From: Arthroscopic suture retrievers and shuttles: a biomechanical investigation of the force required for tendon penetration and defect size
Instrument diameter in mm (mean)
Force in N (mean)
Straight suture retrievers
2.5 ± 0.4
3 ± 4.8
Angled suture retrievers
2.8 ± 0.4
24 ± 7.9
Straight suture shuttles
3.0 ± 0
17 ± 2
Angled suture shuttles
3.6 ± 0.4
19 ± 1.1