Talented persons and medical equipment are both important for the development of the hospital. Improved management of medical equipment maintenance can make the equipment effective and lower maintenance cost, in which regular maintenance, enhanced management of equipment files are involved in.

The components and the principles of laser treatment instrument of YAG dual wavelength in intelligent Q switch are introduced in this paper.By the application of microprocessor technology,this instrument autocontrols the energy of pulse laser and pulse frequency,then the laser of specific wavelength is introduced to the skin by the light guide arm for beauty and related treatment.

This paper presents the components and the principles of an internal electrohydraulic lithotripter.Cooperating with the cystoscope,the lithotripter introduces the high-pressure discharge pulse into the bladder through the microelectrode.Then the little,easily-moved stone is targeted,and the re-discharge of the lithotripter 5mm away from the stone results in the shock wave to perform lithotritization.

According to the operational principle of original switch K2 for the console of orthopantomography X-ray unit, the common switch K1 and some accessory circuits are used to improve K2.

Medical treatment facility(MTF) is the equipment of diagnosis and therapy of patients in medical service.The quality of MTF is directly related to the life safety of people.So it is very important to recognize and discuss the maintainability using overall quality standpoint.This standpoint is set out to satisfy the need of patients,reflect the need ability characteristics of MTF or medical treatment service.To guarantee the quality not only designs and produces quality but also is the very important means to confirm the quality.