Methods for collecting blood components

The method optimizes platelet collection in automated systems by separating plasma in stages, with real-time adjustments, addressing the limitation of premature termination due to circulating blood volume limits, ensuring efficient and safe component collection.

JP2026523240APending Publication Date: 2026-07-13TERUMO BCT INC
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Patent Information

Application Number
JP2025576196
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-06-30
Filing Date
2024-04-05
Publication Date
2026-07-13

AI Technical Summary

Technical Problem

Automated blood collection systems often prioritize plasma collection over platelet collection, leading to premature termination of the process due to circulating blood volume reduction limits, necessitating a method to enhance platelet collection efficiency.

Method used

A method for collecting blood components that includes separating a first volume of plasma, followed by total platelet collection, and then a second volume of plasma, with real-time adjustments to ensure operation within safe circulating blood volume limits, allowing for optimized platelet collection.

Benefits of technology

Enables efficient collection of platelets while maintaining compliance with safety limits, ensuring the desired blood components are collected without returning excess components to the donor.

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Abstract

A method for collecting blood components includes the steps of: separating a first volume of plasma from whole blood; separating a total amount of platelets that can be collected from the whole blood after the separation of the first volume of plasma; if the collected total amount is less than a maximum limit adjusted by real-time data regarding collection after the separation of the total amount of platelets, separating a second volume of plasma from the whole blood after the separation of the total amount of platelets, and then separating a total amount of red blood cells from the whole blood after the separation of the second volume of plasma; and if the collected total amount is at a maximum limit adjusted by real-time data regarding collection, separating a total amount of red blood cells from the whole blood after the separation of the total amount of platelets.
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