Multiple electrode strip

• US 5,341,806 A
• Filed: 03/23/1992
• Issued: 08/30/1994
• Est. Priority Date: 04/18/1991
• Status: Expired due to Term

• Current Assignee: Physio-Control Incorporated (Stryker Corporation)
• Original Assignee: Physio-Control Incorporated (Stryker Corporation)
• Inventors: Gross, Stephen W., Gadsby, Peter D., Lyster, Thomas D., Paeth, David S.
• Primary Examiner(s): Cohen, Lee S.
• Application Number:
  US07/853,006
• Time in Patent Office: 890 Days
• Field of Search: 128/639-641, 128/644, 128/665, 128/785, 128/791-793, 128/798, 128/799, 128/802, 128/803, 128/381, 128/385, 128/388, 128/389, 607/115, 607/139-141, 607/148, 607/149, 607/152, 607/153
• US Class Current: 600/393
• CPC Class Codes: A61B 2562/0215 Silver or silver chloride containing
• CPC Class Codes: A61B 5/282 Holders for multiple electrodes for introduction into the body A61B5/287

Abstract

Disclosed is an electrode strip (100) for use in electrocardiography comprising a flexible and substantially inextendible substrate (104), a plurality of conductors (114) that extend along the substrate to form a plurality of electrode sites (V₁ -V₆, RA, LA, LL, RL), and a cover layer(122) that insulates the conductors. A plurality of regions of extensibility (102) in the strip allow selective positioning of the electrode sites on a body.

Claims

1. An electrode strip for placement on a body, comprising:

a substantially inextendible substrate having a plurality of electrode sites defined on the substrate and a region of extensibility defined in the substrate between a pair of adjacent electrode sites; and

conductive means for providing an electrical path to each electrode site.

2. The electrode strip of claim 1, and further including a layer of malleable material attached to the substrate.

3. The electrode strip of claim 1, wherein the conductive means includes a plurality of spaced-apart conductors that extend to a different one of the electrode sites.

4. The electrode strip of claim 3, and further including means for coupling the conductors to the body.

5. The electrode strip of claim 4, wherein the means for coupling comprises a plurality of adhesive conductive gel pads, each of the gel pads coupling a different one of the conductors to the body.

6. The electrode strip of claim 5, wherein each conductive gel pad includes an upper surface, only a portion of which is attached to the substrate to allow the substrate to bend away from the conductive gel pad.

7. The electrode strip of claim 3, and further including a plurality of dielectric cover layers, a different one of the cover layers extending over each conductor.

8. The electrode strip of claim 3, and further including an insulating cover layer that extends over the conductors, the cover layer including a plurality of apertures extending therethrough and being positioned so that a conductor extends at least partially across each one of the apertures to form the electrode sites.

9. The electrode strip of claim 3, wherein the substrate is elongate and the conductors extend longitudinally from a first end of the substrate to each electrode site.

10. The electrode strip of claim 1, wherein each region of extensibility includes a plurality of transverse folds in the substrate.

11. The electrode strip of claim 10, wherein a cross section of each fold defines a substantially U-shaped section in the substrate.

12. The electrode strip of claim 1, wherein the electrode strip is for use with medical equipment and wherein the conductive means includes:

a plurality of electrode pads, each pad including a tabular region, with a separate pad being coupled to each electrode site; and

a plurality of separate and distinct lead wires coupleable to the medical equipment and including means for coupling the lead wires to the tabular regions of the electrode pads.

13. An electrode strip for placement on a body, comprising:

a substrate having a plurality of electrode sites defined on the substrate;

conductive means for providing an electrical path to each electrode site; and

a layer of malleable material attached to the substrate, the substrate and malleable material having a region of extensibility defined therein between a pair of adjacent electrode sites to allow selective positioning of the adjacent electrode sites on the body.

14. The electrode strip of claim 13, wherein each region of extensibility includes a plurality of transverse folds in the substrate.

15. The electrode strip of claim 14, wherein a cross section of each fold defines a U-shaped section in the electrode strip.

16. The electrode strip of claim 13, wherein the conductive means includes a plurality of spaced-apart conductors that extend along the substrate to a different one of the electrode sites.

17. The electrode strip of claim 16, and further including a plurality of dielectric cover layers, a different one of the cover layers extending over each conductor.

18. The electrode strip of claim 16, and further including an insulating cover layer that extends over the conductors, the cover layer including a plurality of apertures extending therethrough and being positioned so that a conductor extends at least partially across each one of the apertures to form the electrode sites.

19. An assembly of electrodes for placement on a body, comprising:

first and second electrode strips, each strip comprising a substrate having a plurality of electrode sites defined on the substrate, a region of extensibility defined in the substrate between a pair of adjacent electrode sites, and conductive means for providing an electrical path to the electrode sites of each electrode strip; and

means for connecting the electrode strips.

20. The assembly of claim 19, wherein each electrode strip further includes a layer of malleable material attached to the substrate of the electrode strip.

21. The assembly of claim 19, wherein the regions of extensibility of at least one of the substrates includes a plurality of transverse folds in the substrate.

22. The assembly of claim 21, wherein the folds, in cross section, resemble a U-shape.

23. The assembly of claim 19, wherein each electrode strip includes a plurality of spaced-apart conductors that extend along the substrate of each electrode strip to a different one of the electrode sites on the electrode strip.

24. The assembly of claim 23, wherein the electrode strips further include a plurality of dielectric cover layers, with a different one of the cover layers extending over each conductor.

25. The assembly of claim 23, wherein each electrode strip further includes an insulating cover layer that extends over the conductors, the cover layer including a plurality of apertures extending therethrough and being positioned so that a conductor extends at least partially across one of the apertures to form the electrode sites.

26. An electrode strip having a plurality of electrode sites, the electrode strip for placement on a body by a user, comprising:

(a) a substrate including a connector segment and upper and lower surfaces;

(b) a plurality of conductors, each conductor extending from the connector segment of the substrate, along the lower surface to an electrode site;

(c) means for insulating the conductors;

(d) a layer of malleable material attached to the upper surface of the substrate; and

(e) means, defined in the layer of malleable material, for allowing the longitudinal distance between pairs of adjacent electrode sites to be adjusted through manipulation of the strip by the user.

27. The electrode strip of claim 26, wherein the electrode strip includes six precordial electrode sites and four limb electrode sites.

28. The electrode strip of claim 26, including means for coupling the conductors to the body.

29. The electrode strip of claim 28, wherein the means for coupling includes a plurality of adhesive conductive gel pads, each of the gel pads coupling a different one of the conductors to the body.

30. The electrode strip of claim 26, wherein the means for insulating includes a plurality of dielectric cover layers, a different one of the cover layers extending over each conductor.

31. The electrode strip of claim 26, wherein the means for insulating includes an insulating cover layer that extends over the conductors, the cover layer including a plurality of apertures extending therethrough and being positioned so that a conductor extends at least partially across each one of the apertures to form the electrode sites.

32. The electrode strip of claim 26, wherein the means for adjusting the longitudinal distance between pairs of adjacent electrode sites includes a plurality of transverse folds in the substrate.

33. The electrode strip of claim 32, wherein a cross section of each fold defines a U-shaped section in the malleable material.