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实用新型
CN2325032Y 半自动负压抽吸活检注射器 失效 - 权利终止

半自动负压抽吸活检注射器
摘要：
本实用新型为一种半自动负压抽吸活检注射器,是在普通注射器内芯上固定一呈阶梯的锁定器,在注射器内芯被抽出至一定长度时由于锁定器的锁定作用使注射器的负压抽吸状态得以保持,使操作者省时省力,并提高相关操作的准确性。
摘要（英）：

The utility model discloses a semi-automatic negative pressure suction and biopsy syringe. A stepped locking device is fixed on a common syringe inner core. When the common syringe inner core is drawn out for a certain length, the negative pressure suction state of the utility model is maintained under the locking action of the locking device, which enables operators to save time and labor, and related operating accuracy is improved.

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