Cut-to-size wound dressing with distributed gripping areas
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Solution Overview
Problem
Cut-to-size wound dressings often lack manual gripping areas on separated sections, making it difficult to detach the protective layer without compromising the airtight and vacuum-tight closure of the wound space, especially for extensive or irregular wounds.
Innovation Solution
Incorporating multiple, distributed gripping areas along the circumference of the wound dressing that protrude beyond the bandage edge, combined with a support element that provides stabilization through inwardly extending strips or webs and weakening lines, ensuring easy detachment of the protective layer without compromising the seal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple distributed gripping areas are added to the wound dressing, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The protective layer is segmented into multiple separate gripping areas distributed around the circumference of the wound dressing. Each gripping area is a distinct tab-shaped or strip-shaped region that can be independently grasped and used to detach the protective layer. This segmentation allows users to access gripping areas at different locations, facilitating easy detachment even when the dressing is applied to extensive or irregular wounds.
Solution Approach 2:
The gripping areas extend beyond the plane of the flat material layer in the circumferential direction, creating a three-dimensional structure. This dimensional extension allows the gripping areas to protrude outward, making them manually accessible without compromising the airtight seal of the flat material layer against the wound.
2Stability of the object's composition
If the support element extends inward to stabilize the flat material layer, then stability is improved, but device complexity increases
Solution Approach 1:
The support element is segmented into multiple strip-shaped or web-shaped sections that extend inward from the outer peripheral region toward the center of the wound dressing. These sections are distributed around the circumference and may intersect or meet in the middle, creating a framework structure that stabilizes the flat material layer without requiring a solid continuous support.
Solution Approach 2:
The support element is designed as thin, flexible strips or webs that can conform to the contours of the wound and surrounding tissue. These thin film structures provide sufficient mechanical stabilization to prevent wrinkling or deformation of the flat material layer while maintaining flexibility for proper application to irregular wound surfaces.
3Ease of operation
If gripping areas protrude beyond the bandage edge, then ease of operation is improved, but airtight closure may be compromised
Solution Approach 1:
The gripping areas are segmented as separate tab-shaped or strip-shaped protrusions that are spatially distinct from the main sealing surface of the flat material layer. This segmentation allows the gripping portions to extend beyond the bandage edge for manual access while the central sealing area remains intact to maintain airtight and vacuum-tight closure.
Solution Approach 2:
The gripping areas utilize the circumferential dimension by extending outward from the edge of the flat material layer in a direction perpendicular to the sealing surface. This dimensional arrangement allows manual gripping without interfering with the radial or axial sealing contact between the flat material layer and the wound surface.
Data Source
Figure 1~2
AI summary
The invention relates to a wound dressing (2) that can be cut to size, in particular a film or foil dressing for use in vacuum therapy of wounds for airtight and vacuum-tight closure of a wound area, with a flat material layer (4), particularly on a film or foil base, which effects the airtight and vacuum-tight closure, with a support element (8) provided on the side (6) of the flat material layer (4) facing away from the wound, which support element (8) in particular forms a frame and stabilizes the flat material layer (4) in the areal extent upon application of the dressing (2), and with an adhesive coating (10) provided on the side (12) of the flat material layer (4) facing towards the wound, and with a removable protective layer (14) which covers the adhesive coating (10) up to the time of application of the dressing, and with manual grip areas, in particular tab-shaped or strip-shaped grip areas, which do not adhere to the adhesive coating (10) and by means of which the protective layer (14) is more easily removed from the adhesive coating (10). In order to improve the removal of the protective layer (14), it is proposed that a plurality of grip areas (16)are provided in the circumferential direction (18) about the outer periphery of the dressing.