baber/WOPTO huggingface dataset:
Patent WO-2020237868-A1 (WO)
Inventor: ZHAO YONG
IPC: H04L9/08
Filed: 2019-08-27
Abstract: The present application provides a data transmission method, an electronic device, a server and a storage medium. The data transmission method comprises: determining whether there is a communication record with the server according to a received data transmission instruction; if there is no communication record with the server, obtaining a device fingerprint of the electronic device, randomly extracting at least one character in the device fingerprint to generate a first key, and obtaining first data to be transmitted according to the data transmission instruction; using advanced encryption standards to encrypt said first data with the first key to obtain a first ciphertext; sending the first ciphertext to the server; and when a second ciphertext fed back by the server is received, decrypting the second ciphertext by using the first key to obtain second data to be transmitted, thereby realizing data processing, achieving encrypted transmission of the data between the electronic device and the server, and further improving the security of data transmission due to the complexity of an encryption mode.
Patent WO-2020063246-A1 (WO)
Inventor: ZHANG DEJUN
IPC: H04N19/597
Filed: 2019-08-29
Abstract: The present application relates to the technical field of encoding and decoding, and provides a point cloud encoding method, a point cloud decoding method, an encoder, and a decoder, for use in providing a technical solution for efficiently encoding and decoding point cloud data. The point cloud encoding method comprises: obtaining auxiliary information of an occupancy map union of a point cloud group, wherein the point cloud group comprises N point cloud frames, N≥2, N is an integer, the occupancy map union is a union of occupancy maps of N patches having s matching relationship in the N point cloud frames, and the auxiliary information of the occupancy map union is used for determining the auxiliary information of the N patches; and encoding a syntax element into a code stream, wherein the syntax element comprises the auxiliary information of the occupancy map union. The technical solution provided by the present application is conductive to reducing code stream transmission overhead without affecting the encoding and decoding performance.
Patent WO-2020057361-A1 (WO)
Inventor: ZHENG QIAN
IPC: H04W24/10
Filed: 2019-09-02
Abstract: The present disclosure provides an information reporting method, an information receiving method, a terminal and a network device. The information reporting method comprises: sending, to a network device, an RRC recovery request message; receiving a first RRC message sent by the network device in response to the RRC recovery request message; sending, to the network device, a second RRC message in response to the first RRC message; and in cases where an EPLMN is selected during PLMN reselection when a terminal is in an inactive state or where an EPLMN is selected during PLMN reselection and an RNA update condition is satisfied, the second RRC message carrying the identifier of the EPLMN.
Patent WO-2020155627-A1 (WO)
Inventor: YANG LEI
IPC: G06K9/00
Filed: 2019-09-04
Abstract: La présente invention concerne un procédé et un appareil de reconnaissance d'image de visage, un dispositif électronique et un support d'informations. Le procédé consiste à: obtenir une pluralité d'images de viages; extraire des caractéristiques de la pluralité d'images de visages afin d'obtenir une pluralité de vecteurs de caractéristiques correspondant respectivement à la pluralité d'images de visages; sur la base de la pluralité de vecteurs de caractéristiques, obtenir une pluralité d'objets cibles à reconnaître; et évaluer la pluralité d'objets cibles pour obtenir des catégories de la pluralité d'images de visages.
Patent WO-2021042310-A1 (WO)
Title: Method for switching communication system, and communication apparatus
Inventor: XIAO JIEHUA
IPC: H04W72/12
Filed: 2019-09-04
Abstract: Embodiments of the present application relate to the field of communications, and provide a method for switching a communication system, and a communication apparatus, capable of reducing impact of switching a SIM card of a terminal on communication performance of the communication system to a certain extent. The method comprises: a terminal receives first information from a first network device, the first information comprising a first parameter of the terminal in communication with the first network device on a first cell, and the first parameter instructing the terminal to communicate on a second cell; the first cell corresponds to a first subscriber identity module card of the terminal, and the second cell corresponds to a second subscriber identity module card of the terminal; and the terminal is in communication with a second network device on the second cell.
