Patents by Inventor Xiaohong Zhou

Xiaohong Zhou 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).

  • Patent number: 11607550
    Abstract: A medical device is configured to sense a cardiac electrical signal and determine from the cardiac electrical signal at least one of a maximum peak amplitude of a positive slope of the cardiac electrical signal and a maximum peak time interval from a pacing pulse to the maximum peak amplitude. The device is configured to determine a capture type of the pacing pulse based on at least one or both of the maximum peak amplitude and the maximum peak time interval.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: March 21, 2023
    Assignee: Medtronic, Inc.
    Inventors: Jian Cao, Wade M. Demmer, Maureen E. Lybarger, Elizabeth A. Mattson, Todd J. Sheldon, Zhongping Yang, Xiaohong Zhou
  • Publication number: 20230060821
    Abstract: In some examples, a method comprises sensing one or more left-ventricular activations via one or more electrodes of a left-ventricular lead, wherein each of the one or more left-ventricular activations are in response to delivery of an electrical stimulation to a heart of a patient; determining one or more left-ventricular activation metrics based on the sensed one or more left-ventricular activations; and determining whether the electrical stimulation provided conduction system pacing based on the one or more ventricular activation metrics.
    Type: Application
    Filed: July 1, 2022
    Publication date: March 2, 2023
    Inventor: Xiaohong Zhou
  • Publication number: 20230069697
    Abstract: Methods for forming a 3D memory device are provided. A method includes the following operations. A stack structure is formed in a staircase region and an array region. A dielectric material layer is formed over the array region and the staircase region. An etch mask layer is coated over the dielectric material layer. The etch mask layer, on a first surface away from the dielectric material layer, is planarized. The dielectric material layer and a remaining portion of the etch mask layer are etched to form a dielectric layer over the staircase region and the array region.
    Type: Application
    Filed: October 11, 2021
    Publication date: March 2, 2023
    Inventors: Yonggang Yang, Xiaohong Zhou
  • Publication number: 20230068131
    Abstract: A medical device system determines first values associated with a first plurality of patient parameters associated with arrhythmic substrate and/or physiological triggers for acute cardiac events based on a first one or more of the physiological signals generated during the period and determines, based on the first values associated with the first plurality of patient parameters, whether to assess alterations in cardiac cellular electrophysiology and/or mechanical alterations of the patient. The system may, in response to determining to assess the alterations in cardiac cellular electrophysiology, determine second values associated with a second plurality of patient parameters relating to cardiac electrophysiology based on a second one or more of the physiological signals generated during the period and determine whether to generate an alert indicating that an acute cardiac event of the patient is predicted based at least in part on the second values associated with the second plurality of patient parameters.
    Type: Application
    Filed: July 19, 2022
    Publication date: March 2, 2023
    Inventor: Xiaohong Zhou
  • Publication number: 20230051753
    Abstract: A solar cell superfine electrode transfer thin film is described. The electrode transfer thin film sequentially includes from bottom to top a substrate, a release layer, a resin layer and a hot melt adhesive layer; the resin layer is formed with electrode trenches therein; the electrode trenches are formed with electrodes therein; superfine conductive electrodes are continuously prepared on a transparent thin film via a roll-to-roll nanoimprinting method, the width of an electrode wire being 2 ?m-50 ?m, and the width of a typical line being 10 ?m-30 ?m. Directly attach the superfine electrodes of the hot melt adhesive layer to a solar cell by peeling off the substrate material, and sintering at a high temperature to volatilize the hot melt adhesive layer material while retaining the electrodes, thus the electrodes are integrally transferred, without poor local transfer.
    Type: Application
    Filed: October 18, 2022
    Publication date: February 16, 2023
    Inventors: Xiaohong Zhou, Zongbao Fang, Linsen Chen, Pengfei Zhu, Donglin Pu, Ximei Yin, Yunlong Zhao
  • Publication number: 20230043705
    Abstract: The present disclosure discloses a copper-niobium alloy for a medical biopsy puncture needle. A needle core and/or needle tube of the puncture needle are/is made of the copper-niobium alloy. The copper-chromium alloy includes the following components by mass: 5?Nb?15 and the balance of Cu. According to the present disclosure, a copper alloy with designed components is obtained by combining a diamagnetic material Cu with paramagnetic Nb, and compared with existing medical stainless steel and titanium alloy, the copper alloy has greatly reduced magnetic susceptibility, and specifically, the artifact area and volume are also significantly reduced. In addition, the blank of use of the copper alloy in medical biopsy paracentesis is filled.
