Device for the injection of fluid, suitable for implantation

Details Device for the injection of fluid, suitable for implantation Device for the injection of fluid, suitable for implantation

1986-05-16

1988-05-31

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604152, 6048911, 128DIG12, A61M 520

Patent

active

047478322

ABSTRACT:
Disclosed is an implantable device for the injection of fluid into a patient's body. The device includes a non-invasive external part which magnetically cooperates with the implanted portion through a magnetic field. The device is entirely mechanical and is capable of delivering both a continuous dose of fluid as well as instantaneous dose of fluid. The mechanism comprises a fluid reservoir, a catheter, an elastic means, a regulating means, a magnetic drive means, a gear transmission means and a flow adjustment means.

REFERENCES:
patent: 3527220 (1970-09-01), Summers
patent: 3749098 (1973-07-01), DeBennetot
patent: 3817237 (1974-06-01), Bolduc
patent: 4265241 (1981-05-01), Portner et al.
patent: 4300554 (1981-11-01), Hessberg et al.
patent: 4411651 (1983-10-01), Schulman
patent: 4443218 (1984-05-01), DeCant, Jr. et al.
patent: 4457752 (1984-07-01), Vadasz

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