a selected amount of tissue into the flexible cup so that it may e g be excised the device may also retrieve the tissue excised from the body cavity application_number US 63040509 A description the present invention provides a device and method to ensure that a selected inner portion of a body cavity is gripped so that a suspect area possibly containing a tumor as well as a small surrounding area of healthy tissue may be removed the additional amount of healthy tissue being removed is necessary to provide a safety margin portion of tissue to ensure that all of the suspect area has been cut away from the body cavity the invention also ensures that the entire tissue sample that has been cut is actually removed from the body cavity before the endoscope and associated tools are removed the invention prevents the cut tissue from falling out of the device and being left within the body cavity so that further study of the removed tissue to perform a diagnosis is possible the invention protects the cut tissue from the surrounding area while withdrawing it from the body cavity so that the sample is not contaminated by extraneous materials on the way out of the body cavity in addition the invention limits the amount of healthy tissue surrounding the suspect area that.