Patent · US Active

Expandable laminoplasty device

US11918265B2 · kind B2 · utility

0Cited by
26References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 2022
Grant dateMar 5, 2024
Priority date
Expiry dateJul 23, 2042

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2017/564
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An expandable laminoplasty device has a superior plate, an inferior plate, threaded or racked gear post having external threads or gear teeth, the post affixed to one of the superior plate or the inferior plate, and a gear nut or pinion gear, the gear has internal threads or external gear teeth configured to engage external threads or gear teeth of the post. The gear is held in one of the superior plate or inferior plate not affixed to the post and wherein the superior plate or inferior plate not affixed to the post has an end with a slot or channel to receive the post and a side opening to receive and hold the gear.

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