Disposable non-invasive stimulating electrode set

• US 4,895,169 A
• Filed: 02/09/1988
• Issued: 01/23/1990
• Est. Priority Date: 08/08/1980
• Status: Expired due to Term

• Current Assignee: Kimberly-Clark Worldwide Incorporated (Kimberly-Clark Corporation)
• Original Assignee: Darox Corporation
• Inventors: Heath, Roger L.
• Primary Examiner(s): Kamm, William E.
• Assistant Examiner(s): SHAY, DAVID M
• Application Number:
  US07/150,509
• Time in Patent Office: 714 Days
• Field of Search: 128/419 D, 128/639, 128/798, 128/803
• US Class Current: 607/142
• CPC Class Codes: A61B 18/16 Indifferent or passive electrodes for grounding
• CPC Class Codes: A61N 1/046 Specially adapted for shock therapy, e.g. defibrillation
• CPC Class Codes: A61N 1/048 Electrodes characterised by a specific connection between lead and electrode
• CPC Class Codes: A61N 1/0488 Details about the lead
• CPC Class Codes: A61N 1/0492 Patch electrodes A61N1/0412, A61N1/0428 take precedence
• CPC Class Codes: A61N 1/3931 Protecting, e.g. back-up systems
• CPC Class Codes: G09B 23/286 for scanning or photography techniques, e.g. X-rays, ultrasonics

Abstract

Stimulating electrodes, such as defibrillation or pacing electrodes, are constructed utilizing a metal and its chloride, preferably tin and stannous chloride. The electrodes are relatively large and sufficiently flexible to substantially conform to the area of the body on which they are placed. An electrically conductive medium, such as a saline gel, is placed over a conductive plate having at least a surface formed substantially of tin, to which a quantity of stannous chloride is affixed. In a preferred form, the stimulating electrodes are provided as a disposable set.

Claims

1. A disposable stimulating electrode set for non-invasively stimulating a human patient comprising:

(a) first and second electrode element means for conveying electrical energy from a stimulating device to the body of the patient, each of said electrode means comprising;

a flexible electrically conductive plate, the flexibility of said plate permitting it to substantially conform to the area of a patient'"'"'s body to which the electrode element is attached, said plate having a size large enough to convey stimulating energy to the body of the patient while minimizing the risk of burning the patient in high energy stimulation, an outer surface of said conductive plate being formed of an electrically conductive metal, a chloride of said electrically conductive metal being affixed to said outer surface of said metal to provide enhanced monitoring capability through the same electrode element used for stimulation,

(b) a flexible insulating base to which said conductive plate is secured, the flexibility of said base permitting it to substantially conform to an area of a patient'"'"'s body with said conductive plate,

(c) an electrically conductive medium secured in the electrode element between said electrically conductive plate and the skin of the patient for enhancing electrical energy transfer between said conductive plate and the patient, and

(d) adhesive means secured to the electrode element for releasably attaching the electrode element to the patient;

connecting plug means; and

first and second conducting lines to connect said first and second electrode elements, respectively, to said connecting plug means, each conducting line having one end electrically connected to said conductive plate of its associated electrode element, said connecting plug means adapted to connect said electrode element to a stimulating device, either directly or by connection to an intervening cable.

2. A disposable stimulating electrode set as claimed in claim 1 wherein:

said electrically conductive metal is tin; and

said chloride is stannous chloride.