Table 1.

Specifications of the vascular-like constructs that can be fabricated using combinations of needle pairs of different sizes

	Specifications of glass capillary and needles							Specifications of fabricated vascular constructs
	Capillary diameter (mm)	Outer needle			Inner needle			Adventitia (µm)	Media (µm)	Lumen (µm)	Vessel diameter (mm)	Total wall thickness
		Gage	OD (µm)	ID (µm)	Gage	OD (µm)	ID (µm)
1	1.2	27G	400	196	120S	120	N/A	400	140	120	1.2	540
2	1.2	25G	508	406	200S	200	N/A	346	164	200	1.2	500
3	1.2	21G	800	241	27G	400	196	200	200	400	1.2	200
4	0.6	27G	400	196	120S	120	N/A	100	102	120	0.6	240
5	1.2	25G	508	406	200S	200	N/A	42	154	200	0.6	200
6	6	18G	1000	Monolayer vessel for mechanical test				2500	-	1000	6.0	2500