包茎或包皮过长在手术治疗时需将包皮环切，在切缘缝合及固定油纱时，过去用丝线，但在愈合后拆线时疼痛较重，因为丝线沾血后形成血痂，使丝线变得粗硬且常与油纱及皮肤粘在一起，失去了原来的柔软性，拆线时磨擦力较大，阴茎皮肤产生使人难以忍受的疼痛，尤其在小儿有时不得 Phimosis or the foreskin is too long in the surgical treatment of the circumcision required, the margin of the suture and the fixed oil yarn, the past with silk, but after suture removal of the pain heavier, because the formation of blood scab after blood coagulation, so that The thread becomes coarse and often stick with the yarn and the skin together, lost the original softness, removal of the larger friction, the penile skin produces unbearable pain, especially in children and sometimes not