Localization needle assembly

Details Localization needle assembly Localization needle assembly

1990-10-10

1992-10-27

Rosenbaum, C. Fred

Surgery

Instruments

Cutting, puncturing or piercing

128754, A61B 1734

Patent

active

051585650

ABSTRACT:
A localization needle having an inner and outer needle, the outer needle having a window at the distal end and the inner needle having a barb to project out of the window upon relative axial movement of the needles. A first hub on the inner needle has axially spaced recesses to retain and locate a second hub on the outer needle. The first hub is expandable to allow motion of the second hub from a proximal to a distal position. A manually operable flexible oval within the first hub is used to expand the first hub to allow the relative movement of the second hub.

REFERENCES:
patent: 4362156 (1982-12-01), Feller, Jr. et al.
patent: 4517965 (1985-05-01), Ellison
patent: 4713057 (1987-12-01), Huttner et al.
patent: 4774948 (1988-10-01), Markham
patent: 4790329 (1988-12-01), Simon
patent: 4799495 (1989-01-01), Hawkins et al.
patent: 4931059 (1990-06-01), Markham
patent: 4953558 (1990-09-01), Akerfeldt
patent: 4986279 (1991-01-01), O'Neill

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