Other

Boe Technology Group Co., Ltd.

The First Medical Center of People's Liberation Army General Hospital

Huawei Technologies Co., Limited

Hefei Boe Optoelectronics Technology Co., Ltd.

Beijing Didi Infinity Technology and Development Co., Ltd.

Beihang University

The First Medical Center of Pla General Hospital

The Fourth Medical Center of Pla General Hospital

The General Hospital of the People's Liberation Army

Beijing Zoezen Robot Co., Ltd

Beijing Aurasky Electronics Co., Ltd.

Tang, Peifu

Wang, Tianmiao

Hu, Lei

Lei Hu

Lihai Zhang

Hailong Du

Hui Zhao

Wenjing Tan

Peifu Tang

Tianmiao Wang

Fan Yang

Libin Liu

Feng Zhang

Qi Wang

Yangkun Jing

Pei Li

Lifeng Wang

Zhenyu Li

Hantao Li

Chuan Liu

Bin Shi

Xiao Li

Changhua Mou

Lu Zhao

Di Zhao

Yonghong Zhang

Shuwei Zhang

Ye Peng

Sixu Li

Gongzi Zhang

Bowen Deng

Ying Hu

Tie Wang

Chen Sui

Zhaoxing Li

Qingli Yang

Zhen Peng

Changsheng Li

Yiming Tan

Xiao Long Li

Liang Guan Lin

Ting Guo

Wen Zhao

Provided is pressure sensor, including top cover assembly, upper seat, movable membrane; each of top and bottom of upper seat is provided with opening, top cover assembly seals opening at top of upper seat, movable membrane seals opening at bottom of upper seat; top cover assembly, upper seat, movable membrane form pressure reference chamber, and pressure sensor detects gas pressure on side of movable membrane away from top cover assembly based on state of movable membrane; at least one gas guide passage is formed at top cover assembly, and is configured to connect pressure reference chamber to outside; top cover assembly includes at least one blocking member configured to seal gas guide passage; and blocking member seals gas guide passage after being heated to temperature higher than preset melting temperature to be at least partially melted and being cooled to solidify. Manufacturing method for pressure sensor is further provided.

Pressure sensor with manufacturing efficiency and structure stability

Provided are a grasping instrument, tracking and navigation system, method and display apparatus for bone structure reduction, and a storage medium. The grasping instrument includes a straight strip-shaped support rod, and a grasping end and a signal end that are arranged at two ends of the support rod; a plurality of grating sensors extending in an axial direction are arranged on the support rod; the signal end is provided with an instrument pose feedback sensor for feeding back pose information of the grasping instrument; and the plurality of grating sensors are configured to detect deformation data of the support rod under an action of resistance at the grasping end. The tracking and navigation system includes an electromagnetic signal transceiving apparatus, the grasping instrument, an ultrasonic detection apparatus, and a navigation display apparatus.

Grasping instrument, tracking and navigation system, method and display apparatus, and storage medium

An intelligent puncture path planning method, a device, an equipment and a medium in a PVP operation. The method includes: intercepting a local CT image of a vertebral body from an image; identifying midpoint of the narrowest part of vertebral pedicle and a theoretical puncture injection stop-point from the local CT image through trained neural network model; calculating distance from the stop-point to the middle plane in front-back direction of the vertebral body, distance from the stop-point to the middle plane in left-right direction of the vertebral body and the closest distance from the stop-point to the cortical bone surface, taking the minimum value of distances as radius of a space sphere area with the stop-point as sphere center; taking a line connecting midpoint of the narrowest part of any vertebral pedicle and any point in the space sphere area as an optional puncture path of the vertebral pedicle.

Intelligent planning method, device, equipment and medium for puncture path in PVP surgery

A bone strength simulation calculation method and device, and a storage medium. The bone strength simulation calculation method includes acquiring three-dimensional data of cancellous bone of a bone segment to be analyzed; obtaining a skeleton mechanical model according to the three-dimensional data; and performing feature analysis on the skeleton mechanical model to obtain skeleton strength data.

Bone strength simulation calculation method and device, and storage medium

An active-passive parallel-connected reduction robot includes: an active manipulator, provided with an active output end having multiple degrees of freedom; a synchronized motion platform, a fracture reduction needle being fixedly mounted on the synchronized motion platform, the active output end of the active manipulator being connected to the synchronized motion platform; and a passive manipulator, one end thereof being fixedly provided, the other end being provided with a passive output end having multiple degrees of freedom, and the passive output end being slidably mounted on the synchronized motion platform. The passive manipulator is capable of maintaining a locked degree of freedom when the active manipulator drives the synchronized motion platform to insert the fracture reduction needle into a fractured end requiring reduction. The active manipulator drives the synchronized motion platform to execute a reduction operation with the support of the passive manipulator.

