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:
Feb. 09, 1993
Filed:
Jan. 18, 1991
Applicant:
Inventor:
Fernando A de Toledo, Concord, MA (US);
Assignee:
Boston Scientific Corporation, Watertown, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128772 ; 604164 ; 604264 ; 604282 ;
Abstract
A flexible elongated medical infusion guidewire having proximal and distal portions for delivering a pressurized fluid medicaments to a site with a body vessel. The guidewire is comprised of a helically wound coil having a polyimide sheath tightly enclosing its proximal portion, and a teflon sheath tightly covering the entire wire coil. The teflon sheath is punctured at its distal end to facilitate release of fluid therethrough. The coil is closed at its distalmost end by a ball weld.