21
John R Helland, Phong D Doan, Yougandh Chitre: Implantable cardiac lead having terminating connector strain relief and method of manufacture. Pacesetter, December 30, 2003: US06671553 (19 worldwide citation)

An implantable cardiac lead includes a connector having strain relief to protect the connector from damage during removal of the connector from an associated implantable cardiac stimulation device. The lead is elongated and has a distal end, a proximal end, an electrode, and a conductor coupled to t ...


22
Konstantinos Alataris, Andre B Walker, Jon Parker, Yougandh Chitre, Sangsoo Wesley Park, James R Thacker: Selective high frequency spinal cord modulation for inhibiting pain with reduced side effects, and associated systems and methods. Nevro Corporation, Perkins Coie, October 28, 2014: US08874217 (16 worldwide citation)

Selective high-frequency spinal cord modulation for inhibiting pain with reduced side effects and associated systems and methods are disclosed. In particular embodiments, high-frequency modulation in the range of from about 1.5 KHz to about 50 KHz may be applied to the patient's spinal cord region t ...


23
Gene A Bornzin, Yougandh Chitre: Lead fixation device. Pacesetter, May 4, 2010: US07711437 (16 worldwide citation)

A lead fixation device that includes a helix having a surface, and a layer of electrically insulating material that covers one or more selected regions of the surface leaving one or more additional regions of the surface exposed. The insulating material defines one of a plurality of individual expos ...


24
Xiaoyi Min, Yougandh Chitre, Jeffery D Snell, Gene A Bornzin, Jong Kil: System and method for detecting cardiac ischemia based on T-Waves using an implantable medical device. Pacesetter, January 5, 2010: US07643872 (14 worldwide citation)

A technique is provided for detecting episodes of cardiac ischemia based on an examination of the total energy of T-waves. Since cardiac ischemia is often a precursor to acute myocardial infarction (AMI) or ventricular fibrillation (VF), the technique thereby provides a method for predicting the pos ...


25
Yougandh Chitre, Gene A Bornzin, John R Helland, Eric Falkenberg, Kevin L Morgan, Sheldon Williams, Michael Yang, Andrew W McGarvey: Cardiac access methods and apparatus. Pacesetter, February 1, 2011: US07881810 (14 worldwide citation)

A chamber or vasculature of a heart may be accessed via the pericardial space of the heart. Initially, the pericardial space may be accessed via a transmyocardial approach or a subxiphoid approach. A lead or other implantable apparatus may thus be routed into the pericardial space, through myocardia ...


26
Phong D Doan, John R Helland, Yougandh Chitre: Body implantable lead with improved tip electrode assembly. Pacesetter, July 20, 2004: US06766203 (14 worldwide citation)

A body implantable lead assembly adapted to transmit electrical tissue stimulating signals between a proximal end portion of the lead assembly and a distal end portion of the lead assembly includes an electrical conductor extending between the proximal and distal end portions of the lead assembly fo ...


27
Yougandh Chitre, Phong Doan: Stimulating electrode having low polarization and method of making same. Pacesetter, August 6, 2002: US06430448 (14 worldwide citation)

An implantable stimulating electrode for directly contacting the endocardium of a human heart exhibits low polarization values of less than about 0.3 mV and is intended for use with an implantable lead having an electrical connector coupled to the proximal end of a conductor for releasable attachmen ...


28
Gene A Bornzin, Yougandh Chitre, John W Poore: System and method for lead implantation in a pericardial space. Pacesetter, September 14, 2010: US07797059 (13 worldwide citation)

A system for pericardial lead implantation is disclosed herein. The system includes an implantation tool and a stimulation lead. The implantation tool includes a tubular body, a first lumen, a second lumen, a stylet or guidewire, a first port, and a second port. The first and second lumens longitudi ...


29
Jay Sundararajan, Ali Dianaty, Yougandh Chitre: Electric lead with controllable fixation. Pacesetter, November 16, 2010: US07835801 (13 worldwide citation)

Embodiments include electrical leads and methods of using electrical leads that may be implantable and are controllably secured to target tissue. Some embodiments may include radially extending tissue engaging members that may serve as electrodes and which may be retracted if necessary to remove emb ...


30
Cole H Chen, Phong D Doan, Yougandh Chitre, John R Helland: Method of manufacturing a drug-eluting endocardial lead utilizing silicone elastomer as a drug carrier. Pacesetter, February 6, 2007: US07174221 (13 worldwide citation)

A drug-eluting endocardial lead and method of manufacture. The silicone elastomer of the present invention is ideally suited to a manufacturing environment due to its extended pot life and decreased curing time. A preferred silicone elastomer is comprised of a multi-part mixture having at least a ba ...