I'm just wondering what one would use a hyperdermic needle for.  A hypodermic needle allows access to the layer just beneath the skin, as the name implies.  I'm assuming a hyperdermic needle would blow through the skin and some other layers as well.  Are these used for bone extraction?  Do they have excessively long needles?  Do they come out the other side?

Inquiring minds want to know.

Lotus 123 ~ S-Render ~ OS/2 WARP ~ IBM 8088 / 4.77 Mhz ~ Hercules Ultima graphics, Hitachi 10 MB HDD, 64K RAM, 12 in diagonal CRT Monitor (16 colors / 60 Hz refresh rate), 240 Watt PS, Dual 1.44 MB Floppies, 2 button mouse input device.  Beige horizontal case.  I don't display my unit.