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A patent has been issued for bone and tool tracking in robotized computer-assisted surgery by inventors Louis-Philippe Amiot and Pierre Couture, assigned to Orthosoft Ulc. The system involves obtaining backscatter images of bones, generating a three-dimensional geometry, and continuously outputting the position and orientation of the bone to a robot driver controlling a surgical tool. The technology aims to improve tracking accuracy and efficiency in computer-assisted surgery, utilizing optical tracking methods and machine learning. [Extracted from the article]

A recent study conducted by St. Luke's Radiation Oncology Network in Dublin, Ireland, compared the quality-of-life outcomes of patients with locally advanced rectal cancer who received radiotherapy using three-dimensional conformal radiotherapy (3DCRT) and intensity-modulated radiotherapy (IMRT) techniques. The study found that IMRT was associated with limited quality-of-life benefits compared to 3DCRT in patients undergoing neoadjuvant chemoradiotherapy for locally advanced rectal cancer. The research was funded by Cancer Trials Ireland and the Health Research Board of Ireland, and the findings were published in Clinical Oncology. [Extracted from the article]

A recent study conducted at Isfahan University of Medical Sciences in Iran compared different radiotherapy methods for treating gastric cancer patients. The study found that helical tomotherapy (HT) showed better homogeneity compared to coplanar and non-coplanar three-dimensional conformal radiotherapy (3D-CRT) methods. While HT plans were deemed the best overall, the study emphasized the importance of considering tumor location in relation to organs at risk when selecting the optimal treatment method. The research has been peer-reviewed and provides valuable insights for oncology and radiation therapy practitioners. [Extracted from the article]

Mobius Imaging LLC has been issued a patent for methods and systems for displaying patient data in computer-assisted surgery. The patent aims to improve the safety and ease-of-use of computer-assisted surgical systems by integrating virtual three-dimensional datasets of a patient's anatomy with the actual surgical area. The patent includes methods for displaying image data on handheld devices and robotic arms, as well as tracking movement and orientation for enhanced surgical procedures. [Extracted from the article]

A patent has been issued for a tensor device designed for revision knee arthroplasty, developed by inventor Eric Greber and assigned to Zimmer Inc. The device aims to improve precision in joint alignment and adherence to surgical plans during knee revision procedures. By connecting to reamer shafts in the femur and tibia, the tensor device provides accurate information for gap balancing, joint line alignment, and implant positioning, potentially enhancing outcomes for patients undergoing orthopedic surgeries. The device includes features such as a lock lever for setting desired tension, indicators for joint line and gap sizes, and a cut guide for surgical assistance. [Extracted from the article]

A patent application titled "System And Method For Computer-Assisted Surgery" by inventors Aneesh Jonelagadda and Chandra Jonelagadda has been published online. The application describes methods and apparatuses for providing assistance in planning, analyzing, and performing surgeries using computer-implemented techniques. The invention aims to use AI algorithms to improve surgical outcomes by assisting operators during medical procedures. The patent application details a computer-assisted method for assisting in surgical procedures, including identifying landmarks, generating virtual trajectory guides, and modifying surgical site videos in real-time. [Extracted from the article]

A patent has been issued to Orthosoft ULC for a robotic surgical device designed to assist in revision knee arthroplasty procedures. The system involves using a robotic surgical device to remove an existing implant, plan and perform cuts on the bone, and replan for the placement of a new implant. This technology aims to improve precision and accuracy in orthopedic joint repair surgeries, potentially reducing errors associated with conventional techniques. [Extracted from the article]

A patent application by inventor Louis-Philippe AMIOT for a robotic system with force monitoring in computer-assisted surgery has been made available online. The system aims to monitor the force of a robot's end effector on a bone during surgery, providing real-time data and control over force application. This technology could enhance surgical precision and outcomes, particularly in orthopedic and neurological procedures, by integrating robotics and force monitoring into operative surgical procedures. The system offers autonomous and collaborative modes for controlling the robot arm and tool, ensuring controlled and precise force application during surgery. [Extracted from the article]

