Abstract: A system and method for shape sensing with optical fiber include collecting (610) shape data from a shape sensing optical fiber device. The shape data are tested (620) to determine data positions that exceed an acceptable threshold based on geometrical expectations of the shape data. The shape data corresponding to the data positions that exceed an acceptable threshold are rejected (640). Acceptable shape data are rendered (650) to provide a stable shape sensing data set.

Abstract: A system, device and method include a sensing enabled device having an optical fiber configured to perform distributed sensing of temperature-induced strain. An interpretation module is configured to receive optical signals from the optical fiber within a body and interpret the optical signals to determine one or more temperature transition points sensed by the sensing enabled device for image registration.

Abstract: A method for visualizing branches of a lumen includes inserting (402) a fiber optic shape sensing device into a lumen and determining (404) changes in the lumen based upon strain induced in the fiber optic shape sensing device by flow in the lumen. Locations of branches are indicated (410) on a rendering of the lumen. An instrument is guided (414) to the locations of branches indicated on the rendering.

Abstract: An image-guided system includes an X-ray imaging device for generating one or more X-ray images illustrating a tool within an anatomical region, and an ultrasound imaging device for generating an ultrasound image illustrating the tool within the anatomical region. The image-guided system further includes a tool tracking device for visually tracking the tool within the anatomical region. In operation, the tool tracking device localizes a portion of the tool as located within the ultrasound image responsive to an identification of the portion of the tool as located within the X-ray image(s), and executes an image segmentation of an entirety of the tool as located within the ultrasound image relative to a localization of the portion of the tool as located within the ultrasound image.

Abstract: The present invention relates to a sensor device for detecting dose of radiation received at the sensor device, the sensor device comprising a flexible body having a cross-section being comparatively small relative to the length of the device, a cladding at the flexible body, the cladding converting incoming radiation into visible light, and an optical shape sensing device disposed within the flexible body and configured to determine a shape of the flexible instrument relative to a reference, the shape sensing device configured to collect information based on its configuration to map an intraluminal structure during a procedure. The present invention further relates to a radiation therapy system including such a sensor device and a method of operating a radiation therapy system including such a sensor device.

Abstract: A method includes analyzing a spectral projection image of a portion of a subject, generating a value quantifying an amount of a target specific contrast material in a region of interest of the spectral projection image, and generating a signal indicative of a presence of the target in response to the value satisfying a predetermined threshold level.

Abstract: A voxel tagging system (100) includes a sensing enabled device (104) having an optical fiber (126) configured to sense induced strain within the device (Bragg grating sensor). An interpretation module (112) is configured to receive signals from the optical fiber interacting with an internal organ, e.g. heart, and to interpret the signals to determine positions visited by the at least one optical fiber within the internal organ. A data source (152, 154) is configured to generate data associated with an event or status, e.g. respiration, ECG phase, time stamp, etc. A storage device (116) is configured to store a history (136) of the positions visited in the internal organ and associate the positions with the data generated by the data source (152, 154).

Abstract: A system and method are provided for tracking a functional part of an instrument during an interventional procedure and displaying dynamic imaging corresponding to a functional part of the instrument. The system comprises: at least one instrument; a system for acquiring anatomical images relevant to guiding the instrument; a tether connected to the imaging system at a fixed end and connected to the instrument at a distal end, the tether comprising at least one longitudinal optical fiber with a plurality of optical shape sensors; an optical console that interrogates the sensors and detects reflected light; and a processor that calculates local curvature at each sensor location to determine the three-dimensional shape of the tether and determines the location and orientation of the instrument relative to the images using the local curvatures of the tether and the location of the fixed end of the tether.

Abstract: A shape sensing device, system and method include an interventional instrument (102) having regions of articulation to be configured to change shape during an interventional procedure. An optical fiber (202) is disposed on or about the areas of articulation in a pattern to provide an optical signal indicating an instantaneous change or current position or orientation of the instrument. A signal interpretation module (115) is configured to receive the optical signals and interpret the instantaneous change or current position or orientation of the instrument.

Abstract: An integrated optical shape sensing system and method include an arrangement structure (132) configured to receive a fiber port or connector. A platform (130) is configured to provide a distance relationship with the arrangement structure such that the fiber port or connector is trackable to provide a location reference. The platform secures a patient in proximity to the arrangement structure. An optical shape sensing enabled interventional instrument (102) has a first optical fiber cable connectable to the fiber port or connector. An optical interrogation module (108) is configured to collect optical feedback from the instrument and has a second optical fiber cable connectable to the fiber port or connector such that a known reference position is provided for accurate shape reconstruction.

