Pressure equalizing device, receptacle and method
First Claim
1. A system comprising a receptacle and a pressure equalizing device, wherein said pressure equalizing device comprises:
- (a) a fluid container attached to said receptacle and configured to permit pressure equalization between said fluid container, said receptacle, and the ambient environment,(b) a flow channel in fluid communication with said fluid container and said receptacle,(c) a fluid inlet arranged to provide fluid communication into said fluid container, wherein said fluid inlet contains a one-way valve configured to permit fluid to flow into said fluid container from the ambient environment via said fluid inlet and to prevent fluid from flowing out of said fluid container to the ambient environment via said fluid inlet,(d) a filter for filtering fluid flowing into or out of said fluid container, and(e) a filter retainer configured to retain said filter.
1 Assignment
0 Petitions
Accused Products
Abstract
Pressure equalizing device comprising a fluid container for attachment to a receptacle such as a vial to permit pressure equalization between the fluid container and the receptacle. The pressure equalizing device comprises a flow channel that is arranged to provide fluid communication into or out of the fluid container when the pressure equalizing device is attached to the receptacle. The pressure equalizing device also comprises a fluid inlet that contains a one-way valve that permits fluid to flow into the fluid container via said fluid inlet and that prevents fluid from flowing out of the fluid container via said fluid inlet and filter-receiving means that are arranged to permit fluid flowing into or out of the fluid container to be filtered when the filter-receiving means comprises a filter.
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Citations
14 Claims
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1. A system comprising a receptacle and a pressure equalizing device, wherein said pressure equalizing device comprises:
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(a) a fluid container attached to said receptacle and configured to permit pressure equalization between said fluid container, said receptacle, and the ambient environment, (b) a flow channel in fluid communication with said fluid container and said receptacle, (c) a fluid inlet arranged to provide fluid communication into said fluid container, wherein said fluid inlet contains a one-way valve configured to permit fluid to flow into said fluid container from the ambient environment via said fluid inlet and to prevent fluid from flowing out of said fluid container to the ambient environment via said fluid inlet, (d) a filter for filtering fluid flowing into or out of said fluid container, and (e) a filter retainer configured to retain said filter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification