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1. 发明公开

US20240033423A1 DRUG DELIVERY DEVICE 审中-公开
公开(公告)号：US20240033423A1
公开(公告)日：2024-02-01
申请号：US18282248
申请日：2022-03-08
申请人： SENSILE MEDICAL AG
发明人： MATTHIAS MÜLLER , CHRISTIAN HUBER , FABIAN BÜRLI , ALEXANDRE PERRIER
IPC分类号： A61M5/145 , A61M5/142 , A61M5/14
CPC分类号： A61M5/14526 , A61M5/14248 , A61M5/1413 , A61M5/1456 , A61M2005/14252 , A61M2005/1401 , A61M2005/14268 , A61M2005/14573 , A61M2202/0007 , A61M2202/04 , A61M2205/13 , A61M2205/10 , A61M2205/073 , A61M2205/123 , A61M2205/3306
摘要： A drug delivery device (1), comprising a delivery unit (3) including a drug container (6), a liquid flow system (7), a pumping system (8), and a casing (9) enclosing therein the drug container, the pumping system and at least a part of the liquid flow system, the drug container comprising a barrel portion (6a) and a plunger (12) slidably mounted within the barrel portion and sealing the drug (78) within the container at one end of the barrel portion, the liquid flow system (7) connected fluidically to the drug container during delivery of the liquid drug. The drug container is contained within a container receiving cavity (75) of a container casing portion (38) of the casing (9) and the container receiving cavity is fluidically interconnected to a fluid outlet (31) of the pumping system (8) in a gas tight manner, the pumping system comprising a fluid inlet (30) connected to environmental air, the pumping system configured to pump environmental air drawn in through the fluid inlet (30) into the container receiving cavity (75) thus applying pressure on a back end (73) of the plunger for delivery of the liquid drug.

2. 发明公开

US20240033422A1 DRUG DELIVERY DEVICE 审中-公开
公开(公告)号：US20240033422A1
公开(公告)日：2024-02-01
申请号：US18282245
申请日：2022-03-08
申请人： SENSILE MEDICAL AG
发明人： ADRIAN BÜCHI , ALEXANDRE PERRIER , CHRISTIAN HUBER
IPC分类号： A61M5/145 , A61M5/142 , A61M5/14
CPC分类号： A61M5/14526 , A61M5/14248 , A61M5/1413 , A61M5/1456 , A61M2005/14252 , A61M2005/1401 , A61M2005/14268 , A61M2005/14573 , A61M2202/0007 , A61M2202/04 , A61M2205/13 , A61M2205/10 , A61M2205/07 , A61M2205/123 , A61M2205/3306
摘要： Drug delivery device (1) comprising a delivery unit (3) including a drug container (6) comprising a barrel portion (6a) and a plunger (12) slidably mounted within the barrel portion and sealing against an inner surface of the barrel portion (6a) for containing a liquid drug (78) within the drug container; an electronic control system (47) and a plunger sensing system (70) including an optical sensor (71) comprising a transmitter (71a) and a receiver (71b), the transmitter configured for transmitting an optical signal to a back end (73) of the plunger (12) and the receiver configured to receive the optical signal reflected off the plunger back end (73), the plunger sensing system connected to the electronic control system (47) configured to measure a time of flight of the optical signal from the transmitter to the receiver and to determine therefrom a position of the plunger within the cylinder portion of the drug container.

3. 发明申请

US20200378375A1 MICROPUMP 审中-公开
公开(公告)号：US20200378375A1
公开(公告)日：2020-12-03
申请号：US16957845
申请日：2018-12-17
申请人： SENSILE MEDICAL AG
发明人： THOMAS WYSS , ALEXANDRE PERRIER , CHRISTIAN HUBER , MATTHIAS MULLER
IPC分类号： F04B19/00 , F04B9/04 , F04B13/00
摘要： A pump (2) comprising a stator (4) and a rotor (6) axially and rotatably movable relative to the stator, the stator comprising a rotor shaft receiving cavity (18), an inlet (14) and an outlet (16) fluidly connected to the rotor shaft receiving cavity (18), the rotor comprising a shaft (24) received in the rotor shaft receiving cavity (18). The rotor shaft (24) comprises a cavity (39) receiving a piston portion (12) of the stator therein to form a piston chamber (42), a seal (44) mounted between the piston portion (12) and inner sidewall of the cavity (39) to sealingly close an end of the piston chamber (42). The rotor further comprises a port (38) fluidly connecting the piston chamber (42) to an outer surface (60) of the rotor shaft (24), the port (38) arranged to overlap at least partially the inlet (14) over a rotational angle α of the rotor corresponding to a pump intake phase, and arranged to overlap at least partially the outlet (14) over a rotational angle β of the rotor corresponding to a pump expel phase.

4. 发明公开

US20240066541A1 PUSH ACTUATED DOUBLE FLUID DISPENSER 审中-公开
公开(公告)号：US20240066541A1
公开(公告)日：2024-02-29
申请号：US18451881
申请日：2023-08-18
申请人： SENSILE MEDICAL AG
发明人： ALEXANDRE PERRIER , CHRISTIAN HUBER , MATTHIAS MÜLLER
IPC分类号： B05B11/10
CPC分类号： B05B11/1084 , B05B11/1028 , B05B11/1053
摘要： Push actuated double fluid dispenser (1), comprising a container (2) having a first cavity (4a) and a second cavity (4b) separated from the cap first cavity (4a), and a dispensing pump device (6) in a general form of a cap assembled to the container over the first and second cavities, the dispensing pump device comprising a base part (7) and a cap part (8) including a pump mechanism (16) comprising an elastic flexible pump membrane (18) manually movable from an uncompressed state to a compressed state. The pump mechanism (16) further comprises a separating wall (20) extending from an underside of the pump membrane (18) and inserted into a slot in the base part, the separating wall separating a first pump chamber (22a) from a second pump chamber (22b), both first and second pump chambers provided in a volume below the pump membrane (18), the first pump chamber connected fluidically to a first inlet channel (10a) and a first outlet channel (11a), the second pump chamber connected fluidically to a second inlet channel (10b) and second outlet channel (11b), the inlet channels fluidically interconnecting the respective first and second cavities to the respective first and second pump chambers, valves (13) being positioned between the inlet channels and the pump chambers configured to allow fluid flow only in the direction from the cavities to the respective pump chambers, and the outlet channels interconnecting the pump chambers to an outlet nozzle (12) of the dispenser, outlet valves (24a, 24b) being positioned in the outlet channels configured to allow fluid flow only in the direction from the pump chambers to the outlet nozzle.

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