Surgery – Means for introducing or removing material from body for... – Material introduced into and removed from body through...
Patent
1995-03-09
1995-11-14
Maglione, Corrine M.
Surgery
Means for introducing or removing material from body for...
Material introduced into and removed from body through...
6048921, A61M 3100, A61K 922
Patent
active
054662184
ABSTRACT:
A medication infusion pump is provided of the type adapted for implantation into the body of a patient, and for programmable delivery of a selected medication through a catheter to the patient over an extended period of time. A side port assembly is mounted quickly and easily onto the pump and defines a flow path through which the medication is discharged to the catheter. The side port assembly includes an access port to permit transcutaneous needle access to the discharge flow path, in combination with a check valve to prevent backflow within the discharge flow path. The discharge side access port can be used to flush residue from the catheter, or in combination with a primary refill port on the pump to flush the pump and/or to determine actual pump stroke volume.
REFERENCES:
patent: H150 (1986-11-01), Hankner et al.
patent: 4373527 (1983-02-01), Fischell
patent: 4573994 (1986-03-01), Fischell et al.
patent: 4697622 (1987-10-01), Swift et al.
patent: 5257971 (1993-11-01), Lord et al.
patent: 5370635 (1994-12-01), Strausak et al.
Indravudh Virote
Srisathapat Chad
Cermak Adam J.
Maglione Corrine M.
MiniMed Inc.
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