JPH066170B2 - Pacemaker pacing lead - Google Patents

Pacemaker pacing lead

Info

Publication number
JPH066170B2
JPH066170B2 JP21703391A JP21703391A JPH066170B2 JP H066170 B2 JPH066170 B2 JP H066170B2 JP 21703391 A JP21703391 A JP 21703391A JP 21703391 A JP21703391 A JP 21703391A JP H066170 B2 JPH066170 B2 JP H066170B2
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JP
Japan
Prior art keywords
pacing
lead
shape
electrode
pacing lead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP21703391A
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Japanese (ja)
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JPH0549701A (en
Inventor
中島  博
直 横倉
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中島 博
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Priority to JP21703391A priority Critical patent/JPH066170B2/en
Publication of JPH0549701A publication Critical patent/JPH0549701A/en
Publication of JPH066170B2 publication Critical patent/JPH066170B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、人体に植え込む恒久的ペースメーカに使用するペーシング・リードあるいは一時的ペーシング用体外式ペースメーカに使用する一時的ペーシング・リードに関するものである。 The present invention relates to relates to temporary pacing leads for use in pacing leads or temporarily pacing external pacemaker used in permanent pacemaker implanted in the human body.

【0002】 [0002]

【従来の技術】ペースメーカは、心臓の内面に電極を取付け、離れた部位に置いた発信装置(ジェネレータ)から一定時間間隔で繰り返し電極を介して心臓に電流を流す装置である。 BACKGROUND ART pacemakers, attach the electrode to the inner surface of the heart is a device for flowing a current to the heart through the repeated electrode at predetermined time intervals from the transmitter placed to distant sites (generator).

【0003】心房ペーシングは、恒久的ペーシングでは、電極付きリードを右心耳に挿入する方法、右心房壁や心房中隔に接触させる方法(スクリュウイン電極)が用いられ、また一時的ペーシングでは右心耳に挿入させる方法が一般的である。 [0003] Atrial pacing, the permanent pacing method of inserting the electrode lead with the right atrial appendage, the method of contacting the right atrial wall and atrial septum (screw WIN electrode) is used, also the right atrial appendage is a temporary pacing how to insert into is common. しかし電極の固定性は不良で、 But fixing of the electrode is poor,
挿入困難な症例や、早期の電極移動による閾値上昇によりペーシングを断念せざるを得ないことが少なくない。 Insert and difficult cases, not rare that forced abandoned pacing by a threshold rise due to electrode movement early.

【0004】処置のための一時的ペーシングでは、右心耳や右心房壁に接触させる方法以外に、経食道的ペーシングや、冠静脈洞から左心房付近に電極を挿入する方法が行われている。 [0004] In the temporary pacing for the treatment, in addition to the method of contacting the right atrial appendage and the right atrial wall, and transesophageal pacing method of inserting the electrode in the vicinity of the left atrium from the coronary sinus is performed. しかし、留置部位の問題より、長期のペーシングには不適である。 However, from the problem of placement site, it is not suitable for long-term pacing. 心房心室ペーシングでは、 In atrial ventricular pacing,
心房と心室に2本の電極付きリードを挿入する方法が一般的である。 Method of inserting two electrodes with lead atria and ventricles are common. 一時的ペーシングでは、一本のリードで心房及び心室壁に電極付きリードを接触させるものが製品化されているが、患者の体動などで容易に電極移動を起こす欠点がある。 The temporary pacing, although those contacting the atrial and electrode lead with the ventricular wall with a single lead is commercialized, there is a disadvantage of causing easily electrode moves such as patient motion.

【0005】 [0005]

【本発明が解決しようとする課題】本発明は、ペーシング・リードの電極を上大静脈右心房接合部付近の上大静脈内壁あるいは右心房内壁に接触させることができるようにすることを課題としている。 [Present SUMMARY OF THE INVENTION The present invention, as a problem to be able to contact the electrodes of the pacing lead vena cava inner wall or the right atrium inner wall on the near top vena cava right atrial junction there.

【0006】 [0006]

【課題を解決するための手段】本発明のペースメーカのペーシング・リードは、所定の形状を復元できる可撓性樹脂で導線を被覆し、所定の螺旋等の特種形状部を形成し、所定の箇所に前記導線を露出して電極とした手段によって、上記課題を解決している。 Means for Solving the Problems The pacemaker pacing lead of the present invention is to coat the wire with a flexible resin which can restore a predetermined shape, to form a special-shape portion such as a given spiral, predetermined portions wherein the described means as to expose the lead electrodes, which solves the above problems in the.

