Device for securing and positioning a wire to a needle

Details Device for securing and positioning a wire to a needle Device for securing and positioning a wire to a needle

1989-06-06

1991-04-30

Hafer, Robert A.

Surgery

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

Treating material introduced into or removed from body...

604164, 128754, A61M 3100

Patent

active

050114735

ABSTRACT:
A wire probe unit having stabilizer with a clamp and a mating cap for locking and precisely positioning a memory probe wire relative to a needle cannula having a hub with a socket at one end and a beveled point at the other end. The clamp has a guide post extending from one end thereof and a set of clamping fingers extending from an opposite end thereof. The guide post is configured to be received within the socket of the hub and the fingers are configured to captively hold the probe wire which is fed through a central bore in the stabilizer and needle cannula. The clamping fingers have tapered ends which fit into a fustro conical socket formed internally of the cap. When the stabilizer is in a retracted position, the probe wire is sheathed in the cannula needle and when the stabilizer is in its forward position, a J-shaped hook at the end of the probe wire extends outwardly from the tip of the needle a predetermined distance.

REFERENCES:
patent: 4349023 (1982-09-01), Gross
patent: 4378810 (1983-04-01), Ishizaki et al.
patent: 4616656 (1986-10-01), Nicholson et al.
patent: 4650472 (1987-03-01), Bates
patent: 4721506 (1988-01-01), Teves

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