https://orcid.org/0000-0002-4017-1272
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Abstract
Background
Fogging and staining of a laparoscope lens negatively impact surgical visualization. We hypothesized that the disposable hot pack could not only warm but also clean laparoscopes. Hence, this study verified and developed the disposable hot pack with anti-fogging and cleaning function.
Material and methods
The laparoscope was inserted into a swine abdominal cavity for five minutes. Then, the laparoscopic tip was heated with 65 °C saline or the folded disposable hot pack with nonwoven fabric coated surfactant for ten seconds (n = 15). Also, a laparoscopic tip with dirt was wiped with the prototype or conventional gauze for 10 s (n = 10). The dirt, fogging, and temperature of the laparoscopic tip were respectively evaluated after the laparoscope was inserted into the abdominal cavity.
Results
The laparoscopic tip temperature five minutes after insertion into the abdominal cavity was similar (31.1 °C vs 31.2 °C, p = 0.748) and there was no fogging in both methods. The conventional gauze had significantly less temperature of the laparoscopic tip after cleaning and higher fogging occurrence than the prototype (29.5 °C vs 34.0 °C, p < 0.001, 30% vs 0%, p = 0.030, respectively), although there was no dirt left after both methods.
Conclusion
The disposable hot pack has a strong potential as an anti-fogging and cleaning device for use during laparoscopic surgery.
Keywords:
Acknowledgments
This study was accepted at AMAZING TECHNOLOGIE in the 29th EAES Congress, Barcelona, Spain, held on November 24- 27, 2021.
Declaration of interest
No potential conflict of interest was reported by the authors.