1. Material and production: Silk thread is a kind of thread made of silk, and it is the earliest book sewing material used in the history of China. Absorbable suture is a new suture material, which can be degraded and absorbed by human body after being implanted into human tissue during surgical suture, and can avoid the pain of suture removal. According to the absorbable degree, it can be divided into catgut suture, polymer chemical synthesis suture and pure natural collagen suture.
2. Features and uses: Silk thread has the characteristics of high tensile strength, good biocompatibility, reliable absorption, simple operation, etc., and is generally used for the binding of high-end thread-bound and picture books. Absorbable thread is mainly used for suture of intradermal soft tissue in gynecology, obstetrics, surgery, plastic surgery, urology, pediatric surgery, stomatology, otolaryngology, ophthalmology and so on.