Stress-Softening and Residual Strain Effects in Suture Materials

Table 1

Comparison between experimental and predicted residual strain deformations of the selected suture materials.

Suture material	Maximum previous stretch; 𝜆max	Experimental residual strain	Predicted residual strain	Error (%)
MonoPlus	2.09363	1.6027	1.498	6.5327
	3.1709	2.2103	2.056	6.9809
	4.2483	2.7361	2.646	3.2930
	5.3309	3.3038	3.234	2.1127
Monosyn	1.8165	1.4996	1.464	2.3739
	2.6165	2.0828	1.962	5.7998
	3.4165	2.5559	2.484	2.8131
	4.2165	3.0550	3.007	1.5711
Polyglycolic acid 2-0	1.22	1.100	1.125	2.2727
	1.44	1.230	1.251	1.7070
	1.66	1.380	1.381	0.0724
	1.88	1.537	1.515	1.4313
Polydioxanone 2-0	1.5	1.200	1.277	6.4166
	2.0	1.512	1.566	3.5714
	2.5	1.815	1.862	3.5895
	3	2.167	2.154	0.5999
Polydioxanone 4-0	1.2	1.051	1.051	0.7347
	1.4	1.101	1.099	1.3187
	1.6	1.149	1.147	0.7879
	1.8	1.194	1.198	0.1115
Poly(glycolide-co-epsilon-caprolactone) (PGC25 3-0)	1.3	1.123	1.104	1.7270
	1.6	1.216	1.206	0.8818
	1.9	1.307	1.306	0.0238
	2.20	1.403	1.407	0.2851
Nylon	1.48	1.109	1.235	11.36
	1.96	1.366	1.481	8.4187
	2.44	1.67	1.744	4.4311
	2.92	2.011	2.019	0.3978
Polypropylene	1.4	1.154	1.197	3.72
	1.8	1.361	1.4	2.8655
	2.2	1.564	1.615	3.2608
	2.6	1.855	1.842	0.7008