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A patent has been issued for cutting guide systems and methods by Chain Orthopedics LLC, focusing on improving the precision and stability of cutting devices used in orthopedic surgery, such as knee replacements. The patent describes a system that allows for adjustments and stabilization of cutting instruments, including chain saws, in various fields like construction. The system aims to enhance outcomes by providing more precise cuts, lower procedure time, and better alignment, catering to the needs of surgeons and patients in orthopedic and other surgical procedures. [Extracted from the article]

A patent has been issued for a surgical saw blade and thermal management system by inventors from the Stryker Corporation. The saw blade is designed to allow cutting at a lower temperature than known blades, enhancing surgical precision and efficiency. The blade features a thermally conductive core and flanking members made of steel, providing improved thermal management during surgical procedures. The patent aims to address the need for enhanced surgical tools in orthopedic surgery. [Extracted from the article]

A patent has been issued for a rotary motion passive end effector for surgical robots in orthopedic surgeries by Globus Medical Inc. The invention aims to improve the precision and stability of bone cuts during orthopedic surgeries, particularly in knee surgeries, by utilizing a passive end effector connected to a surgical robot. The system includes a base, rotational disk, and saw attachment to constrain the movement of a surgical saw blade within a cutting plane, enhancing accuracy and reducing risks associated with traditional surgical methods. The patent details various embodiments and features of the surgical system, highlighting advancements in surgical technology and robotics for improved patient outcomes. [Extracted from the article]

Researchers Flatt, Wasserman, Welch, and Woods have submitted a patent application for a "Rotating Switch Sensor For A Robotic System" to address ergonomic challenges in surgical robotic systems. The system includes a manipulator with an end effector featuring a rotatable handle and a conductive element to sense targets. This innovation aims to improve operator ergonomics, ease of cleaning, and longevity of the sensor system and end effector. The patent application was filed by MAKO Surgical Corp. and offers advancements in surgical technology and robotics. [Extracted from the article]

A patent has been issued for a surgical cutting tool designed for keyhole surgery, allowing for the cutting of bones during minimally invasive procedures. The tool features an elongate member with a saw at the distal end, enabling insertion into the body by a distance of at least 150 mm. This innovation addresses the limitations of existing surgical tools and offers increased maneuverability and ease of use during keyhole surgeries, such as thoracoscopic procedures. [Extracted from the article]

A patent application by inventors from the US and Ireland has been filed for a surgical saw with an oscillating head and a coupling assembly for holding the saw blade. The saw is designed for orthopedic surgical procedures, particularly joint replacement surgeries, to ensure precise bone resection. The invention also includes features for rotating, indexing, and tracking the saw head and blade assembly, as well as communicating with a navigation system for enhanced surgical accuracy. [Extracted from the article]

A patent has been issued for a bone positioning guide developed by Treace Medical Concepts Inc. The guide aims to assist in realigning bones, particularly in cases where surgical intervention is necessary to improve patient comfort and quality of life. The device includes a main body with a threaded shaft and bone engagement member to facilitate bone realignment in multiple planes. The patent outlines a system for metatarsal bunion correction, including a bone preparation guide, bone positioning guide, and fixation devices for fusion. [Extracted from the article]

A patent application for a powered surgical tool with an oscillating saw blade has been filed by inventors from Switzerland. The tool is designed for use in orthopedic surgeries, such as joint replacements, and aims to provide higher accuracy and efficiency compared to manual bone saws. The tool includes a handpiece with a coupling head that has a slot and magnets to securely hold the saw blade. The coupling head can move between two positions to release or fix the blade, and the tool may provide visual, audible, or haptic feedback to indicate when the blade is properly seated. The patent application also describes various configurations and variations of the tool. [Extracted from the article]

A patent application has been submitted for a bone cutting guide system and method. The invention aims to align misaligned bones, such as those in the foot, through surgical intervention. The bone cutting guide includes a main body with a shaft that can translate relative to the main body, allowing for precise cutting of bones. The guide can also include a bridge component or a secondary guide member for additional cutting options. The patent application provides detailed descriptions and methods for using the bone cutting guide. [Extracted from the article]

A patent application has been submitted for a bone deformity treatment system, device, and related methods. The current procedures for correcting bone deformities involve multiple devices and require the use of both hands, making it challenging for surgeons to maintain precision. The new system aims to improve the procedure by reducing the number of devices involved and providing a more efficient and effective method for bone deformity correction. The patent application provides detailed descriptions and examples of the bone deformity correction device and system. [Extracted from the article]

A patent application has been submitted for a surgical resection device and its methods of operation. The device aims to improve the accuracy and repeatability of bone resection during arthroplasty procedures, such as total knee replacements. It is designed to automatically align cutting implements, cutting blocks, or implants with multiple degrees of freedom. The device includes a static housing, a resection tool, a motor, and at least two linear actuators that can control the resection tool in three degrees of freedom. The patent application also mentions the use of surgical computing devices and optical tracking devices to facilitate the resection process. [Extracted from the article]

