case_images: PMC11002096_01
case_images: The middle finger was avulsed, the pulp of the ring finger was severed, and ecchymosis was widespread on the severed finger.
case_images: fsurg-11-1363827-g001.jpg
case_images: PMC11002096_01_fsurg-11-1363827-g001.jpg
case_images: F1
case_images: The insertion point of the flexor tendon and the distal phalanx of ring finger were exposed, and the defect area was approximately 1.8 cm*2.2 cm (Figure 1).
case_images: (A) Schematic of proximal wound surface. Vascular contusion at Arrow position. (B) Schematic diagram of severed finger body. Vascular contusion at Arrowhead position. (C) Index finger flap design. The dotted line is the flap clipping line.
case_images: fsurg-11-1363827-g002.jpg
case_images: PMC11002096_01_fsurg-11-1363827-g002.jpg
case_images: F2
case_images: A superficial subcutaneous vein was detected at the proximal volar side of the wound (Figures 2A,B). The trimmed skin flap completely covered the wound, with an area of approximately 2.2 cm*2.5 cm (Figure 2C).
case_images: The skin flap was used to repair the finger after operation.
case_images: fsurg-11-1363827-g003.jpg
case_images: PMC11002096_01_fsurg-11-1363827-g003.jpg
case_images: F3
case_images: The ulnar digital artery and nerve of the index finger were anastomosed with the radial digital artery and nerve of the ring finger, the dorsal vein of the index finger was anastomosed with the palmar vein of the ring finger, and the ring finger defect wound was repaired (Figure 3).
case_images: The patients was followed up for 60 days after flap repair.
case_images: fsurg-11-1363827-g004.jpg
case_images: PMC11002096_01_fsurg-11-1363827-g004.jpg
case_images: F4
case_images: The patient was able to use the affected limb skillfully at 60 days after the operation and returned to his original life and work (Figure 4).