1.承诺时限：自受理之日起，90日内作出行政许可决定。

2.实施机关：

实施机关：国家食品药品监督管理局

受理地点：国家食品药品监督管理局行政受理服务中心

3.事项变更：

医疗器械产品注册证书所列内容发生变化的，持证单位应当自发生变化之日起30日内，申请办理变更手续或者重新注册。

4.许可证件有效期与延续：

医疗器械产品注册证书有效期四年。持证单位应当在产品注册证书有效期届满前6个月内，申请重新注册。

In Beijing, the application for a Class III medical device license requires the following steps: 1. Prepare application materials: In accordance with the Regulations on Supervision and Administration of Medical Devices and relevant provisions, prepare relevant application materials, including the business license of enterprise legal person, product quality management system documents, product registration certificate, product technical documents, product operation manual, production license, etc. 2. Self-inspection preparation: conduct self-inspection of the internal