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Medical Devices involved in Blood Donor Collection, Processing and Screening and HIV Diagnosis





Diane M. Gubernot, M.P.H.
Senior Scientific Reviewer
Division of Emerging and Transfusion Transmitted Diseases
OBRR/CBER



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Objectives of this presentation:
  • To describe the devices reviewed at CBER


  • To define accessories to these devices


  • To summarize regulations and guidance documents applicable to software systems for premarket applications
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Devices Reviewed at CBER:
  • Medical devices involved in the collection, processing, testing, manufacture and administration of licensed blood, blood components and cellular products.


  • CBER also regulates all retrovirus (e.g., HIV) test kits to diagnose, treat and monitor persons with HIV and AIDS.
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Blood Bank & HIV Diagnostic Instrument/Software Devices may be:
  • Stand-alone software -  requires no other devices to effect its intended use. Primarily Blood Establishment Computer Software (BECS)
  • Software that is used in conjunction with automated instruments
  • Automated & semi-automated instruments containing firmware (embedded software)
  • Accessories (e.g. barcode scanners, interfaces) that are used with of any of the above devices
    • Accessory software is linked to a device/instrument and can be either required or optional.

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Medical Device Accessories
  • An accessory to a device is, by definition, a device itself.


  • Software that interfaces to a device or devices is an accessory to that device or devices; however, whether or not it needs a regulatory submission depends on its intended use.



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When is Software an Accessory to a Device?
  • Is the data transfer bi-directional (two-way)?


  • Is the data transfer uni-directional (one way)?
    • If so, are the data used clinically?
    • Are the data needed for the safe use of the instrument?
    • Are the data necessary for the proper operation of the instrument?
  • If yes, to any of the above, it is most likely an accessory.


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When is a Regulatory Submission Needed?
  • The determination of whether or not a regulatory submission is needed is based on the intended use of the accessory


    •  Medical vs. non-medical information
    •  One way vs. two way data flow
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How Do I Know What Kind of Regulatory Submission is Required?
  • The accessory is regulated like the parent device.


  • If the interface is between devices that have different regulatory submission requirements, the accessory is regulated like the parent device with the more stringent submission requirements.
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Examples of Accessories That Require a Regulatory Submission:
  • A “Data Management System” that processes or stores data that is used clinically


  • An order entry or results return interface from or to a device that requires a regulatory submission
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Accessories That Require a Regulatory Submission:
  • A software interface marketed as an option to link an HIV diagnostic system with a Laboratory Information System. Accessory to a Class III device.
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What Are Transfusion Safety Management Systems?
  • An electronic system consisting of a barcode scanning device, specialized software, a portable printer (sometimes), and possibly other accessories
  • Intended specifically for use in matching blood components to the intended recipient
    • Used to scan the barcode on the blood product and the barcode on the patient arm band at the time of transfusion





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Transfusion Safety Management Systems
  • Although these systems might be considered to be an accessory to a device, transfusion safety management systems have been determined to be medical devices within the meaning of section 201(h) of the Federal Food, Drug, and Cosmetic Act (Act)[21 U.S.C. 321(h)] and require a 510(k) submission.


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Platforms used for Donor Screening Assays
  • Intended Use:  For donor blood screening
  • Indications for Use:  The analyte or specific assay for which you are seeking clearance/approval
  • Note:  A change in intended use or indication for use precludes submission of a Special 510(k)
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When Submitting Software/Instrument Applications to CBER:
  • Manufacturers should follow  Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices - 5/11/2005 (available at www.fda.gov/cdrh/ode/337.html).






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Medical Devices involved in Donor Blood Screening or HIV Diagnosis:

  • FDA has determined these to be a Major Level of Concern devices.


  • Announced and discussed at BPAC on
  •    June 15, 2002
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CBER’s Current Considerations:
  • Donor Screening devices for infectious disease testing are:
    • High-risk products
    • Integral to the assay system
    • Require data for safety and effectiveness
    • Highly automated with little or no user intervention
      • Perform Package Insert activities, e.g. control parameters and algorithms for result interpretation
    • Major Level of Concern



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CBER’s Current Considerations:
  • Submission Options:
  • Include the platform documentation in the BLA
  • Submit a separate PMA for the platform


  • Consistent with CDRH’s regulatory review process (intended use of the assay)
  • Risk-based decision
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Summary:
  • All software/instrument systems must follow the QSR for system development.  General Principles of Validation Guidance document should also be referenced.
  • Donor screening devices → Major Level of Concern
  • Accessories to medical devices are classified the same as the parent device.
  • The Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices should be followed to expedite the review process.




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CBER Contacts:
  •     Seek guidance from CBER prior to submitting an application.


  • ABO/Rh devices and BECS:
  • DBA: Linda Weir 301-827-6136


  • Blood collection/infectious disease test devices:
  • Regulatory Products Management Branch 301-827-3524