US 12,295,655 B2
Bodily substance detection by evaluating photoluminescent response to excitation radiation
Ralf Brinkmann, Grevenbroich (DE); and Birgit Lange, Lübeck (DE)
Assigned to Boston Scientific Corporation, Marlborough, MA (US)
Filed by Boston Scientific Corporation, Marlborough, MA (US)
Filed on May 15, 2023, as Appl. No. 18/197,479.
Application 18/197,479 is a continuation of application No. 16/864,358, filed on May 1, 2020, granted, now 11,672,600.
Application 16/864,358 is a continuation of application No. 15/177,888, filed on Jun. 9, 2016, granted, now 10,709,505, issued on Jul. 14, 2020.
Claims priority of provisional application 62/173,840, filed on Jun. 10, 2015.
Prior Publication US 2023/0285079 A1, Sep. 14, 2023
Int. Cl. A61B 18/26 (2006.01); A61B 5/00 (2006.01); A61B 5/06 (2006.01); A61B 18/00 (2006.01); A61B 18/20 (2006.01); A61B 18/24 (2006.01); A61B 5/20 (2006.01); A61B 17/00 (2006.01)
CPC A61B 18/26 (2013.01) [A61B 5/0071 (2013.01); A61B 5/0075 (2013.01); A61B 5/0084 (2013.01); A61B 5/06 (2013.01); A61B 18/20 (2013.01); A61B 18/24 (2013.01); A61B 18/245 (2013.01); A61B 5/20 (2013.01); A61B 2017/00061 (2013.01); A61B 2017/00066 (2013.01); A61B 2018/00505 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/00666 (2013.01); A61B 2018/00773 (2013.01); A61B 2018/00785 (2013.01); A61B 2018/00904 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A medical laser system, comprising:
a first laser source configured to generate a treatment radiation;
a second laser source configured to generate an excitation radiation in a pulsed manner;
a radiation detector;
an optical system configured to:
optically couple the treatment radiation and the excitation radiation into a fiber, and
optically couple photoluminescence radiation received at a distal end of the fiber to the radiation detector, wherein the photoluminescence radiation is emitted by a target responsive to illumination by the excitation radiation; and
a controller coupled to the radiation detector configured to:
receive an indication of the photoluminescence radiation from the radiation detector,
discriminate between the target and a remainder of a treatment site based on the photoluminescence radiation,
determine a distance between the distal end of the fiber and the target based on the photoluminescence radiation, and
provide feedback to a user to indicate the distance.