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Objective:To explore the clinical application value of preoperative colonoscopic marking by Nd-Fe-B magnet ring to assist laparoscopy.Methods:A total of 51 patients with colorectal tumor who underwent radical laparoscopy from January 2020 to October 2021 at the Department of Gastrointestinal Surgery, Guizhou Provincial People's Hospital were recruited. The patients were marked by Nd-Fe-B magnet ring under endoscopy one day before the operation, another magnet ring was sent into the abdominal cavity during the radical laparoscopy through cannula. The two magnet rings were attracted and clung to each other to orient the lesions. The basic information of patients, location of preoperative marks under endoscopy and laparoscopy conditions were recorded.Results:All 51 Nd-Fe-B magnet rings were successfully located to the position of colorectal tumor and fixed. According to the location of the lesions, there were 15 cases of transverse colon, 12 cases of descending colon, 19 cases of sigmoid colon, and 5 cases of upper rectal segment. According to the lesion type, there were 21 cases of colon cancer, 25 cases of polyp carcinomatosis, and 5 cases of laterally spreading tumors with partial carcinomatosis. There were 5 cases with positive margins after endoscopic mucosal resection and 1 case with positive margin after endoscopic submucosal dissection. All lesions were accurately located during the operation. The marking time was 4.1±1.2 min (3-6 min) before the operation and the localization time was 1.5±1.1 min (0.9-5.3 min) during the operation. All magnet rings were removed from the body by laparoscope. The mean distances between the tumor and the cutting edge of the proximal and distal intestinal segments were 5.5 cm and 6.3 cm, respectively. No complications such as colon mucosal injury, bleeding, intestinal perforation or local inflammatory reactions occurred.Conclusion:Nd-Fe-B magnet ring tracer technique for laparoscopic orientation is simple, fast, accurate and safe with no need for additional equipment or apparatus, which is worthy of clinical application.
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Ramping-up is the magnet current injection procedure which is under the control of resistance, voltage, current lead temperature, magnet pressure, temperature and so on. In this procedure, the factors related to the stability of the magnet such as, magnet temperature, pressure and currents are constantly changing. This procedure is the main step which the magnet-quench occurs in. This study uses the data collected during 7 years and SIMENS MRI ramping-up theory, in order to help engineers understand the key factors to reduce the magnet quench during the ramping up procedure.
Subject(s)
Magnets , TemperatureABSTRACT
Se evaluó la eficiencia de la trampa Mosquito Magnet Liberty PlusTM (MMLP) cebada con los atrayentes químicos 1-octen-3-ol (octenol) y Lurex 3TM (L-ácido láctico) junto con dióxido de carbono (CO2) para recolectar anofelinos en la localidad Ye'kwana de Boca de Nichare, municipio Sucre, estado Bolívar, Venezuela. La trampa fue operada entre las 18:00 y 06:00 horas, durante 10 noches por mes, durante cuatro meses (Julio Octubre, 2015), alternándose cada noche el atrayente. A fin de caracterizar la actividad nocturna de los anofelinos, cada cuatro horas se cambiaba la jaulita donde eran atrapados los mosquitos. Se capturaron cinco especies de Anopheles y cuatro de Culicinae, siendo las más abundantes, Anopheles (Nyssorhynchus) darlingi Root y Anopheles (Nyssorhynchus) oswaldoi (Peryassú) sensu lato. El ANOVA factorial no paramétrico de Transformación de Rangos Alineados para la variable atrayente y sus interacciones con especie e intervalo horario no fueron estadísticamente significativas (p > 0.05). Estas especies muestran comportamientos diferentes: An. darlingi tiene el pico de actividad nocturna entre las 22:00 y 02:00 horas, mientras que en An. oswaldoi s.l. se observa un incremento de la actividad nocturna progresivamente que se mantiene durante el intervalo 02:00-06:00 horas. Los resultados permiten concluir que la trampa MMLP cebada con octenol o Lurex es un método alternativo de recolección de mosquitos para la vigilancia entomológica en áreas maláricas remotas con población indígena. La actividad horaria de los vectores An. darlingi y An. oswaldoi s.l. sugiere que el uso de mosquiteros tratados con insecticidas puede resultar un método efectivo para el control de la transmisión de malaria en esta zona del país(AU)
