| 词汇 | cannula |
| 释义 | cannula noun[ C ] medical specializeduk /ˈkæn.jə.lə/ us /ˈkæn.jə.lə/ a thin tube that can be put into the body, for example to put in medicine or remove blood: （输药等的）插管 An insulin pump requires the insertion of a cannula under the skin.胰岛素泵需要在皮下插入插管。 Medical & surgical equipment AED arthroscope aspirator balloon catheter bioengineer catheter EKG extracorporeal membrane oxygenation face mask FDG first aid kit gastroscope magnetic resonance imaging stenting syringe syringe driver thermal blanket tomography tongue depressor ventilator Examples of cannulacannula The adequacy of the (hemoconcentrated) volume replaced from the pump via the arterial cannula is judged by monitoring the left atrial pressure continuously during ultrafiltration. Once again, a transvenous approach was used with arterial blood pressure monitoring and sampling via a small peripheral arterial cannula (22 gauge). A tracheal cannula was inserted and an external jugular vein cannulated. We experienced no trouble in inserting the cannula while, in addition, no aortic obstruction was observed when weaning any of the patients from bypass. Deep hypothermic arrest is used in very small infants where arterial and venous cannulas would cause significant obstructive of the operative field. Median sternotomy was performed and cannulas placed in the right atrium and ascending aorta. Malposition of the cannulas was demonstrated by ultrasound investigation (17.1 % for the venous and in 6% for the arterial cannula). Radiolabelled microspheres were injected directly into the cannula used for arterial return. The cannula was placed in the subretinal space, and 5 l of virus solution was injected at a rate of 1060 l0min. The 2.1 mm cannula is used for neonates. To the best of our knowledge, this cannula has the highest internal-external diameter ratio among the pediatric arterial cannulas presently available for use in neonates. As arteriovenous ultrafiltration is done via the arterial cannula, this could be important if the arterial cannula placed in a small aorta is obstructive. The arterial cannula was immediately inserted into the opened aorta and a single venous cannula was placed in the right atrium. After 10 days, a vertical incision was made into the rumen and a cannula inserted. In the smallest infants total circulatory arrest with one venous cannula is occasionally used. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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