PROBLEM TO BE SOLVED: To provide a means which conforms to various sizes of blood vessels and restrains hemorrhage in a blood vessel without blocking the blood flow toward the peripheral circulation.SOLUTION: An intravascular hemostatic catheter 10 comprises: an elastically deformable part 11 provided with a plurality of wire members 33 that are spaced circumferentially, maintaining an inflated basket shape, the wire members 33 being separated from each other and the outer diameter of the central part 34 in the longitudinal direction 101 being enlarged, and elastically deforming into a deflated shape wherein the wire members 33 come close to each other and the outer diameter of the central part 34 is reduced a shaft 12 provided with the elastically deformable part 11 on the front end side thereof a catheter body 13 having a lumen 20 through which the deflated elastically deformable part 11 and the shaft 12 can pass and a hemostatic film 15 which is stretched, only at the central part 34 of the elastically deformable part 11 circumferentially with respect to the wire members 33 in the inflated shape, and which has flexibility conforming to the change in the shape of the elastically deformable part 11.COPYRIGHT: (C)2012,JPO&INPIT【課題】多様な血管の太さに追従することができ、かつ、末梢側への血流を遮断することなく血管内において止血を行うことができる手段を提供する。【解決手段】血管内止血カテーテル10は、複数の線材33が周方向に離間されつつ配置されており、各線材33が離間されて長尺方向101の中央部分34の外径が拡がった籠形状の拡張姿勢を維持し、各線材33が近接して中央部分34の外径が縮んだ収縮姿勢に弾性的に変形する弾性変形部11と、弾性変形部11が先端側に設けられたシャフト12と、収縮姿勢の弾性変形部11及びシャフト12が挿通可能なルーメン20を有するカテーテル本体13と、弾性変形部11の中央部分34においてのみ拡張姿勢における各線材33に対して周方向へ張り渡されており、弾性変形部11の姿勢変化に追従する可撓性を有する止血膜15と、を具備する。【選択図】図2
