Related Experiment Video
Updated: May 23, 2026

Engineered Vascularized Muscle Flap
Published on: January 11, 2016
Regional first web flap used to cover the amputated stump of the thumb
Kazufumi Sano1, Kazumasa Kimura, Satoru Ozeki
1Department of Orthopaedic Surgery, Dokkyo Medical University Koshigaya Hospital, Saitama, Japan. prssano@nifty.com
Abstract:
The regional first web flap is a distally-based flap that is raised from the radiodorsal aspect of the metacarpophalangeal joint of the index finger towards the dorsal first web, and used to cover a thumb amputation. The advantage of this flap over the conventional cross-finger flap is that is gives a thicker and hairless flap with no skin graft to the donor site. Mobilisation of the joints, including the metacarpophalangeal joint of the index finger, can also be maintained during the immobilisation period between two stages.
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