What is the most promising home medical device for you in the future?

I think the family with a medical examination detector, so you can save the trouble of going to the hospital queue, their own home can do a medical examination, especially in the serious aging of the population, if there is such a device will be very convenient, the old man of the family to go to the hospital a trip is very hard, this way you can reduce the trouble of the family medical care. Through the accurate data of the detector, you can know how to need to treat, I hope to be able to develop in this area!