A closed fluid transfer system for fluidly interconnecting a syringe to any one of a patient I.V. set, a vial and an I.V. bag, is provided and includes a housing defining an open distal end and an open proximal end, a base supported in the open proximal end of the housing and including a syringe ada
A closed fluid transfer system for fluidly interconnecting a syringe to any one of a patient I.V. set, a vial and an I.V. bag, is provided and includes a housing defining an open distal end and an open proximal end, a base supported in the open proximal end of the housing and including a syringe adapter luer connector, a collar slidably and rotatably supported in the housing, the collar defining a longitudinal opening therethrough, a shuttle slidably extending through longitudinal opening of the collar, the shuttle defining a shuttle lumen extending longitudinally therethrough, a barrel supported on and extending over a distal end of the shuttle, a biasing member interposed between the collar and the shuttle for urging the collar away from the shuttle, and a seal interposed between the shuttle and the barrel, wherein the seal extends across the shuttle lumen and the central opening of the barrel.
대표청구항▼
1. A syringe adapter for a closed fluid transfer system, the syringe adapter including: a housing defining an open distal end and an open proximal end, the housing defining a pair of opposed longitudinally extending slots opening from the open distal end of the housing, the housing including a pair
1. A syringe adapter for a closed fluid transfer system, the syringe adapter including: a housing defining an open distal end and an open proximal end, the housing defining a pair of opposed longitudinally extending slots opening from the open distal end of the housing, the housing including a pair of opposed longitudinally extending ribs projecting from an inner surface thereof;a base supported in the open proximal end of the housing and including a syringe adapter luer connector;a collar slidably and rotatably supported in the housing, the collar defining a longitudinal opening therethrough, the collar defining a pair of opposed L-shaped tracks formed in an outer surface thereof and configured to receive a respective longitudinally extending rib therein, the collar defines a pair of opposed helical tracks opening from a distal surface of the collar, the opposed helical tracks being aligned with a respective slot of the housing when the collar is in a distal-most position;a shuttle slidably extending through longitudinal opening of the collar, the shuttle defining a shuttle lumen extending longitudinally therethrough;a barrel supported on and extending over a distal end of the shuttle, the barrel defining a central opening aligned with the shuttle lumen;a biasing member interposed between the collar and the shuttle for urging the collar away from the shuttle; anda seal interposed between the shuttle and the barrel, wherein the seal extends across the shuttle lumen and the central opening of the barrel. 2. The syringe adapter according to claim 1, further comprising a needle defining a lumen therethrough, the needle having a proximal end supported in the base such that the lumen of the needle is in fluid communication with the luer connector. 3. The syringe adapter according to claim 2, wherein the needle has a sharpened distal tip disposed within the shuttle lumen when the shuttle is in a distal-most position. 4. The syringe adapter according to claim 3, wherein the syringe adapter is movable from a closed state to an open state; wherein in the closed state the tip of the needle is disposed within the shuttle lumen, the shuttle is disposed at the distal-most position, and the collar is disposed at a distal-most position; andwherein the syringe adapter is movable from the closed state to the open state by: inserting a pair of opposed radially extending guide pins of a male stem of a second adapter into the respective slots of the housing of the syringe adapter, whereby a second adapter seal of the second adapter abuts a first adapter seal of a first adapter;advancing the second adapter male stem into the open distal end of the housing such that the guide pins of the second adapter enter into the respective helical track of the collar to (1) rotate the collar relative to the housing of the syringe adapter and (2) align the ribs of the housing with a through portion of the collar; andfurther advancing the second adapter male stem into the open distal end of the housing causing the collar to move proximally which causes the shuttle to move proximally until the tip of the needle penetrates through the abutting seals, whereby the syringe adapter is in the open state and fluidly interconnects a syringe with the second adapter. 5. The syringe adapter according to claim 1, wherein the syringe adapter includes a lock out system having: a collar including at least one lock arm extending in a radial direction about the collar, wherein each lock arm includes a first end integral with the collar and a second free end defining a tooth extending radially outward and being dimensioned to contact a longitudinally extending rib of the housing; anda shuttle including a relatively larger diameter proximal portion and a relatively smaller diameter distal portion;wherein, when the shuttle is in the distal-most position, each lock arm is in registration with the relatively larger diameter portion of the shuttle thereby inhibiting each lock arm from deflecting radially inward; andwherein, when the shuttle is moved proximally, the relatively smaller diameter portion of the shuttle is moved into registration with each lock arm thereby permitting each lock arm to deflect radially inward and to permit the collar to rotate. 6. The syringe adapter according to claim 1, wherein the seal is made from polyisoprene.
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