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3D digital image microscope system-assisted vasovasostomy and vasoepididymostomy in rats

1 Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
2 Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou 730050, China
3 Weifang Traditional Chinese Hospital, Weifang 250200, China
4 The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
5 Zhengzhou Central Hospital Affiliated with Zhengzhou University, Zhengzhou 450007, China
6 Wenzhou Integrated Traditional Chinese, Wenzhou 325000, China
7 Kashgar District Second People's Hospital, Kashgar 844000, China
8 Shanghai General Hospital of Nanjing Medical University, Shanghai 200080, China
9 Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China

Correspondence Address:
Zheng Li,
Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aja.aja_94_20

PMID: 33565428

Optimal vision and ergonomics are essential factors contributing to the achievement of good results during microsurgery. The three-dimensional (3D) digital image microscope system with a better 3D depth of field can release strain on the surgeon's neck and back, which can improve outcomes in microsurgery. We report a randomized prospective study of vasoepididymostomy and vasovasostomy using a 3D digital image microscope system (3D-DIM) in rats. A total of 16 adult male rats were randomly divided into two groups of 8 each: the standard operating microscope (SOM) group and the 3D-DIM group. The outcomes measured included the operative time, real-time postoperative mechanical patency, and anastomosis leakage. Furthermore, a user-friendly microscope score was designed to evaluate the ergonomic design and equipment characteristics of the microscope. There were no differences in operative time between the two groups. The real-time postoperative mechanical patency rates were 100.0% for both groups. The percentage of vasoepididymostomy anastomosis leakage was 16.7% in the SOM group and 25.0% in the 3D-DIM group; however, no vasovasostomy anastomosis leakage was found in either group. In terms of the ergonomic design, the 3D-DIM group obtained better scores based on the surgeon's feelings; in terms of the equipment characteristics, the 3D-DIM group had lower scores for clarity and higher scores for flexibility and adaptivity. Based on our randomized prospective study in a rat model, we believe that the 3D-DIM can improve surgeon comfort without compromising outcomes in male infertility reconstructive microsurgery, so the 3D-DIM might be widely used in the future.

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