| 单词 | roller pump |
| 释义 | > as lemmasroller pump roller pump n. †(a) a pump which is operated by rotational motion (obsolete); (b) (Medicine) a pump in which propulsive force is provided by the movement of a roller along a rubber tube, typically used in a heart-lung machine for pumping blood. ΚΠ 1817 Northern Star Oct. 299/2 A patent has recently been granted for a roller pump. This pump is wrought by a rotatory, instead of a reciprocating motion. 1898 Trans. Med. Soc. N.Y. 389 The roller-pump is of great service in emptying the stomach after lavage. 1953 Science 15 May 537/2 The DeBakey roller pump..squeezes a length of rubber tubing by means of a roller. 1996 S. A. Berger in S. A. Berger et al. Introd. Bioengin. iii. 155/1 This peristaltic pumping action..is also used in man-made devices, such as roller pumps, much used as part of heart-lung machines. < as lemmas |
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