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A patent has been issued for a partition design and molding method for an acetabular cup prosthesis with a porous surface. The invention aims to improve the design and manufacturing process of acetabular cups to prevent detachment and inflammation. The method involves modeling a spherical shell, cutting it into equal parts, designing a porous layer on the surface, reorganizing the cup, and 3D printing the final prosthesis. The patent was filed by inventors from Huazhong University of Science and Technology in China. [Extracted from the article]

A patent has been issued for an apparatus and method for precise mechanical tissue ablation using pressure modulated focused ultrasound. The technology aims to provide more precise tissue ablation by controlling vapor bubble dynamics without the shock scattering effect. The apparatus includes an ultrasound output unit and a control unit to adjust the pressure and intensity of the focused ultrasound. By reducing the acoustic pressure and intensity when certain conditions are met, the technology can remove tissue without causing damage. This technology has potential applications in medical treatments such as cancer cell ablation. [Extracted from the article]

A recent report from the Military Institute of Science and Technology (MIST) in Dhaka, Bangladesh, discusses the application of physical vapor deposition (PVD) coatings in medical implantology. PVD coating technology is widely used in various industries and has numerous benefits for medical implants. These coatings improve osseointegration, reduce wear and friction, increase corrosion resistance, and have antibacterial properties, leading to better patient outcomes and a higher quality of life. The report highlights the different uses of PVD-coated medical implants, including orthopedic, dental, cardiovascular, and neurosurgical devices. It also addresses the challenges and prospects of PVD coating technologies. This review is valuable for academics, doctors, and businesspeople interested in the combination of PVD coating and medical implantology. [Extracted from the article]

Researchers from the Department of Oral and Maxillofacial Surgery at Hasanuddin University in Makassar, Indonesia, conducted a systematic review on the post-surgical complications of supernumerary teeth in the mandibular premolar area. They found that supernumerary teeth in this region are rare and predominantly occur in male patients. The study concluded that surgical management of these teeth is relatively safe, but caution is advised due to the limited sample size. The researchers recommend detailed pre-operative evaluation, a comprehensive treatment plan, and regular follow-up to minimize postoperative complications. [Extracted from the article]

A recent study conducted by researchers at the University of Insubria in Italy examined the epidemiology of pediatric meniscal surgery in the country over a 10-year period. The study found that the incidence of meniscal injuries among children has increased due to increased participation in sports. The researchers analyzed data from the National Archive of Hospital Discharges and found that 17,449 isolated meniscal tears were surgically treated between 2010 and 2019, with a mean incidence of 20.6 per 100,000 in the Italian population aged up to 18. The study also revealed a reduction in the total number of surgeries performed over time, but a significant rise in the incidence of meniscal lesions in males above the age of 13. The researchers suggest that better management and a shift towards meniscal preservation may explain this trend. [Extracted from the article]

A research team at the Daegu Gyeongbuk Institute of Science and Technology (DGIST) and Sungkyunkwan University has developed an electronic suture that can monitor changes in inflammation levels around wounds in real time. This electronic suture has the potential to significantly contribute to wound care and personalized care in various medical fields. Unlike traditional surgical sutures, this electronic suture can continuously monitor the inflammatory condition of a wound, allowing for more effective treatment and early detection of infections. The research team plans to further develop body-inserted healthcare devices that can measure various vital signs. [Extracted from the article]

A recent study conducted by researchers at Shanghai University of Traditional Chinese Medicine aims to evaluate the clinical efficacy and safety of the bared external anal sphincter (BEAS) surgery compared to the modified Hanley procedure for treating high horseshoe-shaped anal fistulas (HHAF). The study will be conducted in a tertiary hospital in China and will assess wound healing rate, time to return to work, pain scores, and quality of life in patients who undergo these surgical treatments. The research aims to provide evidence-based support for future randomized controlled trials and contribute to a better understanding of the clinical effectiveness of these approaches. [Extracted from the article]

A study conducted by Chang Gung University in Taiwan evaluated the performance of ChatGPT-3.5 and ChatGPT-4, large language models, in answering questions from the Taiwan Plastic Surgery Board Examination. The study found that ChatGPT-4 outperformed ChatGPT-3.5, achieving a 59% correct answer rate compared to 41% for ChatGPT-3.5. The researchers suggest potential reforms, such as incorporating more problem-based scenarios and leveraging AI-assisted learning, to enhance the assessment of candidates' critical thinking and problem-solving abilities in the field of plastic surgery. The study concludes that as ChatGPT evolves, its performance on the examination is expected to improve further. [Extracted from the article]

