Patent · US Active

Tissue retraction system

US11547395B2 · kind B2 · utility

0Cited by

15References

22Claims

0Family size

Assignee

NuVasive, Inc. · US

Inventors

Byron Riemhofer · San Diego, US
Andrew Morris · San Diego, US
Steven Lillig · San Diego, US

Key dates

Filing date	Jun 18, 2020
Grant date	Jan 10, 2023
Priority date	—
Expiry date	Mar 27, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/00477
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A tissue retraction system comprising a drive gear coupled to a shaft. The tissue retraction system includes a first plurality of linking members located along a second axis and configured to rotate along the second axis based on contact with the drive gear as the drive gear is rotated. The tissue retraction system includes a linking member selector configured to rotate along the first axis, wherein the linking member selector comprises a cylindrical body integrally formed with a handle. The tissue retraction system includes a right arm assembly configured to move along a first trajectory. The tissue retraction system includes a first retractor blade coupled to the right arm assembly. The tissue retraction system includes a left arm assembly configured to move along a second trajectory. The tissue retraction system includes a second retractor blade coupled to the left arm assembly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.