IP Library Granted Patent US 8,606,370
Granted Patent B2
US 8,606,370 · App. 12/837,976 · Granted Dec 10, 2013

Connection element for conduction coil

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Quick Facts
Patent No.
US 8,606,370
App. No.
12/837,976
Granted
Dec 10, 2013
Kind
B2
Abstract

One aspect is a medical electrode system including a conduction coil and a stimulation electrode. The stimulation electrode encompasses a base body having a top area and an end area. The system is characterized in that the conduction coil encompasses a connection element. The connection element is thermally shrink-fitted onto the end area.

Claims (27)

1. A medical electrode system comprising:

a conduction coil; and

a stimulation electrode;

wherein the stimulation electrode encompasses a base body comprising a top area and an end area;

characterized in that the conduction coil encompasses a connection element;

wherein the connection element is assembled from a plurality of loops of the conduction coil through which electrical pulses are transmitted by an implantable medical apparatus; and

wherein the connection element is directly thermally shrink-fitted onto the end area thereby creating a positive connection therewith and the difference of melting temperatures of the connection element and the end area is at least 1000° C.

2. The medical electrode system according to a to claim 1 , characterized in that an inner diameter of the connection element is adapted to an outer diameter of the end area, so as to thermally shrink-fit the conduction coil onto the stimulation electrode in a connection situation.

3. The medical electrode system according to claim 1 , characterized in that the conduction coil and/or the connection element encompasses MP-35.

4. The medical electrode system according to claim 1 , characterized in that the end area and/or the connection element are embodied in a cylindrical manner.

5. The medical electrode system according to claim 1 , characterized in that the connection element enters into a non-positive and/or positive connection with the stimulation electrode.

6. A method for producing a medical electrode system according to claim 1 , including connecting a conduction coil to a stimulation electrode, comprising:

changing by means of a thermal impact at least one from the group comprising an inner diameter of a connection element, of the conduction coil, and of an outer diameter of an end area of the stimulation electrode;

sliding the connection element onto the end area; and

shrink-fitting the connection element onto the end area by reaching a thermal balance.

7. The method according to claim 6 , characterized in that a plurality of loops of the conduction coil are welded to one another, at least in part, for forming the connection element.

8. A method for connecting a conduction coil to a stimulation electrode, the method comprising:

assembling a connection element from a plurality of loops of the conduction coil, the connection element having a melting temperature;

heating an inner diameter of the connection element of the conduction coil;

sliding the connection element onto an outer diameter of an end area of the stimulation electrode, the stimulation electrode having a melting temperature; and

cooling the connection element so as to shrink-fit the connection element directly onto the end area thereby creating a positive connection between the connection element and the end area;

characterized in that the melting temperature of the connection element is at least 1000° C. lower that the melting temperature of the stimulation electrode.

9. The method according to claim 6 , further comprising welding a plurality of loops of the conduction coil to one another, at least in part, for forming the connection element.

10. The medical electrode system according to claim 1 , wherein the difference of melting temperatures of the connection element and the end area is at least 1500° C.

11. The medical electrode system according to claim 1 , wherein the melting temperature the end area is at least 2400° C.

12. The method of claim 8 , wherein the difference of melting temperatures of the connection element and the end area is at least 1500° C.

13. The method of claim 8 , wherein the melting temperature the end area is at least 2400° C.

Assignments (3)
CHANGE OF NAME Recorded Nov 6, 2015
From: HERAEUS PRECIOUS METALS GMBH & CO. KG
To: HERAEUS DEUTSCHLAND GMBH & CO. KG
Reel/Frame 037056/0430 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 21, 2014
From: W.C. HERAEUS GMBH & CO. KG
To: HERAEUS PRECIOUS METALS GMBH & CO. KG
Reel/Frame 032973/0477 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 3, 2010
From: VOGT, CHRISTOPH; LEWANDROWSKI, LENA; SCHIBLI, STEFAN; LEITOLD, CHRISTIANE; RICHTER, RENE
To: W. C. HERAEUS GMBH
Reel/Frame 024935/0477 →