中国组织工程研究 ›› 2017, Vol. 21 ›› Issue (11): 1737-1741.doi: 10.3969/j.issn.2095-4344.2017.11.017

• 骨与关节生物力学 bone and joint biomechanics • 上一篇    下一篇

张力带钢板治疗不稳定骨盆骨折的生物力学性能评价

王 琦   

  1. 河南大学附属郑州市骨科医院创伤外科, 河南省郑州市 450052
  • 修回日期:2016-12-29 出版日期:2017-04-18 发布日期:2017-05-06
  • 作者简介:王琦,男,1974年生,河南省开封市人,副主任医师,主要从事骨盆及四肢骨折治疗的研究。
  • 基金资助:

    河南省科技攻关项目(2015HJ0103)

Biomechanical property of tension band plate in the treatment of unstable pelvic fracture  

Wang Qi   

  1. Department of Traumatic Surgery, Zhengzhou Orthopedics Hospital Affiliated to Henan University, Zhengzhou 450052, Henan Province, China
  • Revised:2016-12-29 Online:2017-04-18 Published:2017-05-06
  • About author:Wang Qi, Associate chief physician, Department of Traumatic Surgery, Zhengzhou Orthopedics Hospital Affiliated to Henan University, Zhengzhou 450052, Henan Province, China
  • Supported by:

    the Henan Science and Technology Project, No. 2015HJ0103

摘要:

文章快速阅读:




文题释义:
不稳定骨盆骨折:是临床上常见的骨科疾病,多数患者由于高能量损伤引起,且患者常伴有严重血管、神经损伤,临床死亡率、致残率较高。目前,骨盆固定方法相对较多,如:三角形固定系统、后方张力带钢板、髂骨棒等,但是最佳固定方法存在争议。
张力带钢板固定技术:是不稳定骨盆骨折患者中常用的固定方法,该方法利用塑形钢板固定在髂骨外板后方,完成骨盆的固定和重建。
 
摘要
背景:文献报道,张力带钢板在不稳定骨盆骨折中能取得理想效果,但尚缺乏生物力学方面的证据。
目的:观察3种张力带钢板不同固定位置在不稳定骨盆骨折中的治疗效果及生物力学性能情况。
方法:取9具成人防腐骨盆标本,完成正常骨盆检测后制作成不稳定骨盆损伤模型,根据张力带钢板不同固定位置不同分为3组:A组钢板固定在双侧髂后上棘水平,钢板两端与耻骨向平行;B组钢板固定在髂后上棘水平,钢板两端指向前方;C组钢板在髂后上棘下方水平,钢板两端指向前上方。比较3组标本固定治疗效果。将骨盆标本放置在生物力学试验机上,完成材料轴向刚度、扭转刚度测定,分析张力带钢板治疗不稳定骨盆骨折的生物力学性能。
结果和结论:①同一标本测量3次获得的骨盆环轴向刚度差异无显著性意义(P > 0.05);骨盆环轴向刚度依次为:A组>C组>B组(均P < 0.05);②同一标本测量3次获得的扭转刚度水平差异无显著性意义(P > 0.05);A组扭转刚度水平显著低于B组与C组(P < 0.05);③同一标本测量3次获得的垂直方向位移水平差异无显著性意义(P > 0.05);垂直方向位移水平依次为:B组>C组>A组(均P < 0.05)。④结论:采用髂后上棘水平,放置钢板,钢板指向前方的固定方式,生物力学性能更佳,可结合骨盆骨折类型优先考虑。

中国组织工程研究杂志出版内容重点:人工关节;骨植入物;脊柱骨折;内固定;数字化骨科;组织工程
ORCID: 0000-0001-6332-6831(王琦)

关键词: 骨科植入物, 骨植入物, 张力带钢板, 不稳定骨盆骨折, 治疗效果, 生物力学试验机, 轴向刚度, 扭转刚度, 生物力学性能, 稳定性

Abstract:

BACKGROUND: Tension band steel in unstable pelvic fractures can achieve the desired effect, but has not yet been confirmed by biomechanics.

OBJECTIVE: To observe treatment effect and biomechanical property of the three kinds of tension band steel in different fixed positions of unstable pelvic fracture.
METHODS: Nine adult antiseptic specimen pelvises were made into unstable pelvic injury models after completing normal pelvis detection. Depending on the position of the tension band fixation plate, these models were divided into group A, group B and group C. Group A: Plate fixation in bilateral posterior superior iliac spine, parallel to the plate ends with the pubis; group B: fixation on posterior superior iliac spine, both ends of the plate pointing forward; group C: plate below the posterior superior iliac spine, front top at both ends of the plate. Efficacy was compared among the three groups. The pelvic specimen was placed on the biomechanical testing machine. Axial stiffness and torsional stiffness were measured. Biomechanical properties of tension band plate in the treatment of unstable pelvic fracture were analyzed.
RESULTS AND CONCLUSION: (1) The axial stiffness of the pelvic ring of the same specimens measuring three times was not significantly different (P > 0.05). The pelvic ring axial stiffness in order: group A > group C > group B (P < 0.05). (2) Torsional stiffness of the same specimens measuring three times was not significantly different (P > 0.05). Torsional stiffness was significantly lower in group A than in groups B and C (P < 0.05). (3) Vertical displacement of the same specimens measuring three times was not significantly different (P > 0.05). Vertical displacement in order: group B > group C > group A (P < 0.05). (4) The fixation on posterior superior iliac spine with both ends of the plate pointing forward obtained better biomechanical properties, and could be given priority by combining with pelvic fracture type.

中国组织工程研究杂志出版内容重点:人工关节;骨植入物;脊柱骨折;内固定;数字化骨科;组织工程

Key words: Pelvic fractures, Biomechanics, Internal Fixators, Tissue Engineering

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