Invacare Reliant 440 Stand-Up Lift Model No. RPS440-1 Comfortable and secure. The Invacare lift is the answer to your patient handling needs. Reliant's ergonomic styling and easy maneuverability make it an ideal product for everyday patient transfers. With its numerous safety features, the Reliant Stand-Up lift ensures caregiver security and resident peace of mind. Ideal for use with weight-bearing or fully dependent patients as well as those needing rehabilitation support, the Invacare Reliant Stand-Up lift will be a valuable addition to your safety-management system.