Biopsy needles

Details Biopsy needles Biopsy needles

2007-10-09

2007-10-09

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Sampling nonliquid body material

Reexamination Certificate

active

10901917

ABSTRACT:
In one embodiment, a biopsy needle that is particularly suited for shearing and collecting soft tissue specimens is provided and is formed of an inner tube with a snare at a distal end thereof, an outer cannula, a stylet and a handle assembly. The handle assembly includes a spring loaded mechanism that permits the user to selectively actuate the biopsy needle so that the outer cannula and the inner tube are rapidly advanced beyond the stylet to provide a shearing action of the soft tissue specimen.

REFERENCES:
patent: 5634473 (1997-06-01), Goldenberg et al.
patent: 6063037 (2000-05-01), Mittermeier et al.
patent: 7041047 (2006-05-01), Gellman et al.

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