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The U.S. Food and Drug Administration (FDA) issues Additional Information (AI) Requests during the review of medical product submissions.

Medical professional using a tablet with digital health protection interface.

On February 3, 2026, the U.S. Food and Drug Administration (FDA) issued a revised version of its cybersecurity guidance for medical devices. While the technical cybersecurity expectations remain largely consistent

Digital shield with checkmark and FDA logo symbolizing cybersecurity and regulation.

Cybersecurity for medical devices is required according to the U.S. Food and Drug Administration (FDA). Medical device manufacturers must comply with federal regulations. Part of those regulations, called quality systems

Medical professional using a tablet with digital health protection interface.

On June 27, 2025, the U.S. Food and Drug Administration (FDA) released its final guidance on “Cybersecurity in Medical Devices: Quality System Considerations and Content of Premarket Submissions.” The guidance

Digital lock symbolizing cybersecurity and data protection.
By Brad Bernia
Project Manager/Software Engineer
Hey there! If you’re working on a medical device and staring down the barrel of an FDA premarket submission, you’ve probably heard
Partial logo with bold white letters on a blue background.

Collaboration delivers automated testing solutions for embedded and safety-critical applications. CriTech is proud to formally announce our partnership with Parasoft, a global software testing leader with a focus on automated

A stethoscope placed on a laptop keyboard symbolizing digital healthcare.

At CriTech, we are not just a software engineering company; we are your partners in innovation and compliance. I’m Bob Rajewski, founder and president, and I’m thrilled to share our

Illustration of four different keys with the text 'The 4 Keys'.
The need for high quality medical device software seems so obvious you might wonder why it needs to be talked about. But how you achieve quality is an excellent topic
Silhouettes of people helping each other climb a hill at sunset.

Hello again! Welcome to another exciting dive into the world of medical device software engineering. Today, we are going to explore how CriTech ensures your medical device software not only

Logo with stylized blue and gray text on a white background.
CriTech and Realtime are Streamlining Medical Device Development. CriTech is excited to announce our new strategic alliance with The Realtime Group.
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Synopsis : The benefits of Independent Verification and Validation (IV&V) of medical device software are many. The purpose of this paper is to discuss the value of Independent Verification and

Medical professional using a tablet with digital health protection interface.

On February 3, 2026, the U.S. Food and Drug Administration (FDA) issued a revised version of its cybersecurity guidance for medical devices. While the technical cybersecurity expectations remain largely consistent

Digital shield with checkmark and FDA logo symbolizing cybersecurity and regulation.

Cybersecurity for medical devices is required according to the U.S. Food and Drug Administration (FDA). Medical device manufacturers must comply with federal regulations. Part of those regulations, called quality systems

Medical professional using a tablet with digital health protection interface.

On June 27, 2025, the U.S. Food and Drug Administration (FDA) released its final guidance on “Cybersecurity in Medical Devices: Quality System Considerations and Content of Premarket Submissions.” The guidance

Digital lock symbolizing cybersecurity and data protection.
By Brad Bernia
Project Manager/Software Engineer
Hey there! If you’re working on a medical device and staring down the barrel of an FDA premarket submission, you’ve probably heard
A stethoscope placed on a laptop keyboard symbolizing digital healthcare.

At CriTech, we are not just a software engineering company; we are your partners in innovation and compliance. I’m Bob Rajewski, founder and president, and I’m thrilled to share our

Illustration of four different keys with the text 'The 4 Keys'.
The need for high quality medical device software seems so obvious you might wonder why it needs to be talked about. But how you achieve quality is an excellent topic
Silhouettes of people helping each other climb a hill at sunset.

Hello again! Welcome to another exciting dive into the world of medical device software engineering. Today, we are going to explore how CriTech ensures your medical device software not only

Blue checkmark on a digital circuit board background.

Synopsis : The benefits of Independent Verification and Validation (IV&V) of medical device software are many. The purpose of this paper is to discuss the value of Independent Verification and

A promotional banner for a tech device series event by The Device Show Experience and C2.

The U.S. Food and Drug Administration (FDA) issues Additional Information (AI) Requests during the review of medical product submissions, such as Investigational New Drug (IND) applications, New Drug Applications (NDAs),

A promotional banner for a tech device series event by The Device Show Experience and C2.

Additional Information (AI) Requests are a part of FDA’s procedure to provide a medical device company with an opportunity to submit additional information missing from the initial submission. This information

A promotional banner for a tech device series event by The Device Show Experience and C2.

Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #3: Missing Software Bill of Materials (SBOM) Based on the information provided in

A promotional banner for a tech device series event by The Device Show Experience and C2.

Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #4: Missing Software Version History You provided some software version history documentation in

A promotional banner for a tech device series event by The Device Show Experience and C2.

Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #5: Missing Observed Results in Test Logs You provided software testing as part

A promotional banner for a tech device series event by The Device Show Experience and C2.

Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #6: Information on OTS used in the Device is Contradictory You provided documentation

A promotional banner for a tech device series event by The Device Show Experience and C2.

Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #7: Missing Software Unit Testing FDA is unable to locate the unit testing

A promotional banner for a tech device series event by The Device Show Experience and C2.

Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #8: Missing Version of a Test Referenced in a Report The XYZ Software

A promotional banner for a tech device series event by The Device Show Experience and C2.

Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #9: Missing Documentation on the Cybersecurity Controls used to Protect the Device You

A promotional banner for a tech device series event by The Device Show Experience and C2.
Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #10: Missing Testing of All Device Functionality
A promotional banner for a tech device series event by The Device Show Experience and C2.
Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #11: Incomplete Software Design Documentation
A promotional banner for a tech device series event by The Device Show Experience and C2.

Here’s this week’s example of an Additional Information Request (AI Request): FDA Additional Information Request – Example #12: Missing Documentation on Differentiating Privileges Based on User Roles Required to Protect

Partial logo with bold white letters on a blue background.

Collaboration delivers automated testing solutions for embedded and safety-critical applications. CriTech is proud to formally announce our partnership with Parasoft, a global software testing leader with a focus on automated

Logo with stylized blue and gray text on a white background.
CriTech and Realtime are Streamlining Medical Device Development. CriTech is excited to announce our new strategic alliance with The Realtime Group.