Muscle scraping manipulator for minimally invasive hip joint surgery (system design and evaluation of the workspace)

Masaru Yanagihara, Jun Okamoto, Takeshi Ishii, Yasuyuki Momoi, Norihiro Mitsui, Hideo Yano, Masakatsu G. Fujie

Research output: Contribution to journalArticle

Abstract

Hip joint surgeries are commonplace in our aging society. In this paper a prototype of a muscle scraping manipulator for minimally invasive RAO (Rotational Acetabular Osteotomy and one of the hip joint surgeries) is described. The muscle scraping manipulator's role is to make a surgical space between muscles and the surface of bone around hip joint for the other manipulator whose role is to cut bone. The mechanical structure is very thin to follow narrow path and tough enough to scrape and retract muscles around hip joint. The prototype is designed based on the required specification from the experiment data. The prototype has 9 DOF, in which 3 DOF manipulator are capable of controlling the tip position and the force between muscle tissues and the surface of the bone. 6 DOF manipulator's role is to position the 3 DOF manipulator. Evaluation of the prototype was done by using a compliant control as scraping method of muscle tissues from surface of the bone. The capability is revealed as a scraping length on a phantom of 140 mm around human hip joint model. We shall continue to study a stable control method to scrape tissues.

Original languageEnglish
Pages (from-to)372-379
Number of pages8
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume74
Issue number2
Publication statusPublished - 2008 Feb
Externally publishedYes

Fingerprint

Surgery
Manipulators
Muscle
Systems analysis
Bone
Tissue
Aging of materials
Specifications
Experiments

Keywords

  • Manipulator
  • Medical and welfare assistance
  • Minimaly invasive surgery
  • Motion control
  • Mutlti-DOF
  • Workspace

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Muscle scraping manipulator for minimally invasive hip joint surgery (system design and evaluation of the workspace). / Yanagihara, Masaru; Okamoto, Jun; Ishii, Takeshi; Momoi, Yasuyuki; Mitsui, Norihiro; Yano, Hideo; Fujie, Masakatsu G.

In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 74, No. 2, 02.2008, p. 372-379.

Research output: Contribution to journalArticle

Yanagihara, Masaru ; Okamoto, Jun ; Ishii, Takeshi ; Momoi, Yasuyuki ; Mitsui, Norihiro ; Yano, Hideo ; Fujie, Masakatsu G. / Muscle scraping manipulator for minimally invasive hip joint surgery (system design and evaluation of the workspace). In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 2008 ; Vol. 74, No. 2. pp. 372-379.
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