WO2003089051B1 - Implantable lead with coplanar contact coupling - Google Patents

Implantable lead with coplanar contact coupling

Info

Publication number
WO2003089051B1
WO2003089051B1 PCT/US2003/012363 US0312363W WO03089051B1 WO 2003089051 B1 WO2003089051 B1 WO 2003089051B1 US 0312363 W US0312363 W US 0312363W WO 03089051 B1 WO03089051 B1 WO 03089051B1
Authority
WO
WIPO (PCT)
Prior art keywords
conductor
contact
lead
coupling
implantable lead
Prior art date
Application number
PCT/US2003/012363
Other languages
French (fr)
Other versions
WO2003089051A1 (en
Inventor
Mary L Cole
Xavier Pardo
Brian T Stoltz
Original Assignee
Medtronic Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Medtronic Inc filed Critical Medtronic Inc
Priority to AU2003223678A priority Critical patent/AU2003223678A1/en
Priority to DE60326222T priority patent/DE60326222D1/en
Priority to EP03719873A priority patent/EP1496984B1/en
Publication of WO2003089051A1 publication Critical patent/WO2003089051A1/en
Publication of WO2003089051B1 publication Critical patent/WO2003089051B1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/909—Medical use or attached to human body
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147—Assembling terminal to base
    • Y10T29/49151—Assembling terminal to base by deforming or shaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49181—Assembling terminal to elongated conductor by deforming

Abstract

An implantable lead (30) for a medical device with a coplanar coupling (112) for connecting a conductor (34) to a contact reduces conductor bending moments to improve lead reliability. The conductor (34) is contained in the lead body (30) and extends from the lead proximal end to the distal end. The conductor (34) is also electrically insulated. The contact carried on the proximal end is electrically connected to the conductor. The coupling (112) has a conductor coupling (500) and a contact coupling (502). The conductor coupling (500) is placed over the conductor and attached to the conductor. The contact coupling (502) exits the lead body and has a weld (504) to connect the contact coupling (502) to the contact (36). The contact coupling (502) is configured to exit the conductor lumen and mate with the contact (36) while retaining the conductor coplanar to the lead body (30).

