Patents by Inventor Baowei Xu
Baowei Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240109885Abstract: The present invention relates to a 2,3-dihydro-1H-pyrrolo[3,2-b]pyridine derivative, a preparation method therefor, and an application thereof, and in particular to an EGFR inhibitor having the structure of formula (I), a preparation method therefor, a pharmaceutical composition containing same, a use of same as an EGFR inhibitor, and a use of same in the treatment and/or prevention of cancers, tumors, or metastatic diseases at least partially related to EGFR exon 20 insertion or deletion mutations, especially a use in the treatment of hyperproliferative diseases and dysfunction in cell death induction. The definition of each substituent in formula (I) is the same as that in the description.Type: ApplicationFiled: December 1, 2021Publication date: April 4, 2024Inventors: Baowei Zhao, Mingming Zhang, Hongping Yu, Zhui Chen, Yaochang Xu
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Publication number: 20230366449Abstract: The present application relates to one-motor-duel-drive synchronous drive device. The drive device includes: a housing, wherein the housing is hollow, a telescopic mechanism is connected to the housing, the telescopic mechanism includes a screw rod, and one end of the screw rod extends into the housing; a transmission mechanism, wherein the transmission mechanism comprises a first transmission component rotatably connected to an inner wall of the housing, a second transmission component is fixedly connected to the screw rod, and the first transmission component and the second transmission component are staggered gears engaged with each other; a linkage lever provided between the housings, wherein two ends of the linkage lever are connected to the first transmission component, respectively; and a drive mechanism configured to act on the linkage lever to rotate the linkage lever.Type: ApplicationFiled: July 27, 2023Publication date: November 16, 2023Inventors: Zuochao LV, Long LI, Chunqi CHEN, Baowei XU, Yiting YE, Bin SHEN
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Patent number: 11522377Abstract: The present invention provides a cup holder. The cup holder includes a cup holder body having a receiving part and a charging assembly. The charging assembly includes a wireless charging module. The wireless charging module is mounted on the cup holder body and configured to charge a smart electronic device. The cup holder can charge the smart electronic devices, thereby improving user experience.Type: GrantFiled: May 9, 2020Date of Patent: December 6, 2022Assignee: DEWERTOKIN TECHNOLOGY GROUP CO., LTDInventors: Zhenjie Zhu, Baowei Xu, Long Li
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Patent number: 11311255Abstract: Medical detectors and medical imaging devices are provided. In one aspect, a medical detector includes: a photoelectric conversion device, a first crystal array layer disposed over the photoelectric conversion device, and a second crystal array layer disposed over the first crystal layer. The first crystal array layer includes a plurality of first scintillation crystals arranged in a first crystal array, and a first coupling medium being filled between every adjacent two of the first scintillation crystals. The second crystal array layer includes a plurality of second scintillation crystals arranged in a second crystal array, and a second coupling medium being filled between every adjacent two of the second scintillation crystals. A light transmittance of the second coupling medium is different from a light transmittance of the first coupling medium.Type: GrantFiled: July 17, 2020Date of Patent: April 26, 2022Assignee: Shanghai Neusoft Medical Technology Co., Ltd.Inventors: Xi Wang, Xinying Li, Jian Zhao, Baowei Xu, Guodong Liang
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Patent number: 11150364Abstract: A crystal array, a detector, a medical detection device and a method for manufacturing a crystal array are provided. The crystal array includes a plurality of crystals arranged in an array, each of the crystals having a light incident surface, a light exit surface, and a connection surface connecting the light incident surface to the light exit surface, where the connection surface of at least one of two adjacent crystals includes a rough surface and a smooth surface connected to the rough surface, and the rough surface and the smooth surface are arranged along a length direction of the crystal.Type: GrantFiled: April 27, 2020Date of Patent: October 19, 2021Assignee: Shanghai Neusoft Medical Technology Co., Ltd.Inventors: Xinying Li, Xi Wang, Jian Zhao, Baowei Xu, Guodong Liang
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Publication number: 20210028635Abstract: The present invention provides a cup holder. The cup holder includes a cup holder body having a receiving part and a charging assembly. The charging assembly includes a wireless charging module. The wireless charging module is mounted on the cup holder body and configured to charge a smart electronic device. The cup holder can charge the smart electronic devices, thereby improving user experience.Type: ApplicationFiled: May 9, 2020Publication date: January 28, 2021Inventors: ZHENJIE ZHU, BAOWEI XU, LONG LI
