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公开(公告)号：US20200249293A1
公开(公告)日：2020-08-06
申请号：US16747134
申请日：2020-01-20
发明人： John Saunders , Gordon A. Klimenko , Darrell Van Mol , Gong Zhang
摘要： Apparatus for imaging during surgical procedures includes an operating room for the surgical procedure and an MRI for obtaining images periodically through the surgical procedure by moving the magnet up to the table. The magnet wire is formed of a superconducting material such as magnesium di-boride or Niobium-Titanium which is cooled by a vacuum cryocooling system to superconductivity without use of liquid helium. The magnet weighs less than 1 to 2 tonne and has a floor area in the range 15 to 35 sq feet so that it can be carried on the floor by a support system having an air cushion covering the base area of the magnet having side skirts so as to spread the weight over the entire base area. The magnet remains in the room during surgery and is powered off to turn off the magnetic field when in the second position remote from the table.
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公开(公告)号：US20200249289A1
公开(公告)日：2020-08-06
申请号：US16747144
申请日：2020-01-20
发明人： Gong Zhang , Haoqin Zhu , Gordon A. Klimenko , Darrell Van Mol , John Saunders
摘要： Apparatus for imaging during surgical procedures includes an operating room for the surgical procedure and an MRI for obtaining images periodically through the surgical procedure by moving the magnet up to the table. The magnet wire is formed of a superconducting material such as magnesium di-boride or Niobium-Titanium which is cooled by a vacuum cryocooling system to superconductivity without use of liquid helium. The magnet weighs less than 1 to 2 tonne and has a floor area in the range 15 to 35 sq feet so that it can be carried on the floor by a support system having an air cushion covering the base area of the magnet having side skirts so as to spread the weight over the entire base area. The magnet remains in the room during surgery and is powered off to turn off the magnetic field when in the second position remote from the table.
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公开(公告)号：US20230371840A1
公开(公告)日：2023-11-23
申请号：US18246294
申请日：2020-09-27
发明人： Haoqin Zhu , Jin Su , Gong Zhang
CPC分类号： A61B5/055 , A61B6/4452
摘要： Provided is an MR/PET integrated imaging plug-in device that may be inserted into an MM system without requiring modifications to the MRI system, including: a to-be-detected object holder at the magnetic field generated by the magnetic field generation structure, and configured to carry the to-be-detected object; a PET detection component configured to detect a PET image signal from the to-be-detected object; a magnetic resonance receiving coil configured to generate a magnetic resonance image of the to-be-detected object a signal amplification component. The PET detection component is movable relative to the to-be-detected object holder to align or leave the to-be-detected object. The MR/PET integrated imaging plug-in device combines PET and MRI medical imaging modes into one device, so that people may use PET to obtain high-sensitivity images of in vivo molecular processes, and use MRI to obtain high-quality anatomical information, while overcoming the limitation of high cost of whole-body synchronous PET/MRI.
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公开(公告)号：US11369453B2
公开(公告)日：2022-06-28
申请号：US16747134
申请日：2020-01-20
发明人： Gong Zhang , John Saunders , Gordon A. Klimenko , Darrell Van Mol
IPC分类号： G01R33/38 , A61B90/00 , G01R33/385 , A61B5/055 , G01R33/3815 , A61B5/00 , G01R33/28 , G01R33/30 , G01R33/34 , A61B34/20 , A61B34/37 , A61B5/06 , G01R33/24 , A61B90/11 , A61B90/14 , A61N1/05 , G01R33/36
摘要： Apparatus for imaging during surgical procedures includes an operating room for the surgical procedure and an MRI for obtaining images periodically through the surgical procedure by moving the magnet up to the table. The magnet wire is formed of a superconducting material such as magnesium di-boride or Niobium-Titanium which is cooled by a vacuum cryocooling system to superconductivity without use of liquid helium. The magnet weighs less than 1 to 2 tonne and has a floor area in the range 15 to 35 sq feet so that it can be carried on the floor by a support system having an air cushion covering the base area of the magnet having side skirts so as to spread the weight over the entire base area. The magnet remains in the room during surgery and is powered off to turn off the magnetic field when in the second position remote from the table.
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公开(公告)号：US20200249290A1
公开(公告)日：2020-08-06
申请号：US16747150
申请日：2020-01-20
发明人： Gordon A. Klimenko , Darrell Van Mol , John Saunders , Gong Zhang
摘要： Apparatus for imaging during surgical procedures includes an operating room for the surgical procedure and an MRI for obtaining images periodically through the surgical procedure by moving the magnet up to the table. The magnet wire is formed of a superconducting material such as magnesium di-boride or Niobium-Titanium which is cooled by a vacuum cryocooling system to superconductivity without use of liquid helium. The magnet weighs less than 1 to 2 tonne and has a floor area in the range 15 to 35 sq feet so that it can be carried on the floor by a support system having an air cushion covering the base area of the magnet having side skirts so as to spread the weight over the entire base area. The magnet remains in the room during surgery and is powered off to turn off the magnetic field when in the second position remote from the table.
