Cassette for a console of an ophthalmosurgical system, and ophthalmosurgical system

A cassette for a console of an ophthalmosurgical system for treating an eye, the cassette being configured for insertion into a cassette receiving region of the console, the cassette comprising:

• at least one fluid pump configured to deliver a treatment fluid;
• a tube configured to attach an ophthalmosurgical handpiece of the ophthalmosurgical system;
• and
• a connection unit for a mechanical connection, secured against detachment, of a cassette-side end of the tube to a cassette housing of the cassette,
• wherein the connection unit includes an attachment stub arranged on the cassette housing and a plug-in connector arranged on the cassette-side end of the tube, wherein the attachment stub has a first through opening for the treatment fluid,
• wherein the plug-in connector has a second through opening for the treatment fluid,
• wherein when the plug-in connector is connected to the attachment stub, the plug-in connector is held in a fluid-tight manner with respect to the attachment stub and can rotate about a longitudinal axis defined by the first through opening and the second through opening,
• wherein the plug-in connector has a plug-in opening for the attachment stub and the attachment stub has a plug-in projection for plugging the attachment stub into the plug-in opening,
• wherein the first through opening and the second through opening lead into the plug-in opening or the plug-in projection, respectively, such that the first through opening and the second through opening are in line with one another,
• wherein the plug-in connector has at least one latching element configured to latch to at least one corresponding latching element of the attachment stub, and
• wherein the at least one latching element is arranged in a region of the plug-in opening of the plug-in connector which is at least partially not accessible in an attached state of the connection unit such that the connection unit cannot be brought into a detached state non-destructively.