Patent ID: 6083237
Filing Date: 2000-07-04
Classification: A61B

Abstract:
A surgical instrument for excising a targeted tissue mass to be biopsied from adjacent bodily tissue on a surgical patient, said instrument comprising:a) an elongated tube having proximal and distal ends, and when said instrument is positioned to excise the targeted tissue mass, the proximal end of said elongated tube is positioned externally of the surgical patient and the distal end of said elongated tube is positioned adjacent the targeted tissue mass;b) a tissue penetrating spiral having a spiral lumen therethrough, said spiral mounted within said elongated tube for rotational movement therein; andc) a spiral core received within said spiral lumen, said spiral core having a plurality of spaced-apart spiral grooves thereon;wherein when the distal end of said elongated tube is positioned adjacent the targeted tissue mass and said spiral is rotated, said spiral penetrates distally into the targeted tissue mass and the targeted tissue mass or a portion thereof is received in said spiral lumen to facilitate excising the targeted tissue mass or the portion thereof to be biopsied from the adjacent bodily tissue.