IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0572747
(2005-07-13)
|
등록번호 |
US-7784766
(2010-09-20)
|
우선권정보 |
IT-TO2004A0524(2004-07-27) |
국제출원번호 |
PCT/IB2005/002206
(2005-07-13)
|
§371/§102 date |
20080118
(20080118)
|
국제공개번호 |
WO06/013433
(2006-02-09)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Heslin Rothenberg Farley & Mesiti P.C.
|
인용정보 |
피인용 횟수 :
26 인용 특허 :
7 |
초록
▼
A valve connector for medical infusion lines includes an external tubular body with an inlet end and an outlet end, a hollow internal pin and an intermediate elastic sealing member 3 having a head with pre-slotting and an elastic hollow element abutted radially against the hollow pin. The hollow pin
A valve connector for medical infusion lines includes an external tubular body with an inlet end and an outlet end, a hollow internal pin and an intermediate elastic sealing member 3 having a head with pre-slotting and an elastic hollow element abutted radially against the hollow pin. The hollow pin has a closed terminal shaped, as a result of the insertion of a fluid introducer into the inlet end, in such a way as to make the elastic head assume an elastically deformed configuration without crossing the pre-slotting, which is opened to place in communication the inlet end with the outlet end through lateral holes of the hollow pin.
대표청구항
▼
The invention claimed is: 1. A valve connector for medical lines of infusion by means of a fluid introducer, comprising: a tubular body having a cavity, an inlet end adapted for the engagement of an introducer, and an outlet end; a hollow pin arranged axially within the cavity of the tubular body a
The invention claimed is: 1. A valve connector for medical lines of infusion by means of a fluid introducer, comprising: a tubular body having a cavity, an inlet end adapted for the engagement of an introducer, and an outlet end; a hollow pin arranged axially within the cavity of the tubular body and having a closed terminal oriented towards said inlet end of the tubular body and axially distanced therefrom, said hollow pin being in communication with the outlet end of the tubular body and having at least a lateral hole distanced from said terminal for communication with the cavity of said tubular body; an elastic sealing element, comprising: an elastic head having a pre-slotting and normally arranged in a closed condition within said inlet end of the tubular body, in which said pre-slotting is closed, and being axially movable against said terminal of the hollow pin by effect of the insertion of said introducer into the inlet end, to interact with said terminal assuming an elastically deformed open configuration in which the pre-slotting is opened, an elastic hollow element joined to said head and interposed between said tubular body and said hollow pin to isolate the cavity of said tubular body relative to said outlet end, said elastic hollow element defining an elastic thrust means tending to maintain said head in said closed condition and having an inner surface to contact said hollow pin to isolate said at least one lateral hole relative to the cavity of the tubular body when said head is in the aforesaid undeformed sealing condition; the terminal of the hollow pin being shaped to interact with the head of the elastic sealing element to cause said head to deform such that the pre-slotting is opened without being crossed by said terminal; said tubular body positively pressing said inner contact surface of the hollow element of the elastic sealing element against said hollow pin when said elastic head is in the aforesaid closed position; and wherein when said elastic head moves from the closed condition to the open configuration, said inner contact surface of the hollow element of the elastic sealing element opens communication between said at least one lateral hole of the hollow pin and the inlet end of the tubular body through said pre-slotting; wherein said hollow pin has at least an additional lateral hole axially distanced from said at least one lateral hole at the side of said outlet end of the tubular body. 2. The valve connector as claimed in claim 1, wherein said tubular body has an inner wall portion with conical surface against which contacts, in the aforesaid closed position of said elastic head, a complementary conical surface portion of the hollow element of the elastic sealing element. 3. The valve connector as claimed in claim 2, wherein said complementary conical surface portion of the hollow element of the elastic sealing element is pressed against said hollow pin, when said elastic head is in the aforesaid closed condition, also by the action of an axial pre-load of said hollow element. 4. The valve connector as claimed in claim 3, wherein said hollow element of the elastic sealing element has, in proximity to said elastic head, an outer arresting portion which, in said undeformed condition of sealing of said elastic head, faces a complementary inner arresting surface of the tubular body adjacent to said inlet end. 5. The valve connector as claimed in claim 4, wherein said outer arresting portion and said complementary inner arresting surface have conical shapes. 6. The valve connector as claimed in claim 1, wherein said terminal of the hollow pin has a plurality of axial projections angularly distanced and delimiting between them flow channels facing said head of the elastic sealing element. 7. The valve connector as claimed in claim 6, wherein said projections have ends for interacting with the head of the elastic sealing element having generally flat configuration. 8. The valve connector as claimed in claim 6, wherein said projections have ends for interacting with the head of the elastic sealing element having generally rounded configuration. 9. The valve connector as claimed in claim 6, wherein said elastic head is internally formed with axial flow channels. 10. The valve connector as claimed in claim 1, wherein said hollow element of the elastic sealing element comprises a generally cylindrical non corrugated body. 11. The valve connector as claimed in claim 10, wherein said generally cylindrical non corrugated body has a circular section. 12. The valve connector as claimed in claim 10, wherein said generally cylindrical non corrugated body has an elliptical section. 13. The valve connector as claimed in claim 10, wherein said generally cylindrical non corrugated body has a polygonal section. 14. The valve connector as claimed in claim 1, wherein said inner contact surface of the hollow element of the elastic sealing element is so shaped as to be applied radially against said at least one lateral hole of the hollow pin in its closed condition. 