← USPTO Patent Grants

Blood component sampling cassette, blood sampling circuit set, and blood component sampling system

Reissue USRE050824E1 Kind: E1 Mar 17, 2026

Assignee

TERUMO KABUSHIKI KAISHA

Inventors

Masatsugu Igarashi

Abstract

A blood component sampling cassette which can be more efficiently manufactured at lower cost as compared to a typical cassette, a blood sampling circuit set, and a blood component sampling system. A blood component sampling cassette (22) includes a cassette main body (23) made of a soft material to which heat sterilization is applicable. The cassette main body (23) is provided with a retransfusion line (44). The retransfusion line (44) is provided with a reservoir (47) configured to temporarily store a blood component to be returned to a blood donor. The reservoir (47) is pressed by a retransfusion pump (49) to discharge the blood component from the reservoir (47).

CPC Classifications

A61M 1/0245 A61M 1/362261 A61M 1/362266 A61M 1/362264 A61M 1/3693 A61M 1/36224 A61M 1/0209 A61M 1/3621 A61M 1/362262 A61M 1/0236 A61M 1/38 A61M 60/851 A61M 60/279 A61M 60/39 A61M 60/847 A61M 60/104 A61M 60/554 A61M 60/441 A61M 2205/3331 A61M 2205/0439 A61M 2205/0427 A61M 2205/0429 A61M 2205/0415 A61M 2205/12 A61M 2205/123 B04B 5/0442 B04B 11/02

Filing Date

2024-03-04

Application No.

18594959

Claims

20