Abstract:With the deep penetration of IoT technology in the medical field,medical gas systems(including medical molecular sieve oxygen production systems,medical compressed air systems,medical vacuum negative pressure systems,medical gas alarm systems,medical gas manifolds,etc.)are gradually upgrading from traditional on-site monitoring to remote intelligent monitoring,significantly improving equipment operation and maintenance efficiency and clinical response speed.However,the industry's tendency to prioritize functional promotion over security design has highlighted the risks of network and functional security.This article takes the medical gas remote monitoring system as an example,and based on regulations and standards such as the"Guideline for Technical Review of Medical Device Cybersecurity Registration",systematically disassembles the core security risks of the equipment side,transmission side,cloud and application layer.From the four dimensions of production enterprises,evaluation agencies,regulatory agencies and medical users,it proposes full lifecycle security governance suggestions to promote the standardized and secure development of remote monitoring functions for medical gas systems.
Abstract:Objective To evaluate the impact of gas-producing powder on gastric wall distension,mucosal clarity,and lesion detection rate in double-contrast radiography of the upper gastrointestinal tract,and to assess its clinical application value.Methods A retrospective analysis was conducted on clinical data from 120 patients who underwent upper gastrointestinal X-ray radiography at our hospital from January 2022 to December 2024.According to whether gas-producing powder was used or not,patients were divided into an observation group(90 cases,using gas-producing powder)and a control group(30 cases,not using gas-producing powder due to contraindications).The excellent/good rates of dilation in the gastric fundus,body,and antrum,display clarity of gastric mucosal folds,and detection rate of minute lesions were compared between the two groups.Results The observation group exhibited significantly higher excellent/good rates of dilation in the gastric fundus(95.6%),body(93.3%),and antrum(92.2%)compared to the control group(73.3%,70.0%,and 70.0%,respectively),with statistical significance(P<0.05).The excellent/good rate for mucosal image clarity was 96.7%in the observation group versus 76.7%in the control group(P<0.05).Furthermore,the detection rate of minute lesions(diameter<0.5 cm)was significantly higher in the observation group(90.0%)than that in the control group(66.7%),with statistical significance(P<0.05).Conclusion The use of gas-producing powder in double-contrast radiography of the upper gastrointestinal tract safely and effectively achieves adequate gastric dilation,significantly enhances display quality of gastric mucosal details,and improves diagnostic accuracy for minute and early-stage lesions,demonstrating high clinical value for widespread adoption.
Abstract:This paper introduces the current situation of medical engineering(clinical engineering)in Chinese hospitals,including the disciplinary status of medical engineering and the current situation of medical engineers,and analyzes the existing problems such as unclear discipline orientation,unstable posts and teams,the changes in service mode and the challenges of medical device technology development.This paper discusses the prospect of discipline orientation,discipline transformation and artificial intelligence application in the development of medical engineering discipline under the new situation.It aims to promote the healthy and high-quality development of medical engineering discipline in hospitals in China and ensure medical quality and patient safety.
Abstract:Medical gas systems such as central oxygen supply and negative pressure suction are key infrastructure for the stable operation of core diagnostic and treatment scenarios such as surgical anesthesia and intensive care in hospitals.Patients undergoing general anesthesia need a stable oxygen source to maintain respiration.The ICU relies on a negative pressure system to clear respiratory secretions.The traditional manual scheduled inspection and paper recording mode have obvious defects,often missing key data,and abnormal situations are also delayed in response due to hierarchical reporting,making it difficult to meet clinical requirements for gas stability and cleanliness.In order to break through the limitations of manual labor,a three-level maintenance system of"daily basic inspection-inspection link verification-preventive risk prediction"has emerged,and the integration of intelligent monitoring technology has become the core of improving management efficiency.This article takes the practice of the First Hospital of Hebei Medical University as a reference,sorts out the three-level maintenance operation norms and core parameters,disassembles the integration path of intelligent monitoring in various levels of maintenance,and provides reference for medical institutions to build safety management plans for medical gas systems,helping to reduce the risk of faults and ensure the safety of diagnosis and treatment.
