Study on Routine Inspection Method for Flexible Intramedullary Reamer and Its Impact on Reducing Risk of Surgical Site Infection

Wenru Huang; Xin Ju; Yunyu Jin; Pengjiao Niu

doi:10.11910/j.issn.2791-2043.2025.2.07

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Study on Routine Inspection Method for Flexible Intramedullary Reamer and Its Impact on Reducing Risk of Surgical Site Infection

专题研究 | Updated：2026-02-06

- Study on Routine Inspection Method for Flexible Intramedullary Reamer and Its Impact on Reducing Risk of Surgical Site Infection
- Study on Routine Inspection Method for Flexible Intramedullary Reamer and Its Impact on Reducing Risk of Surgical Site Infection
- Sterile Supply 2025年4卷第2期
- Affiliations：
  
  1.Central Sterile Supply Department, The First Bethune Hospital of Jilin University, Changchun, Jilin, 130033, China
  2.Central Sterile Supply Department, The First People’s Hospital of Jinzhong , Jinzhong Shanxi, 030600, China
- Author bio：
  
  Wenru Huang
  Yunyu Jin at 280824903@qq.com
  Pengjiao Niu at npj258@163.com
- Funds：
- DOI：10.11910/j.issn.2791-2043.2025.2.07
  中图分类号：
- 纸质出版：2025-08-15
- Accepted：
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Wenru Huang, Xin Ju, Yunyu Jin, 等. Study on Routine Inspection Method for Flexible Intramedullary Reamer and Its Impact on Reducing Risk of Surgical Site Infection[J]. Sterile Supply, 2025,4(2):106-116.

Huang Wenru,Ju Xin,Jin Yunyu,et al.Study on Routine Inspection Method for Flexible Intramedullary Reamer and Its Impact on Reducing Risk of Surgical Site Infection[J].Sterile Supply,2025,04(02):106-116.
Wenru Huang, Xin Ju, Yunyu Jin, 等. Study on Routine Inspection Method for Flexible Intramedullary Reamer and Its Impact on Reducing Risk of Surgical Site Infection[J]. Sterile Supply, 2025,4(2):106-116. DOI： 10.11910/j.issn.2791-2043.2025.2.07.

Huang Wenru,Ju Xin,Jin Yunyu,et al.Study on Routine Inspection Method for Flexible Intramedullary Reamer and Its Impact on Reducing Risk of Surgical Site Infection[J].Sterile Supply,2025,04(02):106-116. DOI： 10.11910/j.issn.2791-2043.2025.2.07.

摘要

Abstract

Objective

To explore the inspection methods for flexible intramedullary reamers (FIRs) to ensure cleaning quality and evaluate their potential value in reducing the risk of surgical site infection (SSI) in patients.

Methods

FIRs are categorized into “wave-type” and “thread-type” based on structural characteristics. FIRs used consecutively within the same medical institution were designated as Group A

while those used non-consecutively (by circulating across institutions) were as Group B. During the trial period

FIRs from both groups were cleaned according to a unified standard procedure. The turnover frequency and cleaning effectiveness of the two FIR types within the same institution were recorded for both groups. Cleaning quality was assessed using adenosinetriphosphate (ATP) bioluminescence assay and two types of visual inspection devices.

Results

Overall

the qualification rates for FIR surfaces and lumens via visual inspection were lower than those from the ATP bioluminescence assay for the corresponding areas (

0.001). Comparative results from visual inspection devices showed that the cleaning qualification rate for wave-type FIRs was si

gnificantly higher than for thread-type FIRs (89.03% VS 73.39%

=11.14

0.001); the cleaning qualification rate for Group A FIRs was significantly higher than for Group B (89.86% VS 73.28%

=12.39

0.001). Multivariate logistic regression analysis indicated that

after adjusting for cumulative usage count

instrument type (thread-type VS wave-type

odds ratios (OR) =3.21

95% confidence interval (CI): 1.67~6.18

0.001) and usage mode (Group B VS Group A

OR=3.58

95% CI: 1.84~6.97

0.001) remained independent risk factors for cleaning failure.

Conclusion

For lumens with complex structures

such as FIRs

only tested by ATP is insufficient to fully demonstrate cleanliness; visual inspection devices is recommended to introduce as a supplement. In addition

it is advised to establish and implement standardized cleaning procedures to ensure consistency and effectiveness of cleaning operations across different medical institutions. Furthermore

where conditions permit

wave-type FIRs may help achieve more reliable cleaning results

thus serving as one component of comprehensive measures to reduce the risk of surgical infection.

关键词

Keywords

references

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