Surgery – Controlled release therapeutic device or system – Implanted dynamic device or system
Patent
1985-12-27
1987-07-07
Yasko, John D.
Surgery
Controlled release therapeutic device or system
Implanted dynamic device or system
604893, 604285, A61K 922
Patent
active
046784667
ABSTRACT:
By providing an implantable insert incorporating a reservoir in which a therapeutic medication is stored, with said insert having a construction through which the medication is dispensed, a medication delivery vehicle is obtained which is capable of being inserted directly adjacent various organs in order to provide requisite medications directly to the organ. In the preferred embodiment, the medication delivery vehicle of this invention comprises a truncated conical shape, thereby allowing the delivery vehicle to be inserted into channel-like orifices, conduits, or vessels leading to the particular organ to which medication delivery is sought, without interfering with the normal bodily functions or the passage of fluids through the channel-like areas and without further movement from the site of implantation. In another embodiment, the delivery vehicle comprises a frusto-spherical annular shape for being inserted on the eye in circumscribing relationship with the corneal-scleral junction, without intruding upon that junction. In this way, medication is delivered directly to the cornea of the eye.
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patent: 3995635 (1976-12-01), Higuchi et al.
patent: 4111202 (1978-09-01), Theeuwes
patent: 4249531 (1981-02-01), Heller et al.
patent: 4450150 (1984-05-01), Sidman
patent: 4484922 (1984-11-01), Rosenwald
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