Surgery – Controlled release therapeutic device or system – Osmotic or diffusion pumped device or system
Patent
1983-06-08
1984-12-04
Pellegrino, Stephen C.
Surgery
Controlled release therapeutic device or system
Osmotic or diffusion pumped device or system
604308, A61F 702
Patent
active
044861940
ABSTRACT:
A therapeutic device adapted to releasibly confine a quantity of therapeutic material therefrom to a recipient or environment of use and comprises a supporting member, means disposed in the supporting member to receive a therapeutic material, means for detecting when a predetermined amount of therapeutic material has been deposited within the receiving means and means for securing the device adjacent to the recipient or environment of use. The means for receiving the therapeutic material may comprise according to the invention a chamber, channels, or capsules. The means for detecting when a predetermined amount of therapeutic material has been deposited comprises indicia of measurement such as lines and numerals and spaced ridges or raised portions, the spaces between each of which represent a quantity of measurement. Attaching members are provided for securing the device and the therapeutic material adjacent the recipient and/or environment of use.
REFERENCES:
patent: 432798 (1890-07-01), Hirst
patent: 2367690 (1945-01-01), Purdy
patent: 3996934 (1976-12-01), Zaffaroni
patent: 4023569 (1977-05-01), Warnecke et al.
patent: 4341208 (1982-07-01), Gordon
Gordon Edward A.
Pellegrino Stephen C.
Samaras Harrie S.
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