03964470 is referenced by 61 patents and cites 10 patents.

A percutaneous intradermal electrical connection system and implant device, the implant device including a flange and a neck extending from the flange. The neck has a cavity in its end and is provided with a lip for inhibiting the growth of epithelial or connective tissue over the neck cavity. A connecting device is partially housed within the neck cavity and allows a lead connected to the implant device to rotate through 360.degree.. The entire surface of the implant device may be electrically conductive and connected to the lead or, alternatively, the implant device may be provided with a separate electrode portion with the remainder of its surface being electrically insulated from the lead. In a preferred embodiment, the implant device is a unitary titanium member whose surface may be partially anodized to provide an insulated surface and establish the separate electrode portion. A preferred connecting device embodiment is magnetic.

Title
Percutaneous intradermal electrical connection system and implant device
Application Number
5/491785
Publication Number
3964470
Application Date
July 25, 1974
Publication Date
June 22, 1976
Inventor
Michael A Trombley
Minneapolis
MN, US
Agent
Lew Schwartz
Wayne A Sivertson
Assignee
Medtronic
MN, US
IPC
A61N 1/36
A61B 5/04
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