External guide wire and enlargement means

Details External guide wire and enlargement means External guide wire and enlargement means

1991-08-27

1993-05-11

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

128657, 128772, A61M 500

Patent

active

052097358

ABSTRACT:
Structure for facilitating the insertion and placement of medical apparatus into the body of a patient is disclosed which comprises a guide wire having a lumen sized to adapt about the elongated structure of needle-like means. In use, the distal end of the guide wire is placed about the needle-like means and the tip of the needle-like means is inserted through the tissue of the patient. Once inserted, the needle-like means is disassociated from the guide wire and the guide wire is advanced into the patient's body. The guide wire may have enlargement means associated therewith for enlarging or dilating the opening formed in the tissue of the patient by insertion of the needle-like means. A kit including the needle-like means and guide wire is also disclosed.

REFERENCES:
patent: 3731671 (1973-05-01), Mageoh
patent: 4534363 (1985-08-01), Gold
patent: 4545390 (1985-10-01), Leary
patent: 4553960 (1985-11-01), Lazarus et al.
patent: 4830023 (1989-05-01), De Toledo et al.
patent: 4886500 (1989-12-01), Lazarus

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