DK3758777T3 - Sprøjtestempelindgrebsmekanisme - Google Patents

Sprøjtestempelindgrebsmekanisme Download PDF

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Publication number
DK3758777T3
DK3758777T3 DK19710231.2T DK19710231T DK3758777T3 DK 3758777 T3 DK3758777 T3 DK 3758777T3 DK 19710231 T DK19710231 T DK 19710231T DK 3758777 T3 DK3758777 T3 DK 3758777T3
Authority
DK
Denmark
Prior art keywords
engagement mechanism
injection piston
piston engagement
injection
piston
Prior art date
Application number
DK19710231.2T
Other languages
English (en)
Inventor
Shahab Taheri
Tim Newing
Grant Karsten
Aiden Salm
Han Min Thu
Original Assignee
Bayer Healthcare Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Healthcare Llc filed Critical Bayer Healthcare Llc
Application granted granted Critical
Publication of DK3758777T3 publication Critical patent/DK3758777T3/da

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
    • A61M5/31578—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
    • A61M5/31581—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by rotationally moving or pivoting actuator operated by user, e.g. an injection lever or handle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31515—Connection of piston with piston rod
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3123—Details having air entrapping or venting means, e.g. purging channels in pistons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/1458—Means for capture of the plunger flange
DK19710231.2T 2018-02-27 2019-02-25 Sprøjtestempelindgrebsmekanisme DK3758777T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862635669P 2018-02-27 2018-02-27
PCT/US2019/019360 WO2019168776A1 (en) 2018-02-27 2019-02-25 Syringe plunger engagement mechanism

Publications (1)

Publication Number Publication Date
DK3758777T3 true DK3758777T3 (da) 2023-02-27

Family

ID=65724550

Family Applications (1)

Application Number Title Priority Date Filing Date
DK19710231.2T DK3758777T3 (da) 2018-02-27 2019-02-25 Sprøjtestempelindgrebsmekanisme

Country Status (11)

Country Link
US (1) US11883636B2 (da)
EP (1) EP3758777B1 (da)
JP (1) JP7334172B2 (da)
CN (1) CN111770771B (da)
AU (2) AU2019227533B2 (da)
CA (1) CA3092063A1 (da)
DK (1) DK3758777T3 (da)
ES (1) ES2939249T3 (da)
HU (1) HUE061426T2 (da)
PL (1) PL3758777T3 (da)
WO (1) WO2019168776A1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023052592A1 (en) 2021-09-30 2023-04-06 Guerbet Injection device receiving a syringe

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CA3092063A1 (en) 2019-09-06
WO2019168776A1 (en) 2019-09-06
CN111770771B (zh) 2023-06-13
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