Multiple bag
First Claim
Patent Images
1. A multiple bag assembly, comprising:
- a plurality of interconnected bags;
said interconnected bag including a chemical containing blood collecting bag charged with a liquid chemical and at least one vacant bag;
said chemical containing blood collecting bag having an inner surface with a first roughness and said at least one vacant bag having an inner surface with a second roughness, said first roughness being less than said second roughness;
said first roughness of said inner surface of said chemical containing blood collecting bag being in the range of 2 μ
m to 15 μ
m in terms of Rz; and
said second roughness of said inner surface of said at least one vacant bag being in the range of approximately 15 μ
m to 50 μ
m in terms of Rz.
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Abstract
A multiple bag comprising a plurality of bags including a chemical containing bag charged with liquid chemical and at least one vacant bag, wherein the inner surface of the chemical containing bag is less rough than that of the vacant bag.
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Citations
4 Claims
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1. A multiple bag assembly, comprising:
- a plurality of interconnected bags;
said interconnected bag including a chemical containing blood collecting bag charged with a liquid chemical and at least one vacant bag; said chemical containing blood collecting bag having an inner surface with a first roughness and said at least one vacant bag having an inner surface with a second roughness, said first roughness being less than said second roughness; said first roughness of said inner surface of said chemical containing blood collecting bag being in the range of 2 μ
m to 15 μ
m in terms of Rz; andsaid second roughness of said inner surface of said at least one vacant bag being in the range of approximately 15 μ
m to 50 μ
m in terms of Rz. - View Dependent Claims (2, 3)
- a plurality of interconnected bags;
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4. A multiple bag assembly, comprising:
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a plurality of interconnected bags; said interconnected bags including a chemical containing blood collecting bag charged with a liquid chemical and at least one vacant bag; said chemical containing blood collecting bag having an inner surface with a first roughness and said at least one vacant bag having an inner surface with a second roughness, said first roughness being less than said second roughness; said first roughness of said inner surface of said chemical containing blood collecting bag being in the range of 2 μ
m to 15 μ
m in terms of Rz;said second roughness of said inner surface of said at least one vacant bag being in the range of approximately 15 μ
to 50 μ
m in terms of Rz;an amount of said liquid chemical charged in said chemical containing bag is equal to 5 to 65% of the volume of the chemical containing bag; wherein said liquid chemical is selected from the group consisting of anti-coagulants and preservatives for erythrocytes.
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Specification
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Current AssigneeTerumo Kabushiki Kaisha (Terumo Corporation)
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Original AssigneeTerumo Kabushiki Kaisha (Terumo Corporation)
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InventorsNakamura, Yasushi
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Primary Examiner(s)Hafer, Robert A.
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Assistant Examiner(s)RIMELL, SAMUEL G
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Application NumberUS07/771,304Time in Patent Office1,021 DaysField of Search604/408-416US Class Current604/410CPC Class CodesA61M 1/0209 Multiple bag systems for se...A61M 2039/222 frangible within tubing or ...
