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Design methodology for a novel multifunction laparoscopic tool: engineering for surgeons' needs.

Carl A Nelson1, David J Miller, Dmitry Oleynikov

  • 1Dept. of Mechanical Engineering, University of Nebraska-Lincoln, NE, USA.

Studies in Health Technology and Informatics
|March 23, 2007
PubMed
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This study introduces a novel multifunction surgical tool designed to streamline minimally invasive surgery (MIS). By consolidating instrument functions, this innovation reduces operating room time, costs, and patient trauma.

Area of Science:

  • Surgical Engineering
  • Medical Device Design
  • Minimally Invasive Surgery (MIS)

Background:

  • Minimally invasive surgery (MIS) requires frequent instrument exchanges due to limited incisions.
  • Repetitive functions across different surgical instruments in MIS present an opportunity for consolidation.

Purpose of the Study:

  • To redesign current surgical technology by consolidating repeated instrument functions into a single multifunction tool.
  • To integrate surgeon's functional requirements into the design of a novel laparoscopic tool for MIS.

Main Methods:

  • Applied functional decomposition to identify repeated instrument functions in MIS.
  • Utilized axiomatic design principles to guide the redesign of surgical instruments.
  • Conducted a surgeon survey to gather functional requirements for MIS instruments.

Related Experiment Videos

  • Employed Quality Function Deployment (QFD) analysis to inform the design of the multifunction tool.

    • Main Results:

    • Developed a novel handheld laparoscopic tool combining the functionalities of multiple instruments.
    • The design successfully integrated surgeon-specified functional requirements for MIS.
    • The multifunction tool eliminates the need for repeated instrument insertion and removal during procedures.

    Conclusions:

    • The novel multifunction tool significantly enhances efficiency in minimally invasive surgery.
    • This innovation is expected to decrease operating room time, reduce costs, and minimize patient trauma.
    • The study demonstrates the successful application of axiomatic design and QFD in developing integrated surgical tools.