An integrated, wearable, tubeless micro-negative pressure system for closed incision management: a translational preclinical and clinical study - Summary - MDSpire

An integrated, wearable, tubeless micro-negative pressure system for closed incision management: a translational preclinical and clinical study

  • By

  • Yunfan Ti

  • Jiayang Yue

  • Xiaohui Cao

  • Renjie Chen

  • Fan Wen

  • Shuo Zhang

  • Jiangyan Dong

  • Xiaojiang Yang

  • Zhanyong Zhu

  • Zhengfeng Lu

  • Liang Yuan

  • July 13, 2026

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Objective:

To develop a fully wearable, integrated, tubeless micro-negative pressure system and evaluate its therapeutic potential in closed incision management.

Approach:
  • Preclinical Evaluation: The system was tested in rabbit closed-incision models, assessing wound exudate control, bacterial burden, inflammatory response, and tissue repair.
  • Clinical Study: A preliminary clinical study was conducted on patients undergoing minimally invasive spinal surgery to evaluate feasibility, safety, and postoperative performance.
Key Findings:
  • The device significantly reduced exudate accumulation and bacterial burden.
  • It promoted a pro-regenerative inflammatory profile and enhanced tissue repair.
  • Increased angiogenesis, cell proliferation, and collagen deposition were observed.
  • The system demonstrated effective exudate management and good usability in clinical application.
Interpretation:

Limitations:
  • The study's clinical evaluation was preliminary and may require further validation.
  • The sample size in the clinical study was not specified.
Conclusion:

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