Artificial Heart Valves, by Nicole Raia and David Ferreira

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Heart Valve Background

A cross-sectional view (across the transverse plane) of the four valves and their positioning on the heart.[1]
Anterior view of the heart showing the locations of the four heart valves [2]

Function

The heart has four chambers, which are responsible for the ciculation of blood throughout the body. Heart valves are one-way valves located at the points where blood either enters or exits a chamber of the heart, with the purpose of preventing backflow of blood.[3]

Potential Problems

History

Types of Heart Valves

Mechanical

Biological (tissue)

Current Manufacturers

References

  1. Image: http://www.womensheart.org/content/heartsurgery/heart_valve_replacment.asp

    [top_valves]

  2. Image: http://www.nursestopic.com/2011/08/heart-valves.html

    [side_valves]

  3. "Anatomy and Function of the Heart Valves." URMC Online Medical Encyclopedia. N.p., n.d. Web. 24 Feb. 2014.

    [valves]

Notes

  • Existing figures are good, please keep these!
  • Find more companies that create these artificial valves.
  • Can you find a video of the heart valve movement?

Side view to go along with the first image – it’s hard to make out where the valves sit from this angle.

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