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An engineered solution to the maladministration of spinal injections
  1. R Lawton1,
  2. P Gardner1,
  3. B Green1,
  4. C Davey2,
  5. P Chamberlain3,
  6. P Phillips4,
  7. G Hughes4
  1. 1
    Institute of Psychological Sciences, University of Leeds, Leeds, UK
  2. 2
    Bath Institute of Medical Engineering, University of Bath, Bath, UK
  3. 3
    Sheffield Hallam University, Sheffield, UK
  4. 4
    Surgical Materials Testing Laboratory, Bridgend, UK
  1. Correspondence to Dr Rebecca Lawton, Institute of Psychological Sciences, University of Leeds, Leeds LS2 9JT UK; r.j.lawton{at}leeds.ac.uk

Abstract

Background: An overview is provided of the progress made in a Department of Health (DH) initiative to implement an engineered solution to the maladministration of spinal injections. In an effort to eliminate the possibility of misconnection errors at the spinal route, the DH is investigating the potential for dedicated spinal equipment that will be incompatible with standard Luer syringes, needles and associated devices.

Method: Background information on the problem of misconnection errors is provided and a systematic approach to their eradication is detailed. Research to date has entailed extensive bench-testing of prototype non-Luer connectors, a prospective hazard analysis of spinal procedures in haematology and anaesthesia and usability evaluation of prototype non-Luer devices in simulated environments.

Results: The prospective hazard analysis identified two potential risks which will need to be managed as part of a successful implementation programme.

Conclusion: Usability testing of two prototype connection systems concluded that one design was inadequate, as the non-Luer element was provided as a separable adapter. The second connection system was modified following the first round of testing, and achieved improved satisfaction ratings from clinicians in round two. This system was selected to proceed to a pre-implementation evaluation and the research team are currently evaluating its acceptability in clinical use.

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Footnotes

  • Funding This research was funded by Department of Health Patient Safety Research Portfolio.

  • Competing interests None.

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