Venous Cannula
Venous Return Cannula · Two-Stage Venous Cannula · Dual-Stage Venous Cannula · Single-Stage Venous Cannula · Right-Angle Venous Cannula · SVC Cannula · IVC Cannula
A large, clear plastic tube with wire-reinforceree-in-FORSTo repeat and support teaching or care that has already been started, so the client remembers and follows it.Full entry walls so it does not kink. The tip has many drainage holes; it may be straight or bent at a right angle. A two-stage cannulaKAN-yoo-luhA thin tube placed into the body or a body opening to deliver or remove fluid or air.Full entry also has a second ring of holes partway up the tube.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Drains the patient's venous blood from the heart to the heart-lung machine during cardiopulmonarykar-dee-oh-PUL-muh-nair-eeRelating to the heart and lungs together.cardi/o heartpulmon/o lung-ary relating toFull entry bypass. A two-stage cannulaKAN-yoo-luhA thin tube placed into the body or a body opening to deliver or remove fluid or air.Full entry goes in through the right atrialAY-tree-ulRelating to an atrium, one of the two upper chambers of the heart.atri/o atrium-al relating toFull entry appendage so one set of holes sits in the atriumAY-tree-umOne of the two upper chambers of the heart, which receive blood coming back to the heart.atri/o atrium-um noun endingFull entry and the tip in the inferior vena cavain-FEER-ee-er VEE-nuh KAY-vuhThe large vein that carries blood from the lower body back to the right atrium of the heart.inferior lowervena veincava hollowFull entry . For bicaval cannulation, a separate cannula goes in each vena cavaVEE-nuh KAY-vuhOne of the two large veins that return oxygen-poor blood from the body to the right atrium of the heart.Full entry ; a long right-angled cannula in the superior vena cavasuh-PEER-ee-er VEE-nuh KAY-vuhThe large vein that carries blood from the head, neck, arms and upper chest back to the right atrium of the heart.superior uppervena veincava hollowFull entry is also used to give retrograde cerebralsuh-REE-brul or SAIR-uh-brulHaving to do with the brain, especially the cerebrum, its largest part.cerebr/o brain, cerebrum-al relating toFull entry perfusionper-FYOO-zhunThe flow of blood through the body's tissues, bringing them oxygen and nutrients.per- throughfus pour-ion processFull entry during circulatory arrest.
Lengths and variants
Sized by French. LivaNova examples: single-stage right-angle 18 to 36 Fr; dual-stage 29/37 to 36/46 Fr, about 41 cm long. Straight or right-angle, bullet or lighthouse tip, with or without a sutureSOO-cherA stitch, or the thread used to stitch, that holds the edges of a wound or incision together.Full entry ring.
What experienced techs know
What techs who reach for it every day know about it.Pro
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4 sources
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 32 (Cardiac Surgery), p. 905, 909
- Rothrock JC. Alexander's Care of the Patient in Surgery. 17th ed. Chapter 25 (Cardiac Surgery), p. 982
- livanova.com
- livanova.com
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