Word: emboli
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Dates: during 1960-1969
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...necessary opening between them and stapling them together, in a 5-minute procedure that usually requires 20 minutes or more of scalpel work and stitching. One experimenter with the staplers, Dr. Mark Ravitch of the University of Chicago School of Medicine, has worked out a new way to prevent emboli (traveling blood clots) from passing into the lungs through the vena cava, the body's largest vein. He simply has the staples turned at right angles to form a filter which can be implanted in the vein swiftly and easily. Used in this manner, the new machines have already...
...bubble of air. An embolus can travel through an artery until it is caught at a narrow point, then shut off circulation to the tissues beyond. But last week two Georgetown University neurosurgeons reported that they had gone to a lot of trouble to make ultramodern emboli in the form of plastic pellets, and had used them to correct a brain defect...
...fact, they used four emboli, the surgeons reported in the A.M.A. Journal: tiny spheres of plastic (methyl methacrylate), with metal fragments inside to show up on X rays, and ranging from 2.5 mm. to 4.2 mm. in diameter. They opened the left side of the anesthetized patient's neck to expose the main branching of the carotid artery, principal supplier of blood to the brain. At 15-minute intervals they inserted successively larger plastic emboli. All came to rest at the base of the malformation, reducing its blood supply. The last and biggest pellet lodged for a while...