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US 2017/0001189 A1Published application
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
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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.
Claims13
A pipette, comprising:
- a body,
- a plunger mechanism comprising a plunger movable inside a cylinder, which plunger mechanism is located inside the body and adapted for aspirating liquid into the cylinder and for dispensing the liquid,
- a control knob adapted for actuating the plunger mechanism,
- a tip cone adapted for receiving a disposable tip and for holding it in place by means of friction,
- a tip removal mechanism adapted for disengaging the disposable tip attached to the tip cone when the user presses a tip removal button,
- wherein:
- the tip removal mechanism is adapted for lifting an inner mechanism of the pipette with regard to the body when the user presses the tip removal button, wherein the inner mechanism comprises at least the tip cone, for making the disposable tip contact a lower part of the body, and for disengaging the tip.
4 more elements
A method for disengaging a disposable tip attached to a tip cone of a pipette, characterized by:
- pressing a tip removal button by a user,
- lifting an inner mechanism of the pipette with regard to a body of the pipette as the user is pressing the tip removal button, which inner mechanism comprises at least the tip cone.
- making the disposable tip contact a lower part of the body of the pipette to disengage the tip upon said lifting.
Dependencies are inferred from the claim text.