The efficiency of the Mosquito Magnet Liberty PlusTM (MMLP) trap was evaluated baited with the chemical attractants 1-octen-3-ol (octenol) and Lurex3M (L-lactic acid) together with carbon dioxide (CO2) to collect anophelines in the Amerindian village Boca de Nichare, Sucre municipality, Bolívar State, Venezuela. The trap was operated between 18:00 and 06: hours, 10 nights per month for four months (July-October 2015), the attractants were alternated nightly. To determine the host seeking behavior of anophelines, the trap cage was changed every 4 hours. Five species of Anopheles and four of Culicinae were collected; Anopheles (Nyssorhynchus) darlingi Root and Anopheles oswaldoi (Peryassú) sensu lato were the most abundant species collected. The Align Rank Transform (ART) test for nonparametric ANOVA for the variable attractant and its interactions with species and hour interval were not significant (p > 0.05). An. darlingi and An. oswaldoi s.l. showed contrasting host seeking activity: An. darlingi showed a peak between 22:00 and 02:00 hours, while in An. oswaldoi s.l. there was a steady increase in activity up to the interval 02:00-06:00 hours. The MMLP trap baited either with octenol or Lurex is an alternative method for entomological surveillance in remote Amerindian malaria endemic areas. The biting activity of the vectors An. darlingi and An. oswaldoi s.l. suggests that the use of long-lasting insecticide treated nets could be an effective method to control the transmission of malaria in this area(AU)
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Animals , Venezuela , Indigenous Peoples , Environmental Health , Public HealthABSTRACT
PURPOSE: The purpose of this study is to evaluate the effects of type of magnet attachment and implant angulation in two implant overdenture models.MATERIALS AND METHODS: Magnet attachments used in this study were flat and dome types (MGT5515, MGT5520D, Dentium Co., Seoul, Korea). Two implants with keepers were inserted in the resin blocks at a distance of 24 mm. For the first model, the implants were parallel to the vertical and perpendicular to the horizontal; for the second model, both were angulated 5 degrees to the mesial; for the third model, both were angulated 10 degrees toward the mesial. The retentive force was measured in both vertical and lateral directions. Statistical analyses were performed using SPSS software version 22.0 (α=.05).RESULTS: The flat type magnet attachment showed the highest lateral retentive force in the 20° divergent group (P<.05) and the dome type magnet attachment showed the highest lateral retentive force in the parallel group (P<.05). The vertical and lateral retentive force of the dome type magnet attachment was greater than that of the flat type magnet attachment in every direction (P<.05).CONCLUSION: Within the limitations of this study, the dome shape magnet attachment can resist vertical and lateral retentive force more superiorly than the flat type magnet attachment, regardless of angle, in the mandibular two implant model.
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Denture, Overlay , SeoulABSTRACT
Este artículo pretende describir dos grandes aspectos: la satisfacción y la experiencia del paciente, y cómo medirlos y analizarlos en los campos de la gestión sanitaria, la gestión clínica y los servicios sanitarios. Dichos elementos están inmersos en el abordaje en seguridad del paciente y permiten que la enfermería se relacione con temas como la calidad de los cuidados, la satisfacción del usuario, su experiencia dentro del sistema, los cambios y la implementación de mejoras así como sus formas de medición y análisis dentro del vasto campo de la gestión clínica y sanitaria. Aunque se trata de un tema ampliamente explorado y complejo, susceptible de ser abordado por métodos cuantitativos y cualitativos, en el que la encrucijada entre calidad total, calidad percibida, satisfacción y experiencia parece conformar la hoja de ruta, el artículo aporta conceptos de reciente aparición como Healthcare Improvement Science (mejora de la ciencia de la salud), centrado en la mejora de la calidad del cuidado de la salud y la reducción de daños a los usuarios de los servicios y sus familias; Magnet Hospital (hospital magnético), que relaciona la satisfacción de los profesionales con la calidad de los cuidados, y Patient Experience Officer (director de la experiencia del paciente), nuevo perfil laboral creado en Estados Unidos, centrado en la mejora continua de la calidad a partir de la experiencia del paciente. Todos estos conceptos han sido desarrollados por instituciones e investigadores reconocidos en la materia. En conclusión, en este artículo se resumen algunas de las cuestiones clave que se deben tener en cuenta a la hora de analizar la experiencia del paciente, que es un elemento importante para la mejora y el mantenimiento de la calidad en la atención sanitaria.
