(12) United States Patent
(10) Patent N0.: US 6,875,183 B2
Cervi (45) Date of Patent: Apr. 5, 2005 (54) BIOPSY NEEDLE 5,595,186 A 1/1997 Rubinstein et al. 6,063,037 A * 5/2000 Mittermeier et al. ...... .. 600/567 Inventgrz Paul Laurence Cervi, HO1rnWOOd 6,312,394 B1 * 11/2001 Fl6IIl1I1g, III .............. .. Egggue’ Shenfield’ Essex CM15 SQS FOREIGN PATENT DOCUMENTS ( * ) Notice: Subject to any disclaimer, the term of this GB 2 164 277 3/1986 patent is extended or adjusted under 35 OTHER PUBLICATIONS U'S'C' 154(1)) by 197 dayS' International Search Report; PCT/GB00/01003; Jun. 28, 2000; S. Hansen. (21) Appl. No.: 09/955,790 (22) Filed: s6p. 19,2001 1 ‘med by exammer (65) prior publication Data Primary Examiner—Max F. Hindenburg
Assistant Examiner—Brian Szmal
(74) Attorney, Agent, or Firm—Fish & Richardson, P.C.
Abiopsy needle for sampling bone marrow tissue, comprising a handle, and tissue sampling means comprising a sampling tube with a bore therein to receive a tissue sample, the outer surface of the sampling tube having an abrading formation extending in an axial direction along the tube, for abrading the sampled tissue, to permit the cannula tip to be laterally displaced whilst the tube is inserted into the bone marrow tissue. A biopsy needle for sampling bone marrow tissue, comprising a handle, tissue sampling means comprising a sampling tube with a bore therein to receive a tissue sample, and coupling means, separable from the needle, for coupling the needle to a rotary motor drive, whereby the needle is adaptable to both manual insertion and motorassisted insertion.
27 Claims, 9 Drawing Sheets