Tissue sampling device

Details Tissue sampling device Tissue sampling device

1989-07-31

1991-05-07

Hindenburg, Max

Surgery

Truss

Pad

A61B 1000

Patent

active

RE0335827

ABSTRACT:
A device for tissue sampling by thick needle punctuation including a needle assembly including a hollow first needle and second needle extending through the hollow first needle. The needle assembly is contained in a housing having an opening through which the needles extend. Compressed springs in the housing are caused to expand to urge the needles away from the housing during the sampling of tissue. A rod is provided extending from the housing to simultaneously place the springs in a compressed condition.

REFERENCES:
patent: 3762416 (1973-10-01), Moss et al.
patent: 3995619 (1976-12-01), Glatzer
patent: 4476864 (1984-10-01), Tezel
patent: 4570632 (1986-02-01), Woods
patent: 4600014 (1986-07-01), Beraha
patent: 4702261 (1987-10-01), Cornell et al.
patent: 4735215 (1988-04-01), Goto et al.
patent: 4776346 (1988-10-01), Beraha et al.

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