EP0095057A2
Expired / Lapsed
EP
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Blood collecting tube
Assignee: Terumo Corp
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Filing: 1980-09-11
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Granted: —
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Expires: 2000-09-11
Abstract
Abstract A blood coagulation-promoting agent (3) carried on a carrier (4) is disposed in a blood collection tube (1). The carrier (4) has a specific gravity which is heavier than that of blood cells and is suspended between the walls of the blood collection tube (1).
Inventors
- 👤 Yoshimitsu Asada
- 👤 Teruko Watanabe
- 👤 Toshiji Ichikawa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 06:46
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5021; B01L3/50215; B01D; B01D43/00; G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/491
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
45 words
A blood collection tube having a blood coagulation-promoting medium held in said tube with a bottom characterized in that the blood coagulation-promoting medium comprises a blood coagulation-promoting agent carried on a carrier having the specific gravity not less than the specific gravity of blood cells.
Claim 2
Dependent Claim
45 words
A blood collection tube having a blood coagulation-promoting medium held in said tube with a bottom characterized in that the blood coagulation-promoting medium comprises a blood coagulation-promoting agent carried on a carrier having the specific gravity not less than the specific gravity of blood cells.
Claim 3
Dependent Claim
31 words
A blood collection tube according to claim 1, characterized in that the blood coagulation-promoting agent is carried in an amount of 0.3 to 5.0 mg per 10 cc of collected blood.
Claim 4
Dependent Claim
18 words
A blood collection tube according to claim 1, characterized in that the carrier consists of a hydrophilic substance.
Claim 5
Dependent Claim
28 words
A blood collection tube according to claim 1, characterized in that the blood coagulation-promoting agent is carried via a binder which is soluble in serum on the carrier.
Claim 6
Dependent Claim
33 words
A blood collection tube according to claim 1, characterized in that the binder is a member selected from the group consisting of water-soluble silicon, polyethylene glycol, dextran, a cellulose derivative, and polyvinyl pyrrolidone.
Claim 7
Dependent Claim
35 words
A blood collection tube according to claim 1, characterized in that the blood coagulation-promoting agent is a member selected from the group consisting of glass powder, silica powder, kaolin, bentonite, diatomaceous sand, and siliceous sand.
Claim 8
Dependent Claim
22 words
A blood collection tube according to claim 1, characterized in that the serum separating agent is disposed in the blood collection tube.
Claim 9
Dependent Claim
29 words
A blood collection tube according to claim 1, characterized in that the blood coagulation-promoting medium is clamped between walls of the blood collection tube at an intermediate position thereof.
References Cited (Backward Citations)
No citation records indexed.
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