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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0282142 (1999-03-31) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 913 인용 특허 : 60 |
The present invention is a control apparatus for removing at least one tissue sample from a surgical patient using a surgical biopsy device. The biopsy device comprises an elongated piercer having a piercer lumen extending therethrough, and a cutter rotatably and axially positionable relative to the
The present invention is a control apparatus for removing at least one tissue sample from a surgical patient using a surgical biopsy device. The biopsy device comprises an elongated piercer having a piercer lumen extending therethrough, and a cutter rotatably and axially positionable relative to the piercer. The piercer has a port for receiving and transferring the tissue sample into the piercer lumen. The biopsy device further comprises a rotation motor for rotating the cutter and a translation motor for translating the cutter in the axial direction. In one embodiment of the present invention, the control apparatus comprises a computing device for the coordinated control of the rotation and translation motors. The control apparatus further comprises a first sensor operationally connected to the rotation motor for supplying a rotation signal to the computing device for measuring the rotational speed of the cutter. The control apparatus further comprises a second sensor operationally connected to the translation motor for supplying a translation signal to the computing device for measuring the translational position and translational speed of the cutter. The control apparatus further comprises a first driver for driving the translation motor in response to a translation command from the computing device, and a second driver for driving the rotation motor in response to a rotation command from the computing device. The control apparatus automatically modifies the rotational speed and the translational speed of the cutter in response to the translational position and rotational resistance acting on the cutter.
[ What is claimed is:] [1.] A control apparatus for removing at least one tissue sample from a surgical patient using a surgical biopsy device comprising an elongated piercer having a piercer lumen extending therethrough, a cutter rotatably and axially positionable relative to said piercer, said pie
[ What is claimed is:] [1.] A control apparatus for removing at least one tissue sample from a surgical patient using a surgical biopsy device comprising an elongated piercer having a piercer lumen extending therethrough, a cutter rotatably and axially positionable relative to said piercer, said piercer having a port for receiving and transferring said tissue sample into said piercer lumen, said biopsy device further comprising a rotation motor for rotating said cutter and a translation motor for translating said cutter in the axial direction, wherein said control apparatus comprises:a) a computing device for the coordinated control of said rotation and translation motors;b) a first sensor operationally connected to said rotation motor for supplying a rotation signal to said computing device for measuring the rotational speed of said cutter;c) a second sensor operationally connected to said translation motor for supplying a translation signal to said computing device for measuring the translational position and translational speed of said cutter;d) a first driver for driving said translation motor in response to a translation command from said computing device; ande) a second driver for driving said rotation motor in response to a rotation command from said computing device;wherein said control apparatus automatically modifies the rotational speed and the translational speed of said cutter in response to the translational position and rotational resistance acting on said cutter.
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