1
Hugh Bourassa: Automatic and semi-automatic disposable biopsy needle device. Eric Karich, March 19, 2002: US06358217 (147 worldwide citation)

The biopsy needle device has an axially elongated stylet and a cannula coaxially disposed thereabout, the stylet and cannula being mounted on stylet and cannula bases that are slidably mounted within a cavity of an elongate housing. The cavity also contains a spring-loaded firing mechanism for firin ...


2
Bryan Burney, David L Schroeder, Michael E Miller: Biopsy device. EMX, Beck Michael & Beck P C, September 1, 1998: US05800389 (134 worldwide citation)

A biopsy needle device (10) is provided which includes an introducer cannula (20) defining a lumen (25) sized to receive a biopsy needle (11) therethrough and a lateral opening (24) in communication with the lumen (25) adjacent the first end (21) of the cannula (20). The invention also includes a so ...


3
Shawn K Horner, F Mark Ferguson, Donald D Solomon: Biopsy needle device. Specialized Health Products, Paul S Evans, January 10, 2006: US06984213 (120 worldwide citation)

A medical needle shield apparatus is provided that includes a first housing configured to actuate a needle cannula. A second housing is releasably engageable with the first housing. The needle cannula is disposed for slidable movement with the second housing such that the second housing is extensibl ...


4
Jamshidi Khosrow, Swaim William R, Windschitl Harold E: Biopsy technique and biopsy device. August 10, 1971: US3598108 (102 worldwide citation)

A biopsy needle device and method of using the same includes an elongate needle having a tapered distal end portion which terminates in a distal cutting edge. An elongate sleeve member is inserted into the needle and corresponds in shape and length to the needle. An elongate stylet is positioned int ...


5
George T Jones: Finger mounted core biopsy guide. Harpman & Harpman, June 22, 1993: US05220926 (69 worldwide citation)

A core biopsy guide that is removably secured to the finger of a gloved hand to position a core biopsy needle sampling device adjacent the tissue of the organ to be sampled. The biopsy guide comprises an elongated tubular open-ended sleeve portion and a funnel portion in communication therewith. The ...


6
Michael S H Chu, Yem Chin, James Bates: Biopsy needle. Boston Scientific Corporation, Fish & Richardson P C, November 23, 1999: US05989196 (60 worldwide citation)

A biopsy needle device includes an outer cannula having a pointed, tissue penetrating distal end and a side-notched stylet located within the cannula. The stylet and cannula are axially movable with respect to each other. The stylet is constructed from a solid rod having a notch near the distal end. ...


7
Allan Darr, Dan C Ireland: Biopsy needle device. Proact, Woodard Emhardt Naughton Moriarty & McNett, July 23, 1996: US05538010 (43 worldwide citation)

A biopsy needle device includes a needle assembly (30) sequentially driven by a spring loaded drive mechanism (44). The needle assembly (30) includes an outer cannula (12) through which a stylet (14) is slidably projected to cut and capture a core of the diagnostic tissue. The cannula (12) and style ...


8
Paolo Avaltroni: Automatic biopsy needle device. Gallini S R L, Nims Howes Collison Hansen & Lackert, November 23, 1999: US05989197 (32 worldwide citation)

A biopsy needle device includes a stem slidably inserted into a cannula. Both the stem and the cannula are slidably supported by a box-shaped case. The box-shaped case houses a first movable assembly; a second movable assembly; a charging mechanism associated to the first and the second movable asse ...


9
Avaltroni Paolo: Automatic biopsy needle device. Gallini S R L, December 23, 1998: EP0884977-A1 (8 worldwide citation)

A biopsy needle device comprises a stem (3) slidably inserted into a cannula (4), both of them being slidably supported by a box-shaped case (5), which encloses: a first movable assembly (7), supporting the cannula (4) and subject to a first spring (8); a second movable assembly (11), supporting the ...


10
Horner Shawn K, Ferguson F Mark, Solomon Donald: Biopsy needle device. Specialized Health Products, Horner Shawn K, Ferguson F Mark, Solomon Donald, EVANS Paul S, August 11, 2005: WO/2005/072621 (3 worldwide citation)

A medical needle shield apparatus (100) is provided that includes a first housing (52) configured to actuate a needle cannula (4). A second housing (106) is releasably engageable with the first housing (52). The needle cannula (4) is disposed for slidable movement with the second housing (106) such ...