EP0455215B1
Expired / Lapsed
EP
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Blood collection device
Assignee: Terumo Corp
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Filing: 1991-04-30
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Granted: 1996-10-02
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Expires: 2011-04-30
Abstract
No abstract record available.
Inventors
- 👤 Noboru C/O Terumo Kabushiki Kaisha Ishida
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 13:41
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61M39/221; A61M1/00; A61M1/02; A61M1/0209; A61M1/0231; A61M1/0236; A61M2039/222; A61M2205/00; A61M2205/75; A61M2205/7536
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
239 words
A blood collection device comprising: - blood collecting means (9); - a blood-collecting tube (7); - a blood container (1) made of a soft material, connected to the blood-collecting means (9) by the blood-collecting tube (7), and defining a blood-storing space (5); - a branching member (29) connected to the blood-collecting tube (7) and positioned between the blood collecting means (9) and the blood container (1); - branch tube means (35, 39) having one end portion connected to the blood-collecting tube via the branching member (29) and having a second end portion; - a flow stopper means (33) positioned in the branch tube means (35, 39) for selectively opening the branch tube means; characterised in that - a filter (31) is connected to the second end portion of the branch tube means (35, 39) for passing a gas therethrough and for preventing a passage of blood therethrough, the filter allowing the passage of gas; - the flow stopper means (33) is positioned in the branch tube means (35, 39) between the filter (31) and the blood-collecting tube (7) for selectively opening the branch tube means, - the flow stopper means (33) comprises a breakable member (37, 41, 43) for opening the branch tube means when the breakable member is broken, wherein breaking of the breakable member opens the branch tube means and permits air to enter the blood-collecting tube (7) via the filter (31) and the branch tube means.
Claim 2
Dependent Claim
18 words
The device according to claim 1, characterised in that anticoagulant solution is contained in the blood-storing space (5).
Claim 3
Dependent Claim
30 words
The device according to claim 1 or 2, characterised by further comprising an erythrocyte-preserving solution container (27) connected to the blood container (1) by at least one tube (13, 25).
Claim 4
Independent Claim
30 words
The device according to any of claims 1 to 3, characterised by further comprising a blood-component container (17) connected to the blood container (1) by at least one tube (13).
Claim 5
Independent Claim
88 words
The device according to any of claims 1 to 4, characterised in that the breakable member comprises a hollow portion (37) positioned in the branch tube means and having a through hole formed therein, a solid portion (41) closing the through hole of the hollow portion (37), and a frangible zeal portion (43) connecting the hollow portion (37) and the solid portion 41, the hollow portion (37), the solid portion (41) and the frangible portion (43) being made of hard synthetic resin and formed integrally with one another.
Claim 6
Dependent Claim
46 words
The device according to claim 5 characterised in that the solid portion (41) has means for preventing the solid portion (41) from abutting on the filter (31) after the solid portion (41) is separated from the hollow portion (37) by breaking of the frangible portion (43).
References Cited (Backward Citations)
WO1983001573A1
Cited
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