So who would pay hundreds of dollars just for a pen?

Why does a replacement set of printer ink cartridges cost as much or more than a new printer with ink cartridges?

As its base, a simple hunting cartridge was also used.

The structure of the ink cartridge is simple and the ink cartridge may be conveniently used.

Furthermore, this ink cartridge may operate conveniently.

Other embodiments of the present invention also include a filter cartridge assembly (132) configured to provide a user with an easy method of removing and installing the cartridge.

The substrate can be a single-layer substrate in a microfluidic cartridge.

The inventive filter cartridge shall include a particularly simple adapter part.

A biosensor cartridge integrated with a puncturing tool in which the puncturing tool can be moved to puncture the biosensor cartridge by a simple structure.

Mechanically simple solution to clean the filter cartridge.

This invention has an effect to enable the ink cartridge to be decompressed and filled simply and reliably.

The cartridge assembly comprises a cartridge (120) and a cartridge holder (104).

The cartridge assembly may comprise a cartridge and a cartridge holder.

The device is a simple tool in which the cartridge can be inserted for regeneration.

The cartridge comprises a cartridge body.