    Type: Application
    Filed: July 8, 2022
    Publication date: February 9, 2023
    Applicant: University of Shanghai for Science and Technology
    Inventors: Xiaohong CHEN, Xiaofei LIANG, Honglei ZHOU, Jian ZHAO, Ping LIU, Shaoli FU
  • Publication number: 20230040731
    Abstract: The present disclosure discloses use of a copper-chromium alloy in a medical biopsy puncture needle. The copper-chromium alloy used as a material for a needle core and/or needle tube of the puncture needle. The copper-chromium alloy includes the following components by mass: 10?Cr?20, 0.04?Zr?0.1, and the balance of Cu. According to the present disclosure, a copper alloy with designed components is obtained by combining a diamagnetic material Cu with paramagnetic Cr and Zr, and compared with existing medical stainless steel and titanium alloy, the copper alloy has greatly reduced magnetic susceptibility, and specifically, the artifact area and volume are also significantly reduced. In addition, the blank of use of the copper alloy in medical biopsy paracentesis is filled.
    Type: Application
    Filed: July 7, 2022
    Publication date: February 9, 2023
    Applicant: Shanghai Ruizhikang Medical Technology Co., Ltd.
    Inventors: Xiaohong CHEN, Honglei ZHOU, Shaoli FU, Fengcang MA, Guosen SHAO, Haochen WU
  • Publication number: 20230005769
    Abstract: The present disclosure relates to an in-situ temperature control platform, including an independent sample holder, a sample holder fixing cartridge, a customized sample stage and an anode contact pin. The independent sample holder includes a sample loading spot and a sample holder grip. The sample holder fixing cartridge includes a fixing cartridge body, the fixing cartridge body is provided with a sample holder slot, the bottom surface of the sample holder slot is provided with a heating element slot, and the sample holder slot is aligned with the sample loading spot. The bottom surface of the heating element slot is provided with a heating element fixing pinhole. The customized sample stage includes a sample stage body, the sample stage body is provided with a heating element support, and the heating element support is provided with a heating element.
    Type: Application
    Filed: July 5, 2021
    Publication date: January 5, 2023
    Applicant: SHANGHAITECH UNIVERSITY
    Inventors: YONG YANG, XIAOHONG ZHOU, EVGENY VOVK, JIAFENG ZHAO
  • Publication number: 20220406612
    Abstract: Methods for polishing dielectric layers using an auto-stop slurry in forming semiconductor devices, such as three-dimensional (3D) memory devices, are provided. The methods include forming a stack structure in a staircase region and a core array region, the stack structure including a staircase structure in the staircase region; forming a dielectric layer over the staircase region and a peripheral region outside the stack structure; and polishing the dielectric layer using an auto-stop slurry containing a ceria-based abrasive.
    Type: Application
    Filed: August 23, 2022
    Publication date: December 22, 2022
    Inventor: Xiaohong Zhou
  • Publication number: 20220397263
    Abstract: An LED panel light includes a flexible base film, a plurality of circuits arranged on the flexible base film and a plurality of LED lamp beads arranged on the flexible base film, each circuit is connected with at least one LED lamp bead and is provided with at least two mutually parallel conductive wires. The conductive wire consists of a plurality of secondary conductive wires, and a plurality of the secondary conductive wires form a mesh. A method of making a LED panel light includes the following specific steps: S1: providing a flexible base film; S2: manufacturing a plurality of mesh-type conductive wires on the flexible base film by using a mould with circuit patterns of LED panel light; conductive wires forming a circuit, and a plurality of the circuits forming an LED panel light circuit; S3: connecting LED lamp beads with the conductive wires in the circuits.
