| 主权项 |
1. A surgical aspiration and irrigation device, comprising:
an outer cylinder having a distal end and a proximal end and forming an outer lumen, wherein the distal end of the outer lumen comprises a distal opening, and wherein the proximal end of the outer cylinder comprises a connector for connecting directly or indirectly to a tube, syringe, or suction and irrigation handpiece; an inner cylinder located within the outer lumen wherein the inner cylinder has a distal end and a proximal end and forms an inner lumen, wherein the distal end of the inner cylinder comprises a needle and a stopper configured to close the distal opening of the outer lumen around the needle; and a valve positioned at the proximal end of the inner lumen and moveably positioned near the proximal end of the outer lumen, wherein the valve is configured to control selectively aspiration and irrigation therethrough the inner lumen and the outer lumen, and wherein a seal is positioned about an outer circumference of the valve between the valve and outer cylinder. |
