DOKOSOKO From Design to Production
Contract Manufacturing Processes Materials Procurement Industries Guides Resources
Medical Device Manufacturing

Control the product. Control the records around it.

Medical-device manufacturing can involve precision components, engineered materials, controlled assembly, cleanliness, traceability, inspection, documented processes, supplier qualification, and tightly managed production changes.

Program Control

The manufacturing system should support the specific technical and documentation requirements of the device program.

DESIGNControlled requirements
MATERIALDefined inputs
PROCESSRepeatable production
QUALITYVerification
RECORDSTraceable history
Manufacturing Considerations

Device requirements can influence the material, process, environment, supplier, and inspection strategy.

01

Precision

Small features, mating interfaces, sealing surfaces, alignment, fit, and controlled geometry may require stable manufacturing and measurement.

02

Material Control

Material identity, grade, additives, certifications, supplier source, storage, substitutions, or lot information may require control.

03

Cleanliness

Product requirements may affect cleaning methods, handling, packaging, work areas, contamination control, and downstream processing.

04

Traceability

Parts, lots, materials, processes, inspection records, or production history may need to remain connected through defined identifiers.

05

Change Control

Material, supplier, tooling, process, inspection, software, equipment, or production-location changes may require formal review.

06

Documentation

Drawings, work instructions, inspection records, test results, specifications, revisions, and corrective actions can become part of the manufacturing record.

Common Processes

Medical-device production can combine precision manufacturing with controlled assembly and inspection.

01
CNC machining

Used for precision housings, fixtures, structural components, instruments, prototypes, and metal or plastic device parts.

02
Injection molding

Supports repeatable polymer housings, disposable components, interfaces, covers, clips, handles, and other molded geometry.

03
Metal stamping

Produces clips, brackets, contacts, shields, springs, retainers, and thin formed metal components at recurring quantities.

04
Assembly services

Mechanical assembly, fastening, bonding, joining, labeling, testing, packaging, and electromechanical integration may be combined.

05
Quality inspection

Dimensional measurement, functional testing, visual checks, records, traceability, and controlled acceptance support finished-product verification.

Documentation

Manufacturing history can be as important as the physical component.

The exact documentation required depends on the product and program, but controlled records can support traceability, acceptance, investigations, supplier management, and production continuity.

Current drawings and specifications
Material certifications where required
Inspection and test results
Lot, serial, or production identifiers
Approved process and supplier changes
Nonconformance and corrective-action records
01 Requirement
02 Manufacturing Record
03 Inspection Evidence
04 Released Product
Supplier Qualification

Qualify the supplier around the device program rather than a generic list of capabilities.

01

Process Capability

Confirm equipment, material experience, tolerances, cleanliness, secondary operations, testing, inspection, and production volume fit the work.

02

Quality Controls

Review document control, calibration, inspection, traceability, nonconformance, corrective action, training, and production records.

03

Change Management

Understand how the supplier reviews changes to materials, tooling, equipment, software, methods, outside processors, and locations.

04

Supply Continuity

Evaluate critical material sources, outside processing, specialized equipment, capacity, labor, long-lead components, and contingency planning.

Document supplier responsibilities before recurring production.

Quality agreements can clarify inspection, records, change control, nonconformance, traceability, and acceptance responsibilities.

Quality Agreements →