A device for the aerial release of mosquitoes includes an unmanned aerial vehicle operable by remote control. The cavities have conical inner surfaces and bottoms with fastener engagements. The reflector lamp is particularly suitable for projection applications because of its high luminous efficacy. As the span of the bristles decreases, the bristles stiffen, allowing the broom to be used for heavier brushing action. The fixing member supports the wings opened to be coplanar with each other, serves to stably fix the winged angled needle assembly to an implanted port in an installed state and also works as a support for pulling the angled needle out of the port, so that the winged angled needle assembly can minimize the mental stress of a patient.