Because of the high penetration speed of the piezostepper and precise axial advance, the injection pipette can be brought to its target position with tremendous accuracy. The Piezoinjector can be used with any Microsyringe , Picospritzer or Micro Injection System . The result is a stabbing, punctate movement of an attached pipette. This allows membrane puncture with minimum compression of the cell. The withdrawal speed of the pipette may be set independently of the penetration speed.
Fast withdrawal minimizes cell damage produced by adhesion of the injected cell to the pipette tip.
With an automated configuration, the pipette only has to be positioned at the cell. Penetration, injection, and withdrawal can be executed, fully automatically, with the press of a button or foot switch. The Piezoinjector is designed to mount directly on any manipulator in Stoelting's catalog. If required, an attachment for mounting the Piezoinjector to other micromanipulators can be supplied. The Piezoinjector is supplied without a manipulator.