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89-91 - Polskie Stowarzyszenie Biomateriałów

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wynoszą odpowiednio σ max=156MPa (dla kąta 2κ 1=90 o ) i<br />

σ max=159MPa (dla kąta 2κ 2==120 o ). Zatem przy zachowaniu<br />

w procesie wiercenia dopuszczalnego obciążenia (F=20N)<br />

z wykorzystaniem tej postaci wiertła nie występuje ryzyko<br />

jego niszczenia.<br />

podziękowania<br />

Praca naukowa finansowana ze środków na naukę w<br />

latach 2009-2011 jako projekt badawczy.<br />

piśmiennictwo<br />

[1] S. karmani, F. Lam, The design and function of surgical drills and<br />

k-wires, Current Orthopaedics, vol. 18, no. 6, 2004, pp. 484-490.<br />

[2] Ming-Dar Tsai, Ming-Shium Hsieh, Chiung-Hsin Tsai, Bone drilling<br />

haptic interaction for orthopedic surgical simulator, Computers<br />

in Biology and Medicine 37, 2007, pp. 1709-1718.<br />

[3] Hillery M., Shuaib I.: Temperature effects in the drilling of human<br />

and bovine bone. Journal of Materials Processing Technology 92-<br />

93, 1999, pp. 302-308.<br />

2κ 1=90 o ) and to σ max=159MPa (for point angle 2κ 2=120 o )<br />

respectively. So for these types of the drills the permissible<br />

loading limit (F=20N) doesn`t cause the risk of tool<br />

damage.<br />

acknowledgement<br />

The work was supported by scientific founds in 2009<br />

– 2011 as a research grant.<br />

references<br />

[4] udiljak T., Ciglar D, Skoric S.: Investigation into bone<br />

drilling and thermal bone necrosis. Advances in Production<br />

Engineering&Management 2, 2007, pp.103-112.<br />

[5] Bachus k., Rondina M., Huntchinson D.: The effects of drilling<br />

force on cortical temperatures and their duration: an in vitro study.<br />

Medical Engineering & Physics 22, 2000, pp. 685–6<strong>91</strong>.<br />

[6] Chacon, Guillermo E., Daniel L. ,Peter E., Edwin A., Beck F.:<br />

Heat Production by 3 Implant Drill Systems After Repeated Drilling<br />

and Sterilization. Journal of Oral and Maxillofacial Surgery 64, 2,<br />

February 2006, pp. 265-269.<br />

97

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