Hand operated guide wire advancement device

Details Hand operated guide wire advancement device Hand operated guide wire advancement device

1993-07-06

1994-11-22

Weiss, John G.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

242405, 2426153, 604164, 128772, 128657, A61M 5178

Patent

active

053664442

ABSTRACT:
A device is provided for feeding a guide wire into a hollow needle inserted into a patient's blood vessel to facilitate use of the wire for sliding a catheter over the wire into the blood vessel. The device includes an elongate coiled tube adapted to retain the wire with the wire in sliding engagement with the tube, and a discharge head coupled to one end of the tube. The head includes a guide opening adjacent the end of the tube, a platform having a surface adjacent the guide opening, and an outlet tip having a discharge opening. The platform is between the guide opening and the discharge opening the guide opening and discharge openings are proportioned to guide the wire in sliding contact with the wire and positioned to guide the wire over said surface. A depression in the platform faces the coiled tube and the depression is spaced from the end of the coiled tube sufficiently for the user to engage an index finger in the depression to stabilize the position of the device while the user pushes the wire along the surface on the platform using the thumb to thereby advance the wire out of the device.

REFERENCES:
patent: 4858810 (1989-08-01), Intlekofer et al.
patent: 4860757 (1989-08-01), Lynch et al.
patent: 4917094 (1990-04-01), Lynch et al.
patent: 5125906 (1992-06-01), Fleck

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