1
Ashok C Khandkar, Darrel S Brodke, Ramaswamy Lakshminarayanan: Total disc implant. Amedica Corporation, Kelly Lowry & Kelley, February 7, 2006: US06994727 (194 worldwide citation)

A total disc implant (TDI) is provided for total replacement of a spinal disc or discs in a human patient or other mammal, wherein the TDI is designed to maintain a substantially full range of natural motion (ROM) following implantation. The TDI generally comprises, in one preferred form, upper and ...


2
Ashok C Khandkar, Aaron A Hofmann: Electrosurgical knife. Kelly Bauersfeld Lowry & Kelley, July 8, 2003: US06589239 (160 worldwide citation)

An electrosurgical knife is provided with an improved surface coating designed for substantially non-stick hemostatic cutting of soft patient tissue. The electrosurgical knife includes a conductive knife blade adapted for connection to a suitable high frequency current source for electrocauterizing ...


3
Darrel S Brodke, Ashok C Khandkar, Mahendra S Rao, Ramaswamy Lakshminarayanan: Radiolucent spinal fusion cage. Amedica Corporation, Kelly Lowry & Kelley, September 14, 2004: US06790233 (104 worldwide citation)

An improved ceramic bone graft is provided for human implantation, particularly such as a spinal fusion cage for implantation into the inter-vertebral space between two adjacent vertebrae. The improved spinal fusion cage includes a substrate block of high strength ceramic having a selected size and ...


4
K Scott Ely, Ashok C Khandkar, Ramaswamy Lakshminarayanan, Aaron A Hofmann: Hip prosthesis with monoblock ceramic acetabular cup. Amedica Corporation, Mintz Levin Cohn Ferris Glovsky & Popeo PC, April 13, 2010: US07695521 (101 worldwide citation)

An improved hip prosthesis includes an acetabular cup bearing component constructed from a relatively hard and high strength ceramic material for articulation with a ball-shaped femoral head component which may be constructed from a compatible ceramic or metal material. In one form, the acetabular c ...


5
Joseph J Hartvigsen, Ashok C Khandkar: Thermally integrated reformer for solid oxide fuel cells. Ceramatec, Trask Britt & Rossa, November 22, 1994: US05366819 (87 worldwide citation)

A thermally integrated reformer (10) is located inside the stack furnace (12), housing stacks (14) of solid oxide fuel cells (16). The energy to support the endothermic reformation reaction converting hydrocarbon and water feedstock into hydrogen and carbon monoxide fuel is supplied by heat recupera ...


6
Ashok C Khandkar, Singaravelu Elangovan: Integrated reformer/CPN SOFC stack module design. Gas Research Institute, Dick and Harris, June 9, 1998: US05763114 (84 worldwide citation)

A thermally integrated reformer (10) is located inside the stack furnace (12) housing stacks (14) of solid oxide fuel cells (16). The energy to support the endothermic reformation reaction converting hydrocarbon and water feedstock into hydrogen and carbon monoxide fuel is supplied by heat recovered ...


7
Ashok C Khandkar, Aaron A Hofmann: Electrosurgical knife. Triad Surgical Technologies, Kelly Bauersfeld, Lowry & Kelley, June 25, 2002: US06409725 (75 worldwide citation)

An electrosurgical knife is provided with an improved surface coating designed for substantially non-stick hemostatic cutting of soft patient tissue. The electrosurgical knife includes a conductive knife blade adapted for connection to a suitable high frequency current source for electrocauterizing ...


8
Ashok C Khandkar, Aaron A Hofmann, Ramaswamy Lakshminarayanan: Metal-ceramic composite articulation. Amedica Corporation, Kelly Lowry & Kelley, April 19, 2005: US06881229 (63 worldwide citation)

A ceramic-metal composite articulation is provided with substantial elimination of wear debris, wherein a ceramic material is provided with superior mechanical properties tailored for articulating with ceramic articulations having high flexural strength (greater than about 700 MPa), high fracture to ...


9
Ashok C Khandkar, Mahendra S Rao: Radiolucent bone graft. Amedica Corporation, Kelly Lowry & Kelley, January 25, 2005: US06846327 (51 worldwide citation)

An improved ceramic bone graft is provided for human implantation, particularly such as a spinal fusion cage for implantation into the inter-vertebral space between two adjacent vertebrae. The improved spinal fusion cage includes a substrate block of high strength ceramic having a selected size and ...


10
Ashok C Khandkar, Singaravelu Elangovan, Joseph J Hartvigsen: Multiple stack ion conducting devices. Cerramatec, Trask Britt & Rossa, March 29, 1994: US05298341 (40 worldwide citation)

A modular arrangement for stacks of ion conducting electrolyte elements includes a plurality of solid state ion conducting electrolyte elements spaced apart and arranged into stacks and the stacks further arranged at regular intervals around a central plenum. A plurality of gas flow passageways are ...