Patent application number | Description | Published |
20080262473 | Locating a Catheter Tip Using a Tracked Guide - A method of determining a position of a second object which travels along a first object. The method comprising determining a position for a first object; determining a linear displacement of a second object relative to the first object; and ascertaining a position of said second object based upon said relative linear displacement and said position of said first object. | 10-23-2008 |
20090127459 | Localization of a Radioactive Source - An angle-responsive sensor, comprising:
| 05-21-2009 |
20090131734 | Implantable medical marker and methods of preparation thereof - An implantable medical marker, the marker comprising a marker body adapted for insertion via a needle and adapted to define a volume with a smallest dimension larger than an inner diameter of the needle; and a radiation source—characterized by gamma emissions sufficient to exit the human body. | 05-21-2009 |
20100042041 | IMPLANTATION DEVICE FOR SOFT TISSUE MARKERS AND OTHER IMPLANTS - A device for inserting into body tissue an implant with a medical function, with a channel passing at least partly through the implant, the device comprising:
| 02-18-2010 |
20100063384 | LOCAL INTRA-BODY DELIVERY SYSTEM - A system for delivery of a capsule to a target location within a subject body including a capsule including a locomotion element and a gamma emitting radioactive source, a radiation tracking subsystem capable of locating the gamma emitting radioactive source in three dimensions, and a locomotion control subsystem capable of controlling movement of the capsule by effecting movement of the locomotion element, based, at least partly, on a location of the gamma emitting radioactive source provided by the radiation tracking subsystem. A method of measuring a velocity of flow of a fluid at a target location within a subject body including inserting a capsule including a locomotion element and a gamma emitting radioactive source into the body, using a radiation tracking subsystem to locate the gamma emitting radioactive source in three dimensions, moving the capsule to the target location within the body using a locomotion control subsystem which controls movement of the capsule by effecting movement of the locomotion element, based, at least partly, on location of the gamma emitting radioactive source provided by the radiation tracking subsystem, and measuring the velocity of flow of the fluid at the target location. Related apparatus and methods are also described. | 03-11-2010 |
20110006212 | DETECTING PHOTONS IN THE PRESENCE OF A PULSED RADIATION BEAM - A detector system adapted for monitoring a radiation treatment system comprising a pulsed beam radiation source for treating a body with a given beam intensity and beam configuration, with pulse times and intervals between pulses less than 100 milliseconds, using at least one monitoring radiation source located inside or outside the body, the detector system comprising; a) a detector designed to detect radiation from the monitoring source, and subject to interference radiation from the beam source; and b) control circuitry that creates a data record of radiation received by the detector, to provide information about the body; wherein, when the detector detects radiation in real time during operation of the beam, the data record selectively excludes data for radiation received by the detector during the pulses, as opposed to data for radiation received by the detector between pulses. | 01-13-2011 |
20110046478 | LOCALIZATION OF A RADIOACTIVE SOURCE WITHIN A BODY OF A SUBJECT - A computerized system for locating a device including a sensor module and a processor. A radioactive source, associated with the device, produces a signal in the form of radioactive disintegrations. The sensor module includes a radiation detector capable of receiving a signal from the source attached to the device. The sensor module produces an output signal. The processor receives output signal(s) and translates output into information relating to a position of source. | 02-24-2011 |
20110062344 | LOCALIZATION OF A RADIOACTIVE SOURCE WITHIN A BODY OF A SUBJECT - A computerized system for locating a device including a sensor module and a processor. A radioactive source, associated with the device, produces a signal in the form of radioactive disintegrations. The sensor module includes a radiation detector capable of receiving a signal from the source attached to the device. The sensor module produces an output signal. The processor receives output signal(s) and translates output into information relating to a position of source. | 03-17-2011 |
20110105895 | GUIDED SURGERY - System and methods for image guided surgery is provided. The surgical tracking system can include at least one sensor configured to acquire a marker signal associated with a first location of a marker within a body and to output a first signal indicative of the first location, and also further configured to acquire a device signal associated with a second location of a movable imaging device and to output a second signal indicative of the second location. The movable imaging device can be configured to generate a plurality of sequential images. The surgical tracking system can further include at least one processor configured to receive the first signal, the second signal, and the plurality of sequential images, and to generate a plurality of composite images where at least one of the plurality of composite images include a visual indication of the first location on at least one of the plurality of sequential images. | 05-05-2011 |
20110105897 | HYBRID MEDICAL DEVICE LOCALIZATION SYSTEM - A hybrid radioactive and impedance tracking system for tracking a target in a human or animal body, comprising: a) a radioactive tracking subsystem for tracking the target; b) an impedance tracking subsystem for tracking the target; and c) a processor that uses data from the radioactive tracking subsystem in combination with data from the impedance tracking system to estimate a position of the target. | 05-05-2011 |
