PROBLEM TO BE SOLVED: To provide a peeling device excellent in workability when collecting a blood vessel together with its peripheral tissue.SOLUTION: A peeling device 14A includes an insertion lumen 45 into which an imaging device 17 can be inserted, and is provided with a grip part 44 configured so as to be gripped by a user and a peeling member 46 disposed at the tip of the grip part 44. The peeling member 46 includes a peeling part 50 for peeling fat 74 in a living body when inserted into the living body along a blood vessel 72, and a blood vessel guide path 54 for receiving a branched blood vessel 73 from the tip of the peeling member 46 and guiding it to a base part 48 side.SELECTED DRAWING: Figure 7【課題】血管をその周辺組織とともに採取する際の作業性に優れる剥離デバイスを提供する。【解決手段】剥離デバイス１４Ａは、撮像デバイス１７が挿入可能な挿入ルーメン４５を有し、ユーザによって把持可能に構成された把持部４４と、把持部４４の先端部に設けられた剥離部材４６とを備える。剥離部材４６は、血管７２に沿って生体内に挿入される際に生体内の脂肪７４を剥離する剥離部５０と、分岐血管７３を剥離部材４６の先端部から受け入れて基部４８側へ案内する血管誘導路５４とを有する。【選択図】図７
