US 11,890,173 B2
3D printed nasal pharyngeal and oral swabs
Amir Mansouri, Los Angeles, CA (US); and Hossein Bassir, Los Angeles, CA (US)
Assigned to SprintRay Inc., Los Angeles, CA (US)
Filed by SprintRay Inc., Los Angeles, CA (US)
Filed on Aug. 17, 2022, as Appl. No. 17/890,117.
Application 17/890,117 is a continuation of application No. 17/246,296, filed on Apr. 30, 2021, granted, now 11,471,337.
Claims priority of provisional application 63/018,459, filed on Apr. 30, 2020.
Prior Publication US 2022/0387228 A1, Dec. 8, 2022
Int. Cl. A61F 13/38 (2006.01); B33Y 80/00 (2015.01); A61B 10/00 (2006.01)
CPC A61F 13/385 (2013.01) [A61B 10/0051 (2013.01); B33Y 80/00 (2014.12)] 9 Claims
OG exemplary drawing
 
1. A method for constructing a three-dimensionally (3D) printed swab using a 3D-printer, comprising:
printing a collection tip of a first photosensitive material that is rigid and brittle when cured;
printing a stem extending from a distal end of the collection tip, the stem formed of a second photosensitive material that is soft and bendable when cured; and
printing a body breakably connected to the stem with a breakpoint between the stem and a handle of the body.