US 12,257,775 B2
3D printing head for bioprinters
Ali Ahmadi, Charlottetown (CA); Ben Gregory Maccallum, Charlottetown (CA); Wyatt Norman Macnevin, Charlottetown (CA); and Emad Naseri, Charlottetown (CA)
Appl. No. 17/632,682
Filed by University of Prince Edward Island, Charlottetown (CA)
PCT Filed Aug. 7, 2020, PCT No. PCT/CA2020/051087
§ 371(c)(1), (2) Date Feb. 3, 2022,
PCT Pub. No. WO2021/022381, PCT Pub. Date Feb. 11, 2021.
Claims priority of provisional application 62/884,217, filed on Aug. 8, 2019.
Prior Publication US 2022/0274332 A1, Sep. 1, 2022
Int. Cl. B29C 64/00 (2017.01); B29C 64/209 (2017.01); B29C 64/321 (2017.01); B33Y 30/00 (2015.01); B33Y 40/00 (2020.01)
CPC B29C 64/209 (2017.08) [B29C 64/321 (2017.08); B33Y 30/00 (2014.12); B33Y 40/00 (2014.12); B29K 2995/0056 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A misting attachment for use in a material deposition process, the misting attachment comprising:
a receiver for receiving a deposition head having an exit nozzle through which a material can be deposited;
a mist delivery channel in proximity to the exit nozzle of the deposition head when present, the mist delivery channel arranged to supply a flow of a cross-linker or suspension of particles around the material being deposited through the deposition head; and
a mist extraction channel in proximity to the exit nozzle of the deposition head when present, the mist extraction channel arranged to extract a flow of excess cross-linker or suspension of particles from around the material being deposited.