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Related Experiment Videos

A new bladder allows kinetic venous augmentation with a roller pump.

Y Tamari1, K Lee-Sensiba, R Ganju

  • 1Department of Surgery, North Shore University Hospital and New York University School of Medicine, Manhasset 11030, USA. Yahoda@yahoo.com

Perfusion
|December 10, 1999
PubMed
Summary

A new venous augmentation system using a roller pump and Better-Bladder device improves venous return during minimally invasive cardiac surgery. This system offers safe, controlled drainage without introducing air into the arterial line.

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Area of Science:

  • Cardiovascular Surgery
  • Medical Device Engineering

Background:

  • Augmented venous drainage is crucial for adequate venous return in minimally invasive cardiac surgery.
  • Existing systems, like centrifugal pumps or direct suction, have limitations including air entrapment and potential arterial line air introduction.

Purpose of the Study:

  • To develop and evaluate a novel venous augmentation system for closed venous reservoirs.
  • To provide enhanced suction control and prevent air introduction into the arterial line.

Main Methods:

  • Development of a new system replacing centrifugal pumps with a roller pump controlled by the Better-Bladder device.
  • The Better-Bladder, an FDA-cleared device, acts as an in-line reservoir and allows noninvasive pressure measurement.
  • The system was tested for safe and smooth pump control.

Related Experiment Videos

Main Results:

  • The new system provides excellent suction control for venous augmentation.
  • It effectively prevents the potential for air introduction into the arterial line.
  • The Better-Bladder facilitates safe and smooth roller pump operation in the venous line.

Conclusions:

  • The developed venous augmentation system offers a safe and effective alternative to existing methods.
  • It addresses the shortcomings of previous systems, enhancing patient safety during cardiac surgery.
  • This innovation improves venous return management in minimally invasive cardiac procedures.