Double One Handed Surgical Knots

◆Two handed surgical knot (A)    • ◆Two handed surgical knot (A)   ◆Two handed surgical knot (B)    • ◆Two handed surgical knot (B)   ◆Two handed surgical knot (C)    • ◆Two handed surgical knot (C)   ◆One handed surgical knot （+ Double one handed surgical knot）    • ◆One handed surgical knot（+ Double on...   ◆Double one handed surgical knot    • ◆Double one handed surgical knot   ◆Instrument tie / Needle holder    • ◆Instrument tie / Needle holder