Abstract: Disclosed is a prosthetic heart valve, wherein the prosthetic heart valve comprises: a ring-shaped stent, comprising: a mesh structure which allows the stent to be contracted or expanded in a radial direction; and a leaflet structure, comprising a plurality of leaflets, each leaflet is attached to the stent and has a first portion disposed within the stent and a second portion being wrapped to an outer circumferential side of the proximal end of the stent. With a growth of the heart, the stent can be expanded after the prosthetic heart valve is anchored, to allow the prosthetic heart valve to operate in different states, and under at least one of the different states, each leaflet has an excessive portion freely sagging to a position away from the stent along a direction from the distal end to the proximal end, to allow the stent to form a more functional valve.

Abstract: A transapically-implanted mitral valve flexible closure plate blocking body comprising: a flexible closure plate (7), a left and right guide wire (8), a guide ring (13) and a fixation plug (12). The fixation plug (12) is fixedly implanted at a cardiac apex (4) of the heart, the flexible closure plate (7) is located at an anterior and posterior leaflet junction of the heart, the left and right guide wire (8) respectively pass through a hook (6) on the same side, are fixedly connected to the flexible closure plate (7) in the upper portion on the same side, and respectively pass through a guide ring (13) fixedly connected in the lower portion of the flexible closure plate (7) on the same side, and are fixedly connected to the fixation plug (12). An implantation method thereof is also provided.

Abstract: An image processing method and system, a storage medium and a moving system are provided, and the image processing method includes: obtaining a 2D depth array Dp having depth information of a target object; calculating to obtain a depth vector D=[d1, d2, d3, . . . , di, . . . , dn], in which an element di is an average value of elements of the ith row in the 2D depth array; calculating to obtain an edge determination vector ?D=[?d1, ?d2, ?d3, . . . , ?di, . . . , ?dn?1], in which an element ?di=|di?di+1|; calculating an average value d0=(|?d2??d1|+|?d3??d2|+ . . . +|?dn?1??dn?2|)/(n?2); and comparing an absolute value |?di??di+1| with d0 to identify an edge of the target object, in which in a situation where |?di??di+1| is greater than d0, it is determined that the elements of the ith row in the 2D depth array Dp correspond to the edge of the target object.

Abstract: An apical implantation mitral valve balloon closure plate blocking body and an implantation method, for human heart repair are disclosed. A balloon closure plate made from an elastic plastic material which may be filled with a gas or a curable liquid is implanted via a small incision on the left side of the chest, enters the left ventricle via the apex, and is placed and fixed at a backflow hole position of a front and rear leaflet closure point of the mitral valve. The present disclosure treats diseases such as functional mitral valve regurgitation, and the success rate for repairing functional mitral valve backflow is more than 90%.

Abstract: An image processing method and system, a storage medium and a moving system are provided, and the image processing method includes: obtaining a 2D depth array Dp having depth information of a target object; calculating to obtain a depth vector D=[d1, d2, d3, . . . , dl, . . . , dn], in which an element di is an average value of elements of the ith row in the 2D depth array; calculating to obtain an edge determination vector ?D=[?d1, ?d2, ?d3, . . . , ?di, . . . , ?dn?1], in which an element ?di=|di?di+1|; calculating an average value d0=(|?d2??d1|+|?d3??d2|+ . . . +|?dn?1??dn?2|)/(n?2); and comparing an absolute value |?di??di+1| with d0 to identify an edge of the target object, in which in a situation where |?di??di+1| is greater than d0, it is determined that the elements of the ith row in the 2D depth array Dp correspond to the edge of the target object.