A study conducted at Isfahan University of Medical Sciences in Iran explored the efficacy of Linovera spray plus hydrocortisone cream in preventing skin reactions in breast cancer patients undergoing conformal radiotherapy. The research found that the intervention group, which used both the spray and cream, showed a statistically significant reduction in dermatitis severity compared to the control group by week 5. While the study did not find a significant impact on overall incidence or severity, it suggested potential benefits with prolonged use of Linovera spray and hydrocortisone. Further research is recommended to explore the skin-protective effects of hyperoxygenated fatty acids (HOFA). [Extracted from the article]

Researchers at Umm Al-Qura University in Mecca, Saudi Arabia, conducted a study comparing different radiotherapy techniques for locally advanced rectal cancer (LARC). The study compared 3D Conformal Radiotherapy (3DCRT) with Intensity-Modulated Radiotherapy (IMRT) and Volumetric Modulated Arc Therapy (VMAT) in terms of dose delivery and organ protection. Results showed that VMAT was superior to IMRT and 3DCRT in terms of conformity, homogeneity, and organ at risk sparing for LARC patients. This study provides valuable insights into optimizing treatment plans for LARC patients undergoing short course radiotherapy. [Extracted from the article]

A patent application for a surgical robotic arm with proximity skin sensing has been filed by inventors from France. The system includes a robot arm with capacitive sensors for tracking and outputting the position and orientation of objects relative to the arm. The technology aims to improve computer-assisted surgery by enhancing precision and safety during operative procedures, particularly in orthopedic surgery. The system can also trigger user interactions based on the proximity of objects to the robot arm, potentially enhancing collaboration between the operator and the robotic system. [Extracted from the article]

A patent application by inventors Calloway and Crawford introduces a camera tracking system for computer-assisted surgery navigation. The system aims to improve the registration of stray markers, such as surveillance markers, during surgical procedures. By identifying and classifying markers, the system provides real-time feedback to surgeons, enhancing the accuracy of surgical instrument navigation. The patent application outlines various methods and operations for optimizing marker registration and tracking, ultimately contributing to the advancement of computer-assisted surgery technology. [Extracted from the article]

A patent has been issued for a surgical navigation system that corrects registration degradation during surgical procedures. The system involves using a surgical marking pen to create physical marks on the patient's anatomy, which are then correlated with virtual marks in the patient's volume data. This allows for automatic registration correction and helps to maintain the accuracy of the surgical navigation system. The system is also adaptable for pediatric surgery and low-cost surgical navigation in developing countries. The patent was filed by Stephen C. Minne and published in September 2024. [Extracted from the article]

A recent study conducted by researchers at the Karunya Institute of Technology and Sciences in Tamil Nadu, India, aimed to compare the accuracy of dose calculation for different dose calculation algorithms with different prescription points in patients with lung and buccal mucosa carcinomas. The study found that changing the prescription point and algorithms had an impact on the dose received by the target volume and other organs at risk. The researchers concluded that this study helps demonstrate the accuracy of dose calculation for different dose prescription points with different treatment algorithms in radiotherapy treatment planning. [Extracted from the article]

A recent report from the John R. Oishei Children's Hospital in Buffalo, New York discusses the use of computer-assisted surgery for reduction cranioplasty in cases of hydrocephalic macrocephaly. The report highlights the benefits and challenges of using a CAD/CAM workflow for this procedure. The researchers emphasize that while virtual planning offers advantages, it can also limit intraoperative flexibility and may require troubleshooting errors in pre-operative planning or model design. The report provides a series of cases demonstrating the institution's technique for single-stage reduction cranioplasty using computer-assisted surgery. [Extracted from the article]

A recent study conducted in India surveyed 500 oral surgeons to assess their awareness and adoption of emerging technologies such as 3D printing, computer-assisted surgery, and virtual reality (VR). The survey found that a significant proportion of oral surgeons were aware of these technologies, with adoption rates also notable but lower. Cost and lack of training were identified as major barriers, while improved patient outcomes and enhanced precision were seen as key facilitators. The study suggests that addressing these barriers could lead to increased adoption and potentially enhance patient care. [Extracted from the article]

