Anti-free-flow mechanism for enteral feeding pumps
First Claim
Patent Images
1. An occluder system, comprising:
- a segment of tubing of an infusion set;
an occluder mechanism engaging the tubing and configured to reduce or prevent fluid flow through the tubing, the occluder mechanism having a body and an actuator, the actuator having a first, occluding position and a second, non-occluding position, the actuator being biased into the first position; and
a mounting structure for receiving the occluder mechanism and for moving the actuator into the second, non-occluding position, the occluder mechanism being slidable longitudinally into the mounting structure in a direction parallel to tubing; and
wherein the occluder mechanism is biased into the first, occluding position when not disposed in the mounting structure.
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Abstract
An anti-free-flow mechanism includes an occluder mechanism which is disposed along a segment of tubing and a mounting structure. The occluder mechanism is normally in a biased closed position, but may be moved into an open position by placement in the mounting structure. However, unless force is applied to keep the occluder mechanism in the mounting structure, the occluder will move relative to the mounting structure and return to the first, closed position.
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Citations
14 Claims
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1. An occluder system, comprising:
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a segment of tubing of an infusion set; an occluder mechanism engaging the tubing and configured to reduce or prevent fluid flow through the tubing, the occluder mechanism having a body and an actuator, the actuator having a first, occluding position and a second, non-occluding position, the actuator being biased into the first position; and a mounting structure for receiving the occluder mechanism and for moving the actuator into the second, non-occluding position, the occluder mechanism being slidable longitudinally into the mounting structure in a direction parallel to tubing; and wherein the occluder mechanism is biased into the first, occluding position when not disposed in the mounting structure. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for selectively preventing a free-flow condition in an infusion set, the method comprising:
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providing an occluder mechanism disposed along a segment of tubing of an infusion set, the occluder mechanism having a body, an actuator, and a biasing mechanism, the actuator being biased outwardly from the body in a first, occluding position; mounting the occluder mechanism in a tapered mounting structure by moving the occluder mechanism into the mounting structure in a direction parallel to the tubing and thereby moving the actuator into a second, non-occluding position; and automatically moving the occluder mechanism out of the mounting structure to place the actuator in the first, occluding position unless an external force is applied to pull the occluder mechanism into the mounting structure. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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Specification