Unverified90% confidenceDecision RuleTime unknown
低频脉冲类按摩仪(EMS/TENS)应认准国家药监局二类医疗器械注册证(械字号),仅有生产许可或消字号/无认证的产品电流控制不规范,治疗宣称不可信
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90%
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Long-term
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Unverified认准械字号(二类医疗器械注册证)而非'消'字号或无证产品,多普勒仪属二类医疗器械,无医疗认证的设备胎心音识别可信度低且存在超声输出功率不达标风险81% similarUnverified具备二类医疗器械注册证(械字号),相比普通小家电(消字号/非医疗认证产品)在安全性和功效验证上有监管背书,选购理疗仪时械字号是基本门槛80% similarUnverified医疗级电疗产品应具备二类医疗器械注册证(械字号),仅有普通消费类电子备案的产品其电流参数未经医疗验证,慢性病理性腰痛应认准械字号79% similarUnverified具备二类医疗器械注册证(械字号),相比普通保健护腰在电疗输出参数上经过安全审核79% similar
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