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公开(公告)号：AU647151B2
公开(公告)日：1994-03-17
申请号：AU8051591
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： BENJAMIN GRANT S , RITCHEY BRIAN , SCHOENDORFER DONALD W
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公开(公告)号：DE69116649T2
公开(公告)日：1996-09-26
申请号：DE69116649
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： HWANG YEAN , RITCHEY BRIAN , SCHOENDORFER DONALD
Abstract: Whole blood is separated into components in a separator (46) to produce platelet-rich plasma in a first operation in which a low amount of anticoagulant is added to the whole blood sufficient to prevent coagulation. Further anticoagulant is passed through the separator (46) after the whole blood flow has been stopped, so as to add further anticoagulant to the platelet-rich plasma to promote storage. This permits a higher platelet yield to be obtained in the separator.
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公开(公告)号：DE69116649D1
公开(公告)日：1996-03-07
申请号：DE69116649
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： HWANG YEAN , RITCHEY BRIAN , SCHOENDORFER DONALD
Abstract: Whole blood is separated into components in a separator (46) to produce platelet-rich plasma in a first operation in which a low amount of anticoagulant is added to the whole blood sufficient to prevent coagulation. Further anticoagulant is passed through the separator (46) after the whole blood flow has been stopped, so as to add further anticoagulant to the platelet-rich plasma to promote storage. This permits a higher platelet yield to be obtained in the separator.
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公开(公告)号：AU8051591A
公开(公告)日：1992-01-07
申请号：AU8051591
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： BENJAMIN GRANT S , RITCHEY BRIAN , SCHOENDORFER DONALD W
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Patent Agency Ranking
公开(公告)号：CA2064757A1
公开(公告)日：1991-12-15
申请号：CA2064757
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： BENJAMIN GRANT S , RITCHEY BRIAN , SCHOENDORFER DONALD W
Abstract: 2064757 9119522 PCTABS00008 A needle assembly (60) is provided for withdrawing and returning blood and blood components to a patient or other donor, especially in a machine-assisted blood component separating operation, whereby the incidence of clotting and the size of clots formed in the needle is greatly minimized. The needle assembly is especially useful in situations where only low levels of anticoagulant are added to the extracorporeal blood, which, but for the improved needle assembly, would exacerbate the problem of clot formation at the needle. The assembly (60) includes attached tubing (66) having an internal diameter adjacent the blunt end (72) of the needle (68) that is equal to, or preferably less than, the internal diameter of the needle.
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公开(公告)号：CA2064694A1
公开(公告)日：1991-12-15
申请号：CA2064694
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： HWANG YEAN Y , RITCHEY BRIAN , SCHOENDORFER DONALD W
Abstract: Method and apparatus are provided for machine separation of blood into blood components, wherein a preselected fluid such as anticoagulant is added to at least two different locations (16, 112) through the fluid flow path of the sec (10), in order to promote the different functional characteristics in different blood components. The method results in reduced incidence of citrate reaction in the blood donor and increased platelet yield in platelet rich plasma (60) collected during the procedure.
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公开(公告)号：CA2064694C
公开(公告)日：2001-12-25
申请号：CA2064694
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： HWANG YEAN YOW , RITCHEY BRIAN , SCHOENDORFER DONALD W
Abstract: Method and apparatus are provided for machine separation of blood into blood components, wherein a preselected fluid such as anticoagulant is added to at least two different locations (16, 112) through the fluid flow path of the sec (10), in order to promote the different functional characteristics in different blood components. The method results in reduced incidence of citrate reaction in the blood donor and increased platelet yield in platelet rich plasma (60) collected during the procedure.
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公开(公告)号：DE69129419T2
公开(公告)日：1999-01-07
申请号：DE69129419
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： HWANG YEAN YOW , RITCHEY BRIAN , SCHOENDORFER DONALD W
Abstract: Whole blood is separated into components in a separator (46) to produce platelet-rich plasma in a first operation in which a low amount of anticoagulant is added to the whole blood sufficient to prevent coagulation. Further anticoagulant is passed through the separator (46) after the whole blood flow has been stopped, so as to add further anticoagulant to the platelet-rich plasma to promote storage. This permits a higher platelet yield to be obtained in the separator.
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公开(公告)号：DE69129419D1
公开(公告)日：1998-06-18
申请号：DE69129419
申请日：1991-06-12
Applicant: BAXTER INT
Inventor： HWANG YEAN YOW , RITCHEY BRIAN , SCHOENDORFER DONALD W
Abstract: Whole blood is separated into components in a separator (46) to produce platelet-rich plasma in a first operation in which a low amount of anticoagulant is added to the whole blood sufficient to prevent coagulation. Further anticoagulant is passed through the separator (46) after the whole blood flow has been stopped, so as to add further anticoagulant to the platelet-rich plasma to promote storage. This permits a higher platelet yield to be obtained in the separator.
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