Claims

25AMENDED CLAIMS[(received by the International Bureau on 16 October 2003 (16.10.03); original claims 1-22 replaced by new claims 1-17 (3 pages)]
1. An implantable lead with a coplanar coupling for connecting a conductor to a contact, comprising: a lead body (32) having a proximal end portion (38) and a distal end portion (40); 5 at least one conductor (34) contained within the lead body (32) extending from the proximal end portion (38) to the distal end portion (40); at least one contact (36) carried on the proximal end portion (38) and electrically connected to the conductor (34), the at least one contact (36) having a channel (508); at least one contact (36) carried on the lead distal end portion (40) and electrically 0 connected to the conductor (34), the at least one contact (36) having a channel (508); and, at least one conductor coupling (112, 502) being partially placed over the conductor (34) and being attached to the conductor (34); the conductor coupling (112, 502) being placed in the channel (508) in the at least one contact (36) and having a weld (504) to connect the conductor coupling (112, 502) to the at least one contact (36), 5 wherein the conductor (34) is substantially coplanar with the contact (36) to prevent bending of the conductor (34).
2. The implantable lead as in claim 1, wherein the conductor (34) is free from a bending moment where the conductor coupling (112, 502) is attached to the conductor (34). p
3. The implantable lead as in claim 1 or 2, wherein the conductor coupling (112. 502) is substantially parallel to the lead body (32).
4. The implantable lead as in any of claims 1-3, wherein the conductor (34) 5 remains within the lead body (32) and reduces ion migration from the conductor (34) outside of the lead body (32), said conductor (34) being braided strand wire with a silver core.
5. The implantable lead as in any of claims 1-4, wherein the at least one 0 contact (36) carried on the lead distal end portion (40) comprises an electrode (36) comprising a hollow cylindrical tube with a first opening and a second opening and a channel extending along the electrode (36) substantially parallel with the lead body (32).
6. The implantable lead as in any of claims 1 -5, wherein the conductor
5 coupling (112, 502) comprises a crimp sleeve providing an aperture for receiving the conductor (34), the crimp sleeve being crimped to securely attach the conductor (34).
7. The implantable lead as in claim 1, wherem: each contact (36) comprises a hollow cylindrical tube with a first opening and a I second opening and a channel extending along the contact (36) substantially parallel with the lead body (32); each contact coupling (112, 502) comprises a crimp sleeve having a cavity for receiving a conductor (34), the crimp sleeve being crimped to securely attach the conductor (34); and the crimp sleeve is received by the channel and securely attached to the contact 15 (36), wherein the conductor (34) is substantially coplanar with the contact (36) to prevent bending of the conductor (34).
8. The implantable lead of claim 8, wherein the cavity comprises an aperture.
20 9. The implantable lead of claim 8, wherein the cavity comprises an open face slot.
10. The implantable lead as in any of claims 1-9 wherein the conductor (34) is retained in the conductor lumen (102).
25
11. The implantable lead as in any of claims 1-10 wherein the conductor coupling (112, 502) is attached to the conductor (34) by crimping.
12. The implantable lead as in claim 10, wherein the conductor (34) retained 30 within the conductor lumen reduces communication between patient tissue and the conductor (34). 27
13. The implantable lead as in claim 10 or 12, wherein the conductor (34) retained within the conductor lumen reduces ion migration from the conductor (34) outside of the lead body.
14. The implantable lead as in any of claims 1-13, wherein the conductor (34) is braided strand wire with a silver core.
15. A method for performing a coplanar connection between a conductor (34) and a contact (36) on an implantable lead, comprising: inserting a conductor (34) into a crimp sleeve cavity; crimping the crimp sleeve (112) to securely attach the conductor (34) to the crimp sleeve; inserting the crimp sleeve into a channel located on the contact (36); positioning the conductor (34) substantially coplanar with the contact (36) to prevent bending of the conductor (34); and attaching the crimp sleeve to the contact (36).
16. The method of claim 15, wherein the welding is performed substantially on a contact exterior surface for ease of manufacturing.
17. The method of claim 15 or 16, wherein the conductor (34) remaining within the lead body (32) reduces communication between patient tissue and the conductor (34).
PCT/US2003/012363 2002-04-22 2003-04-17 Implantable lead with coplanar contact coupling WO2003089051A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2003223678A AU2003223678A1 (en) 2002-04-22 2003-04-17 Implantable lead with coplanar contact coupling
DE60326222T DE60326222D1 (en) 2002-04-22 2003-04-17 IMPLANTABLE CABLE WITH COPLANAR CONTACT COUPLING
EP03719873A EP1496984B1 (en) 2002-04-22 2003-04-17 Implantable lead with coplanar contact coupling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/131,106 2002-04-22
US10/131,106 US8000802B2 (en) 2002-04-22 2002-04-22 Implantable lead with coplanar contact coupling

Publications (2)

Publication Number Publication Date
WO2003089051A1 WO2003089051A1 (en) 2003-10-30
WO2003089051B1 true WO2003089051B1 (en) 2003-12-04

Family

ID=29215556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/012363 WO2003089051A1 (en) 2002-04-22 2003-04-17 Implantable lead with coplanar contact coupling

Country Status (5)

Country Link
US (4) US8000802B2 (en)
EP (1) EP1496984B1 (en)
AU (1) AU2003223678A1 (en)
DE (1) DE60326222D1 (en)
WO (1) WO2003089051A1 (en)

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EP1496984A1 (en) 2005-01-19
US8306631B2 (en) 2012-11-06
AU2003223678A1 (en) 2003-11-03
US7856707B2 (en) 2010-12-28
EP1496984B1 (en) 2009-02-18
US20110118814A1 (en) 2011-05-19
WO2003089051A1 (en) 2003-10-30
US20030199953A1 (en) 2003-10-23
US20040019372A1 (en) 2004-01-29
DE60326222D1 (en) 2009-04-02
US8504168B2 (en) 2013-08-06
US20110288620A1 (en) 2011-11-24
US8000802B2 (en) 2011-08-16

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