IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0418809
(2009-04-06)
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등록번호 |
US-8182452
(2012-05-22)
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발명자
/ 주소 |
- Mansour, George Michel
- Fried, Matthew Paul
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출원인 / 주소 |
|
대리인 / 주소 |
McDermott Will & Emery LLP
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인용정보 |
피인용 횟수 :
38 인용 특허 :
4 |
초록
▼
A medical connector is described which is formed by a body having an inlet port, an outlet port through a male luer portion of the body, and a fluid path between the inlet port and the at least one outlet ports. A retractable post extends through the fluid path in the male luer sealing a tip of the
A medical connector is described which is formed by a body having an inlet port, an outlet port through a male luer portion of the body, and a fluid path between the inlet port and the at least one outlet ports. A retractable post extends through the fluid path in the male luer sealing a tip of the male luer thereby closing the fluid path when the connector in not activated. Barbs extending along the exterior of the male luer and connected to the retractable post, wherein when the connector is activated, the barbs force the retractable post away from the tip of the male luer thereby opening the fluid path through the medical connector. A retention member applies force to the post to force the post to seal the tip of the male luer with the medical connector is not activated.
대표청구항
▼
1. A medical connector comprising: a body having an inlet port, a cavity, an outlet port through a male luer portion of the body, and a fluid path from the inlet port through the cavity to the outlet port;an elastic cup comprising a perimeter sealingly coupled to the body, the elastic cup configured
1. A medical connector comprising: a body having an inlet port, a cavity, an outlet port through a male luer portion of the body, and a fluid path from the inlet port through the cavity to the outlet port;an elastic cup comprising a perimeter sealingly coupled to the body, the elastic cup configured to protrude into the cavity thereby creating a fluid volume of the cavity wherein the fluid path is through the fluid volume;a retractable post extending through the fluid path in the male luer sealing a tip of the male luer thereby closing the fluid path when the connector in not activated, the retractable post configured to contact the elastic cup; andbarb arms extending along the exterior of the male luer and connected to the retractable post;wherein when the connector is activated, movement of the barb arms relative to the male luer results in the retractable post being forced away from the tip of the male luer thereby opening the fluid path through the medical connector and deforming the elastic cup into the cavity thereby decreasing the fluid volume of the cavity. 2. The medical connector of claim 1, wherein the post is forced away from the tip of the male luer by a force applied to the barb arms resulting from the barb arms contacting a surface of a female luer into which the male luer is being inserted. 3. The medical connector of claim 1, wherein the post is forced away from the tip of the male luer by a force applied to the post. 4. The medical connector of claim 1, wherein an internal the fluid volume of the medical connector cavity is increased upon deactivation of the medical connector such the fluid in and around the male luer is drawn back into the medical connector upon deactivation. 5. The medical connector of claim 1, further comprising: a tension member applying tension to the post, such that the post is held in the closed position when not activated and returns to the closed position upon being deactivated. 6. The medical connector of claim 5, wherein the tension member is the elastic cup. 7. The medical connector of claim 5, wherein the tension member is a spring. 8. The medical connector of claim 5, wherein the tension member is an elastic bellows. 9. The medical connector of claim 1, wherein the body is formed by a top having the inlet port and a base having the male luer. 10. The medical connector of claim 9, wherein the barb arms extend through vent holes in the base. 11. The medical connector of claim 9, wherein the base includes channels that allow fluid to flow to the male luer. 12. The medical connector of claim 1, further comprising flow channels formed in interior wall of the body. 13. A method for activating a negative-displacement self-sealing medical connector, the method comprising the steps of: inserting a male luer of the medical connector into a female luer of a secondary device, the male luer having a post extending through a flow channel in the male luer and sealingly engaged with an outlet port of the male luer, the post also engaging an elastic cup disposed within a cavity of the medical connector so as to form a fluid volume that is fluidically coupled to the outlet port;engaging barb arms that are coupled to the retractable post of the medical connector with a surface of the female luer; anddisplacing the barb arms relative to the male luer as the medical connector is engaged with the female luer thereby retracting the post from the outlet port of the male luer, thereby opening a fluid path through the medical connector and decreasing the fluid volume of the medical connector. 14. The method of claim 13, wherein the medical connector further comprises a tension member acting on the post such that the post is held in the closed position when not activated and returns to the closed position upon being deactivated. 15. The method of claim 13, further comprising: returning the post into the outlet port using force applied to the post by the tension member when the medical connector is deactivated. 16. The method of claim 13, further comprising the step of: allowing the barb arms to return to their original position relative to the male luer as the medical connector is disengaged from the female luer thereby increasing an internal fluid volume of the medical connector causing fluid in and around the outlet port of the male luer to be drawn back into the medical connector. 17. The method of claim 14, wherein the tension member is one of: an elastic cup;a spring; andan elastic bellows. 18. A medical connector comprising: an elastic cup having a seating ring;a body top comprising an inlet port coupled to an internal cavity having a cup seat;a base comprising a sealing ring seat and a male luer that comprises an outlet port coupled to a flow channel wherein the body top and base are sealingly coupled to each other with the elastic cup disposed within the cavity of the body top and the seating ring of the elastic cup sealingly captured between the cup seat and the sealing ring seat so as to form a liquid volume that is fluidically coupled between the inlet and the outlet;a barb top in contact with the elastic cup;a post extending from the barb top through the flow channel, wherein a tip of the post is sized to seal the outlet port of the male luer when the post is fully extended into the male luer; andone or more barb arms extending from the barb top through vent holes in the base and adjacent to an external surface of the male luer;wherein pressure applied to the barb arms in a direction parallel to the male luer and away from the outlet port displaces the barb top thereby deforming the elastic cup into the internal cavity thereby decreasing the liquid volume and withdrawing the post from the outlet port thereby unsealing the outlet port of the male luer and opening a flow path between the inlet and outlet. 19. The medical connector of claim 18, wherein the fluid volume is increased upon deactivation of the medical connector as a result of the elastic cup returning to it deactivated state, such the fluid in and around the male luer is drawn back into the medical connector upon deactivation. 20. The medical connector of claim 18, wherein the pressure applied to the barb arms is applied by a top surface of a female luer. 21. The medical connector of claim 18, further comprising a sealing ring seated on the post to prevent fluid flow along the post in a direction away from the outlet port. 22. The medical connector of claim 18, wherein the elastic cup applies tension to the barb top thereby urging the post toward the sealed position.
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