ISO 13485: What the Certificate Scope Actually Covers

What our certificate actually says

The standard is ISO 13485:2016, the certificate number is 69136, and the scope covers the manufacture of hydrocolloid patches — coating, lamination and converting in our own plant in Hangzhou. Certification is by an external body, which audits annually for surveillance and re-issues the certificate on a three-year cycle. If a supplier's certificate is dated before 2016, the system was certified against a standard that has since been replaced.

Four fields to read before you accept any certificate

The scope sentence is the field that separates factories. "Manufacture of hydrocolloid patches" is a different claim from "distribution of medical consumables", and the second one will not survive a retailer's supplier approval even though both pass the logo test.

What an auditor samples in a coating plant

An ISO audit is a sampling exercise, and it follows the product rather than the org chart. In practice it lands in five places.

Traceability, walked backwards. The auditor picks a carton and follows it to the coating run, the laminate lot and the incoming material inspection. If any step is reconstructed from memory instead of a record, the finding writes itself. This is also the test a buyer can run: ask for one carton's record pack.

Instruments and calibration. Every measurement that a specification depends on needs a device with a calibration certificate inside its validity window — the micrometer used for thickness, the tensile tester used for peel, the pH meter used for incoming material. A gauge that is out of calibration invalidates the numbers it produced, which is why auditors go to the bench rather than the file cabinet.

Environment. Differential pressure across the cleanroom boundary, particle counts, gowning discipline and the environmental monitoring record for the coating room. This is where a photo in a brochure and a monitored room diverge: monitoring leaves a chart with dates on it.

Supplier qualification and incoming inspection. Film, adhesive, liner and matrix raw materials each arrive with a specification and a record of what was checked. pH and thickness checks on incoming material are the cheapest place to stop a problem, and auditors know it.

CAPA and management review. The least photogenic part and the most diagnostic. A factory with no non-conformities in three years is not a factory with no problems; it is a factory whose reporting does not work. What the auditor wants to see is a finding, a root cause, a change, and evidence the change held.

The documents worth asking for

None of these require an NDA, and all of them are more informative than the certificate PDF:

What we do not send is other clients' records or full internal audit reports. That is not secrecy about the certificate; it is the same confidentiality that keeps your artwork out of someone else's folder.

Where the quality system ends and the claim begins

Henso's facility registration is FEI 3012706495, with owner/operator number 10057010. That registration tells a customs officer and an importer who made the goods and where. It is not a product approval, and no patch from any factory should be marketed as "FDA approved" — the phrase does not exist as a status for this product category.

Whether your patch can say it treats acne, or must present itself as a cosmetic dressing, is decided by the regulatory route you choose in your market, not by the factory's certificates. A factory that tells you otherwise is selling you confidence rather than compliance.

Import paperwork is the other half of the same question. What a US importer is actually required to hold, and what our facility registration does and does not cover at the border, is set out in FDA requirements for importing hydrocolloid acne patches into the US.

A ten-minute check you can run yourself