Patent WO-2021042316-A1 (WO)
Inventor: YAN XINYANG
IPC: G01P15/12
Filed: 2019-09-05
Abstract: 一种加速度传感器(100)，包括：柔性衬底(11)；形变层(12)，形变层(12)设于柔性衬底(11)上，形变层(12)能够导电，当形变层(12)在外力作用下形变时，形变层(12)的电阻随着形变层(12)的形变量而变化；及检测器(13)，检测器(13)电连接形变层(12)，用于根据形变层(12)的电阻的变化值获取加速度。该加速度传感器(100)加工工艺简单、成本低、可用于曲面物体表面。
Patent WO-2020224151-A1 (WO)
Inventor: FENG ZIKANG
IPC: G09F9/33
Filed: 2019-09-16
Abstract: 一种可折叠显示装置，包括柔性显示屏（20）、折叠机构（10）和卷绕机构（40）；折叠机构（10）具有上支撑面（13）和下支撑面（14），折叠机构（14）包括第一支座（11）和第二支座（12），柔性显示屏（20）的第一端（21）绕过折叠机构（10）的一端且与第一支座（11）连接，第二端（22）绕过折叠机构（10）的另一端且与第二支座（12）连接。
Patent WO-2020258536-A1 (WO)
Title: 封装结构及封装结构的制备方法
Inventor: LI ZHAO
IPC: H01L51/52
Filed: 2019-09-18
Abstract: 一种封装结构及封装结构的制备方法，封装结构包括第一无机层（101，201）、第一有机层（102，200）、第二无机层（103），第一有机层（102,200）的上表面设置有多个凹槽，第二无机层（103）的下表面与凹槽相对的区域设置有多个凸起，显示面板密封时，凸起一一对应的伸入凹槽中，增大了有机层与无机层间的接触面积，提高了膜层间的粘附力，保护了显示器件。
Patent WO-2020134313-A1 (WO)
Inventor: WANG LINGUO
IPC: H02M3/335
Filed: 2019-10-09
Abstract: 一种全桥电路（10）及全桥变换器（100），该全桥电路（10）包括：原边桥式电路、变压器和副边整流电路，其中，所述原边桥式电路包括并联的第一原边桥式电路和第二原边桥式电路，所述第一原边桥式电路的滞后臂和所述第二原边桥式电路的滞后臂之间连接有辅助电感。通过在两个并联的全桥电路之间连接其电流不受负载大小影响的辅助电感，则可以在较小的电感下实现滞后臂的软开关，并通过减小电感大小来加快电流换向速度以解决占空比丢失问题。
Patent WO-2020140524-A1 (WO)
Inventor: WU YANLIANG
IPC: G06T19/00
Filed: 2019-10-09
Abstract: 一种芯片结构的增强现实显示方法、装置和可读存储介质，其中方法包括：获取芯片结构对应的电路模型图（S11），电路模型图上显示有三维的电路模型；获取目标帧图像，从目标帧图像内抓取显示有目标结构的目标区域（S12），目标结构为目标帧图像上显示的部分或全部的芯片结构；确定目标结构与电路模型之间的映射关系（S13）；根据映射关系和目标结构，生成并显示与目标结构相对应的目标电路模型（S14）。从而方便人们理解芯片的运行原理，提高了芯片开发效率和芯片验证效率。
Patent WO-2021068266-A1 (WO)
Inventor: WANG JUNWEI
IPC: H04W72/04
Filed: 2019-10-12
Abstract: La présente invention concerne un procédé et un dispositif de communication. Un appareil d'extrémité d'envoi envoie de premières informations à un appareil d'extrémité de réception, et l'appareil d'extrémité de réception reçoit les premières informations, les premières informations étant utilisées pour déterminer un MCS utilisé par une signalisation de planification de second niveau, et détermine le MCS utilisé par la signalisation de planification de second niveau à partir d'un ou plusieurs schéma(s) de modulation et de codage (MCS) conformément aux premières informations, de façon à réaliser la configuration flexible du MCS utilisé par la signalisation de planification de second niveau.
