Prophylactic NPWT to Reduce SSI in Colorectal Surgery

Inclusion Criteria: * ages 18-80 * patients who will undergo an open or laparoscopic-assisted clean/contaminated colorectal surgical procedure. * Patients must either have an inflammatory bowel disease, undergoing reoperation within 30 days, or have two or more of the following risk factors: presence of an ostomy, type II diabetes, BMI greater than 30, immunosuppression, malnutrition, current smoker, chronic kidney disease (creatinine \> 1.2), and disseminated cancer. Exclusion Criteria: * patients currently enrolled in another interventional clinical trial, * patients with a BMI less than 20, patients with a current abdominal abscess or infection (including a known urinary tract infection), * patients allergic to or hypersensitive to silver, patients planning to undergo a second colorectal surgical procedure (e.g., colostomy or ileostomy takedown) or any other general surgery in less than 30 days of index-surgery, * any patient in which the planned surgery would include: i) placement of a stoma in the principal incision; ii) placement of a drain into the supra-peritoneal fascia space that emerges through the principal incision; iv) placement of a drain into the intraperitoneal space that emerges through the principal incision; and v) supplementation of any of the irrigation fluid with antibiotic or antiseptic drugs, * patients with healing disorders, * pregnant women, * prisoners, or * any patient that is deemed unsuitable for the study by the Principal Investigator or the operating surgeon/Co-Investigator.