Objective To explore the feasibility of applying MRI cranial surface locating device in localization of small intracranial space-occupying lesions before the surgeries. Methods Thirty patients with small intracranial space-occupying lesion were localized by MRI cranial surface locating device before the surgeries. The clinical accuracy was verified during the surgeries and the results were compared with cases without using the device. Results According to the verifications during the surgeries , 30 cases which used MRI cranial surface locating device showed much higher accuracy than that using the traditional method. Conclusions MRI cranial surface locating device can precisely delineate the surgical target area. The device is easy to operate and also can help to design the rational surgical approach with minimum injuries , significantly improve accuracy of locating small intracranial space-occupying lesions and it is safe , effective and worthy of widely used clinically.

BACKGROUND: Mortality related to cardiopulmonary bypass can be lowered by intra-operative monitoring system.Monitoring liquid level and pressure is extremely indispensable for examination of cardiopulmonary bypass(CPB).OBJECTIVE: To design a CPB safety system including an arterial line pressure monitor and low-level sensor,and to evaluate its safety and effects in clinical settings.METHODS: The safety system was composed of pressure transducer,photoelectric transmitter,photoelectric detector,core controller,and liquid crystal display.The principles of reflection and refraction were applied to the design of level sensor.The pressure measurements were converted into electronic signals and processed.According to two principles above-mentioned,fluid level detector and pressure monitor were designed.Thirty patients with the age of 1-75 years receiving cardiac surgery with cardiopulmonary bypass were enrolled.The arterial line pressure at different pump flows was measured and the alarm function of the level sensor was also validated.RESULTS AND CONCLUSION: Cardiopulmonary bypass arterial line pressure increased with the pump flow.Arterial line pressure detected by HZ-01-A safety system also increased with the pump flow increasing,which was highly related to the pump pressure.HZ-01-A safety system could alarm when the arterial line pressure and reservoir level exceeded the pre-determined thresholds.HZ-01-A safety system could be safely and effectively applied to clinical cardiopulmonary bypass and improve bypass safety by accurately detecting the pressure and reservoir level.

During coronavirus disease 2019 epidemic, the treatment of severe trauma has been impacted. The Consensus on emergency surgery and infection prevention and control for severe trauma patients with 2019 novel corona virus pneumonia was published online on February 12, 2020, providing a strong guidance for the emergency treatment of severe trauma and the self-protection of medical staffs in the early stage of the epidemic. With the Joint Prevention and Control Mechanism of the State Council renaming "novel coronavirus pneumonia" to "novel coronavirus infection" and the infection being managed with measures against class B infectious diseases since January 8, 2023, the consensus published in 2020 is no longer applicable to the emergency treatment of severe trauma in the new stage of epidemic prevention and control. In this context, led by the Chinese Traumatology Association, Chinese Trauma Surgeon Association, Trauma Medicine Branch of Chinese International Exchange and Promotive Association for Medical and Health Care, and Editorial Board of Chinese Journal of Traumatology, the Chinese expert consensus on emergency surgery for severe trauma and infection prevention during coronavirus disease 2019 epidemic ( version 2023) is formulated to ensure the effectiveness and safety in the treatment of severe trauma in the new stage. Based on the policy of the Joint Prevention and Control Mechanism of the State Council and by using evidence-based medical evidence as well as Delphi expert consultation and voting, 16 recommendations are put forward from the four aspects of the related definitions, infection prevention, preoperative assessment and preparation, emergency operation and postoperative management, hoping to provide a reference for severe trauma care in the new stage of the epidemic prevention and control.