RU-2024128023-A - DRUG DELIVERY DEVICE

Inventors

• ГАО, Пэнтао
• ВЭН, Цзяньсэнь

Assignees

• ЧЖЕЦЗЯН САММЕД МЕДТЕХ КО., ЛТД.

Dates

Publication Date

20260505

Application Date

20230629

Claims (12)

1. 1. A drug delivery device, characterized in that the drug delivery device includes:
2. a cap-handle (1), wherein said cap-handle (1) is fixedly provided with a medicine delivery mechanism (101) on the right side surface, said medicine delivery mechanism (101) is fixedly provided with a dose adjustment mechanism (201) on the right end surface, said cap-handle (1) is provided with a ratchet sleeve (11) on the inner wall of the right end of the cap-handle (1), and a drive ratchet (10) is provided on the inner wall of said ratchet sleeve (11);
3. the drug delivery mechanism (101) also includes a delivery portion and a connecting portion, wherein the delivery portion is connected to the connecting portion in a lateral direction;
4. further, the connecting part includes a handle rod (14), wherein the left side of the handle rod (14) and the right side of the handle cap (1) are connected through the said ratchet sleeve (11), the handle rod (14) is provided with a drive rod (6) inside, wherein the drive rod (6) is also provided with a pusher (12) inside, wherein the pusher (12) is slidably connected to the drive rod (6) on its side and the pusher (12) on its side is laterally connected to the side of the said drive ratchet (10), the said drive rod (6) is provided with a coil spring (5) on the left end surface, the said coil spring (5) is connected to the right end surface of the ratchet sleeve (11) on the left end surface, the said handle rod (14) is provided with a graduated sleeve (13) on the inner side of the handle rod. (14), said coil spring (5) is connected to the inner wall of said graduated sleeve (13) on the right end surface of said coil spring (5), said graduated sleeve (13) is slidingly connected to the inner wall of said handle rod (14) and said graduated sleeve (13) inside, the right end of said coil spring (5) is connected to the inner wall of said graduated sleeve (13), and the side of said graduated sleeve (13) is slidingly connected to the inner wall of said handle rod (14);
5. said dose adjustment mechanism (201) further includes an adjustment portion and an observation portion, wherein the adjustment portion in the lateral direction and the observation portion in the lateral direction are connected; and
6. said adjusting part also includes a rotary handle (16), the left end surface of which is connected to the right side surface of the handle rod (14).
7. 2. A device for delivering medications according to claim 1, characterized in that said rotary handle (16) is provided with a button (8) on the right end surface, said button (8) passes through said rotary handle (16) on the left end surface to the inner side of said drive rod (6), said button (8) is movably connected to the inner wall of said rotary handle (16) and said button (8) is in hermetically sealed contact with the side and inside of said rotary handle (16).
8. 3. A device for delivering medications according to paragraph 2, characterized in that a return spring (7) is fixedly mounted on the surface of said drive rod (6), and the left end surface of said button (8) is in sealed extruded contact with the inner wall of said drive rod (6).
9. 4. A drug delivery device according to paragraph 3, characterized in that a locking ring (15) is provided on the inner wall of the right end of said handle rod (14), the side of said drive rod (6) is slidingly connected to the inner wall of said locking ring (15), and the right end surface of said return spring (7) is connected to the inner wall of said locking ring (15).
10. 5. A drug delivery device according to claim 1, characterized in that the cap (1) is fixedly connected to the drug cartridge (2) on the inner wall, the drug cartridge (2) is connected to the cassette bottle (3) on the inner wall, and the drug cartridge (2) is movably connected to the surface of the cassette bottle (3) on the inner wall.
11. 6. A device for delivering medications according to paragraph 5, characterized in that the inner wall of the right end of said cassette bottle (3) is provided with a rubber stopper (4), the right side surface of said rubber stopper (4) is provided with a pusher washer (9), and the left end surface of said pusher (12) is in extrusion contact with the right side surface of said rubber stopper (4).
12. 7. A drug delivery device according to claim 1, characterized in that the cap-handle (1) is provided with a holder (17) on the upper surface.