The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 1996
Filed:
Jul. 21, 1994
John R Byrne, Watertown, WI (US);
Jan L Como, Palatine, IL (US);
Gregory D Volan, Boulder, CO (US);
Stephen Kuehn, Franklin, WI (US);
Terrence W Snyder, Chenango Forks, NY (US);
T Michael Dennehey, Arlington Heights, IL (US);
David A Winchell, deceased, late of Fox Lake, IL (US);
Baxter International, Inc., Deerfield, IL (US);
Abstract
A bone marrow biopsy needle assembly includes an elongated tubular cannula having an axially extending lumen therethrough, and a cannula handle attached to the proximal end of the cannula, the cannula handle extending transversely to the axis of the cannula and having a cavity aligned with and open to the proximal end of the cannula. The handle is provided with a cover connected to the cannula by means of a living hinge. A stylet having a knob affixed to its proximal end which knob is sized to fit within the cavity with the stylet slidably received within the cannula lumen. The cavity is provided with projections that engage the knob to prevent relative rotation between the stylet and the cannula. A guide is provided to facilitate insertion of a stylet into the cannula for sample removal.