Abstract:Taking the Second Nanning People's Hospital as the background and the development of medical oxygen system as the clue,this paper expounds the development process and intelligent management practice of medical gas systems.By analyzing the evolution and existing problems of traditional oxygen supply methods,this paper discusses the application effect of intelligent management system in real-time monitoring,intelligent early warning and improvement of operation and maintenance efficiency,and puts forward the prospect of intelligent and smart management in the future based on the actual case data of the hospital.The research shows that the application of intelligent management system significantly improves the safety and operating efficiency of medical gas systems,provides technical support for the high-quality development of hospitals,and has reference significance for similar medical institutions.At the same time,this paper deeply discusses the technical framework,implementation difficulties and solutions of intelligent management system,and provides reference for the digital transformation of medical institutions.
Abstract:Objective:To investigate the effect of high-flow nasal cannula oxygen therapy on patients with acute heart failure and its impact on bedside ultrasound diagnosis of cardiac function indicators.Methods:Ninety patients with acute heart failure who received high-flow nasal cannula oxygen therapy from August 2020 to November 2023 were randomly divided into a control group and a study group using random number table method,with 45 cases in each group.Both groups received drug therapy and high-flow nasal cannula oxygen therapy.During this period,the control group was assisted with continuous monitoring of pulse contour temperature diluted cardiac output,while the study group conducted combined monitoring using bedside ultrasound based on the monitoring method of the control group.The treatment effects of the two groups were compared.Observation data included blood gas analysis,serum test results,ultrasound parameters,assessment of degree of dyspnea,assessment of pain degree,clinical efficacy,and total incidence of complications.Results:After treatment,the blood oxygen saturation and arterial partial pressure of oxygen in the study group were higher than those in the control group,while the partial pressure of carbon dioxide was lower than that in the control group(P＜0.05).The levels of C-reactive protein,troponin,and natriuretic peptide in the study group were lower than those in the control group after treatment(P＜0.05).After treatment,the left ventricular end-systolic and end-diastolic diameters in the ultrasound parameters of the study group were lower than those of the control group,and the left ventricular ejection fraction was higher than that of the control group(P＜0.05).The assessment scores of dyspnea and pain in the study group after treatment were lower than those in the control group(P＜0.05).The overall clinical efficacy rate of the study group was higher than that of the control group(P＜0.05).The incidence of complications such as electrolyte imbalance,lung disease,renal failure,and arrhythmia in the study group was lower than that in the control group(P＜0.05).Conclusion:High-flow nasal cannula oxygen therapy can improve blood gas analysis and alleviate symptoms in patients with acute heart failure.During this period,bedside ultrasound examination can be used as an auxiliary tool to promote cardiac function recovery,improve dyspnea and pain symptoms,enhance clinical efficacy,and reduce complications.
Abstract:Objective:To explore the therapeutic effect and nursing points of personalized wound dressing change combined with hyperbaric oxygen therapy(HBOT)on a patient with Wagner grade 4 diabetic foot.Methods:A 69-year-old patient with Wagner grade 4 diabetic foot was treated with HBOT(2.2ATA,100 min/time,10 times/course)on the basis of staged wound dressing change in combination with the hyperbaric oxygen department.At the same time,with the cooperation and management of the endocrine department,nutrition department and other departments,he was treated with regular debridement and dressing change,anti-infection,blood glucose regulation,nutritional support,psychological care and other treatments.Results:After 118 d of treatment,the wound completely healed and there were no abnormalities during the 3-month follow-up.Conclusion:HBOT combined with precise dressing change can significantly promote the wound healing of severe diabetic foot.Nursing should pay attention to the connection of treatment opportunity and dynamic monitoring of infection.
Abstract:Objective:To investigate the improvement effect and clinical application value of rehabilitation nursing combined with high-flow humidified oxygen therapy on respiratory function in elderly patients with acute cerebral infarction complicated with pulmonary infection.Methods:From March 2023 to January 2024,a total of 96 elderly patients with acute cerebral infarction complicated with pulmonary infection hospitalized in the Department of Neurology of our hospital were enrolled and divided into a control group and a combined group according to the random number table method,with 48 patients in each group.The control group received routine rehabilitation nursing combined with low-flow oxygen therapy,while the combined group received high-flow humidified oxygen therapy additionally.Observations were recorded on days 1,3,7,and 14 after intervention.The indicators such as respiratory rate(RR),oxygenation index(PaO2/FiO2),partial pressure of arterial oxygen(PaO2),partial pressure of carbon dioxide(PaCO2),pulmonary rale resolution time,length of hospital stay,and nursing satisfaction scores of the two groups of patients were compared before and after the intervention.Results:On day 7,PaO2 in the combined group was(91.36±5.74)mmHg,which was significantly higher than(81.28±6.03)mmHg in the control group(P=0.001).On the 7th day of intervention,the PaO2/FiO2 ratio was(312.87±23.15)in the combined group and(265.42±21.98)in the control group,with statistically significant difference(P<0.001).The pulmonary rale resolution time was(4.36±1.08)d in the combined group and(6.12±1.15)d in the control group(P<0.001).The average length of hospital stay was(9.28±2.11)d in the combined group and(11.94±2.37)d in the control group(P=0.003).The nursing satisfaction score was(93.21±4.07)points in the combined group and(85.16±5.33)points in the control group(P<0.001).Conclusion:Rehabilitation nursing combined with high-flow humidified oxygen therapy significantly improves oxygenation function,shortens recovery time of pulmonary symptoms and hospital stay,and enhances patient satisfaction in elderly patients with acute cerebral infarction complicated with pulmonary infection.This approach demonstrates high clinical application safety and strong operability,and is worthy of promotion in the management of critically ill elderly patients.
