| 释义 |
catheter Med.|ˈkæθɪtə(r)|
[a. L. cathetēr, a. Gr. καθετήρ anything let down into, a catheter, f. καθιέναι to send or let down.]
A long tubular instrument, of metal or caoutchouc, more or less curved at the end, for passing into the bladder in order to draw off urine, etc.; a similar tube for use with other canals (e.g. the Eustachian catheter).
1601Manningham Diary Feb. 23 A crooked instrument concaued at the one ende called a catheter. 1684R. Johnson Enchirid. Med. iii. xxiv. 275 Draw away the Urine with a Catheter. 1844Dufton Deafness 43 Warm water..may be injected, by means of a catheter introduced into the Eustachian tube, into the meatus. 1876Gross Dis. Bladder 35. |