RU2000100925A - DOSING DEVICE - Google Patents

DOSING DEVICE

Info

Publication number
RU2000100925A
RU2000100925A RU2000100925/14A RU2000100925A RU2000100925A RU 2000100925 A RU2000100925 A RU 2000100925A RU 2000100925/14 A RU2000100925/14 A RU 2000100925/14A RU 2000100925 A RU2000100925 A RU 2000100925A RU 2000100925 A RU2000100925 A RU 2000100925A
Authority
RU
Russia
Prior art keywords
piston rod
piston
rotation
dosing device
ampoule
Prior art date
Application number
RU2000100925/14A
Other languages
Russian (ru)
Other versions
RU2200588C2 (en
Inventor
Ларс Петер КЛИТМОСЕ
Хенрик АНДЕРСЕН
Пребен Бросков НИЕЛЬСЕН
Йохн Тране ХАНСЕН
Original Assignee
Ново Нордиск А/С
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 Ново Нордиск А/С filed Critical Ново Нордиск А/С
Priority claimed from PCT/DK1998/000251 external-priority patent/WO1998057688A1/en
Publication of RU2000100925A publication Critical patent/RU2000100925A/en
Application granted granted Critical
Publication of RU2200588C2 publication Critical patent/RU2200588C2/en

Links

Claims (6)