Abstract:Medical air separation unit is specifically designed and manufactured for the medical field to produce oxygen that meets stringent medical-grade standards,as well as other gases such as nitrogen,as needed.Gas dryers can remove impurities such as moisture,carbon dioxide and hydrocarbons from compressed air,playing a significant role in the long-term and stable operation of medical air separation unit.This article introduces the main structures and working principles of medical cryogenic air separation units,pressure swing adsorption air separation units,and membrane separation air separation units.This article analyzes the factors affecting the performance of three types of gas dryers:refrigeration,adsorption,and membrane dryers.Employing a combined configuration using two or three of these dryer types,with the membrane dryer positioned at the final stage of the process,can achieve better drying and filtration efficiency for compressed gas.
Abstract:Objective:To explore the effect of ozone gas atomization on improving vaginal microecology.Methods:A total of 100 patients with vaginal microecological imbalance admitted to our hospital from February 2024 to February 2025 were selected and randomly divided into a control group and a study group by random number method,with 50 cases in each group.The control group was treated with drugs,while the study group was treated with a combination of drugs and ozone gas atomization.The clinical efficacy,vaginal pH value,detection of pathogenic bacteria(bacteria,fungi,trichomonas,and Candida),and relief time of symptoms and signs(vaginal pruritus,abnormal leucorrhea,and odor)of the two groups were compared.Results:The total effective rate of the study group was higher than that of the control group(P<0.05).The vaginal pH value of the study group after treatment was lower than that of the control group(P<0.05).The detection rates of bacteria,fungi,trichomonas and Candida in the study group after treatment were all lower than those in the control group(P<0.05).The relief time of vaginal pruritus,abnormal leucorrhea and odor in the study group was shorter than that in the control group(P<0.05).Conclusion:The combination of drugs and ozone gas atomization has a significant effect on improving vaginal microecology.It can effectively reduce pathogenic bacterial infection and rapidly relieve patients'symptoms.
Abstract:Objective:To explore the effect of high-flow nasal cannula oxygen therapy(HFNC)combined with refined nursing in patients with radiation pneumonia complicated with respiratory failure caused by thoracic radiotherapy.Methods:A total of 85 patients with radiation pneumonia complicated with respiratory failure caused by thoracic radiotherapy admitted to our hospital from December 2023 to December 2024 were selected as the research objects.The patients were divided into two groups by random number table method.The control group(n=43)was given HFNC treatment and routine nursing intervention,and the observation group(n=42)was given refined nursing on the basis of the control group.The arterial blood gas indicators and the incidence of complications were compared between the two groups.Results:The partial pressure of arterial oxygen(PaO2)and oxygenation index(OI)in the observation group were higher than those in the control group at 24 h and 48 h after oxygen therapy,while the partial pressure of arterial carbon dioxide(PaCO2)was lower than that in the control group(P<0.05).The incidence of complications of oxygen therapy in the observation group was 9.52%,which was lower than 27.91%in the control group(P<0.05).The General Comfort Questionnaire(GCQ)score of the observation group at 48 h of oxygen therapy was higher than that of the control group,and the oxygen therapy time and hospitalization time were shorter than those of the control group(P<0.05).Conclusion:The application of HFNC combined with refined nursing has a definite therapeutic effect in patients with radiation pneumonia complicated with respiratory failure caused by thoracic radiotherapy,which can help to improve the arterial blood gas indicators of patients,improve the comfort of patients,reduce the related complications of oxygen therapy,and promote the early recovery of patients.
