THE EXPERIMENTAL ASSESSMENT OF HEXAGONAL POROUS STRUCTURE IN VERTEBROPLASTY AN D KYPHOPLASTY

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HOSSEINI FARADONBEH SEYED AREF; JAMSHIDI NIMA

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Journal: IRANIAN JOURNAL OF ORTHOPAEDIC SURGERY Year:2015 | Volume:13 | Issue:4 (53) Page(s): 168-176

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Title

THE EXPERIMENTAL ASSESSMENT OF HEXAGONAL POROUS STRUCTURE IN VERTEBROPLASTY AN D KYPHOPLASTY

Author(s)

HOSSEINI FARADONBEH SEYED AREF | JAMSHIDI NIMA | Issue Writer Certificate

Keywords

VERTEBROPLASTYQ2

KYPHOPLASTYQ2

SPINEQ2

STEELQ2

Abstract

Background: One of the most important challenges after VERTEBROPLASTY (VP) and KYPHOPLASTY (KP) is the stress concentration at the junction of bone and cement which would cause not only pain, but also new microfractures or osteonecrosis. We would like to present a new concept of using hexagonal porous structure. This model is tested biomechanically in comparison with vertebrae treated with VP and KP.Methods: Ten Ovine vertebrae were divided into 5 groups - 2 in each group: the groups included normal vertebrae, VP, KP and vertebrae treated by hexagonal porous structure as metal pearls (steel or brass). These vertebrae were all put under mechanical static pressure. The displacement and yield points were compared in the 5 groups.Results: The hexagonal metal treated vertebrae showed a displacement of 5.5-6 mm before reaching the ultimate strength of 3.5-4.5 KN. This displacement for VP and KP was 2.5-3 mm. The improvement of mechanical behavior was observed in vertebrae treated by hexsgonal metal pearls compared to those treated by the VP and KP.Conclusions: The toughness of vertebrae by hexsgonal metal pearl treatment increases and this will reduce the stress in vertebral end plates and interdiscal pressure. This would reduce the chance of fracture in the adjacent vertebrae.

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APA: Copy

HOSSEINI FARADONBEH, SEYED AREF, & JAMSHIDI, NIMA. (2015). THE EXPERIMENTAL ASSESSMENT OF HEXAGONAL POROUS STRUCTURE IN VERTEBROPLASTY AN D KYPHOPLASTY. IRANIAN JOURNAL OF ORTHOPAEDIC SURGERY, 13(4 (53) ), 168-176. SID. https://sid.ir/paper/85293/en

Vancouver: Copy

HOSSEINI FARADONBEH SEYED AREF, JAMSHIDI NIMA. THE EXPERIMENTAL ASSESSMENT OF HEXAGONAL POROUS STRUCTURE IN VERTEBROPLASTY AN D KYPHOPLASTY. IRANIAN JOURNAL OF ORTHOPAEDIC SURGERY[Internet]. 2015;13(4 (53) ):168-176. Available from: https://sid.ir/paper/85293/en

IEEE: Copy

SEYED AREF HOSSEINI FARADONBEH, and NIMA JAMSHIDI, “THE EXPERIMENTAL ASSESSMENT OF HEXAGONAL POROUS STRUCTURE IN VERTEBROPLASTY AN D KYPHOPLASTY,” IRANIAN JOURNAL OF ORTHOPAEDIC SURGERY, vol. 13, no. 4 (53) , pp. 168–176, 2015, [Online]. Available: https://sid.ir/paper/85293/en

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