Claris lifesciences is an international most admired pharmaceutical company, in the business of manufacturing and marketing of high end injectables with focus on new drug delivery systems for treatment of critical illnesses and diseases. Claris lifesciences manufactures protiva. Protiva is designed for precise control of drug infusion in to the patient by means of a disposable [single use] syringe. Protiva is useful where small volume of drug is to be administered for a long duration of time.