Medical valve with resilient biasing member
A medical valve has an open mode that permits fluid flow, and a closed mode that prevents fluid flow. To that end, the medical valve has a housing with an inlet portion and an outlet portion, a rotating member having a protruding member, and a resilient member with a complimentary surface that mates with the protruding member. The inlet portion and outlet portion of the housing compress the protruding member into the resilient member to bias the valve to the closed mode.
1. A medical valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the medical valve comprising:
a housing having an inlet portion and an outlet portion;
a rotating member having a protruding member; and
a resilient member having a complimentary surface that mates with the protruding member, the resilient member supporting the rotating member within the housing,
the inlet portion and outlet portion of the housing compressing the protruding member against the resilient member to bias the valve to the closed mode.
2. The medical valve as defined by claim 1 wherein the housing has an outlet, the resilient member also having a flow path in fluid communication with the outlet, the inlet and outlet portions compressing the protruding member against the resilient member to seal the flow path of the resilient member in the closed mode.
3. The medical valve as defined by claim 2 wherein the rotating member comprises a member channel that is in substantial leak free fluid communication with the flow path when in the open mode, the member channel contacting the flow path at an interface when in the open mode, compression of the protruding member against the resilient member sealing the interface when in the open mode to provide the substantially leak free fluid communication.
4. The medical valve as defined by claim 1 wherein the resilient member has a proximally located surface that contacts the inlet portion of the housing, the proximally located surface having at least a portion that normally is a normal distance from the complimentary surface, the protruding member being a given thickness, the given thickness being greater than the normal distance.
5. The medical valve as defined by claim 1 wherein the resilient member has an opening distal of the complimentary surface, the opening permitting deformation of the resilient member.
6. The medical valve as defined by claim 1 wherein the protruding member comprises first and second protruding members that each respectively contact a first portion of the complimentary surface and a second portion of the complimentary surface, the complimentary surface also having a third portion between the first and second portions, the first, second, and third portions normally forming a substantially planar surface.
7. A medical valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the medical valve comprising:
a housing having an inlet and an outlet;
a rotating member with a member channel therethrough, the rotating member being rotatable to cause the valve to transition from the closed mode to the open mode after insertion of a medical implement into the inlet, the member channel fluidly communicating the inlet and the outlet when in the open mode;
a resilient member biasing the rotating member to fluidly disconnect the inlet and the outlet, the resilient member having a complimentary portion that mates with the rotating member to substantially prevent longitudinal movement of the rotating member.
8. The medical valve as defined by claim 7 wherein rotating member has an implement surface that is proximally exposed to contact the medical implement inserted into an inlet, the implement surface being positioned to cause the rotating member to rotate about an axis after the medical implement applies a distally directed force to the rotational member.
9. The medical valve as defined by claim 8 wherein the axis is substantially orthogonal to the longitudinal axis of the valve.
10. The medical valve as defined by claim 7 wherein the complimentary portion of the resilient member normally has first and second contiguous walls that cooperate to prevent twisting about the longitudinal axis of the valve.
11. The medical valve as defined by claim 10 wherein the first wall normally is orthogonal to the second wall.
12. The medical valve as defined by claim 7 wherein the rotating member slides along the resilient member when transitioning between the open and closed modes.
13. A medical valve having an open mode that permits fluid flow, and a closed mode that prevents fluid flow, the medical valve comprising:
a housing having an interior with an inlet;
a rotating member within the interior of the housing, the rotating member having a protruding member with a generally planar mating surface, the rotating member also having a generally planar implement surface that is not parallel with the mating surface, the implement surface being exposed to the inlet to permit contact with a medical implement inserted into the inlet; and
a resilient member having a complimentary surface that mates with the mating surface of the protruding member to bias the rotating member to a closed mode, the resilient member supporting the rotating member within the housing.
14. The medical valve as defined by claim 13 wherein the housing has an outlet, the rotating member also having a member channel therethrough, the rotating member being rotatable against the force of the resilient member to cause the valve to transition from the closed mode to the open mode, the member channel fluidly communicating the inlet and the outlet when in the open mode.
15. The medical valve as defined by claim 13 wherein the resilient member comprises an elastomer.
16. The medical valve as defined by claim 13 wherein the housing forms an outlet, the mating surface of the protruding member generally facing the outlet when in the closed mode.
17. The medical valve as defined by claim 13 wherein the rotating member is substantially not longitudinally movable relative to the resilient member.
18. The medical valve as defined by claim 13 further comprising a swabbable seal at the inlet.
19. The medical valve as defined by claim 13 , wherein the resilient member includes a complimentary portion that mates with the rotating member to support the rotating member within the housing and substantially prevent longitudinal movement of the rotating member.
20. The medical valve as defined by claim 1 , wherein the resilient member includes a complimentary portion that mates with the rotating member to support the rotating member within the housing and substantially prevent longitudinal movement of the rotating member.