A technique for real-time digital measurements in laparoscopic surgery

R. McKinlay, M. Shaw, A. Park

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Background: The current techniques for the measurement of intracorporeal targets in laparoscopic surgery are relatively cumbersome and imprecise. Methods: A structured light technique was used to obtain the length and width of two defects and an object in a laparoscopic training box. These measurements were compared against two current and standard laparoscopic techniques of intracorporeal measurement: the introduction of a plastic ruler and the use of an opened end of a laparoscopic instrument to approximate 2 cm. The time needed to measure the defects and object was recorded. Results: Structured light-derived measurements were closest to the criterion standard, followed by plastic ruler measurements, then by instrument-end measurements. Digital measurements were quickest, followed by the instrument-end method, then by the plastic ruler. Conclusions: This report describes a novel structured light technique for laparoscopic measurement of intracorporeal targets capable of producing results superior to those of current techniques.

Original languageEnglish (US)
Pages (from-to)709-712
Number of pages4
JournalSurgical Endoscopy and Other Interventional Techniques
Issue number4
StatePublished - Apr 2004
Externally publishedYes


  • Digital
  • Intracorporeal target
  • Laparoscopy
  • Measurement
  • Structured light

ASJC Scopus subject areas

  • Surgery


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