[특허]Bellows syringe fluid delivery system

Bayer Medical Care Inc.

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특허 상세정보

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Bellows syringe fluid delivery system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/178 A61M-037/00 A61M-005/24 A61M-005/145 A61M-005/148
출원번호	US-0834624 (2013-03-15)
등록번호	US-9180252 (2015-11-10)
발명자 / 주소	Gelblum, Eugene A Denesvich, Jill Rhinehart, Edward J Tucker, Barry L Trocki, Mark Puskar-Pascewicz, John Beale, Matthew Sass, Matthew
출원인 / 주소	Bayer Medical Care Inc.
대리인 / 주소	Kent, Joseph L.
인용정보	피인용 횟수 : 4 인용 특허 : 91

초록
▼

A bellows assembly for a fluid delivery system is a multi-component device that includes a cylindrical pressure jacket and a bellows syringe that is received within the pressure jacket. The bellows syringe includes a cap member and a bellows member. The bellows syringe in one embodiment is adapted to be secured to the pressure jacket by the cap member. The cap member is formed with a discharge port, which may be formed as conventional luer fitting. The discharge port is disposed coaxially within an annular wall on the outward facing side of the cap member and may be recessed within the annular wall. The bellows member is a hollow body that includes a series of bellows sections or rings. A distal end of the bellow member is formed with a discharge neck terminating in a discharge port, and the proximal end is formed with a closed end wall.

