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Electronic Device History Records (eDHR)

Definition:

In medical devices and diagnostics (MD&D) manufacturing, manufacturers must keep a record of products that are produced.  This is called the ‘device history record’ or DHR.  Other terms are the batch record or lot history record as examples.  The DHR has been traditionally maintained by paper records, which are a collection of production travelers and other documentation collected into the final as-built record.

These paper travelers and the associated documentation (SOPs and drawings as examples) are also the means of enforcing that product is made according to the device master record (DMR).  While these paper travelers are the means of enforcing that product is made as specified, manual, paper-based systems fall short in effectively error-proofing processes.  These manual, paper-oriented processes expose MD&D companies to unnecessary risks including in-process deviations and non-conformances, which can manifest in product quality issues in the field.  It’s not too much of a leap to imagine how these exposures result in recalls, warning letters, and even consent decrees.

Most medical device companies, whether an emerging start-up not bound by legacy processes and systems, or an established business, recognize that paper is not perfect – it is inefficient, poor at error-proofing processes, and does not provide timely information about how production is running.  Further, most companies acknowledge the compliance risks of paper.

eDHRs, or Electronic Device History Records, are paperless, electronic systems within manufacturing execution systems (MES) that enforce production processes and capture all information associated with as-built production records.  eDHR provides the error-proofing and real-time visibility necessary to produce consistent product quality each and every time.  Should product quality issues arise, eDHR can quickly contain suspect product, either in process or in the field, to take action to address the issue.  The electronic records stored in eDHR yields information that can also help MD&D companies optimize production processes.


Article:

Electronic Device History Records (eDHR) error-proof and collect information associated with manufacturing. A common misconception is that eDHR is merely a DHR converted from paper into an electronic format, or a “paper-on-glass” system, which might be digitally scanned versions of paper documents or “smart” PDF docutments. The true value from eDHR is not achieved merely by “paper-on-glass,” but from actual enforcement and mistake-prevention on the shop floor, also yielding true visibility into operations in real time.

eDHR systems error-proof processes and provide real time visibility and traceability into manufacturing operations. MD&D manufacturers use eDHR to guide operators through their daily activities, enforcing that training records are current, equipment is qualified, the right materials are used, and all data is captured and signatures are recorded.  eDHR eliminates production mistakes such as component mixes and documentation errors.

By capturing data at each and every point in the manufacturing process  – whether it is capturing a test value or result, or the actual components that are bar-code scanned – eDHR can sound a warning if a mistake is made, in many cases preventing human or machine errors.  Should a product quality event occur, eDHR can instantly aid in ‘containment management’ of suspect products.  Affected product, whether it is in production or in the field, can be identified and the proper actions taken.  Defective in-process product can be put on hold, or the scope of a recall might be reduced to only the suspect product in the field as examples.

Production data, which was previously stored away in folders and files cabinets, is captured in the eDHR and is available securely online for analysis, helping to optimize processes.  At each step of the manufacturing process, data is collected and specifications are enforced, enabling comprehensive traceability with instant visibility across the whole enterprise via drill down into production and quality dashboards and KPIs.

Using eDHR, all data must be complete and within spec before a product is allowed to continue on in the manufacturing process. This ‘self-auditing’ nature of the eDHR enables a more streamlined process.  eDHR improves manufacturing performance by eliminating many of the non-value-added activities that increase cycle time, such as in-process (or Manufacturing) DHR reviews.  eDHR also significantly reduces the final review and release (Quality review) processes which allows MD&D companies to get products to customers faster while introducing an opportunity to reduce WIP and FG inventory buffers that are built in to accommodate the latency associated with slow paper DHR processes.

eDHR ensures consistent product quality by establishing a platform to execute production and collect detailed quality data in real time. In many cases, product quality improves as a result of better enforcement and by engineering and quality using the valuable information stored in the eDHR to analyze how processes are performing.  Yield, throughput and non-conforming material reports are produced by an eDHR system, allowing users to look at quality from a holistic perspective. Access to real-time information is available on a global basis, anytime, anywhere, helping users to determine whether corrective and preventive actions (CAPAs) need to be taken.

An eDHR system can help manufacturers meet high-priority goals that improve the bottom line.  The benefits of eDHRs are available to both large and emerging MD&D companies.  Global MD&D companies report reductions in non-conformances, significant overhead reductions and the associated savings, and a reduced risk and exposure to quality incidents.  Emerging MD&D companies are stabilizing their processes more quickly with better enforcement and real-time information and trends.  All MD&D companies have greatly reduced the time it takes to get products to their customers with a more streamlined end-to-end process, resulting in increased quarterly revenues by slashing the time it takes to review/release and recognize revenue.

Benefits of eDHR

  • Error-proof processes for right first time, every time
  • More consistent product quality
  • Improve process visibility
  • Containment management when quality issues arise
  • Ensure full product traceability
  • Minimize manufacturing and regulatory overhead
  • Significantly reduce cycle times, improve yields and increase capacity

Related words: Electronic DHR, Paperless DHR, Paperless Device History Record, Electronic Device Record, eDHR, eBR, eLHR, electronic batch records, electronic lot history records

 

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