A recent report from the Medical College of Wisconsin discusses a case involving a patient with a HeartMate 3 left ventricular assist device (LVAD). The patient experienced a disconnection of the device's bend relief, which caused a laceration of the outflow graft. This resulted in a left chest hematoma and exsanguinating hemorrhage. The patient underwent emergency surgery to repair the graft and remove the disconnected bend relief. This is the first reported case of this specific malfunction in the HeartMate 3 LVAD. [Extracted from the article]

A patent has been issued for a saw, saw blade, connection mechanism, and associated methods. The patent describes the need for a saw that can apply high torque to bones during surgical procedures to improve cutting precision and reduce procedure time. The invention includes a saw blade with a cutting edge and an attachment portion that can be securely connected to the saw. The connection mechanism prevents the blade from becoming loose during a cutting procedure. The patent was filed by inventors from Switzerland and France and assigned to Depuy. [Extracted from the article]

This document is a patent for a surgical saw used in orthopedic surgeries, specifically joint replacement procedures. The saw features a coupling assembly that securely holds a saw blade. The saw's head contains an oscillating shaft that moves the blade back and forth to cut bone. The patent also mentions the potential for the saw head to rotate and index, as well as track its position and orientation. The invention aims to provide a tool-less and user-friendly saw for precise bone resection. The patent includes detailed descriptions and diagrams of the saw's components and their functions. [Extracted from the article]

Innovations 4 Surgery LLC has been issued a patent for medical devices and related methods for transforming bone, other tissue, or material. Traditional surgical saws used in orthopedic procedures have disadvantages such as generating heat and producing uneven cuts, which can harm patients. The patent describes a cutting device and a transforming device that utilize ultrasonic technology to prevent damage to neighboring soft tissues, reduce blood loss, and produce more precise cuts. The devices incorporate irrigation systems to flush the surgical site and provide some cooling effect, but also address the limitations of previous designs. [Extracted from the article]

Depuy has been issued a patent for a system, apparatus, and method for cutting bone during an orthopaedic surgical procedure. The patent describes a computer-assisted orthopaedic surgery system that helps determine the cutting region of a bone and the position of the bone saw tool. It also includes features such as a bone saw blade guard and a cutting depth guard to reduce the risk of damage to surrounding soft tissue during the procedure. The patent provides detailed information on the method and various embodiments of the invention. [Extracted from the article]

A patent application has been filed for a new surgical sagittal blade cartridge by inventors Conor Mac An Tuile and James G. Walen. The cartridge is designed to reduce flexure and improve precision during bone cutting procedures. It includes a guide bar with three plates and two outer tines that reinforce the bar. The blade head pivots around a curved head on the inner tine. The invention aims to provide a more stable and effective tool for surgeons. [Extracted from the article]

This document describes a patent application for a new blade mounting assembly for surgical saws. The invention, filed by MAKO Surgical Corp., aims to improve upon existing clamping systems by introducing features such as a clamp guard to prevent pinching, a safety indicator on the blade clamp, and a control mechanism for proper clamping. The assembly also includes a biasing mechanism to maintain a consistent distance between the clamp guard and the driver. The document provides detailed descriptions of the various components and their functions within the assembly. [Extracted from the article]

A recent study conducted at the University of Florida in Gainesville has addressed the issue of bone loss resulting from the use of saw blades in osteotomy procedures. The researchers aimed to quantify the amount of bone loss and propose a reduction guide to minimize the fracture gap. The study found that the postoperative gap decreased as the amount of gap compensation increased. Surgeons can use this information to proactively plan and design reduction guides with applied compensation. For more information, readers can refer to the Journal of Veterinary Science. [Extracted from the article]

A patent application has been made available online for a new reciprocating saw blade system designed to minimize contact with surrounding tissue during surgical procedures. The blade can be used as a sternum blade without the need for a supplemental sternum guard. The system includes an elongated bar, a moveable rack with teeth, and an attachment that connects the blade to a surgical saw. The invention aims to improve the precision and effectiveness of surgical saws. [Extracted from the article]

A patent has been issued for a bone positioning and cutting system and method developed by Treace Medical Concepts Inc. The system includes a bone positioning device with fixation pins for attaching to bones, as well as blocks and a multi-axis joint for adjusting the position of the bones. The method involves aligning a bone cutting guide with the joint between two bones, using the guide to cut the leading edge of one bone, adjusting the alignment of the bones with the positioning device, and fixing the position with a bone connector. The system and method are designed to facilitate accurate bone cuts in surgical procedures, particularly those involving small bones in the foot or hand. [Extracted from the article]

A patent application titled "Sheathed Surgical Saw Blade with Bearings" has been published online by the US Patent and Trademark Office. The patent application, filed by inventors David Gonzalez and John K. Sieh, and assigned to CONMED Corporation, describes a sheathed blade assembly for surgical saws that aims to minimize wear and prevent contact between the moving blade and the sheath. The invention includes an exterior sheath, an interior blade, and ball bearings that create a clearance between the blade and the sheath. The inventors propose that this design could eliminate the need for separate handpieces for sheathed and non-sheathed blades, reducing costs for surgical facilities. [Extracted from the article]