【0007】前記所定の螺旋等の特種形状部にスタイレット又は形状記憶合金を挿入して伸ばすことが好ましい。 [0007] It is preferred to stretch by inserting a stylet or shape memory alloy in the special-shape portion such as the predetermined helix.

【0008】 [0008]

【実施例】図1から図6までを参照して、本発明のペースメーカのペーシング・リードの実施例について説明する。 EXAMPLES Referring to FIGS. 1 to 6, a description will be given of an embodiment of a pacemaker pacing lead of the present invention.

【0009】図1、2に示すように、本発明のペーシング・リード1は螺旋形状部11、直線部12、13、電極端子部14、電極部15からできている。 [0009] As shown in FIGS. 1 and 2, pacing lead 1 of the present invention is made of spiral shaped portion 11, straight portions 12 and 13, the electrode terminal portions 14, the electrode portion 15.

【0010】ペーシング・リード全体は可撓性を有し、 [0010] The overall pacing lead is flexible,
螺旋形状部11は直線状に引き伸ばすこともできるが外力を除去すると元の螺旋形状に復元する。 Although the helically shaped portion 11 can also be stretched in a straight line to restore to its original helical shape upon removal of the external force.

【0011】ペーシング・リード1は、図5に示すように導線16のまわりに可撓性樹脂17で被覆したものからできている。 [0011] pacing lead 1 is made from those covered by the flexible resin 17 around the conductor 16 as shown in FIG. 必要に応じて被覆樹脂17中に後述する形状記憶合金2もしくはスタイレット3を設けるか、または、導線16の内部の穴に形状記憶合金2もしくはスタイレット3を挿入してもよい。 Or providing a shape memory alloy 2 or stylet 3 will be described later in the coating resin 17 as needed, or may be inserted shape memory alloy 2 or stylet 3 inside the hole of the conductor 16.

【0012】電極15および電極端子14は導線16に電気的に接続されている。 [0012] electrode 15 and the electrode terminals 14 are electrically connected to the conductor 16. 電極15は、リード1の先端部および螺旋形状部11に1箇所または数箇所に設けられる。 Electrode 15 is provided at one position or several positions in the tip and the spiral shaped portion 11 of the lead 1.

【0013】図3は螺旋等の特種形状部で螺旋以外の形状の例を示す。 [0013] Figure 3 shows an example of a shape other than spiral in special-shaped portion of the spiral, and the like. (A)図はΩ形状を、(B)図はα形状を、(C)図は連続複数巻螺旋形状を、(D)図は直線部12、13に垂直面内に巻いた形状をしめす。 The (A) figure Ω shape, the (B) Figure α shape, indicating the (C) drawing a plurality of continuous windings helically shaped, (D) drawing wound in a vertical plane in the straight portions 12 and 13 form .

【0014】 [0014]

【作用】図1、2に示すように、本発明のペーシング・ [Action] As shown in FIGS. 1 and 2, the pacing of the present invention
リード1は、その中間を螺旋形状部11に形成する。 Lead 1 forms the intermediate spiral-shaped portion 11. この形状螺旋等の特種形状部は図3に示すように各種形状があるが、原則として上大静脈右心房接合部付近の上大静脈内壁あるいは右心房内壁4(図6)に電極15を接触設置可能な形状になつている。 While special-shape portion such as the shape spiral has various shapes as shown in FIG. 3, the vena cava inner wall or the right atrium inner wall on the near the superior vena cava right atrial junction in principle 4 contact the electrode 15 (FIG. 6) and summer in can be installed shape. 挿入時は、ペーシング・リード1をスタイレット3で、ほぼ直線状にし、目的の挿入位置に設置した後(X線透視下)スタイレット3 During insertion, the pacing lead 1 stylet 3, substantially linearly, after setting the insertion position of the object (X-ray fluoroscopy under) stylet 3
を抜くことにより、所定の形状に復元させる。 By removing the causes restored to a predetermined shape.

