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Title: Osteosynthesis system for vertebra arthrodesis

Abstract

An osteosynthesis system for vertebral arthrodesis, having at least one vertebral compression or distraction bar capable of extending over a portion at least of the rachis; at least one vertebral anchoring member having an end head with a spherical surface, an intermediate shank and a vertebral anchoring portion; and, associated with each anchoring member, a common support for receiving, coupling and immobilizing the vertebral anchoring member and the bar, the common support including a first concave housing for receiving the bar, a second concave housing, for receiving the spherical head, and a screwthreaded member, for immobilization of the bar and the anchoring member on the support, the immobilization member having at least one nut which is screwed onto a screwthreaded portion of the support. The first housing is disposed to the exterior of the screwthreaded portion of the support and is open laterally and upwardly, in opposite relationship to the rachis, so that the bar is immobilized by a peripheral portion of the nut.

Inventors:
 [1];  [2];  [3];  [4]
  1. Reims, FR
  2. L'Etrat, FR
  3. Chaumont, FR
  4. Montpellier, FR
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
OSTI Identifier:
873079
Patent Number(s):
6086588
Assignee:
Aesculap AG & Co. KG (Tuttlingen, DE)
Patent Classifications (CPCs):
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61B - DIAGNOSIS
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
osteosynthesis; vertebra; arthrodesis; vertebral; compression; distraction; bar; capable; extending; portion; rachis; anchoring; head; spherical; surface; intermediate; shank; associated; common; support; receiving; coupling; immobilizing; including; concave; housing; screwthreaded; immobilization; nut; screwed; disposed; exterior; laterally; upwardly; opposite; relationship; immobilized; peripheral; threaded portion; spherical surface; support including; peripheral portion; common support; spherical head; /606/

Citation Formats

Ameil, Marc, Huppert, Jean, Jermann, Jean-Louis, and Marnay, Thierry. Osteosynthesis system for vertebra arthrodesis. United States: N. p., 2000. Web.
Ameil, Marc, Huppert, Jean, Jermann, Jean-Louis, & Marnay, Thierry. Osteosynthesis system for vertebra arthrodesis. United States.
Ameil, Marc, Huppert, Jean, Jermann, Jean-Louis, and Marnay, Thierry. Sat . "Osteosynthesis system for vertebra arthrodesis". United States. https://www.osti.gov/servlets/purl/873079.
@article{osti_873079,
title = {Osteosynthesis system for vertebra arthrodesis},
author = {Ameil, Marc and Huppert, Jean and Jermann, Jean-Louis and Marnay, Thierry},
abstractNote = {An osteosynthesis system for vertebral arthrodesis, having at least one vertebral compression or distraction bar capable of extending over a portion at least of the rachis; at least one vertebral anchoring member having an end head with a spherical surface, an intermediate shank and a vertebral anchoring portion; and, associated with each anchoring member, a common support for receiving, coupling and immobilizing the vertebral anchoring member and the bar, the common support including a first concave housing for receiving the bar, a second concave housing, for receiving the spherical head, and a screwthreaded member, for immobilization of the bar and the anchoring member on the support, the immobilization member having at least one nut which is screwed onto a screwthreaded portion of the support. The first housing is disposed to the exterior of the screwthreaded portion of the support and is open laterally and upwardly, in opposite relationship to the rachis, so that the bar is immobilized by a peripheral portion of the nut.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {1}
}