A multiple biopsy forceps and method for obtaining a biopsy are disclosed. The forceps comprises an outer tube which can be passed through a biopsy channel of an endoscope and an inner tube concentric with the outer tube and slideably received therein. The tubes slide with respect to each other to operate...http://www.google.es/patents/US5562102?utm_source=gb-gplus-sharePatente US5562102 - Multiple biopsy device
