blood drawer

Abstract

The invention provides a hemospast for the hematology department. The hemospast comprises a blood drawing cylinder, a blood drawing push rod and a blood drawing needle. A rubber plug is mounted at theend part of the blood drawing push rod, and the periphery of the rubber plug abuts against the inner cylinder wall of the blood drawing cylinder. A sliding sleeve and a corrugated pipe sleeve are further included. A sliding hole is formed in the end part of the blood drawing cylinder in a penetrating manner; the sliding sleeve is slidably arranged in the sliding hole; the two ends of the slidingsleeve are respectively an inner end and an outer end, the inner end extends into the blood drawing cylinder, the inner end can abut against the inner cylinder wall of the blood drawing cylinder to limit the sliding sleeve from sliding out of the blood drawing cylinder from the sliding hole, and the outer end extends out of the blood drawing cylinder; and the sliding sleeve is sleeved with the corrugated pipe sleeve and provided with a positioning piece used for positioning the sliding position of the sliding sleeve. The blood drawing needle head is mounted at the outer end. When the hemospastis not used, the sliding sleeve can enter the blood drawing cylinder along the sliding hole, the hemospast needle can also enter the sliding hole along with the sliding sleeve, and at the moment, thelength of the whole hemospast is greatly shortened, and the hemospast is high in storage convenience.

Description

technical field [0001] The invention relates to a hematology blood drawing tool, in particular to a hematology blood drawer. Background technique [0002] The blood drawer usually includes a blood drawer, a blood drawer push rod installed in the blood drawer, a rubber stopper is installed at the end of the blood drawer pusher, and the periphery of the rubber stopper conflicts with the inner wall of the blood drawer. A blood-drawing needle is installed at the end; the blood can be sucked into the blood-drawing cylinder or squeezed out from the blood-drawing needle by pushing and pulling the syringe. [0003] Existing blood drawers are usually sealed and packed into sterile bags, and the blood draw needles are also installed at the end of the blood drawer, so the length of the whole blood drawer is relatively long, which is inconvenient for storage. Contents of the invention [0004] In view of this, the object of the present invention is to provide a blood drawer for hemat...

AI Technical Summary

Problems solved by technology

[0003] The existing blood drawer is usually sealed into a sterile bag, and the blood drawer is also installed at the end of the blood drawer, so the whole blood drawer is too long, making it inconvenient to store

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