公开(公告)号：US20210298842A1

公开(公告)日：2021-09-30

申请号：US17266600

申请日：2019-08-08

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Mischa MEGENS ,  Hendrik Roelof STAPERT ,  Mustafa Hakan GOKGURLER ,  Stefan VAN DE PAS ,  Jeroen KORTSMIT ,  Franciscus Hendrikus VAN HEESCH ,  Harm Jan Willem BELT ,  Ameet Kumar JAIN ,  McKee Dunn POLAND ,  Kunal VAIDYA

IPC: A61B34/20 ,  A61B8/08 ,  G06T11/00

Abstract: A system for determining a position of an interventional device (11) respective an imaging field (B1 . . . k) corresponding to a type (T1 . . . n) of a beamforming ultrasound imaging probe (13) currently connected to an ultrasound imaging system (14). The position is determined based on ultrasound signals transmitted between the beamforming ultrasound imaging probe (13) and an ultrasound transducer (15) attached to the interventional device (11). An image reconstruction unit (IRU) provides a reconstructed ultrasound image (RUI) corresponding to the imaging field (B1 . . . k). A position determination unit (PDU) receives input indicative of the type (T1 . . . k) of the beamforming ultrasound imaging probe (13) currently connected to the ultrasound imaging system (14). The position determination unit (PDU) also computes a position (LAPTOFFSmax, θIPA) of the ultrasound transducer (15) respective the imaging field (B1 . . . k). Computing the position (LAPTOFSmax, θIPA) comprises selecting from a group of beam sequences corresponding to a plurality of imaging probe types (T1 . . . n) a beam sequence corresponding to the type (T1 . . . n) of the beamforming ultrasound imaging probe (13) currently connected to the ultrasound imaging system (14) and assigning detected ultrasound signals to the selected beam sequence.

公开(公告)号：US20210321977A1

公开(公告)日：2021-10-21

申请号：US17265618

申请日：2019-08-07

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Mischa MEGENS ,  Hendrik Roelof STAPERT ,  Mustafa Hakan GOKGURLER ,  Stefan VAN DE PAS ,  Jeroen KORTSMIT ,  Franciscus Hendrikus VAN HEESCH ,  Harm Jan Willem BELT ,  Ameet Kumar JAIN ,  Kunal VAIDYA ,  Francois Guy Gerard Marie VIGNON

IPC: A61B8/08 ,  A61B8/12

Abstract: System (10) for determining a position of an interventional device (11) respective an image plane (12) defined by an ultrasound imaging probe (13). The position is determined based on ultrasound signals transmitted between the ultrasound imaging probe (13) and an ultrasound transducer (15) attached to the interventional device (11). An image reconstruction unit (IRU) provides a reconstructed ultrasound image (RUI). A position determination unit (PDU) computes a position (LAPTOFSmax, θIPA) of the ultrasound transducer (15) respective the image plane (12). The position determination unit (PDU) indicates the computed position (LAPTOFSmax, θIPA) in the reconstructed ultrasound image (RUI). The position determination unit (PDU) suppresses the indication of the computed position (LAPTOFSmax, θIPA) under specified conditions relating to the computed position (LAPTOFSmax, θIPA) and the ultrasound signals.

公开(公告)号：US20210307717A1

公开(公告)日：2021-10-07

申请号：US17266599

申请日：2019-08-02

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Mischa MEGENS ,  Hendrik Roelof STAPERT ,  Mustafa Hakan GOKGURLER ,  Stefan VAN DE PAS ,  Jeroen KORTSMIT ,  Franciscus Hendrikus VAN HEESCH ,  Harm Jan Willem BELT ,  Ameet Kumar JAIN ,  Kunal VAIDYA

IPC: A61B8/08 ,  A61B8/00 ,  A61B8/12

Abstract: System (10) for determining a position of an interventional device (11) respective an image plane (12) defined by an ultrasound imaging probe (13). The position is determined based on ultrasound signals transmitted between the ultrasound imaging probe (13) and an ultrasound transducer (15) attached to the interventional device (11). An image reconstruction unit (IRU) provides a reconstructed ultrasound image (RUI). A position determination unit (PDU) computes a lateral position (LAPTOFSmax, θIPA) of the ultrasound transducer (15) respective the image plane (12) based on a time of flight (TOFSmax) of a maximum detected intensity (ISmax) ultrasound signal. The position determination unit (PDU) also computes an out-of-plane distance (Dop) between the ultrasound transducer (15) and the image plane (12). Computing the out-of-plane distance (Dop) involves comparing the maximum detected intensity (ISmax) with a model (MO) describing an expected variation of in-plane maximum detected intensity (ISmaxInplane) with time of flight.

公开(公告)号：US20200375569A1

公开(公告)日：2020-12-03

申请号：US16996466

申请日：2020-08-18

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Mischa MEGENS ,  Jan Frederik SUIJVER

IPC: A61B8/08 ,  A61B8/00 ,  G01K13/00 ,  G01K11/24 ,  A61B18/14 ,  A61B8/12

Abstract: A medical ultrasound device is disclosed. The device comprises an elongated body having a proximal end, a distal end (10) and a distal end region (1). One or more ultrasound transducers (4) for generating acoustic radiation are positioned in the distal end region, inside the elongated body. A transmission element (5) which is substantially transparent to acoustic radiation is positioned in the radiation path of the acoustic radiation, and a controller unit is operatively connected to the ultrasound transducer. The controller unit detects the acoustic path length through the transmission element and determines the temperature at the distal end from the detected acoustic path length. In an embodiment, the medical device is an ultrasound RF ablation catheter.