tailieunhanh - Báo cáo y học: "Mechanical characteristics of three staples commonly used in foot surgery"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Mechanical characteristics of three staples commonly used in foot surgery. | BioMed Central Journal of Foot and Ankle Research Research Mechanical characteristics of three staples commonly used in foot surgery Ulfin Rethnam 1 Jan Kuiper2 and Nilesh Makwana3 Address Department of Orthopaedics Glan Clwyd Hospital Bodelwyddan UK 2Hip Research Unit Robert Jones Agnes Hunt Orthopaedic Hospital Oswestry UK and 3Department of Orthopaedics Robert Jones Agnes Hunt Orthopaedic Hospital Oswestry UK Email Ulfin Rethnam - ulfinr@ Jan Kuiper - Nilesh Makwana - nilesh@ Corresponding author Open Access Published 25 February 2009 Received 22 August 2008 Journal of Foot and Ankle Research 2009 2 5 doi 1757-1146-2-5 Accepted 25 February 2009 This article is available from http content 2 1 5 2009 Rethnam et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract__ Background Bone staples are an accepted method of fixation in foot surgery. They reduce operating time and trauma in surgical procedures. A variety of memory staples are available but their properties compared to standard staples are not known. We carried out a study comparing two popular types of memory staples and a standard stainless steel staple. Methods Standardized bone models of metatarsals made from Tufnol tubes were osteotomized and stabilised using one of three types of bone staples two types of memory staple Memory staple and heat-activated Memoclip or a standard stainless steel staple Richards . Constructs were loaded in bending and torsion on a material testing machine. The moment and torque to achieve 10 degree of bending or torsion and permanent angulation of the osteotomized bones

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