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    • 8. 发明公开
    • THREE-ARM CLAMP
    • EP4119088A1
    • 2023-01-18
    • EP21803573.1
    • 2021-04-20
    • Micro-Tech (Nanjing) Co., Ltd.Zhang, Qiang
    • JIN, HongyanLI, ChangqingSHEN, ZhenghuaMA, XiaojunQIU, WeiqinDONG, HaoZHANG, Qiang
    • A61B90/00A61B17/04
    • Disclosed is a three-arm clamp, which belongs to the technical field of endoscopic medical devices. The three-arm clamp comprises: a clamping assembly (10) and a releasing member (20) connected to each other, wherein the clamping assembly (10) comprises a fixed arm (11), and two movable arms (12) respectively rotatably connected to the fixed arm (11) by means of a hinge pin (101); the proximal end of each movable arm (12) is provided with a first sliding slot (120), and a sliding slot pin (30) is slidably arranged in the first sliding slot (120); the proximal end of the fixed arm (11) is further provided with an inner cavity, and the releasing member (20) is inserted into the inner cavity and connected to the sliding slot pin (30); the proximal end of each movable arm (12) is further provided with an elastic sheet (121); the movable arms (12) and the fixed arm (11) are closed by means of clamping, and the elastic sheets (121) are folded in the inner cavity, in a radial direction of the fixed arm (11), from a connecting end to a free end and abut against the releasing member (20); and the releasing member (20) is separated from the movable arms (12), and the free end of each elastic sheet (121) elastically abuts against the inner wall of the inner cavity. The three-arm clamp can simply, quickly and effectively carry out clamping and suturing of a large defect of the digestive tract and a defect at a site difficult to operate in a minimally invasive endoscopic surgical operation.
    • 10. 发明公开
    • ROTARY ENGINE ARCHITECTURE
    • EP3967844A1
    • 2022-03-16
    • EP21193453.4
    • 2021-08-27
    • Zoratto, Antonino Pietro
    • Zoratto, Antonino Pietro
    • F01C1/356F02B53/00F01C21/08
    • A rotary engine architecture (12) comprises at least one housing (14) and at least one rotor (16) arranged with a shaft (18) and adapted to rotate within said housing (14) about an axis of rotation (x). The rotor (16) comprises at least one cavity (20). The housing (14) comprises at least one combustion chamber (22) arranged with at least one fuel injector (24) and one ignition device (26). The housing (14) further comprises: at least one combustion unit (28) comprising a combustion blade (280) movable in a respective combustion blade seat (282) so as to protrude towards the inside of the housing (14), the combustion blade (280) being arranged upstream with respect to the combustion chamber (22); at least one intake/exhaust unit (30) comprising an intake/exhaust blade (300) movable in a respective intake/exhaust blade seat (302) so as to protrude towards the inside of the housing (14), the intake/exhaust blade (300) being interposed between an exhaust opening (34) and an intake opening (36), the exhaust opening being upstream of the intake/exhaust blade (300); and at least one compression unit (32) comprising a compression blade (320) movable in a respective compression blade seat (322) so as to protrude towards the inside of the housing (14); and a compression opening (38) provided upstream of the compression blade (320). The compression unit (32) also comprises a compression duct (40) adapted for the selective communication of fluid between said compression opening (38) and said combustion chamber (22). The combustion blade (280), the intake/exhaust blade (300) and the compression blade (320) are adapted to rub with one end edge (284, 304, 324) thereof on the outer surface of the rotor (16) and in particular of the at least one cavity (20).