| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 600417000 | With stereotactic device | 44 |
| 20080306375 | MRI-GUIDED MEDICAL INTERVENTIONAL SYSTEMS AND METHODS - An MRI-guided interventional system includes a frame with a cooperating targeting cannula. The frame is configured to be secured to the body of a patient, and is configured to translate and rotate such that the targeting cannula can be positioned to a desired intrabody trajectory. The frame may include one or more MRI-visible fiducial markers that allow frame location/orientation to be determined within an MRI image. A plurality of user-activatable actuators are configured to translate and rotate the frame relative to the body of a patient so as to position the targeting cannula to a desired intrabody trajectory. The targeting cannula includes an axially-extending guide bore therethrough that is configured to guide placement of an interventional device in vivo. Various instrumentation and equipment, such as stimulation leads, ablation catheters, injection catheters, etc., can be inserted through the targeting cannula to execute diagnostic and/or surgical procedures. | 12-11-2008 |
| 20090131783 | METHODS, SYSTEMS AND COMPUTER PROGRAM PRODUCTS FOR POSITIONING A GUIDANCE APPARATUS RELATIVE TO A PATIENT - A method for positioning a guide device for placement of an interventional object in a body, the guide device having a guide axis, includes: determining a target point in the body and a reference point, wherein the target point and the reference point define a planned trajectory line (PTL) extending through each; determining a visualization plane, wherein the PTL intersects the visualization plane at a sighting point; mounting the guide device relative to the body to move with respect to the PTL, wherein the guide device does not intersect the visualization plane; determining a point of intersection (GPP) between the guide axis and the visualization plane; and aligning the GPP with the sighting point in the visualization plane. | 05-21-2009 |
| 20090306496 | AUTOMATIC SEGMENTATION OF ARTICULAR CARTILAGE FROM MRI - A method for musculoskeletal tissue segmentation used in magnetic resonance imaging (MRI) is provided. MRI image data is collected using at least two different contrast mechanisms. Voxel values from data from each contrast mechanism are used as elements of a feature vector. The feature vector is compared with classification boundaries to classify musculoskeletal tissue type of the voxel. The previous two steps are repeated for a plurality of voxels. An image is generated from the classified musculoskeletal tissue types for the plurality of voxels to provide a musculoskeletal segmentation image. | 12-10-2009 |
| 20100198052 | MRI-COMPATIBLE ARTICULATING ARMS AND RELATED SYSTEMS AND METHODS - The disclosure describes articulating arms that are supported directly or indirectly by MRI scanner beds for use during MRI-guided procedures. | 08-05-2010 |
| 20120123245 | Multi Transmit/Receive Head Array Coil with Removable Panels - A modular multi-transmit head coil for use in Deep Brain Stimulation procedures includes a mounting frame arranged for attachment to the stereotactic head frame of the patient. An integrated MR stereotactic locating phantom is included as part of the coil structure which has attached MR/CT compatible fiducials on it to correlate pre-op, intra-op and post op images. The frame carries a series of modular removable coil elements in a transceive array that are connected to a set of RF power amplifiers that directly drive the coil elements. A control system including suitable software is arranged to control the signals to the coil elements so as to generate a required RF field with all the coil elements in place and with one or more the coil elements removed to allow access to the patent for the installation of the DBS leads. | 05-17-2012 |
| 20120296198 | ENDOSCOPIC IMAGING DEVICE - An endoscopic imaging device for endoscopy in a body vessel is disclosed. The device comprises an annular illumination tube comprising an annular illumination fiber for illuminating a body vessel during endoscopy. The device further includes a first imaging tube comprising a first imaging fiber for gross examination and navigation through the body vessel. The first imaging fiber is disposed within the annular illumination tube. The device further comprises a second imaging tube comprising a second imaging fiber for cellular imaging. The second illumination fiber is disposed adjacent the first imaging tube and within the annular illumination tube. | 11-22-2012 |
