CPC G01N 1/10 (2013.01) [G01N 2001/1056 (2013.01)] | 10 Claims |
1. A disposable blood sampler for a blood braid of a blood bag comprising a blood taking needle cannula, a threaded cannula, a blood braid clamp, a connecting pipe and a needle inserting sheet, wherein the blood taking needle cannula is of a threaded structure at both ends, the threaded cannula is of a tubular structure, a bottom port of the threaded cannula is connected with the blood taking needle cannula, and an upper port of the threaded cannula is provided with symmetrically distributed clamping slots extending to a middle lower part of a wall; symmetrical grips are arranged on an outer surface of a wall of the blood braid clamp, and the blood braid clamp is arranged in the threaded cannula; the symmetrical grips are positioned outside the clamping slot of the threaded cannula, and the blood braid clamp moves up and down in the threaded cannula along the clamping slot; and the connecting pipe is inserted into the upper port of the threaded cannula, an inner cavity in which the needle inserting sheet can be placed is arranged inside the connecting pipe, and the needle inserting sheet is of an arc-shaped sheet structure.
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