Objective To explore the vascular display method of making cast specimens of internal femoral head artery in pigs. Methods The arterial trunks of three retinacular artery of pig femoral heads in 3 pigs were perfused with epoxy resin red essence mixture. After solidification, the soft tissues were removed by alkali corrosion. The femoral head contour was scanned in 3D and the mold was printed. Acid corroded and flushed the femoral head until the internal cephalic artery was completely exposed. The 3D printing die was placed on the femoral head exposed to blood vessels and filled with epoxy resin. After solidification, the die was removed and the surface of the femoral head was polished to make a transparent femoral head exposing the vascular network in the femoral head. Results Porcine femoral head internal artery casting specimen was successfully made by pouring epoxy resin red essence mixture casting agent and washing with acid and alkali corrosion. The femoral head was successfully restored by 3D printing technology, and a transparent femoral head was made to reveal the vascular network in the femoral head. Conclusions Micro-perfusion corrosion method can successfully make femoral head artery cast specimen, which provides morphological basis for studying femoral head blood supply. The transparent femoral head vascular specimen was successfully established by 3D printing filling technology, which can preserve the contour of femoral head and blood vessels in the head.
Zhang Xiangnan, Deng Wei, Zhang Songqiang, Wang Hongyu, Li Lei, Ju Wen, Zhou Guangliang, Ju Faxin, Zhou Zhenghu, Li Guanxing, Ju Jihui, Hou Ruixing
. Fabrication of cast specimen of internal femoral head artery by microperfusion combined with 3D printing[J]. Chinese Journal of Clinical Anatomy, 2022
, 40(1)
: 103
-106
.
DOI: 10.13418/j.issn.1001-165x.2022.1.21
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