Guidewires, Catheters, And Sheaths Exam Study Guide 2024
1 view 0 purchase
Course
Wires, Catheters, And Sheaths
Institution
Wires, Catheters, And Sheaths
Describe the basic construction of guidewires.
Definition
There are 3 Main types of Guidewires.
Name them.
1. Access Wires
2. Maneuver Wires
3. Rail Wires
Describe the basic construction of an Access guidewire
1. They tend to be short
2. They have a floppy/flexible tip in order to ...
Guidewires, Catheters, And Sheaths
Exam Study Guide 2024
Describe the basic construction of guidewires.
Definition
There are 3 Main types of Guidewires.
Name them.
1. Access Wires
2. Maneuver Wires
3. Rail Wires
Describe the basic construction of an Access guidewire
1. They tend to be short
2. They have a floppy/flexible tip in order to be as atraumatic to internal structures as
possible
Describe performance parameters of a guidewire
Definition
What are guidewire CORES usually made of?
Either Stainless Steel or Nitinol
Name 5 Standard Performance Characteristics of a Guidewire
1. Flexibility
2. Trackability
3. Torque Transmission
4. Support
5. Stiffness
Guidewires, Catheters, And Sheaths
, Guidewires, Catheters, And Sheaths
Guidewires are typically made of 4 Components.
Name them.
1. Core
2. Outer Coating
3. Presence or absence of polymer jacket or cover
4. Wire Tip
Define FLEXIBILITY as it relates to a guidewire
Flexibility: the ability of the wire to bend when direct pressure is applied to the wire tip.
Often, the end of the wire tip is wrapped in a ribbon of flexible metal.
Why is this done?
To make the tips MORE FLEXIBLE and ATRAUMATIC
Tip (Spring) Coils provide what to the physician?
More tactile feedback
One drawback to a Tip Coil design is what?
Tip Coils increase the amount of friction, making them MORE difficult to navigate in
tortuous vessels
The design of a Tip Coil helps determine WHAT about a guidewire?
TORQUEABILITY and CROSSABILITY
One recent innovation tip technology is the use of a MICRO-CUT Nitinol sleeve.
What is the advantage of this design?
This construction allows the majority of the TORQUE to be transmitted by the SLEEVE,
rather than the core.
What does the addition of a POLYMER COATING do to a Guidewire?
Makes them more HYDROPHILIC or HYDROPHOBIC
Guidewires, Catheters, And Sheaths
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller PossibleA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
