Filtering Technology in Cardiopulmonary Bypass

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Questions and Answers

Which type of filter is designed to remove debris and gross air, and may contain a defoamer?

  • Depth filter (correct)
  • Screen filter
  • Polyurethane filter
  • Cardiotomy reservoir

What material are screen filters typically made of?

  • Polyurethane
  • High-efficiency polyester
  • Polyester mesh (correct)
  • Woven fibers

What is the size range of screen filters?

  • 0.2 μm to 40 μm (correct)
  • 20 μm to 30 μm
  • 0.02 μm to 40 μm
  • 20 μm to 120 μm

What is the purpose of an arterial line filter?

<p>To trap particulates or emboli larger than its pore size (B)</p> Signup and view all the answers

What is the common name for a high flow blood filter with a micron size of 40, but with 20-30 micron options available?

<p>Pall Filter (B)</p> Signup and view all the answers

What is the micron size of a pre-bypass filter?

<p>0.2 (A)</p> Signup and view all the answers

What is the main purpose of depth filters?

<p>To remove debris and gross air (C)</p> Signup and view all the answers

What is the depth filter made of?

<p>High-efficiency polyester (A)</p> Signup and view all the answers

Which filter type is the most common in the extracorporeal circuit?

<p>Screen filter (D)</p> Signup and view all the answers

Which filter type is typically pleated to allow for a larger surface area in a confined space?

<p>Screen filter (B)</p> Signup and view all the answers

Flashcards

Depth filter function

Removes large debris and air from the system, sometimes with a defoamer.

Screen filter material

Typically made of polyester mesh.

Screen filter size range

0.2 μm to 40 μm.

Arterial line filter purpose

Traps particulates and emboli larger than its pore size.

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Pall Filter description

High-flow blood filter. Standard 40 microns but also 20-30 microns available.

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Pre-bypass filter size

0.2 micron.

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Depth filter purpose

Removes large debris and air

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Depth filter material

High-efficiency polyester.

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Extracorporeal circuit common filter

Screen filter is most common.

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Pleated Screen filter advantage

Pleated design maximizes surface area in a compact space.

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