| 摘要 |
A medical device is provided. The device includes a cannula with a lumen and a plurality of apertures and a visually perceptible indicator that is configured to allow the cannula to be positioned at an appropriate rotational position within the patient. A plurality of injection needles are disposed within the lumen and a first handle is fixed with respect to the cannula and a second handle is disposed in conjunction with the first handle and fixed to the proximal portion of each of the plurality of needles, the first handle is translatable with respect to the second handle to translate the plurality of needles from a first position where the distal portions of each of the plurality of needles are disposed within the lumen of the cannula, and a second position where the distal portion of each of the plurality of needles extends out of the lumen through their respective aperture. |
