Double-saccule remaining needle

Abstract

The invention provides a double-saccule remaining needle, and belongs to the field of medical device structure design. An upper cavity saccule and a lower cavity saccule are arranged in an infusion pipeline, an elastic saccule is arranged on the inner side of the tail end of a remaining needle pipe port, the upper cavity saccule is communicated with an infusion catheter, and the lower cavity saccule is filled with air or safety liquid and communicated with the elastic saccule. When infusion is paused, a stop clamp is closed, so that infusion can be paused, firstly, a second upper infusion catheter is compressed and closed by the stop clamp, secondly, the upper cavity saccule is compressed, so that infusion solution in the upper cavity saccule is pushed into a remaining needle pipe, the pipe is automatically flushed, finally, the lower cavity saccule is compressed, so that the elastic saccule expands, and the remaining needle pipe is closed. When infusion is restarted, the stop clamp is opened, so that infusion can be restarted, the lower cavity saccule rebounds, the remaining needle pipe is opened, the upper cavity saccule rebounds, blood flows into the remaining needle pipe and a first infusion catheter, and the blood is automatically pumped back. According to the double-saccule remaining needle, operation is simplified, patient pain is relieved, nurse workload is reduced, the problem of blood embolism easily caused by the remaining needle is completely solved, and patient safety is improved.

Description

technical field [0001] The invention relates to the field of structural design of medical supplies, in particular to a double-balloon indwelling needle. Background technique [0002] The indwelling needle is a common medical device in nursing work. It is easy to use and reduces the number of punctures for patients, thereby reducing repeated punctures during clinical infusion, reducing the patient's puncture pain and the workload of clinical nurses. Therefore, in It has been widely used in clinical practice today. [0003] The existing indwelling needles generally include: puncture needles, indwelling needle tubes and infusion catheters. When in use, first insert the puncture needle connected with the indwelling needle tube into the patient's injection site, then guide the indwelling needle tube into the patient's blood vessel through the puncture needle, and finally pull out the puncture needle so that the indwelling needle tube stays in the patient's blood vessel and fix i...

AI Technical Summary

Problems solved by technology

[0005] In view of the above existing problems, the present invention provides a double-balloon indwelling needle, which can realize automatic flushing, automatic sealing, and automatic blood withdrawal, so as to overcome the tendency of blood embolism in the indwelling needle in the prior art to cause patients to Potential safety hazar

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