Psychic vampire

[Gwyllgi]

Hi this is Psychic Vampire.
http://www.d20srd.org/srd/psionic/powers/psychicVampire.htm

Does anything about this allow you to keep the points you drain?

[Falontani]

The drained points simply dissipate.
Direct quote from the power. So the answer to your question is no. Questions like this should usually be asked in the RAW thread.