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OR Snapshots – The Macroporous Custom Skull Implant

 

Custom skull implants have become a reliable and safe method of various types of skull augmentation. Made from the patient’s 3D CT scan, they cover the desired skull surface with a precise fit and a smooth outer surface that blends well into the surrounding bone/muscle areas. The most careful judgment has to be made in the thickness of its design so a competent and not overly tight scalp closure is obtained.

An obvious but often overlooked feature of most custom skull implants is that they are ‘large’. They can cover a significant surface area of the bony skull. This places an implant between the thick overlying scalp and the bone. While I have never seen this to cause any problems, it would be desirous to have some increased fibrovascular connections between the scalp and the bone. Since a silicone skull implant is not naturally porous this is not a biologic property such an implant would naturally have.

custom-skull-implant-ready-for-placement-dr-barry-eppley-indianapolisTo help achieve some integration of skull implants with the surrounding tissues, the concept of perfusion holes is used. This is were many 3mm to 4mm circular holes are placed through the implant. They can be thought of as ‘perfusion holes’. They will permit a very rapid tissue ingrowth through them, reconnecting the scalp and the bone with these tissue connections. They also serve to take one large implant pocket and make it many small pockets through this natural tissue quilting effect.

While these perfusion holes also help to fix the implant more securely into place, it does not make it any more difficult to remove or modify it later should the need arise. The tissue bands can be broken fairly easily in that process.

Dr. Barry Eppley

Indianapolis, Indiana


Dr. Barry EppleyDr. Barry Eppley

Dr. Barry Eppley is an extensively trained plastic and cosmetic surgeon with more than 20 years of surgical experience. He is both a licensed physician and dentist as well as double board-certified in both Plastic and Reconstructive Surgery and Oral and Maxillofacial Surgery. This training allows him to perform the most complex surgical procedures from cosmetic changes to the face and body to craniofacial surgery. Dr. Eppley has made extensive contributions to plastic surgery starting with the development of several advanced surgical techniques. He is a revered author, lecturer and educator in the field of plastic and cosmetic surgery.

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