    Type: Application
    Filed: November 12, 2019
    Publication date: December 15, 2022
    Inventors: Liangliang JI, Linyue LIU, Xiaohong ZHOU
  • Publication number: 20220362558
    Abstract: A medical device is configured to sense at least one cardiac electrical signal and generate pacing pulses according to a first pacing therapy by generating pacing pulses for delivery to a first combination of ventricular pacing sites including at least one ventricular conduction system pacing site. The medical device may be configured to determine a ventricular conduction condition based on a QRS signal feature of the sensed cardiac signal during the first pacing therapy. The medical device may change to a second pacing therapy different than the first pacing therapy based on the determined ventricular conduction condition.
    Type: Application
    Filed: May 3, 2022
    Publication date: November 17, 2022
    Inventors: Xiaohong ZHOU, Wade M. DEMMER, Robert W. STADLER
  • Publication number: 20220361954
    Abstract: Novel tools and techniques are provided for implementing intelligent assistance (“IA”) or extended intelligence (“EI”) ecosystem to placement procedures for cardiac implantable electronic device (“CIED”). In various embodiments, a computing system might analyze received one or more first layer input data (i.e., room content-based data) and received one or more second layer input data (i.e., patient and/or tool-based data), and might generate one or more recommendations for guiding a medical professional in performing a CIED placement procedure in a heart of the patient, based at least in part on the analysis, the generated one or more recommendations comprising 3D or 4D mapped guides toward, in, and around the heart of the patient. The computing system might then generate one or more XR images, based at least in part on the generated one or more recommendations, and might present the generated one or more XR images using a UX device.
    Type: Application
    Filed: March 22, 2022
    Publication date: November 17, 2022
    Inventors: Peter N. Braido, Randal C. Schulhauser, Xiaohong Zhou, Alan Cheng, Zhongping Yang
  • Patent number: 11476373
    Abstract: Provided are a solar cell superfine electrode transfer thin film, manufacturing method and application method thereof. The electrode transfer thin film sequentially includes from bottom to top a substrate, a release layer, a resin layer and a hot melt adhesive layer; the resin layer is formed with electrode trenches therein; the electrode trenches are formed with electrodes therein; superfine conductive electrodes are continuously prepared on a transparent thin film via a roll-to-roll nanoimprinting method, the width of an electrode wire being 2 ?m-50 ?m, and the width of a typical line being 10 ?m-30 ?m. Directly attach the superfine electrodes of the hot melt adhesive layer to a solar cell by peeling off the substrate material, and sintering at a high temperature to volatilize the hot melt adhesive layer material while retaining the electrodes, thus the electrodes are integrally transferred, without poor local transfer.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: October 18, 2022
    Assignee: SVG OPTRONICS CO., LTD.
    Inventors: Xiaohong Zhou, Zongbao Fang, Linsen Chen, Pengfei Zhu, Donglin Pu, Ximei Yin, Yunlong Zhao
  • Patent number: 11462415
    Abstract: Methods for polishing dielectric layers using an auto-stop slurry in forming semiconductor devices, such as three-dimensional (3D) memory devices, are provided. For example, a stack structure is formed in a staircase region and a core array region. The stack structure includes a plurality of interleaved first material layers and second material layers. Edges of the interleaved first material layers and second material layers define a staircase structure on a side of the stack structure in the staircase region. A dielectric layer is formed over the staircase region and a peripheral region outside the stack structure. The dielectric layer includes a protrusion from the stack structure. The dielectric layer is polished using an auto-stop slurry to remove the protrusion of the dielectric layer.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: October 4, 2022
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventor: Xiaohong Zhou
  • Publication number: 20220273236
    Abstract: In some examples, processing circuitry of a medical device system determines, for each of a plurality of patient parameters, a difference metric for a current period based on a value of a patient parameter determined for the current period and a value of the patient parameter determined for an immediately preceding period, and determines a score for the current period based on a sum of the difference metrics for at least some of the plurality of patient parameters. The processing circuitry determines a threshold for the current period based on scores determined for N periods that precede the current period, compares the score for the current period to the threshold, and determines whether to generate an alert indicating that an acute cardiac event of the patient, e.g., ventricular tachyarrhythmia, is predicted, and/or deliver a therapy configured to prevent the acute cardiac event, based on the comparison.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Inventor: Xiaohong Zhou
