Cassi for Sanarus

Pleasanton, California

Cassi is the first completely self-contained, fully automated, hand held single use breast biopsy device used to obtain tissue samples of breast tumors.  The entire procedure is performed through a three to four millimeter incision in the breast.   A small needle is placed directly into the tumor and once placement is confirmed, a quick “stick-freeze” immobilizes the targeted tissue, while an outer sheath automatically rotates forward and removes a large tissue sample for pathological evaluation.

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Industrial Design, Mechanical Engineering, Appearance Models, Prototypes