Profile: Alzet Osmotic Pumps/Durect Corp. offers osmotic pumps and accessories. Our Alzet® osmotic pumps are miniature, infusion pumps for the continuous dosing of laboratory animals as small as mice & young rats, and these minipumps provide researchers with a convenient & reliable method for controlled agent delivery in vivo. Our brain infusion kit includes materials for 10 brain infusions,10 brain infusion cannulae, 10 vinyl catheter tubes, 40 depth-adjustment spacers and 1 instruction sheet.