This article aims to describe two major aspects: patient satisfaction and experience and the way these are measured and analyzed within health management, clinical management, and health services. These elements are immersed within processes of patient safety and assume a motive for nursing of interweaving issues such as quality of care, user satisfaction, user experience within the system, change and the implementation of improvements, as well as ways of measuring and analyzing these issues within the vast field of clinical and health management. This is a widely explored and complex topic where total quality, perceived quality, satisfaction, and experience appear to make up a crossroad that needs to be taken into account and whose engagement is susceptible to qualitative and quantitative measurements. This article, however, contributes new concepts like Healthcare Impro-vement Science, centered on the improving the quality of health care and reducing harm to users of services and their families, Magnet Hospital, where the satisfaction of employed professionals is related with quality of care, and Patient Experience Officer, a new job profile created in the United States focused on the continuous improvement of patient experience quality. All these concepts were developed by recognized institutions and researchers in the field. In conclusion, this article summarizes some of the key issues that must be taken into account when analyzing the patient's experience, which is an important element for the improvement and maintenance of quality in health care.
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Patients , Attention , Health Management , Patient SafetyABSTRACT
Foreign body ingestion is common among children between the ages of 6 months and 3 years. Nearly 80% will pass throughuneventfully and 20% will require some intervention, mostly endoscopic removal. Button batteries and magnets are frequentcomponents of children’s toys and a potential hazard for the child. We are reporting such a case and the complications whichfollowed, with a view to increasing public awareness.
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Through the analysis of 3 maintenance of Bmag interlocking fault of Varian Clinac Ⅸ Linear Accelerator,it is found that the full wave rectifier diode breakdown in the bend magnet power supply,the improper setting of the bend magnet interlock,and the failure of the modulator CB3 air switch can cause the bmag interlocking.Through the replacement of accessories,adjustment parameters,etc.,so that the fault is resolved.
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Portable low-cost magnetic resonance imaging (MRI) systems have the potential to enable “point-of-care” and timely MRI diagnosis, and to make this imaging modality available to routine scans and to people in underdeveloped countries and areas. With simplicity, no maintenance, no power consumption, and low cost, permanent magnets/magnet arrays/magnet assemblies are attractive to be used as a source of static magnetic field to realize the portability and to lower the cost for an MRI scanner. However, when taking the canonical Fourier imaging approach and using linear gradient fields, homogeneous fields are required in a scanner, resulting in the facts that either a bulky magnet/magnet array is needed, or the imaging volume is too small to image an organ if the magnet/magnet array is scaled down to a portable size. Recently, with the progress on image reconstruction based on non-linear gradient field, static field patterns without spatial linearity can be used as spatial encoding magnetic fields (SEMs) to encode MRI signals for imaging. As a result, the requirements for the homogeneity of the static field can be relaxed, which allows permanent magnets/magnet arrays with reduced sizes, reduced weight to image a bigger volume covering organs such as a head. It offers opportunities of constructing a truly portable low-cost MRI scanner. For this exciting potential application, permanent magnets/magnet arrays have attracted increased attention recently. A magnet/magnet array is strongly associated with the imaging volume of an MRI scanner, image reconstruction methods, and RF excitation and RF coils, etc. through field patterns and field homogeneity. This paper offers a review of permanent magnets and magnet arrays of different kinds, especially those that can be used for spatial encoding towards the development of a portable and low-cost MRI system. It is aimed to familiarize the readers with relevant knowledge, literature, and the latest updates of the development on permanent magnets and magnet arrays for MRI. Perspectives on and challenges of using a permanent magnet/magnet array to supply a patterned static magnetic field, which does not have spatial linearity nor high field homogeneity, for image reconstruction in a portable setup are discussed.
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Diagnosis , Head , Image Processing, Computer-Assisted , Magnetic Fields , Magnetic Resonance ImagingABSTRACT
There are several unfavorable conditions regarding alveolar bone condition that may compromise the denture patient's satisfaction. Chewing efficiency may not be satisfactory when alveolar bone is deficient, and the denture stability could hardly be achieved when alveolar bone shape is irregular. Implant overdenture can be useful to provide satisfactory denture experience compared to conventional denture. The attachment for implant overdenture can be classified into bar attachment and solitary attachment. When the positions of the implants are in the mandibular anterior region, bar attachment may be favorable to obtain a rigid support of the entire denture. When implants are distributed both on anterior and posterior region, a solitary attachment could be considered for ease of removal and maintenance. This report presents implant overdenture cases with the patients that had unilateral mandibular alveolar bone atrophy conditions. Different abutments were chosen based on the individual patient's mandibular alveolar bone condition and the treatments were successful in terms of patient satisfaction.
