Toolpath generator for multi-axis medical machine tool to optimize cutting tool posture and position before skin incision

Wataru Nawata, Naohiko Sugita, Yoshikazu Nakajima, Takeharu Kato, Kazuo Fujiwara, Nobuhiro Abe, Toshifumi Ozaki, Masahiko Suzuki, Mamoru Mitsuishi

Research output: Contribution to conferencePaper

Abstract

A robotic system has been developed for Minimally Invasive Surgery (MIS) in Total Knee Arthroplasty (TKA). In MIS TKA, it is imperative to achieve high accuracy of bone cutting and short skin incision. However, MIS TKA has a challenging issue as to the tool insertion into the small incision area. Moreover, an inappropriate incision causes inability of bone cutting or interference between tool and skin. Therefore, tool path generation method was developed based on the optimized incision placement. The experiments with model and swine legs showed that we could successfully implement the operation within 80 mm incision in clinical use.

Original languageEnglish
Publication statusPublished - 2011
Event6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011 - Omiya Sonic City, Saitama, Japan
Duration: Nov 8 2011Nov 10 2011

Other

Other6th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2011
CountryJapan
CityOmiya Sonic City, Saitama
Period11/8/1111/10/11

Keywords

  • Knee arthroplasty
  • Medical CAM
  • Multi-axis machine tool

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering

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