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Theodor Esser, Thomas E Doherty: Endoscopic biopsy forceps. Esco Precision, Scully Scott Murphy & Presser, December 19, 1989: US04887612 (451 worldwide citation)

An endoscopic biopsy forceps device incorporating a novel and unique camming arrangement for selectively opening and closing the biopsy cutting jaws of the biopsy forceps which will render the entire device of a simpler construction and reliable in operation, while concurrently making it considerabl ...


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Esser Theodor, Doherty Thomas Edward: Endoscopic biopsy forceps device. Esco Precision, SCOTT Anthony C, November 2, 1989: WO/1989/010093

An endoscopic biopsy forceps (10) device incorporating a novel and unique camming arrangement for selectively opening and closing the biopsy cutting jaws (34, 36) of the biopsy forceps (10) which will render the entire device of a simpler construction and reliable in operation, while concurrently ma ...