Significant design changes to the silicone-nylon membrane include increased porosity of the silicone layer and the continuity of the three-dimensional nylon structure. Additional changes include the elimination of the crosslinking agents, cyanuric acid and dodecylamine, utilized in other dressings to covalently bond the porcine Type 1 collagen peptide to the silicone-nylon membrane.

AWBAT® has been designed with key wound care improvement goals in mind.

Better acute adherence
Mobile collagen peptides, which are not covalently bonded, are intended to interact more quickly with fibrin in the wound, which would allow better acute adherence during the initial phase of wound closure. More optimized porosity.

Better moisture permeability
control through an increase in and more uniform distribution of porosity. AWBAT® has been engineered with the objective of optimizing porosity and occlusiveness, thereby reducing the potential for fluid accumulation beneath the membrane. Better porosity and occlusiveness reduces the potential for endogenous bacterial proliferation, while allowing rapid reepithealization in a moist (not wet) environment.

Better safety
through the elimination of cross-linking agents. The mobile collagen peptides contain NO allergenic cross-linking agents. Elimination of potential allergens reduces product risk.

Better coverage options
through a wide variety of sizes. AWBAT® is manufactured in a variety of sizes to effectively address clinical needs and minimize product waste.

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Pruitt B, Levine N. Characteristics and uses of biologic dressings as skin substitutes. Arch Surg 1984: 119; 312.
Pruitt B. The evolutionary development of biologic dressings and skin substitutes. J Burn Care Rehab 1997: 18; 2.
Carns B, Meyer A, et al: Skin replacements: the biotechnological quest for optimal wound closure. Arch Surg 1993: 128; 12-16.
Bartlett R, Skin Substitutes. J Trauma 1981: 21; 731.
Bell E. Deterministic models for tissue engineering. J Cell Engin 1995: 1;28.
Curtis A, Wilkinson C, et al: Cellular guidance movement and growth: accelerating cell movement. J Cell Engin 1995: 1;35.
Yannas IV, Burke J, et al: Design of an artificial skin: basic design principles. J Biomed Matr Res 1980: 14; 65.
Yannas I, Hansbrough J, Ehrlich N. What criteria should be used for designing artificial skin replacements and how well do the current grafting materials meet these criteria? J Trauma 1984: 24; 29.
Putnam AJ, Mooney DJ. Tissue engineering using synthetic extracellular matrices. Nature Med 1996: 2;824-826.

AWBAT®-S: Superficial Wound Dressing:
AWBAT®-S: is recommended for clean, Superficial burn wounds." Designed with a specific porosity and depth of 3-dimensional nylon structure in mind, AWBAT®-S is the ideal version of AWBAT® to cover the clean & debrided superficial partial-thickness wounds, including scald burns.

AWBAT®-D: Donor Site Wound Dressing:
AWBAT®-D: is recommended for Donor sites after hemostasis has been established." AWBAT®’s increased porosity and depth of 3-dimensional nylon structure are designed to take into account the specific drainage and adhesion needs of donor site wounds.

AWBAT®-M: Meshed Autograph Wound Dressing:
AWBAT®-M: is recommended as a protective covering for Meshed autografts." AWBAT®-M has been designed with the increased porosity and a decreased depth of 3-dimensional nylon structure to provide a reduced secondary adherence to work best over meshed autographs.

AWBAT®-S Gloves
Hands are a difficult area to cover and to keep free of infection. AWBAT®-S Gloves present a solution for this difficult location. The Glove’s strechability and flexibility have been designed to allow for ease of application and for the best possible range of motion post-application.

AWBAT® is designed to able to be provided in square and rectangular sizes from 6" x 6" to 24" x 24". Variable sizing allows for appropriate wound coverage in an effort to eliminate seams, reduce waste, and reduce time in the operating room. Current sizing avaliability is as listed:

Additional sizes that will be available include:

12"x18" (30.5cm x 45.7cm)
18"x18" (45.7cm x 45.7cm)
18"x24" (45.7cm x 61.0cm)
24"x24" (61.0cm x 61.0cm)

Custom dressing sizes and configurations can be considered.

• The Search for an Ideal Temporary Skin Substitute: AWBAT (as published in ePlasty) (pdf)
• AWBAT: Early Clinical Experience (pdf)
• AWBAT Instructions for Use (pdf)
• AWBAT Glove Instructions for Use (pdf)

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