Patent ID: 9717603
Date: 2017-08-01
CPC Classifications: A61B,A61F

Claim:
1. An implantable device for cervical facet fusion, comprising: an elongate main body having a central channel and extending between a first, leading end and a second, trailing end, the first, leading end terminating into a tapered nose, a plurality of cutting fins extending in a helical direction along the length of the elongate main body, the cutting fins being configured to scrape away bone tissue as the device is inserted into bone, the elongate body further including a plurality of grating holes extending along the length of the elongate main body, each of the grating holes being configured as a through-hole in communication with the central channel and having a corresponding curved, raised cover extending thereover, each cover having a sharp cutting edge for scraping tissue as the device is inserted into bone and the grating holes being configured to receive the scraped bone tissue; wherein the shape of the cutting fins is different than the shape of the covers, and at least some of the grating holes and covers are located between the cutting fins.