A piezo electric inertial impact drive (the black little gadget fixed to the end
of the regular epidural syringe above) that can replace the human thumb in epidurals !
The loss of resistance syringe moves completely on its own, freeing the operator to use both hands
during insertion of an epidural. The small black device is attached to the end
of a standard epidural syringe. It is self powered and there are no wires.
Look at the movies below:
This one shows the
"auto thumb" demonstrate "loss of resistance" using a banana as a ligament.
First you see the syringe move back and forth completely on its own power. When
the banana is entered, the syringe detects this and applies continuous pressure.
Then as the other side of the ligament (banana) is reached, the syringe empties,
implying a loss of resistance. (Sorry the video has no sound)
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