US 11,730,671 B2
Therapeutic eye treatment with gases
John Berdahl, Sioux Falls, SD (US); and George Tsai, Mission Viejo, CA (US)
Assigned to Equinox Ophthalmic, Inc., Newport Beach, CA (US)
Filed by Equinox Ophthalmic, Inc., Sioux Falls, SD (US)
Filed on Sep. 8, 2020, as Appl. No. 17/14,631.
Application 17/014,631 is a continuation of application No. 16/083,302, granted, now 10,799,421, previously published as PCT/US2017/021240, filed on Mar. 8, 2017.
Claims priority of provisional application 62/305,751, filed on Mar. 9, 2016.
Prior Publication US 2020/0397656 A1, Dec. 24, 2020
Int. Cl. A61H 35/02 (2006.01); A61F 9/00 (2006.01); A61B 3/10 (2006.01); A61F 9/02 (2006.01); A61F 9/008 (2006.01)
CPC A61H 35/02 (2013.01) [A61B 3/102 (2013.01); A61F 9/0008 (2013.01); A61F 9/02 (2013.01); A61F 2009/00891 (2013.01); A61H 2201/1238 (2013.01); A61H 2201/165 (2013.01); A61H 2205/024 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus to control humidity level of a fluid in a cavity over an anterior surface of a patient eye comprising:
an enclosure, sized and shaped to form the cavity over the anterior surface of the patient eye the enclosure including an inlet to receive the fluid and an outlet to return the fluid for recirculation, the cavity configured to contain the fluid in contact with the patient eye;
a humidity sensor in communication with the cavity, configured to sense an indication of humidity level in the cavity; and
a processor circuit configured to receive the indication of the humidity level and generate a control signal that is capable of both increasing and decreasing the humidity level of the fluid in the cavity.