Patent ID: 11957333
Assignee: 2020 (BEIJING) MEDICAL SCIENCE & TECHNOLOGY CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A  D  Y | IPC A  D

Claim 4:
5. The process for making the suture structure for medical surgery according to claim 4, wherein the winding yarn comprises a first knitting yarn and a second knitting yarn; the step S3 further comprises: tying a first end of the first knitting yarn and a first end of the second knitting yarn on the thread head core or the positioning fixture, spirally winding a second end of the first knitting yarn clockwise on the thread head core and the connection section, and spirally winding a second end of the second knitting yarn counterclockwise on the thread head core and the connection section; alternately pressing the first knitting yarn and the second knitting yarn with each other to be wound for a number of turns on a peripheral surface of the thread head core and the connection section; spirally winding the first knitting yarn and the second knitting yarn on the thread head core and the connection section in a same direction or opposite directions; after the first knitting yarn and the second knitting yarn are spirally wound to an end of the thread head core, folding the connection section back to a starting fixing end to be fixed; after the first knitting yarn and the second knitting yarn are wound in the opposite directions on the thread head core and a turn-back section of the connection section to the middle of the thread head core, extending the first end of the suture connection yarn outside the first knitting yarn and the second knitting yarn from a gap between the first knitting yarn and the second knitting yarn; and when the first knitting yarn and the second knitting yarn are wound to an ending position, tying the first knitting yarn and the second knitting yarn together.