US 12,251,299 B2
Method for automated production of a vascular endoprosthesis
Dominique Fabre, Garches (FR); and Stéphan Haulon, Paris (FR)
Assigned to FONDATION HÔPITAL SAINT-JOSEPH, Paris (FR)
Appl. No. 17/420,443
Filed by FONDATION HOPITAL SAINT-JOSEPH, Paris (FR)
PCT Filed Jan. 3, 2020, PCT No. PCT/EP2020/050071
§ 371(c)(1), (2) Date Jul. 2, 2021,
PCT Pub. No. WO2020/141211, PCT Pub. Date Jul. 9, 2020.
Claims priority of application No. 1900042 (FR), filed on Jan. 3, 2019.
Prior Publication US 2022/0079737 A1, Mar. 17, 2022
Int. Cl. B33Y 70/00 (2020.01); A61F 2/00 (2006.01); A61F 2/06 (2013.01); B29C 64/118 (2017.01); B33Y 10/00 (2015.01); B33Y 50/00 (2015.01); B33Y 80/00 (2015.01)
CPC A61F 2/06 (2013.01) [A61F 2/0077 (2013.01); B29C 64/118 (2017.08); B33Y 50/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); A61F 2002/065 (2013.01); A61F 2210/0014 (2013.01); A61F 2230/0069 (2013.01); A61F 2240/004 (2013.01); A61F 2250/0058 (2013.01); B33Y 10/00 (2014.12)] 13 Claims
OG exemplary drawing
 
1. A method for producing a vascular endoprosthesis intended to be inserted into a natural cavity of an individual from a three-dimensional model of the natural cavity, said model comprising a main channel, at least one channel branch extending from the main channel, and an intersection between the main channel and the channel branch,
the process comprising steps of:
obtaining an imprint structure designed to follow a shape of the main channel,
the imprint structure comprising at least one location in correspondence with the intersection of the three-dimensional model,
placing a lug on said location of the imprint structure,
moulding a prosthesis wall above the imprint structure, the prosthesis wall being made of polymer, a prosthesis window or a prosthesis branch being made in the region of said location of the imprint structure,
demoulding the prosthesis wall from the imprint structure, thereby obtaining the vascular endoprosthesis comprising the prosthesis window or the prosthesis branch.