Minimally Invasive Breast Biopsy Device

The device uses proprietary Stick Freeze technology to deliver large, precise tissue samples with fewer passes. Once in place, Cassi quickly immobilizes the lesion with a "stick freeze” that secures the targeted tissue to the biopsy needle. A cutting cannula then rotates quickly over the needle to obtain the tissue sample. Larger tissue samples are proving more reliable than fine-needle aspirations in helping doctors to accurately diagnose the nature of a lesion.

Cassi and Stick Freeze were developed by Sanarus Medical, Inc. (Pleasanton, CA, USA). When a breast lump is detected during a visit to a doctor's office, Cassi can be used to perform a biopsy immediately and with local anesthesia. This may eliminate the need to schedule a return visit to perform the biopsy and is less stressful for patients.

"Recently, Cassi proved instrumental in helping me obtain a quality tissue specimen from one of my patients,” explained Dr. Angela Soto Hamlin , a private-practice breast care surgeon in Lemoyne (PA, USA). "From this specimen I was able to make a more accurate diagnosis, one that helped me avoid the delay of scheduling her biopsy for another day or sending her to the operating room.”




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Sanarus Medical