Impact of rigid container material type and loading volume on the sterilization of thoracoscopic instruments
10.19428/j.cnki.sjpm.2025.24997
- VernacularTitle:不同材质硬质盒和装载量对胸腔镜器械灭菌效果的影响
- Author:
Xue'e FANG
1
;
Yanjun MAO
1
;
Qiuping ZHU
1
;
Yanni CAI
1
;
Jing SHU
1
;
Guifen ZHANG
1
;
Yichun JIN
1
;
Minye TANG
1
;
Ying TAO
1
;
Huiting HU
1
Author Information
1. Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai 200433, China
- Publication Type:Journal Article
- Keywords:
hydrogen peroxide concentration;
low temperature plasma;
sterilization technology;
thoracoscope;
rigid container;
material;
loading volume
- From:
Shanghai Journal of Preventive Medicine
2025;37(8):697-699
- CountryChina
- Language:Chinese
-
Abstract:
ObjectiveTo explore the impacts of material type and loading volume of rigid containers on the hydrogen peroxide low temperature plasma sterilization of thoracoscopic instruments, to identify the best rigid containers and loading volume of thoracoscopic instruments. MethodsThoracoscopic instruments sterilized by STERRAD® 100NX hydrogen peroxide low temperature plasma in Shanghai Pulmonary Hospital affiliated to Tongji University from August to September 2024 were selected as the research items. According to the material of rigid containers, the instruments were divided into polyethylene case group (A), stainless steel case group (B) and silicone resin case group (C). In terms of the loading volume, the rigid containers were divided into (loading capacity <80%) groups of 8, 10 and 12 instruments. The results of physical monitoring, the first type of chemical indicator card monitoring, and the five types of card luminal chemical process challenge device (PCD) monitoring of the 9 groups of A8, A10, A12, B8, B10, B12, C8, C10 and C12 were compared and evaluated. ResultsCompared to A8, A10 A12, C8, C10 or C12 groups, the thoracoscope instruments in the stainless steel containers in B8, B10 or B12 group had higher hydrogen peroxide concentrations and shorter elapsed time in the pressure check phases 1 and phases 2, with the differences statistically significant (P<0.05), followed by the silicone resin case group and the polyethylene case group. The nine groups of physical parameter monitoring, the first type of chemical indicator monitoring, and the five types of chemical PCD monitoring for lumen sterilization achieved 100% qualification rates, and there were no significant differences in the qualified rates of sterilization among the 9 groups (P>0.05). ConclusionWhen using hydrogen peroxide low temperature plasma to sterilize thoracoscopic instruments, it is recommended to use stainless steel or silicone resin rigid containers with a controlled loading capacity (≤12) to ensure optimal sterilization quality.
