Medicament infusion device
First Claim
1. An infusion device, comprising:
- a housing;
a base plate disposed within and releasably attached to the housing, said base plate being slidably movable between first and second positions;
a biasing mechanism attached to the base plate and the housing for biasing the base plate to the second position, said biasing mechanism facilitating the movement of the base plate to the second position when the base plate is detached from the housing;
an actuator plate disposed within the housing and slidably movable between inner and outer positions, said actuator plate being cooperatively non-attachedly engaged with the base plate in a manner wherein the movement of the base plate toward the second position facilitates the movement of the actuator plate toward the outer position, and the movement of the base plate toward the first position facilitates the movement of the actuator plate toward the inner position; and
a lid member slidably attached to the housing in spaced relation to the actuator plate and movable between open and closed positions, said lid member, said actuator plate and said housing defining a medicament chamber when the lid member is in the closed position;
wherein the movement of the actuator plate toward the outer position narrows the distance separating the actuator plate from the lid member thus reducing the volume of the medicament chamber, and the movement of the actuator plate toward the inner position widens the distance separating the actuator plate from the lid member thus increasing the volume of the medicament chamber.
1 Assignment
0 Petitions
Accused Products
Abstract
An infusion device comprising a housing having a base plate disposed therein which is slidably moveable between first and second positions. Attached to the base plate and the housing is a biasing mechanism for biasing the base plate to the second position. Also disposed within the housing is an actuator plate which is slidably moveable between inner and outer positions. The actuator plate is cooperatively engaged to the base plate in a manner wherein the movement of the base plate toward the second position facilitates the movement of the actuator plate toward the outer position, with the movement of the base plate toward the first position facilitating the movement of the actuator plate toward the inner position. Slidably attached to the housing in spaced relation to the actuator plate is a lid member. The lid member, the actuator plate and the housing define a medicament chamber when the lid member is in a closed position. The movement of the actuator plate toward the outer position reduces the volume of the medicament chamber, with the movement of the actuator plate toward the inner position increasing the volume of the medicament chamber.
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Citations
26 Claims
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1. An infusion device, comprising:
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a housing; a base plate disposed within and releasably attached to the housing, said base plate being slidably movable between first and second positions; a biasing mechanism attached to the base plate and the housing for biasing the base plate to the second position, said biasing mechanism facilitating the movement of the base plate to the second position when the base plate is detached from the housing; an actuator plate disposed within the housing and slidably movable between inner and outer positions, said actuator plate being cooperatively non-attachedly engaged with the base plate in a manner wherein the movement of the base plate toward the second position facilitates the movement of the actuator plate toward the outer position, and the movement of the base plate toward the first position facilitates the movement of the actuator plate toward the inner position; and a lid member slidably attached to the housing in spaced relation to the actuator plate and movable between open and closed positions, said lid member, said actuator plate and said housing defining a medicament chamber when the lid member is in the closed position; wherein the movement of the actuator plate toward the outer position narrows the distance separating the actuator plate from the lid member thus reducing the volume of the medicament chamber, and the movement of the actuator plate toward the inner position widens the distance separating the actuator plate from the lid member thus increasing the volume of the medicament chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A variable rate flow control valve comprising:
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a housing defining an inlet passage, an outlet passage, and a flow path fluidly connecting the inlet and outlet passages to each other; a resilient disc member disposed within said housing adjacent the flow path; a plunger member disposed within the housing and abutted against the disc member; and a cap member rotatably connected to the housing and cooperatively engaged to the plunger member in a manner wherein the rotation of the cap member in a first direction facilitates the movement of the plunger member toward the flow path and the compression of the disc member, and the rotation of the cap member in a second direction opposite the first direction facilitates the movement of the plunger member away from the flow path and the resilient return of the disc member to an uncompressed condition; the compression of the disc member causing the resilient deformation thereof into the flow path.
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26. An infusion device, comprising:
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a housing; a base plate disposed within the housing and movable between first and second positions; a biasing mechanism attached to the base plate and the housing for biasing the base plate to the second position; an actuator plate disposed within the housing and slidably movable between inner and outer positions, said actuator plate being cooperatively non-attachedly engaged with the base plate in a manner wherein the movement of the base plate toward the second position facilitates the movement of the actuator plate toward the outer position, and the movement of the base plate toward the first position facilitates the movement of the actuator plate toward the inner position; and a lid member attached to the housing and movable between open and closed positions, a medicament chamber being defined within the housing when the lid member is in the closed position; wherein the movement of the actuator plate toward the outer position reduces the volume of the medicament chamber, and the movement of the actuator plate toward the inner position increases the volume of the medicament chamber.
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Specification