公开(公告)号：US20230210379A1

公开(公告)日：2023-07-06

申请号：US18009132

申请日：2021-06-21

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Shyam BHARAT ,  Alvin CHEN ,  Mingxin ZHENG ,  Ramon Quido ERKAMP

IPC: A61B5/00 ,  A61B17/3207 ,  A61B18/24

CPC classification number: A61B5/0093 ,  A61B17/3207 ,  A61B18/24 ,  A61B2018/00345

Abstract: Systems and methods for laser catheter treatment in a vessel lumen. The method includes inserting the laser catheter within the vessel lumen to a location of a treatment area; presenting an image of the treatment area within the vessel lumen based on using an ultrasound (US) imaging system; and, detecting, in real-time, a bubble cloud that is a function of the laser catheter operation (at a prescribed speed and controlling a fluence and a pulse rate) in the treatment area. The method determines a vessel diameter, a real-time location and measurements of the bubble cloud, and estimates a dwell position and dwell time. A dynamic displayed image that is indicative of a progression of the laser catheter treatment is presented, and commands may be generated to modify the laser catheter parameters responsive to the estimated dwell position, the estimated dwell time, and a recommended treatment protocol.

公开(公告)号：US20230225793A1

公开(公告)日：2023-07-20

申请号：US18009127

申请日：2021-06-15

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Ramon Quido ERKAMP ,  Alvin CHEN ,  Shyam BHARAT ,  Mingxin ZHENG ,  Grzegorz Andrzej TOPOREK ,  James David CEZO

IPC: A61B18/24

CPC classification number: A61B18/24 ,  A61B2018/00577

Abstract: Methods, Apparatuses, and Systems of operating a laser atherectomy system to perform an endoscopic atherectomy procedure within a vessel at a therapeutic region of an anatomical condition by use of an atherectomy laser device coupled to an ultrasound imaging probe. The atherectomy laser device operates to generate photoacoustic signals from a light source of the atherectomy laser device to for guidance within the vessel and to characterize tissue about the therapeutic region by delivery of pulsed wavelengths within the vessel, and to perform operations of tissue ablation directed to the anatomical condition. This enables guidance of the atherectomy laser device by feedback from the viewing of photoacoustic images based on photoacoustic signals generated the atherectomy laser device and created in response to changes in acoustic intensity due to changes of optical wavelength monitored by the ultrasound imaging probe.