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公开(公告)号：US20200246106A1
公开(公告)日：2020-08-06
申请号：US16747136
申请日：2020-01-20
发明人： Gong Zhang , John Saunders , Gordon A. Klimenko , Darrell Van Mol
IPC分类号： A61B90/00 , G01R33/38 , G01R33/385 , G01R33/3815 , A61B5/055
摘要： Apparatus for imaging during surgical procedures includes an operating room for the surgical procedure and an MRI for obtaining images periodically through the surgical procedure by moving the magnet up to the table. The magnet wire is formed of a superconducting material such as magnesium di-boride or Niobium-Titanium which is cooled by a vacuum cryocooling system to superconductivity without use of liquid helium. The magnet weighs less than 1 to 2 tonne and has a floor area in the range 15 to 35 sq feet so that it can be carried on the floor by a support system having an air cushion covering the base area of the magnet having side skirts so as to spread the weight over the entire base area. The magnet remains in the room during surgery and is powered off to turn off the magnetic field when in the second position remote from the table.
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公开(公告)号：US20200246095A1
公开(公告)日：2020-08-06
申请号：US16747146
申请日：2020-01-20
摘要： Apparatus for imaging during surgical procedures includes an operating room for the surgical procedure and an MRI for obtaining images periodically through the surgical procedure by moving the magnet up to the table. The magnet wire is formed of a superconducting material such as magnesium di-boride or Niobium-Titanium which is cooled by a vacuum cryocooling system to superconductivity without use of liquid helium. The magnet weighs less than 1 to 2 tonne and has a floor area in the range 15 to 35 sq feet so that it can be carried on the floor by a support system having an air cushion covering the base area of the magnet having side skirts so as to spread the weight over the entire base area. The magnet remains in the room during surgery and is powered off to turn off the magnetic field when in the second position remote from the table.
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8.发明公开公开(公告)号：US20240268772A1
公开(公告)日：2024-08-15
申请号：US18568389
申请日：2021-06-08
发明人： Jin Su , Gong Zhang , Huabin Wang
CPC分类号： A61B6/037 , A61B6/4208 , A61B6/583
摘要： Provided is a normalization correction method for a PET system a detector including crystals. The method includes: obtaining a coincidence event dataset including a plurality of lines of response; calculating a geometric symmetry value of each line of response; grouping the plurality of lines of response according to the geometric symmetry value, where a plurality of lines of response in a group have a same geometric symmetry value; calculating a number of coincidence events of a same group through accumulation; cyclically calculating, according to the calculated number of the coincidence events for the same group, a geometric factor value of each group, where each line of response in the same group of lines of response has a same geometric factor value; cyclically calculating crystal efficiency factor values of the crystals; and calculating normalization factor values of the lines of response respectively, according to the geometric factor value and the crystal efficiency factor values.
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公开(公告)号：US11653996B2
公开(公告)日：2023-05-23
申请号：US16747144
申请日：2020-01-20
发明人： Gong Zhang , Haoqin Zhu , Gordon A. Klimenko , Darrell Van Mol , John Saunders
IPC分类号： A61B90/00 , G01R33/38 , G01R33/385 , A61B5/055 , G01R33/3815 , A61B5/00 , G01R33/28 , G01R33/30 , G01R33/34 , A61B34/20 , A61B5/06 , G01R33/24 , A61B90/14 , G01R33/36 , A61B34/37 , A61B90/11 , A61N1/05
CPC分类号： A61B90/36 , A61B5/0042 , A61B5/0046 , A61B5/055 , A61B5/062 , A61B5/702 , A61B34/20 , A61B34/37 , A61B90/11 , A61B90/14 , A61B90/37 , A61N1/0534 , G01R33/246 , G01R33/283 , G01R33/307 , G01R33/34007 , G01R33/34084 , G01R33/3614 , G01R33/3802 , G01R33/3804 , G01R33/3815 , G01R33/3856 , A61B2090/374 , A61B2503/04 , A61B2505/05 , A61B2560/0437 , A61B2560/0443 , A61B2562/164 , A61B2562/182 , G01R33/3403
摘要： Apparatus for imaging during surgical procedures includes an operating room for the surgical procedure and an MRI for obtaining images periodically through the surgical procedure by moving the magnet up to the table. The magnet wire is formed of a superconducting material such as magnesium di-boride or Niobium-Titanium which is cooled by a vacuum cryocooling system to superconductivity without use of liquid helium. The magnet weighs less than 1 to 2 tonne and has a floor area in the range 15 to 35 sq feet so that it can be carried on the floor by a support system having an air cushion covering the base area of the magnet having side skirts so as to spread the weight over the entire base area. The magnet remains in the room during surgery and is powered off to turn off the magnetic field when in the second position remote from the table.
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公开(公告)号：US20230120676A1
公开(公告)日：2023-04-20
申请号：US18073923
申请日：2022-12-02
发明人： Gong Zhang , Haoqin Zhu , Gordon A. Klimenko , Darrell Van Mol , John Saunders
IPC分类号： A61B90/00 , G01R33/38 , G01R33/385 , A61B5/055 , G01R33/3815 , A61B5/00 , G01R33/28 , G01R33/30 , G01R33/34 , A61B34/20 , A61B34/37 , A61B5/06 , G01R33/24 , A61B90/11 , A61B90/14 , A61N1/05 , G01R33/36
摘要： An upper coil assembly for use with a lower RF coil assembly mounted to provide an RF probe arranged to be engaged with a head of a patient in MRI includes a plurality of coil loops arranged in a row defining a phase shift coil array with each coil loop including an independent output conductor for communicating signals to a respective preamplifier for independent amplification and each coil loop including a plurality of capacitors at spaced positions therearound. To decouple the loops each coil loop partly overlaps a next coil loop with a first decoupling capacitor shared on a common portion of each coil loop and each next coil loop. The first and third coil loops are also decoupled by using third decoupling capacitor in a connecting conductor between the first and third coil loops.
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