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:
Jun. 01, 2004
Filed:
Aug. 02, 2000
Applicant:
Inventors:
Jeffrey P. Baldwin, Phoenix, AZ (US);
Laird Hatch, Cave Creek, AZ (US);
Assignee:
Orthopaedic Biosystems, Ltd., Inc., Memphis, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/756 ;
U.S. Cl.
CPC ...
A61B 1/756 ;
Abstract
A medical screw includes a shaft having a threaded portion and a distal guiding tip for introducing the screw into a pre-drilled implantation site. The threaded portion of the medical screw has a first series of helical threads having a first diameter and a second series of helical threads interleaved with the first series of helical thread and having a second diameter, where the first diameter is different than the second diameter. In addition, the medical screw may have a counter-rotation channel configured to receive bone growth.