Endoscopic clip systems for hemostasis and defect closure in gastrointestinal endoscopy

Figure 4 Anatomy of over-the-scope clips. A: Ovesco clip (Ovesco Endoscopy, Tubingen, Germany) is a bear-claw-shaped nitinol clip available in multiple cap sizes with three tooth profiles - type t (short spikes for compression/anchoring), type a (blunt, compressive), and type gc (elongated spiked teeth for robust gastric wall purchase)[32]; B: Padlock clip (STERIS Endoscopy, Ireland) is a hexagonal nitinol ring with six inward-facing prongs and tissue controllers that limit penetration depth and provide circumferential purchase. Citation for Figure 4A: OVESCO Endoscopy. OTSC^® System. [cited 30 October 2025]. Available from: https://ovesco.com/otsc-system/. It was obtained from the public manufacturer’s product page (Supplementary material).