Enhanced lubricity guidewire

Details Enhanced lubricity guidewire Enhanced lubricity guidewire

1996-08-01

1998-05-12

Hindenburg, Max

Surgery

Diagnostic testing

Flexible catheter guide

A61B 500

Patent

active

057498377

ABSTRACT:
This invention is a surgical device. It is a guidewire for use in a catheter and is used for accessing a targeted site in a lumen system of a patient's body. The guidewire or guidewire section may be of a stainless steel or a high elasticity metal alloy, preferably a Ni--Ti alloy, having specified physical parameters. The guidewire is especially useful for accessing peripheral or soft tissue targets. A special variation of the inventive guidewire includes the coating of the wire with a tie layer and then with a one or more lubricious polymers to enhance its suitability for use within catheters and with the interior of vascular lumen.

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Kikuchi et al., "A new guidewire with kink-resistant core and low-friction coating" Cardiovasc. Intervent. Radiol. (1989) 12:107-109.

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