Abstract: An adaptively positioned mitral valve closure plate blocker for repairing mitral regurgitation, comprising a suture and shaping ring (4.1) sutured on a mitral ring (2.1) and a closure plate (4.2); the closing plate (4.2) comprises a tongue-shaped plate and a strut (4.3) located at the top of the tongue-shaped plate and connected to the suture and shaping ring; the closing plate (4.2) can be connected to the suture and shaping ring (4.1), being capable of flapping back and forth and twisting left and right. The suture and shaping ring is sutured on the valve ring (2.1) of the mitral valve (2) of a patient in a thoracotomy and open heart surgery, thus shaping the disease expanded mitral ring (2.1), and supporting the closing plate (4.2); when a heart contracts and valve leaflets close, the closing plate (4.2) flaps and twists depending on the position of a regurgitation opening at the free edge of the valve leaflets to realize adaptive positioning of the closing plate (4.2), so that the closing plate (4.

Abstract: Disclosed are a transapically-implanted mitral valve flexible closure plate blocking body and an implantation method which belong to the technical field of human heart repair. A flexible closure plate (7) is implanted via a small incision on the left side of the chest, enters the left ventricle (3) via the cardiac apex (4), and is placed and fixed at a regurgitation gap position of the anterior and posterior leaflet junction (5) of the mitral valve (2). During diastoles, the mitral valve (2) opens, and blood flows from the left atrium (1) to the left ventricle (3) via two channels between the anterior and posterior leaflets (2.2, 2.3) and the closure plate (7). During systoles, the anterior and posterior leaflets (2.2, 2.

Abstract: An apical implantation mitral valve balloon closure plate blocking body and an implantation method, for human heart repair are disclosed. A balloon closure plate made from an elastic plastic material which may be filled with a gas or a curable liquid is implanted via a small incision on the left side of the chest, enters the left ventricle via the apex, and is placed and fixed at a backflow hole position of a front and rear leaflet closure point of the mitral valve. The present disclosure treats diseases such as functional mitral valve regurgitation, and the success rate for repairing functional mitral valve backflow is more than 90%.

Abstract: The present application provides a medicine monitoring device, system and method. The medicine monitoring device comprises: a medicine analyzer configured to detect a type parameter and an amount parameter of a medicine; and a processing module circuit coupled to the medicine analyzer. The processing module circuit is configured to determine a detected type and amount of the medicine based on the detected type parameter and amount parameter of the medicine, obtain preset type and amount of the medicine, and judge whether the detected type and amount of the medicine coincide with the preset type and amount of the medicine.

Abstract: A splicing display system and a display method thereof are provided. The system includes a plurality of display units; a memory configured to store an image signal inputted into the splicing display system; and a controller configured to read each frame of image in the image signal sequentially from the memory through a first transmission interface between the controller and the memory, perform image processing on each frame of image, and transmit a sub-image corresponding to the display unit in each frame of image to each display unit. Each display unit includes a memory module connected with a display screen in the display unit and configured to store the sub-images corresponding to the display unit outputted by the controller. The controller is also configured to control the memory modules to synchronously output the sub-images corresponding to the display units in each frame of image to the display screens.

Abstract: There are disclosed a signal processing method, a signal reception processing apparatus and a TV system, wherein the signal processing method comprises: receiving a control signal and decoding said control signal; comparing a signal instruction obtained from the decoding with preset instructions and generating an execution instruction corresponding to the matched preset instruction, wherein said preset instructions include a channel storage instruction and a channel change instruction; and performing corresponding execution actions according to the execution instruction. In the signal reception processing apparatus and the TV system based on the above method, specific channels are stored by decoding the control signal, and thus by storing specific channels, the aged can perform operations only on these specific TV channels instead of all TV channels when watching TV programs, and therefore they can watch TV program conveniently.

Abstract: An AC-DC converter, power supply board and display apparatus is disclosed. The AC-DC converter comprises: an AC-DC converting circuit; a transformer, whose primary coil has a first terminal coupled to a positive output terminal of the AC-DC converting circuit, and second terminal connected to a load; a voltage monitoring circuit, whose input terminal is coupled to the first terminal of the secondary coil, and second terminal of the secondary coil connected to a ground; and a control circuit, whose input terminal is coupled to an output terminal of the voltage monitoring circuit, and output terminal coupled to the AC-DC converting circuit; wherein the voltage monitoring circuit outputs a control voltage when a voltage outputted by the first terminal of the secondary coil of the transformer exceeds a first threshold; the control circuit controls the AC-DC converting circuit to stop providing power supply when the control voltage exceeds a second threshold.

