Exploration of Most Difficult-to-Sterilize Location in Pulse Vacuum Sterilizers

Ling Fang; Qiang Zhang; Yu Liu; Ling Liu

doi:10.11910/j.issn.2791-2043.2025.1.06

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Exploration of Most Difficult-to-Sterilize Location in Pulse Vacuum Sterilizers

专题研究 | Updated：2025-12-02

- Exploration of Most Difficult-to-Sterilize Location in Pulse Vacuum Sterilizers
- Exploration of Most Difficult-to-Sterilize Location in Pulse Vacuum Sterilizers
- Sterile Supply 2025年4卷第1期
- Affiliations：
  
  Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, Wuhan, 430030, China
- Author bio：
  
  Fang Ling, Unit: Union Hospital, Tongji Medical College, Huazhong University of Science and Technology; Address: 1277 Jiefang Avenue, Jianghan District, Wuhan City, Hubei Province, China; Postal code: 430030; Email:287812165@qq.com
  Zhang Qiang at zhangqiang@whuh.com
- Funds：
- DOI：10.11910/j.issn.2791-2043.2025.1.06
  中图分类号：
- 纸质出版：2025-06-15
- Accepted：
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Ling Fang, Qiang Zhang, Yu Liu, 等. Exploration of Most Difficult-to-Sterilize Location in Pulse Vacuum Sterilizers[J]. Sterile Supply, 2025,4(1):44-48.

Ling Fang,Qiang Zhang,Yu Liu,et al.Exploration of Most Difficult-to-Sterilize Location in Pulse Vacuum Sterilizers[J].Sterile Supply,2025,04(01):44-48.
Ling Fang, Qiang Zhang, Yu Liu, 等. Exploration of Most Difficult-to-Sterilize Location in Pulse Vacuum Sterilizers[J]. Sterile Supply, 2025,4(1):44-48. DOI： 10.11910/j.issn.2791-2043.2025.1.06.

Ling Fang,Qiang Zhang,Yu Liu,et al.Exploration of Most Difficult-to-Sterilize Location in Pulse Vacuum Sterilizers[J].Sterile Supply,2025,04(01):44-48. DOI： 10.11910/j.issn.2791-2043.2025.1.06.

摘要

Abstract

Objective

The present study aims to explore the most difficult-to-sterilize location within the chamber of pulse vacuum sterilizers

providing a reference for the placement of biological monitoring packs during routine operation.

Method

Using temperature and pressure detectors

temperature testing was conducted on 16 identical models of pulse vacuum sterilizers in four Grade Ⅲ-A hospitals under different loading conditions

including no-load

instrument load

and dressing load. The location of the slowest heating point within the sterilizer chamber was determined.

Result

Statistics from 43 batches

totaling 258 data points show that the slowest heating point appeared most frequently at the lower level of the sterilizing rack

near the loading door

occurring 29 times

accounting for 67.44%; the location at the upper level of the sterilizing rack near the loading door occurred 14 times

accounting for 32.56%.

Conclusion

The most difficult-to-sterilize locations for this model of pulse vacuum sterilizer were near the loading side door

with the highest probability at the lower-level location near the door. Therefore

it is recommended to place the biological monitoring pack at the lower level of the sterilizing rack

near the loading side door

during routine biological monitoring.

关键词

Keywords

references

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