| 摘要 |
<p>1503673 Sewing; yarns ALBANY INTERNATIONAL CORP 24 April 1975 [29 April 1974 31 May 1974] 17109/75 Headings DIG and D1W A surgical suture and straight or curved needle combination comprises a hollow monofilament 2 of which the bore 4 engages a shank end portion 34 (optionally serrated as at 36) and the end abuts a shoulder 32 to form a firm smooth-surfaced joint at 38 with the needle 28. The monofilament may be generally of circular, oval or polygonal e.g. triangular or rectangular, cross-section matching the cross-sectional shape of the needle at the joint and may be of polyamide (nylon), polyethylene terephthalate, polythene, polypropylene, polyactide/glycolide copolymer, polycarbonate or a natural polymeric material such as regenerated collagen; it may be heat-shrunk onto the needle shank, the initial bore may be undersize and forced thereon and/or the outer dimension may be initially oversize and reduced after fitting to the needle.</p> |