A patent application has been filed for a surgical guiding system for computer-assisted surgery (CAS) by inventors from Germany and the Netherlands. The system is designed to improve the accuracy of surgical procedures, particularly in bone fractures, by providing surgeons with equipment that allows for precise repositioning of bone parts and positioning of implants. It utilizes radio monitoring and visualization techniques to guide surgical instruments and implants, reducing the need for radiation-intensive imaging methods and decreasing surgery duration. The system also includes features such as reproducible scales and augmented reality visualization to assist surgeons during the operation. [Extracted from the article]

A study conducted at Qingdao Women and Children's Hospital in China compared the use of three-dimensional (3D) and two-dimensional (2D) imaging in preoperative planning for pediatric middle hepatic tumors. The study analyzed 23 children who underwent surgery for these tumors and found that the use of 3D imaging with a computer-assisted surgery system was superior to 2D imaging. The 3D imaging allowed for more accurate surgical resection plans and resulted in successful tumor removal in all cases. The study suggests that 3D imaging should be considered for preoperative planning in pediatric hepatoblastoma cases. [Extracted from the article]

A patent has been issued to Globus Medical Inc. for a camera tracking system that identifies phantom markers during computer-assisted surgery navigation. The system uses cameras to track the position of a surgical instrument relative to a patient's anatomy, allowing surgeons to navigate the instrument in real-time. The system also includes a surveillance marker to detect any movement of the patient reference array, which could result in inaccurate navigation. The patent describes different approaches for identifying the surveillance marker, including pointing with a tool, pressing a button on a display screen, or using a user interface. The camera tracking system improves the registration of stray markers and includes operations to identify and designate different types of markers. The system can also display graphical objects to differentiate between assigned and unknown status stray markers. The patent includes various claims related to the camera tracking system's functionality and methods. [Extracted from the article]

A patent application titled "Computer Assisted Surgery Navigation Using Intra-Operative Tactile Sensing Feedback Through Machine Learning System" has been filed by inventors McLaughlin, Corbett; Sullivan, Myles; Taubenkraut, Carly; and Weiman, Mark. The application describes a surgery navigation system that utilizes machine learning and tactile sensing data to guide surgical procedures. The system can analyze characteristics such as force, torque, vibration, sound, and electrical charge transfer between surgical tools and patient anatomy to provide real-time guidance to surgeons. The invention aims to improve surgical outcomes and reduce complications by minimizing unnecessary disturbance of patient anatomy. [Extracted from the article]

A patent application titled "Methods and Systems For Performing Computer Assisted Surgery" has been published online by the US Patent and Trademark Office. The patent application, filed by inventors from various locations in the United States, describes methods and systems for computer-assisted surgery, including robot-assisted image-guided surgery. The application discusses marker devices, optical sensors, and inertial measurement units that can be used to track the position and orientation of surgical instruments and robotic arms during surgery. The assignee for this patent application is Mobius Imaging LLC. [Extracted from the article]

A patent application has been filed for a method of automatically detecting when tracking arrays move relative to the bone during computer-assisted surgery. The method involves monitoring the location of a landmark on the bone using a navigation array, determining if the location has moved beyond a threshold value, and indicating suspicious activity if it has. The method also includes analyzing the similarity of motion between a second navigation array and the landmark, computing bone motion information, and using machine learning models to analyze landmark metrics and determine the type of suspicious activity. The patent application focuses on knee surgery and the detection of array motion or leg motion. [Extracted from the article]

A patent application by MAKO Surgical Corp. has been made available online for a surgical registration tool, system, and method of use in computer-assisted surgery. The tool improves the accuracy and efficiency of orthopedic joint replacement surgery by allowing for preoperative planning and registration of virtual boundaries and constraints to the patient's anatomy. It is adjustable to accommodate bones of various sizes. MAKO Surgical Corp. is a medical device company that has developed a system utilizing machine learning and computer-assisted surgery to enhance the accuracy and precision of joint replacement procedures. This technology has the potential to revolutionize operative surgical procedures and improve patient outcomes. The article emphasizes the importance of bone research and the role of robotics in the field of health and medicine. [Extracted from the article]

