【正文】
等級(jí) 定性描述 1 無(wú) No effect on patient status or procedural oute 2 很低 Minimal to alteration of patient’s baseline status. No promise in final result. 3 低 Significant alteration of patient’s baseline status. 4 中 等 Serious alteration in patient baseline status. May involve 5 高 Critical alteration in patient baseline status. 6 很高 Deathdevice related. 7. 探測(cè)度等級(jí)的評(píng)定準(zhǔn)則 等級(jí) 定性描述 1 幾乎肯定 Can be detected prior to engineering prototype: previous product history, relevant research phase tes