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Humans , Alveolar Bone Loss , Atrophy , Denture Retention , Denture, Overlay , Dentures , Mandible , Mastication , Patient SatisfactionABSTRACT
Objective@#To evaluate the feasibility and safety of magnetic tracer technique for preoperative endoscopic marking in laparoscopic surgery.@*Methods@#In the preliminary study, a total of 8 patients with gastric (n=3) or colorectal (n=5) tumors underwent endoscopic magnetic marking before laparoscopic surgery from April to June in 2019. First, a magnet was attached to the lesion by 2 titanium clips under the endoscope. Second, during the subsequent laparoscopic operations, the other magnet was sent to the vicinity of the lesion through the laparoscopic tunnel. The magnet in the abdominal cavity was quickly attracted to the one in the gastrointestinal tract to successfully locate the lesions. Data of preoperative marking and operations of 8 patients were reviewed.@*Results@#All 8 lesions were marked successfully, rapid and accurate intraoperative positioning was achieved. The mean time of endoscopic marking was 5.75±2.45 minutes, and the mean time of intraoperative localization was 1.94±0.56 minutes. All patients underwent laparoscopic tumor resections with accurate localization. The mean proximal and distal resection margins of colorectal tumors were 105 mm and 74 mm respectively. No complications occurred.@*Conclusion@#Magnetic tracer technique for laparoscopic localization, simple, safe and accurate for gastrointestinal lesions, can be performed without additional equipment or endoscopic procedures involved.
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Permanent magnet motor has been widely used in the field of artificial heart pump due to its high power density, high stability and easy control. In this paper, the development history and research progress of permanent magnet motor for blood pump were described. Firstly, the motors were classified according to their structures and application scenarios. And then, the measures taken by different types of motors to meet the corresponding performance requirements were introduced, and the specific application cases were given. After that, commonly used control algorithms of these motors were enumerated. What's more, the advantages and disadvantages of the control algorithms and their application emphasis were carefully explained. Finally, the paper was summarized in short.
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Algorithms , Blood Substitutes , Heart, Artificial , Magnetics , Magnets , Prosthesis DesignABSTRACT
BACKGROUND: Keloids are benign fibro-proliferative lesion, related to excessive inflammatory reactions in certain anatomical areas, including the auricles. Their specific etiology remains unclear; nonetheless they exhibit tumor-like characteristics of significant recurrence and cause emotional distress, even with various treatment strategies. We applied intermittent magnetic pressure therapy on ear keloids in combination with surgical excision, and present its effectiveness herein.METHODS: Ear keloid patients were treated with surgical excision followed by magnetic pressure therapy. The keloid tissues underwent excision and keloid marginal flaps were utilized for wound closure. Intermittent magnetic pressure therapy was applied 2 weeks after the surgical procedure. The pressure therapy consisted of a 3-hour application and 2-hour resting protocol (9 hr/day), and lasted for 6 months. The results were analyzed 6 months after the therapeutic procedures, using the scar assessment scale.RESULTS: Twenty-two ear keloids from 20 patients were finally reviewed. Among the keloids that completed the therapeutic course, 20 ear keloids out of 22 in total (90.9%) were successfully eradicated. Two patients (2 keloids) exhibited slight under-correction. Postoperative complications such as wound dehiscence or surgical site infection were not noted. The scar assessment scale demonstrated a significant improvement in each index. The intermittent pressure therapy led to patient compliance, and avoided pressure-related pain and discomfort.CONCLUSION: Excision followed by intermittent pressure application using a magnet successfully reduced the burden of fibro-proliferative keloids, and had good patient compliance. The role of intermittent pressure application and resting should be studied with regard to keloid tissue remodeling.
