Patent ID: 9733221
Date: 2017-08-15
CPC Classifications: B01D,G01N

Claim:
1. An injection needle cartridge for a sample injector for injecting a sample fluid into a mobile phase in a fluidic path of a fluid separation system between a mobile phase drive and a separation unit, the injection needle cartridge comprising: an injection needle configured for aspirating the sample fluid from a fluid container when the injection needle has been moved to the fluid container, and for injecting aspirated sample fluid into the fluidic path when the injection needle is sealingly accommodated in a needle seat; and a sealing force generator integrated in the injection needle cartridge and configured for applying a sealing force to the injection needle for sealingly accommodating the injection needle in the needle seat; and a housing accommodating at least part of the injection needle and at least part of the sealing force generator, wherein the injection needle cartridge is configured for being substitutably mountable on and demountable from a handling robot of the sample injector for handling the injection needle cartridge between the fluid container and the needle seat.