Abstract: A display device, a display system and a display method are provided. The display device comprises a main display screen, and a ratio of a number of pixels in a transverse direction to a number of pixels in a longitudinal direction of the main display screen is a main display scale. The display device further comprises: a first sub display screen adjoined with the main display screen in the longitudinal direction, and the first sub display screen and the main display screen having the same number of pixels in the transverse direction; and/or, a second sub display screen adjoined with the main display screen in the transverse direction, and the second sub display screen and the main display screen having the same number of pixels in the longitudinal direction.

Abstract: There are disclosed a backlight source driving circuit and a display apparatus. The backlight source driving circuit comprises a switch field effect transistor (Q1), a freewheeling field effect transistor (Q2), a power supplying module, a control module, a LED group (Z) and a feedback module, the power supplying module is configured to supply power to the LED group (Z), the control module is configured to control turn-on timings of the switch field effect transistor (Q1) and the freewheeling field effect transistor (Q2) to be opposite, and the feedback module is configured to provide a feedback voltage to the control module. The backlight source driving circuit is disposed in the display apparatus. By utilizing the field effect transistor as the freewheeling device in the backlight source driving circuit, the power consumption of the driving circuit is decreased effectively and an efficiency of the driving circuit is enhanced.

Abstract: A splicing display system and a display method thereof are provided. The system includes a plurality of display units; a memory configured to store an image signal inputted into the splicing display system; and a controller configured to read each frame of image in the image signal sequentially from the memory through an output interface between the controller and the memory, perform image processing on each frame of image, and transmit a sub-image corresponding to the display unit in each frame of image to each display unit. Each display unit includes a memory module. The memory modules are connected with display screens in the display units and configured to store the sub-images corresponding to the display units outputted by the controller. The controller is also configured to control the memory modules to synchronously output the sub-images corresponding to the display units in each frame of image to the display screens.

Abstract: The present invention discloses a method of adjusting a volume of a display device and a display device, which can adjust the volume of the display device intelligently. The method of adjusting the volume of the display device comprises the steps of: firstly detecting a distance between the viewer and the display device, then determining a target volume to which the distance corresponds, finally adjusting the playing volume of the display device as the target volume.

Abstract: A display device and a method for regulating a viewing angle of a display device are provided and can realize the automatic regulation of angle.

Abstract: An adaptively positioned mitral valve closure plate blocker for repairing mitral regurgitation, comprising a suture and shaping ring (4.1) sutured on a mitral ring (2.1) and a closure plate (4.2); the closing plate (4.2) comprises a tongue-shaped plate and a strut (4.3) located at the top of the tongue-shaped plate and connected to the suture and shaping ring; the closing plate (4.2) can be connected to the suture and shaping ring (4.1), being capable of flapping back and forth and twisting left and right. The suture and shaping ring is sutured on the valve ring (2.1) of the mitral valve (2) of a patient in a thoracotomy and open heart surgery, thus shaping the disease expanded mitral ring (2.1), and supporting the closing plate (4.2); when a heart contracts and valve leaflets close, the closing plate (4.2) flaps and twists depending on the position of a regurgitation opening at the free edge of the valve leaflets to realize adaptive positioning of the closing plate (4.2), so that the closing plate (4.

Abstract: Disclosed are liquid crystal display control method and system, and a display device.

Abstract: The present invention discloses a method of adjusting a volume of a display device and a display device, which can adjust the volume of the display device intelligently. The method of adjusting the volume of the display device comprises the steps of: firstly detecting a distance between the viewer and the display device, then determining a target volume to which the distance corresponds, finally adjusting the playing volume of the display device as the target volume.