| 20130066191 | CONTROL MODULE INTERFACE FOR MRI BIOPSY DEVICE - A biopsy system includes a biopsy device, a control module, a control module interface, at least one wireless data communication link, and an encoder. The biopsy device is operable to capture a tissue sample and includes a reusable portion and a disposable portion. The reusable portion includes an MR compatible motor. The disposable portion is adapted to be releasably joined with the reusable portion. The control module interface is configured to provide an interface between the control module and the reusable portion of the biopsy device. The at least one wireless data communication link includes a first data link configured to permit communication of data between the reusable portion of the biopsy device and the control module interface. The encoder is operationally coupled with the MR compatible motor. | 03-14-2013 |
| 20130085377 | LOCALIZATION OF A DEVICE FOR MR-GUIDED INTERVENTION - Localization of a coil is provided for magnetic resonance (MR)-guided intervention. A multi-scale decomposition and characteristic transitions in the power spectra for the coil are used to determine a distribution of likelihood of the coil being at each of various locations and/or to determine a confidence in the position determination. For example, the power spectra along each axis is used to generate a likelihood distribution of the location of the coil. The power spectra are decomposited at different scales. For each scale, the modulus maxima reflecting transitions in the power spectra are matched using various criteria. A likelihood is calculated for each of the matched candidates from characterizations of the matched candidates. The likelihood distribution is determined from a combination of the likelihoods from the various scales. | 04-04-2013 |
| 20130085378 | COMBINED FIELD LOCATION AND MRI TRACKING - A method of calibrating field location tracking to magnetic resonance tracking is provided. The method of calibration field location tracking includes moving a medical device throughout a plurality of points within a patient volume; tracking the medical device with a field location tracking system and a magnetic resonance tracking system; calculating a plurality of magnetic resonance tracking locations; determining a plurality of field location parameters that correspond to the plurality of magnetic resonance tracking locations; and creating a transfer function that maps the field location parameters to the magnetic resonance tracking locations, wherein the transfer function registers a field location coordinate system to a magnetic resonance coordinate system. | 04-04-2013 |
| 20130102883 | MRI-Guided Medical Interventional Systems and Methods - An MRI-guided interventional system includes a trajectory guide frame for guiding an interventional device with respect to a patient in an MRI-guided procedure and including a base, a platform, a targeting cannula, and a stabilizer mechanism. The platform is mounted on the base and includes a support table and a moving plate that is translatable relative to the support table and the base along a translational axis. The targeting cannula is mounted on the moving plate for movement therewith and includes an elongate guide bore defining a trajectory axis. The stabilizer mechanism is operable to selectively control movement between the support table and the moving plate to stabilize a position of the targeting cannula with respect to the base. The frame is operable to translate the moving plate along the translational axis relative to the base to position the trajectory axis. The translational axis is transverse to the trajectory axis. | 04-25-2013 |
| 20130267831 | MRI GUIDEWIRE - A guidewire ( | 10-10-2013 |
| 20130303883 | ROBOTIC GUIDED ENDOSCOPE - Systems and methods for performing robotic endoscopic surgical procedures, according to a surgical plan prepared on a preoperative set of three dimensional images. The system comprises a surgical robot whose coordinate system is related to that of fluoroscope images generated intraoperatively, by using a three dimensional target having radio-opaque markers, attached in a predetermined manner to the robot or to another element to which the robot is attached, such as the spinal bridge or an attachment clamp. The robot is mounted directly or indirectly on a bone of the patient, thereby nullifying movement of the bone, or a bone tracking system may be utilized. The coordinate system of the intraoperative fluoroscope images may be related to the preoperative images, by comparing anatomical features between both image sets. This system and method enables the endoscope to be directed by the robot along the exact planned path, as determined by the surgeon. | 11-14-2013 |
| 20130303884 | Method and System for 4D Radiological Intervention Guidance (4D-cath) - An imaging method for radiologically guiding an instrument during medical interventions on an object comprising:
| 11-14-2013 |
