PROBLEM TO BE SOLVED: To fix an access port to a biological membrane such as a pericardium in a state that the biological membrane is penetrated.SOLUTION: An access port 1 includes: a cylindrical member 2 having a through-hole 2a that penetrates in an axial direction a pointed end 3c directed to the rear end side of the cylindrical member 2 a needle-like member 3 disposed on the outer surface of the cylindrical member 2 and an operation means 4 for switching between a state in which the pointed end 3c is projected and a state in which the pointed end 3c is not projected.COPYRIGHT: (C)2014,JPO&INPIT【課題】心膜のような生体膜に対して、該生体膜を貫通した状態で固定する。【解決手段】軸方向に貫通する貫通孔2aを有する筒状部材2と、該筒状部材2の後端側に向けた尖端3cを備え、筒状部材2の外面に取り付けられた針状部材3と、尖端3cを突出させた状態と突出していない状態とを切り替える操作手段4とを備えるアクセスポート1を提供する。【選択図】図1
