{'fraction_non_alphanumeric': 0.027586206896551724, 'fraction_numerical': 0.013793103448275862, 'mean_word_length': 4.716535433070866, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
[Application of skin-stretching devices in reparative and reconstructive surgery].

OBJECTIVE
To testify the availability and the clinical efficacy of the skin-stretching device.


METHODS
The skin-stretching device designed by ZHOU Li-an, which was used in the treatment of the granulation wound, the donor site of flap, and the skin defect after the excision of tumor by skin traction technique at the wound edges.


RESULTS
The usage time of skin-stretching device was 15-720 minutes, it could be used preoperatively, intraoperatively and postoperatively. Followed up 16 cases for 6 to 12 months, the device was effective.


CONCLUSION
The skin stretching device is practical and effective in wound closure of skin defect.