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Publication number: 20210015436Abstract: Medical detectors and medical imaging devices are provided. In one aspect, a medical detector includes: a photoelectric conversion device, a first crystal array layer disposed over the photoelectric conversion device, and a second crystal array layer disposed over the first crystal layer. The first crystal array layer includes a plurality of first scintillation crystals arranged in a first crystal array, and a first coupling medium being filled between every adjacent two of the first scintillation crystals. The second crystal array layer includes a plurality of second scintillation crystals arranged in a second crystal array, and a second coupling medium being filled between every adjacent two of the second scintillation crystals. A light transmittance of the second coupling medium is different from a light transmittance of the first coupling medium.Type: ApplicationFiled: July 17, 2020Publication date: January 21, 2021Inventors: Xi WANG, Xinying LI, Jian ZHAO, Baowei XU, Guodong LIANG
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Publication number: 20200341158Abstract: A crystal array, a detector, a medical detection device and a method for manufacturing a crystal array are provided. The crystal array includes a plurality of crystals arranged in an array, each of the crystals having a light incident surface, a light exit surface, and a connection surface connecting the light incident surface to the light exit surface, where the connection surface of at least one of two adjacent crystals includes a rough surface and a smooth surface connected to the rough surface, and the rough surface and the smooth surface are arranged along a length direction of the crystal.Type: ApplicationFiled: April 27, 2020Publication date: October 29, 2020Applicant: Shanghai Neusoft Medical Technology Co., Ltd.Inventors: Xinying LI, Xi WANG, Jian ZHAO, Baowei XU, Guodong LIANG
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Patent number: 10755452Abstract: A method of calibrating time in a Positron Emission Tomography (PET) device includes obtaining original time information and energy information of a first pulse signal collected by a detecting module during a scanning process of the PET device. A detector of the PET device includes a plurality of detecting modules. The original time information of the first pulse signal includes a moment at which an amplitude of the first pulse signal begins to be greater than a threshold. The method includes determining a pulse time calibration amount corresponding to the energy information of the first pulse signal according to stored information indicative of a correspondence between the pulse time calibration amount and the energy information of each detecting module. The method includes generating calibrated time information of the first pulse signal by calibrating the original time information with the pulse time calibration amount; and reconstructing a PET image based on the generated calibrated time information.Type: GrantFiled: June 26, 2018Date of Patent: August 25, 2020Assignee: Shanghai Neusoft Medical Technology Co., Ltd.Inventors: Xi Wang, Jian Zhao, Guocheng Wu, Baowei Xu, Guodong Liang
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Publication number: 20190012812Abstract: A method of calibrating time in a Positron Emission Tomography (PET) device includes obtaining original time information and energy information of a first pulse signal collected by a detecting module during a scanning process of the PET device. A detector of the PET device includes a plurality of detecting modules. The original time information of the first pulse signal includes a moment at which an amplitude of the first pulse signal begins to be greater than a threshold. The method includes determining a pulse time calibration amount corresponding to the energy information of the first pulse signal according to stored information indicative of a correspondence between the pulse time calibration amount and the energy information of each detecting module. The method includes generating calibrated time information of the first pulse signal by calibrating the original time information with the pulse time calibration amount; and reconstructing a PET image based on the generated calibrated time information.Type: ApplicationFiled: June 26, 2018Publication date: January 10, 2019Inventors: Xi WANG, Jian ZHAO, Guocheng WU, Baowei XU, Guodong LIANG
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Publication number: 20180372890Abstract: A method of calibrating time in a Positron Emission Computed Tomography (PET) device includes determining a rising edge slope of an electrical signal corresponding to a photon which is detected by a detector of the PET device when the PET device is used to scan a part of a subject to be examined. The method includes determining a time shift corresponding to the rising edge slope based on a correspondence between the rising edge slope and the time shift; calibrating time information of the photon based on the time shift; and reconstructing a PET image of the part of the subject to be examined based on the calibrated time information of the photon.Type: ApplicationFiled: June 26, 2018Publication date: December 27, 2018Inventors: Jian ZHAO, Guocheng WU, Xi WANG, Baowei XU, Guodong LIANG, Nan LI