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Humans , Cicatrix , Ear , Keloid , Patient Compliance , Postoperative Complications , Recurrence , Surgical Wound Infection , Treatment Outcome , Wounds and InjuriesABSTRACT
Objective@#To explore the clinical characteristics of multiple magnetic digestive tract foreign bodies ingested by mistake, to review the previous literature and provide reference for clinical treatment.@*Methods@#The clinical data, treatment process and outcome of 8 cases of children with multiple magnetic foreign bodies admitted to Shanxi Children′s Hospital were retrospectively analyzed, and relevant literatures were reviewed.@*Results@#Eight children with multiple magnets were aged 1 to 9 years old, and their medical history ranged from 5 hours to 2 months.Number of magnets ingested was 2-25.During the operation, 6 patients were found with multiple intestinal perforations, 1 with internal fistula and 2 with internal abdominal hernia, with at least 2 perforations and at most 6 perforations.The perforation sites located in the distal esophagus, stomach, duodenum, jejunum, ileum and colon.Seven cases were treated by emergency surgery, and 1 case was removed by colonoscopy and discharged after conservative treatment.One case underwent simple repair, 1 case underwent gastrojejunostomy, intestinal perforation repair; partial intestinal resection was performed in 2 places in 2 cases; partial intestinal resection was performed in 1 place and simple repair in the other places in 2 case; 1 case of fistula in child with intestinal anastomosis laparoscopic exploration, incision bowel resection.Seven cases recovered after surgical treatment.The child with intestinal obstruction after colonoscopy was discharged uneventfully 9 days later by conservative treatment, no complications occurred by followed-up.Combined with experience and literature, we developed a management algorithm for digestive tract magnet foreign body.@*Conclusion@#Accidental ingestion of multiple magnets can cause multiple digestive tract perforations, internal hernia, intestinal obstruction and other serious diseases, which should be treated as soon as possible.Therefore, it is necessary to strengthen the understanding of multiple magnet foreign bodies in children, early detection and early treatment.
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Objective To explore the clinical characteristics of multiple magnetic digestive tract for-eign bodies ingested by mistake,to review the previous literature and provide reference for clinical treatment. Methods The clinical data,treatment process and outcome of 8 cases of children with multiple magnetic for-eign bodies admitted to Shanxi Children′s Hospital were retrospectively analyzed,and relevant literatures were reviewed. Results Eight children with multiple magnets were aged 1 to 9 years old,and their medical history ranged from 5 hours to 2 months. Number of magnets ingested was 2-25. During the operation,6 patients were found with multiple intestinal perforations,1 with internal fistula and 2 with internal abdominal hernia,with at least 2 perforations and at most 6 perforations. The perforation sites located in the distal esophagus,stomach, duodenum,jejunum, ileum and colon. Seven cases were treated by emergency surgery, and 1 case was removed by colonoscopy and discharged after conservative treatment. One case underwent simple repair, 1 case underwent gastrojejunostomy,intestinal perforation repair;partial intestinal resection was performed in 2 places in 2 cases;partial intestinal resection was performed in 1 place and simple repair in the other places in 2 case;1 case of fistula in child with intestinal anastomosis laparoscopic exploration,incision bowel resec-tion. Seven cases recovered after surgical treatment. The child with intestinal obstruction after colonoscopy was discharged uneventfully 9 days later by conservative treatment, no complications occurred by followed-up. Combined with experience and literature,we developed a management algorithm for digestive tract magnet foreign body. Conclusion Accidental ingestion of multiple magnets can cause multiple digestive tract perfo-rations,internal hernia,intestinal obstruction and other serious diseases,which should be treated as soon as possible. Therefore,it is necessary to strengthen the understanding of multiple magnet foreign bodies in chil-dren,early detection and early treatment.
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In order to improve work environment for nurses and establish magnet hospital,nursing council was created in year of 2015,consisting of unit-based council,clinical resources council,nursing core council,nursing coordinating council and supportive system,to lead nurses to participate in nursing management and decision-making.After two years' implementation,profession nursing management index was increased from 174.13±43.90 to 170.25±38.98,and nursing management mode was transformed into shared governance,clinical nurses admitted nursing council system,and they believed it improved their awareness of responsibility and interpersonal support.Implementation of nursing council have positive effects on establishment of magnet hospital.
