Patent ID: 11931112
Assignee: BARD ACCESS SYSTEMS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 14:
15. A shape-sensing system for medical devices, comprising:
a medical device including an integrated optical-fiber stylet having a number of fiber Bragg grating (“FBG”) sensors along at least a distal-end portion of the optical-fiber stylet;
an optical interrogator configured to send input optical signals into the optical-fiber stylet and receive FBG sensor-reflected optical signals from the optical-fiber stylet;
a console including memory and one or more processors configured to convert the FBG sensor-reflected optical signals from the optical-fiber stylet into plottable data by way of a number of optical signal-converter algorithms; and
a display screen configured for displaying any plot of a number of plots of the plottable data, the number of plots including at least a plot of curvature vs. time for each FBG sensor of a selection of one or more of the FBG sensors in the distal-end portion of the optical-fiber stylet for identifying a distinctive change in strain of the optical-fiber stylet at a moment a tip of the medical device is advanced into a superior vena cava (“SVC”) of a patient.