Degradation mechanisms of the burrs in rotablation

• Autorzy: Gronostajski Zbigniew , Kaszuba Marcin , Zimoch Wojciech , Reczuch Krzysztof

Identyfikatory

DOI

10.1016/j.acme.2019.08.006

• Języki publikacji: EN

Abstrakty

EN

Rotablation is a percuteneous coronary procedure dedicated for treatment of highly calcified or fibrotic coronary lesions. This procedure allows plaque modification using a diamond coated burr rotating at high speed. The literature lacks information on the principles for selection of the tools for such a process which would ensure the best efficiency (speed of removing the calcified or fibrotic plaques). The starting point for this is the knowledge of the wear mechanisms in the case of such tools. The present study examines 7 burrs after different operation times. The following mechanisms were considered: pulling out, spalling, abrasion and diamond grains sticking. Based on the performed investigations, it was established that the basic wear mechanism is progressive sticking of the atherosclerotic plaques onto the burrs. In the first place, the burr's front becomes stuck over, yet this should still not have an effect on the speed of the atherosclerotic plaque removal also scarce sticking on the side surface of the burr is observed. During further operation, successive plagues are stuck onto the ones stuck earlier, causing a reduction of the speed of their removal and the necessity of the use of a new burr in order to continue the rotablation.

Słowa kluczowe

EN

burrs; rotablation; wear; tools

PL

zadziory; kucie na gorąco; materiały ścierne; szlifowanie

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 4
• Strony: 1381--1389
• Opis fizyczny: Bibliogr. 15 poz., rys., tab., wykr.

Twórcy

autor

Gronostajski Zbigniew

• Wroclaw University of Science and Technology, Poland

autor

Kaszuba Marcin

• Wroclaw University of Science and Technology, Poland

autor

Zimoch Wojciech

• Wroclaw Medical University, Poland

autor

Reczuch Krzysztof

• Wroclaw Medical University, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)