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Dentre os três principais tipos de contaminações, a física, não menos importante que a química e biológica, deixa grandes dúvidas quando o assunto é metal. Qual a melhor forma de retê-los? A resposta certamente será obtida analisando a origem do risco, porém, o que implantar na linha de produção quando a dúvida é: detector de metais ou atrativo magnético? Neste artigo foi identificado que, para uma determinada situação de risco, nem a barra magnética nem o detector de metais reduzem os perigos a níveis aceitáveis. Para este estudo foram reunidos dados de uma barra magnética e dados do Serviço de Atendimento ao Cliente de uma empresa de confeitos durante 12 meses. Estes mesmos dados foram avaliados em comparação à eficácia de um detector de metais e em relação às leis vigentes no país. Desta forma foi identificado que, na empresa estudada, utilizar somente a barra magnética, apesar dos perigos não estarem dentro dos níveis aceitáveis, é mais viável pois apresentou melhores resultados que o detector de metais e não causa perdas por falsos rejeitos.(AU)
Among the three main types of contamination, physics, no less important than chemical and biological, leave bigs doubts when it comes to metal. What is the best way to retain them? The answer will certainly be obtained by analyzing the origin of the risk, but what to implant in the production line when the doubt is: metal detector or magnetic attraction? In this article it was identified that for a given risk situation the magnetic bar reduces the hazards to acceptable levels. For this study data was collected from a magnetic bar and customer service data in a confectionery company for 12 months.These same data were evaluated in comparison to the effectiveness of a metal detector and in relation to the laws in force in the country. In this way it was identified that in this confectionery company, only using the magnetic bar is enough to reduce the danger to acceptable levels
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Humans , /prevention & control , Foods Equipment , Magnets , Consumer Product Safety , Food SafetyABSTRACT
Objective To develop a magnetic angulometer for the elevated headboard and footboard of manual hospital bed and then evaluate its performances.Methods The angulometer was made of a rectangular PVC,wooden or metal board.The board had a semicircular angle display area at one end,with the straight line at the top while the curve at the bottom of the board.At the other end there was a magnet fixed with a double coated film,which paralleled the top margin of the angulometer.The angle display area was divided into two symmetrical parts,with the angle range from 0 to 90° and the scale being 15°.A string hanging a weight at the center of the angulometer was used to indicate the angle.A control group was formed with the rusults that 14 nurses got with the troditional angulometers in June.2015,and an observation group came into being with the resalts that the 14 nurses obtained with the developed angulometers in July 2015.The two groups with different angulometers were compared on the efficiency for elevating the headboard to some angle appointed.Results The observation group gained significantly higher position compliance with elevation than the control group (x2=75.15,P＜0.01),and also statistically higher angulometer efficiency when elevating the headboard to the appointed angle (t=-8.80,-5.68) (P＜0.01).Conclusion The angulometer has simple structure and easy operation,and enhances the compliance to body position nursing and the nurse's efficiency.
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Objective To develop nursing professional practice model and explore its effects on magnet hospital construction.Methods The core team was established,and nursing professional practice model was developed based on standard of International Magnet Recognition Program.Nursing practices were guided by the developed model:leading clinical nurses to participate in nursing management and decision making,implementing primary holistic nursing,encouraging multidisciplinary collaboration,developing healthy work environment,promoting nursing professionalism,and fostering nursing culture.Results After two years' implementation,employment rate of interior interns was increased from 50.20％ to 72.30％(x2=22.879,P＜0.05).Nursing adverse events,nurses' job satisfaction,patient satisfaction met standard of magnet recognition.Conclusion Nursing professional practice model can increase employment rate of interior interns,decrease nursing adverse events,improve nurses' and patients' satisfaction,which has positive impacts on magnet hospital construction.
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Objective To develop nursing professional practice model and explore its effects on magnet hospital construction.Methods The core team was established,and nursing professional practice model was developed based on standard of International Magnet Recognition Program.Nursing practices were guided by the developed model:leading clinical nurses to participate in nursing management and decision making,implementing primary holistic nursing,encouraging multidisciplinary collaboration,developing healthy work environment,promoting nursing professionalism,and fostering nursing culture.Results After two years' implementation,employment rate of interior interns was increased from 50.20％ to 72.30％(x2=22.879,P＜0.05).Nursing adverse events,nurses' job satisfaction,patient satisfaction met standard of magnet recognition.Conclusion Nursing professional practice model can increase employment rate of interior interns,decrease nursing adverse events,improve nurses' and patients' satisfaction,which has positive impacts on magnet hospital construction.
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·AIM:To investigate the surgical method and efficacy of extraction of deep orbital magnetic foreign bodies by mean of an orbital strong magnet.·METHODS: A retrospective analysis of clinical data of patients with deep orbital magnetic foreign bodies ( OMFB ) in Hebei Eye Hospital from June 2014 to May 2017 was processed. A total of 23 eyes were enrolled, among them, 14 eyes of extraorbital OMFB, 9 eyes of intraorbital OMFB. The rate of extraction of foreign bodies and the postoperative complications were observed.·RESULTS: All eyes of intraorbital foreign bodies were successfully extracted with 100% success rate. Twelve of 14 eyes of extraorbital foreign bodies were extracted with 86% success rate. Mild orbital hemorrhage were found in 2 eyes. There was no other obvious complication such as visual loss, orbital massive hemorrhage or limited ocular movement.·CONCLUSION: It's an ideal surgical method to extract the deep orbital magnetic foreign bodies by mean of an orbital strong magnet, with mini-injury, high success rate, short duration and few complications.