Abstract: The present invention relates to visualizing information of an object.

Abstract: A radio therapy apparatus (100) includes a tissue of interest tracker (124) that receives a first image of tissue of interest and a second later acquired spectral image of the tissue of interest and tracks a change in a geometry and/or location of the tissue of interest based at least on the first and second images and generates a signal indicative of the change. The second image is generated based on a first spectral signal corresponding to an output of an energy-resolving radiation sensitive detector array for a first predetermined energy range and a second spectral signal corresponding to an output of the energy-resolving radiation sensitive detector array for a second predetermined energy range and visually enhances scanned structure corresponding to the first or second signals while visually suppressing scanned structure corresponding to the other of the first or second signals. An adaptive planner (126) updates a radiotherapy treatment plan based on the signal.

Abstract: The present invention relates to devices, system and method for detecting gestures. The devices, systems and methods uses optically shape sensing devices for tracking and monitoring users. This allows unhindered, robust tracking of persons in different setting. The devices, systems and methods are especially useful in health care institutions.

Abstract: A method of magnetic resolution (MR) imaging of a moving portion of a body of a patient placed in an examination volume of a MR device. For the purpose of enabling improved interventional MR imaging from acquiring a MR signal data with motion compensation, the invention proposes that the method includes repeated acts of collecting tracking data from an interventional instrument introduced into the portion of the body, subjecting the portion of the body to an imaging sequence for acquiring one or more MR signals therefrom, wherein parameters of the imaging sequence are adjusted on the basis of the tracking data, and reconstructing one or more MR images from the MR signal data set.

Abstract: A medical system for imaging includes a processor (114) and memory (116) coupled to the processor. The memory includes an optical shape sensing module (115) configured to receive shape sensing data from a shape sensing system (104) coupled to a medical instrument (102). The shape sensing system is configured to measure a shape and position of the medical instrument. An image generation module (148) is configured to detect and digitally remove image artifacts of the medical instrument from a generated image based on at least the shape and the position of the medical instrument as measured by the shape sensing system.

Abstract: A method, system, and program product hold and manipulate tools during an intervention procedure. The device comprises: a holder body in fixed attachment with a shape-sensing fiber optic fiber; one of a plurality of tools being held by the holder body in coupled alignment with the shape-sensing fiber optic fiber.

Abstract: A radio therapy apparatus (100) includes a tissue of interest tracker (124) that receives a first image of tissue of interest and a second later acquired spectral image of the tissue of interest and tracks a change in a geometry and/or location of the tissue of interest based at least on the first and second images and generates a signal indicative of the change. The second image is generated based on a first spectral signal corresponding to an output of an energy-resolving radiation sensitive detector array for a first predetermined energy range and a second spectral signal corresponding to an output of the energy-resolving radiation sensitive detector array for a second predetermined energy range and visually enhances scanned structure corresponding to the first or second signals while visually suppressing scanned structure corresponding to the other of the first or second signals. An adaptive planner (126) updates a radiotherapy treatment plan based on the signal.

Abstract: A system, method and non-transitory computer-readable storage medium for monitoring motion during medical imaging. The monitoring of the motion includes initiating an acquisition of image data, measuring physiological signals of a patient, generating a prediction signal by integrating the physiological signals, determining whether patient motion is likely to occur based on the prediction signal and modifying the acquisition of image data, if it is predicted that patient motion is likely to occur.

Abstract: A training or rating system includes a shape sensing enabled device (104) and a database (140) of possible shapes and sequences of shapes for the shape sensing enabled device. The possible shapes and sequences of shapes include a collection of poses derived by appropriately performing a procedure with the shape sensing enabled device. A comparison module (154) is configured to compare real-time poses of the shape sensing enabled device with the collection of poses in the database to output comparison feedback for a user of the shape sensing enabled device.

Abstract: A volume mapping instrument (20), deployable within a partially or a completely enclosed anatomical volume, employs one or more medical tools (40) with each medical tool (40) being transitional between a deployable structural configuration to orderly position each medical tool (40) within the anatomical volume and a mapping structural configuration to anchor the medical tool (40) against the boundary of the anatomical volume. The volume mapping instrument (20) further employs an optical shape sensor (30) to generate one or more encoded optical signals indicative of a shape of the boundary of the anatomical volume in response to each medical tool (40) being transitioned from the deployable structural configuration to the mapping structural configuration within the anatomical volume. Based on the encoded optical signal(s), a volume mapping module (51) is utilized to map a portion or an entirety of the boundary of the anatomical volume.