PICO with Soft Port Negative Pressure Wound Therapy System, Disposable, 20cm x 20cm. As effective as traditional NPWT systems. Small, portable and canister-free. Quiet, comfortable, simple to operate. Operates for 7 days on 2 AA batteries. Clinically approved for open and chronic wounds as well as closed incisions. Provides easy application to difficult areas including sacrum, knee, elbow and heel. Port design lowers risk of pressure ulcers.