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Shelf Life of Medical Devices

FinalCenter for Devices and Radiological Health04/01/1991

Scope & Applicability

Product Classes

8
Medical Device

FDA intends to assess device cybersecurity based on a number of factors; demonstrate or maintain its safety and effectiveness; ensuring cybersecurity has become essential to FDA’s ability to protect the public health; Cyber-resiliency capabilities for medical devices

Class III Device

Generally recommended for Enhanced Documentation; Regulatory classification mentioned for implantable sensors and HPV tests; Mentioned in the context of an in vitro nucleic acid test for CMV DNA.

Surgeon's Gloves

Referenced under 1000 ML WATER METHOD and 335.700; Medical gloves regulated for defects and HIV protection.; Quality and defect criteria

Medical Gloves

FDA classifies these devices as accessories to medical gloves.; The primary subject of the guidance manual.

In Vitro Diagnostic Devices

Validation of certain in vitro diagnostic devices (IVDs) for emerging pathogens; Validation of certain IVD devices for emerging pathogens

Intraocular Lenses

Permanent implants placed in the eye

Class III Soft (Hydrophilic) Contact Lens Solutions

Testing guidelines for hydrophilic contact lens solutions.

Class III Contact Lenses

Guidance document for determining shelf life of Class III contact lenses.

Stakeholders

3
sponsor

responsible for justifying omission of studies

Medical Device Manufacturers

Entities preparing and maintaining a QMS; entities intended to prepare and maintain a QMS

Manufacturer

Entity responsible for submitting NDINs

Regulatory Context

Attributes

8
Shelf Life

Determined based on stability data; Established through stability testing; also called dating period.; Established through formal stability studies; Establishing the period during which a drug product is expected to remain within specifications; Period for drug products; The period during which a drug product is expected to remain within specifications; Duration product remains within acceptance criteria; Period during which product remains within specifications; Established for intermediates pu

Preservative concentration

Monitored parameter for solution stability.

Viscosity

Physicochemical characteristic used to assure product acceptability.

pH

Intrinsic characteristic affecting the growth of L. monocytogenes; intrinsic characteristic used as a process control; parameter to monitor for control; Process control parameters such as pH; Used to define listeristatic formulations

sterility assurance level

If the sterility assurance level (SAL) is lowered, manufacturers should consider whether device safety or effectiveness may be compromised.

Expiration Date

Property of a device that may be changed via established protocols

Stability

A functional role of sodium in food

Biocompatibility

impact the biocompatibility of the device

Identified Hazards

Hazards

4
Degradation

relevant known risk factor

Microbiological contamination

Potential for contamination of covered produce; Known or reasonably foreseeable hazards in water

Radioactive Decay

radioactive material with a relatively short half-life

Microbial Load

Considered when products cannot be well-characterized.

Related CFR Sections (5)

Related Warning Letters (10)

  • CGMP/QSR/Medical Devices/Adulterated

    Envoy Medical Inc.

    2025-12-09
  • CGMP/QSR/Medical Devices/Adulterated

    Hong Qiangxing Shenzhen Electronics Limited

    2025-11-25
  • CGMP/QSR/Medical Devices/Adulterated

    Contec Medical Systems Co., Ltd.

    2025-10-28
  • CGMP/QSR/Medical Devices/Adulterated/Misbranded

    Royal Philips

    2025-10-28
  • CGMP/QSR/Medical Devices/Adulterated/Misbranded

    Qianjiang Kingphar Medical Material Co Ltd.

    2025-10-28
  • CGMP/QSR/Medical Devices/Adulterated

    LEVO AG

    2025-10-21
  • CGMP/QSR/Medical Devices/Adulterated

    Technological Medical Advancements LLC

    2025-10-07
  • Medical Device/Adulterated/Misbranded/Lacks PMA and/or 510(k)

    The Richline Group, Inc.

    2025-09-23
  • Investigational Device Exemptions (IDE)/Premarket Approval Application (PMA) Adulterated Device

    SeniorLife Technologies, Inc.

    2025-09-16
  • CGMP/QSR/Medical Devices/Adulterated

    Miach Orthopaedics

    2025-08-26

See Also (8)