Surgery – Diagnostic testing – Sampling nonliquid body material
Patent
1995-12-15
1998-09-15
Hindenburg, Max
Surgery
Diagnostic testing
Sampling nonliquid body material
606167, 606170, A61B 1000
Patent
active
058072772
ABSTRACT:
A biopsy device or hand tool for taking a sample of body tissue. The hand tool includes a stylus for forming an opening in relatively firm tissue such as the bone cortex, and a cannula formed by a pair of tubes for cutting and capturing a sample of a less firm tissue, such as bone marrow. The stylus is used initially when in the cannula and is withdrawn from the cannula after it has carved an opening in the bone cortex larger than the diameter of the outside diameter of the cannula. The cannula includes an outer elongate tube having a distal end portion with a cutting edge and opening and further includes an inner elongate tube having a distal end portion which also includes a cutting edge and opening. The tubes are rotatable relative to each other, an action which cuts off or at least partially cuts off the tissue connection which still exists to base tissue. Each of the distal end portions have tapering portions such that, when the tubes are rotated relative to each other, each of the tapering portions close off the opening of the other tube to thereby capture the body tissue sample to ensure removal of the sample from the body.
REFERENCES:
patent: 1867624 (1932-07-01), Hoffman
patent: 2198319 (1940-04-01), Silverman
patent: 2496111 (1950-01-01), Turkel
patent: 2516492 (1950-07-01), Turkel
patent: 2705949 (1955-04-01), Silverman
patent: 2919692 (1960-01-01), Ackermann
patent: 3175554 (1965-03-01), Stewart
patent: 3330268 (1967-07-01), Goldsmith
patent: 3477423 (1969-11-01), Griffith
patent: 3598108 (1971-08-01), Jamshidi et al.
patent: 3606878 (1971-09-01), Kellog, Jr.
patent: 3628524 (1971-12-01), Jamshidi
patent: 3683892 (1972-08-01), Harris
patent: 3850158 (1974-11-01), Elias et al.
patent: 3893445 (1975-07-01), Hofsess
patent: 3929123 (1975-12-01), Jamshidi
patent: 3989033 (1976-11-01), Halpern et al.
patent: 4543966 (1985-10-01), Islam et al.
patent: 5251641 (1993-10-01), Xavier
patent: 5257632 (1993-11-01), Tuckel et al.
patent: 5423824 (1995-06-01), Akerfeldt et al.
patent: 5429138 (1995-07-01), Jamshidi
Hyun et al., Fundamentals of Bone Marrow Examination, Diagnostic Hematology, Aug. 1994, pp. 651-662.
Page showing Westerman-Jensen technic for needle biopsy of bone and marrow, citing Arch. Int. Med., 114, 213, 1964.
Ahlstrom et al., CT-guided Bone Biopsy Performed by Means of a Coaxial Biopsy System with an Eccentric Drill, Radiology (journal), Aug. 1993, pp. 549-552, vol. 188.
Islam, A. et al., A New Bone Marrow Biopsy Needle With Core Securing Device, Technical Methods, 1981, pp.359-364, Great Britain.
Bone Marrow Biopsy--Aspiration Procedures: The Jamshidi Needle, 1971, five page instruction manual, U.S.A.
Hindenburg Max
Wingood Pamela L.
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