Abstract:
A male coupler for a guidewire, the guidewire having a hollow walled tube, the male coupler comprising a connector section, coupled with the guidewire, a portion of the connector section having a diameter smaller than the diameter of the hollow tube, at least one conducting ring coupled with the connector section where the diameter of the connector section is smaller the diameter of the guidewire, wherein the diameter of connecter section and the at least one conducting ring substantially equals the diameter of the guidewire.
Abstract:
Method for positioning an artificial heart valve at the anatomic position of a malfunctioning heart valve of a heart of a patient, by employing a catheter bearing the artificial heart valve and a valve fixation device, at the tip of the catheter, the method including the procedures of receiving a marking input associated with an image of the heart, and respective of the anatomic position, in a medical positioning system (MPS) coordinate system, moving the tip toward the anatomic position, constantly detecting the current position of the artificial heart valve, and producing an indication when the current position substantially matches the anatomic position, thereby enabling the catheter to fix the malfunctioning heart valve in place, by the valve fixation device.
Abstract:
An elongate medical device having an axis comprises an inner liner, a jacket radially outward of the liner, a braid comprising metal embedded in the jacket, a sensor, and at least one wire electrically connected to said sensor. The at least one wire is one of: embedded in the jacket and optionally disposed helically around the braid; extending longitudinally within a tube which extends generally parallel to the device axis and wherein the tube is embedded in the jacket; and disposed within a lumen, wherein the lumen extends longitudinally within the jacket.
Abstract:
A method for registering a three dimensional (3D) coordinates system with a Medical Positioning System (MPS) coordinate system and with a two dimensional (2D) coordinate system, includes acquiring at least one 2D image of a volume of interest, the volume of interest including at least one tubular organ within the body of a patient. The 2D image is associated with the 2D coordinate system, and a plurality of MPS points is acquired, within the at least one tubular organ. The MPS points are associated with the MPS coordinate system, the MPS coordinate system being registered with the 2D coordinate system. A 3D image model is extracted of the at least one tubular organ form a pre-acquired 3D image of the volume of interest. A volumetric model of the at least one tubular organ from the 2D image is estimated and from the acquired MPS points, the 3D coordinate system is registered with the MPS coordinate system and with the 2D coordinate system by matching the extracted 3D image model and the estimated volumetric model of the at least one tubular organ.
Abstract:
A male coupler for a guidewire, the guidewire having a hollow walled tube, the male coupler comprising a connector section, coupled with the guidewire, a portion of the connector section having a diameter smaller than the diameter of the hollow tube, at least one conducting ring coupled with the connector section where the diameter of the connector section is smaller the diameter of the guidewire, wherein the diameter of connecter section and the at least one conducting ring substantially equals the diameter of the guidewire.
Abstract:
An apparatus includes a positioning system and a patient reference sensor (PRS). The positioning system acquires a plurality of raw PRS readings over time, which can indicate the position and orientation of the PRS. A filter is configured to process the raw PRS readings and output filtered PRS readings. The filter outputs filtered PRS readings as a baseline value while the raw PRS readings stay within a predetermined range and output filtered PRS readings as unchanged raw PRS readings when the raw PRS readings reach or vary outside of the predetermined range. A motion compensation function generated based on at least the filtered PRS readings can be used to correct a subject position and orientation (P&O) to compensate for the motion of the moving region of interest over time.
Abstract:
A method for emulating prerecorded images may comprise acquiring at least one organ timing signal reading representing an activity state of an organ with at least one organ timing signal detector, acquiring a plurality of images with a medical imaging system, associating each of the plurality of images with an organ timing signal reading, removing any of the organ timing signal readings and associated images that are not representative of a normal organ configuration, and outputting a sequence of the representative images for a display.
Abstract:
System for registering a first image with a second image, the system including a first medical positioning system for detecting a first position and orientation of the body of a patient, a second medical positioning system for detecting a second position and orientation of the body, and a registering module coupled with a second imager and with the second medical positioning system, the first medical positioning system being associated with and coupled with a first imager, the first imager acquiring the first image from the body, the first imager producing the first image by associating the first image with the first position and orientation, the second medical positioning system being associated with and coupled with the second imager, the second imager acquiring the second image and associating the second image with the second position and orientation, the registering module registering the first image with the second image, according to the first position and orientation and the second position and orientation.
Abstract:
Apparatus for generating an organ timing signal relating to an inspected organ within the body of a patient, including a medical positioning system, and a processor coupled with the medical positioning system, the medical positioning system including at least one reference electromagnetic transducer placed at a reference location, at least one inner electromagnetic transducer attached to a surgical tool inserted in a blood vessel in the vicinity of the inspected organ, and a medical positioning system processor coupled with the reference electromagnetic transducer and the inner electromagnetic transducer, the medical positioning system processor determining the three-dimensional position of the inner electromagnetic transducer, by processing transmitted electromagnetic signals transmitted from one of the reference electromagnetic transducer and the inner electromagnetic transducer with detected electromagnetic signals detected by the other of the reference electromagnetic transducer and the inner electromagnetic transducer, the medical positioning system processor further generating medical positioning system data sets, each of the medical positioning system data sets including a collection of three-dimensional position coordinate readings demonstrating the motion trajectory of the surgical tool over time, the processor generating the organ timing signal from the medical positioning system data sets by detecting and identifying periodic motion frequencies in the medical positioning system data sets, and filtering the periodic motion frequencies from the medical positioning system data sets.
Abstract:
Apparatus for generating an organ timing signal relating to an inspected organ within the body of a patient, including a medical positioning system, and a processor coupled with the medical positioning system, the medical positioning system including at least one reference electromagnetic transducer placed at a reference location, at least one inner electromagnetic transducer attached to a surgical tool inserted in a blood vessel in the vicinity of the inspected organ, and a medical positioning system processor coupled with the reference electromagnetic transducer and the inner electromagnetic transducer, the medical positioning system processor determining the three-dimensional position of the inner electromagnetic transducer, by processing transmitted electromagnetic signals transmitted from one of the reference electromagnetic transducer and the inner electromagnetic transducer with detected electromagnetic signals detected by the other of the reference electromagnetic transducer and the inner electromagnetic transducer, the medical positioning system processor further generating medical positioning system data sets, each of the medical positioning system data sets including a collection of three-dimensional position coordinate readings demonstrating the motion trajectory of the surgical tool over time, the processor generating the organ timing signal from the medical positioning system data sets by detecting and identifying periodic motion frequencies in the medical positioning system data sets, and filtering the periodic motion frequencies from the medical positioning system data sets.