Patent · US Active

Spinal-column distractor

US8277456B2 · kind B2 · utility

3Cited by

6References

13Claims

0Family size

Assignee

Ulrich GmbH & Co. KG · DE

Inventors

Susanne Pischl · Werl, DE
Thorsten Schmidt · Milpitas, US
Nikolas Willmann · Ulm, DE

Key dates

Filing date	Jul 17, 2009
Grant date	Oct 2, 2012
Priority date	—
Expiry date	Feb 24, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/0256
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A spinal-column distractor (10) comprises a first pusher plate (1) intended to bear on a vertebra, a second pusher plate (2) intended to bear on an adjacent vertebra, and a slide (3). The slide (3) is connected to the first pusher plate (1) via a scissor linkage (4), and shiftable by a threaded spindle to change a spacing between the first pusher plate (1) and the second pusher plate (2), while the second pusher plate (2) forms a track for the slide (3).

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