Therapeutic Catheters Flashcards
Therapeutic Catheter
Used to treat arrhythmias. Delivers radiofrequency (RF) energy to the catheter tip electrode.
Diagnostic Catheter
Used to detect electrical activity in various locations in the heart to evaluate a suspected arrhythmia. Can also be used to pace the heart during the procedure. Available in Auto ID and non-Auto ID platforms.
Navigational (NAV) Catheter
Has a magnetic sensor, known as a “location” sensor, in the tip that allows the catheter to be used for 3D electroanatomical mapping.
Non-Navigational (Non-NAV) Catheter
Has electrodes, but it does not have a location sensor in the tip, meaning it cannot be used to create 3D electroanatomical maps.
Fixed Curve Catheter
Has a predefined distal curve shape. Available only in diagnostic catheters.
Deflectable Catheter
The physician, using the catheter’s handle, can change the direction, or “deflect” the tip of the catheter independent of the rest of the catheter. The tip then returns to its original shape. Deflectable catheters are either uni-directional or bi-directional.
Uni-Directional Catheter
The tip of the deflectable catheter can only be pulled in one direction.
Bi-Directional Catheter
The tip of the deflectable catheter can be pulled in two directions (two curves in one feature).
Catheter Tip
Holds the electrode(s) that are in contact with the heart tissue. In a therapeutic catheter, the tip electrode delivers RF energy into the heart tissue.
Catheter Shaft
Houses several electrical wires and provides maneuverability and stability. Biosense Webster catheter shafts have 32 double wire stainless steel braiding for support and 1:1 torqueability.
Catheter Handle
Provides the grip for the physician or operator. In a deflectable catheter, it connects the puller wires and provides the deflection mechanism and range (curve).
Catheter Connector
Allows you to connect the catheter to an interface cable.
Auto-ID
Biosense Webster catheters with this feature can be automatically recognized by the CARTO® 3 System.
Torqueability
When the physician turns the handle of the catheter, the tip responds (torques) in the same direction and distance.
Dual-Sensor Catheter
Built with two temperature sensors so that temperature is accurately measured across the entire electrode rather than just at the tip. This type of temperature sensor is only in the 8mm Ablation catheter.