IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0035030
(2005-01-13)
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등록번호 |
US-7749200
(2010-07-26)
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우선권정보 |
DE-102 32 412(2002-07-17) |
발명자
/ 주소 |
- Graf, Roney
- Kirchhofer, Fritz
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
9 인용 특허 :
14 |
초록
▼
An administering apparatus for administering a fluid product, including a casing, a reservoir for the product, a driven device which acts on the product contained in the reservoir to deliver the product, and a drive device which acts on the driven device and performs a delivery stroke in a drive dir
An administering apparatus for administering a fluid product, including a casing, a reservoir for the product, a driven device which acts on the product contained in the reservoir to deliver the product, and a drive device which acts on the driven device and performs a delivery stroke in a drive direction from a delivery position up to a delivery stopper to deliver a product dosage to be administered, wherein a priming stopper is provided for the drive device and limits a priming stroke of the drive device, which serves to bleed, in the drive direction, wherein the priming stroke is axially shorter than a maximum delivery stroke, and wherein the drive device can be moved in the drive direction from a priming position up to the priming stopper and transversely to the drive direction as far as the delivery position.
대표청구항
▼
The invention claimed is: 1. An administering apparatus for administering a fluid product, comprising: a) a casing comprising a reservoir for the product; b) a driven device which acts on the product contained in the reservoir, in order to deliver the product; and c) a drive device which acts on th
The invention claimed is: 1. An administering apparatus for administering a fluid product, comprising: a) a casing comprising a reservoir for the product; b) a driven device which acts on the product contained in the reservoir, in order to deliver the product; and c) a drive device which acts on the driven device and performs a delivery stroke in a drive direction from a delivery position up to a delivery stopper, in order to deliver a product dosage to be administered; wherein d) a priming stopper is provided for the drive device and limits a priming stroke of the drive device, which serves to bleed, in the drive direction, wherein the priming stroke is axially shorter than a maximum delivery stroke, and wherein the drive device can be moved in the drive direction from a priming position to the priming stopper, and transversely to the drive direction in the delivery position, and the drive device is moveable from the delivery position to the priming position; e) a dosing member comprising two dosing bodies nested and connected to each other, one of which forms a sleeve-shaped, cylindrical outer dosing body and the other of which forms a sleeve-shaped, cyclindrical inner dosing body, wherein the outer dosing body concentrically surrounds the inner dosing body, between which a circumferential gap remains, into which the casing protrudes, and wherein a guiding curve is formed on a surface of the inner dosing body; and f) an engaging member formed by the drive device, which serves as a priming counter stopper and engages with the guiding curve forming the priming stopper, wherein the guiding curve comprises a first guiding section, a second guiding section parallel to the first guiding section and a connecting section which extends in the circumferential direction to connect a rear end of the first guiding section and a rear end of the second guiding section to each other. 2. The administering apparatus as set forth in claim 1, the inner dosing body further comprising another stopper which defines the delivery position and limits the movement of the drive device from the priming position to the delivery position. 3. The administering apparatus as set forth in claim 2, wherein the inner dosing body further comprises a third stopper, which defines the priming position and limits rotational movement of the drive device to the priming position. 4. The administering apparatus as set forth in claim 3, wherein the movement of the drive device from the priming position to the delivery position is a rotational movement about a rotational axis pointing in the drive direction. 5. The administering apparatus as set forth in claim 1, wherein the inner dosing body forms a dosing stopper for the drive device, and wherein the dosing member is moveably coupled to the casing by a swivel joint for axially adjusting the dosing stopper in or counter to the drive direction. 6. The administering apparatus as set forth in claim 1, wherein the guiding curve and the priming counter stopper are formed on mutually facing surface areas. 7. The administering apparatus as set forth in claim 6, wherein the drive device and the casing are engaged via the guiding curve and the priming counter stopper to define the priming stroke. 8. The administering apparatus as set forth in claim 1, wherein the engaging member can only engage with one of the guiding sections at a time and can be moved from one guiding section to the other via the connecting section of the guiding curve. 9. The administering apparatus as set forth in claim 1, wherein the inner dosing body of the dosing member forms a dosing stopper and performs a dosing movement relative to the casing, which adjusts a distance between the delivery stopper and the dosing stopper which, measured in the drive direction, defines the length of the delivery stroke. 10. The administering apparatus as set forth in claim 9, wherein the drive device can be moved counter to the drive direction up to the dosing stopper. 11. The administering apparatus as set forth in claim 9, wherein the dosing movement of the dosing member comprises a translational movement in or counter to the drive direction. 12. The administering apparatus as set forth in claim 11, wherein the dosing movement of the dosing member is a combination of a translational movement in or counter to the drive direction and a rotational movement about a rotational axis pointing in the drive direction. 13. The administering apparatus as set forth in claim 1, wherein one of the dosing bodies is in threaded engagement with the casing about a rotational axis extending in the drive direction, and the other is at least translationally slaved by a rotational movement about the rotational axis. 14. The administering apparatus as set forth in claim 13, wherein the drive device comprises a drive member and an operating element which are connected to each other such that they are secured against shifting in and counter to the drive direction and can rotate relative to each other about a rotational axis pointing in the drive direction, wherein the drive member engages with the driven device in order to slave the driven device when the drive device moves in the drive direction, and the operating element serves to operate the drive device. 15. The administering apparatus as set forth in claim 14, wherein the operating element forms a priming counter stopper for the priming stopper. 