ConvaTec Group has patented a method for manufacturing a laminated dressing that includes a lower layer with fiber material for patient’s skin, an upper layer with foam for absorbing exudate, and a binder layer with perforations formed by removing material with a pattern coated adhesive sheet. GlobalData’s report on ConvaTec Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on ConvaTec Group, was a key innovation area identified from patents. ConvaTec Group's grant share as of May 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.
Method of manufacturing laminated dressing with fiber and foam layers
A recently granted patent (Publication Number: US11998424B2) discloses a method for manufacturing a laminated dressing. The method involves providing a lower layer made of fiber material to directly contact a patient's skin and wound area, an upper layer made of foam material to absorb exudate and moisture, and binding these layers with a binder layer containing perforations. The perforations in the binder layer are created by removing material with a pattern-coated adhesive sheet before binding the layers. The lower layer can be made from non-woven spunlaced polymer fabric, polyethylene fibers (some coated with silicone), or regenerated cellulose fiber material (some including silicone). The upper layer is typically made from polyurethane and may contain an antimicrobial agent, which can be inorganic or metal-based. The binder layer is usually made from polyester or polyamide material.
Another aspect of the patent involves a method for fabricating a laminated dressing, which includes bringing a binder layer into contact with a pattern-coated adhesive sheet, making closed-loop cuts in the binder layer, and moving the binder layer away from the adhesive sheet to form cleared perforations. This method also utilizes a binder layer made from polyester or polyamide material. Overall, the patent details innovative techniques for creating laminated dressings that are designed to provide effective wound care by combining different materials with specific properties to enhance comfort, absorption, and antimicrobial properties. These methods offer a novel approach to manufacturing dressings that can potentially improve patient outcomes and overall wound healing processes.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
