초록 ▼

A method and device for the automated biopsy and collection of soft tissue having a piercing needle with a receiving port to trap tissue prior to cutting. A motor drive directs and positions the tissue receiving port at a lesion site in arbitrary positions about and along the longitudinal axis of th

A method and device for the automated biopsy and collection of soft tissue having a piercing needle with a receiving port to trap tissue prior to cutting. A motor drive directs and positions the tissue receiving port at a lesion site in arbitrary positions about and along the longitudinal axis of the device. A cutter advances into the receiving chamber and severs tissue which has prolapsed into the receiving port. The severed tissue is then removed from the receiving port without removing the piercing needle receiving port from the lesion site, thus allowing for the accurate, rapid removal of an arbitrary number of core samples with only one insertion. A tissue sample cassette provides storage for the samples as well as a means for coding and decoding the location from which the samples were obtained. Together, these features allow for more accurate and complete sampling of large lesions, for the complete removal of small lesions or removal of other tissue for a variety of reasons.

대표청구항 ▼

[ We claim:] [1.] A biopsy instrument comprising:(a) an elongated primary hollow tube with a closed distal end;(b) a lateral tissue receiving port near said distal end of said elongated primary hollow tube, wherein said lateral tissue receiving port is configured to receive tissue;(c) a vacuum chamb

[ We claim:] [1.] A biopsy instrument comprising:(a) an elongated primary hollow tube with a closed distal end;(b) a lateral tissue receiving port near said distal end of said elongated primary hollow tube, wherein said lateral tissue receiving port is configured to receive tissue;(c) a vacuum chamber attached to said distal end of said elongated primary hollow tube;(d) at least one communicating hole between said distal end of said elongated primary hollow tube and said vacuum chamber to pull tissue into said elongated primary hollow tube; and(e) a rotatable retaining fixture coupled to said elongated primary hollow tube, wherein rotation of said fixture controls the angular orientation of the lateral tissue receiving port.