Table 1: Some technical specifications for the GVL members of the GS family (see Fig. 2 - top).

GVL 2: Patient weight: 1.8 - 10 kg Blade length (tip to handle): 47 mm Thickness (height) at camera: 14.5 mm Width at camera: 18 mm	GVL 4: Patient weight: 40 kg – Morbidly Obese Blade length (tip to handle): 102 mm Thickness (height) at camera: 14 mm Width at camera: 27 mm
GVL 3: Patient weight: 10 kg - Adult Blade length (tip to handle): 82 mm Thickness (height) at camera: 14.5 mm Width at camera: 20 mm	GVL 5: Patient weight: 40 kg – Morbidly Obese Blade length (tip to handle): 102 mm Thickness (height) at camera: 14 mm Width at camera: 27 mm