Device evidence library

Read a PMA decision in context.

Start with the original application, then follow the specific change cited by a supplier. These guides explain different reading tasks; they do not determine current product eligibility.

01 · Original application

What was approved originally?

Locate the starting device, decision date and documents. Keep the historical scope separate from later changes.

Read the original PMA guide

02 · Specific supplement

What did this S-number change?

Compare a hardware-design change with a study protocol decision. Keep model references and dates beside the actual change statement.

Read the PMA supplement guide

FDA source links, consultation dates and limitations are included in each guide. This navigation index is not an additional evidence study.