Patent ID: 9717455
Date: 2017-08-01
CPC Classifications: A61B,F16K,G01F,G05D,Y10T

Claim:
1. An apparatus, comprising: a substrate having a surface and a channel, wherein the channel includes a first end, a second end, and a body with a volume; a valve coupled to the channel at the first end, wherein the valve is configured to allow a fluid to pass into the channel when the valve is open; and a continuity detector electrically coupled to the valve and to the channel at the second end, wherein the continuity detector is configured to be activated when the fluid in the channel fills the volume and contacts the continuity detector, and wherein the continuity detector is further configured to transmit a signal to cause the valve to close and to cause the body of the channel to contract and eject the fluid through the second end of the channel.