| abstract |
Biopsy instruments are integrated with a multi-fiber optical probe adapted to perform diagnostic measurements. In addition to being able to analyze, treat or remove tissue, such integrated devices characterize tissue by measuring the amount of scattering and absorption of light transmitted into the tissue. Each fiberoptic probe has an illuminating fiber that provides a broadband light source for transmission into tissue, and a collecting fiber that collects the light scattered by the tissue and transmits the collected light to a spectrometer. One embodiment is an endoscope-mediated tool with a jaw-type biopsy forceps and a multi-fiber optical probe which is conveyed through a hollow central channel. Another embodiment is an endoscope-mediated tool with a jaw-type biopsy forceps and a plurality of multi-fiber optical probes. Yet another embodiment is an endoscopic polypectomy-type snare catheter with a multi-fiber optical probe located at the tip. |