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HIGH RESOLUTION 3D PRINTING PROCESS OF COMPLEX STRUCTURES

[Category : - Construction Processes & Equipment]
[Viewed 341 times]

A printing process of high resolution, preferably medical, devices with complex geometries is described, comprising the steps of: printing a model (1) with a three-dimensional printing method by using a three-dimensional printer; said model (1) positive reproducing the medical device (10) to be made; - said model (1) being printed of a first water-soluble polymer (2) or aqueous solutions; covering said model (1) with a layer of material (3) insoluble to a solution able to dissolve said first soluble polymer (2); said covering step making a shell of solid mold (7) provided with a surface comprising empty interstitial spots; - infiltrating an amount of water or aqueous solution into said solid mold through said empty interstitial spots so that to dissolve said model (1) and to make a mold cavity (8) negative reproducing said model (1); - infiltrating into the mold

Patent publications:

US 20230182347

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gaston (Switzerland)

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