A study conducted at the Tata Memorial Centre in Maharashtra, India, focused on the treatment of medulloblastoma, a type of cancer. The study aimed to de-intensify therapy to reduce treatment-related toxicities in low-risk WNT-pathway medulloblastoma patients. The researchers found that omitting upfront craniospinal irradiation (CSI) in these patients led to an unacceptably high risk of neuraxial failures. However, salvage CSI followed by chemotherapy showed excellent response, although remissions were not durable. The study concluded that further research is needed to determine the optimal treatment approach for low-risk WNT-pathway medulloblastoma patients. [Extracted from the article]

A patent application has been submitted for a system that tracks surgical tools in computer-assisted surgery. The system uses virtual models of the surgical tool and the bone to track the tool's location relative to the bone. It can calculate the location of the tool's working end even when it is concealed within the bone. The system also has the capability to display the concealed working end in mixed reality on a face shield worn by the operator. This technology aims to improve the visibility and accuracy of surgical procedures, particularly in orthopedic surgery. [Extracted from the article]

The patent application titled "Computer-Assisted Tele-Operated Surgery Systems and Methods" describes a computer-assisted system for minimally invasive tele-operated surgery. The system involves controlling robotic manipulators, cannulas, and surgical instruments in various surgical situations. It includes a manipulator assembly, a cannula, and a processor that can locate and reposition the remote center of motion for the manipulator assembly. The application provides detailed descriptions of the system's features and potential applications, highlighting its ability to provide precise control and modification of the surgical working space. [Extracted from the article]

A patent has been issued for a quick connect system for surgical navigation tools. The system aims to improve the tracking of surgical instruments during computer-assisted surgery by providing a solid and stable connection between tools and tracker devices. The system includes a male and female engagement, a latch mechanism, and complementary features on the components to ensure a planned positional alignment. This technology has potential applications in various surgical procedures, including bone alterations, implant positioning, and incisions. The patent was filed by Jeremie Gaudreau and assigned to Orthosoft Ulc. [Extracted from the article]

A patent application has been submitted by researchers from the University of Nebraska for an on-board tool tracking system and methods of computer-assisted surgery. The application describes the use of computer-assisted surgery to simplify complex surgical procedures and improve accuracy. The system involves the use of alignment jigs and other tools that are tracked and guided by a computer during the surgical procedure. The invention also includes a handheld surgical tool with a projector that provides guidance and information to the user, as well as sensors to compensate for movements and vibrations. [Extracted from the article]

This patent application presents a system for computer-assisted navigation in surgical procedures. The system utilizes a ball tip stylus with fiducials to palpate the bone surface and identify its landmarks. By determining the center of the ball and defining the acquired surface of the bone, the system can register it in a computer-assisted navigation algorithm and display it in a planning view. The application also includes claims related to outlier detection, treatment, and registration of landmarks associated with the hip, femur, and ankle. [Extracted from the article]

A recent report from Memorial Sloan-Kettering Cancer Center highlights the significant advancements in computer-assisted surgery for osseous head and neck reconstruction. Computer-aided design (CAD) software allows for precise planning of resection and reconstruction, while computer-aided manufacturing (CAM) can create models, cutting guides, and patient-specific plates. Studies have shown that these techniques are more accurate and result in decreased flap ischemia times compared to conventional techniques. However, the drawbacks include lack of intraoperative flexibility and cost. Some centers have developed in-house CAD/CAM processes using open-source software and commercially available three-dimensional printers. [Extracted from the article]

A recent study conducted at the University of Tokyo Hospital in Japan explored the use of external beam radiotherapy for the treatment of portal venous tumor thrombosis (PVTT) in patients with hepatocellular carcinoma (HCC). PVTT is a poor prognostic factor for HCC patients, with limited local effects from current systemic therapies. The study found that external beam radiotherapy, including stereotactic radiotherapy, was feasible and effective for treating PVTT in HCC patients. The median overall survival was 12.6 months, and a favorable objective response rate was achieved with stereotactic radiotherapy. No severe acute adverse events were observed. [Extracted from the article]

