Bodyguard

This portable detoxification first-aid gadget is easily operated, which can suck out venom rapidly. To make it work, you just need to cover the wounded part with its rubber nozzle, and then by keep clenching and unclenching the handles, just like using the scissors, you can control your Bodyguard to suck blood. Not only can it allow the injured to operate alone, but also it can help avoid secondary poisoning. The blood sucked out will flow into the a tube right in between the handles, which can be further analyzed. It also has lighting for emergency, which would be a helper for travellers.