IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0463692
(2009-05-11)
|
등록번호 |
US-8133209
(2012-03-13)
|
우선권정보 |
IT-TO2008A0381 (2008-05-21) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
21 인용 특허 :
1 |
초록
▼
Valve connector for infusion medical lines including an external tubular body (1) with an inlet end (4) and an outlet end (10), an internal hollow spike (2) and an intermediate sealing member (3) including an elastic head (35) with pre-slit (38) and an elastic hollow element (36) formed with sealing
Valve connector for infusion medical lines including an external tubular body (1) with an inlet end (4) and an outlet end (10), an internal hollow spike (2) and an intermediate sealing member (3) including an elastic head (35) with pre-slit (38) and an elastic hollow element (36) formed with sealing members (47, 48) in contact with the hollow spike (2) and with an elastic thrust means tending to maintain the elastic head (35) in a closure condition. An annular member (55) surrounds the elastic hollow element (36) and it axially slides into the tubular body (1) due to the movement of the elastic head (35) between the closure condition and the opening condition of the connector.
대표청구항
▼
1. Valve connector for medical lines for infusion by means of a fluid introducer, comprising: a tubular body having an inlet end designed for the engagement of the introducer, and an outlet end,a hollow spike arranged axially into the cavity of the tubular body and having a closed tip facing said in
1. Valve connector for medical lines for infusion by means of a fluid introducer, comprising: a tubular body having an inlet end designed for the engagement of the introducer, and an outlet end,a hollow spike arranged axially into the cavity of the tubular body and having a closed tip facing said inlet end of the tubular body and axially spaced from the latter, said hollow spike being in communication with said outlet end and having a lateral hole spaced from said closed tip for communication with the cavity of said tubular body, anda sealing member including:an elastic head having a pre-slit and normally arranged in a closure condition in said inlet end of the tubular body, wherein said pre-slit is closed, said elastic head being axially moveable against said closed tip of the hollow spike, upon insertion of said introducer into said inlet end, for interacting with said closed tip taking an elastically deformed condition of opening of said pre-slit,an elastic hollow element joined to said head, interposed between said tubular body and said hollow spike and having sealing means in contact with said hollow spike for isolating said lateral hole with respect to the cavity of the tubular body when said head is arranged in the abovementioned undeformed closure condition, said elastic hollow element including an elastic thrust means tending to maintain said head in said closure condition and comprising a base part of said sealing member, having a generally cylindrical axial wall radially spaced from said hollow spike so as to define with the latter an annular chamber; said base part being joined to said elastic hollow element through a generally transverse annular wall which, during the axial movement of said elastic head from said closure condition towards said opening condition, bends inside said annular chamber, and said sealing means of the elastic hollow element including an inner annular projection thereof interacting with an external annular projection of said hollow spike in the opening condition of the elastic head, and further including a substantially inextensible annular member surrounding said elastic hollow element and guided in an axially sliding manner inside said tubular body upon displacement of said elastic head between said closure and opening conditions, in said opening condition said annular member being arranged at an axial position substantially corresponding to said external annular projection. 2. Valve connector according to claim 1, wherein said annular member rigid. 3. Valve connector according to claim 1, wherein said annular chamber communicates with the external of the connector. 4. Valve connector according to claim 1, wherein said base part of the elastic thrust means of said sealing member is blocked axially between said tubular body and a base part of said hollow spike. 5. Valve connector according to claim 1, wherein said elastic head of the sealing member is arranged, in said closure condition, substantially without radial interference in said inlet end of the tubular body. 6. Valve connector according to claim 5, wherein said inlet end of the tubular body has an internal wall formed with axial channels. 7. Valve connector according to claim 1, wherein said closed tip of said hollow spike is configured in such a manner to cause said elastic head of the sealing member to take said opening condition without traversal of said pre-slit. 8. Valve connector according to claim 7, wherein said elastic head has an end wall having an internal annular recess connected to the internal wall of the sealing member through a generally cylindrical part followed by a first portion having a conical surface with lower conicity and by a second portion having a conical surface with greater conicity. 9. Valve connector according to claim 1, wherein said annular member is surrounding the elastic hollow element at an axial position substantially corresponding to said inner annular projection. 10. Valve connector according to claim 9, wherein said means for sealing said elastic hollow element of the sealing member comprise a first and a second internal annular projection axially spaced from each other, arranged on opposite parts with respect to said lateral hole of the hollow spike in the abovementioned closure condition of said elastic head, and of which the first is adapted to interact with said external annular projection of the hollow spike in said opening condition of the elastic head. 11. Valve connector according to claim 10, wherein said first annular projection is maintained, in said closure condition of the elastic head, in sealing contact against a conical surface formed in proximity of said closed tip of said hollow spike. 12. Valve connector according to claim 10, wherein said first annular projection is maintained, in said closure condition of the elastic head, in sealing contact against a cylindrical surface arranged in proximity of said closed tip of said hollow spike. 13. Valve connector according to claim 11, wherein said second internal annular projection is arranged in sealing sliding contact against a portion having a conical surface of said hollow spike which internally delimits said annular chamber and it is divergent towards said outlet end (10) of the connector.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.