A patent application for a surgery assistance system has been made available online. The system aims to improve computer-assisted surgery by providing recommendations for deviations from the standard surgical flow based on real-time monitoring of the surgical procedure. The system utilizes machine learning and image processing to detect conditions requiring a deviation and outputs recommendations to the surgeon or operator. The system can be trained using video feeds of prior surgical procedures, control data, patient data, tool data, and post-operative assessment data. The patent application provides detailed information about the system's components and functionalities. [Extracted from the article]

A recent report from the State University of New York (SUNY) Buffalo discusses advances in the surgical management of craniofacial fibrous dysplasia (CFD) using computer-assisted surgery and intraoperative navigation. CFD is a rare bone disease that can cause deformity of the craniofacial skeleton. The traditional method of CFD debulking involves using preoperative imaging and anthropometric norms, but the use of computer-assisted surgery has revolutionized the management of CFD. Surgeons can now create patient-specific guides for bone removal, resulting in increased accuracy and improved cosmetic outcomes. The report describes the technique of using patient-specific ostectomy "depth guides" to maximize tissue removal while sparing critical structures. This technique can be applied to the craniofacial skeleton to assist in the surgical management of CFD. [Extracted from the article]

A patent application for a camera tracking system for computer-assisted surgery navigation has been filed by inventors Calloway, Thomas; Johnson, Norbert; Joshi, Sanjay; Kmiec, Rand; and Sawant, Tushar. The system uses tracking cameras to determine the position of a surgical instrument relative to a patient's anatomy and medical images. It also includes a neural network that processes images to predict the position of the instrument. The system aims to improve the accuracy and fidelity of instrument tracking during surgery. The patent application provides detailed descriptions of different embodiments of the camera tracking system. [Extracted from the article]

This article discusses a patent application by Intuitive Surgical Operations Inc. for computer-assisted medical systems and methods. The patent application describes robotic systems and computer-assisted devices used in surgery, including minimally invasive telesurgical systems that allow surgeons to operate on patients remotely. The systems use robotic manipulator arms to control the movement of surgical instruments, allowing for precise and intricate surgical tasks. The patent application also includes details about software-constrained remote center of motion and various features of computer-assisted surgery systems. The patent application describes a computer-assisted medical system that includes a manipulator arm and an instrument holder. The system allows for precise movement of surgical instruments during procedures. The system is designed to be compact, reducing the potential for physical interference and improving responsiveness. The patent application includes detailed claims and methods for operating the system. [Extracted from the article]

A patent has been issued for systems that perform computer-assisted surgery, including robot-assisted image-guided surgery. The patent describes various embodiments, including a marker device for an image-guided surgery system that uses light sources and optical diffusers to track the movement of a robotic arm during surgery. The marker system is designed to improve the safety and ease-of-use of computer-assisted surgical systems. The patent was filed by Mobius Imaging LLC and published online on April 9, 2024. [Extracted from the article]

A patent has been issued for computer-assisted tele-operated surgery systems and methods. The patent, assigned to Intuitive Surgical Operations Inc., describes systems and methods for assisting minimally invasive computer-assisted tele-operated surgery. The systems involve controlling the motions of robotic manipulators, cannulas, and surgical instruments in various surgical situations. The patent also discusses the concept of software-constrained remote center of motion, which allows for the safe and precise movement of surgical instruments through minimally invasive surgical access sites. [Extracted from the article]

A study published in the Journal of Computer Assisted Learning introduces a new therapy called RoboCA3T, which combines robot avatars with computer-assisted therapies to benefit children with autism spectrum disorder. The therapy focuses on improving joint attention and imitation skills in children with autism. The researchers found significant enhancements in these areas after the intervention. The study contributes to the development of cost-effective and evidence-based treatments for children with autism. [Extracted from the article]

A patent has been issued for surgical registration tools, systems, and methods of use in computer-assisted surgery. The patent, assigned to MAKO Surgical Corp., describes the need for preoperative planning in orthopedic joint replacement surgery to increase effectiveness and efficiency. The use of robotic systems can reduce intraoperative time, and the patent focuses on refining aspects of surgical registration to improve efficiency and effectiveness. The patent details a surgical registration tool with various abutment structures and a tracker array for use in surgical navigation systems. [Extracted from the article]

