| 摘要 |
<p>A safety drawing or injecting system includes a tourniquet, which consists of some inflatable bands joining in parallel, the joining positions where the bands connect each other are folding parts, and a demon pad is provided both on the middle position of the outer edge of each band and on the inner edge of either free end, an inflator,which consists of an air compressor and a controller,the controller controls the air compressor in wire or wireless manner,and the air compressor connects to each inflatable band via air pipes, and an injector, which may be a needel cylinder, a butterfly needle, an artery and vein(AV) fistula needle or an intravenous needle.</p> |