Patent WO-2020108129-A1 (WO)
Inventor: FU WENCHAO
IPC: A61F2/82
Filed: 2019-10-14
Abstract: 一种植入式器械，包括金属基体（100），金属基体（100）内含有尺寸在1um以上的颗粒物，当金属基体（100）的壁厚大于或等于0.04mm且小于或等于0.12mm时，最大的颗粒物的尺寸小于或等于15um，且颗粒物的平均含量小于或等于40ppm；当金属基体（100）的壁厚大于0.12mm且小于或等于0.2mm时，最大的颗粒物的尺寸小于或等于20um，颗粒物的平均含量小于或等于100ppm；当金属基体（100）的壁厚大于0.2mm且小于或等于0.3mm时，最大的颗粒物的尺寸小于或等于25um，颗粒物的平均含量小于或等于220ppm。根据金属基体（100）的壁厚合理控制颗粒物的尺寸及颗粒物的平均含量，能够提高植入式器械的塑性变形能力。
Patent WO-2021000454-A1 (WO)
Inventor: WANG KUN
IPC: H01L27/32
Filed: 2019-10-18
Abstract: A pixel unit, a pixel structure, and a manufacturing method for the pixel structure. The pixel unit comprises a first sub-pixel, a second sub-pixel, and a third sub-pixel which are arranged into a polygon. The third sub-pixel is provided in the rectangular boundary of the polygon, and the first sub-pixel and the second sub-pixel are respectively provided on the two sides of the rectangular boundary. The pixel area of the third sub-pixel is larger than the pixel area of the first sub-pixel and of the second sub-pixel. The first sub-pixel is red, the second sub-pixel is green, and the third sub-pixel is blue.
Patent WO-2021081720-A1 (WO)
Title: Sidelink prioritization method, user equipment, and base station
Inventor: YIN XIAOXUE
IPC: H04W72/06
Filed: 2019-10-28
Abstract: A sidelink prioritization method executable in a user equipment (UE) is disclosed. Upon receiving an initial priority value of a sidelink service, the UE determines a traffic type of the side link channel and generates a refined priority value of the sidelink service from the initial priority value according to the traffic type of the sidelink service.
Patent WO-2021087955-A1 (WO)
Inventor: ZHANG JIAN
IPC: H04W72/14
Filed: 2019-11-08
Abstract: 本申请实施例提供一种功率分配方法以及装置。所述方法包括：终端设备确定边链路发送是否优先于上行发送，其中所述边链路发送包括第二上行物理信道承载的边链路信息的发送和/或边链路物理信道/信号的发送，所述上行发送包括所述第二上行物理信道承载的上行信息的发送和/或第一上行物理信道/信号的发送；以及在所述边链路发送优先于所述上行发送的情况下，优先为所述第二上行物理信道和/或所述边链路物理信道/信号分配功率。
Patent WO-2020228281-A1 (WO)
Inventor: SHI XIANLIN
IPC: B64D15/20
Filed: 2019-11-13
Abstract: Provided is an ice crystal detector, comprising an axially extending ice crystal collection probe and a detection device. The ice crystal collection probe comprises a windward surface on one side and a leeward surface opposite to the windward surface, and comprises a rod body, a groove positioned on the windward surface and extending in an axial direction of the rod body, and a photoelectric sensor mounted at one end or both ends of the rod body. The groove comprises an opening and a bottom. The photoelectric sensor forms an optical path in the groove which is spaced from the bottom of the groove for monitoring ice crystals on the bottom of the groove. A controller is connected to the photoelectric sensor and determines whether an ice crystal icing condition exists according to the change of an electric signal fed back by the photoelectric sensor. The rod body also comprises a plurality of airflow channels, an inlet of each airflow channel is positioned at the bottom of the groove of the ice crystal collection probe, and an outlet thereof is positioned on the leeward surface of the ice crystal collection probe. The ice crystal detector is simple in structure, high in reliability, easy to realize and low in electric power consumption, and can detect whether an ice crystal icing condition exists in the air.
Patent WO-2021035990-A1 (WO)
Inventor: FAN DAWEI
IPC: B60C23/04
Filed: 2019-11-15
Abstract: 本发明提供一种在轮胎内部自动贴合TPMS传感器的系统，该系统用于在轮胎内部区域贴上传感器，具体地，该系统包括环形设置的输送线、至少一个可移动地设置在输送线上的轮胎放置工装、沿环形输送线前进方向依次设置的上料装置、清洗装置、打磨装置、硫化装置、烘干装置、粘贴装置、涂胶装置、下料装置以及控制装置；具有降低生产成本，增加贴装牢固性，简化了粘贴装置中传感器与轮胎的绑定的繁琐过程，且实现在无巡检工具的情况下，用手机等移动设备可完成传感器与轮胎信息的调整。
Patent WO-2021097790-A1 (WO)
Inventor: DAI HAILONG
IPC: C03C17/00
Filed: 2019-11-22
Abstract: A glass backplane, comprising: a tempered glass substrate, a light-shielding layer and a reflective layer, wherein the two opposite sides of the tempered glass substrate are respectively a first side and a second side; the light-shielding layer is arranged on the first side of the tempered glass substrate; the two opposite sides of the light-shielding layer are respectively a first side and a second side, and the second side of the light-shielding layer is closer to the tempered glass substrate than the first side of the light-shielding layer; and the reflective layer is arranged on the first side of the light-shielding layer.
