[특허]Cap assembly for use with a prefilled lock solution syringe

Cap assembly for use with a prefilled lock solution syringe 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-025/16 A61M-025/18
출원번호	US-0334471 (2011-12-22)
등록번호	US-8496643 (2013-07-30)
발명자 / 주소	Chebator, Casey Chelak, Todd
출원인 / 주소	Covidien LP
대리인 / 주소	Winsor, Esq., Lisa E.
인용정보	피인용 횟수 : 0 인용 특허 : 47

초록 ▼

A cap assembly is disclosed for use with a lock solution delivery device. The cap assembly includes a housing defining a receptacle and having an inlet end and an outlet end. A plunger is movable axially within the receptacle from a retracted position to an advanced position and is rotatably supported within the receptacle from a first position to a second position. The plunger includes an axial extension configured to non-rotatably engage a syringe connected to the inlet end of the housing. The plunger is positioned to move from the first position to the second position in response to rotatable detachment of a syringe from the inlet end of the housing.

대표청구항 ▼

1. A cap assembly comprising: a housing defining a receptacle and including an inlet opening and an outlet opening;a plunger movably positioned within the receptacle from a first position to a second position and to a third position, the plunger defining a fluid flow path between the inlet opening and the outlet opening when the plunger is in the first position and obstructing fluid flow between the inlet opening and the outlet opening when the plunger is in the third position, the plunger being positioned and configured to engage a syringe through the inlet opening; anda biasing member positioned to urge the plunger towards the third position;wherein the plunger is configured to force fluid from the receptacle through the fluid outlet when the plunger moves from the second position to the third position. 2. The cap assembly according to claim 1, wherein the housing and the plunger include engaging structure to prevent movement of the plunger towards the third position when the plunger is in the first position. 3. The cap assembly according to claim 2, wherein the engaging structure includes at least one protrusion formed on the plunger and an annular shoulder formed on the housing. 4. A cap assembly comprising: a housing defining a receptacle and including an inlet opening and an outlet opening;a plunger movably positioned within the receptacle from a first position to a second position and to a third position, the plunger defining a fluid flow path between the inlet opening and the outlet opening when the plunger is in the first position and obstructing fluid flow between the inlet opening and the outlet opening when the plunger is in the third position, the plunger being positioned and configured to engage a syringe through the inlet opening; anda biasing member positioned to urge the plunger towards the third position;wherein the plunger is configured to force fluid from the receptacle through the fluid outlet when the plunger moves from the second position to the third position, the housing and the plunger including engaging structure to prevent movement of the plunger towards the third position when the plunger is in the first position, the engaging structure including at least one protrusion formed on the plunger and an annular shoulder formed on the housing;wherein the annular shoulder defines at least one slot which is dimensioned to receive the at least one protrusion to facilitate movement of the plunger towards the third position, the at least one protrusion and the at least one slot being misaligned when the plunger is in the first position and aligned when the plunger is in the second position. 5. The cap assembly according to claim 4, wherein the plunger is rotatably movable between the first and second positions and axially movable between the second and third positions. 6. The cap assembly according to claim 5, wherein an inlet end of the housing defining the inlet opening is adapted to releasably engage a syringe and an outlet end of the housing defining the outlet opening is adapted to releasably engage an indwelling catheter assembly. 7. The cap assembly according to claim 6, wherein the plunger includes an axial extension which is configured to non-rotatably engage a distal end of a syringe such that when the syringe is disengaged from the inlet end of the housing, the plunger is moved from the first position to the second position. 8. The cap assembly according to claim 7, wherein the axial extension defines a fluid channel. 9. The cap assembly according to claim 8, further including a resilient valve member formed on the axial extension adjacent an outlet end of the fluid channel of the axial extension. 10. The cap assembly according to claim 4, wherein the at least one protrusion includes a plurality of radially extending fingers formed on the plunger, each of the radially extending fingers being aligned with a respective one of the at least one slot when the plunger is in the second position. 11. The cap assembly according to claim 1, wherein the plunger is rotatably movable between the first and second positions and axially movable between the second and third positions. 12. The cap assembly according to claim 11, wherein an inlet end of the housing defining the inlet opening is adapted to releasably engage a syringe and an outlet end of the housing defining the outlet opening is adapted to releasably engage an indwelling catheter assembly. 13. The cap assembly according to claim 12, wherein the plunger includes an axial extension which is configured to engage a distal end of a syringe such that when the syringe is disengaged from the inlet end of the housing, the plunger is moved from the first position to the second position. 14. A cap assembly according to claim 11, wherein the plunger is adapted to be movable from the first position to the second position in response to disengagement of a syringe from the housing. 15. The cap assembly according to claim 1, wherein the biasing member is a coil spring. 16. The cap assembly according to claim 1, wherein the plunger is rotatably positioned within the housing and is adapted to rotate between the first position and the second position.

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파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오.

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A	생활필수품
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Cap assembly for use with a prefilled lock solution syringe 원문보기

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Cap assembly for use with a prefilled lock solution syringe 원문보기

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