Patent ID: 8465464
Filing Date: 2013-06-18
Classification: A61M

Abstract:
1. An infusion pump which flows medicinal fluid through a delivery tube of an infusion tubing set to a patient and which prevents the free flow of fluid through the delivery tube, the tubing set including a slide clamp having a opening through which the delivery tube extends, the opening including a non-occluding portion and an adjoining occluding portion, the non-occluding portion allowing fluid flow through the delivery tube when the delivery tube is located in the non-occluding portion, the occluding portion preventing fluid flow through the delivery tube when the delivery tube is located in the occluding portion, the slide clamp further including a release tab extending adjacent the non-occluding portion, the infusion pump comprising: a tubing channel which receives a first portion of the delivery tube; a pumping device operative in the tubing channel and with the delivery tubing to flow the fluid through the delivery tube; an anvil attached on one side of the tubing channel; a pivotal lever having a compression edge which moves from the side of the tubing channel opposite the anvil into adjacency with the anvil to compress the delivery tube against the anvil and prevent fluid flow through the delivery tube when the pivotal lever is pivoted into an occluding position, the compression edge also moves away from adjacency with the anvil to open fluid flow through the delivery tube when the pivotal lever is pivoted into a non-occluding position, the pivotal lever also having a release surface which when moved a sufficient distance pivots the pivotal lever to move from the occluding position to the non-occluding position; an access opening adapted to receive the release tab of the slide clamp upon insertion and to direct the release tab into contact with the release surface of the pivotal lever, the access opening accommodating insertion of the release tab to the sufficient distance to pivoted the pivotal lever from the occluding position to the non-occluding position; at least one tube support positioned adjacent to the access opening to contact and maintain the delivery tube in a stationary position during the insertion of the release tab to the sufficient distance; a lever lock mechanism to releasably hold the pivotal lever in the non-occluding position after the insertion of the release tab has moved the release surface of the pivotal lever the sufficient distance; and the tube support causes the delivery tube to move from the non-occluding portion of the slide clamp into the occluding portion of the slide clamp simultaneously with insertion of the release tab to the sufficient distance to pivot the pivotal lever to the non-occluding position.