To provide a urinary catheter which automatically breaks when receiving unexpected tension.SOLUTION: The urinary catheter 100 includes a main conduit 1, a stereotactic balloon 2, a urinary excretion tube 3, an injection tube 4, and a detachment portion 5, wherein the main conduit 1 communicates with the urethral cavity 13 and the injection cavity 14 , At one end thereof a stereotaxic balloon 2 communicating with the injection cavity 14 is installed and at the other end a urine dividing pipe 3 communicating with the urinary urinary cavity 13 and an injection dividing tube 4 communicating with the injection cavity 14 extend And the separating portion 5 is positioned at least between a position between the introducing end 11 and the leading end 12 of the main conduit 1, a position between both ends of the urinary excretion tube 3, and a position between the opposite ends of the injection tube 4 It is formed in one position and it is installed so as to rupture when it receives a tensile force exceeding a prescribed size.(FIG.【課題】意外な引張りを受けた際に自動的に断裂する尿道カテーテルを提供する。【解決手段】主導管１と、定位バルーン２と、排尿分管３と、注射分管４と、引離し部５と、含む尿道カテーテル１００であって、主導管１が導尿腔１３及び注射腔１４を有し、その一端に注射腔１４に連通する定位バルーン２が設置され、且つ他の一端に導尿腔１３に連通する排尿分管３及び注射腔１４に連通する注射分管４が延長するように別々に接続し、引離し部５が主導管１の導入端部１１と導出端部１２の間の位置、排尿分管３の両端の間の位置、及び注射分管４の両端の間の位置の少なくとも一つの位置にて形成され、規定される大きさを超える引張力を受けたときに断裂するように設置される。【選択図】図２