Patent WO-2020238090-A1 (WO)
Inventor: CHENG DAPENG
IPC: G01R31/40
Filed: 2019-11-25
Abstract: Provided is a DC power supply smart integrated monitoring instrument, comprising a signal acquisition circuit, a central processing unit, a human-computer interface, and a storage unit. The signal acquisition circuit is connected to the DC power supply, and the signal acquisition circuit is used for collecting in real time the voltage data and current data of the DC power supply; the central processing unit is connected to the signal acquisition circuit, the central processing unit is used for calculating power data on the basis of the voltage data and current data and determining whether the data is abnormal, and outputting an alarm signal if the data is abnormal; the human-computer interface is connected to the central processing unit and used for cyclically displaying voltage data, electric current data, and power level data; the storage unit is connected to the central processing unit, and the storage unit is used for storing voltage data, electric current data, and power level data. The integrated monitoring instrument has comprehensive functions, strong intelligence, and a high degree of integration, enriches the functions of the instrument, enhances the scalability of an entire power management system, and reduces the cost of integrated monitoring and management of a DC power supply.
Patent WO-2021088158-A1 (WO)
Inventor: WANG SHUKUN
IPC: H04W24/08
Filed: 2019-11-27
Abstract: 本申请实施例提供了一种无线通信方法、终端设备和网络设备，可以实现CLI测量。该无线通信方法包括：第一终端设备接收第一网络设备发送的第一配置信息，该第一配置信息用于配置针对CLI测量的SRS资源，该SRS的定时参考第一小区的定时或者参考该第一网络设备配置的定时，其中，该第一小区为以下小区中的一种：与该SRS关联频点的服务小区，服务于该第一终端设备的主小区，服务于该第一终端设备的主辅小区。
Patent WO-2020199653-A1 (WO)
Inventor: GUO YANCHUN
IPC: H01R13/447
Filed: 2019-12-17
Abstract: The present application discloses a high-voltage connector for energy storage, comprising a socket and a plug. The socket comprises a main socket component, an installation flange, an electric insulation recess, a fastening snap ring, a contact pin, and an electric shock prevention cover. The plug comprises a main plug component, a press fastener, a hand-held quick release component, a hammer-fastened protrusion, an insertion hole, a crown spring connector, a wiring insertion opening, a locking slide block, a waterproof anti-loosening ring, and a protective back cover. The contact pin of the socket and the insertion hole of the plug undergo interference-fitted plug-insertion by means of the crown spring connector, so as to provide an electrical connection, and the opposite action is called plug-insertion separation. The press fastener of the plug and the fastening snap ring of the socket undergo snap-fastening, so as to provide a fastening engagement, and the opposite action is called snap-fastening separation. The locking slide block of the plug is pushed in a direction from the plug to the socket, so as to provide a locking engagement, and the opposite action is called locking-engagement separation.
Patent WO-2021120186-A1 (WO)
Inventor: LI ZHAOYUE
IPC: G06K9/62
Filed: 2019-12-20
Abstract: A distributed product defect analysis system (104), which is used for product defect analysis in a product manufacturing process, and comprises a product manufacturing message processing cluster (201), a product defect identification cluster (202), a product image database (203), and a client device (204), wherein the product image database (203) is configured to store a product image produced in the product manufacturing process; the product manufacturing message processing cluster (201) is configured to generate a product defect analysis task according to the product manufacturing message, with the product defect analysis task comprising a first defect identification task; the product defect identification cluster (202) is configured to identify product defect content from the product image by means of a defect identification model and on the basis of the first defect identification task, with the product defect content comprising any one or more of a defect type, a defect position, and a defect size of a product; and the client device (204) is configured to output a product defect identification result.
