Patent ID: 6593129
Filing Date: 2003-07-15
Classification: C12M

Abstract:
An apparatus for microinjection of at least one sample into amphibian oocytes comprising:a tray with a plurality of wells each of which has an aperture with a maximum diameter longer than a diameter of the amphibian oocytes for holding a plurality of the amphibian oocytes while allowing the amphibian oocytes to rotate freely so as to take a stable orientation according to a respective center of gravity; at least one injection needle for injecting the sample into each of said amphibian oocytes; a driving means for moving said tray relative to said injection needle; and a controlling means for controlling said movement in response to a predetermined depth of said injection needle for said tray or said amphibian oocytes during the injection of the sample, and injecting the sample into a plurality of amphibian oocytes at said depth.