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 ?
asked the young girl, pointing with her parasol to the far-gleaming walls of the Chateau de Chillon.
She put up her parasol and walked back to the inn beside Eugenio.
As a matter of fact, Falk had come in because Hermann had asked him to inquire after the precious white cotton parasol which, in the worry and excitement of the previous day, he had forgot ten at the table where we had held our little discus sion.
the bride repeats, and her parasol breaks in her angry hand.
All women like finery--extraordinary the effect of those parasols.
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:
Is it not,' said Miss Monflathers, putting down her parasol to take a severer view of the offender, 'a most remarkable thing, Miss Edwards, that you have an attachment to the lower classes which always draws you to their sides; or, rather, is it not a most extraordinary thing that all I say and do will not wean you from propensities which your original station in life have unhappily rendered habitual to you, you extremely vulgar-minded girl?
Joe called attention to the fact that these immense parasols were in proper accordance with the intense heat of the sun, and made thereon some pious reflections which it were needless to repeat.
I have stood and watched it, sometimes, when you could not see any water at all, but only a brilliant tangle of bright blazers, and gay caps, and saucy hats, and many-coloured parasols, and silken rugs, and cloaks, and streaming ribbons, and dainty whites; when looking down into the lock from the quay, you might fancy it was a huge box into which flowers of every hue and shade had been thrown pell-mell, and lay piled up in a rainbow heap, that covered every corner.
The next morning, I found the lovely mistress of my destiny, with the softest of shawls on her shoulders, the brightest of parasols in her hand, and the smart little straw hat of the day before on her head, ready to show me the way to the fishing-place.
From his glances towards the ladies' pavilion (he was staring straight at her, but did not distinguish his wife in the sea of muslin, ribbons, feathers, parasols and flowers) she saw that he was looking for her, but she purposely avoided noticing him.
It is said that on the occasion of a visit from General Jackson or General Harrison to this town (I forget which, but it is not to the purpose), he walked through three miles and a half of these young ladies all dressed out with parasols and silk stockings.