| 20130317347 | REAL-TIME TRACEABLE INTERVENTIONAL TOOL WITH CT / MRI - A traceable surgical tool is positioned, monitored and displayed in real-time directly with pre-scanned three dimensional CT/MRI slices of a patient. The tool positioning and inclination is obtained by real time combined ultrasound (US)/RF transmissions between at least four transmitting units (TUs) and a mobile unit (MU) attached to or included in the tool. No more than three of the TUs may be coplanar. In some embodiments, at least one TU includes two US transmitters transmitting at different frequencies. Image space coordinates of the CT/MRI scanned patient are mapped by a one-to- one transformation onto real space coordinates of the patient undergoing a surgical procedure. The mapping is aided by, in the real space environment, touching once each of at least three markers fixedly attached to the patient and pre-scanned with the patient in the image space. A high resolution location of the tool is recorded in real-time, and the tool's position is displayed together with reconstructed CT/MRI slices in real time. | 11-28-2013 |
| 20130324837 | IMPLANTABLE OR INSERTABLE MRI-DETECTABLE MEDICAL DEVICE HAVING A COATING COMPRISING PARAMAGNETIC IONS AND A PROCESS FOR PREPARING IT - The present invention concerns a medical device which can be detected by means of magnetic resonance imaging (MRI). The medical device is characterized by having mechanically stably attached a coating comprising paramagnetic ions which are directly and strongly encompassed by the coating polymers. The medical device comprises a modified envelope polymer providing chemically active free functional groups and a coating covalently bonded to the free functional groups of the envelope polymer at its surface. The coating contains statistically encompassed paramagnetic ions to render it MR visible. | 12-05-2013 |
| 20130331686 | REGISTRATION DEVICE, SYSTEM, KIT AND METHOD FOR A PATIENT REGISTRATION - A registration device ( | 12-12-2013 |
| 20140005524 | Stereotactic Therapy System | 01-02-2014 |
| 20140018665 | COMPRESSABLE CATHETER TIP WITH IMAGE-BASED FORCE SENSING - A catheter ( | 01-16-2014 |
| 20140024927 | MRI-GUIDED MEDICAL INTERVENTIONAL SYSTEMS AND METHODS - A trajectory frame for use with an MRI-guided interventional system includes a base having a patient access aperture formed therein. The base is configured to be secured to the body of a patient. A yoke is mounted to the base and is rotatable about a roll axis. A platform is mounted to the yoke and is rotatable about a pitch axis. An elongated guide is secured to the platform and includes opposite proximal and distal end portions and a bore that extends from the proximal end portion to the distal end portion. The guide distal end portion is positioned proximate the patient access aperture. The guide is configured to removably receive various devices therein for quick release therefrom, including a targeting cannula, drill guide and drill bit, skull fixation device and driver, and catheter guide. | 01-23-2014 |
| 20140039299 | METHODS AND SYSTEMS FOR TRACKING AN INTERVENTIONAL DEVICE - Embodiments of a method, a tracking system, an MRI system, and a non-transitory computer readable medium that stores instructions for simultaneous imaging and tracking are presented. A designated signal and one or more characteristics corresponding to a plurality of imaging gradient waveforms are received. Further, a tracking pulse sequence is synchronized with an imaging pulse sequence at a determined point based on the designated signal. The tracking pulse sequence is then applied simultaneously with the imaging pulse sequence for acquiring corresponding response signals from an interventional device that includes at least one tracking coil and a tracking source configured to generate response signals at a tracking resonant frequency different from an imaging resonant frequency. A location of the tracking coil within or outside body of a subject is determined based on the response signals received from the tracking source and the characteristics corresponding to the imaging gradient waveforms. | 02-06-2014 |
| 20140066750 | Trajectory Guide Frame for MRI-Guided Surgeries - An MRI-guided interventional system for use with a patient and an interventional device includes a base, a trajectory guide frame, and a mounting device. The base is configured to be secured to a body of the patient. The trajectory guide frame includes a targeting cannula. The targeting cannula has an elongate guide bore extending axially therethrough, defining a trajectory axis, and being configured to guide placement of the interventional device. The trajectory guide frame is operable to move the targeting cannula relative to the base to position the trajectory axis to a desired intrabody trajectory to guide placement of the interventional device in vivo. A plurality of patient engagement structures are provided on the base and are configured to penetrate tissue of the body and to space the base apart from the tissue. The system further includes a plurality of fasteners configured to secure the base to the body. | 03-06-2014 |
