نتایج جستجو برای: Biomechanical testing

تعداد نتایج: 355482  

Journal: :Journal of Visualized Experiments 2019

Journal: :Veterinary and Comparative Orthopaedics and Traumatology 2018

2007
Hélène Beaupied Christine Chappard Armelle Basillais Eric Lespessailles Claude-Laurent Benhamou

The best way to preserve mechanical properties of bone for biomechanical testing is hydration in NaCl whereas the reference process in μCT analysis is defatting. The aim of our study was to evaluate the effects of sample conditioning on trabecular bone microarchitecture comparing defatted specimens (considered as reference for μCT analysis) with two hydrated modes (considered as references for ...

Ebrahimi, Soheila, Hasanzadeh, Zabihollah, Kaka, Gholamreza, Naghdi, Majid, Rezaei, Roghayeh, Sadraie, Seyyed Homayoun, Torkaman, Giti,

Background & Objective: Bone marrow stromal cells (BMSCs) are multipotent stem cells that can proliferate and differentiate into osteogenic cells . T his study aimed to investigate the effects of BMSC transplantation for the repair of bone defects in the rat.   Materials & Methods : Twenty-eight male adult rats were divided into 4 groups. Group 1 ( control group) received no treatment after the...

Journal: :American journal of orthopedics 2018
James M Paci Amanda Pawlak

Quadriceps tendon ruptures disrupt the extensor mechanism of the knee and require urgent surgical management. Traditional repair techniques have had mixed biomechanical and clinical results risking weakness and extensor lag. We describe a novel technique using tape suture and knotless anchors, which has performed superiorly during biomechanical testing and yielded terrific early clinical results.

Journal: :The American journal of sports medicine 2006
R Edward Glenn Eric C McCarty Hollis G Potter Saul F Juliao Jeffrey D Gordon Kurt P Spindler

BACKGROUND Osteochondral autografts and allografts have been widely used in the treatment of isolated grade IV articular cartilage lesions of the knee. However, the authors are not aware of any study that has prospectively compared fresh osteochondral autografts to fresh allografts with regard to imaging, biomechanical testing, and histology. HYPOTHESIS The imaging, biomechanical properties, ...

2017
Ryo Iuchi Tatsuo Mae Konsei Shino Tomohiko Matsuo Hideki Yoshikawa Ken Nakata

BACKGROUND All of previous biomechanical studies on meniscal repair have examined the meniscus itself without synovial membrane and capsule, although in the clinical setting, the meniscal repair is generally performed including capsule. Therefore, biomechanical properties of transcapsular meniscal repair are unclear. Thus, this study aimed to clarify the biomechanical properties of transcapsula...

Journal: :physiology and pharmacology 0
rafati rafati tarbiat modares university manijhe mokhtari-dizaji tarbiat modares university hajir saberi tehran medical sciences university hosein chegini

instruction: measurement of brachial artery diameter variation by ultrasound methods has commonly been used to test the endothelial function. it is known that the artery diameter is increased by flow stimulation. therefore in the present study, the effect of external obstruction, as flow stimulation, on the radial strain of the brachial artery was assessed. also the biomechanical behavior of th...

2009

INTRODUCTION Comminuted distal humerus fractures often require large access to the distal humerus for anatomic reconstruction of the joint surface. In these cases an olecranon osteotomy is usually performed, allowing the triceps muscle to be moved out of the way with clear access to the distal humerus. After fixing the distal humerus, the olecranon is often fixed with two k-wires inserted longi...

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