A recent report from the University of Tokyo Hospital discusses the use of computer-assisted surgery with markerless augmented reality for the surgical removal of mandibular odontogenic cysts. Odontogenic cysts are commonly seen in clinical practice, and surgical enucleation can be challenging when they are located near important anatomical structures. The authors describe two cases in which an augmented reality system was used to overlay preoperative surgical simulation images onto the surgical field, eliminating the need for markers. This new system has the potential to provide more accurate and efficient guidance during surgery. [Extracted from the article]

A patent application has been submitted for a computer-assisted surgery system and method for orienting a knee implant. The system aims to provide accurate tracking of surgical instruments during knee arthroplasty procedures. It utilizes inertial sensors and reference jigs to ensure proper implant positioning and alignment. The patent application outlines various embodiments of the system, including a reference jig, an assembly with a cut block, a cut guide, and a method for creating a femoral coordinate system. The system also includes a validation component to verify the orientation of the distal cut of the femur. [Extracted from the article]

A patent application has been filed for a system that tracks bones in robotized computer-assisted surgery. The system uses backscatter images obtained from a tracking device to generate a three-dimensional model of the bone's surface. This model is then used to determine the position and orientation of the bone, which is continuously outputted to a robot driver controlling a surgical tool. The system aims to improve the accuracy and efficiency of computer-assisted surgery by automating the tracking process. [Extracted from the article]

The University of Nebraska has been issued a patent for an on-board tool tracking system and methods of computer-assisted surgery. The patent addresses the challenges of surgical procedures that require alignment jigs and intricate soft tissue procedures, such as total knee replacement. The invention aims to simplify surgical procedures by utilizing computer-assisted surgery (CAS) and improving the efficiency and quality of the procedure. The patent includes details of a tactile feedback mechanism and a reference frame for use in computer-assisted surgery procedures. The on-tool tracking and guidance device described in the patent includes a housing with a surface that engages a handheld surgical tool, a projector to provide guidance information, and sensors to compensate for movements and vibrations of the tool. [Extracted from the article]

A patent has been issued for a surgery assistance system developed by Orthosoft Ulc. The system utilizes a processing unit and a non-transitory computer-readable memory to obtain and monitor video footage of surgical procedures. It employs machine learning to recognize a standard surgical flow and detect conditions requiring a deviation from that flow. The system then provides recommendations for deviation to the surgeon or operator of the procedure. This technology aims to improve surgical outcomes by adapting surgical flows to individual patients and their specific needs. [Extracted from the article]

Intuitive Surgical Operations Inc. has been issued a patent for computer-assisted medical systems and methods. The patent describes robotic systems and computer-assisted devices used in surgery, including minimally invasive telesurgical systems that allow surgeons to operate on patients remotely. The systems use robotic instruments that can be inserted through small incisions to perform intricate surgical tasks. The patent also discusses mechanisms for holding and manipulating medical instruments, as well as software-constrained remote center of motion techniques. This information is valuable for researchers interested in computer-assisted surgery and emerging healthcare technologies. [Extracted from the article]

A patent has been issued for a rollable digitizer device designed to collect multiple registration points on a bone for computer-assisted surgical systems. The device consists of a wheel with probes that make contact with the bone, and contact sensors to detect this contact. A handle allows the user to roll the probes along the bone, facilitating the collection of multiple points. This device aims to improve the registration process for computer-assisted surgeries, reducing operating times and costs. The patent was filed by Think Surgical Inc. and published online on January 30, 2024. [Extracted from the article]

Orthosoft Ulc, a company based in Montreal, Canada, has been issued a patent for a system that tracks bones in robotized computer-assisted surgery. The system uses backscatter images obtained from a tracking device to generate a three-dimensional model of the bone's surface. It then determines the position and orientation of the bone by matching it to a three-dimensional model. The system continuously outputs this information to a robot driver controlling a surgical tool, allowing for precise alterations to the bone. The patent was filed in August 2021 and published online in January 2024. [Extracted from the article]