Proximal end ( 202 ) , a distal end ( 203 ) , a body ( 201 ) having a hole formed through the middle ( 210 ) , and image made ??the central axis through the middle ( 250 ) of the body guide device including a protruding member coupled to the distal end ( 205 ) , (200 ) . The outer diameter of the body is larger than the outer diameter of the protruding member . In addition , the projecting member does not interfere with the path defined by the hole . .近位端(202)、遠位端(203)、中を通って形成された穴(210)、および中を通って画成された中心軸(250)を有する本体(201)と、本体の遠位端に連結された突出部材(205)と、を含むガイド装置(200)。本体の外径は、突出部材の外径よりも大きい。さらに、突出部材は、穴によって画成される経路を妨げない。