20 Questions
Which type of pump was developed in the 17th century by Denis Papin?
Centrifugal pump
What safety feature was introduced in the 1950s for roller pumps?
Pressure-based servo-regulation
Which type of pump performs independent of afterload?
Roller pump
What can happen if there is sudden occlusion of the inlet of the roller head?
Tubing may cavitate and create air bubbles in the circuit
Which pump type utilizes a magnet and impeller combination to propel blood through the circuit?
Centrifugal pump
What is the purpose of servo-regulation in centrifugal pumps?
All of the above
What is the risk associated with rotary piston pumps?
Both A and B
What does servoregulation control in pumps?
Speed and position of a motor
What happens when servoregulation occurs in roller pumps?
Both A and B
What is the purpose of the Archimedes screw in pumping water?
Removing water from the hold of a large ship
Which type of pump was initially used in HLM technology in the 1950s?
Peristaltic pump
Who patented the first roller pump in 1855?
Porter and Bradley
Which pump design was intended for direct blood transfusion?
Surgical pump
Who developed the first double roller pump in 1899?
Charles Truax
What is the main function of peristaltic pumps in perfusion?
To move fluid
Which type of pump is used in cross-circulation according to the text?
Sigma motor pump
What type of pump is utilized in the Gibbon-IBM cardiopulmonary bypass machine?
Debakey-Schmidt pump
Which pump design is shown in the first published illustration of a roller pump for the transportation of blood?
Surgical pump
Which pump design is shown in the illustration from Charles Truax's prospectus?
Surgical pump
What was the initial purpose of developing equipment for circulatory and respiratory needs?
Oxygenation and de-airing
Test your knowledge on the different types of pumps used during cardiopulmonary bypass (CPB) in perfusion. Learn about their functions, safety concerns, and methods of servoregulation. Explore the Sigma motor pump and its unique design used in cross-circulation by Dr. C. Walton.
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