The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2003
Filed:
Aug. 23, 2000
Applicant:
Inventors:
Chao-Jan Wang, Tou-Fen Town, Miaoli Hsien, TW;
Chung-Chun Yeh, Taipei, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/770 ;
U.S. Cl.
CPC ...
A61B 1/770 ;
Abstract
A spinal fixation and retrieval device has a solid main body including a cone-like body at one end thereof and a column-like body connected to a base of the cone-like body. The cone-like body has a length which is less than one third of the length of the main body. The column-like body is provided with at least two threads which are separated from each other by a distance which is at least two times the width of the base of the threads.