Blood return prevention device for venous indwelling needle for pediatric nursing

Abstract

The invention belongs to the technical field of venous indwelling needles, and particularly relates to a pediatric nursing venous indwelling needle blood return prevention device which comprises a body, a body transmission pipe is connected to a first arc-shaped block in a sleeving mode, the other end of the body transmission pipe is connected to a second arc-shaped block in a sleeving mode, and adjusting connecting ropes are arranged at the two ends of the first arc-shaped block and the two ends of the second arc-shaped block. The other end of the connecting rope is connected into a square block in a sleeved mode, a T-shaped rod used for transmission is arranged in the square block, a first transmission handle used for transmission is arranged at the side end of the first arc-shaped block, and a U-shaped groove used for positioning connection of a main body conveying pipe is formed in the upper end of the first arc-shaped block. The first arc-shaped block and the second arc-shaped block fixedly sleeve the wrist of a patient through a connecting rope, and the telescopic length of the connecting rope is adjusted through rotation of a T-shaped rod, so that effective adjustment and fixation can be conveniently carried out according to different patients, the stability of the main body is improved, and the main body is effectively prevented from being dislocated.

Description

technical field [0001] The invention belongs to the technical field of venous indwelling needles, in particular to a blood-return prevention device for pediatric nursing venous indwelling needles. Background technique [0002] Intravenous injection is a basic method of treating diseases. At present, more than 80% of patients need to receive different forms of intravenous infusion therapy during hospitalization, and intravenous therapy often needs to continue until the end of treatment. The existing intravenous indwelling needles are made of advanced biological Made of materials, as a replacement product for scalp needles, it was widely used in Europe and the United States more than 40 years ago. In my country, intravenous indwelling needles are a nursing technology developed in the past 20 years and have achieved good clinical results. Indwelling intravenous needles are also known as cannulas The needle consists of a steel needle core, a cannula and a plastic needle seat. When...

AI Technical Summary

Problems solved by technology

[0003] The original pediatric nursing venous indwelling needle anti-blood return device has a single structure. Because children like to move around, it is fixed by adhesive tape during use, which is easy to degumming, causing the indwelling needle to be misplaced, causing blood backflow, and causing the device to be unusable. Medical personnel need Repeat piercing work, causing secondary injury to children

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