Continuous and rapid disposable blood collecting needle automatic blood collecting device

Abstract

The invention provides a continuous and rapid disposable blood collecting needle automatic blood collecting device. The automatic blood collecting device comprises a base and a cover body, wherein oneend of the base is provided with a protruding connecting piece; the connecting piece is movably connected with a rack through a connecting shaft; a circle of limiting holes are formed in the rack; the rack is of a hollow structure, and a hollow inner cavity of the rack is a blood collecting needle arrangement cavity; a plurality of disposable blood collecting needles are sequentially arranged inthe blood collecting needle arrangement cavity; a spring pushing plate is arranged in the blood collecting needle arrangement cavity and pushes the disposable blood collecting needles to a feeding device; a feeding round hole is formed in the head of the rack; the feeding device is arranged in the feeding round hole; a stepping motor is connected in a center hole of the feeding device; an ejectionpush rod and a discharge push rod are arranged at the upper part of the feeding device; a blood sampling hole and a discharging hole are formed in the lower portion of the ejection push rod and the lower portion of the discharging push rod respectively; a clamping device is arranged at the other end of the base to clamp fingers; and a sensor is arranged below the clamping device.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a continuous and rapid automatic blood collection device for disposable blood collection needles. Background technique [0002] Disposable blood collection needle is a kind of blood collection needle used to collect blood samples in the process of medical examination. It consists of a needle head and a needle shaft. A return spring is arranged between the needle rods, and the initial position of the sheath is located at the head of the needle head and the needle rod. When the operator holds the needle tube and presses the head of the blood collection needle on the patient's limb, the sheath will retract under the elastic force of the skin, causing the needle to protrude and penetrate the skin to cause minimal trauma. Reset under action to cover the needle to avoid contamination of the exposed needle or accidental stabbing of the human body. [0003] In actual use, every...

AI Technical Summary

Problems solved by technology

[0003] In actual use, every time a patient comes, the medical staff needs to take a blood collection needle and pierce the skin at the end of the finger for blood collection. In addition, it is necessary to pinch the skin at the collection site to make it protrude for acupuncture. Greatly affect the efficiency of work, sometimes you may forget to replace the blood collection needle and use it twice, causing the risk of blood transmission of some diseases

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