| 单词 | vacuum extractor | 
| 释义 | > as lemmasvacuum extractor   vacuum extractor  n. a cup-shaped appliance for achieving this. ΘΚΠ the world > health and disease > healing > medical appliances or equipment > obstetrical equipment > 			[noun]		 birth stool1627 forceps1634 ungula1684 unguis1752 fillet1753 crotchet1754 lack1754 tire-tête1754 perforator1790 vectis1790 cranioclast1860 binder1861 stirrup1936 vacuum extractor1954 birthing stool1956 ventouse1960 1954    T. Malmström in  Acta Obstetrica et Gynecologica Scandinavica XXXIII. Suppl. No. 4. 5  				The vacuum extractor ad modum Dr Malmstrom is constructed and manufactured in co-operation with R. Soderberg & Co, Gothenburg, Sweden. 1960    Proc. Royal Soc. Med. 53 749/1  				The vacuum extractor consists of a flattened round metal cup with bulging sides. 1980    S. Kitzinger Pregnancy & Childbirth 260  				Sometimes a vacuum extractor, or ventouse, is used instead of forceps. < as lemmas | 
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