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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0282140 (1999-03-31) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 675 인용 특허 : 53 |
A method is provided for removing at least one tissue sample from a surgical patient using a biopsy instrument. The biopsy instrument comprises an elongated piercer having a piercer lumen extending therethrough. The biopsy instrument further comprises a cutter rotatably and translationally positiona
A method is provided for removing at least one tissue sample from a surgical patient using a biopsy instrument. The biopsy instrument comprises an elongated piercer having a piercer lumen extending therethrough. The biopsy instrument further comprises a cutter rotatably and translationally positionable relative to the piercer. The piercer has a port for receiving and transferring the tissue portion into the piercer lumen. In one embodiment of the present invention, the method for using the biopsy instrument comprises the steps of engaging tissue in the port; translating the cutter at a first, predetermined translational speed from a first position to a second position proximal to the port; measuring the translational speed of the cutter; translating the cutter at a second, predetermined translational speed from the second position to a third position proximal to the port; translating the cutter at a third, predetermined translational speed from the third position to a fourth position distal to the port; rotating the cutter at a predetermined rotation speed; measuring the rotational speed of the cutter; and modifying the translational speed of the cutter when the rotational speed of the cutter varies from the predetermined rotational speed by more than a first, predetermined differential rotational speed.
[ What is claimed is:] [1.] A method of removing at least one tissue sample from a surgical patient using a biopsy instrument comprising an elongated piercer having a piercer lumen extending therethrough, a cutter translationally positionable relative to said piercer, and said piercer having a port
[ What is claimed is:] [1.] A method of removing at least one tissue sample from a surgical patient using a biopsy instrument comprising an elongated piercer having a piercer lumen extending therethrough, a cutter translationally positionable relative to said piercer, and said piercer having a port for receiving and transferring said tissue sample into said piercer lumen, wherein said method comprises the steps of:engaging tissue in said port;translating said cutter at a first, predetermined translational speed from a first position to a second position distal to said first position and proximal to said port;measuring the translational speed of said cutter;translating said cutter at a second, predetermined translational speed from said second position to a third position proximal to said port and distal to said second position; andtranslating said cutter at a third, predetermined translational speed from said third position to a fourth position distal to said port.
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