Positive displacement fluid lock ports for use in combination with an indwelling catheter and a syringe during a flushing/locking procedure are provided. The fluid lock port includes a housing having a distal and a proximal end; a resilient conduit supported within the housing, wherein the conduit d
Positive displacement fluid lock ports for use in combination with an indwelling catheter and a syringe during a flushing/locking procedure are provided. The fluid lock port includes a housing having a distal and a proximal end; a resilient conduit supported within the housing, wherein the conduit defines a lumen therethrough; and at least one biasing member supported in the housing and being operatively associatable with the resilient conduit. The at least one biasing member has a first condition restrained from deforming the resilient conduit and a second condition operatively engaged with the resilient conduit to at least partially occlude the lumen of the resilient conduit.
대표청구항▼
1. A fluid lock port configured for inter-connection between a first medical device providing a flushing and/or locking fluid and a second medical device requiring a flushing and/or locking fluid, the fluid lock port comprising: a housing having a proximal end and a distal end;a resilient conduit su
1. A fluid lock port configured for inter-connection between a first medical device providing a flushing and/or locking fluid and a second medical device requiring a flushing and/or locking fluid, the fluid lock port comprising: a housing having a proximal end and a distal end;a resilient conduit supported within the housing, the resilient conduit defining a lumen therethrough; anda conduit biasing mechanism supported within the housing, the conduit biasing mechanism including: a pair of opposed biasing members each connected at one end to the housing of the fluid lock port;a first latch arm operatively connected to one of the pair of opposed biasing members; anda second latch arm operatively connected to another of the pair of opposed biasing members;wherein each latch arm has a first condition restraining a respective biasing member in a retracted condition such that the resilient conduit is undeformed, and a second condition permitting a respective biasing member to engage the resilient conduit to at least partially occlude the lumen of the resilient conduit; andwherein the pair of opposed biasing members are prevented from movement from a first condition to a second condition by a portion of a first medical device that extends into the lumen of the conduit when the first medical device is connected to the housing of the fluid lock port, and wherein the pair of opposed biasing members are permitted to move to the second condition upon removal of the portion of the first medical device from within the lumen of the conduit upon a disconnection of the first medical device from the housing of the fluid lock port. 2. The fluid lock port according to claim 1, wherein the housing is constructed from at least one of polycarbonate, polypropylene or high density polyurethane. 3. The fluid lock port according to claim 1, wherein a distal end of the conduit includes a tapered distal tip configured for connection to a medical device. 4. The fluid lock port according to claim 1, wherein a proximal end of the conduit is configured to receive a nose of a syringe. 5. The fluid lock port according to claim 1, wherein the conduit mechanically cooperates with a seal for occluding the lumen extending therethrough. 6. The fluid lock port according to claim 1, wherein the conduit is constructed from at least one of polyvinylchloride (PVC) or low density polyurethane. 7. The fluid lock port according to claim 1, wherein the pair of opposed biasing members are constructed from at least one of spring steel, nickel-titanium and an alloy of nickel-titanium. 8. The fluid lock port according to claim 1, wherein the fluid lock port interconnects a first medical device that provides a flushing and/or locking fluid and a second medical device that requires the flushing and/or locking fluid. 9. The fluid lock port according to claim 1, wherein when the first and second latch arms are in the first condition, the pair of opposed biasing members are configured to be restrained from deforming the resilient conduit, and wherein when the first and second latch arms are in the second condition the pair of opposed biasing members act on the resilient conduit to deform the resilient conduit. 10. The fluid lock port according to claim 9, wherein the pair of biasing members are biased when the latch arms are in the first condition. 11. The fluid lock port according to claim 10, wherein when the first and second latch arms are in the second condition, the deformation of the resilient conduit occurs due to a head portion of each of the pair of opposed biasing members contacting and compressing the resilient conduit. 12. The fluid lock port according to claim 10, wherein each of the first and second latch arms is configured to engage a respective one of the pair of opposed biasing members and to retain the respective one of the pair of opposed biasing members in the first condition. 13. The fluid lock port according to claim 1, wherein the first and second latch arms of the conduit biasing mechanism are configured for actuation upon connection of the housing to a medical device. 14. The fluid lock port according to claim 1, wherein each of the first and second latch arms is secured to a respective one of the pair of opposed biasing members. 15. A fluid lock port configured for interconnection between a first medical device providing a flushing and/or locking fluid and a second medical device requiring the flushing and/or locking fluid, the fluid lock port comprising: a housing being configured for selective fluid communication at one end to the first medical device and at a second end to the second medical device, the housing containing a resilient conduit that establishes the fluid communication between the first and second medical devices; anda conduit biasing mechanism supported within the housing and restrained from deforming the resilient conduit while the housing is connected to the first medical device, the conduit biasing mechanism including a pair of opposed biasing members each connected at one end to the housing of the fluid lock port, a first latch arm operatively connected to one of the pair of opposed biasing members, and a second latch arm operatively connected to another of the pair of opposed biasing members;wherein each of the first and second latch arms has a first condition restraining a respective biasing member in a retracted condition such that the resilient conduit is undeformed, and a second condition, upon connection of the first medical device to the housing, permitting a respective biasing member to engage the resilient conduit to at least partially occlude the lumen of the resilient conduit; andwherein the pair of opposed biasing members are prevented from movement from a first condition to a second condition by a portion of a first medical device that extends into the lumen of the conduit when the first medical device is connected to the housing of the fluid lock port, and wherein the pair of opposed biasing members are permitted to move to the second condition upon removal of the portion of the first medical device from within the lumen of the conduit upon a disconnection of the first medical device from the housing of the fluid lock port. 16. The fluid lock port according to claim 15, wherein when the first and second latch arms are in the first condition, the pair of opposed biasing members are configured to be restrained from deforming the resilient conduit, and wherein when the first and second latch arms are in the second condition the pair of opposed biasing members act on the resilient conduit to deform the resilient conduit. 17. The fluid lock port according to claim 16, wherein the pair of biasing members are biased when the latch arms are in the first condition. 18. The fluid lock port according to claim 17, wherein when the first and second latch arms are in the second condition, the deformation of the resilient conduit occurs due to a head portion of each of the pair of opposed biasing members contacting and compressing the resilient conduit. 19. The fluid lock port according to claim 17, wherein each of the first and second latch arms is configured to engage a respective one of the pair of opposed biasing members and to retain the respective one of the pair of opposed biasing members in the first condition. 20. The fluid lock port according to claim 15, wherein the first and second latch arms of the conduit biasing mechanism are configured for actuation upon connection of the housing to a medical device. 21. The fluid lock port according to claim 15, wherein each of the first and second latch arms is secured to a respective one of the pair of opposed biasing members.
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