An instrument for use in endoscopic biopsy procedures comprising biopsy forceps which utilize a simple and cost effective construction. The apparatus of the invention eliminates the use of an outer housing and utilizes a simplified hinge assembly in conjunction with simple activation of the biopsy jaws....http://www.google.fr/patents/US5373854?utm_source=gb-gplus-shareBrevet US5373854 - Biopsy apparatus for use in endoscopy