대표
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1. A bellows syringe for a fluid delivery system, the bellows syringe comprising: a cap member defining an internal cavity and a discharge port, the cap member further comprising a depending skirt portion;a bellows member disposed in the internal cavity and held in a compressed state in the internal cavity; anda base member,wherein the bellows member is held in the compressed state in the internal cavity by engagement between at least one retaining tab provided on one of the cap member and the base member and engaged with at least one catch member on the other of the cap member and the base member,and wherein the base member is adapted for connection to a piston head of a piston element of an injector. 2. The bellows syringe of claim 1, wherein the at least one retaining tab comprises a plurality of retaining tabs engaged with a plurality of catch members, respectively, to hold the bellows member in the compressed state in the internal cavity. 3. The bellows syringe of claim 1, wherein a proximal end of the bellows member is closed and a distal end of the bellows member defines a discharge port in fluid communication with the cap member discharge port, and wherein the base member comprises at least one attachment element to attach to the piston head of the piston element. 4. The bellows syringe of claim 3, wherein the base member further comprises an annular portion and the at least one attachment element is disposed in the annular portion. 5. The bellows syringe of claim 1, wherein the base member comprises a plate portion and a central portion, and wherein one of the skirt portion and the plate portion comprises a plurality of retaining tabs engaged with a plurality of catch members provided on the other of the skirt portion and the plate portion to hold the bellows member in the compressed state in the internal cavity. 6. The bellows syringe of claim 5, wherein the central portion defines a circumferential groove and the bellows member comprises a cooperating rib engaging the circumferential groove for securing the plate portion to a proximal end of the bellows member. 7. The bellows syringe of claim 5, wherein the central portion defines an end pocket for receiving the piston head of the piston element, and wherein the end pocket comprises at least one internal element to engage the piston head. 8. A bellows assembly for association with a fluid delivery system, the bellows assembly comprising: a pressure jacket having a distal end and a proximal end and defining a throughbore therebetween; anda bellows syringe adapted for connection to the distal end of the pressure jacket, the bellows syringe comprising: a cap member defining an internal cavity and a discharge port, the cap member further comprising a depending skirt portion;a bellows member disposed in the internal cavity and held in a compressed state in the internal cavity; anda base member,wherein the bellows member is held in the compressed state in the internal cavity by engagement between at least one retaining tab provided on one of the cap member and the base member and engaged with at least one catch member on the other of the cap member and the base member. 9. The bellows assembly of claim 8, wherein the at least one retaining tab comprises a plurality of retaining tabs engaged with a plurality of catch members, respectively, to hold the bellows member in the compressed state in the internal cavity. 10. The bellows assembly of claim 8, wherein a proximal end of the bellows member is closed and a distal end of the bellows member defines a discharge port in fluid communication with the cap member discharge port, and wherein the base member comprises at least one attachment element to attach to a piston head of a piston element operable in the throughbore of the pressure jacket. 11. The bellows assembly of claim 10, wherein the base member further comprises an annular portion and the at least one attachment element is disposed in the annular portion. 12. The bellows assembly of claim 8, wherein the base member comprises a plate portion and a central portion, and wherein one of the skirt portion and the plate portion comprises a plurality of retaining tabs engaged with a plurality of catch members provided on the other of the skirt portion and the plate portion to hold the bellows member in the compressed state in the internal cavity. 13. The bellows assembly of claim 12, wherein the central portion defines a circumferential groove and the bellows member comprises a cooperating rib engaging the circumferential groove for securing the plate portion to a proximal end of the bellows member. 14. The bellows assembly of claim 12, wherein the central portion defines an end pocket for receiving a piston head of a piston element, and wherein the end pocket comprises at least one internal element to engage the piston head. 15. The bellows assembly of claim 12, wherein the distal end of the pressure jacket comprises a plurality of tab members each defining a slot, and wherein the plate portion is adapted to engage the slots to secure the bellows syringe to the pressure jacket. 16. A fluid delivery system comprising: a fluid injector comprising a reciprocally operable piston element having a piston head;a pressure jacket having a distal end and a proximal end and defining a throughbore therebetween, the pressure jacket proximal end engaged with the fluid injector such that the piston element is operable in the throughbore; anda bellows syringe adapted for connection to the distal end of the pressure jacket, the bellows syringe comprising: a cap member defining an internal cavity and a discharge port, the cap member further comprising a depending skirt portion;a bellows member disposed in the internal cavity and held in a compressed state in the internal cavity; anda base member,wherein the bellows member is held in the compressed state in the internal cavity by engagement between at least one retaining tab provided on one of the cap member and the base member and engaged with at least one catch member on the other of the cap member and the base member. 17. The fluid delivery system of claim 16, wherein the at least one retaining tab comprises a plurality of retaining tabs engaged with a plurality of catch members, respectively, to hold the bellows member in the compressed state in the internal cavity. 18. The fluid delivery system of claim 16, wherein a proximal end of the bellows member is closed and a distal end of the bellows member defines a discharge port in fluid communication with the cap member discharge port, and wherein the base member comprises at least one attachment element to attach to the piston head of the piston element operable in the throughbore of the pressure jacket. 19. The fluid delivery system of claim 18, wherein the base member further comprises an annular portion and the at least one attachment element is disposed in the annular portion. 20. The fluid delivery system of claim 16, wherein the base member comprises a plate portion and a central portion, and wherein one of the skirt portion and the plate portion comprises a plurality of retaining tabs engaged with a plurality of catch members provided on the other of the skirt portion and the plate portion to hold the bellows member in the compressed state in the internal cavity. 21. The fluid delivery system of claim 20, wherein the central portion defines a circumferential groove and the bellows member comprises a cooperating rib engaging the circumferential groove for securing the plate portion to a proximal end of the bellows member. 22. The fluid delivery system of claim 20, wherein the central portion defines an end pocket for receiving the piston head of the piston element, and wherein the end pocket comprises at least one internal element to engage the piston head. 23. The fluid delivery system of claim 20, wherein the distal end of the pressure jacket comprises a plurality of tab members each defining a slot, and wherein the plate portion is adapted to engage the slots to secure the bellows syringe to the pressure jacket.

이 특허에 인용된 특허 (91)

이 특허를 인용한 특허 피인용횟수: 4

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Bellows syringe fluid delivery system

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Bellows syringe fluid delivery system

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이 특허에 인용된 특허 (91)

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