Patent WO-2020155918-A1 (WO)
Inventor: LI YONG
IPC: B65H18/10
Filed: 2019-12-20
Abstract: 一种喷水织机用成品干燥收卷装置，包括机架（1），机架（1）上固定有伺服电机（3），伺服电机（3）的输出轴固定有第一皮带轮（4），第一皮带轮（4）传动连接有第二皮带轮（5），第二皮带轮（5）固定在转轴（6）上，转轴（6）上固定有定位键（7），定位键（7）卡接在定位槽中，定位槽设置在卷料辊（9）的内腔中，转轴（6）的一端设置有锁止机构（10），机身（11）的中间转动连接有两个传动辊（12），传动辊（12）通过布料与卷料辊（9）传动连接，两个传动辊（12）之间设置有张紧机构（13），机身（11）远离卷料辊（9）的一端设置有烘干机构（14）。
Patent WO-2020135503-A1 (WO)
Inventor: ZHANG JUNLING
IPC: H04W36/32
Filed: 2019-12-25
Abstract: 本申请实施例公开了一种对抗多普勒频移的方法及设备，其中该方法包括：在用户设备进行小区切换的情况下，获取所述用户设备在源小区内最后时刻的多普勒频移估计值；对所述多普勒频移估计值取相反数，并将所述多普勒频移估计值的相反数用于自动频率控制AFC中的载波频率迁移CFO补偿。
Patent WO-2021128278-A1 (WO)
Inventor: ALVAREZ IGNACIO
IPC: B60W30/18
Filed: 2019-12-27
Abstract: A safety system (200) for a vehicle (100) is provided. The safety system (200) may include one or more processors (102). The one or more processors (102) may be configured to control a vehicle (100) to operate in accordance with the predefined stored driving model parameters, to detect vehicle operation data during the operation of the vehicle (100), to determine whether to change predefined driving model parameters based on the detected vehicle operation data and the driving model parameters, to change the driving model parameters to changed driving model parameters, and to control the vehicle (100) to operate in accordance with the changed driving model parameters.
Patent WO-2021134209-A1 (WO)
Title: Method and apparatus of harmonizing weighted prediction with non-rectangular merge modes
Inventor: FILIPPOV ALEXEY KONSTANTINOVICH
IPC: H04N19/11
Filed: 2019-12-30
Abstract: An inter prediction method, comprising: determining whether a non-rectangular inter prediction mode is allowed for a group of blocks; obtaining one or more inter prediction mode parameters and weighted prediction parameters for the group of blocks; and obtaining prediction value of a current block based on the one or more inter prediction mode parameters and weighted prediction parameters, wherein one of the inter prediction mode parameters indicates reference picture information for the current block, and wherein the group of blocks comprises the current block.
Patent WO-2020147600-A1 (WO)
Inventor: YU JINQIANG
IPC: G08G1/081
Filed: 2020-01-06
Abstract: A traffic control method, an apparatus and an electronic device, the traffic control method comprising: acquiring timing information about each intersection in a preset area (S3100); acquiring intersection-to-intersection information corresponding to each path in the preset area (S3200); acquiring a traffic volume of each path within a set period (S3300); obtaining a target phase difference of each intersection in each phase according to the intersection-to-intersection information corresponding to each path, the timing information about each intersection, and the traffic volume of each path (S3400); and performing traffic control on the preset area according to the target phase difference of each intersection in each phase (S3500).
Patent WO-2021138823-A1 (WO)
Title: Information pushing method and apparatus, server, and storage medium
Inventor: WANG YIFENG
IPC: G06F16/9535
Filed: 2020-01-08
Abstract: Disclosed in the embodiments of the present application are an information pushing method and apparatus, a server, and a storage medium. The method comprises: acquiring a user group to which information is to be pushed; on the basis of a user portrait of the user group, determining an information pushing channel matching the user group; and pushing information to the user group on the basis of the information pushing channel. In the described method, a user group to which information is to be pushed is acquired, an information pushing channel matching the user group is determined on the basis of a user portrait of the user group, and then information is pushed to the user group on the basis of the information pushing channel, thus a matched information pushing channel can be determined for the user group on the basis of the user portrait of the user group, and then information is pushed to a user in the user group by using the information pushing channel matching the user group, so as to improve the conversion rate of the pushed information.
