JACK E ZIGLER, M.D.
Medical Practice at Parker Rd, Plano, TX

2014005, Feb 27, 2014

Jan 29, 2013

13/752923

Richard D. Guyer - Plano TX, US
Jack Zigler - Plano TX, US
Adam A. Pike - Bountiful UT, US
Randall F. Lee - Grand Prairie TX, US

AMICUS DESIGN GROUP, LLC - Grand Prairie TX

A61F 2/46

623 1716

An apparatus for inserting an intervertebral prosthesis within a spine of a mammal includes: a handle including a drive nut operating to produce rotational torque in response to user-input about a central axis; a first drive shaft including a proximal end in communication with the drive nut, receiving rotational torque therefrom, and imparting rotational torque to the first drive shaft about a first axis, which is laterally offset from the central axis; and a distal end of the first drive shaft including a first drive head; and a chuck disposed at a distal end of the tool for engaging the intervertebral prosthesis during implantation, wherein the first drive shaft extends through the chuck and the first drive head engages a first gear of the intervertebral prosthesis, such that rotation of the first gear causes rotation and deployment of a first anchoring element of the intervertebral prosthesis.

2013024, Sep 19, 2013

Feb 19, 2013

13/770511

Daniel S. Savage - Cleveland OH, US
Alan W. Rorke - Bristol, GB
Richard D. Guyer - PLANO TX, US
Jack E. Zigler - PLANO TX, US

AMICUS DESIGN GROUP, LLC - Grand Prairie TX

A61F 2/44

623 1716

A prosthesis includes: a body including a first major surface for engaging an endplate of a first vertebral bone of a spine, a second major surface for engaging an endplate of an adjacent, second vertebral bone of the spine; at least one aperture extending from within the body and opening at the first major surface; at least one anchoring element disposed within the aperture and including a shaft having proximal and distal ends; and a drive mechanism engaging the proximal end of the at least one anchoring element and operating to push the at least one anchoring element out through the at least one aperture and into the first vertebral bone, without rotating the at least one anchoring element about an axis thereof.

8500749, Aug 6, 2013

Apr 19, 2011

13/089517

Randall F. Lee - Arlington TX, US
Jack E. Zigler - Plano TX, US
Richard D. Guyer - Plano TX, US
Michael J. Mojica - Arlington TX, US

Prescient Surgical Designs, LLC - Grand Prairie TX

A61B 17/70

606 99, 606 86 A

An instrument for inserting an implant between vertebrae includes an upper and a lower ramp each having a respective proximal and a distal end. A bracket assembly is coupled to the upper and lower ramps at the proximal ends. The bracket assembly biases the upper and lower ramps closed at the distal end. A drive member has a longitudinal axis and a screw thread thereon. The drive member is disposed between the upper and lower ramps and extends through a passage in the bracket assembly. An adjustable spreader is operably coupled to the drive member and movable between the upper and lower ramps along the longitudinal axis by rotation of the drive member. The adjustable spreader separates the upper ramp from the lower ramp during forwardly movement along the longitudinal axis. An implant holder is coupled to the adjustable spreader.

2013024, Sep 19, 2013

Feb 26, 2013

13/777435

Richard D. Guyer - Plano TX, US
Jack Zigler - Plano TX, US
Adam A. Pike - Bountiful UT, US
Randall F. Lee - Grand Prairie TX, US

K2M, INC. - Leesburg VA

A61F 2/44

623 1716

A system and method for inserting an implant into a cavity is disclosed, which may include advancing an implant insertion instrument toward a pair of adjacent bodies, the implant insertion instrument having two opposed ramps, wherein each ramp has a distal tip and wherein the longitudinal axes of the opposed ramps are separated by an initial angle; inserting the distal tips of the opposed ramps between the adjacent bodies, thereby creating an initial interbody cavity between the adjacent bodies; expanding the interbody cavity while maintaining the initial angle between the longitudinal axes of the opposed ramps; placing the implant in a final location between the adjacent bodies; transferring a compressive force urging the adjacent bodies together from the opposed ramps to the implant; and extracting the implant insertion instrument from the interbody cavity.