US07107105 (90 worldwide citation)

An improved medical lead assembly and method of use is provided. The lead assembly includes a lead body, and a spring member positioned adjacent to the lead body. The spring member may be deployed a selectable amount to maintain the lead body in a fixed location within a patient's body. The spring m ...


3
Douglas N Hess, Stanton D Myrum, Michael J Ebert: Multi-component lead body for medical electrical leads. Medtronic, Reed A Duthler, Harold R Patton, October 19, 1999: US05968087 (79 worldwide citation)

A medical electrical lead having an elongated lead body carrying a conductor therein, the lead body being formed of an inner sleeve of a first, relatively more rigid plastic and an outer sheath of a second, relatively less rigid plastic, the inner sleeve having a tubular portion and having outwardly ...


4
David A Casavant, Douglas N Hess: Lead system for providing electrical stimulation to the Bundle of His. Medtronic, Daniel G Chapik, Girma Wolde Michael, April 11, 2006: US07027876 (73 worldwide citation)

Methods and endocardial screw-in leads for enabling provision of electrical stimulation to the heart, particularly the His Bundle in the intraventricular septal wall. An endocardial screw-in lead having a distal end coupled to a retractable fixation helix wherein a distal portion of the fixation hel ...


5
Phong D Doan, James E Upton, Douglas N Hess, Wayne R Bass, Keith A Ufford: Connector for multiconductor pacing leads. Medtronic, April 16, 1991: US05007435 (61 worldwide citation)

A cardiac pacing lead having a plurality of individually insulated conductors arranged as a multifilar coil. The lead includes a connector assembly and a ring electrode assembly, each of which are optimized for use in conjunction with conductors arranged in the form of a multifilar coil. The connect ...


6
Douglas N Hess: Injection molded in-line connector assembly for bipolar leads. Medtronic, Reed A Duthler, John L Rooney, Joseph F Breimayer, February 25, 1986: US04572605 (48 worldwide citation)

An in-line connector assembly for use with electrode leads employing plural, coaxial, coiled conductors. The connector assembly includes a connector ring, a connector pin, and an insulating sleeve separating the connector ring and connector pin. The insulating sleeve is molded to the connector ring ...


7
Jeffrey G Falk, Douglas N Hess, John L Sommer: Active fixation medical electrical lead. Medtronic, Carol F Barry, December 28, 2010: US07860580 (46 worldwide citation)

A medical electrical lead includes a proximal insulation segment, a distal insulation segment, a conductor extending within the proximal and distal segments, and an electrode coupled to the conductor and disposed in proximity to a distal end of the distal insulation segment. A fixation element of th ...


8
Elisabeth L Belden, Eric V Blaha, Eric H Bonde, Ryan Cobian, Steven D Goedeke, Gregory J Haubrich, Douglas N Hess, Nels D Nerison, John L Sommer, David L Thompson, Jonathan C Werder: Enhanced method and apparatus to identify and connect a small diameter lead with a low profile lead connector. Medtronic, Girma Wolde Michael, Michael C Soldner, November 22, 2005: US06968235 (29 worldwide citation)

The present invention provides a practical, multi-polar, in-line connector system for use in connecting implantable medical devices (IMD) and associated non-standard, low profile medical electrical leads. In addition, the present invention provides a system that uses tool less, frictional, sealed, c ...


9
William J Clemens, Douglas N Hess, Michael L Freiborg: Introducer catheter lead delivery device with collapsible stylet lumen. Medtronic, Girma Wolde Michael, April 22, 2003: US06551269 (15 worldwide citation)

An introducer catheter used to deliver an endocardial cardiac electrode has a stylet lumen which collapses upon removal of the stylet to allow for more clearance for the lead and connector to pass when the catheter is removed after lead placement. The collapsible stylet lumen permits the introducer ...


10
Douglas N Hess, Richard D Sandstrom, Michael A Ruff, Rodica V Ruta: Medical electrical lead. Medtronic, Reed A Duthler, Harold R Patton, September 7, 1999: US05948015 (13 worldwide citation)

A medical electrical lead having an electrode head with an internal lumen mounted to a proximal portion of the lead body and a rotatable fixation helix advanceable from the internal lumen. The helix is mounted to a rotatable shaft which is provided with a central shaft portion and circumferential sh ...