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发表于 2025-6-26 09:48:26
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3.
Sample size
: The number of devices chosen for routine testing is dependent on the size of the lot, level of control, statistical considerations, and historical performance. In most cases, each lot of product must be tested using an appropriate number of samples,NMT 10, taken at random to represent the quality of the lot. Alternate sampling plans that utilize small sample sizes or do not test each lot of product must be clearly defined and must be supported/justified by a robust risk assessment,这个是USP上面的一句话,但是YY跟AAMI ST 72都有讲到跳批测试,不过有一堆条件。 |
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