04573994 is referenced by 501 patents and cites 11 patents.

Apparatus and method for filling, or refilling, the internal reservoir of a medication infusion system, wherein filling or refilling is permitted only when a means for injecting medication is properly positioned relative to the reservoir. Prior to filling or refilling, a pressure integrity check can be made to help assure that injected medication enters the reservoir without leakage. Additionally, flushing of a portion or all of the medication reservoir can be accomplished if desired. Medication is introduced to and is stored in the reservoir at a pressure below ambient body pressure.

Title
Refillable medication infusion apparatus
Application Number
34155
Publication Number
4573994
Application Date
December 7, 1981
Publication Date
March 4, 1986
Inventor
Peter C Lord
Valencina
CA, US
Robert E Fischell
Silver Spring
MD, US
Agent
Howard W Califano
Robert E Archibald
Assignee
The Johns Hopkins University
MD, US
IPC
A61M 7/00
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