--- title: "CCI, Container Closure Integrity | MedTech Terms" description: "Demonstration that a sterile package maintains microbial barrier and contents integrity over the labeled shelf life." lang: en json-ld: | { "@context": "https://schema.org", "@graph": [ { "@type": "DefinedTerm", "@id": "https://medtechterms.com/terms/container-closure#term", "name": "Container Closure Integrity", "alternateName": "CCI", "description": "CCI testing methods (dye ingress, helium leak, vacuum decay, microbial challenge) confirm that the sterile barrier system protects sterility. 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[Home](/) 2. / 3. [Terms](/terms) 4. / 5. [Manufacturing](/terms?cat=Manufacturing) 6. / 7. Container Closure Integrity [All terms](/terms) Manufacturing [Manufacturing & Supply](/ecosystems/manufacturing-supply)CCI # Container Closure Integrity Demonstration that a sterile package maintains microbial barrier and contents integrity over the labeled shelf life. Reviewed by [Christian Espinosa, Founder, Blue Goat Cyber](/authors/christian-espinosa) Last reviewed May 5, 2026 ## Definition CCI testing methods (dye ingress, helium leak, vacuum decay, microbial challenge) confirm that the sterile barrier system protects sterility. ISO 11607 references CCI methods; package validation must address transport hazards in addition to long-term stability. What the regulation says Container Closure Integrity (CCI) is a critical aspect of sterile medical device packaging, as recognized by standards such as ISO 11607, "Packaging for terminally sterilized medical devices." Regulatory bodies like the FDA emphasize that package validation must demonstrate a package's ability to maintain sterility over its [shelf life](/terms/shelf-life) and through simulated distribution, aligning with requirements in 21 CFR Part 820, [Quality System Regulation](/terms/qsr). The EU [MDR](/terms/mdr-reporting), in Annex I, [General Safety and Performance Requirements](/terms/gspr), also necessitates that devices be designed and produced in a way that does not compromise their sterility at the point of use. ## What this means in practice CCI failures are a leading cause of recalls and field corrections in sterile-packaged devices. ## Examples - A manufacturer performs a dye ingress test on a sterile blister package after accelerated aging to assess its CCI over the product's shelf life. - During package validation, a helium leak test is conducted on a sterile syringe system to detect very small leaks that could compromise sterility. - A medical device company uses a microbial challenge test to demonstrate that its packaging system can prevent the ingress of bacteria under worst-case conditions. Common pitfalls - • Failing to integrate CCI testing into a comprehensive package validation plan can lead to regulatory non-compliance. - • Ignoring the impact of manufacturing process variations on CCI can result in compromised sterile barriers. - • Selecting CCI test methods that are not sensitive or appropriate for the specific device and package design can provide a false sense of security. - • Not considering the effects of transportation and handling stresses on CCI can lead to sterility breaches in the field. - • Delaying CCI testing until the final stages of design and manufacturing can lead to costly rework and project delays. ## Frequently asked questions What is the primary purpose of Container Closure Integrity testing? The primary purpose of CCI testing is to confirm that the sterile barrier system effectively protects the sterility of a medical device throughout its [shelf life](/terms/shelf-life) and distribution, preventing ingress of contaminants. How does ISO 11607 relate to CCI? What are some common CCI testing methods? Why is it important to consider transport hazards in CCI validation? ## Related terms Grouped by theme ### Editor's picks · Hand-selected related concepts [ Manufacturing Stability Testing Studies that establish how device performance and packaging hold up over time. ](/terms/stability-testing)[ Standards ISO 11607-1/-2 Standards for sterile barrier systems for terminally sterilized medical devices. ](/terms/iso-11607) ### More in Manufacturing · Same category [ Manufacturing Bill of Materials(BOM) Structured list of every component, sub-assembly, and quantity needed to manufacture a device. ](/terms/bom)[ Manufacturing Bioburden Quantification of viable microorganisms on or in a product before sterilization. ](/terms/bioburden)[ Manufacturing Cleanroom Classes (ISO 14644) ISO 14644 classification of cleanrooms by airborne particulate cleanliness (ISO 1 through ISO 9). ](/terms/cleanroom-iso-14644)[ Manufacturing Counterfeit Parts and Suspect Components Risk of unauthorized, fraudulent, or substandard components entering the supply chain. ](/terms/counterfeit-parts) Cited by Where this term appears across MedTech Terms. Ecosystems (1) - [Manufacturing & Supply](/ecosystems/manufacturing-supply) ## Primary references 3 sources Link health: 3 verified · last checked 2026-06-20 ISO· 2 IMDRF/GHTF· 1 1. [1 ISO 11607-1 Verified ISO · iso.org ](https://www.iso.org/standard/70799.html) 2. [2 ISO 13485 Standard Page Verified ISO · iso.org ](https://www.iso.org/iso-13485-medical-devices.html) 3. [3 GHTF/IMDRF Process Validation Guidance Verified IMDRF/GHTF · imdrf.org ](https://www.imdrf.org/sites/default/files/docs/ghtf/final/sg3/technical-docs/ghtf-sg3-n99-10-2004-qms-process-guidance-04010.pdf) Inline markers like \[1\] jump to the matching reference above. Sponsor note ### Production controls for connected devices? We help device manufacturers operationalize cybersecurity in design transfer, production, and supplier controls. [Book a 30-minute discovery session](https://go.bluegoatcyber.com/meetings/blue-goat-cyber/discovery-session) - No obligation - Expert-led from minute one - NDA available on request MedTech Terms is a community resource sponsored by [Blue Goat Cyber](https://bluegoatcyber.com). Definitions are independent of any vendor. On this term Category Manufacturing Acronym CCI Sources 3 Updated 5/5/2026 [Compare with another term](/compare?a=container-closure) Learn in 60 seconds Card Lesson Quiz Demonstration that a sterile package maintains microbial barrier and contents integrity over the labeled shelf life. - · CCI failures are a leading cause of recalls and field corrections in sterile-packaged devices. - · ISO 11607 references CCI methods; package validation must address transport hazards in addition to long-term stability. Remember this Watch out: Failing to integrate CCI testing into a comprehensive package validation plan can lead to regulatory non-compliance. Related terms - [ISO 11607-1/-2 ](/terms/iso-11607) - [Stability Testing ](/terms/stability-testing) You may also need Auto-suggested from Manufacturing and shared keywords. - [Shelf Life ](/terms/shelf-life) - [Endotoxin Testing (LAL) ](/terms/endotoxin) - [Process Capability (Cp/Cpk) and SPC ](/terms/spc-cpk) - [AI Act Technical Documentation (Annex IV) ](/terms/ai-act-technical-documentation) - [Over-the-Air Updates(OTA) ](/terms/ota-updates) - [Bioburden ](/terms/bioburden) [All Manufacturing terms](/terms?cat=Manufacturing) MedTech Terms An authoritative, plain-language reference for the regulatory, quality, cybersecurity, and software terms that shape modern medical devices. 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