Researchers at the First Medical Center in Beijing, China have developed a self-reported symptom-based decision-making model to help rule out low-risk outpatient cases for colorectal cancer (CRC) before colonoscopy. The model was constructed using 60 self-reported symptom parameters collected from a questionnaire and was validated using internal and external cohorts. The model demonstrated good discriminatory power and was found to be user-friendly and effective in ruling out low-risk cases. This study provides a simple and efficient tool for rapid outpatient decision-making in CRC screening. [Extracted from the article]

A patent application titled "Partition Design And Molding Method For Acetabular Cup Prosthesis With Porous Surface" has been published online by the US Patent and Trademark Office. The patent application, filed by inventors from Huazhong University of Science and Technology in China, describes a method for designing and molding an acetabular cup prosthesis with a porous surface. The method involves modeling a spherical shell, cutting it into equal parts, designing a porous layer on the surface, reorganizing the cup, constructing a hemispherical cup, and 3D printing the final product. The disclosed method aims to improve the precision, mechanical properties, and bone ingrowth performance of the acetabular cup prosthesis, ultimately extending its service life. [Extracted from the article]

Researchers from Beijing Information Science and Technology University have developed a new design for highly thermally conductive 1-1-3 piezoelectric composites. These composites are commonly used in transmitting transducers, medical devices, navigation, and aerospace applications. The novel design significantly improves heat dissipation while maintaining high piezoelectric properties, resulting in a two-fold increase in heat dissipation rate compared to traditional composites. The researchers also fabricated an efficient heat dissipation transducer (EHDT) using the new composite, which achieved three times more power output than conventional transducers at the same temperature threshold. This research was funded by the National Natural Science Foundation of China and the Project of Construction and Support for high-level Innovative Teams of Beijing Municipal Institutions. [Extracted from the article]

A recent report from the Universidad Autonoma de Chihuahua in Mexico discusses research on the airflow expelled by a person wearing a disposable face mask. The study used an optical schlieren experimental arrangement to analyze the physical characteristics of the airflow, such as refractive index gradient, temperature distribution, and velocity field. The results showed differences in the performance of different face masks, with the KN95 mask expelling the lowest airflow with different physical properties. The research suggests that understanding the airflow behavior around face masks can help reduce the risk of spreading infectious airborne particles. [Extracted from the article]

A patent has been issued for a spiral ultrasonic tomography imaging method and system developed by inventors from Huazhong University of Science and Technology in China. The method aims to improve the spatial resolution and scanning time of ultrasonic tomography imaging by controlling the positions of emission array elements in a spiral trajectory. By emitting ultrasonic waves and collecting echo data, the system can generate tomography imaging of an object to be detected. The invention addresses the limitations of current step scan methods and offers potential improvements in diagnostic accuracy and patient comfort. [Extracted from the article]

Researchers from Sun Yat-sen University conducted a study to evaluate the impact of pay-for-performance on antimicrobial consumption and expenditure in a large teaching hospital in Guangzhou, China. The study found that the adoption of pay-for-performance effectively reduced antibiotic consumption in specific departments of the hospital in the short term. However, the long-term impact of such interventions was limited, and the overall effectiveness of the intervention across the entire hospital was not significant. This research provides valuable insights into the effects of pay-for-performance on antimicrobial stewardship in healthcare settings. [Extracted from the article]

A recent study conducted by researchers at the First Affiliated Hospital of Wenzhou Medical University in China analyzed the global research status, hotspots, and trends of anterior shoulder dislocation using bibliometric analysis. The study found that anterior shoulder dislocation is the most common type of shoulder dislocation and can easily become recurrent, leading to a burden on society. The research output on anterior shoulder dislocation has been increasing over the past two decades, with a focus on surgical treatment. The study suggests that surgical treatment will likely continue to be a research hotspot in this field in the future. [Extracted from the article]

