Patents Assigned to Elgems Ltd.
-
Publication number: 20040178348Abstract: A gamma camera comprising:Type: ApplicationFiled: March 25, 2004Publication date: September 16, 2004Applicant: Elgems Ltd.Inventors: Naor Wainer, Yaron Hefetz, Aharon Amrami, Amir Pansky
-
Patent number: 6754519Abstract: A multimodality imaging system including a plurality of imaging systems, and at least one rail upon which at least one of the imaging systems is slidingly mounted.Type: GrantFiled: November 24, 2000Date of Patent: June 22, 2004Assignee: Elgems Ltd.Inventors: Yaron Hefetz, Benny Hajaj, Hernan Altman, Sergio Steinfeld
-
Patent number: 6740885Abstract: A multilayer pixelated detector comprising a plurality of strip array detectors each said strip array detector including a rectangular semiconductor crystal having first and second relatively large parallel planar face surfaces having edges and a thickness; a cathode electrode covering substantially all of said first face surface; and an anode electrode comprising a plurality of anode strip pixels, wherein an anode strip pixel comprises a rectangular electrode having a length and a width. A long dimension of each of said anode strip pixels is parallel to a same edge of said second face surface, the pixelated detectors have contiguous face surfaces and wherein edges of contiguous face surfaces are aligned and wherein anode strip pixels of all pixelated detectors are parallel and electrodes on contiguous surfaces of pixelated detectors are identical and overlap substantially completely.Type: GrantFiled: June 19, 2003Date of Patent: May 25, 2004Assignee: Elgems Ltd.Inventors: Naor Wainer, Yaron Hefetz, Aharon Amrami, Amir Pansky
-
Patent number: 6723988Abstract: A radiation camera system, comprising: a freely positionable radiation camera; a spatial coordinate determining system that determines the coordinates of the camera; and a receiver which receives the spatial coordinate information and imaging information, generated by the camera and provides imaging information referenced to a coordinate system not fixed in the camera.Type: GrantFiled: April 22, 2003Date of Patent: April 20, 2004Assignee: Elgems Ltd.Inventor: Naor Wainer
-
Publication number: 20040065828Abstract: A radiation camera system, comprising:Type: ApplicationFiled: April 22, 2003Publication date: April 8, 2004Applicant: ELGEMS LTD.Inventor: Naor Wainer
-
Patent number: 6696686Abstract: A system, for the nuclear imaging of the breast, comprising: at least one gamma camera, of a size appropriate for the scanning of a breast, having a radiation detecting surface, which detects gamma radiation and provides data signals responsive to radiation from the breast; a collimator, positioned over the reception surface; a gantry on which the radiation detector is mounted and which provides rotational movement of the radiation detection surface around the axis of the breast; and a computer which receives and analyzes the data signals and constructs an image of radiation sources therefrom.Type: GrantFiled: June 5, 2000Date of Patent: February 24, 2004Assignee: Elgems Ltd.Inventors: Naor Wainer, Yaron Hefetz
-
Publication number: 20040026624Abstract: A multilayer pixelated detector comprising a plurality of strip array detectors each said strip array detector including a rectangular semiconductor crystal having first and second relatively large parallel planar face surfaces having edges and a thickness; a cathode electrode covering substantially all of said first face surface; and an anode electrode comprising a plurality of anode strip pixels, wherein an anode strip pixel comprises a rectangular electrode having a length and a width. A long dimension of each of said anode strip pixels is parallel to a same edge of said second face surface, the pixelated detectors have contiguous face surfaces and wherein edges of contiguous face surfaces are aligned and wherein anode strip pixels of all pixelated detectors are parallel and electrodes on contiguous surfaces of pixelated detectors are identical and overlap substantially completely.Type: ApplicationFiled: June 19, 2003Publication date: February 12, 2004Applicant: Elgems Ltd.Inventors: Naor Wainer, Yaron Hefetz, Aharon Amrami, Amir Pansky
-
