Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1994-07-06
1996-11-26
Mendez, Manuel
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
A61M 100
Patent
active
055780024
ABSTRACT:
In a method for internally cleaning an implanted infusion system, having an infusion pump connected on its outlet side to a catheter via a nonreturn valve and a flushing port downstream of the nonreturn valve and upstream of the catheter, a first flow of cleaning fluid is passed through the infusion pump and the nonreturn valve. A second flow of secondary fluid is supplied through the flushing port, and a third fluid flow is discharged through the flushing port. A device for such cleaning has a pump such as a syringe connected to the flushing port for supplying the second flow of secondary fluid, for diluting or otherwise modifying the cleaning fluid passing through the infusion pump and the nonreturn check valve, and for discharging the third flow.
REFERENCES:
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patent: 4573994 (1986-03-01), Fischell et al.
patent: 4955861 (1990-09-01), Enegren et al.
patent: 5203771 (1993-04-01), Melker et al.
patent: 5395324 (1995-11-01), Hinrichs et al.
patent: 5417673 (1995-11-01), Gordon
patent: 5476460 (1995-12-01), Montoluo
Mendez Manuel
Siemens-Elema AB
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