20110198510 | LOCALIZATION OF A RADIOACTIVE SOURCE - An angle-responsive sensor, comprising: a radiation detector adapted to detect ionizing radiation; at least one collimator arranged to block radiation from reaching the detector in a manner dependent on a relative orientation of a radiation source, the detector and the collimator, the detector and the collimator defining an aim for the sensor; and circuitry coupled to the detector and which generates an output signal which varies as a function of the relative orientation, wherein the detector and the collimator are arranged to have a working volume of at least 10 cm in depth and having an angular width, such that the slope of the signal as a function of angle varies by less than a factor of 2 over the working volume. | 08-18-2011 |
20120323114 | LOCALIZATION OF A RADIOACTIVE SOURCE WITHIN A BODY OF A SUBJECT - A system and method is provided for guiding the navigation of intravascular medical tools. The system can include a display device operable to store information relating to a 3-dimensional model of a portion of vasculature of a body in a region of the body and operable to store information relating to a 3-dimensional position of a tool, where the tool is located within the portion of the vasculature of the body. In addition, the display device can be operable to display a graphical representation of the 3-dimensional model and a graphical representation of the tool visually integrated with the graphical representation of the 3-dimensional model. Furthermore, the display device can be operable to update at least the graphical representation of the tool based at least in part upon updated information relating to the 3-dimensional position of the tool. | 12-20-2012 |
20120323117 | Implantable Medical Marker and Methods of Preparation Thereof - An implantable medical marker, the marker comprising a marker body adapted for insertion via a needle and adapted to define a volume with a smallest dimension larger than an inner diameter of the needle; and a radiation source—characterized by gamma emissions sufficient to exit the human body. | 12-20-2012 |
20120323255 | LOCALIZATION OF A RADIOACTIVE SOURCE WITHIN A BODY OF A SUBJECT - A system and method is provided for automatic navigation of medical tools. The system can include a tracking system operable to provide information relating to the position of at least a portion of a tool which is inside a body, and an automated navigation system operable to apply forces upon a portion of the tool. The automated navigation system can include a computer operable to store a 3-dimensional route. Furthermore, the automated navigation system can be operable to use the information relating to the position of at least the portion of the tool from the tracking system to apply calculated forces upon the tool, the calculated forces being associated with movement of the tool along the 3-dimensional route. | 12-20-2012 |
20130013280 | LOCALIZATION OF A RADIOACTIVE SOURCE WITHIN A BODY OF A SUBJECT - A system and method is provided for determining a route to a target. The system can include a display device, where the display device can be operable to display a graphical representation of a 3 dimensional model of a portion of a vasculature of a body. Further, the display device can be operable to allow a user to select a target location on the 3 dimensional model. Further still, the display device can be operable to automatically determine an intravascular route to the target location using the 3-dimensional model, or it can be operable to allow the user to manually determine an intravascular route to the target location using the graphical representation of the 3-dimensional model. | 01-10-2013 |
20140305530 | EXPANDING MEDICAL DEVICE FORMED OF SLOTTED METAL TUBE - A slotted metal tube includes a wall with multiple slots cut through it wherein the slots and the bands between the slots are configured such that when an axial compression force is applied to the ends of the tube the bands expand outwards and form an overlapping flower petal pattern as the ends of the tube come closer together. | 10-16-2014 |
20140371786 | EXPANDABLE MEDICAL ANCHOR DEVICE FORMED OF CUT METAL TUBE - A radially expandable anchor device formed of a cut metal tube is described. The tubular wall of the cut metal tube has a plurality of slits thereon, which together form a plurality of bands. The plurality of slits is configured to allow the plurality of bands to splay outward in the form of overlapping petals when an axial compressive force is applied to the cut metal tube. The cut metal tube may have a combination of radial and non-radial cuts. The non-radial cuts allow the adjacent sections of the tubular wall on opposing sides of the cut to overlap each other when they are pressed together by an axial compressive force, thus facilitating the radial expansion of the cut metal tube. | 12-18-2014 |
20150032093 | THERMAL TISSUE CLOSURE DEVICE WITH TEMPERATURE FEEDBACK CONTROL - A device and a method for shrinkage of tissue containing collagen is described. The device comprises a heating tip, a support shaft, and a control system. The heating tip comprises a heating element and a temperature sensor therein. The control system is configured to receive a temperature feedback from the temperature sensor and to regulate energy delivered to the heating element based on the temperature feedback. Heating of the tissue region causes shrinkage of collagen-containing tissue, thereby closing any perforation or opening in the tissue region. | 01-29-2015 |
20150066008 | DEVICE FOR AUTOMATIC ANCHOR UNDEPLOYMENT AND RETRACTION - A tissue closure device and a treatment method for closing an opening in a tissue wall are described. The tissue closure device comprises a heating element and a removable anchor having an anchor shaft and an occluding element at or near a distal end of the anchor shaft. The occluding element of the anchor is configured to be expanded and collapsed. The treatment method comprises introducing the occluding element of the anchor into a body canal through an opening in a tissue wall of the body canal, and deploying the anchor such that the occluding element expands to temporarily occlude the opening in the tissue wall. The tissue region surrounding the opening is then heated to cause shrinkage of collagen-containing tissue, thereby contracting the opening in the tissue wall. When a predefined trigger associated with the treatment method is met, the anchor is automatically undeployed and retracted from the body canal. | 03-05-2015 |