1引言目前国际上大多数医院采用自动切割式活检枪进行肾穿刺活检,因价格较昂贵等因素难以在我国基层医院推广。在我国不少医院仍采用改良Menghini型负压式穿刺针进行肾穿刺活检。传统的 1 Introduction At present, most hospitals in the world adopt automatic biopsy gun to perform renal biopsy, which is difficult to popularize in primary hospitals in our country due to the high price. Many hospitals in our country are still using modified Menghini negative pressure needle for renal biopsy. traditional