Patent · US Expired

Pressure-sensing guidewire having improved torque

US6652471B2 · kind B2 · utility

3Cited by

19References

15Claims

0Family size

Assignee

Scimed Life Systems, Inc. · US

Inventors

Timothy G. J. Ehr · Elk River, US
Bruce Asmus · Minnetonka, US

Key dates

Filing date	Nov 28, 2001
Grant date	Nov 25, 2003
Priority date	—
Expiry date	Dec 24, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B5/0215
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A pressure-sensing guidewire assembly with improved stiffness and torquability is disclosed. The guidewire assembly includes an elongated tubular member having a lumen extending therethrough. The lumen receives a torque enhancing mandrel that adds stiffness and torquability to the elongated tubular member. The torque enhancing member and elongated tubular member may have an atraumatic spring tip.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.