The Management of Closed Surgical Incisions Resulting From Incisional Hernia Repair and/or Functional Panniculectomy Using the Prevena™ Customizable™ Dressing

Pre-Operative Inclusion Criteria:

1. an adult 18 years old or older of either gender

2. able to provide their own informed consent

3. will undergo:

1. a functional panniculectomy with a transverse or a fleur-de-lis incision

- AND/OR -

2. an incisional hernia repair with a vertical incision at least 20 cm in length and
at least 10 cm of undermining on each side of the incision

4. BMI equal to or greater than 30

5. has maintained a stable weight for at least 3 months as determined by the Investigator
(applies to post weight loss patients only)

6. pre-operatively assessed to undergo a procedure with a CDC Wound Classification of:

1. Class I (Clean): An uninfected operative wound in which no inflammation is
encountered and the respiratory, alimentary, genital or uninfected urinary tract
is not entered

- OR -

2. Class II (Clean Contaminated): An operative wound in which the respiratory,
alimentary, genital or uninfected urinary tract are entered under controlled
conditions and without unusual contamination

7. willing and able to return for all scheduled study visits

8. if a female of child-bearing potential, must test negative on a urine pregnancy test

9. if a female of child-bearing potential, must be willing to utilize an acceptable
method of birth control (i.e. oral contraceptives, condom with spermicide, diaphragm
with spermicide, implants, IUD, injections, vaginal rings, hormonal skin patch) for
the duration of the study

Intra-Operative Inclusion Criteria:

1. continues to meet all pre-operative inclusion criteria

2. has undergone a Class I or II CDC Wound Classification procedure resulting in a closed
surgical incision able to be covered completely by Customizable dressing

Pre-Operative Exclusion Criteria:

1. has a systemic bacterial or fungal infection at the time of surgery for incisional
hernia repair and/or functional panniculectomy

2. has a remote-site skin infection at the time of surgery for incisional hernia repair
or functional panniculectomy

3. pre-operatively assessed to undergo a procedure with a CDC Wound Classification of:

1. Class III (Contaminated): Open, fresh, accidental wounds, and/or major breaks in
sterile technique or gross spillage from the gastrointestinal tract

- OR -

2. Class IV (Dirty-Infected): Old traumatic wounds with retained devitalized tissue
and those that involve existing clinical infection or perforated viscera

4. will have a transverse or fleur-de-lis incision that extends beyond the flank area and
requires moving the Subject from the supine position during surgery

5. has a known allergy or hypersensitivity to silver, or drape materials that contain
acrylic adhesives

6. has participated in a clinical study within the past 30 days

7. who, in the investigator's opinion, would have any clinically significant condition
that would impair the Subject's ability to comply with the study procedures

Post-Operative Exclusion Criteria:

1. found to meet any of the pre-operative exclusion criteria

2. determined to have a CDC Wound Classification of:

1. Class III (Contaminated): Open, fresh, accidental wounds, and/or major breaks in
sterile technique or gross spillage from the gastrointestinal tract

- OR -

2. Class IV (Dirty-Infected): Old traumatic wounds with retained devitalized tissue
and those that involve existing clinical infection or perforated viscera