Global patent index - EP 1011751 A1

EP 1011751 A1 2000-06-28 - ULTRASONIC BLOOD VOLUME MEASUREMENT SOFT-SHELL VENOUS RESERVOIR

Title (en)

ULTRASONIC BLOOD VOLUME MEASUREMENT SOFT-SHELL VENOUS RESERVOIR

Title (de)

ULTRASCHALLMESSUNG DES BLUTVOLUMENS IN WEICHSCHALIGEN BEHÄLTERN FÜR VENÖSES BLUT

Title (fr)

MESURE PAR ULTRASONS DU VOLUME SANGUIN D'UN RECIPIENT VEINEUX A PAROI SOUPLE

Publication

EP 1011751 A1 (EN)

Application

EP 98913066 A

Priority

  • US 9805727 W
  • US 84068797 A

Abstract (en)

[origin: WO9848868A1] Blood volume in a soft-shell venous reservoir is measured for real-time display by ultrasonically measuring the distance between the walls of the reservoir bag at representative points and determining the volume of the bag by an interpolation based on the known shape of the reservoir bag as it expands and contracts.

IPC 1-7 (main, further and additional classification)

A61M 1/36

IPC 8 full level (invention and additional information)

G01F 17/00 (2006.01); A61M 1/36 (2006.01); G01B 17/00 (2006.01); G01B 17/02 (2006.01); G01F 23/20 (2006.01); G01G 17/04 (2006.01)

CPC (invention and additional information)

G01G 17/04 (2013.01); A61M 1/3609 (2013.01); A61M 1/3624 (2013.01); A61M 1/3636 (2013.01); G01F 23/20 (2013.01); A61M 2205/3389 (2013.01); A61M 2205/3393 (2013.01); A61M 2209/082 (2013.01)

Citation (search report)

See references of WO 9848868A1

Designated contracting state (EPC)

DE IT

EPO simple patent family

WO 9848868 A1 19981105; EP 1011751 A1 20000628; JP 2001523339 A 20011120; JP 4160128 B2 20081001

INPADOC legal status

2003-03-05 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Effective date: 20021205

2000-06-28 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991111

2000-06-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE IT