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US 10,239,055 B2Granted
Pipette with a tip removal mechanism, a method for removing a tip, and a method for pipetting
AssigneeSartorius Biohit Liquid Handling Oy
InventorVille Juhani Hintikka
Life of this patent
Estimating the term…
Abstract
The present invention relates to a pipette comprising a tip removal mechanism adapted for lifting an inner mechanism of the pipette with regard to a body of the pipette when the user presses the tip removal button. The present invention further relates to a method for disengaging a disposable tip attached to a tip cone of a pipette of the present invention, and to a method for pipetting with a pipette according to the present invention.
Claims8
A pipette, comprising:
- a body,
- a plunger mechanism comprising a plunger movable inside a cylinder, the plunger mechanism is located inside the body and adapted for aspirating liquid into a disposable tip and for dispensing the liquid,
- a control knob adapted for actuating the plunger mechanism,
- a tip cone adapted for receiving the disposable tip and for holding it in place by means of friction,
- a tip removal button,
- a return spring operatively connected to the tip removal button,
- wherein:
- the tip cone is adapted, upon pressing of the tip removal button, to be withdrawn inside the body so that the tip contacts a lower part of the body and the tip becomes disengaged.
5 more elements
Dependencies are inferred from the claim text.