Abstract: A motorized syringe or pump for producing a controlled, slow-delivery of a fluid-like substance, includes: a housing having, at one end, an expansible-contractible chamber for receiving a quantity of the fluid-like substance and an outlet for discharging the substance upon the contraction of the chamber; and a drive at the opposite end of the housing including an electrical motor and a plunger for contracting the chamber to discharge the substance via the outlet. The housing is constituted of a first section housing the expansible-contractible chamber, and a second section housing the drive. The first housing section is attachable to and detachable from the second housing section to permit disposal of the first housing section after a one-time use.

Abstract: A sterilizable, compact, portable device for dispensing predetermined amount, at a predetermined flow rate, of a selected liquid preparation into a specific target-organ or tissue in a mammalian body, in particular, of a human. Accessories may also be included for assisting in placing, and/or fixing, the device in right position within, or in adjacent to, the desired organ.