 This risk can be reduced by a daily subcutaneous injection of low-molecular-weight heparin (LMWH) until the surgical drain is removed.The Jackson-Pratt Drain (informally referred to as the "brain drain") was named after its inventors Drs.Fredrick E. Jackson (Chief, Department of Neurosurgical Surgery, Naval Hospital, Camp Pendleton, CA) and Richard A. Pratt (Naval Hospital, Camp Pendleton, CA).