Blood-collecting device
First Claim
1. A blood-collecting device comprising:
- an outer cylinder including a blood inlet opening;
a gasket slidable in said outer cylinder;
a plunger for moving operation of said gasket;
an anti-coagulation agent supply piece with an anti-coagulation agent supported on at least one side of a plate-shaped supporting member, provided in a space surrounded by the outer cylinder and the gasket; and
said anti-coagulation agent supply piece maintaining a posture in the space by contact of a part of said anti-coagulation agent supply piece with an inner surface of the outer cylinder.
1 Assignment
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Accused Products
Abstract
A blood-collecting device comprises an outer cylinder, a gasket slidable in the outer cylinder, and a plunger for the moving operation of the gasket. A ventilatable filter member is mounted on the tip end part of a hole formed in the gasket. The hole communicated with the outside via the hole of the plunger and the internal space. An anti-coagulation agent supply piece with an anti-coagulation agent such as a heparin supported on one side or both sides of a plate-like supporting member is provided in a space surrounded by the outer cylinder and the gasket. The tip end side of the anti-coagulation agent supply piece having a shape tapered toward the blood inlet opening, and the anti-coagulation agent supply piece maintains its posture by linear contact of a pair of sides facing with each other with the inner surface of the outer cylinder.
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Citations
13 Claims
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1. A blood-collecting device comprising:
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an outer cylinder including a blood inlet opening;
a gasket slidable in said outer cylinder;
a plunger for moving operation of said gasket;
an anti-coagulation agent supply piece with an anti-coagulation agent supported on at least one side of a plate-shaped supporting member, provided in a space surrounded by the outer cylinder and the gasket; and
said anti-coagulation agent supply piece maintaining a posture in the space by contact of a part of said anti-coagulation agent supply piece with an inner surface of the outer cylinder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A medical device comprising a blood-collecting device, said blood-collecting device including:
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an outer cylinder including a blood inlet opening;
a gasket slidable in said outer cylinder;
a plunger for moving operation of said gasket;
an anti-coagulation agent supply piece with an anti-coagulation agent supported on at least one side of a plate-shaped supporting member, provided in a space surrounded by the outer cylinder and the gasket;
said anti-coagulation agent supply piece maintaining a posture in the space by contact of a part of said anti-coagulation agent supply piece with an inner surface of the outer cylinder; and
wherein said blood-collecting device is wrapped in a plastic film and applied with sterilization.
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Specification