Global Patent Index - EP 4128376 A1

EP 4128376 A1 20230208 - PUMP HAVING ELECTROACTIVE POLYMERS

Title (en)

PUMP HAVING ELECTROACTIVE POLYMERS

Title (de)

PUMPE MIT ELEKTROAKTIVEN POLYMEREN

Title (fr)

POMPE COMPORTANT DES POLYMÈRES ÉLECTROACTIFS

Publication

EP 4128376 A1 20230208 (DE)

Application

EP 21716971 A 20210325

Priority

  • DE 102020108755 A 20200330
  • EP 2021057684 W 20210325

Abstract (en)

[origin: WO2021197994A1] The present invention relates to a pump (1) having a pump actuator (2) which comprises at least one electroactive polymer, wherein the at least one electroactive polymer is arranged in such a way that a deformation of the at least one electroactive polymer occurs along the direction of the pump stroke of the pump. The invention also relates to a blood treatment machine comprising such a pump. A further aspect of the invention relates to a method for measuring the maintenance of pressure using such a pump.

IPC 8 full level

H10N 30/50 (2023.01); A61M 1/16 (2006.01); F04B 17/03 (2006.01); H02N 2/04 (2006.01); H10N 30/857 (2023.01)

CPC (source: EP)

A61M 1/14 (2013.01); F04B 19/20 (2013.01); H02N 2/043 (2013.01); H10N 30/50 (2023.02); H10N 30/857 (2023.02); F05C 2231/00 (2013.01); F05C 2251/08 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

DE 102020108755 A1 20210930; EP 4128376 A1 20230208; WO 2021197994 A1 20211007

DOCDB simple family (application)

DE 102020108755 A 20200330; EP 2021057684 W 20210325; EP 21716971 A 20210325