A premarket notification (510(k)) is required when a legally marketed device subject to 510(k) requirements is significantly changed or modified in design, components, method of manufacture, or intended use. Significant changes or modifications are those that could significantly affect the safety or effectiveness of the device, or major changes or modifications in the intended use of the device。

As to the detail is following

Labeling changes

Technology, engineering, and performance changes

Materials changes

Technology, engineering, performance, and materials changes

Considerations for risk-based assessments of modified devices

Examples of modifications that may require a new 510(k) include, but are not limited to, the following:

A change in indications for use from prescription use to  over the counter use

Addition of a new patient population

Changes  the environment of use such as from professional use to home use or hospital use to ambulatory transport

Changes  in frequency or duration of use

Change to indicate compatibility with a type of device, component, or accessory that was not indicated as compatible with the previously cleared device

Changes  in sterilization, cleaning or disinfection

Changes in package integrity or shelf-life claims

Changes  in device design

Changes  to employ wireless communication

Changes in the human factors of the patient or user interface

A  change in material type, formulation or chemical composition

Changes in the antibody, detection reagents, critical reaction components or conjugates for in vitro diagnostic (IVD) devices