Table 2.

Linear elastic material properties and patch thickness of different surgical materials commonly used in pediatric cardiovascular operations obtained from in-house biaxial mechanical tests *except, the Main Pulmonary Artery Human—9 year old which is provided from Wagenseil et al.’s study.39

Material	Poisson’s ratio (–)	Young’s modulus (MPa)	Thickness (mm)
Glutaraldehyde treated porcine xenopericardium	0.39	2.89	0.4
Fresh human pericardium	0.4	3.4	0.5
PTFE	0.31	1.4	0.7
Dacron	0.42	1.19	0.6
Main pulmonary artery human—9 year-old*	0.45	0.75	1.0