摘要
Acupoint catgut embedding therapy(ACET),filling the gaps of traditional Chinese medicine acupuncture treatment,has been widely used for the treatment of many diseases with significant effects.The aim of this paper is to obtain polyglycollide acid(PGA)fibers with higher performance at a lower cost,and ensure that PGA can meet the clinical requirements as well.PGA fibers with different diameters were spun as embedding materials.The mechanical performance,thermodynamic and biodegradable properties of PGA fibers were studied under different spinning process parameters,including spinning speed,drawing temperature and stretching ratio.The experimental results showed that the optimum spinning parameters were the spinning speed at 150 m/min,the drawing temperature of 45 ℃,and the stretching ratio of 4.0.The initial modulus of PGA fibers was 3.876 N/tex.The crystallization degree was 68% and the degradation performance was in consistent with treatment cycle of patients.
Acupoint catgut embedding therapy（ACET）,filling the gaps of traditional Chinese medicine acupuncture treatment,has been widely used for the treatment of many diseases with significant effects.The aim of this paper is to obtain polyglycollide acid（PGA）fibers with higher performance at a lower cost,and ensure that PGA can meet the clinical requirements as well.PGA fibers with different diameters were spun as embedding materials.The mechanical performance,thermodynamic and biodegradable properties of PGA fibers were studied under different spinning process parameters,including spinning speed,drawing temperature and stretching ratio.The experimental results showed that the optimum spinning parameters were the spinning speed at 150 m/min,the drawing temperature of 45 ℃,and the stretching ratio of 4.0.The initial modulus of PGA fibers was 3.876 N/tex.The crystallization degree was 68% and the degradation performance was in consistent with treatment cycle of patients.
基金
“111 Project” Biomedical Textile Materials Science and Technology,China(No.B07024)
