Infusion work stacks upward, and a syringe pump trolley is built around that fact. A patient on several syringe drivers and a volumetric pump needs each device visible, reachable, and independently powered, and the way to do that is to clamp them to a pole rather than lay them on a shelf. This reference is built for exactly that, which is why the shelf is small and low: it is a place for a socket strip and perhaps a bag of consumables, not a working surface.
The 640 mm height of this syringe pump trolley follows from the same logic. Put the shelf low, and the pumps above it, and the whole stack sits in the zone where a nurse checking rates and alarms looks at chest height rather than reaching overhead. A shelf at 900 mm with pumps above it would place the top device uncomfortably high. It is a deliberate arrangement rather than a limitation, though it does mean the shelf itself is of little use for anything else.
Stability deserves attention on any syringe pump trolley of this pattern. Several pumps and their syringes carried high on a pole, above 7.3 chassis kg, shift the centre of mass upward in a way a flat cart never does. The 545 mm circular base counterbalances that, and the round footprint also lets the stand turn freely at a bedside without a leg catching.
LUVXOM publishes no stability or tilt figure, so Medigear.uk seeks one, along with the pole diameter, clamp arrangement, and socket standard, before this stand enters clinical use.