US 12,458,733 B2
Medical device and method for producing medical device
Naoto Takemura, Atsugi (JP)
Assigned to TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed by TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 22, 2022, as Appl. No. 17/701,619.
Application 17/701,619 is a continuation of application No. PCT/JP2020/030405, filed on Aug. 7, 2020.
Claims priority of application No. 2019-176153 (JP), filed on Sep. 26, 2019.
Prior Publication US 2022/0211916 A1, Jul. 7, 2022
Int. Cl. A61K 31/14 (2006.01); A61K 31/496 (2006.01); A61K 31/65 (2006.01); A61K 31/727 (2006.01); A61L 27/14 (2006.01); A61L 27/34 (2006.01); A61L 29/08 (2006.01); A61L 29/12 (2006.01); A61L 29/16 (2006.01); A61L 31/10 (2006.01); A61M 5/32 (2006.01); A61M 25/00 (2006.01); A61M 25/09 (2006.01)
CPC A61L 29/08 (2013.01) [A61K 31/14 (2013.01); A61K 31/496 (2013.01); A61K 31/65 (2013.01); A61K 31/727 (2013.01); A61L 27/14 (2013.01); A61L 27/34 (2013.01); A61L 29/16 (2013.01); A61L 31/10 (2013.01); A61M 5/32 (2013.01); A61M 25/09 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A medical device comprising:
a substrate; and
a mottled structure at a surface of the substrate, the mottled structure comprising:
a convex portion containing crosslinked silicone and an antibacterial agent, the convex portion comprising a plurality of granular projections that are randomly connected to form meandering linear bodies, and
a concave portion at which the surface of the substrate is exposed from the crosslinked silicone and the antibacterial agent, the concave portion surrounding the convex portion so that the linear bodies are arranged in a dispersed manner.