A study conducted by researchers at Huazhong University of Science and Technology in China examined the efficacy of rituximab (RTX) in treating steroid-resistant Graves' orbitopathy (GO) in a Chinese population. The study found that a single dose of 500 mg RTX was effective in treating steroid-resistant GO, with 82.1% of patients experiencing positive outcomes. The treatment also improved symptoms such as diplopia, visual dysfunction, and MRI-detected T2 relaxation time of the involved extraocular muscles. However, larger-scale studies with a control group are needed to confirm these findings, and further research is required to explore the role of RTX in managing steroid-resistant dysthyroid optic neuropathy (DON) where surgery is unavailable or ineffective. [Extracted from the article]

A recent study conducted by researchers at Beijing Hospital in China found that ChatGPT, an artificial intelligence model, achieved comparable accuracy to specialist physicians in predicting the risk of endotracheal intubation within 48 hours following high-flow nasal cannula (HFNC) oxygen therapy. The study involved 71 adult patients who received HFNC therapy, and the predictive performance of ChatGPT was compared to that of specialist and non-specialist physicians. The researchers determined that ChatGPT 4.0 demonstrated a precision of 76.1% and a sensitivity of 75.4% in predicting intubation risk, which was similar to the performance of specialist physicians. This research suggests that ChatGPT could be a valuable tool in predicting the efficacy of HFNC therapy. [Extracted from the article]

A study conducted at the Lithuanian University of Health Sciences compared two surgical treatments for chronic symptomatic pilonidal disease (PD): minimally invasive pit-picking surgery and radical excision without wound suturing. The study enrolled 100 adult patients with PD and found that the pit-picking surgery group experienced significantly lower pain levels in the first postoperative week compared to the radical excision group. The pit-picking group also had a shorter wound healing time. The study concluded that minimally invasive pit-picking surgery is a better option in terms of pain, wound healing time, and failed surgery rate. However, further investigation is needed to understand the relationship between PD and recurrence rates. [Extracted from the article]

A recent report from Alice Springs Hospital in Australia focuses on the impact of the Finke Desert Race, an offroad motorbike and buggy race, on trauma presentations at the hospital. The study compared trauma cases during the race weekend to a control period and found that the race weekend had a significantly higher incidence of trauma presentations. However, the completion of tertiary trauma surveys (TTS) and the time taken to complete them were similar between the two periods, suggesting that the hospital was able to maintain standard trauma management principles. This research provides insights into the challenges faced by rural hospitals during major events and highlights the importance of efficient trauma management. [Extracted from the article]

A study conducted at the First Affiliated Hospital of Soochow University in China aims to investigate the effects of intraoperative dexmedetomidine on postoperative sleep disturbance (PSD) in elderly patients undergoing major abdominal surgery. The trial will involve 210 elderly patients who will be randomized into two dexmedetomidine groups and a placebo group. The primary endpoint is the occurrence of PSD on the first night after surgery, and secondary endpoints include pain, postoperative delirium, depressive symptoms, and quality of recovery. The study's findings will contribute to improving the quality of sleep among elderly surgical patients. The trial has been approved by the Ethics Committee and will be published in a peer-reviewed journal. [Extracted from the article]

A study conducted by the National Neuroscience Institute in Singapore explored the effectiveness of using immersive virtual reality (iVR) as a training tool for surgical skills. The study compared the use of iVR instructional recordings with traditional methods such as reading written manuals or watching 2D instructional videos. The results showed that students who used iVR training experienced greater improvements in suturing skills compared to those who used written manuals. While the iVR group also showed improvements compared to the 2D video group, the difference was not statistically significant. This study suggests that iVR training using real-world recordings can be a valuable tool for surgical training. [Extracted from the article]

A recent study conducted at Huashan Hospital of Fudan University in Shanghai, China, examined the efficacy and safety of using a mixture of methylene blue and medical adhesive for the preoperative localization of pulmonary nodules. The study included 103 patients who underwent CT-guided localization, with a success rate of 100%. The average diameter of the nodules was 9.50 mm, and the average distance from the pleural surface was 19.95 mm. The study found that the use of medical adhesive mixed with methylene blue was both safe and effective for pulmonary nodule localization, allowing surgeons flexibility in scheduling procedures. [Extracted from the article]

