umbrella

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A stainless steel sieve placed IV below the renal arteries via the jugular vein, designed to trap deep vein thrombi in the inferior vena cava

umbrella

Mobin-Uddin umbrella Heart surgery A stainless steel sieve placed IV below the renal arteries via the jugular vein, designed to trap deep vein thrombi in the inferior vena cava. See Deep vein thrombosis, Pulmonary thromboembolism.
References in classic literature ?
In such cases as these,' pointing to Nell, with her parasol, 'and in the case of all poor people's children, we should read it thus:
said Jo, strolling along with her hands behind her, partly from habit, partly to conceal the bespattered parasol.
Victor escorted her out upon the banquette, lifted her parasol, and held it over her while he walked to the car with her.
You meet me in the shrubbery at home, talking over the private theatricals with my old playfellow, whom I knew when I was no taller than this parasol.
He heard a rustle of skirts against the box, and sat motionless, leaning on the parasol handle with clasped hands, and letting the rustle come nearer without lifting his eyes.
She was bareheaded, but she balanced in her hand a large parasol, with a deep border of embroidery; and she was strikingly, admirably pretty.
At once a little girl rose from her seat and walked to the door of the car, carrying a wicker suit-case in one hand and a round bird-cage covered up with newspapers in the other, while a parasol was tucked under her arm.
She glanced at him sideways under her lace parasol.
Miss Barry, who was sitting behind them, leaned forward and poked Marilla in the back with her parasol.
Lady Jane followed him, and tapped him briskly on the shoulder with her parasol.
She hung her head and swung the parasol slightly to and fro.
Lady Partlet marshalled all her daughters round her with a sweep of her parasol and retreated from the pier, darting savage glances at poor little Becky who stood alone there.