Reusable cassette housings and methods
First Claim
Patent Images
1. A cassette mountable to a pumping mechanism for positioning a tube adjacent to a plurality of tube engaging members of the pumping mechanism, the cassette comprising:
- a housing sized to hold a fluid reservoir, the housing having a bottom face, a front face, a back face and two side faces;
a pressure plate mountable to the housing and having an anchor and two hooks, the pressure plate having a tubing support surface;
a hinge extending along the bottom face of the housing to separate the housing into a front half and a back half to reversibly open and close the housing to access an interior of the housing;
a snap to hold the front half to the back half in a closed position; and
means for retaining the pressure plate with the front half and the back half of the housing in the closed position.
2 Assignments
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Accused Products
Abstract
Reusable cassettes for a drug pump are disclosed to house a fluid reservoir and tubing extending from the reservoir across a tubing support surface of the pressure plate of the cassette. A hinged housing provides reversible access to the fluid reservoir. Reuse of a portion of the pressure plate is also disclosed.
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Citations
9 Claims
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1. A cassette mountable to a pumping mechanism for positioning a tube adjacent to a plurality of tube engaging members of the pumping mechanism, the cassette comprising:
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a housing sized to hold a fluid reservoir, the housing having a bottom face, a front face, a back face and two side faces; a pressure plate mountable to the housing and having an anchor and two hooks, the pressure plate having a tubing support surface; a hinge extending along the bottom face of the housing to separate the housing into a front half and a back half to reversibly open and close the housing to access an interior of the housing; a snap to hold the front half to the back half in a closed position; and means for retaining the pressure plate with the front half and the back half of the housing in the closed position. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for using a cassette for positioning a tube adjacent to a pumping mechanism, the method comprising the steps of:
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providing a cassette having a housing with a bottom face, a front face, a back face, and two side faces, a hinge extending across the bottom face and a tubing support surface; opening the housing along the hinge to separate the housing along a housing separation line extending along the side faces to separate the housing into a front half and a back half; positioning a fluid reservoir and a tube within an interior of the housing; extending the tube along the tubing support surface of the housing; closing the housing; snapping the housing in the closed position; and mounting the cassette to the pumping mechanism. - View Dependent Claims (8, 9)
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Specification