A recent study conducted by researchers at the University of Michigan Medical School explored the use of dermoscopy, a technique commonly used in dermatology, for evaluating periorbital, eyelid, and conjunctival lesions in ophthalmology. The study involved training technicians to capture high-quality images using a dermoscope attached to a standard cell phone camera. The images were then assessed by an oculoplastic surgeon and two dermatologists for diagnostic utility. The results showed that medical support staff in eye-care offices can be taught to use dermoscopes effectively, offering a new avenue to improve decision-making in ophthalmology. Dermoscopy can also be incorporated into telemedicine evaluations and surgical planning if needed. [Extracted from the article]

A study conducted by researchers at Sun Yat-sen University in Guangzhou, China aimed to develop and validate a predictive model for myocardial injury in individuals undergoing major abdominal surgery. The study included 3546 patients aged 45 years who underwent major abdominal surgeries at two Chinese tertiary hospitals. The researchers developed a predictive model for myocardial injury after surgery by incorporating factors such as age, American Society of Anesthesiologists (ASA) classification, preoperative hemoglobin concentration, preoperative serum ALB concentration, blood loss, total infusion volume, and operation time. The model showed promising results in identifying patients at moderate-to-high risk prior to non-cardiac surgery. [Extracted from the article]

Researchers at Peking University Third Hospital in Beijing, China conducted a retrospective review of 505 cases to evaluate the accuracy of ultrasound-guided fine-needle aspiration (FNA) in determining the etiology of small cervical lymph nodes. The study found that FNA achieved high sensitivity (88.8%), specificity (99.6%), positive predictive value (99.4%), negative predictive value (91.8%), and overall accuracy (94.8%) in diagnosing small cervical lymph nodes. The researchers concluded that FNA cytology is suitable for small lesions inaccessible by core needle biopsy (CNB) and provides a diagnostic basis for appropriate treatment measures. [Extracted from the article]

A recent study conducted at the Children's Hospital at Westmead in Australia explored the perceptions of nurses in surgical neonatal intensive care units (sNICUs) regarding developmental care practices. The study found that nurses who had received formal developmental care education were more likely to perceive its consistent application and value, as well as receive support from their peers. The majority of respondents recognized the benefits of developmental care for parents and infants. The researchers suggest that future research should focus on evaluating the application of developmental care in sNICUs. [Extracted from the article]

A research team led by Professor Jaehong Lee from DGIST, in collaboration with teams from Yonsei University and Korea University, has developed a wireless electronic suture system for monitoring the recovery process in orthopedic fields. The system functions as a strain sensor and can be easily applied like a regular suture. It features a special oil film coating to minimize immune reactions and can be operated stably within the body for a long period. The team successfully used the system to assess the repair properties of a porcine Achilles tendon. This research opens up possibilities for the development of electronic sutures with multiple functions in the field of human-embedded healthcare devices. [Extracted from the article]

Researchers at the University of Science and Technology of China have developed a molecular-solid sensor that can quickly recognize the chirality of natural amino acids through room-temperature phosphorescence (RTP). This new method overcomes the limitations of traditional luminescence-based methods by leveraging the chiral-selective phosphorescence enhancement (CPE) phenomenon. The team discovered that amino acids react with 2-naphthoyl chloride to form chiral energy acceptors, sensitizing the generation of RTP. The method has wide applicability and can recognize chiral molecules in just a few minutes. [Extracted from the article]

A patent has been issued for a processing technology that enables three-dimensional imaging display using an equivalent negative refractive flat lens. The technology addresses limitations in current lens imaging, such as optical aberrations and high production costs of holographic imaging. The processing method involves cutting optical material into strip-shaped optical waveguides, plating them with an aluminum film, and gluing them together to form an array. The array is then processed and cut into two sets of plates, which are glued together at a 45-degree angle to create the equivalent negative refractive flat lens. The patent was filed by Anhui Dongchao Science and Technology Company Limited. [Extracted from the article]

Researchers at University Hospital Charles Nicolle have developed a 3D printed model of a common fracture in children called supracondylar fracture. The model includes the periosteum, which is a tissue involved in the fracture's physiology and treatment. The researchers used 3D scanning and printing technology to create the model, which was then validated by pediatric orthopedic surgeons. The model was found to be informative for parents and students, and it is the first of its kind to include a full-size physeal and periosteum. [Extracted from the article]