15. The valve connector as claimed in claim 14, wherein said hollow pin is formed, at said at least one lateral hole, with an outer annular throat. 16. The valve connector as claimed in claim 14, wherein said hollow element of the elastic sealing element has an annular bulge defining said inner contact surface. 17. The valve connector as claimed in claim 1, wherein said inner contact surface of the hollow element of the elastic sealing element is so shaped as to be applied radially at a region of said hollow pin situated between said at least one lateral hole and said terminal. 18. The valve connector as claimed in claim 17, wherein said hollow pin has an outer annular shoulder with conical surface and said inner contact surface of the hollow element of the elastic sealing element comprises an inner annular projection having a conical surface complementary to that of said outer annular shoulder. 19. The valve connector as claimed in claim 1, wherein said inlet end of the tubular body has a cylindrical inner surface. 20. The valve connector as claimed in claim 1, wherein said outlet end of the tubular body comprises a male Luer-Lock connection element, and said male Luer-Lock connection element is formed at least in part integrally with said hollow pin. 21. A valve connector for medical lines of infusion by means of a fluid introducer, comprising: a tubular body having a cavity, an inlet end adapted for the engagement of an introducer, and an outlet end; a hollow pin arranged axially within the cavity of the tubular body and having a closed terminal oriented towards said inlet end of the tubular body and axially distanced therefrom, said hollow pin being in communication with the outlet end of the tubular body and having at least a lateral hole distanced from said terminal for communication with the cavity of said tubular body; an elastic sealing element, comprising: an elastic head having a pre-slotting and normally arranged in a closed condition within said inlet end of the tubular body, in which said pre-slotting is closed, and being axially movable against said terminal of the hollow pin by effect of the insertion of said introducer into the inlet end, to interact with said terminal assuming an elastically deformed open configuration in which the pre-slotting is opened, an elastic hollow element joined to said head and interposed between said tubular body and said hollow pin to isolate the cavity of said tubular body relative to said outlet end, said elastic hollow element defining an elastic thrust means tending to maintain said head in said closed condition and having an inner surface to contact said hollow pin to isolate said at least one lateral hole relative to the cavity of the tubular body when said head is in the aforesaid undeformed sealing condition; the terminal of the hollow pin being shaped to cause the head of the elastic sealing element to assume said open configuration without crossing the pre-slotting; said tubular body positively pressing said inner contact surface of the hollow element of the elastic sealing element against said hollow pin when said elastic head is in the aforesaid closed position; and wherein when said elastic head moves from the closed condition to the open configuration, said inner contact surface of the hollow element of the elastic sealing element opens communication between said at least one lateral hole of the hollow pin and the inlet end of the tubular body through said pre-slotting; said inner contact surface of the hollow element of the elastic sealing element shaped so as to be applied radially at a region of said hollow pin situated between said at least one lateral hole and said terminal; and said hollow pin having an outer annular shoulder with conical surface and said inner contact surface of the hollow element of the elastic sealing element comprising an inner annular projection having a conical surface complementary to that of said outer annular shoulder. 22. A valve connector for medical lines of infusion by means of a fluid introducer, comprising: a tubular body having a cavity, an inlet end adapted for the engagement of an introducer, and an outlet end; a hollow pin arranged axially within the cavity of the tubular body and having a closed terminal oriented towards said inlet end of the tubular body and axially distanced therefrom, said hollow pin being in communication with the outlet end of the tubular body and having at least a lateral hole distanced from said terminal for communication with the cavity of said tubular body; an elastic sealing element, comprising: an elastic head having a pre-slotting and normally arranged in a closed condition within said inlet end of the tubular body, in which said pre-slotting is closed, and being axially movable against said terminal of the hollow pin by effect of the insertion of said introducer into the inlet end, to interact with said terminal assuming an elastically deformed open configuration in which the pre-slotting is opened, an elastic hollow element joined to said head and interposed between said tubular body and said hollow pin to isolate the cavity of said tubular body relative to said outlet end, said elastic hollow element defining an elastic thrust means tending to maintain said head in said closed condition and having an inner surface to contact said hollow pin to isolate said at least one lateral hole relative to the cavity of the tubular body when said head is in the aforesaid undeformed sealed condition; the terminal of the hollow pin being shaped to interact with the head of the elastic sealing element to cause said head to deform such that the pre-slotting is opened without being crossed by said terminal; said tubular body positively pressing said inner contact surface of the hollow element of the elastic sealing member against said hollow pin when said elastic head is in the aforesaid closed position; and wherein when said elastic head moves from the closed condition to the open configuration, said inner contact surface of the hollow element of the elastic sealing element opens communication between said at least one lateral hold of the hollow pin and the inlet end of the tubular body through said pre-slotting; wherein said inner contact surface of the hollow element of the elastic sealing member is so shaped as to be applied radially at a region of said hollow pin situated between said at least one lateral hole and said terminal; and wherein said hollow pin has an outer annular shoulder with conical surface and said inner contact surface of the hollow element of the elastic sealing element comprises an inner annular projection having a conical surface complementary to that of said outer annular shoulder.
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