Dismantlable pump for use in negative pressure wound therapy system, for patient, has lower resilient component working against resilient spring force of upper resilient component that drives diaphragm element for appropriate movement

摘要

The pump (800) has a motor set electrically connected to an external power supply for providing a motive force. A lower module (800b) is arranged under an upper module (800a) such that the lower module is connected with the upper module by a dismantlable link mechanism. A one-way valve is arranged at an end of a channel. A lower resilient component (811) works against resilient spring force of an upper resilient component (809) that is caused by back and forth movements to drive a diaphragm element (820) for appropriate movement. An independent claim is also included for a low pressure sore therapy system comprising a dismantlable pump and a dressing for covering a wound.