Method for forming a barbed suture and the barbed suture thus obtained
US11098422B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2018 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Aug 6, 2039 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2509/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a method for forming a barbed suture (10) comprising:a) producing a knit by knitting together i) a set of chain stitch yarns (1) producing chain stitches and ii) a set of monofilament weft yarns completing weft stitches with at least one of said chain stitches, thereby producing at least one weft stitched chain stitch (6),b) cutting the knit along the warp direction on both sides of said weft stitched chain stitch, so as to isolate said weft stitched chain stitch from the rest of the produced knit,the chain stitch yarn of said at least one weft stitched chain stitch forming the elongate body (9) of the barbed suture and the monofilament cuts (7) extending from said weft stitches of said one weft stitched chain stitch forming the barbs (8) of said barbed suture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.