Evaluating Edema and Range of Motion Using Negative Pressure Therapy vs. Standard Surgical Dressing in Bilateral TKA

Inclusion Criteria: * is at least 22 years of age on the date of informed consent. * can independently provide informed consent. * requires and is scheduled to undergo a simultaneous, bilateral, primary TKA. * is willing and physically capable of undergoing a simultaneous, bilateral, primary TKA with or without replacement of the patella. * is willing and able to return for all scheduled study visits. Exclusion Criteria: * is pregnant or lactating. * has signs of an infection in the area of either knee or has signs of a systemic infection at the time of surgery. * is a chronic opioid user, defined per the CDC guidelines as opioid use for \>3 months, at the time of enrollment. * has a current diagnosis of lymphedema in either leg. * has signs, symptoms, or a current diagnosis of venous insufficiency in either leg, as determined by the investigator's review of the subject's medical history. * has a history of clotting disorder or prior history of deep vein thrombosis * will undergo a unilateral TKA. * will undergo a staged, bilateral TKA. * has had previous knee replacement surgery. * has received a corticosteroid injection into either knee within 30 days of surgery. * undergoes a simultaneous, bilateral TKA with a planned different incision type on each knee (eg, midline incision vs. medial parapatellar incision). * has known sensitivity to the study product components (drape and/or dressing materials in direct contact with the closed incision or skin). * has known sensitiv…