US 12,004,894 B2
Marker and signal device for indicating the presence of a laser
Grant Michael Schmidt, Ardmore, PA (US); and Richard George Schmidt, Bryn Mawr, PA (US)
Filed by Grant Michael Schmidt, Ardmore, PA (US); and Richard George Schmidt, Bryn Mawr, PA (US)
Filed on Feb. 22, 2022, as Appl. No. 17/651,939.
Claims priority of provisional application 63/200,586, filed on Mar. 16, 2021.
Prior Publication US 2022/0296199 A1, Sep. 22, 2022
Int. Cl. A61B 6/04 (2006.01); A61B 6/00 (2006.01)
CPC A61B 6/547 (2013.01) [A61B 6/0492 (2013.01); A61B 6/4441 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A marker and signal device for positioning a laser, the device comprising:
a marker configured be positioned on a body of a patient, the marker comprising at least one sensor operable to selectively sense when the laser is pointed on the marker; and
a signal emitter operably coupled with the marker and configured to emit an observable signal when the one or more sensors senses the laser on the marker, wherein the signal emitter comprises one or more lights, and wherein the marker comprises a center point, and the signal emitter is configured to selectively emit, as the observable signal, a first color light when the laser is not pointed on the marker, a second color light when the laser is pointed on the marker away from the center point, and a third color light when the laser is pointed on the center point.