三类医疗器械许可证注册审批大致需要多久？
（一）受理：
申请人向行政受理服务中心提出申请，按照本《须知》第六条所列目录提交申请材料，受理中心工作人员按照《境内第三类、境外医疗器械注册申报资料受理标 准》(国药监械[2005]111号) 的要求对申请材料进行形式审查。申请事项依法不需要取得行政许可的，应当即时告知申请人不受理;申请事项依法不属 于本行政机关职权范围的，应当即时作出不 予受理的决定，并告知申请人向有关行政机关申请;申请材料存在可以当场更正的错误的，应当允许申请人当场更正; 申请材料不齐全或者不符合法定形式的，应当 当场或者在五日内一次告知申请人需要补正的全部内容，逾期不告知的，自收到申请材料之日起即为受理;申请事项 属于本行政机关职权范围，申请材料齐全、符合 法定形式，或者申请人按照本行政机关的要求提交全部补正申请材料的，应当受理行政许可申请。
1. What is a medical device? Beijing wants to understand the enterprises to see here Medical device: refers to instruments, equipment, appliances, materials or other articles used individually or in combination, including required software; their function on the surface of the body is not obtained by pharmacological, immunology or metabolic means, but may participate and play a certain auxiliary role. 2. How many categories are medical devices divided into? There are three categories: The operation of the first type of medical devices does
