Christopher M Lambert

US Patent:

20210298733, Sep 30, 2021

Filed:

Aug 9, 2019

Appl. No.:

17/266704

Inventors:

- Pleasanton CA, US
Jeffrey D. Smith - Clayton CA, US
Christopher U. Phan - Dublin CA, US
Edward Liou - Pleasanton CA, US
Christopher Lambert - Concord CA, US
Nicholas Domek - Walnut Creek CA, US

International Classification:

A61B 17/02
A61B 17/34

Abstract:

Disclosed herein is an improved tissue retraction and direct visualization tool of a spinal surgical site, such as a site in the cervical spine, including a retractor assembly having a visualization channel, a first retractor member, and a second retractor member, the retractor assembly configured to be coupled to an actuator assembly configured to actuate the retractor assembly. In some aspects, the retractor assembly may transition from an unexpanded state for delivery to an expanded state for visualization. In some aspects, the retractor assembly is expanded with an actuator assembly. A method of using the visualization tool is also disclosed.

US Patent:

20200289285, Sep 17, 2020

Filed:

Nov 16, 2018

Appl. No.:

16/764926

Inventors:

- Pleasanton CA, US
Christopher Lambert - Oakland CA, US
Shigeru Tanaka - Half Moon Bay CA, US

International Classification:

A61F 2/44

Abstract:

According to an embodiment, a spinal implant for implantation in a spinal facet joint is disclosed. The spinal implant comprises a first plate having a first surface, a second plate having a second surface, and a biasing element having a first end and a second end, the biasing element coupled to the first surface of the first plate at the first end and the second surface of the second plate at the second end. The biasing element may be at least one of a waveform spring, a coil spring, and a flexible core. The spinal implant may be configured for use in a spinal facet joint, such as a cervical facet joint.