Method for producing a 3D-printed tissue substitute
US11772325B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Jun 22, 2022 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Jun 22, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/753
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for producing a 3D-printed tissue substitute is disclosed, utilizing a 3D printing device including a tank including a yield stress fluid in which the material is printed, the printing material delivered by the cartridge includes polyvinyl alcohol and gelatin, the method including a step following which, after printing the material in the yield stress fluid, a printed intermediate device is solidified in the yield stress fluid by lowering the temperature of the tank. The intermediate device is removed from the tank, rinsed and dried in order to obtain the tissue substitute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.