MicroMatrix® Flex in Tunneling Wounds

Inclusion Criteria: 1. Patient is ≥ 22 years at the time of consent 2. Patient with a diagnosis of pressure injury, venous ulcer, diabetic ulcer, necrotizing soft tissue infection associated wound, dehiscing and/or draining wounds associated with open abdominal procedures, or any indication per the Instructions For Use 3. Patient is willing and able to adhere to protocol requirements and comply with the study follow-up regimen 4. Patient has reviewed the IRB/IEC-approved consent form, has been properly consented per the protocol and has documented their consent to participate in the study by signing the IRB/IEC-approved consent form Exclusion Criteria: 1. Burn as etiology of wound 2. Unmanaged infection and/or osteomyelitis as determined pre-operatively 3. Known allergy, hypersensitivity, or objection to porcine materials, due to religion, culture, or other 4. Patient report of concurrent participation in another clinical trial that would interfere with this study 5. Any condition, concomitant medication, or concomitant treatment that, in the opinion of the investigator, would preclude the use of the study device or preclude the patient from completing the follow-up requirements