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Forensic identification using multiple lot numbers of an implanted device.

H Takeshita1, T Nagai, M Sagi

  • 1Department of Legal Medicine, St. Marianna University School of Medicine, Japan.

Medicine, Science, and the Law
|September 21, 2013
PubMed
Summary
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Forensic identification of a deceased individual was achieved using multiple lot numbers on an implanted intramedullary nail. This method leverages product traceability and unique lot number combinations for rapid identification.

Area of Science:

  • Forensic Science
  • Medical Device Technology
  • Biomaterials Engineering

Background:

  • Establishing the identity of unidentified deceased individuals is a critical challenge in forensic investigations.
  • Body implantable devices, such as orthopedic implants, can potentially serve as unique identifiers.

Observation:

  • An autopsy revealed an intramedullary nail in the femur of an unidentified deceased woman.
  • The specific configuration of the intramedullary nail allowed identification of the device manufacturer.

Findings:

  • Multiple lot numbers on the implantable device enabled tracing its "use history" through manufacturer and distributor records.
  • The unique combination of lot numbers significantly reduced the probability of coincidental matches, facilitating rapid identification.
Keywords:
body implantable devicesforensic identificationintramedullary naillot number

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Implications:

  • This case highlights the significant utility of multiple lot numbers on body implantable devices for effective forensic identification.
  • Enhanced traceability systems for medical devices can improve identification processes in forensic casework and public health.
  • The study underscores the importance of manufacturers' accountability for product traceability in quality control and identification.