11
Madhavan Pisharodi: Multi-axis internal spinal fixation. Perumala Corporation, Mark R Wisner, March 12, 2002: US06355038 (165 worldwide citation)

A multi-axis correction washer for use with a spinal stabilizer for internal spinal fixation. The bodies of the washer are provided in cylindrical and wedge-shaped cylindrical configurations with a hole in the center of the longitudinal axis of the cylinder and/or offset from the center axis of the ...


12
Madhavan Pisharodi: Method and apparatus for spondylolisthesis reduction. Mark R Wisner, December 16, 1997: US05697977 (129 worldwide citation)

Method and apparatus for reduction of spondylolisthesis involving the insertion of an elongate implant which is split longitudinally into two side-by-side members, one of which is movable relative to the other, into the disk space between two misaligned vertebrae. Each of the members is provided wit ...


13
Madhavan Pisharodi: Apparatus for spondylolisthesis reduction. Mark R Wisner, February 11, 1997: US05601556 (114 worldwide citation)

An apparatus for reduction of spondylolisthesis involving the insertion of an elongate implant which is split longitudinally into two side-by-side members, one of which is movable relative to the other, into the disk space between two misaligned vertebrae is disclosed. Each of the members is provide ...


14
Madhavan Pisharodi: Cervical disk and spinal stabilizer. Mark R Wisner, July 24, 2001: US06264655 (96 worldwide citation)

A middle expanded, removable disk implant for stabilizing adjacent cervical vertebrae. The implant is substantially rectangular in cross-sectional shape with a minimal height and a width greater than the height. The implant is detachably mounted to an applicator for insertion into the anatomical reg ...


15
Madhavan Pisharodi: Self-retaining bolt for internal spinal stabilizers. Perumala Corporation, Mark R Wisner, December 30, 2003: US06669697 (96 worldwide citation)

A multi-axis correction washer for use with a spinal stabilizer for internal spinal fixation. The body of the washer is provided in cylindrical and wedge-shaped cylindrical configurations with a passage through the center axis of the longitudinal axis of the cylinder and/or offset from the center ax ...


16
Madhavan Pisharodi: Rotating, locking intervertebral disk stabilizer and applicator. Mark R Wisner, October 30, 2001: US06309421 (84 worldwide citation)

A middle expanded, removable disk implant for stabilizing adjacent vertebrae. The implant is substantially rectangular in cross-sectional shape with a minimal height and a width greater than the height. The implant is detachably mounted to an applicator for insertion into the anatomical region betwe ...


17
Madhavan Pisharodi: Plate system for bridging and stabilizing spaced apart bone segments. Perumala Corporation, Jackson Walker L, June 11, 2002: US06402755 (32 worldwide citation)

A medical appliance adapted to bridge and stabilize spaced apart bone segments having outside, ledge and inside surfaces. The appliance has an elongate bottom plate, an elongate top plate, and a locking member. The bottom plate is attachable to the ledge surface of the bone and has a bottom base pla ...


18
Madhavan Pisharodi: Method and apparatus for stabilizing adjacent vertebrae. Perumala Corporation, Jackson Walker, July 11, 2006: US07074240 (24 worldwide citation)

A method and apparatus for stabilizing adjacent vertebrae. Upper and lower interlocking brackets are insertable in a prepared intervertebral space between adjacent vertebrae. The brackets are affixed to the vertebrae at attachment plates. A rib on one side of one bracket interlocks with a rib receiv ...


19
Madhavan Pisharodi: Total artificial disc. Perumala Corporation, D Ambrosio & Menon PLLC, July 9, 2013: US08480742 (11 worldwide citation)

An artificial disc prosthesis having load-bearing characteristics that mimic those of the normal, healthy intervertebral disc so as to provide resist flexion and axial compression of the spine in a way that preserves normal spinal function. The disc prosthesis includes three main components, a frame ...


20
Madhavan Pisharodi: Method of inserting, rotating and releasing a spring-loaded artificial disk. Wisner & Associates, February 1, 2011: US07879095 (10 worldwide citation)

A rotating, locking, spring-loaded disk implant for stabilizing adjacent vertebrae. The implant is substantially rectangular in cross-sectional shape with minimal height and maximal width. The implant is inserted into the space between two adjacent vertebrae from which a portion of the intervertebra ...