Abstract: An implantable medical device includes an enclosure sleeve and a top cap. The enclosure sleeve comprises an enclosure wall with at least a portion of the enclosure wall comprising the grade 5 titanium and having a thickness between 0.007 inches and 0.009 inches. The enclosure sleeve includes an open top end and an open bottom end that is opposite the open top end. The top cap includes a feedthrough block, a first top cap end portion, and a second top cap end portion. The first top cap end portion is configured to couple to the open top end of the enclosure sleeve, and the second top cap end portion configured to be positioned within the enclosure sleeve.

Abstract: A liquid supply pump adapted for coupling to a reciprocable motor, particularly for pumping liquids having thermosetting properties. The pump incorporates a double-acting piston in a pumping cylinder, driven by an elongated drive shaft which projects from the top of the pump for reciprocable motion, the pump having a lower intake valve and an upper exhaust valve, and an intermediate drive shaft seal above the pumping cylinder and a liquid and air drive shaft seal proximate the point of projection of the drive shaft from the pump, wherein said two seals are spaced apart by a distance greater than the pump stroke length, and a liquid drainage path from the intermediate seal back to the pump intake region.