| 摘要 |
Ophthalmic device for irrigating and removing debris from the eye. It comprises a needle (8) formed of two parallel tubes (8A and 8B) the open ends of which are close to one another, one tube (8A) being connectible to a syringe by way of a valve device (5) containing two one way valves one of which (11) provides passage only in the direction from the tube (8A) to a syringe (1) and the other of which (12) provides passage only in the direction from the syringe (1) to a discharge opening (14) and the other tube (8B) being connectible to a supply of irrigating liquid. The device is used by inserting the needle into the chosen part of the eye, allowing irrigating liquid to flow into the eye then operating the syringe first to withdraw liquid and contained debris from the eye into the syringe through the one valve (11) and then to discharge the liquid and contained debris to the discharge opening (14) through the valve (12). |
