multi-point testicular puncture needle

Abstract

The invention relates to a multipoint testicular puncture needle. The multipoint testicular puncture needle comprises inside needle fixing sliders, outside needle fixing sliders, an inside buckle, an outside buckle, inside sliding grooves, outside sliding grooves, an inside spring, an outside spring, a control button, a protective shell, inside puncture needle bodies and outside puncture needle bodies. The multipoint testicular puncture needle has the advantages that enough tissue can be punctured through multipoint biopsy puncture for histopathological examination, testicular spermatogenic function is estimated conveniently, sperms can be found out through microscope inspect directly to be used for in-vitro fertilization during the 'test-tube baby' process, damage to the tissue is quite small, and the multipoint testicular puncture needle, a novel puncture instrument, is convenient in operation, good in safety and broad in clinical application prospect.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a multi-point testicular puncture needle. Background technique [0002] According to the statistics of the World Health Organization (WHO), about 10-15% of couples of childbearing age in the world have infertility problems, and male factors account for about half of the infertility. In male infertility, azoospermia is undoubtedly the most serious problem. In the diagnosis and treatment of azoospermia, testicular puncture or testicular biopsy plays a vital role in the diagnosis, classification and decision-making of the next treatment plan for azoospermia. [0003] Testicular puncture is a new technology developed in recent years. With the rapid development of human assisted reproductive technology in infertility treatment, especially intraoocyte single sperm injection requires sperm extraction through testicular puncture or evaluation of testicular spermatogenic func...

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