US 12,251,337 B2
Eye treatment device, in particular for glaucoma
Reinhardt Thyzel, Eckental (DE)
Assigned to A.R.C. Laser GmbH, Nuremberg (DE)
Filed by A.R.C. Laser GmbH, Nuremberg (DE)
Filed on Feb. 11, 2021, as Appl. No. 17/173,744.
Claims priority of application No. 10 2020 134 738.3 (DE), filed on Dec. 22, 2020.
Prior Publication US 2022/0192884 A1, Jun. 23, 2022
Int. Cl. A61F 9/00 (2006.01); A61F 9/008 (2006.01); A61F 9/009 (2006.01)
CPC A61F 9/00821 (2013.01) [A61F 9/009 (2013.01); A61F 2009/00891 (2013.01); A61F 2210/0071 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An eye treatment device for use in glaucoma therapy, comprising:
a) at least one applicator head for applying laser light (L) into an eye;
b) wherein the applicator head comprises:
b1) at least one light guide with an exit end for the laser light (L) at a distal end of the light guide;
b2) a cavity with an opening enclosed by a contact ring for placement on the eye, the cavity having an inner surface, and
b3) the light guide extending self-supporting and exposed within the cavity, wherein the inner surface of the cavity is spaced apart from the light guide;
b4) wherein the cavity is configured to receive and collect treatment fluid on an ocular surface of the eye, the treatment fluid being accumulated in the cavity to cool the light guide exposed in the cavity,
b5) wherein an inner diameter of the contact ring of the cavity is selected between three times and 40 times the diameter of the light guide;
wherein an inner diameter (D) of the contact ring or of the opening of the cavity is selected between one of (i): 1.5 mm and 4 mm, (ii) between 2.5 mm and 3.5 mm, or (iii) between three times and seven times, the diameter (d) of the light guide.