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公开(公告)号：US11786226B2
公开(公告)日：2023-10-17
申请号：US17168441
申请日：2021-02-05
申请人： C. R. Bard, Inc.
IPC分类号： A61B10/02
CPC分类号： A61B10/0275 , A61B10/0283 , A61B2010/0208 , A61B2010/0225
摘要： A method of using a biopsy apparatus includes moving a stylet cannula relative to a vacuum cannula between a first extended position and a first retracted position; and receiving a protrusion member within a flared portion of the vacuum cannula when the stylet cannula is in the first retracted position.
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公开(公告)号：US20210177387A1
公开(公告)日：2021-06-17
申请号：US17168441
申请日：2021-02-05
申请人： C. R. Bard, Inc.
IPC分类号： A61B10/02
摘要： A method of using a biopsy apparatus includes moving a stylet cannula relative to a vacuum cannula between a first extended position and a first retracted position; and receiving a protrusion member within a flared portion of the vacuum cannula when the stylet cannula is in the first retracted position.
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公开(公告)号：US10945713B2
公开(公告)日：2021-03-16
申请号：US16349334
申请日：2017-11-22
申请人： C. R. Bard, Inc.
IPC分类号： A61B10/02
摘要： A biopsy apparatus includes a biopsy probe assembly that is releasably attached to a driver assembly. The biopsy probe assembly has a vacuum cannula and a stylet cannula coaxially arranged. The vacuum cannula has a flared portion that extends distally from an elongate portion. The stylet cannula is movable between a first extended position and a first retracted position. The stylet cannula has a distal portion having a sample notch and a protrusion member that extends proximally in a lumen of stylet cannula along a portion of a longitudinal extent of the sample notch, wherein when the stylet cannula is in the first retracted position, the protrusion member is received within the flared portion of the vacuum cannula. The biopsy apparatus may further include a controller circuit that has a virtual energy reservoir, and the controller circuit executes program instructions to control current to motors when engaging dense tissue.
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