JP1634917S

JP1634917S - catheter

Info

Publication number: JP1634917S
Application number: JP2019000826F
Authority: JP
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2019-06-24
Anticipated expiration: 2039-06-24

Abstract

本物品は、カテーテルであり、より具体的には、心臓病の診断や治療に好適に使用される電極カテーテルである。この電極カテーテルは、血管を通って心腔内に挿入可能なカテーテル本体と、カテーテル本体の基端に接続され、カテーテル本体を制御する制御ハンドルと、を有する。カテーテル本体には、電位計測用電極と除細動用電極との組合せをそれぞれ含む複数の電極群が、部分的に配設されているが、カテーテル本体は、電極群が配設されている部分も含めてほぼ全長にわたり可撓性を有するように構成されている。複数の電極群は、互いに分離して配置されたＲＡ電極群及びＣＳ電極群を含む。電極群の基本単位は、互いに隣り合って配置された一対の電位計測用電極と、一対の電位計測用電極を挟むように配置された一対の除細動用電極と、を含む。先端側の除細動用電極と先端側の電位計測用電極との間隔をＡとし、先端側の電位計測用電極の長さをＢとし、電位計測用電極間の間隔をＣとし、基端側の電位計測用電極の長さをＤとし、基端側の電位計測用電極と基端側の除細動用電極との間隔をＥとすると、Ａ：Ｂ：Ｃ：Ｄ：Ｅ＝１：２：１：２：１である。This article is a catheter, and more specifically, an electrode catheter preferably used for diagnosis and treatment of heart disease. The electrode catheter has a catheter body that can be inserted into the heart chamber through a blood vessel and a control handle that is connected to the proximal end of the catheter body and controls the catheter body. A plurality of electrode groups including a combination of a potential measurement electrode and a defibrillation electrode are partially arranged on the catheter body, but the catheter body also has a portion on which the electrode group is arranged. It is configured to have flexibility over almost the entire length including. The plurality of electrode groups include RA electrode groups and CS electrode groups arranged separately from each other. The basic unit of the electrode group includes a pair of electrodes for potential measurement arranged adjacent to each other and a pair of electrodes for definement arranged so as to sandwich the pair of electrodes for potential measurement. The distance between the defibrillation electrode on the tip side and the potential measurement electrode on the tip side is A, the length of the potential measurement electrode on the tip side is B, the distance between the potential measurement electrodes is C, and the base end side. Let D be the length of the potential measurement electrode, and E be the distance between the potential measurement electrode on the proximal end side and the defibrillation electrode on the proximal end side. 1: 2: 1.