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带有直管状喷嘴延伸的脉动水流对大气环境和浸没状态下骨水泥的侵蚀作用。

Atmospheric and submerged bone cement erosion by a pulsating water jet with a straight tubular nozzle extension.

作者信息

Hloch Sergej, den Dunnen Steven, Nag Akash, Souček Kamil, Foldyna Josef, Tuijthof Gabrielle, Gupta Munish, Pude Frank

机构信息

Faculty of Manufacturing Technologies TUKE with a seat in Prešov, Prešov, Slovakia.

Institute of Geonics, The Czech Academy of Sciences, Ostrava-Poruba, Czech Republic.

出版信息

Sci Rep. 2025 Feb 20;15(1):6224. doi: 10.1038/s41598-025-91213-7.

DOI:10.1038/s41598-025-91213-7
PMID:39979459
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11842789/
Abstract

A pulsating water jet (PWJ) offers advantages over a continuous water jet, such as lower liquid volume flows and pressures for deeper cuts. However, traditional PWJ setups are unsuitable for minimally invasive surgeries due to their size. This study aimed to develop a PWJ instrument by testing a 100 mm long, 10 mm diameter extension tube. We evaluated (1) the machining capability of the PWJ with the extension tube on simulated hard tissue and (2) the impact of a submerged environment on cutting capacity. Using a 20 kHz ultrasonic pulsating water jet were provided erosion 120 tests in bone cement and assessed cutting depth and volume via micro-CT scans. Results showed that the PWJ with the extension tube could machine bone cement in both open-air and submerged environments, though the latter required longer exposure and reduced material removal by 65%. Increasing exposure time improved cutting depth and volume until a plateau was reached. The PWJ was compared with a continuous jet with a 5-minute exposure time, showing no visible or measurable erosion. This PWJ design could meet requirements, offering non-thermal and selective tissue removal.

摘要

脉动水射流（PWJ）相较于连续水射流具有优势，例如更低的液体流量和压力即可实现更深的切割。然而，传统的PWJ装置因其尺寸问题不适用于微创手术。本研究旨在通过测试一根100毫米长、10毫米直径的延长管来开发一种PWJ器械。我们评估了：（1）带有延长管的PWJ在模拟硬组织上的加工能力；（2）浸没环境对切割能力的影响。使用20千赫兹的超声脉动水射流对骨水泥进行了120次侵蚀试验，并通过微型计算机断层扫描（micro-CT）评估切割深度和体积。结果表明，带有延长管的PWJ在露天和浸没环境中均能加工骨水泥，不过在浸没环境中需要更长的暴露时间，且材料去除量减少了65%。增加暴露时间可提高切割深度和体积，直至达到平稳状态。将该PWJ与暴露5分钟的连续射流进行比较，结果显示没有可见或可测量的侵蚀现象。这种PWJ设计能够满足要求，可实现非热和选择性的组织去除。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/3c54b5e751d4/41598_2025_91213_Fig11_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/3c54b5e751d4/41598_2025_91213_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/8085b5f42581/41598_2025_91213_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/c6d7b2df15d0/41598_2025_91213_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/9eb40491411e/41598_2025_91213_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/f8c7d49ec3e4/41598_2025_91213_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/4fbcc133f065/41598_2025_91213_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/5c7aa32916b5/41598_2025_91213_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/c6699fa99af2/41598_2025_91213_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/da56467284b5/41598_2025_91213_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/ee6a27ecc87e/41598_2025_91213_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/f469eb1d1aee/41598_2025_91213_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d60c/11842789/3c54b5e751d4/41598_2025_91213_Fig11_HTML.jpg

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