US 11,938,092 B1
Devices and methods for cornea treatment
Bruce H. DeWoolfson, Sterling, VA (US); Dale P. DeVore, Chelmsford, MA (US); Michael Luttrell, Dayton, OH (US); and Chris L. Davis, Escondido, CA (US)
Assigned to D&D Biopharmaceuticals, Inc., Sterling, VA (US)
Filed by D&D Biopharmaceuticals, Inc., Sterling, VA (US)
Filed on Nov. 30, 2022, as Appl. No. 18/072,163.
Int. Cl. A61J 1/20 (2006.01); A61F 9/00 (2006.01)
CPC A61J 1/2093 (2013.01) [A61F 9/0008 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A medical device comprising:
a body including a housing that defines a lumen, a piston within the housing, and an actuator operably coupled to the piston, wherein the piston is movable along the lumen by operating the actuator, wherein the body includes a release button to re-set a starting position of the piston, wherein the piston includes two pockets and the release button is coupled to an extension with two arms, each arm insertable into a respective pocket of the two pockets, and pressing the release button in a direction towards the piston along an axis perpendicular to the piston while the arms of the extension are inserted in the pockets moves the extension along the axis away from the piston and causes release of the arms of the extension from the pockets;
a cartridge insertable into the lumen, wherein a distal end of the cartridge is sealed with a pierceable material; and
a flexible fitting configured for direct application to an eye of a subject, the fitting being coupled to, and removable from, the cartridge or a distal end of the housing of the body.