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Absorbent member

An absorbent and superabsorbent technology, applied in the direction of absorbent pads, suction devices, viscous dressings, etc., can solve problems such as reducing absorption rate

Pending Publication Date: 2022-03-01
T J SMITH & NEPHEW
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the conventional way of incorporating SAP or SAF prevents them from having tensile properties
Therefore, when increased recovery of extensibility is required in wound dressings, the dressings typically have thinner or smaller absorbent components, with the disadvantage of reduced absorption rates

Method used

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Examples

Experimental program
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Embodiment Construction

[0071] Embodiments disclosed herein relate to devices and methods for treating wounds with or without reduced pressure, including, for example, negative pressure sources and wound dressing components and devices. Devices and components comprising wound covering and filling materials or internal layers, if present, are sometimes collectively referred to herein as dressings. In some embodiments, a wound dressing may be provided for use without reducing pressure.

[0072] Some embodiments disclosed herein relate to wound therapy for use in the human or animal body. Thus, any reference herein to a wound may refer to a wound on a human or animal body, and any reference herein to a body may refer to a human or animal body.

[0073] The disclosed techniques may relate to preventing or minimizing damage to physiological or living tissue, or to the treatment of damaged tissue (eg, wounds as described herein).

[0074] As used herein, the expression "wound" may include any injury to l...

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Abstract

An absorbent component for a wound dressing comprises a stitch-bonded nonwoven substrate, where the nonwoven substrate is stitch-bonded with elastic yarns, and where the nonwoven substrate comprises a superabsorbent material and / or a cementitious material. A method of manufacturing the absorbent member, a wound dressing or negative pressure device comprising the absorbent member, and a method of treating a wound using the wound dressing or negative pressure device comprising the absorbent member are also disclosed.

Description

technical field [0001] Embodiments of the present disclosure relate to absorbent components useful in devices, systems, and methods for treating wounds, such as in wound dressings in combination with negative pressure wound therapy or non-negative pressure wound therapy. The absorbent members, devices, systems and methods may comprise or implement any combination of the features described below. Background technique [0002] Many different types of wound dressings are known for aiding in the healing process of humans or animals. These different types of wound dressings include many different types of materials and layers, eg, gauze, pads, foam pads or multi-layered wound dressings. Local negative pressure therapy, also sometimes referred to as vacuum assisted closure, negative pressure wound therapy or reduced pressure wound therapy, is widely recognized as a beneficial mechanism for increasing the healing rate of wounds. Such therapies are suitable for a wide range of wou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L15/26A61L15/28A61L15/60A61F13/00A61M1/00
CPCA61L15/28A61L15/26A61L15/60A61F13/05C08L75/04A61F13/534A61F2013/530481A61F2013/53463A61F13/53A61F13/00987A61F13/0209A61F13/0213A61F13/0289A61F13/01008A61F13/01021A61M1/91A61F13/539
Inventor 艾米·妮可·惠德雷克
Owner T J SMITH & NEPHEW