| 20140100445 | MRI COMPATIBLE HANDLE AND STEERABLE SHEATH - An MR compatible deflectable catheter and method of using the same is provided. The MR compatible deflectable catheter includes a steerable sheath having a tubular shaft. The tubular shaft receives first and second longitudinal movement wires at a distal end thereof A control handle is coupled to a proximal end of the first and second longitudinal movement wires and causes longitudinal movement of the wires. | 04-10-2014 |
| 20140155737 | CURVED MULTI-PLANAR RECONSTRUCTION USING FIBER OPTIC SHAPE DATA - A system and method include a shape sensing enabled device too ( | 06-05-2014 |
| 20140163355 | System and Method for Tracking a Position of an Interventional Medical Device Using a Magnetic Resonance Imaging System - A system and method includes a medical device configured to be inserted into a subject having an imaging coil coupled thereto and configured to be inserted into the subject during a medical procedure to provide tracking information regarding a position of the medical device. A circuit is connected to the imaging coil to switch the circuit between an energy harvesting configuration and an image data acquisition configuration. The circuit includes an energy harvesting path and an imaging data path connected to the imaging coil that are electrically distinct. An energy storage device is connected to receive power delivered along the energy harvesting path when the circuit is in the energy harvesting configuration. An amplifier is connected to receive power from the energy storage device and receive imaging data signals from the imaging coil over the imaging data path to thereby amplify the imaging data signals. | 06-12-2014 |
| 20140187914 | INTERVENTIONAL OR NON-INTERVENTIONAL INSTRUMENT FOR USE IN AN MRI APPARATUS - An interventional or a non-interventional instrument like a catheter, a surgical device, a biopsy needle, a pointer, a stent or another invasive or non-invasive device, like a position marker, or a surface or local coil like a head coil is disclosed, wherein these instruments are provided with an MR-safe RF transmission line or cable ( | 07-03-2014 |
| 20140194729 | SYSTEMS AND METHODS FOR SENSING EXTERNAL MAGNETIC FIELDS IN IMPLANTABLE MEDICAL DEVICES - Systems and methods for sensing external magnetic fields in implantable medical devices are provided. One aspect of this disclosure relates to an apparatus for sensing magnetic fields. An apparatus embodiment includes a sensing circuit with at least one inductor having a magnetic core that saturates in the presence of a magnetic field having a prescribed flux density. The apparatus embodiment also includes an impedance measuring circuit connected to the sensing circuit. The impedance measuring circuit is adapted to measure impedance of the sensing circuit and to provide a signal when the impedance changes by a prescribed amount. According to an embodiment, the sensing circuit includes a resistor-inductor-capacitor (RLC) circuit. The impedance measuring circuit includes a transthoracic impedance measurement module (TIMM), according to an embodiment. Other aspects and embodiments are provided herein. | 07-10-2014 |
| 20140249403 | SELF-ASSEMBLED, MICROPATTERNED, AND RADIO FREQUENCY (RF) SHIELDED BIOCONTAINERS AND THEIR USES FOR REMOTE SPATIALLY CONTROLLED CHEMICAL DELIVERY - The present invention relates to a nanoscale or microscale particle for encapsulation and delivery of materials or substances, including, but not limited to, cells, drugs, tissue, gels and polymers contained within the particle, with subsequent release of the therapeutic materials in situ, methods of fabricating the particle by folding a 2D precursor into the 3D particle, and the use of the particle in in-vivo or in-vitro applications. The particle can be in any polyhedral shape and its surfaces can have either no perforations or nano/microscale perforations. The particle is coated with a biocompatible metal, e g gold, or polymer e g parvlene, layer and the surfaces and hinges of the particle are made of any metal or polymer combinations. | 09-04-2014 |
| 20140275974 | Surgical Navigation Systems and Methods - Implementations described herein relate to an anatomical referencing system and associated methods for surgical navigation that include referencing shapes and features on excised target tissue back to the wound or cavity in the body from which it was removed. Such an anatomical referencing system can comprise an expandable structure operably coupled to a controller assembly. The expandable structure can have a port in communication with an interior cavity and a surface adapted for measuring having a plurality of navigation markers. The controller assembly can operate to communicate with the expandable structure through the port and can have a means for expanding the expandable structure to a selected pressure against the cavity. The expandable structure can be adapted to conform to the geometry of the cavity in which it is placed upon expansion by the controller assembly. The controller assembly can include a means for recording the dimensions of the interior cavity of the expanded structure. | 09-18-2014 |