16. The administering apparatus as set forth in claim 15, wherein the driven device comprises a piston which can be moved in the reservoir towards an outlet of the reservoir to deliver product, and a piston rod which engages with the drive device, the piston rod comprising at least one row of teeth extending axially, and the drive device comprising slaving means engaging the at least one row of teeth whereby the drive device slaves the driven device in the drive direction. 17. The administering apparatus as set forth in claim 1, wherein the administering apparatus is an injection apparatus comprising an injection cannula of at most 30 gauge, preferably 31 or 32 gauge, or an injection cannula having an outer diameter of at most 320 μm and an inner diameter not specified in ISO 9626, wherein the wall thickness is thinner than is specified in ISO 9626. 18. The administering apparatus according to claim 1, wherein the priming stroke is at least twenty times shorter than the maximum delivery stroke. 19. An administering apparatus for administering a fluid product, comprising: a) a casing comprising a reservoir for the product; b) a driven device which acts on the product contained in the reservoir to administer the product; c) a drive device which acts on the driven device and performs a delivery stroke in a drive direction from a delivery position to a delivery stopper to deliver a product dosage to be administered; d) a dosing member, comprising a dosing stopper, for performing a dosing movement relative to the casing and adjusting a distance between the delivery stopper and the dosing stopper thereby defining the length of the delivery stroke, wherein the dosing member comprises two dosing bodies immovably connected to each other, one of which forms a cylindrical, sleeve-shaped inner dosing body and the other of which forms a cylindrical, sleeve-shaped outer dosing body, between which a gap remains into which the casing protrudes, wherein the inner dosing body forms the dosing stopper; e) a priming stopper for the drive device to limit a priming stroke, the priming stopper comprising a guiding curve formed on a surface of the inner dosing body, wherein the guiding curve comprises a first guiding section, a second guiding section parallel to the first guiding section and a connecting section which extends generally circumferentially and connects a rear end of the first guiding section and a rear end of the second guiding section, and wherein the connecting section comprises a front guiding wall which leads from the priming stopper obliquely to the second guiding section; f) a priming counter stopper comprising an engaging member, said engaging member formed by a portion of an operating element of the drive device; and g) the priming stroke defined at least in part by the priming stopper that limits a movement of the priming counter stopper in the drive direction, wherein the priming stroke is axially shorter than a maximum delivery stroke, and wherein the drive device is moveable in the drive direction from a priming position to the priming stopper, and transversely to the drive direction in the delivery position, and the drive device is moveable from the delivery position to the priming position. 20. The administering apparatus according to claim 19, wherein the reservoir for the product is a disposable module. 21. The administering apparatus as set forth in claim 19, wherein the movement of the drive device from the priming position to the delivery position is a rotational movement about a rotational axis extending along the drive direction. 22. The administering apparatus as set forth in claim 19, wherein the inner dosing body which forms the dosing stopper for the drive device is moveably coupled to the casing by a swivel joint for axially adjusting the dosing stopper in or counter to the drive direction. 23. The administering apparatus as set forth in claim 19, wherein the guiding curve and the priming counter stopper are formed on mutually facing surface areas. 24. The administering apparatus as set forth in claim 19, wherein the drive device and the casing are engaged via the guiding curve and the priming counter stopper to define the priming stroke. 25. The administrating apparatus as set forth in claim 19, wherein one of the first guiding section and the second guiding section is a delivery guiding section comprising a delivery groove and the other guiding section is a priming guiding section comprising a priming groove, wherein the delivery groove is longer than the priming groove. 26. The administering apparatus as set forth in claim 19, wherein the engaging member can only engage with one of the guiding sections at a time and can be moved from one guiding section to the other via the connecting section of the guiding curve. 27. The administering apparatus as set forth in claim 19, wherein the drive device comprises a drive member and the operating element connected to each other such that they are secured against shifting in and counter to the drive direction and can rotate relative to each other about a rotational axis extending in the drive direction, wherein the drive member engages with the driven device to slave the driven device when the drive device moves in the drive direction, and wherein the operating element serves to operate the drive device. 28. The administering apparatus as set forth in claim 27, wherein the drive device can be moved counter to the drive direction up to the dosing stopper. 29. The administering apparatus as set forth in claim 28, wherein the dosing movement of the dosing member comprises a translational movement in or counter to the drive direction. 30. The administering apparatus as set forth in claim 29, wherein the dosing movement of the dosing member is a combination of a translational movement in or counter to the drive direction and a rotational movement about a rotational axis extending in the drive direction. 31. The administering apparatus as set forth in claim 30, wherein one of the dosing bodies is in threaded engagement with the casing about a rotational axis pointing in the drive direction, and the other is at least translationally slaved by a rotational movement about the rotational axis. 32. The administering apparatus as set forth in claim 31, wherein the driven device comprises a piston which can be moved in the reservoir towards an outlet of the reservoir, to deliver product, and a piston rod which engages with the drive device. 33. The administering apparatus as set forth in claim 32, wherein the piston rod comprises at least one row of teeth extending axially, and the drive device comprises at least one slaving means which engages with the at least one row of teeth, so that the drive device slaves the driven device in the drive direction. 34. The administering apparatus as set forth in claim 33, wherein the administering apparatus is an injection apparatus comprising an injection cannula of at most 30 gauge, preferably 31 or 32 gauge, or an injection cannula having an outer diameter of at most 320 μm and an inner diameter not specified in ISO 9626, wherein the wall thickness is thinner than is specified in ISO 9626. 35. The administrating apparatus as set forth in claim 1, wherein one of the first guiding section and the second guiding section is a delivery guiding section comprising a delivery groove and the other guiding section is a priming guiding section comprising a priming groove, wherein the delivery groove is longer than the priming groove.
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