Anthropomorphic simulator for minimally invasive epicardial access procedures

Journal of Medical Engineering & Technology
H V GyurjyanS Mahapatra

Abstract

We have developed a prototype, in vitro anthropomorphic model for simulating pressure-guided, subxiphoid access procedures done to enable minimally invasive epicardial cardiac procedures including treatments for ventricular tachycardia. Life-size replicas of the heart and lungs were modelled using anatomically accurate surrogates. The dynamic pressure-frequency profiles of simulated pericardial fluid surrounding the water-pumped replica heart were measured and validated against previously acquired human intrapericardial pressure observations (Pearson's r = 0.88, p < 0.001). In replicating access procedures for approaching and entering the pericardial space, the system produced physiologically appropriate pressure measurements at each intermediate point along the needle's insertion pathway. Details of construction and performance are presented and discussed.

References

Jul 11, 2002·The American Journal of Cardiology·Eduardo SosaAndré d'Avila
Jun 12, 2003·Journal of the American College of Cardiology·Josep BrugadaLluis Mont
Sep 5, 2003·Postgraduate Medical Journal·T R Betts
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Mar 11, 2009·IEEE Transactions on Bio-medical Engineering·Jason M Tucker-SchwartzSrijoy Mahapatra

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Citations

May 26, 2015·Journal of Medical Engineering & Technology·B J HackG T Gillies

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