| 20140275975 | DEVICE AND METHOD FOR SUPERIMPOSING PATTERNS ON IMAGES IN REAL TIME, PARTICULARLY FOR GUIDANCE BY LOCATION - The invention relates to a device for superimposing known patterns, characteristic of a region, on (real) images of said region. The device comprises , a memory in which patterns are stored, which are representative of a selected region, of known position and orientation with relation to a common reference and processing means, for determining a pattern representative of the selected portion in the memory, on receipt of the designation of at least one portion of an observed image of the selected region, taken at a selected angle and at least one representative attribute of said region, taking account of the attribute selected, then superimposing the determined pattern on the selected portion of the image taking account of the selected angle. | 09-18-2014 |
| 20140336501 | DIAGNOSTIC ENDOSCOPIC IMAGING SUPPORT APPARATUS AND METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM ON WHICH IS RECORDED DIAGNOSTIC ENDOSCOPIC IMAGING SUPPORT PROGRAM - A diagnostic endoscopic imaging support apparatus includes a three-dimensional image data obtaining section that obtains three-dimensional image data of a subject, a tubular tissue shape data obtaining section that extracts and obtains tubular tissue shape data representing a shape of a tubular tissue in the subject from the three-dimensional image data obtained by the three-dimensional image data obtaining section, an endoscope route data obtaining section that obtains endoscope route data representing a route of an endoscope inserted into the subject, and a matching section that performs matching between the tubular tissue shape data and the endoscope route data. | 11-13-2014 |
| 20150080708 | INTRABODY FLUID TRANSFER DEVICES, SYSTEMS AND METHODS - Devices, kits, assemblies systems and methods for transferring fluid to or from a subject include an elongate guide cannula having opposing proximal and distal ends with an open axially extending lumen. The proximal end includes a connector. The devices also include an elongate needle having opposing proximal and distal ends, the needle having a connector that is configured to attach to the guide cannula connector and is attached to or attachable to a length of flexible tubing, wherein the elongate needle is configured to be slidably inserted into the guide cannula lumen so that the distal end of the needle extends out of the distal end of the distal end of the guide cannula a suitable distance. | 03-19-2015 |
| 20150148660 | DEDICATED USER INTERFACE FOR MR-GUIDED INTERSTITIAL INTERVENTIONS - A magnetic resonance (MR) system ( | 05-28-2015 |
| 20150327949 | A BRACHYTHERAPY INSTRUMENT, AN IMAGING SYSTEM AND A METHOD OF IMAGE ACQUISITION - The invention relates to a brachytherapy instrument comprising a body, wherein the body is provided with at least one marker comprising a material suitable to be visualized using an ultrasonic and/or magnetic resonance imaging technique. The invention further relates to an image acquisition system and a method of image acquisition. | 11-19-2015 |
| 20150338477 | AN ACTIVE TRACKING SYSTEM AND METHOD FOR MRI - A composite system for use in conjunction with an MR-imaging procedure. One composite system includes a fully-metallic filament, such as a needle or guide-wire, equipped with flat MR RF-receiver microcoil disposed such that a normal to the coil's plane is substantially transverse to the filament's axis. The microcoil is electrically connected to external device to register change of position and orientation of the tip during the navigation of the filament. Alternative composite system includes a filament made from different materials. The very tip includes diamagnetic and non-metallic tube tightly fit around geometrically-modified portion of the main body and carries at least one microcoil electrically connected to external device to register change of position and orientation of the tip during the filament navigation. Data representing co-registration of the position and/or orientation of filament is fed back to the system to improve navigation accuracy and precision. | 11-26-2015 |
| 20150351860 | SYSTEMS AND METHODS FOR NAVIGATION AND SIMULATION OF MINIMALLY INVASIVE THERAPY - Disclosed herein is navigation and simulation systems and methods for minimally invasive therapy in which the navigation system imports a planning method using patient specific pre-operative images. The navigation system uses intraoperative imaging during the medical procedure to update the preoperative images and provides images of tracked surgical tools along the surgical path prepared from the preoperative images. | 12-10-2015 |
