Patent ID: 7448993

Claim:
A gastrointestinal tract examining apparatus comprising: a capsular endoscope which examines the gastrointestinal tract; a flexible tube; a connecting portion arranged on the capsular endoscope, and a flexible string which is inserted in the flexible tube and releasably engages the connecting portion to connect the flexible tube to the capsular endoscope; wherein the flexible tube is separated from the capsular endoscope by detaching the flexible string from the connecting portion, and wherein the connecting portion is a through-hole which is arranged to the capsular endoscope, and the capsular endoscope is detachably connected to the tube by inserting the flexible string in the through-hole, and wherein the peripheral portion of the through-hole has a sharp portion which cuts the flexible string by towing the flexible string with a force of a certain level or more, or has a thin portion which will break, or which will fall down from the peripheral portion of the through-hole by towing the flexible string with force of a certain level or more.