Nature's answer to breaching the skin barrier: an innovative development for amputees.

Abstract:

:The human body has evolved to maintain homeostasis through the covering of skin and mucous membranes, which separate the internal environment from the harsh and variable external milieu. Few structures naturally penetrate these coverings, and teeth are the only exception in human beings. Attempts to breach these barriers, to develop skin- penetrating, bone-anchored amputation prostheses, can lead to opportunist invasion by microorganisms and subsequent infection, which can jeopardize the life of the individual. There are only a few fascinating examples where the integument of other species is interrupted without such dire consequences, and the deer antler is one such case. Deer antlers are cephalic bony appendages arising from the frontal bones of the skull of the males of most deer species, and are true transient skin-penetrating structures. Antlers are subject to extreme loading during the rutting season and yet the skin-bone barrier remains intact. Here we show how deer antlers can be used as natural analogues for the successful development of specialized orthopaedic amputation prosthetics. We have used quantitative and qualitative findings from a study of the morphology of deer antlers to develop a device that mimics their structure, which creates a tight seal between the implant and the host tissues, for use in amputation prosthetics.

journal_name

J Anat

journal_title

Journal of anatomy

authors

Pendegrass CJ,Goodship AE,Price JS,Blunn GW

doi

10.1111/j.1469-7580.2006.00595.x

subject

Has Abstract

pub_date

2006-07-01 00:00:00

pages

59-67

issue

1

eissn

0021-8782

issn

1469-7580

pii

JOA595

journal_volume

209

pub_type

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