1
Anthony J Melkent, David M Kahler: Multiple cannula image guided tool for image guided procedures. Surgical Navigation Technologies, Harness Dickey & Pierce, April 20, 2004: US06725080 (282 worldwide citation)

Apparatus and methods are disclosed for use within an image-guided surgical navigation system for facilitating the combined positioning and orientation of multiple surgical implements. A tool guide having multiple cannulas is tracked by a surgical navigation system in real time. Position data of the ...


2
Charles L Branch, Kevin T Foley, Thomas E Roehm III, Anthony J Melkent: Instruments and methods for minimally invasive tissue retraction and surgery. SDGI Holdings, Krieg DeVault, September 20, 2005: US06945933 (214 worldwide citation)

Methods and devices retract tissue for minimally invasive surgery in a patient. A retractor includes a working channel formed by a first portion and a second portion. The first and second portions are movable relative to one another from a first configuration for insertion that minimizes trauma to s ...


3
David Anthony Simon, Kevin T Foley, Thomas Andrew Carls, Anthony J Melkent: Trajectory storage apparatus and method for surgical navigation systems. Surgical Navigation Technologies, Harness Dickey & Pierce, July 19, 2005: US06920347 (158 worldwide citation)

Apparatus and methods are disclosed for use within an image-guided surgical navigation system for the storage and measurement of trajectories for surgical instruments. An icon representing the real-time trajectory of a tracked instrument is overlaid on one or more pre-acquired images of the patient. ...


4
Kevin T Foley, Anthony J Melkent, Catalina J Carroll: Image guided awl/tap/screwdriver. Surgical Navigation Technologies, Finnegan Henderson Farabow Garrett & Dunner L, February 1, 2000: US06021343 (137 worldwide citation)

A trackable medical instrument for use in a computer assisted image guided medical and surgical navigation systems that generate images during medical and surgical procedures, includes a guide member having an emitter array for being tracked by the system and a drive shaft contained within the guide ...


5
David Anthnoy Simon, Kevin T Foley, Thomas Andrew Carls, Anthony J Melkent: Trajectory storage apparatus and method for surgical navigation system. Surgical Navigation Technologies, Harness Dickey & Pierce, March 18, 2003: US06535756 (136 worldwide citation)

Apparatus and methods are disclosed for use within an image-guided surgical navigation system for the storage and measurement of trajectories for surgical instruments. An icon representing the real-time trajectory of a tracked instrument is overlaid on one or more pre-acquired images of the patient. ...


6
John D Pond Jr, Anthony J Melkent, Stephen Stamps, Luke Perkins: System and method for positioning a connecting member adjacent the spinal column in minimally invasive procedures. Warsaw Orthopedic, Krieg Devault, December 16, 2008: US07465306 (110 worldwide citation)

A spinal surgical system includes at least two extenders extending proximally from respective ones of first and second anchors engaged to the spinal column. A connecting member is positionable between the at least two extenders such that the connecting member extends between the at least two extende ...


7
Jonathan Dewey, Anthony J Melkent, Eric C Lange: Instruments and methods for minimally invasive tissue retraction and surgery. Warsaw Orthopedic, Krieg DeVault, January 6, 2009: US07473222 (101 worldwide citation)

Methods and devices retract tissue for minimally invasive surgery in a patient. A retractor includes a working channel formed by a first portion and a second portion. The first and second portions are movable relative to one another from a first configuration for insertion that minimizes trauma to s ...


8
Anthony J Melkent, Jonathan M Dewey: Implants with helical supports and methods of use for spacing vertebral members. Warsaw Orthopedic, October 19, 2010: US07815683 (98 worldwide citation)

The present application is directed to implants with inner and outer members positioned in a telescoping arrangement. The members may include helical supports to selectively adjust the height of the implant. The helical supports offer a large contact surface to prevent inadvertent reduction of the l ...


9
John D Pond Jr, Anthony J Melkent, Aurelien Bruneau: Instrument and method for guiding surgical implants and instruments during surgery. Warsaw Orthopedic, Krieg Devault, February 17, 2009: US07491208 (97 worldwide citation)

An apparatus is provided for guiding a surgical implant to a bone anchor during surgery. The apparatus includes a bone anchor extender releasably attachable to the bone anchor wherein the bone anchor extender clips onto a head portion of the bone anchor to assist in guiding the surgical implant to t ...


10
Keith E Miller, Stanley T Palmatier, Anthony J Melkent, William D Armstrong: Expandable interbody implant and methods of use. Warsaw Orthopedic, January 14, 2014: US08628578 (89 worldwide citation)

An intervertebral implant comprises a first component and a second component. The second component includes an actuator and a third component comprises a first ramp and a second ramp axially spaced apart from the first ramp. The third component comprises rails including at least a portion of the ram ...