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Lattice structure made by additive manufacturing

A network structure and additive manufacturing technology, which is applied in the direction of additive processing, dressing containers, dressing preparations, etc., can solve the problems that the stiffness of the mask cannot be well controlled, the patient is uncomfortable, and the effectiveness of the mask is reduced.

Inactive Publication Date: 2014-07-09
MATERIALISE NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the uniform thickness means that the stiffness in different areas of the mask cannot be well controlled
This may result in incorrect pressure values ​​being applied in specific wound site areas
While additive manufacturing methods make it possible in principle to fabricate various structures, these methods currently do not allow the use of sufficiently durable and transparent materials for use in face shields
Additionally, state-of-the-art manufacturing methods can result in a poor fit in approximately one-third of cases, which can cause patient discomfort and / or reduce the effectiveness of the mask

Method used

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  • Lattice structure made by additive manufacturing
  • Lattice structure made by additive manufacturing
  • Lattice structure made by additive manufacturing

Examples

Experimental program
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Embodiment

[0105] a) mask

[0106] figure 1 A freeform structure ( 1 ) according to a particular embodiment of the invention is shown. The free-form structure described conforms to the surface of the human face. In particular, the free-form structure described is a mask that can be used for (burn) wound treatment. figure 1 The freeform structure shown comprises a network (2) impregnated in a polymeric material (5). The open network structure and the transparency of the polymer ensure that the freeform structures are transparent. The network is defined by unit cells (4) with dimensions between 1 and 20 mm. The network structure is provided with varying unit cell geometries and dimensions to control the stiffness of the freeform structure. Said mesh structure further comprises unimpregnated holes (6) for eyes, nose and mouth.

[0107] b) Overmolding process

[0108]The methods provided herein for the manufacture of free-forming structures involve the step of impregnating a base ...

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Abstract

The present invention relates to free-form structures made by additive manufacturing, and methods for the manufacture thereof. The rigid free-form structures comprise a lattice structure which is impregnated by a polymeric or other material. The rigid free- form structures may be used in wound treatment, e.g. as a facial mask.

Description

technical field [0001] The present invention relates to free-form structures prepared by additive manufacturing, and to methods for their manufacture. The free-forming structures are useful in wound therapy, compression therapy, orthopedics and prosthetics. Background technique [0002] A scar is an area of ​​fibrous tissue that replaces normal skin following an injury. In particular, scar tissue forms after an injury by replacing normally soft, functional tissue with connective tissue (inelastic collagen fibers). Thus, scarring is a natural part of the healing process. However, scars can cause functional problems and affect a patient's self-esteem, especially in the case of burns. Treating facial burns presents particular challenges. Because of their proximity to the eyes, nose, ears, and nasal passages, facial burns can have serious visual and pulmonary complications. The use of custom burn masks to facilitate the healing process and minimize scarring is known. Custo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/02A61K8/86A61K8/87A61K8/88A61K8/89A61L15/42
CPCA61K8/0212A45D44/002A61Q19/00A61F13/122A61F13/0293A61F13/00063A61F13/00991A61F13/04A61F13/104A61F2013/00157A61F2013/00272A61F2013/0028A61F2013/0037A61F2013/00382A61F2013/00519A61F2013/00548A61F2013/00574A61F2013/00604A61F2013/00629A61F2013/00646A61F2013/00846A61F2013/00906A61F2013/0094A61F13/00055B33Y80/00Y10T428/24273Y10T29/49888B33Y70/00A61F13/01034A61F13/01029A61K8/02
Inventor J·H·P·帕拉里M·L·J·德布瑞金
Owner MATERIALISE NV
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