Title:
PHYSIOLOGICAL SENSOR DELIVERY DEVICE AND METHOD
Document Type and Number:
Japanese Patent JP2022009151
Kind Code:
A
Abstract:
To provide a method of measuring Fractional Flow Reserve (FFR).SOLUTION: The method of measuring Fractional Flow Reserve (FFR) includes: advancing a sensor delivery device within a guiding catheter to a location of interest, the sensor delivery device comprising a distal sleeve including a distal sensor and a proximal sensor; advancing only a distal portion of the distal sleeve outside of the guiding catheter such that the distal sensor is outside of the guiding catheter and downstream of the location of interest and the proximal sensor is inside of the guiding catheter; measuring a distal fluid pressure with the distal sensor distal to the location of interest; measuring a reference fluid pressure with the proximal sensor inside of the guiding catheter; and calculating FFR. One or both of the proximal and distal sensors may be comprised of a material having a low thermal coefficient.SELECTED DRAWING: Figure 1
Inventors:
JASON F HILTNER
Application Number:
JP2021168923A
Publication Date:
January 14, 2022
Filing Date:
October 14, 2021
Export Citation:
Assignee:
ACIST MEDICAL SYS INC
International Classes:
A61B5/0215
Domestic Patent References:
| JP2012501807A | 2012-01-26 | |||
| JPH10267775A | 1998-10-09 | |||
| JP2014511114A | 2014-05-08 |
Foreign References:
| WO2014025255A1 | 2014-02-13 | |||
| WO2013177577A2 | 2013-11-28 |
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mihashi
Koichi Ito
Taiki Sone
Yuki Tone
Shinji Mihashi
Koichi Ito
Taiki Sone
Yuki Tone