Abstract: The present disclosure relates to the technical field of detachment structures, a detachment structure for a portable diagnostic ultrasound apparatus is disclosed, including: a top cover, a bottom housing, and a rechargeable battery, the top cover is detachably connected to the bottom housing, the bottom housing is installed with a fan, the bottom housing is installed with a battery PCB, the battery PCB is provided with a battery modular contact, and the top cover is provided with an opening for the battery modular contact to pass through. The solution facilitates detachable installation of the battery and the fan, and facilitates heat dissipation and maintenance.

Abstract: A probe switching device comprising at least two switching switch assemblies and at least two probes, wherein each of the switching switch assemblies corresponds to each of the probes, each of the switching switch assemblies comprises a first switch component and a second switch component, the first switch component is provided with a force applying block, and the second switch component mainly consists of two fixed contactors and a bridge contactor, each of the probes corresponding to each of the switching switch assemblies is connected to one of the two fixed contactors. Thereby, the probe can be switched using the switching switch assembly without using a relay, the force applying block acts on the bridge contactor to connect the first switch component and the second switch component.