[사] Investigating Changes in Mechanical Properties and Tissue Reaction of Silk, Polyester, Polyamide, and Polypropylene Sutures in Vivo 출판일 : 2005.04.01 저자 : E. Karaca, A. S. Hockenberger, and H. Yildiz 서지사항 : Textile Research Journal, Volume 75, Issue 4, 297페이지 등록일 : 2011.12.30 I 조회수 : 76 작성자 : admin |
Changes in two important mechanical properties, tensile strength and knot strength, and
tissue reactions are investigated for four different nonabsorbable sutures, silk, polyester,
polyamide 6, and polypropylene, in vivo. Three different sizes (0, 2/0, 3/0) are also used for
each suture type. In the experimental in vivo conditions, rats (Rattus norvegicus) obtained
from University of Uludag Medical Faculty Experimental Animals Breeding and Research
Center are used. The experiments are carried out on the Instron 4301 tensile tester before
and after implantation. In the tests, maximum tenacity values are obtained. After all suture
materials are broken, a scanning electron microscope and optical light microscope are
used to take their pictures. For braided sutures, the encapsulation rate around the suture
plays a very important role in the strength and breaking mechanism and axial splits, but
controls these parameters for polypropylene sutures. Encapsulation increases the strength
and has a greater effect on smaller sizes. A granulomatous inflammation is observed around
all sutures in varying degrees of severity.
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