Medical electrode

• US 5,489,215 A
• Filed: 10/06/1994
• Issued: 02/06/1996
• Est. Priority Date: 08/27/1993
• Status: Expired due to Fees

• Current Assignee: Micron Medical Products Incorporated
• Original Assignee: Micron Medical Products Incorporated
• Inventors: Wright, Richard A.
• Primary Examiner(s): Schwartz, Larry I.
• Assistant Examiner(s): WITTELS, DANIEL NMN
• Application Number:
  US08/319,233
• Time in Patent Office: 488 Days
• Field of Search: 439/86, 439/909, 128/641
• US Class Current: 439/86
• CPC Class Codes: A61B 2562/0215 Silver or silver chloride containing
• CPC Class Codes: A61B 2562/0217 Electrolyte containing
• CPC Class Codes: A61B 5/25 Bioelectric electrodes therefor
• CPC Class Codes: A61B 5/257 using adhesive means, e.g. adhesive pads or tapes
• CPC Class Codes: A61B 5/265 containing silver or silver chloride
• CPC Class Codes: A61B 5/266 containing electrolytes, conductive gels or pastes
• CPC Class Codes: A61B 5/268 containing conductive polymers, e.g. PEDOT:PSS polymers
• CPC Class Codes: A61B 5/274 using snap or button fasteners

Abstract

A medical electrode having a resilient terminal press fit onto an eyelet. The eyelet is plastic and has a conductive coating thereon. The terminal is made of a resilient nonmetallic composition, such as a polypropylene blend loaded with carbon fiber. An electrolyte composition is spread upon the bottom of the eyelet for making electrical contact with the skin of a patient. The eyelet, the terminal and the electrolyte composition are preferably all at least translucent to x-rays.

Claims

1. A terminal for use on a medical electrode comprising:

an annular disc having a hole therein;

a hollow stud having a crown portion and a base portion, the crown portion being larger in circumference than the base portion and the base portion extending up from said disc and encircling the hole; and

said disc and said hollow stud being integrally formed of a resilient polyproplylene composition loaded with a conductive material.

2. The terminal of claim 1 wherein the conductive material comprises carbon fiber.

3. The terminal of claim 2 wherein the resilient polypropylene composition is loaded with at least about 20% by weight of carbon fiber.

4. The terminal of claim 1 wherein the resilient polypropylene composition is at least translucent to x-rays.