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Introduction to the Types and Features of Yu'an Medical Elastic Bandages
2026-01-15
Medical elastic bandages are a type of medical textile and represent an important development in bandage technology. They serve not only as covering materials after surgery and dressing changes, but also as auxiliary therapeutic devices for conditions such as varicose veins in the lower limbs and certain types of limb edema.
(1) Woven elastic bandage made from strongly twisted yarn: This bandage is woven using long-staple cotton yarn with a high twist as the warp and coarse-combed cotton yarn as the weft, resulting in a plain-weave fabric with a relatively loose weave density. Before weaving, the strongly twisted warp yarns are sized to stabilize their twist and facilitate the passage of the weft yarn through the shuttle’s shed. After weaving, the sizing is removed; as a result of the strong twist, the warp yarns shrink, imparting elasticity to the fabric. The all-cotton elastic bandage thus produced exhibits excellent moisture absorption and is easy to disinfect or process, and it also boasts a long history.
(2) Elastic woven elastic bandage: Initially, rubber threads were used for the warp; later, this was replaced by spandex-cotton core-spun yarns used either as warp or weft to prevent direct contact between the spandex and the wound surface. In the fabric, only a portion of the elastic threads need to provide stretch in one direction, while the other direction serves merely to give shape to the fabric—thus allowing the non-elastic yarns to be used for that second direction.
(3) Knitted elastic bandages: Typically made using warp-knitting machines to weave spandex-core yarns, which are then cut to the desired width for bandages.
(4) Nonwoven bandages: There are several methods for producing new medical elastic bandages. For example: ① Nonwoven fabrics produced by the jet-spinning technique can have spandex elastic fibers incorporated during web formation under tension conditions, causing the fabric to shrink after formation and thus become an elastic bandage. ② Mold-pressed corrugated elastic bandages are made by hot-rolling nonwoven fabrics produced via the jet-spinning technique (with cotton fibers as the main component and thermoplastic fibers accounting for at least 30% of the total fiber content) using corrugated rollers. Nonwoven bandages are soft, breathable, relatively low in cost, feature a simplified manufacturing process, and allow for easy variety adjustments.
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