Patent number: 6642523Abstract: A nuclear imaging system comprising: first and second radiation detectors, each comprising an imaging surface facing each other and each having an extent; an radiation source, situated outside a space defined by a largest parallelepiped formed on two sides by said first and second detectors, which irradiates the second detector; and an axis about which the first and second detectors and the radiation source rotate together; wherein the field of view of the radiation source, defined by lines connecting the external source and the edges of the second detector, encompass the axis of rotation.Type: GrantFiled: June 6, 2000Date of Patent: November 4, 2003Assignee: Elgems Ltd.Inventor: Naor Wainer
-
Publication number: 20030197127Abstract: A system, for the nuclear imaging of the breast, comprising:Type: ApplicationFiled: April 30, 2003Publication date: October 23, 2003Applicant: ELGEMS LTD.Inventors: Naor Wainer, Yaron Hefetz
-
Patent number: 6621084Abstract: A pixelated detector for detecting photons is provided comprising: a semiconductor crystal; a cathode electrode on a first surface of the crystal; an anode comprising a plurality of anode pixel electrodes on a second surface of the crystal; and a signal generator that receives signals from at least one electrode of the electrodes. When a photon is incident on the detector the signal generator generates a timing signal responsive to signals induced on the at least one electrode by electrons and holes produced by the incident photon and the at least one electrode has a size larger than the size of a single anode pixel electrode.Type: GrantFiled: June 22, 2001Date of Patent: September 16, 2003Assignee: Elgems Ltd.Inventors: Naor Wainer, Yaron Hefetz, Aharon Amrami, Amir Pansky
-
Publication number: 20030147500Abstract: A radiation source comprising:Type: ApplicationFiled: February 11, 2003Publication date: August 7, 2003Applicant: ELGEMS LTD.Inventor: Naor Wainer
-
Patent number: 6587710Abstract: A radiation camera system, comprising; a radiation imager having a field of view and having a first radiation sensitivity; and a radiation detector having a sensitivity greater than that of the imager and facing in a same direction as a field of view of the camera.Type: GrantFiled: August 23, 1999Date of Patent: July 1, 2003Assignee: Elgems Ltd.Inventor: Naor Wainer
-
Patent number: 6576907Abstract: A gamma camera system that increases the count rate by counting events that time-wise appear to be pile-up events but are spatially separated.Type: GrantFiled: June 1, 2000Date of Patent: June 10, 2003Assignee: Elgems Ltd.Inventors: Ytzhak Klein, Alexander Fishler
-
Patent number: 6369391Abstract: A scintillator, having two faces, for use in medical diagnostic imaging devices, said devices including a plurality of light sensors for converting light generated in said scintillators to electrical signals, processors for converting the electrical signals to images and a monitor for displaying the images, said scintillator including a two dimensional distribution of intrinsic light controllers, said controllers changing the light distribution among the sensors to achieve a desired distribution wherein the light controllers focus the light such that the spread of light to detectors is reduced.Type: GrantFiled: September 12, 2000Date of Patent: April 9, 2002Assignee: Elgems Ltd.Inventors: Yaron Hefetz, Naor Wainer, Amir Pansky
-
Patent number: 6271524Abstract: A gamma ray collimator assembly comprising a first portion and a second collimator portion, the first and second portions having different gamma ray acceptance angles.Type: GrantFiled: August 5, 1998Date of Patent: August 7, 2001Assignee: Elgems, Ltd.Inventors: Naor Wainer, Gideon Berlad, Yaron Hefetz, Dov Maor, Israel Ohana, Natan Hermony
-
Patent number: 6140650Abstract: A method of calibrating a PET (Positron Emission Tomograph) scanner includes:acquisition of data from a plurality of coincidence radiation events, using at least one detector; anddetermination of values for a set with at least one calibration factor, which factor affects an analytically defined calibration criterion. Preferably, the detector has at least one rotating planar detector and the acquisition of data includes acquiring data from a plurality of rotational positions of the detector.Type: GrantFiled: January 26, 1998Date of Patent: October 31, 2000Assignee: Elgems Ltd.Inventor: Gideon Berlad