目前常用的活检穿刺针，由于吸取标本阳性率不高，存在有一定的局限性。我们对穿刺针头进行了改良，自制三套双齿负压活检针，用于穿刺病人体表、淋巴结、乳腺、甲状腺等组织器官，进行活体组织的病理性诊断。应用63例，报告如下。1资料男25例，女38例。平均年龄42．3岁。良性 The commonly used biopsy puncture needles have certain limitations due to the low positive rate of aspirating specimens. We have improved the puncture needles and made three sets of double-needle negative pressure biopsy needles for puncturing the patient’s body surface, lymph nodes, breasts, thyroid glands and other tissues and organs for the pathological diagnosis of living tissue. The application of 63 cases, the report is as follows. 1 data male 25 cases, female 38 cases. The average age is 42.3 years. benign