Helical-tipped lesion localization needle device and method of u

Details Helical-tipped lesion localization needle device and method of u Helical-tipped lesion localization needle device and method of u

1991-04-02

1993-03-30

Aschenbrenner, Peter A.

Surgery

Truss

Pad

606116, 604264, 604164, A61B 1734

Patent

active

051974827

ABSTRACT:
A lesion localization and marking wire and needle assembly for marking non-palpable lesions within the body. A marking device having a helically wound coil of wire attached to an end of the shaft which is insertable into the body through a needle or cannula for rotatingly anchoring the marking device into a lesion or tumor is provided. The needle or cannula is inserted into the body with the marking device positioned therein so that when the cannula is positioned proximate to a lesion the shaft of the marker is rotated to advance the marker into the lesion to mark it for subsequent surgical procedures. A second helical wire may be provided on the shaft which cooperates with a wire guide device attached to the needle to enable the physician to determine the depth of the marking device as it anchors into the lesion. In particular, the device is provided for marking for biopsy lesions of the breast.

REFERENCES:
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patent: 3749085 (1973-07-01), Wilson et al.
patent: 4653496 (1987-03-01), Bundy et al.
patent: 4682606 (1987-07-01), DeCaprio
patent: 4935025 (1990-06-01), Bundy et al.
patent: 5059197 (1991-10-01), Urie et al.

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