EP0419346A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Filter for purification of platelets
Assignee: Terumo Corp
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Filing: 1990-09-18
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Granted: —
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Expires: 2010-09-18
Abstract
Abstract A filter for the purification of platelets by dint of selective removal of leucocytes as extraneous matter from blood components, which filter has as a main part thereof a porous body possessing a three-dimensional reticularly continuous texture containing continuous open pores 6 to 12 µm in average diameter and allowing substantially no presence of acute projection inside said pores.
Inventors
- 👤 Hitoshi Kuroki
- 👤 Shinichiro Kuroda
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 11:15
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/1669; B01D39/1676; A; A61; A61M; A61M2202/00; A61M2202/04; A61M2202/0413; A61M2202/0427; A61M2202/0439
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
59 words
A filter for the purification of platelets by dint of selective removal of leucocytes as extraneous matter from blood components, which filter has as a main part thereof a porous body possessing a three-dimensional reticularly continuous texture containing continuous open pores 6 to 12 µm in average diameter and allowing substantially no presence of acute projection inside said pores.
Claim 2
Dependent Claim
59 words
A filter for the purification of platelets by dint of selective removal of leucocytes as extraneous matter from blood components, which filter has as a main part thereof a porous body possessing a three-dimensional reticularly continuous texture containing continuous open pores 6 to 12 µm in average diameter and allowing substantially no presence of acute projection inside said pores.
Claim 3
Dependent Claim
15 words
A filter according to claim 1, wherein said porous body is formed of polyurethane resin.
Claim 4
Dependent Claim
23 words
A filter according to claim 1 or claim 2, wherein a pore diameter distribution is in the range of 2 to 30 µm.
Claim 5
Dependent Claim
20 words
A filter according to claim 2, wherein said average pore diameter is in the range of 8 to 10 µm.
Claim 6
Dependent Claim
21 words
A filter according to claim 2, wherein the thickness of said filter is in the range of 0.3 to 10.0 mm.
Claim 7
Dependent Claim
21 words
A filter according to claim 2, wherein the thickness of said filter is in the range of 0.5 to 3 mm.
Claim 8
Dependent Claim
18 words
A filter according to any of claims 1 to 3, wherein said blood component is a platelet suspension.
Claim 9
Dependent Claim
17 words
A filter according to any of claims 1 to 3, wherein said blood component is whole blood.
References Cited (Backward Citations)
No citation records indexed.
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