Connector to cassette interface system
First Claim
Patent Images
1. A connector to cassette assembly interface system comprising:
- a cassette assembly, said cassette assembly including;
a cassette cover and a cassette body constructed and arranged to fit together to have a space therebetween;
said cassette cover including a plurality of portals formed therein, each of said portals including a skirt portion extending from the bottom of said cassette cover into said space between said cassette cover and said cassette body;
said cassette body including a plurality of tubular openings constructed and arranged to align with said portals in said cassette cover;
a plurality of connectors having an upper portion and a lower portion, wherein said lower portion includes a luer fitting surrounded by a shroud, said shroud having a unique exterior surface configuration; and
said skirt portion of said portal including a pattern of unique openings constructed and arranged to engage one of said plurality of connectors.
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Abstract
The disclosed connector to cassette interface system includes a set of individual keyed connectors having a shroud on the lower portion. The perimeter of each shroud includes an array of tabs or protrusions keyed to one of a corresponding array of skirted portals in the cassette cover. The tabs or protrusions on the shroud portion of each individual keyed connector may further serve to prevent rotation of each connector beyond about 60°.
45 Citations
16 Claims
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1. A connector to cassette assembly interface system comprising:
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a cassette assembly, said cassette assembly including; a cassette cover and a cassette body constructed and arranged to fit together to have a space therebetween; said cassette cover including a plurality of portals formed therein, each of said portals including a skirt portion extending from the bottom of said cassette cover into said space between said cassette cover and said cassette body; said cassette body including a plurality of tubular openings constructed and arranged to align with said portals in said cassette cover; a plurality of connectors having an upper portion and a lower portion, wherein said lower portion includes a luer fitting surrounded by a shroud, said shroud having a unique exterior surface configuration; and said skirt portion of said portal including a pattern of unique openings constructed and arranged to engage one of said plurality of connectors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A cassette for engagement with a connector having a lower portion which includes a luer fitting surrounded by a shroud, said shroud having a unique diameter and a unique array of tabs extending therefrom, said cassette comprising:
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a cassette cover, said cassette cover having a plurality of portals formed thereon, each of said portals characterized by a skirt portion having a unique size and a unique array of openings formed therein; and a cassette body having a plurality of tubular openings formed therein said tubular openings being constructed and arranged to align with said portals when said cassette cover is placed on said cassette body; whereby each portal on said cassette cover is keyed to a single connector and wherein said skirt portion includes a stepped ramp. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method for preventing mismatch of a set of connectors with a set of portals formed in a cassette, said method comprising the steps of:
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forming each portal with a depending skirt, said depending skirt having a size and a pattern of opening theraround different from the other portals formed in the cassette; and forming a connector having a size and a pattern of protrusions therearound to engage one of the portal; wherein each connector is rotated by manual engagement of a set of win - View Dependent Claims (16)
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Specification