Biopsy needle

Details Biopsy needle Biopsy needle

1988-09-21

1989-10-17

Hindenburg, Max

Surgery

Truss

Pad

128305, 301131, 30280, 30316, A61B 1000

Patent

active

048739910

ABSTRACT:
A biopsy needle, for sampling tissue and the like, including a sidewall defining a hollow interior and a sharpened end. The needle has a lanced section which is formed from material of the sidewall itself and defines a rearwardly sloping, rearwardly facing blade disposed within the hollow interior of the needle. Tissue is sampled per insertion of the needle by severing the tissue with the sharpened end, passing the tissue into the hollow interior and slicing the tissue off by rotating the blade through 360 degrees. The sliced off sample is securely held by the blade as the needle is withdrawn.

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patent: 3577979 (1971-05-01), van der Gaast
patent: 3683892 (1972-08-01), Harris
patent: 4209903 (1980-07-01), Owens
patent: 4600014 (1986-07-01), Beraha
patent: 4649918 (1987-03-01), Pegg et al.
patent: 4733671 (1988-03-01), Mehl

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