| 摘要 |
A suction device (10) is disclosed comprising a moulded plastics handle (12) having a suction bore (14) therethrough and the spiggot (16) for connection between the hospital suction source. The device further comprises a probe (18) having a suction passage (20) therethrough and terminating in a suction tip (22). At its proximal end the probe (18) is formed with a male thread (48) which threadedly engages in internal threads (34) provided at an enlarged entrance portion (30) of the handle (12). The proximal end of the probe (18) terminates in an end member (52) which fits within a reception bore (26) located between the front bore and the suction bore (14) of the handle (12). The dimensions of the end member (52) are such that there is an annular space (54) between the reception bore (26) and the end member (52) and this space (54) connects through an opening (58) through the suction bore (14). The handle (12) has a controllable suction port (38) whereby the suction at the tip (22) can be controlled. This port (38) opens into the annular space (54) upstream of the connection between the opening (58) and the suction bore (14). Various modifications including modifications for use with flexible catheters are also described. <IMAGE> |
