David C Koch

US Patent:

7666185, Feb 23, 2010

Filed:

Aug 31, 2005

Appl. No.:

11/217959

Inventors:

Christopher J. Ryan - West Chester PA, US
Sean S. Suh - Plymouth Meeting PA, US
David S. Rathbun - Gap PA, US
Christoph A Roth - West Chester PA, US
David Koch - Coatesville PA, US

Assignee:

Synthes USA, LLC - West Chester PA

International Classification:

A61B 17/80

US Classification:

606 71

Abstract:

Translational bone fixation assemblies, kits containing such assemblies, and methods of use are described herein. The described assemblies may be used in spinal fusion procedures in which a damaged or diseased disc (or part of a disc) is removed from between a pair of vertebrae and a spinal fusion spacer is placed between the vertebrae. The assemblies may be applied to an anterior portion of the affected vertebrae to span the affected disc space, and may be fixed to the vertebrae using bone screws. The assemblies may function to maintain the vertebrae aligned during the initial period following fixation in which fusion of the spacer to the adjacent vertebrae occurs. The assemblies may also function to share some of the axial spinal load applied to the fusion spacer to prevent extreme subsidence of the spacer into the vertebral body, such as where the patient has poor bone quality.

US Patent:

8262659, Sep 11, 2012

Filed:

Jan 20, 2010

Appl. No.:

12/690806

Inventors:

Christopher J. Ryan - West Chester PA, US
Sean S. Suh - Plymouth Meeting PA, US
David S. Rathbun - Gap PA, US
Christoph A Roth - West Chester PA, US
David Koch - Coatesville PA, US

Assignee:

Synthes USA, LLC - West Chester PA

International Classification:

A61B 17/56

US Classification:

606 71

Abstract:

Translational bone fixation assemblies, kits containing such assemblies, and methods of use are described herein. The described assemblies may be used in spinal fusion procedures in which a damaged or diseased disc (or part of a disc) is removed from between a pair of vertebrae and a spinal fusion spacer is placed between the vertebrae. The assemblies may be applied to an anterior portion of the affected vertebrae to span the affected disc space, and may be fixed to the vertebrae using bone screws. The assemblies may function to maintain the vertebrae aligned during the initial period following fixation in which fusion of the spacer to the adjacent vertebrae occurs. The assemblies may also function to share some of the axial spinal load applied to the fusion spacer to prevent extreme subsidence of the spacer into the vertebral body, such as where the patient has poor bone quality.

US Patent:

20050039952, Feb 24, 2005

Filed:

Aug 17, 2004

Appl. No.:

10/919271

Inventors:

John Hill - Woodbridge VA, US
Mike Brennan - Bristow VA, US
Joram Shenhar - Fairfax VA, US
David Koch - Fredericksburg VA, US
Mark Lombardo - Arlington VA, US
Benjamin Dolgin - Newington VA, US
Luis Giraldo - Fairfax VA, US

International Classification:

E21B010/40
E21B010/36

US Classification:

175057000, 175388000, 175394000

Abstract:

A helical drag bit provided with spirally/helically positioned cutting arms. The arms can create a spiral trench geometry in the sidewall of a predrilled pilot hole. The cutting arms can terminate in scoring cutting blades. The helical drag bit can be incorporated into a system and method for measuring geo-tech characteristics. The helical drag bit can be used in a system and method for improving the holding capacity of rock bolts and similar devices for use in the mining industry or in any circumstances where a particulate substrate may benefit from support. Novel rock bolts having new structures can be used with this improved hole geometry or may form such improved hole geometry.

US Patent:

20050049595, Mar 3, 2005

Filed:

Sep 2, 2004

Appl. No.:

10/932392

Inventors:

Sean Suh - Plymouth Meeting PA, US
David Rathbun - Gap PA, US
Christopher Ryan - West Chester PA, US
Christoph Roth - West Chester PA, US
David Koch - Coatesville PA, US

International Classification:

A61B017/56

US Classification:

606069000

Abstract:

Translational bone fixation assemblies, kits containing such assemblies, and methods of use are described herein. The described assemblies may be used in spinal fusion procedures in which a damaged or diseased disc (or part of a disc) is removed from between a pair of vertebrae and a spinal fusion spacer is placed between the vertebrae. The assemblies may be applied to an anterior portion of the affected vertebrae to span the affected disc space, and may be fixed to the vertebrae using bone screws. The assemblies may function to maintain the vertebrae aligned during the initial period following fixation in which fusion of the spacer to the adjacent vertebrae occurs. The assemblies may also function to share some of the axial spinal load applied to the fusion spacer to prevent extreme subsidence of the spacer into the vertebral body, such as where the patient has poor bone quality. The assemblies may also act to prevent the spacer from being expelled from the disc space during the initial post-operative period. Finally, these assemblies may be used in other parts of the body where the advantages of the assemblies are desired or applicable.

