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:
Oct. 13, 1998
Filed:
Mar. 24, 1997
Applicant:
Inventors:
Richard E Davis, Grand Rapids, MI (US);
Garey L McLellan, Henderson, NV (US);
Assignee:
Medtronic, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
600431 ; 600461 ;
Abstract
An echogenic medical needle is disclosed which comprises a tubular cannula body, a stylet received within the cannula body, and an echogenicity enhancement within the cannula for improved ultrasound imaging. Preferably, the echogenicity enhancement is on the stylet and comprises a series of annular grooves about the stylet.