A study conducted by Yonsei University in Seoul, South Korea, explores the esthetic complications that can arise from the infrapositioning of implants in the maxillary anterior region. The research focuses on a case study of infrapositioning of a maxillary central incisor and describes the surgical and prosthetic approaches used to achieve esthetic results. The surgical approach involved improving the gingiva shape using the tunnel technique, while the prosthetic approach increased gingiva thickness by adjusting the shape of the abutment. The study provides valuable insights into managing esthetic complications associated with implant-retained maxillary incisor crowns. [Extracted from the article]

Researchers at the University of Science and Technology of China (USTC) have developed two-dimensional (2D) chiral metal-organic frameworks (CMOFs) that exhibit large spin splitting, known as the Rashba-Dresselhaus (R-D) effect. The R-D effect is a spin splitting phenomenon caused by spin-orbit coupling in a space-inversion symmetry-breaking environment. The researchers constructed a series of CMOFs materials and found that the spin texture in the valence band can be tuned by changing the chirality of the metal-organic backbone. This study provides insights into the factors that control R-D spin splitting and could contribute to the development of 2D R-D semiconductors with giant spin splitting. [Extracted from the article]

A patent application titled "Magnetic Actuation Device Using Permanent Magnets And System Using The Same" has been published online by the US Patent and Trademark Office. The patent application was filed by inventors from Daegu, South Korea and is assigned to the Daegu Gyeongbuk Institute of Science and Technology. The invention aims to provide a magnetic actuation device using permanent magnets that has lower power consumption, lower heat generation, and a higher degree of freedom for easy space utilization. The device includes a base and at least two magnetic field generation modules, each containing a permanent magnet that can be rotated about a horizontal or vertical axis. The invention also includes a magnetic actuation system that incorporates the magnetic actuation device, a bed, an imaging device, and a control device. [Extracted from the article]

Researchers at Nanjing University of Chinese Medicine have conducted a study on the mechanism of Huanglian ointment (HLO) in promoting wound healing after anal fistula surgery. The study used rats with infected wounds to simulate poor healing after anal fistula surgery. The results showed that HLO increased the rate of wound healing, reduced inflammation, and increased collagen and fibroblast production. Proteomics and metabolomics analysis identified proteins and metabolites associated with wound healing. This study provides a theoretical basis for using HLO in the treatment of wounds after anal fistula surgery. [Extracted from the article]

A recent study conducted by researchers at Radboud University Medical Center in the Netherlands examined the impact of alcohol on fine motor skills in a minimally invasive surgical setting. The study, which included 1056 participants, found that higher levels of alcohol consumption were associated with a decrease in surgical performance. However, there was no significant difference in the occurrence of errors among the groups. The researchers suggest that professional medical organizations should reconsider their position on alcohol use in healthcare. [Extracted from the article]

A recent study conducted by researchers at Fresenius Medical Care Deutschland GmbH has found that hydrophilic modification of dialysis membranes can sustain the removal of middle molecules and maintain filtration performance over time. The study compared the clearance of middle molecules and filtration characteristics of nine different types of dialyzers. The results showed that the dialyzer with a hydrophilic modified membrane had the highest clearance of middle molecules and the most stable filtration characteristics. This research suggests that hydrophilic membrane modification could be beneficial for hemodiafiltration treatments that aim to achieve high exchange volumes. [Extracted from the article]

A study conducted at the Second Affiliated Hospital of Fujian Medical University in China has developed a model for predicting calculous obstructive pyonephrosis before percutaneous nephrolithotomy (PNL). The model uses baseline clinical indicators to identify independent risk factors for pyonephrosis, such as blood neutrophil count, serum creatinine level, and urine nitrite. The model was found to accurately predict patients with preoperative pyonephrosis and can provide a basis for early renal microchannel nephrostomy. This research contributes to the field of science and technology in the medical field. [Extracted from the article]

A recent study conducted by researchers at the University of Minnesota Medical School examined the differences in sagittal balance between sitting and standing positions. The study found that there are significant variations in radiographic measures between the two postures, which could have implications for non-ambulatory patients and surgical outcomes. The researchers emphasized the need for further studies on sitting and standing radiographic measures in different postures and spinal conditions. This information is important for understanding spinal deformity and improving surgical interventions. [Extracted from the article]

