Christopher O 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.