CATHETER HEATED BY MECHANICAL METHOD

• Main Authors: BRANDON J SHUMAN, CLINT FINGER
• Format: Patent
• Language: English; Japanese
• Published: 03.08.2017
• 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; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

PROBLEM TO BE SOLVED: To provide an improved device for performing mechanical heat generation.SOLUTION: There are provided a system and a method for a catheter tip end part which is heated by a mechanical method. The system comprises for example: a catheter body (110) provided in an axial direction lumen (121); a catheter tip end part (170) including a tip end part which is at least partially formed of a high friction thermal conductive material; a friction generation plug (130) provided in the axial direction lumen of the catheter tip end part, and at least partially formed of a high friction material; and a driving wire (140) coupled to a power source (180) at a proximal end, coupled to the friction generation plug at a distal end, and extending and passing through the axial direction lumen of the catheter body. The method includes making the friction generation plug perform rotation motion in the catheter tip end part, or using the driving wire for linear motion of the driving wire in the axial direction. Friction generated by motion of the friction generation plug and an inner wall of the catheter tip end part generates heat which may be transmitted to outside through the thermal conductive material.SELECTED DRAWING: Figure 1B 【課題】メカニカルな熱生成を行うための改善された装置を提供する。【解決手段】メカニカルに加熱されるカテーテル先端部のためのシステムおよび方法が提供される。このシステムは、例えば、軸方向管腔（１２１）内にあるカテーテル本体（１１０）と、少なくとも一部が高摩擦の熱伝導性材料から構成される先端部を含むカテーテル先端部（１７０）と、カテーテル先端部の軸方向管腔内に配置され、少なくとも一部が高摩擦材料から構成される摩擦生成プラグ（１３０）と、近位端で動力源（１８０）に接続され、遠位端で摩擦生成プラグに接続され、カテーテル本体の軸方向管腔を通って延びる駆動ワイヤ（１４０）とを備える。方法は、カテーテル先端部内で摩擦生成プラグを回転運動させる、または軸方向に直動させるために駆動ワイヤを使用することを含む。摩擦生成プラグとカテーテル先端部の内壁との運動によって発生する摩擦が、熱伝導性材料を介して外側へと伝達されうる熱を生成する。【選択図】図１Ｂ