Abstract:
A system and method include a shape sensing enabled device (116) having at least one optical fiber (118). A source positioning module (124) is configured to receive optical signals from the at least one optical fiber within a structure and interpret the optical signals to provide motion information of treatment sources within the device. A dose determination module (130) is configured to provide one or more temporal bins representing a total treatment time. For each temporal bin, the dose determination module is configured to determine a dose received bya target area to be treated using the motion information of the treatment sources. The dose determination module is further configured to combine the dose received by the target area for each of the one or more temporal bins to determine a total dose received by the target area.
Abstract:
The invention relates to a calibration apparatus for calibrating a system for introducing an influencing element like a radiation source into an object, particularly for calibrating a brachytherapy system. First and second images show a longish introduction device (12) like a catheter and a tracking device (16) like an electromagnetically trackable guidewire inserted into the introduction device as far as possible,and the introduction device and a calibration element(46)having the same dimensions as the influencing element and being inserted into the introduction device as far as possible. A spatial relation between the tracking device and the calibration element is determined based on the images for calibrating the system. Knowing this spatial relation allows accurately determining an influencing plan like a brachytherapy treatment plan and accurately positioning the influencing element in accordance with the influencing plan, which in turn allows for a more accurate influencing of the object.
Abstract:
An electromagnetic ("EM") tracking configuration system employs an EM quality assurance ("EMQA") (30) and EM data coordination ("DC") system (70). For the EMQA system (30), an EM sensor block (40) includes EM sensor(s) (22) positioned and oriented to represent a simulated electromagnetic tracking of interventional tool(s) inserted through electromagnetic sensor block (40) into an anatomical region. As an EM field generator (20) generates an EM field (21) encircling EM sensor(s) (22), an EMQA workstation (50) tests an EM tracking accuracy of an insertion of the interventional tool(s) through the EM sensor block (40) into the anatomical region. For the EMDC system (70), as EM field generator (20) generates EM field (21) encircling a mechanical interaction of EM calibration tool(s) (80) with a grid (120) for guiding interventional tool(s) through gird (120) into an anatomical region, the electromagnetic data coordination workstation (90) establishes a coordination system for electromagnetically tracking an insertion of the interventional tool(s) through grid (120) into the anatomical region.
Abstract:
An ultrasound calibration system employs a calibration phantom (20), an ultrasound probe (10) and a calibration workstation (40a). The calibration phantom (20) encloses a frame assembly (21) within a calibration coordinate system established by one or more phantom trackers. In operation, the ultrasound probe (10) acoustically scans an image of the frame assembly (21) within an image coordinate system relative to a scan coordinate system established by one or more probe trackers. The calibration workstation (40a) localizes the ultrasound probe (10) and the frame assembly image (11) within the calibration coordinate system and determines a calibration transformation matrix between the image coordinate system and the scan coordinate system from the localizations.
Abstract:
The invention relates to a determination apparatus for determining the pose and shape of an introduction element like a catheter within a living being, wherein the introduction element (12) is adapted to be used by a brachytherapy apparatus for introducing a radiation source (10) close to a target object (11) to be treated. A position determination element (27) like guidewire (20) with an electromagnetic tracking element (16) is introduced into the introduction element (12) such that it is arranged at different locations within the introduction element (12), wherein the positions of the position determination element (27) within the introduction element (12) are determined. The determined positions are then acquired depending on the determined positions for determining the pose and shape of the introduction element within the living being. This can lead to a determination procedure with reduced user interaction, thereby simplifying the determination procedure for the user.
Abstract:
A method generates images based on context-aware imaging. The method includes acquiring a first image of a patient using first image acquisition parameters. The method includes determining, within the first image, an area as a function of first data associated with the patient. The method includes determining modification data as a function of at least one of (a) second data corresponding to the determined area and (b) the first data. The method includes determining second image acquisition parameters as a function of the modification data and the first image acquisition parameters. The method includes acquiring a second image of the patient using the second image acquisition parameters.
Abstract:
The invention relates to an imaging system for generating an image of a living object (11) like an image from a prostate during a brachytherapy. A first ultrasound data generating unit (40) like a TRUS probe generates first ultrasound data of a field of view (52) including the object and a second ultrasound data generating unit (50), which might be an ultrasound transducer on a brachytherapy catheter (12), generates second ultrasound data of at least a part of the field of view, wherein a segmented ultrasound image, in which the object is segmented, is generated based on the ultrasound data. In particular, spatial regions, which are not sensible by the first ultrasound data generating unit due to shadows (53), may be sensible by the second ultrasound data generating unit, which may allow for an augmentation of the first ultrasound data and finally for a segmented image having an improved quality.
Abstract:
A method for reviewing a treatment plan including displaying list of at least one of a selected plurality of patients, institutions, and treatment plans associated with a treatment planning system, selecting at least one of the one or more patients, institutions, and treatment plans, querying treatment plan parameters associated with the selected one or more patients, institutions, and treatment plans, and generating a report file of the queried treatment plan parameters