| 20150374260 | REAL-TIME GENERATION OF MRI SLICES - A method includes displaying a position of a distal end of a medical probe that is being navigated in an organ of a patient on a three-dimensional (3D) map of the organ. In response to an event, a plane of interest including the distal end is selected, a real-time Magnetic Resonance Imaging (MRI) slice of the organ is acquired at the selected plane, and the MRI slice is displayed overlaid on the 3D map. | 12-31-2015 |
| 20160008575 | SLIDABLE VALVE ADAPTOR FOR STEERABLE SHEATH | 01-14-2016 |
| 20160022171 | IMAGE GUIDING DEVICE FOR BRAIN SURGERY - An image guiding device for a brain surgery is provided. A computation processing unit receives a non-invasive basic brain image obtained prior to a surgery and plans brain surgical route data. An operating tube enters a brain according to the brain surgical route data. An image capturing module in the operating tube feeds back actual conditions of the brain in real-time. The computation processing unit performs real-time route correction to allow an operating probe to perform operations when the operating tube arrives at a target site. Thus, using the non-real-time non-invasive basic brain image collaborating with a real-time image capturing module, the computation processing unit performs route correction, thereby significantly reducing surgery risks and equipment costs. | 01-28-2016 |
| 20160033589 | RF COIL AND MAGNETIC RESONANCE IMAGING APPARATUS - An RF coil includes a puncture needle insertion assembly in which a plurality of holes into which a puncture needle is inserted are formed within a surface of the puncture needle insertion assembly. In the puncture needle insertion assembly, conductors of a plurality of elements of a coil that are being insulated from one another are laid to meander on a frame between the holes. | 02-04-2016 |
| 20160058974 | STEERABLE SHEATH INCLUDING ELASTOMERIC MEMBER - An MR compatible steerable sheath with elastomeric member is provided. The elastomeric member is configured to serve as a reservoir and receive contrast media therewithin. The elastomeric member is positioned on the distal end of the steerable sheath and may circumferentially surround the sheath shaft or be offset from a longitudinal axis thereof. In operation, the contrast media allows a user to view the distal tip of the steerable sheath by virtue of the contrast media contained within the elastomeric member. | 03-03-2016 |
| 20160074119 | DEVICES AND SYSTEMS FOR MRI-GUIDED PROCEDURES - Devices and systems can be configured to guide an instrument to a target region. The guide system may include an imaging guide including a first segment, the first segment including a guide region and imaging coils surrounding the guide region; and a platform. The platform may include a first rail, a second rail disposed parallel to the first rail, and a positioning member disposed between the first rail and the second rail. The positioning member may include a positioning frame having an entry region. The positioning frame may be movably disposed with respect to the first and second rails in a first direction and a second direction that is perpendicular to the first direction. The platform may be disposed with respect to the imaging guide so that a position of the entry region is within the guide region. | 03-17-2016 |
| 20160091577 | SELF-EXPANDING MULTI-CHANNEL RF RECEIVER COIL FOR HIGH RESOLUTION INTRA-CARDIAC MRI AND METHOD OF USE - A system and method of use for a probe is disclosed that includes a self-expanding housing constructed to permit fluid flow therethrough and constructed for insertion into a subject to be imaged. A plurality of RF coils is attached to the housing to acquire MR data. | 03-31-2016 |
| 20160128720 | HOLDING ARRANGEMENT FOR A SURGICAL ACCESS SYSTEM - A holding arrangement for a surgical access assembly is disclosed. One holding arrangement includes a holder member and a support member configured to engage with the holder member. The support member supports an outer sheath of a surgical assembly. The support member is compatible with a magnetic resonance imaging device. Another holding arrangement includes a holder member configured to hold a medical or diagnostic device such as a catheter. | 05-12-2016 |
| 20160161575 | COMBINED FIELD LOCATION AND MRI TRACKING - A composite tracking system for a medical device comprises a field location tracking system including at least one field location sensor structured to be coupled to a medical device, a magnetic resonance tracking system including at least one tracking coil structured to be coupled to a medical device, and a composite tracking processor operably coupled to the field location tracking system and the magnetic resonance tracking system. The composite tracking processor is operable to receive and process field location parameters from the field location tracking system and positional coordinates from the magnetic resonance tracking system to register a field location coordinate system to a magnetic resonance coordinate system. | 06-09-2016 |
