Laser Surface Texturing in Orthopedic Implant to Increase Cell Adhesion

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한국정밀공학회 2013년도 춘계학술대회논문집

레이저 써페이스 텍스처링을 활용한

세포친화도 증대 임플란트 제작

Laser Surface Texturing in Orthopedic Implant to Increase Cell Adhesion

*

_김경한

1

,

#

이제 훈

1

, 박종권

2

, 전 태성

1

*K. H. Kim

1

([email protected]),

#,

J. H. Lee

1

, J. K. Park

2

, T.S. Jeon

2

1_{한국기계연구원 광응용기계연구실,}2_{한국기계연구원 초정밀시스템연구실}

Key words : Laser, Surface, Texturing, Implant

Fig. 1. Experimental setup with fiber laser source

Fig. 2. Surface textured photo with 20 ns pulsed la-ser (Left) and 200 ns pulsed lala-ser (Right)

1. 서론

. (Stem) (Osteoblast cell) . (osteoblast cell) (1,2). . . . . , .

2. 레이저 가공 실험

Ti plate . Multiwave 20W 1064nm . , BPP(Beam Parameter Product)

. Scanlab f-theta Ti plate 100 mm . 100×100 mm Ti plate 400 ㎛ . .

3. 실험 결과 및 고찰

20W 10, 20, 30, 50, 75, 100, 150, 200 ns Ti plate 2 . 100ns

1499

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한국정밀공학회 2013년도 춘계학술대회논문집

Fig. 4 Line surface texured pattern with a 355nm ns laser .

Fig. 3 Drilled hole diameter changing as pulse width with a fiber laser

355nm . 3 200 ㎛ . 4 6 1.5W 2.5W . , .

4. 결론

. , . . , 355nm .

후기

“Eco/bio ” “Hip im-plant sterm ” .

참고문헌

1. A. Goransson, E. Jansson, P. Tengvall, A Wennerberg, "Bone formation after 4 weeks around blood-plasma-modified titanium implants with varying surface topographies: an in vivo study", Biomaterials, Vol. 24, pp. 197-205, 2003. 2. A. Bagno, C. Di Bello, "Surface treatments and

roughness properties of Ti based biomaterials", J. Mater. Sci. Mater. Med., Vol. 15, pp. 935-949, 2004.