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Patent number: 10162068Abstract: A method of calibrating time in a Positron Emission Computed Tomography (PET) device includes determining a rising edge slope of an electrical signal corresponding to a photon which is detected by a detector of the PET device when the PET device is used to scan a part of a subject to be examined. The method includes determining a time shift corresponding to the rising edge slope based on a correspondence between the rising edge slope and the time shift; calibrating time information of the photon based on the time shift; and reconstructing a PET image of the part of the subject to be examined based on the calibrated time information of the photon.Type: GrantFiled: June 26, 2018Date of Patent: December 25, 2018Assignee: Shenyang Neusoft Medical Systems Co., Ltd.Inventors: Jian Zhao, Guocheng Wu, Xi Wang, Baowei Xu, Guodong Liang, Nan Li
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Patent number: 10126444Abstract: Methods and devices for calibrating a gain of a scintillator detector are disclosed, where a scintillation crystal of the scintillator detector includes two or more energy regions. In an example, the scintillation crystal of the scintillator detector is adopted as a radiation source for calibrating. Electric signals outputted from a rear end of the scintillator detector are collected, and actual counts of the electric signals from each of at least two energy regions of the scintillation crystal at a specified position are obtained, respectively. Then, a gain of the scintillator detector may be adjusted according to the obtained actual counts of the electric signals from the at least two energy regions.Type: GrantFiled: September 12, 2016Date of Patent: November 13, 2018Assignee: Shenyang Neusoft Medical Systems Co., Ltd.Inventors: Jian Zhao, Nan Li, Guocheng Wu, Baowei Xu, Changqing Fu, Guodong Liang, Donghui Han
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Patent number: 10006808Abstract: A method of adjusting a gain of a detector is provided in the present disclosure. According to an example, whether a gain of a photomultiplier tube in the detector meets a gain determination condition may be determined, where the gain determination condition may indicate that an absolute of a difference between the gain of the photomultiplier tube and a target gain is within a predetermined numerical range. When the gain of the photomultiplier tube does not meet the gain determination condition, a voltage of the photomultiplier tube may be adjusted, such that the gain of the photomultiplier tube meets the gain determination condition.Type: GrantFiled: October 25, 2016Date of Patent: June 26, 2018Assignee: Shenyang Neusoft Medical Systems Co., Ltd.Inventors: Jian Zhao, Nan Li, Guocheng Wu, Baowei Xu, Changqing Fu, Guodong Liang
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Publication number: 20170167915Abstract: A method of adjusting a gain of a detector is provided in the present disclosure. According to an example, whether a gain of a photomultiplier tube in the detector meets a gain determination condition may be determined, where the gain determination condition may indicate that an absolute of a difference between the gain of the photomultiplier tube and a target gain is within a predetermined numerical range. When the gain of the photomultiplier tube does not meet the gain determination condition, a voltage of the photomultiplier tube may be adjusted, such that the gain of the photomultiplier tube meets the gain determination condition.Type: ApplicationFiled: October 25, 2016Publication date: June 15, 2017Inventors: Jian Zhao, Nan Li, Guocheng Wu, Baowei Xu, Changqing Fu, Guodong Liang
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Publication number: 20170090051Abstract: Methods and devices for calibrating a gain of a scintillator detector are disclosed, where a scintillation crystal of the scintillator detector includes two or more energy regions. In an example, the scintillation crystal of the scintillator detector is adopted as a radiation source for calibrating. Electric signals outputted from a rear end of the scintillator detector are collected, and actual counts of the electric signals from each of at least two energy regions of the scintillation crystal at a specified position are obtained, respectively. Then, a gain of the scintillator detector may be adjusted according to the obtained actual counts of the electric signals from the at least two energy regions.Type: ApplicationFiled: September 12, 2016Publication date: March 30, 2017Inventors: Jian ZHAO, Nan LI, Guocheng WU, Baowei XU, Changqing FU, Guodong LIANG, Donghui HAN
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Patent number: 7941203Abstract: A multimodality imaging system, comprising: a first imaging system for forming a first image; a second imaging system for forming a second image; and a rotating device on which the first imaging system and the second imaging system are fixed so that the first imaging system and the second imaging system are selectively rotated to a scanning position.Type: GrantFiled: September 21, 2007Date of Patent: May 10, 2011Assignee: Neusolft Positron Medical Systems Co., Ltd.Inventors: Quanlu Zheng, Tie Gao, Jiadi Li, Kai Liu, Qingze Yu, Baowei Xu, Haitao Mu, Qizhi Zhang, Xinghua Zhao
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Publication number: 20080081985Abstract: A multimodality imaging system, comprising: a first imaging system for forming a first image; a second imaging system for forming a second image; and a rotating device on which the first imaging system and the second imaging system are fixed so that the first imaging system and the second imaging system are selectively rotated to a scanning position.Type: ApplicationFiled: September 21, 2007Publication date: April 3, 2008Applicant: Neusoft Positron Medical SystemsInventors: Quanlu Zheng, Tie Gao, Jiadi Li, Kai Liu, Qingze Yu, Baowei Xu, Haitao Mu, Qizhi Zhang, Xinghua Zhao