Blood storage bag system and depletion devices with oxygen and carbon dioxide depletion capabilities
First Claim
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1. A blood storage device for storing oxygen and carbon dioxide depleted blood comprising:
- an outer receptacle substantially impermeable to carbon dioxide;
an inner receptacle situated within said outer receptacle;
an amount of a carbon dioxide scavenger situated within said outer receptacle wherein said blood storage device maintains the blood in a carbon dioxide depleted state.
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Abstract
A blood storage system. The system has a collection bag for red blood cells; an oxygen/carbon dioxide depletion device; a storage bag for red blood cells; and tubing connecting the collection bag to the depletion device and the depletion device to the storage bag. The depletion device includes a receptacle of a solid material having an inlet and an outlet adapted to receiving and expelling a flushing gas; a plurality of hollow fibers or gas-permeable films extending within the receptacle from an entrance to an exit thereof. The hollow fibers or gas-permeable films are adapted to receiving and conveying red blood cells.
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Citations
24 Claims
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1. A blood storage device for storing oxygen and carbon dioxide depleted blood comprising:
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an outer receptacle substantially impermeable to carbon dioxide; an inner receptacle situated within said outer receptacle; an amount of a carbon dioxide scavenger situated within said outer receptacle wherein said blood storage device maintains the blood in a carbon dioxide depleted state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 21, 22, 23, 24)
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9. An oxygen and carbon dioxide depletion device comprising:
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a cartridge; a plurality of gas-permeable films or membranes extending within the cartridge from an entrance to an exit thereof, wherein said plurality of gas permeable films or membranes are formed of a material that is permeable to both oxygen and carbon dioxide and are adapted to receiving and conveying red blood cells; and an amount of both an oxygen scavenger and a carbon dioxide scavenger packed within said cartridge and contiguous to and in between said plurality of gas-permeable films or membranes. - View Dependent Claims (10)
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11. An oxygen and carbon dioxide depletion device comprising:
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a receptacle of a solid material having an inlet and an outlet adapted to receiving and expelling a flushing gas and a plurality of gas-permeable films or membranes extending within said receptacle from an entrance to an exit thereof, wherein said plurality of gas-permeable films or membranes are formed of a material permeable to both oxygen and carbon dioxide and are adapted to receiving and conveying red blood cells. - View Dependent Claims (12, 13)
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14. A method for removing oxygen and carbon dioxide from red blood cells, comprising:
- passing the red blood cells through an oxygen and carbon depletion device, wherein the device includes
a cartridge; a plurality of gas-permeable films or membranes extending within said cartridge from an entrance to an exit thereof, wherein said plurality of gas-permeable films or membranes are formed of a material permeable to both oxygen and carbon dioxide and are adapted to receiving and conveying said red blood cells; and an amount of an oxygen scavenger and a carbon dioxide scavenger packed within said cartridge and contiguous to and in between said plurality of gas-permeable films or membranes.
- passing the red blood cells through an oxygen and carbon depletion device, wherein the device includes
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15. A method for removing oxygen and carbon dioxide from red blood cells, comprising:
- passing red blood cells through an oxygen and carbon dioxide depletion device, wherein said device comprises;
a receptacle of a solid material having an inlet and an outlet adapted to receiving and expelling a flushing gas; and a plurality of gas-permeable films or membranes extending within said receptacle from an entrance to an exit thereof, wherein said plurality of gas-permeable films or membranes are formed of a material permeable to both oxygen and carbon dioxide and are adapted to receiving and conveying said red blood cells.
- passing red blood cells through an oxygen and carbon dioxide depletion device, wherein said device comprises;
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16. A blood storage system comprising:
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a collection bag for red blood cells; an oxygen and carbon dioxide depletion device; a storage bag for red blood cells; and tubing connecting said collection bag to said oxygen and carbon dioxide depletion device and tubing connecting said oxygen and carbon dioxide depletion device to said storage bag, wherein said oxygen and carbon dioxide depletion device includes a cartridge; a plurality of gas-permeable films or membranes extending within said cartridge from an entrance to an exit thereof, wherein said plurality of gas-permeable films or membranes are formed of a material permeable to both oxygen and carbon dioxide and are adapted to receiving and conveying red blood cells; and an amount of both an oxygen scavenger and a carbon dioxide scavenger packed within said cartridge and contiguous to and in between said plurality of gas-permeable films or membranes.
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17. A blood storage system comprising:
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a collection bag for red blood cells; a oxygen and carbon dioxide depletion device; a storage bag for red blood cells; and tubing connecting said collection bag to said depletion device and tubing connecting said depletion device to said storage bag, wherein said depletion device includes a receptacle of a solid material having an inlet and an outlet adapted to receiving and expelling a flushing gas; and a plurality of gas-permeable films or membranes extending within said receptacle from an entrance to an exit thereof, wherein said plurality of gas-permeable films or membranes are formed of a material permeable to both oxygen and carbon dioxide and are adapted to receiving and conveying red blood cells.
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18. A blood storage device comprising:
- a receptacle adapted to retain and store red blood cells, said receptacle being formed from a laminate, said laminate including (a) an outer layer of a material substantially impermeable to both oxygen and carbon dioxide, (b) an inner layer of a material compatible with red blood cells, and (c) an interstitial layer between the outer layer and the inner layer wherein said interstitial layer is of a material having admixed therein an amount of both an oxygen scavenger and a carbon dioxide scavenger.
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19. A blood storage system comprising:
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a collection bag for red blood cells; a unitary device for depleting oxygen and carbon dioxide and reducing leukocytes from red blood cells; a storage bag for red blood cells; and tubing connecting the collection bag to said unitary device and tubing connecting said unitary device to said storage bag. - View Dependent Claims (20)
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Specification