A recent study conducted in Fukuoka, Japan, examined the effectiveness of halo vest fixation in maintaining cervical spine alignment during surgery for patients with cervical spine instability. The study involved 14 patients who were immobilized in halo vests before undergoing internal fixation surgery. The results showed that when patients were repositioned to the prone position while wearing the halo vests, the cervical spine was distracted in the cephalocaudal direction but the alignment was sufficiently maintained. The researchers concluded that halo vests are a highly effective method for stabilizing the cervical spine and allowing for safe repositioning during surgery. [Extracted from the article]

A recent study conducted by researchers at Naval Medical University in Shanghai, China, explored the use of a modified keystone flap for reconstructing perianal skin defects after tumor removal. The study involved 20 patients who underwent the keystone flap repair procedure, with an average wound size of 3.5 x 4.9 cm2. The results showed that primary wound healing was achieved, and the flap survived during the follow-up period of 6 to 24 months, with no severe complications reported. The researchers concluded that the keystone flap is a promising and effective method for repairing perianal skin defects after tumor resection. [Extracted from the article]

A patent has been issued for surgical robotic devices and systems that are used in minimally invasive and natural orifice transluminal endoscopic surgical procedures. These advancements in surgical technology aim to address various challenges faced in modern surgical procedures, such as the need for multiple incisions and difficulties in providing access to all parts of the abdominal cavity. The patent describes a surgical arm assembly that includes an arm assembly, an end-effector assembly, and a wrist assembly, allowing for precise movements of surgical instruments inside the patient's body cavity. The invention also includes features like haptic feedback and electrical isolation to enhance the surgical experience. [Extracted from the article]

A recent study conducted at Western University in Canada has developed and validated an automated algorithm for surgical planning of bone-conduction implants, specifically the BONEBRIDGE device. The algorithm accurately estimates skull thickness using clinical computed tomography (CT) scans and generates 3D models to aid in surgical planning. The algorithm's estimations closely matched expert manual measurements, making it a valuable tool for surgeons. The algorithm has been published as an extension to the open-source 3D Slicer software program and can be used for any bone thickness application. [Extracted from the article]

A study conducted in Anhui, People's Republic of China, investigated the use of multimodal ultrasound in diagnosing fetal bowel dilatation (FBD) and predicting adverse neonatal outcomes. The study analyzed 86 cases of FBD using two- and three-dimensional ultrasound imaging. The research found that duodenal dilatations occurred earlier in pregnancy and had a higher incidence of chromosomal abnormalities and multi-system abnormalities compared to dilatation in other parts of the bowel. The study also demonstrated that three-dimensional ultrasound was more effective in detecting jejunum/ileum and colon obstructions compared to two-dimensional ultrasound. The researchers developed a predictive model for neonatal surgery based on clinical signs such as polyhydramnios, ascites, and strong echoes in the intestine. [Extracted from the article]

A recent report from Southern Medical University in Guangzhou, China, analyzes the use of extended reality (XR) in surgical training. The researchers conducted a bibliometric analysis of literature on XR in surgical training since the 21st century. They found that China has been gradually entering the field since 2001, with its growth accelerating since around 2016. While international institutions have formed stable cooperation clusters, Chinese institutions lack international and domestic cooperation. XR has primarily been applied in orthopedic surgery, cataract surgery, laparoscopic training, and intraoperative use in neurosurgery worldwide. The researchers concluded that Chinese scholars are making steady progress and have great potential in this area, and anticipate that augmented reality (AR) will play an increasingly important role in future research. [Extracted from the article]

Researchers at Pohang University of Science and Technology (POSTECH) have developed a transparent ultrasound transducer that combines molecular imaging contrast with ultrasound imaging. This innovative technology allows for real-time visualization of molecular and structural information inside the body without the use of ionizing radiation. The transparent transducer overcomes the limitations of conventional ultrasound transducers, which are typically opaque and cannot be seamlessly integrated into light pathways. The new transducer achieves both exceptional optical transparency and high acoustic performance, resulting in improved depth-to-resolution ratios for ultrasound and photoacoustic imaging. The researchers believe that this technology has the potential to enhance medical diagnosis and be applied in various fields, including mobile devices and robotics. [Extracted from the article]