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   fixator 在 生物医学工程 分类中 的翻译结果: 查询用时:0.187秒
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  fixator
Most fractures are treated using DCO principles including reduction and temporary stabilization by external fixator.
      
The fixation is performed with a dynamic osteosynthesis implant - LINK?hallux-fixator intern - which is a bypass to neutralize the forces of deviation and allows a interfragmental compression.
      
The dynamic osteosynthesis with the LINK?hallux-fixator intern is together with the Stoffella-osteotomy a modern procedure and a secure method to correct of the most hallux valgus deformities.
      
The principle of "angle stability" works as an internal fixator and a stable support of the joint area makes it possible without danger of secondary dislocation.
      
She was treated successfully in a hinged external fixator and with stabilization of distal radioulnar joint by a K-wire.
      
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AbstractFrom February 1982 to June 1988,the authors had used the self designed framelike tibial external fixator for the treatment of 521 cases of lower limb inequality of various causes. There were 339 males and 182 females.The age ranged from 8 to 50 years. Epiphyseal distractionwere done in 311 cases,and the increase of length obtaine-dranged from 2.5 to 13cm,with an average of 5.1cm.Bone union occured in 65 to 540 days. Limb Lengtheningby proximal tibial osteotomy were done in 118 cas es. Theincrease...

AbstractFrom February 1982 to June 1988,the authors had used the self designed framelike tibial external fixator for the treatment of 521 cases of lower limb inequality of various causes. There were 339 males and 182 females.The age ranged from 8 to 50 years. Epiphyseal distractionwere done in 311 cases,and the increase of length obtaine-dranged from 2.5 to 13cm,with an average of 5.1cm.Bone union occured in 65 to 540 days. Limb Lengtheningby proximal tibial osteotomy were done in 118 cas es. Theincrease of length ranged from 2. 5 to 9. 5cm,with an av-erage of 4. 1cm. Bone union occurred in 79 to 390 days.Fracture of the leg reduction fixation occurred in 92 case-s. One case had delayed union. The authors concluded thatthis external fixation device is charaterized by its good sta-bility,reasonable design and flexible adjustment on the ba-sis of the analysis of dynamics

从1982年2月~1988年6月,我们采用自行设制的框式小腿外固定架,共收治各种原因所致下肢不等长和胫腓骨骨折患者521例。其中男339例。女182例。骨骺牵开延长术311例,获骨延长长度2.5~13cm,平均5.1cm,骨愈合时间56~540天,其中286例平均110天获骨愈合。胫骨上干骺端截骨延长118例,获骨延长长度2.5~9.5cm,平均4.1cm,骨愈合时间79~390天,其中112例平均124天获骨愈合。胫腓骨骨折复位固定术92例,发生骨迟缓愈合1例,其余病例骨愈合时间54~180天,平均92天。从力学角度分析,该固定架具有良好的稳定性,结构设计合理,且具有灵活的可调能力

AbstractThesawtooth-arm internal embracing fixator ismade of Nickel-Titanium shape memory alloy and con-sists of 3 components:body,arms and sawteech.Incross section a 2/3 circumference is constructed bybody and arms of the fixator.The free ends of thearms which exceed the semi-circle are bended more me-dially so that it can match the requirement of fixation oflong tubular bone whose cross section is not a regularcircle. The embracing fixator has two types:the cylin-der type is for use in the...

AbstractThesawtooth-arm internal embracing fixator ismade of Nickel-Titanium shape memory alloy and con-sists of 3 components:body,arms and sawteech.Incross section a 2/3 circumference is constructed bybody and arms of the fixator.The free ends of thearms which exceed the semi-circle are bended more me-dially so that it can match the requirement of fixation oflong tubular bone whose cross section is not a regularcircle. The embracing fixator has two types:the cylin-der type is for use in the middle part and the cone typeis either for the proximal or distal 1/3 of the shaft oflong tubular bone. The animal experimental studiesand in vitro mechanicaI tests demonstrated that the em-bracing fixator possesses good anti-bending and anti-torsion effects,and its resisting compression efect wasmuch lower than that of bone plate. These characteris-tics are beneficial for enhancing fracture healing,reducing post fixation osteoporosis and providing anew, simple and effective method for the treatment oflong tubular bone fracture. The fixator has alreadybeen used in the treatment of fractures of femur,humerus, radius and uIna with good resuIts.

使用镍钛形状记忆合金制成锯齿臂环抱内固定器,后者由体部、臂部和锯齿部三部分组成。在横截面上,臂与体部围成2/3圆弧,且臂端超过半圆部分向内弯转,以适应截面非正圆的长骨干固定需要。环抱器有圆柱形和圆锥形两种,分别用于长骨干中段或其上或下1/3。动物实验与体外力学试验证实,环抱器有良好的抗弯和抗扭作用,而对压缩应力的对抗作用明显低于接骨板,有利于促进骨折愈合和减少固定后骨质疏松,为长骨干骨折提供了一种新的、操作简单的有效治疗手段。临床应用17例(股骨、肱骨、桡骨、尺骨骨折),效果满意。

The authors designed a new internal fixator for scoliosis---multi-screw fixed distractor-compressor via the vertebral pedicle.The new device has strong forces of fixation,distraction,compression and anti-rotation.It can produce free movememt in three-different levels and fix the vertebral column in three-dimensions.Its anti-rotaion ability is 34-46 per cent higher than that of Harrington-Luque rods,and is 35-48 per cent higher than that of two Luque rods.Its anti-lateral bend ability is 130-141 per cent...

The authors designed a new internal fixator for scoliosis---multi-screw fixed distractor-compressor via the vertebral pedicle.The new device has strong forces of fixation,distraction,compression and anti-rotation.It can produce free movememt in three-different levels and fix the vertebral column in three-dimensions.Its anti-rotaion ability is 34-46 per cent higher than that of Harrington-Luque rods,and is 35-48 per cent higher than that of two Luque rods.Its anti-lateral bend ability is 130-141 per cent higher than that of Harrington-Luque rods,and is 130-145 per cent higher than that of two Luque rods(P<0.001).

本文介绍一种经椎弓根多钉固定的撑压器,具有坚强的固定力,撑开、压缩和抗旋转能力达到脊柱三维固定的目的。经实验测定,其抗旋转能力比哈氏棒和鲁氏棒联合固定提高34.46%.比双根鲁氏棒固定提高35~48%。其抗弯能力是哈氏棒和鲁氏棒联合固定的130~141%,是双根鲁氏棒固定的130~145%(P<0.001)。

 
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