| 词汇 | catheter |
| 释义 | catheter noun[ C ] uk /ˈkæθ.ə.tər/ us /ˈkæθ.ə.t̬ɚ/ a long, very thin tube used to take liquids out of the body导（液）管 Medical & surgical equipment AED ampoule arthroscope aspirator balloon catheter bioengineer EKG endoscopic extracorporeal membrane oxygenation face mask FDG first aid kit magnetic resonance imaging stent stenting syringe syringe driver thermal blanket tomography ventilator A catheter was inserted into the bladder, tied in place and left in position for about eight weeks. He was in a wheelchair unable to walk, unable to control his legs or arms very well, was unable to control his bladder and required a catheter. It is necessary to use the catheter if retention of urine occurs. On the fourth day she passed urine spontaneously, and the catheter was never again used. The doctor had much difficulty in inserting the smallest catheter, and it caused intense pain and suffering. catheter | American Dictionarycatheter noun[ C ] us/ˈkæθ·ə·t̬ər/ medical a thin tube put into the body temporarily to help remove a liquid or to put in medicine Examples of cathetercatheter The balloon catheter was replaced by the end-hole catheter and angiography repeated. The catheter was removed and the guide-wire was left in the distal vessel. A catheter is introduced via the femoral artery and directed into the target vessel under image control. A brief period of asystole occurred during inflation, so both catheters were deflated and advanced into the ascending aorta. A major drawback of the technique is that only the elastic pulmonary arteries are accessible to current ultrasound catheters. Two patients underwent follow-up catheterization and angiography without any catheter intervention procedure or operation, and their follow-up periods were 2.5 and 4.5 years respectively. The diameters of the vessels were measured and corrected for magnification with reference to a catheter of known size. When labour begins, the patient should be monitored carefully using electrocardiographic, arterial, and epidural catheters. The catheters are much simpler and less costly. Pressure measurements and angiograms were repeated after implantation and all catheters removed. Figure 1 presents original chart recordings and compares rapid inflation of the balloon catheter with progressive inflation. The tip of the catheter was positioned near the sigmoid flexure anterior to the point at which the vein leaves the udder. An alternative is to use a catheter coated with a bactericidal substance. The catheter was then positioned to achieve a ventricular wave form which could be recorded through the holes of the catheter proximal to the balloon. The patient is imaged and planned and the catheters attached to the afterloader. 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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