MEDICAL DEVICE

• Main Authors: YOKOMIZO YUJI, TOINAKA YASUHIRO
• Format: Patent
• Language: English; Japanese
• Published: 08.03.2018
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

PROBLEM TO BE SOLVED: To provide a medical device capable of improving penetration force for a stenosis lesion, and suppressing dimensions in a circumferential direction.SOLUTION: A medical device 8 includes an imaging core 4 for acquiring an image of a living body lumen, a first tube body 61 forming a lumen 23 for an image, a second tube body 62 forming a first guide wire lumen 24, which is provided in parallel to the first tube body on the tip side of the first tube body, a third tube body 63 forming a second guide wire lumen 25, which is provided from the tip side to the base end side of the first tube body, and a fourth tube body 64 forming a third guide wire lumen 26, which is provided from the tip side to the base end side of the first tube body. The third tube body and the fourth tube body are provided side by side with each other on the base end side of the first tube body in parallel to the first tube body, have a part inclined with respect to an axis line of the second tube body on the tip side of the first tube body, and are provided at symmetrical positions on both sides viewed from the second tube body.SELECTED DRAWING: Figure 1 【課題】狭窄病変に対する穿通力を向上させることができるとともに、周方向の寸法を抑えることができる医療用デバイスを提供すること。【解決手段】医療用デバイス８は、生体管腔内の画像を取得するイメージングコア４と、画像用ルーメン２３を形成する第１管体６１と、第１管体の先端側において第１管体と平行に設けられ、第１ガイドワイヤルーメン２４を形成する第２管体６２と、第１管体の先端側から基端側まで設けられ、第２ガイドワイヤルーメン２５を形成する第３管体６３と、第１管体の先端側から基端側まで設けられ、第３ガイドワイヤルーメン２６を形成する第４管体６４と、を備える。第３管体および第４管体は、第１管体の基端側において互いに並んで第１管体と平行に設けられ、第１管体の先端側において第２管体の軸線に対して傾斜した部分を有し第２管体からみて両側の対称位置に設けられている。【選択図】図１