Patent WO-2020151690-A1 (WO)
Title: Statement generation method, device and equipment and storage medium
Inventor: TAN YIZHANG
IPC: G06F16/332
Filed: 2020-01-21
Abstract: A statement generation method, device and equipment and a storage medium. The method comprises: obtaining an input sequence; encoding the input sequence to obtain a statement feature vector; decoding the statement feature vector to obtain a first predetermined number of candidate statement sequences; clustering the first predetermined number of candidate statement sequences to obtain at least two types of statement sequence sets; selecting a second predetermined number of candidate statement sequences from the at least two types of statement sequence sets, wherein the second predetermined number of candidate statement sequences comprise at least two statement feature types; and determining an output sequence corresponding to the input sequence according to the second predetermined number of candidate statement sequences.
Patent WO-2020199851-A1 (WO)
Inventor: LI YANHUI
IPC: G01N1/20
Filed: 2020-03-06
Abstract: A Urine collector comprises a cup body, a cup handle and a pin shaft. The cup body, the cup handle and the pin shaft can be produced through injection-molding at one time, or can be assembled and used after injection-molding of the parts. The cup body has a flat structure at the bottom, and the height of the cup wall is higher at the end near the handle of the cup, while the height of the cup wall at the end far from the handle is lower. The middle portion of the cup has a concave structure. And a urine collector comprises a container body (1) and a container handle (2) connected to the container body (1). The container body (1) comprises a bottom portion (4), and a circle of wall extending upwardly there from the bottom portion (4) to create an opening at an opposing end thereof and defining a cavity on an interior of the container body (1). The circle of wall is designed according to the shape of female genitalia. The urine collector is more convenient for female users to collect urine samples than the conventional urine collection device.
Patent WO-2021179341-A1 (WO)
Inventor: WANG BIN
IPC: G01N19/02
Filed: 2020-03-18
Abstract: L'invention concerne un dispositif et un procédé de mesure du coefficient de frottement d'un lubrifiant, utilisés pour mesurer les coefficients de frottement d'autres matériaux lubrifiants en prenant un matériau lubrifiant présentant un coefficient de frottement connu en tant que matériau standard. Le dispositif comprend un module de rotation (100), un module de démarrage de rotation et un module de mesure de vitesse, le module de rotation (100) comprenant un arbre de rotation (106) serré par un montage sur rubis supérieur (104) et un montage sur rubis inférieur (108) permettant la rotation, un module d'aimant (105) et un module métallique (107) installés sur l'arbre de rotation (106), un capteur de pression (109) installé sous le montage sur rubis inférieur (108), un aimant permanent (102) disposé au-dessus de l'extrémité supérieure du module de rotation (100), et une plateforme mobile tridimensionnelle (112) positionnée au niveau de l'extrémité inférieure du dispositif.
Patent WO-2020199955-A1 (WO)
Inventor: SHI DONGYANG
IPC: H01M50/529
Filed: 2020-03-23
Abstract: 一种二次电池（10），包括：壳体（11），壳体（11）包括具有开口的容纳腔（11a）；顶盖组件（12），顶盖组件（12）与壳体（11）密封连接以盖闭开口；电极组件（13），设置于容纳腔（11a）内，电极组件（13）包括沿与容纳腔（11a）的深度方向（X）相垂直的第一方向（Y）相对设置的两个端面（13a）以及从每个端面（13a）延伸出的极耳（13b）；极耳（13b）为层状结构，极耳（13b）具有靠近端面（13a）的冗余段（130a）以及与冗余段（130a）相连接的连接段（130b）；集流件（14），集流件（14）包括与连接段（130b）连接固定的集流部（141）。该二次电池（10）的极耳（13b）具有冗余段（130a），能够有效缓冲移动量，降低极耳（13b）因承载过大拉伸应力而被撕裂或拉断的可能性。
Patent WO-2020258943-A1 (WO)
Title: 滤器回收保护装置、滤器回收系统及方法、过滤系统
Inventor: ZHU YONGFENG
IPC: A61F2/01
Filed: 2020-03-24
Abstract: 一种滤器回收保护装置(100)、滤器回收系统及方法、过滤系统。滤器回收保护装置(100)包括过滤组件(1100)，过滤组件(1100)包括袋式过滤层(1110)和固定结构(1120)，袋式过滤层(1110)具有相对的第一远端和第一近端，袋式过滤层(1110)的第一远端具有一开口，开口用于在回收滤器(200)时允许血栓(400)进入袋式过滤层(1110)；固定结构(1120)设置在第一远端并用于与血管(300)的内壁贴合可以避免回收滤器(200)时，因血栓(400)进入肺动脉而引起的肺栓塞等严重后果。