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Related Experiment Videos

Less invasive off-pump CABG using a suction device for immobilization: the 'Octopus' method

E W Jansen1, P F Gründeman, C Borst

  • 1Division of Cardiothoracic Surgery, Heart-lung Institute, University Hospital, Utrecht, Netherlands.

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|October 23, 1997
PubMed
Summary

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The Octopus device safely immobilizes the heart for coronary artery bypass grafting, enabling precise suturing and fast patient recovery with high graft patency rates.

Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Procedures
  • Medical Device Technology

Background:

  • Precise anastomosis suturing is critical for coronary artery bypass grafting (CABG) on a beating heart.
  • Minimally invasive approaches require effective methods for local heart muscle immobilization.

Purpose of the Study:

  • To evaluate the efficacy and safety of a novel suction device, the 'Octopus', for local heart muscle immobilization during off-pump CABG.
  • To assess the feasibility of limited access surgical techniques using this device.

Main Methods:

  • The 'Octopus' device uses suction to restrain anastomosis site motion to 1x1 mm.
  • 27 patients with severe angina underwent off-pump CABG via limited access (anterior thoracotomy or subxiphoid incision).
  • The device was fixed to the operating table-rail via an arm construction.

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Main Results:

  • The 'Octopus' effectively immobilized the target site, facilitating precise suturing for 27 grafts (20 single, 7 sequential).
  • Graft harvesting averaged 48 +/- 12 minutes; 95% of anastomoses were patent at 6-month angiography.
  • Postoperative hospital stay averaged 4.0 +/- 1.2 days, with patients resuming activities within 4 weeks and remaining angina-free.

Conclusions:

  • The 'Octopus' immobilization method is safe and effective for selected patients undergoing minimally invasive CABG.
  • This technique facilitates less invasive procedures, leading to faster patient recovery.
  • High graft patency rates and rapid return to social activities were observed.