Repositioning Unit
Component
Pigtail
Outlet area
Cannula
Differential pressure
sensor
Blue Impella
®
Plug
Pigtail
Clear
Sidearm
Check
Valve
Catheter
Shaft
Inlet Area
Motor Housing
Description
The 6 Fr pigtail is attached to the cannula at the distal end of the
outlet area. It assists with stabilizing the catheter in the correct
position in the pulmonary artery.
The outlet area, located at the distal tip of the cannula, has 5 openings
(windows) that allow blood to exit the cannula.
The 22 Fr cannula is designed for the anatomy of the right heart, to
provide optimal and stable position during operation. The cannula
is made of nitinol and covered in polyurethane with spiral shaped
reinforcement integrated into the cannula.
A sensor that measures the pressure difference between the inside and
outside of the cannula. The pressure value is used for monitoring low
during catheter operation.
3.3
IMPELLA
®
RP CATHETER
The Impella® RP Catheter is an intracardiac microaxial blood pump that delivers up to 4.0 liters of blood
per minute from the inferior vena cava into the pulmonary artery. Figure 3.3 illustrates the Impella® RP
Catheter. The Impella® RP Catheter has a specially designed three dimensional cannula that is sized to
fit through the vessels and hearts of pediatric and adult patients with a Body Surface Area (BSA) equal
to or greater than 1.5 m
2
. Table 3.1 describes each component from the pigtail at one end to the check
valve on the other end.
Figure 3.3 Impella
®
RP Catheter
Table 3.1 Impella
®
RP Catheter Components
Impella
®
RP with the Automated Impella
®
Controller
Infusion
Filter Pressure
Reservoir
Differential
Pressure
Sensor
Cannula
Outlet
Area