【0015】この復元させる材質としては医療用として適したポリウレタン、シリコンゴム、フッソ系ゴム等の可撓性樹脂が好ましい。 [0015] Polyurethanes suitable as a medical as the material for this restoration, silicone rubber, flexible resin such as fluorine-based rubber is preferable. この材料を予め所定の形状に製造したり、またはペーシングリード内腔や素材、肉厚の中に埋め込み螺旋等の特種形状に設置する。 Or to produce this material in advance into a predetermined shape, or a pacing lead lumen and materials installed in special-shape such as embedded spiral in the wall thickness. スタイレット3の代わりに温度(36℃〜38℃)で形状を復元する形状記憶合金または形状記憶樹脂2を用いてもよい。 Stylet 3 may be used a shape memory alloy or a shape memory resin 2 to restore the shape at a temperature (36 ℃ ~38 ℃) instead of.
これは、設定温度以外ではフレキシブルな状態にあるので、容易にリードを伸ばすことができる。 Since this is a flexible state other than the set temperature can be extended easily lead.

【0016】この形状記憶合金または樹脂等2はペーシングリード1の全体または一箇所もしくは数箇所設けてもよい。 [0016] The shape-memory alloy or resin 2 may be provided all or one place or several places of the pacing lead 1. ペーシングリード1の螺旋部11の直径は患者に合わせて任意の直径に設定可能である。 The diameter of the pacing lead 1 of the spiral portion 11 can be set to any diameter to fit the patient. 一般的には、 In general,
5〜80mm位が適当である。 5~80mm position is appropriate.

【0017】 [0017]

【発明の効果】本発明のペーシング・リードによれば、 According to the pacing lead of the present invention,
リードの螺旋等の特種形状部により電極が上大静脈右心房接合部付近の上大静脈内壁あるいは右心房内壁に円滑に接触し、長期の安定した心房ペーシングが可能である。 Smoothly contact the vena cava inner wall or the right atrium inner wall on the vicinity of the electrode is superior vena cava right atrial junction by special-shape portion such as a lead of the spiral, it is possible long-term stable atrial pacing. またリードの螺旋等の特種形状部から先端までの距離を調節することにより、リード先端を心室(房)まで挿入可能であるため、リード先端に電極を設けることにより、一本のペーシング・リードにより心房心室2腔ペーシングも可能となる。 Also by adjusting the distance from the scoop-shaped part such as a lead of the spiral to the tip, since it is possible inserting the lead tip to the ventricle (bunch), by providing the electrodes on the lead tip, the single pacing leads atrioventricular dual chamber pacing also becomes possible.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明のペーシング・リードの平面図である。 FIG. 1 is a plan view of a pacing lead of the present invention.

【図2】図1のII−II線から見た正面図である。 2 is a front view seen from the line II-II of FIG.

【図3】図1リードの螺旋等の特種形状部の各種変形例を示す平面図である。 3 is a plan view showing various modified examples of special-shaped portion of the spiral or the like of FIG. 1 lead.

【図4】リードの一部の平面図である。 FIG. 4 is a plan view of a portion of the lead.

【図5】図4のV−V線からみた横断面図である。 5 is a cross-sectional view from line V-V in FIG.

【図6】本発明のペーシング・リードの使用例を示す説明図である。 6 is an explanatory diagram showing an example of the use of pacing lead of the present invention.

【符号の説明】 DESCRIPTION OF SYMBOLS

1:ペーシング・リード 2:形状記憶合金 3:スタイレット 4:上大静脈内壁 11:螺旋等の特種形状部 12,13:直線部 14:電極端子部 15:電極 16:導線 17:可撓性樹脂 1: pacing lead 2: the shape memory alloy 3: stylet 4: superior vena cava inner wall 11: scoop spiral like shaped portion 12, 13: straight portion 14: electrode terminal 15: electrode 16: conductive wire 17: flexible resin

