Title:
二つの部分からなる外側スリーブ
Document Type and Number:
Japanese Patent JP4134248
Kind Code:
B2
Abstract:
A spinal distractor for use in spinal surgery is described for temporarily positioning two adjacent vertebral bodies in selected relationship to restore the height of the disc space therebetween prior to inserting an implant into the distracted disc space.The spinal distractor comprises a body, and a disc penetrating extension extending from the body and configured to distract the adjacent vertebral bodies upon insertion into the disc space. The disc penetrating extension is adapted to bear against adjacent endplates of the two adjacent vertebral bodies, and has a first portion for bearing against one of the adjacent endplates and a second portion for bearing against the other of the adjacent endplates. The disc penetrating extension has a height no greater than the restored height of the disc space.
Inventors:
Galley Kay Michelson M. Day.
Application Number:
JP2007165520A
Publication Date:
August 20, 2008
Filing Date:
June 22, 2007
Export Citation:
Assignee:
Warsaw Orthopedic, Incorporated
International Classes:
A61B17/58; A61B17/02; A61B17/16; A61B17/70; A61B17/88; A61F2/44; A61F2/46; A61B17/17
Domestic Patent References:
| JP59078653A |
Foreign References:
| US5015247 |
Attorney, Agent or Firm:
Yu Saito
Fumihiko Ito
Fumihiko Ito