At CG Labs, we’re committed to staying at the forefront of medical device sterilization technology. As industry leaders with over 40 years of experience, we understand the critical importance of effective sterilization processes in ensuring the safety and efficacy of medical devices. Today, we’re excited to highlight our expertise in Vaporized Hydrogen Peroxide (VHP) sterilization, a method that’s gaining significant traction in the medical device industry.

What is Vaporized Hydrogen Peroxide Sterilization?

Vaporized Hydrogen Peroxide (VHP) sterilization is an advanced, low-temperature sterilization method that uses hydrogen peroxide vapor to eliminate microorganisms on medical devices. This process is particularly valuable for heat-sensitive devices that cannot withstand traditional high-temperature sterilization methods.

The FDA’s Recognition of VHP Sterilization

In a significant development for the medical device industry, the U.S. Food and Drug Administration (FDA) has recently recognized VHP as an established method of sterilization. This recognition, announced on January 8, 2024, marks VHP as an Established Category A sterilization method, alongside other long-standing methods like moist heat, dry heat, ethylene oxide (EtO), and radiation.

Advantages of VHP Sterilization

  1. Low-Temperature Process: VHP sterilization occurs at temperatures of 60°C or lower, making it ideal for heat-sensitive materials and devices.
  2. Environmentally Friendly: Compared to ethylene oxide (EtO), VHP breaks down into water and oxygen, leaving no toxic residues.
  3. Rapid Cycle Times: VHP sterilization cycles are typically shorter than EtO cycles, improving efficiency in medical device processing.
  4. Material Compatibility: VHP is compatible with a wide range of materials, including many plastics and electronics.
  5. Effective Microbial Kill: VHP has demonstrated effectiveness against a broad spectrum of microorganisms, including bacterial spores.

CG Labs’ Approach to VHP Sterilization

At CG Labs, we’ve integrated VHP sterilization into our comprehensive suite of testing and validation services. Our approach includes:

1. Sterilization Efficacy Testing

We conduct rigorous testing to ensure the effectiveness of VHP sterilization for various medical devices. Our methods include:

  • Use of biological indicators to verify sterilization efficacy
  • Evaluation of sterilization in both surface and lumen applications
  • Validation of sterilization processes for different device materials and configurations

2. Biocompatibility Assurance

We understand that sterilization processes must not only be effective but also safe for end-users. Our biocompatibility testing ensures that VHP-sterilized devices meet all necessary safety standards, including:

  • Cytotoxicity testing
  • Sensitization evaluations
  • Irritation studies
  • Systemic toxicity assessments

3. Material Compatibility Studies

Our experts conduct comprehensive material compatibility studies to ensure that VHP sterilization does not adversely affect device performance or integrity. This includes:

  • Evaluating changes in material properties post-sterilization
  • Assessing dimensional stability of devices
  • Analyzing potential changes in device functionality

4. Custom Cycle Development

We work closely with medical device manufacturers to develop and validate custom VHP sterilization cycles tailored to their specific products. This includes:

  • Optimizing cycle parameters for maximum efficacy and minimal material impact
  • Developing process challenge devices (PCDs) to represent worst-case scenarios
  • Validating cycles according to ISO 22441:2022 and FDA guidelines

Regulatory Support and Compliance

As VHP sterilization gains wider acceptance, regulatory requirements are evolving. CG Labs stays ahead of these changes, offering:

  • Guidance on regulatory submissions for VHP-sterilized devices
  • Support in developing sterilization validation protocols that meet FDA and international standards
  • Assistance in preparing documentation for regulatory bodies

The Future of Medical Device Sterilization

The FDA’s recognition of VHP as an Established Category A sterilization method marks a significant milestone in medical device sterilization. This development aligns with the industry’s push towards more environmentally friendly and efficient sterilization methods.

At CG Labs, we’re excited about the potential of VHP sterilization to enhance medical device safety while reducing environmental impact. Our continued investment in VHP technology and expertise positions us as a valuable partner for medical device manufacturers looking to leverage this innovative sterilization method.

Partner with CG Labs for Your VHP Sterilization Needs

Whether you’re considering transitioning to VHP sterilization or need support in validating your existing VHP processes, CG Labs is here to help. Our team of experts combines decades of experience with cutting-edge technology to ensure your medical devices meet the highest standards of safety and efficacy.

Contact us today to learn more about how our VHP sterilization services can benefit your medical device manufacturing process. Together, we can advance medical device safety and innovation, ensuring better outcomes for patients worldwide.

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MORE ABOUT US

C.G. Labs began life in 1983 as a microbiology laboratory founded by Dr. Glenn Crum. In 1996, we relocated to Granbury, TX and expanded our services to include medical device contract manufacturing. We have grown into a multi-service company with three distinct divisions with 19,000 square feet spanning two sites.