Chinese Journal of Clinical Anatomy ›› 2022, Vol. 40 ›› Issue (6): 644-648.doi: 10.13418/j.issn.1001-165x.2022.6.03

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Morphological classification and clinical significance of the third finger web based on 3D reconstruction of structured light scanner 

Feng Peixun1, Li Guijun 1, Zhao Yonghong2, Cheng Mingliang3, Li Liguo1*    

  1. 1. Zhengzhou Health Vocational College, Zhengzhou 450199, China; 2.Department of Child Rehabilitation, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China; 3. Henan Zhongbo-Plastination Technology Co., Ltd., Zhengzhou 450001, China
  • Received:2021-11-12 Online:2022-11-25 Published:2022-12-12

Abstract: Objective   To explore morphological classification and clinical significance of the third finger web based on 3D reconstruction of  structured light scanner, so as to provide data support for the reconstruction of finger webbed separation.   Methods    A total of  126 volunteers from of Zhengzhou University Science Park  and Zhengzhou Health Vocational College were selected as research objects, aged from  18 to 42 years old, with an average age of (25.07±4.62) years old. The 3D surface structured light scanner was used to measure the proximal phalangeal length (PPL), web length (WL), metacarpals distance (MD) and free edge of web length (WW), such as 8 direct measurement indicators and 4 indirect indicators. Results    The anatomical morphology of the third finger web reconstructed by 3D structured light scanner can be divided into 5 types: steep slope-type, micro arcuate-type, straight line-type, circular arc-type, and convex-type. The PPL3 and PPL4 in convex-type were less than those in the micro arcuate-type. The PPL3 in circular arc-type and convex-type were less than those of steep slope-type (P<0.05). The WH in convex -type was smaller than that of steep slope-type (P<0.05). The WHR in micro arcuate-type was smaller than that of steep slope-type and circular arc-type (P<0.05). The differences were statistically significant.    Conclusions   The third finger web can be divided into 5 types: steep slope-type, micro arcuate-type, straight line-type, circular arc-type, and convex-type. Different morphological types of the third finger web can provide anatomical basis for clinicians to choose the operation methods and design of flap shape.

Key words: The third finger web; ,  Three-dimensional reconstruction; ,  Finger web reconstruction, Proximal phalangeal length

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