Padgett Dermatome
The Padgett Electric Dermatome (Integra LifeSciences) is the electrically powered handheld oscillating-blade alternative to the pneumatic Zimmer Air Dermatome — the same skin-graft mechanic without the compressed-gas dependency. Manufactured in the B and PI models (with the legacy Model S still in use), it is the practical default in facilities without central medical air supply and is also widely used for free-flap de-epithelialization in reconstructive microsurgery.[1][2]
Design
- Handheld head with electric motor + oscillating disposable blade
- Power cord to standard electrical outlet — no compressed gas required
- Width guards: 1", 2", 3", 4" (Model B) or up to 6" (Model PI) — broader width range than Zimmer
- Thickness adjustment lever — same 0.006–0.030" range as the Zimmer family
- 12 ft (3.66 m) cable with explosion-proof plug
- Fully autoclavable including cable and plug
Reconstructive / Urogyn Uses
Identical to the Zimmer Air Dermatome:
- Scrotal reconstruction after Fournier's gangrene — most common GU indication
- Post-debridement coverage — hidradenitis suppurativa, NSTI, buried-penis reconstruction
- Penile shaft resurfacing — post-free-silicone explant, chronic dermatitis, post-LS excision
- Perineal reconstruction after radical debridement
- Phalloplasty donor-site coverage — RFFF / ALT / MLD harvest sites
- STSG-lined neovagina as a vaginoplasty option in GAS
- Coverage over tissue expanders in staged penile reconstruction
Distinctive Use — Free-Flap De-Epithelialization
The Padgett is also used for de-epithelialization of buried free flaps in reconstructive microsurgery — most prominently in DIEP / MS-TRAM breast reconstruction but applicable to buried phalloplasty flaps and other reconstructive contexts where the flap surface is to be covered by recipient skin and the epidermis must be removed without sacrificing dermal blood supply.[3] The Zimmer can do this in principle, but the Padgett's electric drive and grip ergonomics make it the more commonly used choice for the maneuver.
Padgett vs Zimmer Air Dermatome
| Feature | Padgett Electric | Zimmer Air |
|---|---|---|
| Power source | Wall electrical outlet | Compressed nitrogen / medical air |
| Setup dependency | None — works anywhere with power | Requires central gas or portable cylinder |
| Operational cost | Lower (no gas consumption) | Higher (ongoing gas use) |
| Field tether | Power cord | Pneumatic hose |
| Width range | Up to 6" (Model PI) | Up to 4" |
| Feel | Steady electrical drive | Pneumatic — some report smoother feel |
| US burn-center prevalence | Less common than Zimmer (Egro 2020)[2] | 71.6% market share[2] |
| Free-flap de-epithelialization | Commonly used for this purpose[3] | Possible but less commonly used |
Per Egro 2020, the air-powered dermatome accounts for 73.0% of all dermatome use in North American burn centers — but in non-burn reconstructive surgery centers and facilities without central medical air, the Padgett electric is often the practical default.[2]
Accuracy and Calibration
The same dial-vs-actual-thickness caveat that applies to the Zimmer applies to the Padgett:
- McBride 2017 pediatric n = 140 (air-powered, but the principle generalizes): dial 0.007" → median actual 6.94/1000" (IQR 5.05–9.28).[4]
- Dargan 2025 scalpel-blade test for intraoperative aperture validation — ICC 0.89 intra-observer, 0.52 inter-observer.[5]
Calibrate intraoperatively if the recipient bed is thickness-sensitive.
Technique Pearls
The same operator pearls as the Zimmer apply:
- Tumescent infiltration of donor site with saline ± dilute epinephrine
- Mineral oil / lubricant on the donor skin
- Angulation 30–45° consistent through the pass
- Steady, even downward pressure — excessive pressure is the leading dermatome-laceration cause
- Controlled forward speed
- Assistant counter-traction ahead and behind the dermatome
- Pre-use blade and depth verification
- Narrowest guard appropriate for the defect — wider guards carry more laceration risk
The added Padgett-specific consideration: route the power cord off the field thoughtfully — the tether class of complication is real (foot snag, sterile-field break).
Historical Context — Earl Padgett
Earl Calvin Padgett (1893–1946), head of plastic surgery at the University of Kansas Medical Center, designed the original Padgett-Hood drum dermatome with engineer George J. Hood in 1939 — the first calibrated mechanical dermatome and the conceptual ancestor of every modern powered skin harvester. Hood applied for the patent in 1938; Padgett displayed the working model at a 1939 medical meeting. The instrument was based on the adhesion-traction principle and was called by a founding member of the American Board of Plastic Surgery "the greatest contribution in many decades to the technique of skin grafting."[6]
The modern handheld electric Padgett dermatome (Models B / PI / S) is the contemporary descendant of that lineage. See the Drum Dermatome (Padgett-Hood) page for the original device.
See also: Dermatome — Overview, Zimmer Air Dermatome, Drum Dermatome (Padgett-Hood), Humby Dermatome, Goulian Dermatome, Skin Mesher, STSG.
References
1. Integra LifeSciences. "Padgett Electric Dermatome Models B and PI — User's Guide." products.integralife.com/file/products/padgett-electric-dermatome-models-b-and-pi-ifu-rev-fab.pdf
2. Egro FM, Saliu OT, Zhu X, Corcos AC, Ziembicki JA. "Dermatome-induced lacerations: an unspoken problem in burn surgery." J Surg Res. 2020;245:45–50. doi:10.1016/j.jss.2019.07.022
3. Hattori Y, Imai S, Niu A. "Padgett dermatome for de-epithelialization of free flaps in breast reconstruction." Microsurgery. 2020;40(3):419–420. doi:10.1002/micr.30568
4. McBride CA, Kempf M, Kimble RM, Stockton K. "Variability in split-thickness skin graft depth when using an air-powered dermatome: a paediatric cohort study." Burns. 2017;43(7):1552–1560. doi:10.1016/j.burns.2017.02.010
5. Dargan DP, Gottlieb LJ, Vrouwe SQ. "Assessment of the scalpel blade as an objective tool for measuring dermatome cut thickness." J Burn Care Res. 2025;iraf067. doi:10.1093/jbcr/iraf067
6. Singh M, Nuutila K, Collins KC, Huang A. "Evolution of skin grafting for treatment of burns: Reverdin pinch grafting to Tanner mesh grafting and beyond." Burns. 2017;43(6):1149–1154. doi:10.1016/j.burns.2017.01.015