  • Publication number: 20220274117
    Abstract: The present invention discloses an ultra-rapid PCR detection system, which comprises a temperature control device, a transmission device and a reaction tube fixing device; the temperature control device at least comprises two temperature control modules, wherein at least one of the temperature control modules is a high-temperature module and at least one of the temperature control modules is a low-temperature module; a heating temperature of the high-temperature module is a first preset temperature, and a heating temperature of the low-temperature module is a second preset temperature; the transmission device is in cooperation with the temperature control device and the reaction tube fixing device, so that a reaction tube on the reaction tube fixing device is switched between the high-temperature module and the low-temperature module; the device has a compact structure and the temperature setting of the high-temperature module and the low-temperature module can promote the rising and falling rate of the tempe
    Type: Application
    Filed: August 13, 2020
    Publication date: September 1, 2022
    Inventors: Rong ZHOU, Wenkuan LIU, Xiao LI, Xianhua WANG, Hui XU, Zhichao ZHOU, Wenjuan GAO, Lei LI, Xiaohong LIAO
  • Publication number: 20220267508
    Abstract: A two-component polyurethane composition comprising: a specific emulsion polymer, and a water-dispersible polyisocyanate; the emulsion polymer comprising, by weight based on the weight of the emulsion polymer, (a) greater than 15% to less than 30% of structural units of tert-butyl methacrylate, (b) greater than 10% of structural units of a hydroxy-functional alkyl (meth)acrylate, (c) structural units of a phosphorous-containing acid monomer and/or a salt thereof, (d) structural units of an additional acid monomer and/or a salt thereof, and (e) structural units of an additional monoethylenically unsaturated nonionic monomer; wherein the weight ratio of (d)/(c) is in the range of from 7.1:1 to 9.9:1; and a process of preparing the two-component polyurethane composition.
    Type: Application
    Filed: August 15, 2019
    Publication date: August 25, 2022
    Inventors: Xiaohong Yang, Fengzhe Shi, Jinfei Wang, Juan Zhao, Li Zhou
  • Publication number: 20220199416
    Abstract: Methods for polishing dielectric layers using an auto-stop slurry in forming semiconductor devices, such as three-dimensional (3D) memory devices, are provided. For example, a stack structure is formed in a staircase region and a core array region. The stack structure includes a plurality of interleaved first material layers and second material layers. Edges of the interleaved first material layers and second material layers define a staircase structure on a side of the stack structure in the staircase region. A dielectric layer is formed over the staircase region and a peripheral region outside the stack structure. The dielectric layer includes a protrusion from the stack structure. The dielectric layer is polished using an auto-stop slurry to remove the protrusion of the dielectric layer.
    Type: Application
    Filed: January 29, 2021
    Publication date: June 23, 2022
    Inventor: Xiaohong Zhou
  • Patent number: 11311734
    Abstract: The present disclosure relates generally to pacing of cardiac tissue, and more particularly to adjusting delivery of His bundle or bundle branch pacing in a cardiac pacing system to achieve synchronized ventricular activation. A leadless pacing device (LPD) may include a plurality of electrodes comprising a bundle pacing electrode leadlessly connected to the housing, which may be implanted proximate to or in the His bundle or bundle branch of the patient's heart. An electrical pulse generator may generate and deliver electrical His-bundle or bundle-branch stimulation pulses using the bundle pacing electrode based on sensing one or both of an atrial event and a ventricular event. The LPD may receive communication from another implantable device, such as a subcutaneously implanted device, and deliver His-bundle or bundle-branch pacing in response to the communication.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: April 26, 2022
    Assignee: Medtronic, Inc.
    Inventor: Xiaohong Zhou
  • Publication number: 20220088395
    Abstract: An adapter configured to electrically connect a test device to an implantable medical lead comprises a rotational electrical coupling. The rotational electrical coupling is configured to electrically connect a lead electrical connector to an adapter electrical connector. The rotational electrical coupling comprises a first conductive component configured to be electrically connected to the lead electrical connector and rotatable with a proximal portion of the implantable medical lead, and a second conductive component electrically connected to the first conductive component and the adapter electrical connector. The second conductive component may be rotationally fixed. The first and second conductive components may comprise graphite or another soft metal.
    Type: Application
    Filed: June 15, 2021
    Publication date: March 24, 2022
    Inventors: Zhongping Yang, Thomas A. Anderson, Wade M. Demmer, Xiaohong Zhou