PUNCTURE UNIT AND MEDICAL DRAINAGE DEVICE USING THE SAME

• Main Authors: YOKOE TAKUYA, KITA MASATO
• Format: Patent
• Language: English; Japanese
• Published: 17.01.2024
• 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

To efficiently suction and remove storage liquid in body with high viscosity in a short time by means of a low invasive method with a simple and inexpensive device configuration.SOLUTION: A puncture unit comprises: a conduit tube 12 in which at least a tip thereof can be inserted to a subject, and which can be connected with a suction device 60 so as to be communicate to a tube lumen 12a on the rear side of a base end; a screw needle 22 which extends in the tube axis Ax direction to at least the base end of the conduit tube 12 from the tip opening of the conduit tube 12 in a state of being rotatable around the tube axis Ax in the tube lumen 12a of the conduit tube 12; and driving force acquisition means 21 which is located on the rear side of the base end of the conduit tube 12, is connected to a base end 22b of the screw needle and acquires driving force of rotating the screw needle 22.SELECTED DRAWING: Figure 2 【課題】簡易かつ安価な装置構成により、低侵襲な方法によって高粘度の体中貯留液を短時間で効率良く吸引除去する。【解決手段】少なくとも先端が被検体に穿刺可能であって、基端の後方において管内腔１２ａと連通するように吸引装置６０が接続可能に構成された導管１２と、導管１２の管内腔１２ａにおいて、管軸Ａｘのまわりを回転可能な状態で、導管１２の先端開口から少なくとも導管１２の基端まで、管軸Ａｘ方向に延在するスクリューニードル２２と、導管１２の基端後方に位置し、スクリューニードルの基端２２ｂに連接された、スクリューニードル２２を回転させる駆動力を取得する駆動力取得手段２１とを備えた。【選択図】図２