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Dual-Porosity Expanded Polytetrafluoroethylene Soft Tissue Implant
A New Implant for Facial Soft Tissue Augmentation
William H. Truswell, MD
Arch Facial Plast Surg. 2002;4:92-97.
Objective To illustrate problems observed with low-porosity expanded polytetrafluoroethylene soft tissue implants and to describe a new dual-porosity implant, the technique for insertion, and this author's preliminary experience.
Method A review of 175 pieces of SoftForm (Collagen Corporation, Palo Alto, Calif) placed in 69 patients over 3 years was performed. Between October 1, 1997, and September 30, 2000, 106 Advanta implants (Atrium Medical Corporation, Hudson, NH) in 42 patients have been carried out. A new instrument for implant insertion and the procedure used is described herein.
Results The low-porosity expanded polytetrafluoroethylene implants demonstrated a significant amount of problems with shrinkage and migration.
Conclusions Preliminarily, the dual-porosity implants would appear to offer a lower incidence of these complications. They are subjectively softer to feel once in place. Insertion is quick and easy using the method described herein.
From The Aesthetic Laser and Cosmetic Surgery Center, Northampton, Mass. Dr Truswell is a paid consultant for Atrium Medical Corporation and is the designer of and has commercial interest in the insertion device described herein.
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