Claims (3)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 ペースメーカのペーシング・リードにおいて、所定の形状を復元できる可撓性樹脂で導線を被覆し、所定の螺旋等の特種形状部を形成し、所定の箇所に前記導線を露出して電極となしたペーシング・リード。 1. A pacemaker for pacing leads, and covering the conductor with flexible resin that can restore a predetermined shape, to form a special-shape portion such as a predetermined helix, to expose the conductive wire at a predetermined position pacing leads without the electrode.
  2. 【請求項2】 前記螺旋等の特種形状部にスタイレットを挿入して伸ばすことを特徴とした請求項1に記載のペーシング・リード。 2. A pacing lead of claim 1 which is characterized in that stretch by inserting a stylet into special-shape portion such as the helix.
  3. 【請求項3】 前記所定の螺旋等の特種形状部に形状記憶合金を挿入して伸ばすことを特徴とした請求項1に記載のペーシング・リード。 3. A pacing lead of claim 1 which is characterized in that stretch by inserting a shape memory alloy in the special-shape portion such as the predetermined helix.
JP21703391A 1991-08-28 1991-08-28 Pacemaker pacing lead Expired - Fee Related JPH066170B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21703391A JPH066170B2 (en) 1991-08-28 1991-08-28 Pacemaker pacing lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21703391A JPH066170B2 (en) 1991-08-28 1991-08-28 Pacemaker pacing lead

Publications (2)

Publication Number Publication Date
JPH0549701A JPH0549701A (en) 1993-03-02
JPH066170B2 true JPH066170B2 (en) 1994-01-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP21703391A Expired - Fee Related JPH066170B2 (en) 1991-08-28 1991-08-28 Pacemaker pacing lead

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001245864A (en) * 2000-01-27 2001-09-11 Biosense Webster Inc Catheter with mapping assembly

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US5680860A (en) * 1994-07-07 1997-10-28 Cardiac Pathways Corporation Mapping and/or ablation catheter with coilable distal extremity and method for using same
EP0951920B1 (en) 1998-04-22 2004-10-20 BIOTRONIK Mess- und Therapiegeräte GmbH & Co Ingenieurbüro Berlin Electrode cable for attachement to a vessel wall
US6129750A (en) * 1999-03-23 2000-10-10 Cardiac Pacemakers, Inc. Fixation mechanism for a coronary venous pacing lead
JP2001029480A (en) 1999-07-23 2001-02-06 Terumo Corp Electrode lead implanted in organism
US6584362B1 (en) 2000-08-30 2003-06-24 Cardiac Pacemakers, Inc. Leads for pacing and/or sensing the heart from within the coronary veins
EP1339361B1 (en) 2000-11-29 2011-08-03 Cochlear Limited Pre-curved cochlear implant electrode array
AUPR364601A0 (en) 2001-03-12 2001-04-12 Cochlear Limited Curved cochlear implant electrode array
AUPR408001A0 (en) 2001-03-29 2001-04-26 Cochlear Limited Laminated electrode for a cochlear implant
DK1329672T3 (en) 2002-01-17 2007-02-05 Hitachi Ltd Energy Collection System and System operating method
US7653438B2 (en) * 2002-04-08 2010-01-26 Ardian, Inc. Methods and apparatus for renal neuromodulation
US8805546B2 (en) 2004-09-07 2014-08-12 Hearworks Pty, Ltd Cochlear electrode with precurved and straight sections
US7949409B2 (en) * 2007-01-30 2011-05-24 Cardiac Pacemakers, Inc. Dual spiral lead configurations
US7917230B2 (en) 2007-01-30 2011-03-29 Cardiac Pacemakers, Inc. Neurostimulating lead having a stent-like anchor
US20080183265A1 (en) * 2007-01-30 2008-07-31 Cardiac Pacemakers, Inc. Transvascular lead with proximal force relief
US8244378B2 (en) * 2007-01-30 2012-08-14 Cardiac Pacemakers, Inc. Spiral configurations for intravascular lead stability
WO2008149289A2 (en) * 2007-06-04 2008-12-11 Koninklijke Philips Electronics, N.V. Insertion system and lead for treatment of a target tissue region
US20090088827A1 (en) * 2007-10-02 2009-04-02 Cardiac Pacemakers, Inc Lead assembly providing sensing or stimulation of spaced-apart myocardial contact areas
CN102711902B (en) * 2009-09-23 2015-09-16 湖区制造公司,商用名湖区医药 Type pacing lead, guidewire
WO2013047015A1 (en) * 2011-09-28 2013-04-04 テルモ株式会社 Lead-securing means and medical device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001245864A (en) * 2000-01-27 2001-09-11 Biosense Webster Inc Catheter with mapping assembly

Also Published As

Publication number Publication date
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