3783868 is referenced by 70 patents and cites 14 patents.

A percutaneous device for drug injection in a living body which is implanted through the skin and which has a pyrolytic carbon coating. The device has a stem and a stabilizing flange, and a collar associated with the stem for preventing the progressive growth of epithelium tissue along the stem and for anchoring the device. A normally closed valve is in a passageway through the stem for administration of medication.

Title
Percutaneous implant
Application Number
05/140,869
Publication Number
3783868
Application Date
May 6, 1971
Publication Date
January 8, 1974
Inventor
Bokros Jack C
Agent
Fitch Even Tabin & Luedeka
Assignee
Gulf Oil Corporation
IPC
A61f 01/00
A61m 31/00
A61N 01/05
A61M 01/00
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