Pumping wounds: Researchers hope that a simple bellows pump attached to a tube that's applied to a wound dressing can generate enough negative pressure to spur healing.

给伤口抽气：研究者希望这种连接一根管子的简易风箱抽气机能够应用到绑着绷带的伤口上，为促进伤口愈合产生足够的负压。

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IntroductionThe long tube bone fracture of four limbs is the most common damage in the wound orthopedics.

引言四肢长管状骨骨折是创伤骨科最常见及最多发的损伤。

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The factors of failure were disturbance of local blood circulation, wound infection followed rib necrosis, T-tube injured mucomembrane then became a new stenosis, and restenosis for scar constitution.

局部皮肤血循环差（大剂量放射治疗后，反复多次手术局部瘢痕重） ，伤口感染软骨坏死排出，T形管损伤黏膜形成新的瘢痕狭窄和瘢痕体质。

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