CATHETER AND METHOD OF MANUFACTURING CATHETER

To provide technique for improving rotation transmission property of a catheter comprising a plurality of inner tubes.SOLUTION: The catheter comprises: an outer tube; a first inner tube inserted in the outer tube; a second inner tube inserted in the outer tube and circumscribed with the first inner...

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Bibliographic Details
Main Author KANEKO YOSHIO
Format Patent
LanguageEnglish
Japanese
Published 27.05.2021
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
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Summary:To provide technique for improving rotation transmission property of a catheter comprising a plurality of inner tubes.SOLUTION: The catheter comprises: an outer tube; a first inner tube inserted in the outer tube; a second inner tube inserted in the outer tube and circumscribed with the first inner tube; a circumscription part which is formed at a part of the inner surface of the outer tube and where the first and second inner tubes are circumscribed; and an internal protrusion part projecting toward a gap from the outer tube.SELECTED DRAWING: Figure 2 【課題】複数のインナーチューブを備えるカテーテルにおいて、カテーテルの回転伝達性を向上させる技術を提供する。【解決手段】カテーテルは、アウターチューブと、アウターチューブに挿入された第１インナーチューブと、アウターチューブに挿入された第２インナーチューブであって、第１インナーチューブと外接する第２インナーチューブと、アウターチューブの内表面の一部に形成され、第１インナーチューブと第２インナーチューブとが外接する外接部と、アウターチューブと、の空隙に向けて突出する内部突起部と、を備える。【選択図】図２
Bibliography:Application Number: JP20190211022