一种改进的活检针

Modified biopsy needle

  • Inventors: JIE GUITAO
  • Assignees: 接贵涛
  • Publication Date: March 26, 2008
  • Publication Number: CN-201040001-Y

Abstract

The utility model discloses an improved puncturing biopsy needle which comprises a needle body, a needle core and a needle handle, wherein, the needle body is connected with the needle handle and the end part has a screw groove. The needle core is a solid tiny needle which can slide inside the needle body. Through adopting the structure, while extracting an organism, the biopsy needle makes the action of clockwise rotating cutting with even cut and little damage to the sampled organism. Compared with the biopsy needle of the prior art, the utility model has the advantages of a little pain and wound to a patient, a little bleeding and high biopsy success rate.
本实用新型一种改进的穿刺活检针,该穿刺活检针包括针体、针芯和针柄,针体连接在针柄上,针体端部带有螺旋槽,针芯为一实心细针并在针体内可以滑动。由于采用上述结构,该活构针取出组织时为顺时针旋转切割动作,切口均匀,对标本组织损伤小,与现有活检针相比,具有患者痛苦小、创伤小,出血少,活检成功率高的优点。

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