Abstract:Objective:To explore the application value of management mode based on feedforward control theory in clinical ventilator equipment management.Methods:Forty ventilators from Yancheng Maternal and Child Health Hospital Affiliated to Yangzhou University(Yancheng Maternal and Child Health Hospital)were selected as the research subjects.The equipment failure rate was investigated before(June 2024 to December 2024)and after(January 2025 to June 2025)the implementation of the management mode based on feedforward control theory,and 20 medical staff members of the same batch were included before and after the implementation to evaluate the quality of equipment maintenance and clinical satisfaction.Results:After implementation,the equipment failure rate significantly decreased compared to before implementation(P<0.05).After implementation,the equipment maintenance quality score significantly improved compared to before implementation(P<0.05).The satisfaction level significantly increased after implementation compared to before implementation(P<0.05).Conclusion:The application of the management mode based on feedforward control theory in clinical ventilator equipment management can reduce equipment failure rate and improve equipment maintenance quality and satisfaction.
Abstract:Objective:To analyze the clinical efficacy of hyperbaric oxygen combined with EEG biomimetic electrical stimulation in the treatment of delayed encephalopathy after acute carbon monoxide poisoning(DEACMP).Methods:From January 2023 to December 2024,76 patients with DEACMP who visited the hospital consecutively were grouped according to the dynamic randomization method.The conventional group(n=38)received hyperbaric oxygen therapy,and the combination group(n=38)received EEG biomimetic electrical stimulation therapy on the basis of the conventional group.The clinical efficacy,Mini-Mental State Examination(MMSE)score,Hasegawa Dementia Scale(HDS)score,and nerve damage indicators[neuron-specific enolase(NSE),S100 calcium-binding protein β(S-100β),and creatine kinase BB(CK-BB)]were compared between the two groups.Results:Compared with the conventional group(73.68%),the combination group(94.74%)had a better clinical efficacy(P<0.05).Compared with the conventional group,the combination group had higher MMSE scores and HDS scores after treatment(P<0.05).Compared with the conventional group,the combination group had lower levels of serum NSE,S-100 β,and CK-BB after treatment(P<0.05).Conclusion:Hyperbaric oxygen combined with EEG biomimetic electrical stimulation can effectively improve cognitive function and reduce nerve damage in DEACMP patients,with significant effects.
Abstract:Objective:To explore the application value and correlation of circulating oxygen metabolism indicators[(central venous oxygen saturation(ScvO2),venous-to-arterial carbon dioxide partial pressure difference(P(v-a)CO2)]and ultrasound indicators(inferior vena cava width and variability,cardiac function parameters,and lung B-line)in volume management of patients with septic shock,so as to optimize fluid resuscitation strategies.Methods:A total of 180 patients with septic shock(blood lactate>4 mmol/L)admitted to Yiyang Central Hospital from January 2023 to March 2025 were selected and divided into 4 groups(A-D groups)based on oxygen metabolism indicators(ScvO2,P(v-a)CO2)and 6 groups(E-J groups)based on ultrasound indicators(inferior vena cava width and variability).All patients received fluid resuscitation treatment,with oxygen metabolism reaching the standard(ScvO2>70％,P(v-a)CO2<6 mmHg)and ultrasound reaching the standard(inferior vena cava width>20 mm,variability<50％)as endpoints.Changes in indicators(before and 24 h after resuscitation)were recorded,and the total amount of infusion,incidence of pulmonary edema,and correlation between indicators were compared.Results:After resuscitation,inferior vena cava variability in Group A(ScvO2<70％,P(v-a)CO2>6 mmHg)significantly decreased(P<0.05),while the cardiac index(CI)and cardiac output(CO)significantly increased(P<0.05).Group D(ScvO2>70％,P(v-a)CO2<6 mmHg)had the lowest incidence of pulmonary edema(8.33％).After resuscitation,ScvO2 significantly increased(P<0.05)and P(v-a)CO2 significantly decreased(P<0.05)in group E(inferior vena cava width<10 mm,variability>50％).Group J(inferior vena cava width>20 mm,variability<50％)had the highest oxygen metabolism compliance rate(91.67％).Patients who referred to both oxygen metabolism and ultrasound indicators had a lower total volume of infusion(P<0.05)and a significantly lower incidence of pulmonary edema compared to the single indicator group(P<0.05).After 6-12 h of resuscitation,the consistency between oxygen metabolism and ultrasound indicators reached 78.33％,and was negatively correlated with Sequential Organ Failure Assessment(SOFA)(r=-0.421,P<0.01).Conclusion:Circulating oxygen metabolism indicators and ultrasound indicators complement each other in volume management of septic shock.Combined monitoring can optimize fluid resuscitation strategies,reduce the risk of excessive fluid replacement,and improve patient prognosis.
