学術雑誌論文

学術雑誌論文

text

Tribology International. 2025, 210, p. 110798

Elastohydrodynamic lubrication in rotational atherectomy: Fluid film thickness characteristics and reduction of vascular damage risk

Elsevier Ltd

英語

text

2025-05-19

https://doi.org/10.1016/j.triboint.2025.110798

Liang Y., Satake U., Enomoto T.. Elastohydrodynamic lubrication in rotational atherectomy: Fluid film thickness characteristics and reduction of vascular damage risk. Tribology International 210, 110798 (2025); https://doi.org/10.1016/j.triboint.2025.110798.

In rotational atherectomy, a fluid film separates rotating burr and blood vessel, preventing vascular damage and involving elastohydrodynamic lubrication (EHL). Investigating fluid film thickness is necessary, as insufficient thickness increases vascular damage risk. This study examined damage depth on vascular phantom, revealing fluid film thickness characteristics and trends are similar to classical point contact EHL. The influence of burr and vascular phantom geometry was discussed with classical point contact EHL analysis, leading to a strategy: increasing burr's radius on tangential direction that can reduce damage risk by thickening fluid film. The findings demonstrate that classical point contact EHL provides valuable insights into this fluid film and can guide strategies for reducing vascular damage risk by improving fluid film thickness.

This article is licensed under a Creative Commons Attribution 4.0 International License.

102204

Elastohydrodynamic lubrication in rotational atherectomy: Fluid film thickness characteristics and reduction of vascular damage risk

Elsevier Ltd

英語

2025-05-19

Tribology International

210

110798

https://doi.org/10.1016/j.triboint.2025.110798

https://hdl.handle.net/11094/102204