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手部多功能电动牵引支具由机械和电子两部分构成。它具有多功能、多用途、多项调节等特点，可作为固定器、牵引器和练功器使用，治疗手部的关节骨折脱位、关节挛缩和肌腱粘连等疾病。天津医院及大连２１０医院从１９９２年１月～１９９３年１１月应用于关节松解术后１５例２１指，结果优１７指，良４指；手指鞘内屈肌腱缝合及游离肌腱移植术后６例，优２例，良４例；屈肌腱松解术后３例，均为优；近侧指骨或中节指骨基底骨折、脱位４例５指，优４指，良１指。总共应用的３５指中，优２６指，良９指。由于此支具以电机为动力持续被动活动，活动速度缓慢、均匀，并有一定的牵引力，因此患者基本上无痛苦。对于屈肌腱粘连合并关节挛缩的病例可以一期手术解决。静止期可将患指固定在生理位，避免了各种弹性支具所易产生的关节囊挛缩的后遗症。
The multifunctional electric traction brace of the hand consists of mechanical and electronic parts. It is versatile, versatile, and versatile. It can be used as a fixture, retractor, and exerciser to treat joint fractures, dislocations, joint contractures, and tendon adhesions. Tianjin Hospital and Dalian 210 Hospital were applied to 15 joints with 21 fingers after joint release from January 1992 to November 1993. The results were excellent in 17 fingers and good 4 fingers; finger-thing internal flexor tendon suture and free tendon transplantation 6 Cases, excellent in 2 cases, good in 4 cases; flexor tendon release in 3 cases, are all excellent; proximal phalanx or middle phalanx base fracture, dislocation in 4 cases of 5 fingers, excellent 4 fingers, good 1 finger. A total of 35 fingers were used, excellent 26 fingers and good 9 fingers. Because this brace is motor-driven and passively active, the activity is slow, uniform, and has some traction, so the patient is basically painless. For flexor tendon adhesions and joint contractures can be resolved in one operation. The stationary phase can fix the affected finger in the physiological position, avoiding the sequelae of joint capsular contracture that are easily produced by various elastic brace.