US Patent:

20120022652, Jan 26, 2012

Filed:

Jun 17, 2011

Appl. No.:

13/162954

Inventors:

Roger Berger - Oberdorf, CH
Joern Richter - Oberdorf, CH
David Koch - West Chester PA, US
Markus Kraft - Oberdorf, CH

International Classification:

A61F 2/44

US Classification:

623 1716

Abstract:

An intervertebral implant can include a pair of endplates between which is coupled a bag that is filled or is fillable with small beads or particles having smooth exterior geometries. The bead sack implant allows for articulation about various centers of rotation without a predefined neutral position.

US Patent:

20120158061, Jun 21, 2012

Filed:

Dec 16, 2011

Appl. No.:

13/327928

Inventors:

David Koch - West Chester PA, US
Simon Kamber - Oberdorf, CH
Reto Halbeisen - Dittingen, CH
Lukas Giger - Oberdorf, CH
Michael Guetlin - Oberdorf, CH
Felix Aschmann - Oberdorf, CH
Jann-Paul Suedkamp - Oberdorf, CH
Marco Messias - Oberdorf, CH
Tom Overes - Langendorf, CH
Bruno Laeng - Langendorf, CH
Roger Berger - Oberdorf, CH
Joern Richter - Oberdorf, CH

International Classification:

A61B 17/70
A61B 17/88

US Classification:

606248, 606279

Abstract:

Provided are methods and systems for enlarging a spinal canal of a vertebra. Using the methods and systems disclosed the spinal canal of the vertebra is enlarged by cutting the posterior arch portion of the vertebra to create one or two implant receiving spaces in the posterior arch portion. The cutting of the posterior arch portion is completed through a minimally invasive approach. Once cut, the detached portion of the posterior arch portion is repositioned and an implant is positioned in the implant receiving space of the posterior arch portion to thereby enlarge the spinal canal such that the spinal cord is no longer compressed. The insertion of the implant is also completed through a minimally invasive approach.

US Patent:

20120172988, Jul 5, 2012

Filed:

Jan 4, 2011

Appl. No.:

12/984511

Inventors:

Roger Berger - Oberdorf, CH
Rado Marjanovic - Haegendorf, CH
Joern Richter - Oberdorf, CH
David Koch - West Chester PA, US

Assignee:

Synthes USA, LLC - West Chester PA

International Classification:

A61F 2/44

US Classification:

623 1716

Abstract:

An intervertebral implant comprises a number of components including upper and lower endplates and one or more inserts configured to be disposed between the upper and lower endplates. Complimentary curved articulation surfaces are defined on the insert-facing surfaces of the upper and lower endplates and on the corresponding upper and lower surfaces of each of the inserts. The components of the implant articulate with respect to each other along shared articulation surfaces. At least two pairs of shared articulation surfaces are defined, each pair having a different length radius. The components of the implant can be configured with retainers, such that the implant is retained in an assembled configuration when disposed within an intervertebral space.

US Patent:

20120283782, Nov 8, 2012

Filed:

Jul 13, 2012

Appl. No.:

13/548820

Inventors:

Christopher J. Ryan - West Chester PA, US
Sean S. Suh - Plymouth Meeting PA, US
David S. Rathbun - West Chester PA, US
Christoph A. Roth - West Chester PA, US
David Koch - West Chester PA, US

International Classification:

A61B 17/88
A61B 17/80

US Classification:

606279, 606 71

Abstract:

Translational bone fixation assemblies, kits containing such assemblies, and methods of use are described herein. The described assemblies may be used in spinal fusion procedures in which a damaged or diseased disc (or part of a disc) is removed from between a pair of vertebrae and a spinal fusion spacer is placed between the vertebrae. The assemblies may be applied to an anterior portion of the affected vertebrae to span the affected disc space, and may be fixed to the vertebrae using bone screws. The assemblies may function to maintain the vertebrae aligned during the initial period following fixation in which fusion of the spacer to the adjacent vertebrae occurs. The assemblies may also function to share some of the axial spinal load applied to the fusion spacer to prevent extreme subsidence of the spacer into the vertebral body, such as where the patient has poor bone quality.