Refillable medication infusion apparatus

Details Refillable medication infusion apparatus Refillable medication infusion apparatus

1981-12-07

1986-03-04

Recla, Henry J.

Surgery

Controlled release therapeutic device or system

Implanted dynamic device or system

604 48, 604140, A61M 700

Patent

active

045739943

ABSTRACT:
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.

REFERENCES:
patent: 3578037 (1971-05-01), Flynn
patent: 3731669 (1973-05-01), Fitzgerald
patent: 3894538 (1975-07-01), Richter
patent: 3935876 (1976-02-01), Massie et al.
patent: 3951147 (1976-04-01), Tucker et al.
patent: 4010749 (1977-03-01), Shaw
patent: 4079736 (1978-03-01), Lundquist
patent: 4146029 (1979-03-01), Ellinwood
patent: 4308866 (1982-01-01), Jelliffe et al.
patent: 4332246 (1982-06-01), Thomson
patent: 4373527 (1983-02-01), Fischell

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