1. Дозирующее устройство для системы подачи лекарства типа, в котором конец штока поршня, содержащего первую (6) и вторую (9, 25) части, последовательно вдавливают в первый конец цилиндрической ампулы (1), в которой находится лекарство, вжимая поршень (2), закрывающий упомянутый первый конец ампулы (1), в нее для выдавливания лекарства через подающий элемент (4), установленный на втором конце ампулы (1), причем установку дозы производят вращением второй части штока поршня относительно первой части (6) упомянутого штока поршня, эти части соединяются на внутренней и наружной резьбах, имеющихся на соответствующих частях, при этом общая длина штока поршня увеличивается на величину, пропорциональную углу поворота второй части относительно первой части (6), при таком вращении второй части штырь, имеющийся на этой второй части (9, 25) штока поршня, отходит назад от стопорного положения, зафиксированного относительно корпуса (5), благодаря чему установленная доза подается при движении штыря обратно в стопорное положение, причем первая часть (6) штока поршня направлена в корпусе (5) с возможностью смещения вдоль оси без вращения, а вторая часть штока поршня, удаленная от поршня (2), установлена с возможностью вращения и смещения вдоль оси, отличающееся тек, что первая часть (6) штока поршня удерживается в соприкосновении с поршнем (2) в ампуле (1), вторая часть (9) штока поршня связана с шестерней (19, 32), зацепленной с зубьями шестерни (33) на барабане установки дозы (20) для вращения второй части (9, 25) штока поршня при повороте упомянутого барабана установки дозы, имеется механизм инъекции, содержащий кнопку (10), выполненную с возможностью перемещения между вытянутым положением и нажатым исходным положением, механизм инъекции имеет элементы, воздействующие на вторую часть (9, 25) штока поршня для перемещения этой второй части, при этом штырь на упомянутой второй части способен перемещаться в стопорное положение при переводе кнопки (10) в полностью нажатое исходное положение.1. A dosing device for a drug delivery system of the type in which the end of the piston rod containing the first (6) and second (9, 25) parts is successively pressed into the first end of the cylindrical ampoule (1) in which the medicine is located, pressing the piston (2 ) closing said first end of the ampoule (1) into it for squeezing the drug through the feeding element (4) mounted on the second end of the ampoule (1), and setting the dose by rotating the second part of the piston rod relative to the first part (6) of the said piston rod , these parts connect on internal and external threads available on the respective parts, while the total length of the piston rod increases by an amount proportional to the angle of rotation of the second part relative to the first part (6), with this rotation of the second part, the pin on this second part (9, 25) of the rod the piston, moves back from the locking position fixed relative to the housing (5), so that the established dose is supplied when the pin moves back to the locking position, and the first part (6) of the piston rod is directed into the housing (5) with the possibility of rotation along the axis without rotation, and the second part of the piston rod, remote from the piston (2), is installed with the possibility of rotation and displacement along the axis, characterized in that the first part (6) of the piston rod is held in contact with the piston (2) in the ampoule ( 1), the second part (9) of the piston rod is connected to the gear (19, 32) engaged with the gear teeth (33) on the dose setting drum (20) to rotate the second part (9, 25) of the piston rod when the said dose setting drum is rotated there is an injection mechanism comprising a button (10) adapted to be moved I am between the elongated position and the pressed starting position, the injection mechanism has elements acting on the second part (9, 25) of the piston rod to move this second part, while the pin on the said second part is able to move to the locking position when the button (10) is moved to fully pressed home position. 2. Дозирующее устройство по п.1, отличающееся тем, что резьбы являются несамотормозящими, шестерня (19), зацепленная с зубьями барабана установки дозы, блокируется от случайного поворота относительно корпуса (5), стопорное положение определяется конечным размещением поверхности (17) подъемного элемента (13), образующего часть механизма инъекции, причем подъемный элемент (13) выполнен с возможностью возвратно-поступательного перемещения между фиксированными конечными положениями, а упомянутый штырь на второй части (9) штока поршня может представлять собой вершину (18), выступающую из торца упомянутой второй части (9) штока поршня, причем вершина (18), контактирующая с упомянутой поверхностью (17), образует точку, вокруг которой можно вращать вторую часть (9) штока, поршня, если блокировка такого вращения отсутствует. 2. Dosing device according to claim 1, characterized in that the threads are non-self-locking, the gear (19) engaged with the teeth of the dose setting drum is blocked from accidental rotation relative to the housing (5), the locking position is determined by the final placement of the surface (17) of the lifting element (13) forming part of the injection mechanism, the lifting element (13) being made with the possibility of reciprocating movement between the fixed end positions, and said pin on the second part (9) of the piston rod may apex (18) protruding from the end face of said second part (9) of the piston rod, and a vertex (18) in contact with said surface (17) forms a point around which the second part (9) of the piston rod can be rotated if there is no blockage of such rotation. 3. Дозирующее устройство по п.2, отличающееся тем, что соединение колпачка, закрывающего ампулу (1), выполнено с возможностью отталкивания штока поршня от поршня (2), разблокирования барабана (20) установки дозы, обеспечивая его вращение, и перемещения второй части (9) штока поршня в сторону упомянутой поверхности (17) подъемного элемента для контактирования вершины штыря (18) этой второй части (9) с упомянутой поверхностью (17), когда колпачок открывают. 3. The dosing device according to claim 2, characterized in that the connection of the cap covering the ampoule (1) is made with the possibility of pushing the piston rod away from the piston (2), unlocking the dose setting drum (20), ensuring its rotation, and moving the second part (9) a piston rod toward said surface (17) of the lifting member for contacting the top of the pin (18) of this second part (9) with said surface (17) when the cap is opened. 4. Дозирующее устройство по п.1, отличающееся тем, что соединительная резьба (47) самотормозящая, стопорное положение определяется поперечиной (29), закрепленной в корпусе, причем к этой поперечине (29) примыкает фланец (28), прикрепленный к упомянутой второй части (25) штока поршня, а элемент в виде гайки (27) имеет такую конструкцию, что его резьба может быть свободной от сцепления с резьбой (47) на второй части (25) штока поршня. 4. Dosing device according to claim 1, characterized in that the connecting thread (47) is self-braking, the locking position is determined by a cross member (29) fixed in the housing, and a flange (28) attached to the second part adjoins this cross member (29) (25) of the piston rod, and the element in the form of a nut (27) has such a design that its thread can be free from engagement with the thread (47) on the second part (25) of the piston rod. 5. Дозирующее устройство по п.4, отличающееся тем, что элемент в виде гайки (27) имеет два отверстия, расположенные под углом друг к другу, в одном отверстии имеется внутренняя резьба, взаимодействующая с наружной резьбой (47) второй части (25) штока поршня, а второе отверстие гладкое, способное скользить по резьбе (47) второй части (25) штока поршня, причем элемент в виде гайки (27) установлен с возможностью наклона на первой части (6) штока поршня, благодаря чему резьбовое отверстие концентрично второй части (25) штока поршня в процессе установки дозы и инъекции, и оно расположено под углом, когда элемент в виде гайки (27) приводят в положение, когда гладкое отверстие располагается концентрично упомянутой второй части (25) поршня. 5. Dosing device according to claim 4, characterized in that the nut-shaped element (27) has two holes located at an angle to each other, in one hole there is an internal thread interacting with the external thread (47) of the second part (25) the piston rod, and the second hole is smooth, able to slide along the thread (47) of the second part (25) of the piston rod, and the element in the form of a nut (27) is mounted with the possibility of tilting on the first part (6) of the piston rod, so that the threaded hole is concentric with the second parts (25) of the piston rod during dose setting and and ektsii, and it is disposed at an angle when in the form of a nut element (27) is brought into a position where a smooth bore located concentrically of said second portion (25) of the piston. 6. Дозирующее устройство по п.5, отличающееся тем, что соединение колпачка, закрывающего ампулу, выполнено с возможностью отталкивания штока поршня от поршня, воздействуя на элемент в виде гайки (27), наклоняя этот элемент для приведения гладкого отверстия в положение, концентричное упомянутой второй части (25) штока поршня в процессе открывания колпачка. 6. Dosing device according to claim 5, characterized in that the connection of the cap covering the ampoule is made with the possibility of pushing the piston rod away from the piston, acting on the element in the form of a nut (27), tilting this element to bring the smooth hole to the position concentric with the aforementioned the second part (25) of the piston rod in the process of opening the cap.
RU2000100925/14A 1997-06-17 1998-06-15 Dosing apparatus RU2200588C2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DK70697 1997-06-17
DK0706/97 1997-06-17
US5099397P 1997-06-19 1997-06-19
US60/050,993 1997-06-19
PCT/DK1998/000251 WO1998057688A1 (en) 1997-06-17 1998-06-15 Dose setting device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
RU2000126851/14A Division RU2000126851A (en) 1997-06-17 2000-10-25 INJECTION DEVICE

Publications (2)

Publication Number Publication Date
RU2000100925A true RU2000100925A (en) 2001-10-20
RU2200588C2 RU2200588C2 (en) 2003-03-20

Family

ID=26064493

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000100925/14A RU2200588C2 (en) 1997-06-17 1998-06-15 Dosing apparatus

Country Status (21)

Country Link
US (1) US6796970B1 (en)
EP (1) EP0991442B1 (en)
JP (2) JP2002514959A (en)
KR (2) KR100486374B1 (en)
CN (2) CN1165350C (en)
AT (1) ATE251925T1 (en)
AU (1) AU746843B2 (en)
BR (1) BR9810039A (en)
CA (2) CA2294638C (en)
CZ (1) CZ2000759A3 (en)
DE (1) DE69818997T2 (en)
DK (1) DK0991442T3 (en)
ES (1) ES2209153T3 (en)
HU (1) HU222557B1 (en)
IL (2) IL135079A0 (en)
NO (2) NO996239L (en)
PL (1) PL188772B1 (en)
RU (1) RU2200588C2 (en)
UA (2) UA52750C2 (en)
WO (1) WO1998057688A1 (en)
ZA (2) ZA985248B (en)

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