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14 Cards in this Set

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support or backup
ability to remain in position despite resistance, used in reference to angioplasty guide catheters when advancing a balloon catheter against resistance. A function of stiffness and configuration.
Hub
fitting on the proximal end of the catheter
trackability
ability of a catheter to follow a guidewire along its course through the vascular anatomy. A function of the proper combination of flexibility and pushability
memory
ability to recover and maintain a specific configuration after insertion and guidewire removal
strength
ability to withstand high pressure injections. A term used in reference to angiographic catheters, which need to withstand high injection pressurees associated with high contrast flow rates.
stability
ability of a catheter to remain in position, a function of stiffness, memory, and matching of catheter configuration to anatomy
tip
the final taper or distal end of the catheter. The part inserted into the patient first.
Maneuverability
ability to advance the catheter around sharp bends or through tortuous vascular segments. Implies flexibility and torque control.
Body
segment of the catheter between the tip and hub
axial control
ability to directly transmit forces from the end of the catheter to the tip
pushability or power
ability to directly transmit force applied to the hub of the catheter longitudinally to the tip. (of considerable importance in balloon angioplasty)
pliability
ability to bend and to be shaped
flexibility
ability of a section of catheter to bend on contact with a resistant surface
torque control
ability to directly transmit rotational forces from the end of the catheter to the tip. Synonymous with axial control.