Embodiments related to methods and wearable medical detecting systems for detecting disease states and/or treatment states of a subject are described. In one embodiment, a wearable structure may include one or more radiation detectors use to detect a time varying radiation signal emitted from a labeled compound within a body portion of interest. The radiation signal may be analyzed to determine one or more signal characteristics that may be compared to one or more predetermined standard characteristics associated with known disease and/or treatment states to determine a current disease and/or treatment state of a subject.

Described is a directional gamma detector including a detection probe and a handgrip, wherein the detection probe includes: a supporting rod and a detection head coupled or integrated with a first end of the supporting rod. The detection head includes a plurality of detection elements distinct from each other for simultaneously detecting gamma rays directed in different directions and including at least one scintillation crystal and a corresponding first electronic conversion circuitry. Each detection element is associated with a respective collimator. The handgrip is equipped internally with a second electronic circuitry for converting the signals. The detection probe, and in particular a second end of the supporting rod, is reversibly connectable to the handgrip by a mechanical connector equipped with electrical contacts for transferring the signals from the first electronic conversion circuitry to the second electronic conversion circuitry.

An imaging system is provided that includes a gantry defining a bore configured to accept an object to be imaged, wherein the gantry is configured to rotate about the bore. The system includes multiple detector units mounted to the gantry and configured to rotate with the gantry around the bore in rotational steps, each detector unit configured to sweep about a corresponding axis and acquire imaging information while sweeping about the corresponding axis. The system includes at least one processor operably coupled to at least one of the detector units that is configured to acquire, during an initial portion of a scan, imaging information of the object based on an initial contour and to detect an actual emission contour based on the imaging information. The processor is configured to update a scan sweep plan based on the detected actual emission contour for a remaining portion of the scan.

A computer-tomography (CT) imaging system, comprising an imaging data acquisition system. The imaging data acquisition system includes a plurality of sets of a detector section, a storage section, and an aggregation section. The detector section includes a plurality of detector elements each being configured to convert radiation into electric signals. The aggregation section is configured to aggregate imaging data carried by the electronic signals from the detector section. The storage section is connected with an output of the detector section and an input of the aggregation section. The storage section comprises a predetermined number of non-volatile memories to store the imaging data from the corresponding detector elements.

A detector sub-assembly for a CT system includes a detector module that includes a mount block having a top planar surface, a Y-axis planar surface that is parallel with the top planar surface, an X-axis planar surface that is orthogonal to the first Y-axis planar surface, and an aperture passing through the X-axis planar surface. The module includes a substrate having a pixelated photodiode positioned thereon, and a two-dimensional anti-scatter grid (ASG) positioned on the pixelated photodiode. The detector sub-assembly includes a support structure including a Y-axis mount surface and an X-axis mount surface, and a second aperture passing through the X-axis mount surface, a mounting screw having an outer diameter that is smaller than an inner diameter of the aperture and passing through the aperture and into the second aperture when the Y-axis planar surface is on the Y-axis mount surface.

A radiographic imaging system includes a radiographic detector programmed to display the patient identifying information in human readable form and to access information about the patient stored in locations accessible through a network. Embodiments of methods and/or apparatus for a radiographic imaging system can include a radiographic detector including an image receptor to receive incident radiation and generate uncorrected electronic image data; network accessible storage and/or processor to generate calibration-corrected image data from the uncorrected electronic image data provided from the detector. The calibration-corrected image data can be further processed by the network accessible processor before transmitting a corrected image (e.g., DICOM image) back to the radiographic imaging system.

An adjustable collimator device for collimating a beam of energy emitted from a radiation source is disclosed. The collimator has an elongated plate-like body with a front-end and a rear-end. The collimator has a first set of emission apertures equally spaced around a central axis of the body that defines a zero-degree position. The first set of emission apertures are placed on the rear-end of the body and are configured to receive and sample a beam of energy entering the adjustable collimator device. A second set of apertures are placed proximate the front-end of the body. The second set of apertures are adjustable such that a first of the second set of apertures can be configured to have a first angular offset relative to the zero-axis and a second of the second set of apertures can be configured to have a second angular offset relative to the zero-axis.

Systems and methods for delivery a medical device to a heart valve annulus are disclosed. A method of delivering a medical device to a heart valve annulus includes: (1) aligning a first imaging sensor such that a view of the first imaging sensor is along a primary plane of the heart valve annulus; (2) aligning a second imaging sensor such that a view of the second imaging sensor is along a longitudinal axis of the heart valve annulus; (3) attaching a delivery system holding the medical device to a delivery arm; (4) adjusting the delivery arm to set an angle of the delivery system perpendicular to the primary plane using images from the first imaging sensor; (5) adjusting the delivery arm to center the delivery device in the heart valve annulus using images from the second imaging sensor; and (6) deploying the medical device into the heart valve annulus.

A radiation detector head assembly includes a detector column. The detector column includes a detector having a first surface and a second surface opposite the first surface. The detector column also includes a first collimator disposed over the first surface of the detector configured for use during imaging scans involving radiation in a first energy range. The detector column further includes a second collimator disposed over the second surface of the detector configured for use during imaging scans involving radiation in a second energy range different from the first energy range.

A radiation imaging apparatus including: a first scintillator layer configured to convert a radiation (R) which has entered the first scintillator layer into light; a second scintillator layer configured to convert a radiation transmitted through the first scintillator layer into light; a fiber optic plate (FOP) provided between the first scintillator layer and the second scintillator layer; and an imaging portion configured to convert the light generated in the first scintillator layer and the light generated in the second scintillator layer into an electric signal.