Biopsy needle

Surgery – Diagnostic testing – Sampling nonliquid body material

Patent

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Details

606170, A61B 1000

Patent

active

058072756

ABSTRACT:
A biopsy needle assembly and kit for acquiring a sample of tissue and method of using the same. The biopsy needle assembly includes a needle having a lumen extending therethrough and a stylet sized to extend through the lumen. A divided ergonomically shaped handle has a distal part formed around the proximal end of the needle and a proximal part formed around the proximal end of the stylet. These parts can be locked together, but only from a single right angle initial orientation with a rotation in one direction only from there to lock the two parts together. A stop ensures locked alignment. Locking the handle parts in alignment provides a known orientation between the distal ends of the needle and stylet. A Luer connector attached to the proximal end of the distal handle part is exposed only when the handle parts are disconnected for connecting either a plug or aspiration apparatus.

REFERENCES:
patent: 4655226 (1987-04-01), Scarfone et al.
patent: 4793363 (1988-12-01), Ausherman et al.
patent: 5368046 (1994-11-01), Lee
"Form and Function Go Hand in Hand", .COPYRGT.1994 Baxter Healthcare Corporation.
"Bone Biopsy Needles Reduced Patient Trauma with No-Drift Needle Design" p. 7A-4 from E-Z-EM Retail Price List, May 1, 1994.
"Bone Biopsy", p. 19, Bard Radiology Hospital Price List, Aug. 1993.
"`I` Type Sterile Single Use Biopsy Needle", Bone Marrow Aspiration/Biopsy Needle, Manan Medical Products, Inc., Mar. 1990.
"`J` Type Sterile Single Use Biopsy Needle", Bone Marrow Aspiration/Biopsy Needle, Manan Medical Products, Inc., Mar. 1990.
"Monoject.RTM. Bone Marrow Biopsy Needles and Trays", Bin #7035, Product Profile, Nov. 1990.
"Sterile, Single-Use B-D Bone Marrow Biopsy Needle Designed for Biopsy of the Iliac Crest", Reorder No. 8627, Special Procedures and Radiology/Biopsy Products Catalog, Becton Dickinson, 1993.

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