Active-passive parallel-connected reduction robot

A multi-position conversion device and a conversion socket with the multi-position conversion device; the first pin, the second pin, the first connecting sheet and the second connecting sheet are installed together onto the main frame to modularize and integrate the conversion device; therefore, only one main frame is needed to complete the installation of the first pin, the second pin, the first connecting sheet and the second connecting sheet, and this can effectively decrease the volume of the multi-position conversion device and thus decrease the volume and weight of the whole conversion socket, prevent the conversion socket from sagging due to gravity and thus increase the corresponding user experience and safety; meanwhile, after being modularized, the multi-position conversion device is installed directly into the housing and thus can decrease the assembling steps, reduce the assembling difficulty and finally improve the assembling efficiency.

Multi-position conversion device and a conversion socket with the multi-position conversion device

A data transmission method and apparatus using a clear channel assessment (CCA) detection threshold are disclosed. The method includes: obtaining, by a base station, at least one CCA detection threshold; determining a current CCA detection threshold from the at least one CCA detection threshold; determining transmit power of to-be-sent data based on the current CCA detection threshold; and sending the to-be-sent data to a target terminal based on the transmit power.

Data transmission method and apparatus using a clear channel assessment (CCA) detection threshold

The present disclosure is related to systems and methods for determining an optimal strategy. The method includes classify one or more users into a first user group and a second user group using an optimization model, wherein the first user group and the second user group correspond to two strategies, respectively. The method also includes obtain behavior data from terminals of the one or more users in the first user group and the second user group. The method further includes determine a first value of a parameter regarding the first user group and a second value of the parameter regarding the second user group using the optimization model. The method further includes determine a strategy based on the first value and the second value.

Systems and methods for determining an optimal strategy

The present invention provides a photo alignment device, a photo alignment method and an alignment film preparation system. The photo alignment device comprises a photo alignment unit, a temperature acquisition unit and a control unit, the photo alignment unit used to perform preheating, curing and photo alignment on a film-to-be-aligned layer; the temperature acquisition unit used to perform real-time acquisition on temperatures of the film-to-be-aligned layer during the preheating, curing, and photo alignment in synchronization with the photo alignment unit, and feed the acquired temperatures back to the control unit; and the control unit used to determine whether the fed back temperatures are within preset ranges of temperature, and adjust position, power and/or speed of the photo alignment unit based on the determination result, to cause the temperatures of the film-to-be-aligned layer during the preheating, curing, and photo alignment to be within their respective preset ranges of temperature.

Photo alignment device, photo alignment method and alignment film preparation system

A master-slave same structure teleoperation fracture reduction mechanism includes a frame assembly, two parallel platform assemblies, a top platform connecting plate (), an operating handle assembly, two fixing assemblies, a controller (), six movement assemblies and 24 hydraulic pipes (). The operating handle assembly is located in the middle of the upper platform (), and the two fixing assemblies are located on the top of the parallel platform assembly. The two parallel platform assemblies are disposed on the frame assembly; the controller () and the six movement assemblies are disposed on the frame assembly; A top platform connecting plate () is connected to the fixing assembly parallel platform assembly. The hydraulic pipes () is in communication with motion hydraulic cylinders () and the other end of the hydraulic pipes is in communication with one of platform hydraulic cylinders (). The invention assists a doctor to achieve fracture reduction.

Master-slave same-structure teleoperation fracture reduction mechanism

The present invention discloses a position calibration method, a test circuit board, a sample panel and a position calibration apparatus. The position calibration method comprises: Step S, providing a test circuit board and forming at least one first sample connecting finger; Step S, making a sample panel comprising second sample connecting fingers corresponding to each first sample connecting finger; Step S, bringing the test circuit board into contact with the sample panel; and Step S, detecting whether each first sample connecting finger is electrically connected to a corresponding second sample connecting finger, and when any one of the first sample connecting fingers is detected as in disconnection with the corresponding second sample connecting finger, adjusting a position of the test circuit board and/or the sample panel.

Position calibration method, test circuit board, sample panel and position calibration apparatus

A circuit structure includes: a control circuit, including a first end, a second end and a control end; a switching circuit, including a first interface, a second interface and a control interface; a driving power line, connected with the control end of the control circuit and configured to provide a driving power voltage in a working stage to conduct the first end of the control circuit and the second end of the control circuit; and a first voltage line, connected with the first end of the control circuit and configured to, when the first end of the control circuit and the second end of the control circuit are conducted, provide a first voltage to the control interface of the switching circuit through the control circuit to disconnect the first interface of the switching circuit from the second interface of the switching circuit.

Circuit structure, display device and driving method

A long-bone fracture-reduction robot is provided, and includes a machine base; a support slidably connected onto the machine base and able to move up and down; a plurality of electro-hydraulic drivers; and a six-degrees-of-freedom parallel robot arranged on the support, with the motion of the robot in six degrees of freedom hydraulically controllable using the plurality of electro-hydraulic drivers. The long-bone fracture-reduction robot includes two long-bone-fixing frames, one frame being coupled to the support and other being coupled to the six-degree-of-freedom parallel robot. The two long-bone-fixing frames are arranged to be side by side. Each of the two long-bone-fixing frames is fixedly connected to a corresponding mounting-and fixing plate.

Long-bone fracture-reduction robot

Growing community of inventors

Beijing, China

Lei Hu