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Related Experiment Videos

A reconnectable multiway implantable connector.

D N Rushton1, A M Tromans, N de N Donaldson

  • 1Frank Cooksey Rehab Unit, King's College Hospital, Mapother House, de Crespigny Park, Denmark Hill, SE5 8AZ, London, UK. david@rushtons.co.uk

Medical Engineering & Physics
|December 4, 2002
PubMed
Summary
This summary is machine-generated.

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A novel plug-and-socket connector system for implanted medical devices allows safe surgical disconnection and reconnection. One sealing technique ensured high impedance and surgical suitability, proving successful in a patient two years post-implantation.

Area of Science:

  • Biomedical Engineering
  • Implantable Devices
  • Surgical Technology

Background:

  • Existing plug-and-socket connectors for multichannel implanted cables lack intraoperative adjustability.
  • The need for reliable, reconnectable systems for long-term implanted medical devices is critical.

Purpose of the Study:

  • To adapt a standard plug-and-socket connector system for intraoperative disconnection and reconnection.
  • To evaluate the performance of different sealing techniques for such a system under simulated physiological conditions.

Main Methods:

  • Adaptation of a multichannel implanted cable connector system.
  • In vitro testing of five distinct sealing techniques.
  • Evaluation of leakage path impedance and demountability under surgical conditions after saline immersion for three months.

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Main Results:

  • Only one of the five tested sealing techniques met the criteria for high leakage path impedance (>1 megaohm).
  • This selected technique also demonstrated successful demountability under simulated surgical conditions.
  • The adapted system was successfully used in a patient requiring reconnection two years after initial implantation.

Conclusions:

  • A modified plug-and-socket connector system with a specific sealing technique provides reliable, reconnectable functionality for implanted multichannel cables.
  • This innovation enhances the management of implanted devices, allowing for necessary surgical interventions long after initial implantation.