Abstract:Objective:To observe the effects of different oxygen supply methods,pressures,and tidal volumes on inhaled oxygen concentration during non-invasive ventilation.Methods:A total of 130 patients with non-invasive ventilation were included in the study from January 2021 to March 2025.The grouping was based on the odd even number method,and they were divided into the experimental group and the control group,with 65 patients in each group.The oxygen supply methods for the two groups were nasal cannula oxygen supply within the mask and mask oxygen supply,respectively.The inhaled oxygen concentrations of the two groups and within each group were analyzed under different pressures and tidal volumes(with other indicators remaining constant),and the blood gas analysis and vital signs of the two groups were compared.Results:Under different pressures,the experimental group had a higher inhaled oxygen concentration than the control group(P<0.05).Under different tidal volumes,the experimental group had a higher inhaled oxygen concentration compared to the control group(P<0.05).The inhaled oxygen concentration of the experimental group did not show significant changes with changes in pressure and tidal volume(P＞0.05).Under constant tidal volume,the control group showed a decrease in inhaled oxygen concentration as pressure increased.Under constant pressure,the control group showed an increase in inhaled oxygen concentration as tidal volume increased(P<0.05).The blood gas analysis indicators in the experimental group were significantly better than those in the control group(P<0.05).The vital signs of the experimental group were more stable compared to the control group(P<0.05).Conclusion:In non-invasive ventilation,the use of nasal cannula oxygen supply within the mask can increase inhaled oxygen concentration,reduce the effects of pressure and tidal volume changes,improve blood gas indicators,stabilize vital signs,and have important clinical application value.
Abstract:Objective:To observe the application effect of stratified nutritional support combined with hyperbaric oxygen in patients with post-stroke dysphagia.Methods:A total of 66 patients with post-stroke dysphagia admitted to our hospital from May 2023 to April 2024 were selected as the research subjects.They were divided into the observation group and the control group by the random number table method.Both groups were given hyperbaric oxygen therapy.The observation group received stratified nutritional support,while the control group received conventional nutritional support.The indicators such as hemoglobin(Hb),serum albumin(ALB),transferrin(TF),Nutritional Risk Screening 2002(NRS-2002)score,Functional Oral Intake Scale(FOIS)score,Standardized Swallowing Assessment(SSA)score,and immune function were compared between the two groups.Results:After treatment,the levels of Hb,ALB,and TF in the observation group were higher than those in the control group(P<0.05).After treatment,the NRS-2002 and SSA scores in the observation group were lower than those in the control group,and the FOIS score was higher than that in the control group(P<0.05).After treatment,the levels of CD3+and CD4+in the observation group were higher than those in the control group,and the level of CD8+was lower than that in the control group(P<0.05).Conclusion:Stratified nutritional support combined with hyperbaric oxygen therapy can effectively improve the nutritional status of patients,reduce nutritional risk,enhance oral feeding ability,and promote the recovery of swallowing function and immune function.
Abstract:Objective:To explore the effect of exogenous nitric oxide(NO)in preventing postoperative deep vein thrombosis in elderly patients with hip fractures.Methods:Eighty elderly patients who underwent hip fracture surgery in our hospital from October 2022 to December 2024 were selected as the research subjects.According to the random number table method,they were divided into a control group(conventional prevention of deep vein thrombosis)and an observation group(control group combined with exogenous NO).The endothelial cell function,platelet function,and incidence of thrombosis between the two groups were compared.Results:After treatment,the activated protein C(APC)of the observation group was higher than that of the control group,while soluble intercellular adhesion molecule-1(sICAM-1)and von Willebrand factor(vWF)were lower than those of the control group(P<0.05).Platelet glycoprotein Ⅱb/Ⅲa(GP Ⅱb/Ⅲa),platelet aggregation rate,and plasma P-selectin(P)CD62 in the observation group were lower than those in the control group(P<0.05).The incidence of thrombosis in the observation group was lower than that in the control group(P<0.05).Conclusion:Exogenous NO has a definite effect on preventing deep vein thrombosis in elderly patients with hip fractures.It can effectively improve endothelial function and platelet function,and reduce the risk of thrombosis.