A patent has been issued for a surgical saw blade developed by Crossroads Extremity Systems LLC. The blade is designed to provide high degrees of accuracy, control, and precision in surgical procedures that involve resecting bone or tissue. It features a cutting tooth with a single direction cutting side and non-cutting sides, as well as a saw connection feature and markings to indicate the cutting side. Another version of the blade is an oscillating saw blade with multiple cutting teeth and a connection feature for an oscillating surgical driver. The patent provides detailed descriptions and claims for the design and features of the blades. [Extracted from the article]

A patent has been issued for a surgical sagittal blade cartridge with a reinforced guide bar. The cartridge includes a guide bar that is designed to resist deformation when subjected to uneven resistance. The guide bar is formed with three plates - a top plate, a bottom plate, and an inner plate with a curved head that functions as the pivot boss. The cartridge aims to reduce flexure and improve precision during bone cutting procedures. The patent was filed by Stryker European Operations Holdings LLC. [Extracted from the article]

Globus Medical Inc. has been issued a patent for a surgical robot with a passive end effector. The patent describes a system that includes a base, two mechanisms, and a tool attachment mechanism. The system is designed to accurately align and stabilize a surgical saw during orthopedic surgeries, such as knee surgeries, to improve the precision of bone cuts. The system also includes a tracking system to determine the position of the anatomical structure and the saw blade, and a controller to generate steering information for the passive end effector. This patent provides a potential solution to improve the accuracy and precision of surgical procedures. [Extracted from the article]

Stryker Corporation has been granted a patent for a new surgical saw assembly that aims to improve precision and reduce tissue damage in minimally invasive surgeries. The saw includes a static guide bar and a saw blade that can pivot. Drive rods within the guide bar power the blade, reducing vibrations. Another design described in the document involves a cutting guide and a saw with a capture pin, which allows for forward movement and pivoting while maintaining contact with the guide surface. This design enhances visibility and reduces the size of the cutting guide. The document also includes claims made by the inventors, which can be further explored in the patent filed by Steve Carusillo with the US Patent and Trademark Office. [Extracted from the article]

Stryker European Operations Holdings LLC has been granted a patent for a surgical saw system that addresses the issues associated with using a reciprocating saw blade. The system aims to minimize damage to soft tissue and improve visibility of the blade. It can also be used as a sternum blade without the need for an additional sternum guard. The system includes a blade cartridge with an elongated bar and a moveable rack, as well as an attachment that connects the cartridge to the saw. The patent provides detailed descriptions of the system's components and features. [Extracted from the article]

CONMED Corporation has been issued a patent for a sheathed surgical saw blade with bearings. The invention aims to minimize wear and prevent contact between the moving blade and the sheath, which can cause heat, wear, and metal particulate generation. The patent describes a sheathed blade assembly with an exterior sheath, an interior blade, and at least one ball bearing that creates a clearance amount between the blade and the sheath. The invention also includes a single surgical saw handpiece that can drive both sheathed and non-sheathed blades. This patent provides a solution to the challenges associated with surgical saw blades and offers potential benefits for surgical facilities and patients. [Extracted from the article]

Researchers from Shandong University in Jinan, China have conducted a study on the wear mechanism and sawing performance of carbide and polycrystalline diamond (PCD) circular saw blades when machining hard aluminum alloy. The results show that PCD saw teeth have lower sawing forces, better surface quality, and longer tool life compared to carbide teeth. The wear mechanisms of the two materials are classified and characterized, with carbide teeth mainly experiencing abrasion and adhesion, while PCD teeth suffer from abrasion and micro-chipping. The study provides theoretical guidance for saw tooth design and manufacturing. [Extracted from the article]

The method of claim 19, further comprising, after adjusting the alignment of the first metatarsal portion relative to the second metatarsal portion using the bone positioning device, compressing the first metatarsal portion and the second metatarsal portion together. The method of claim 1, wherein removing the bone positioning device from the first metatarsal portion and the second metatarsal portion comprises removing the bone positioning device from the first metatarsal portion and the second metatarsal portion after attaching the bone connector. The method of claim 22, wherein the bone positioning device comprises a sliding connection, and compressing the first metatarsal portion and the second metatarsal portion together comprises compressing the first metatarsal portion and the second metatarsal portion together via the sliding connection. [Extracted from the article]

Also, even when prior clamps are spaced apart from the blade mounting assembly by an amount greater than the thickness of the saw blade, there is a potential that the saw blade can be loosely mounted before clamping because of such extra spacing. For example, prior clamping systems may provide a lever that is moveable between an open position wherein the saw blade is not clamped and closed position wherein the saw blade is fully clamped. "Prior surgical saws have contemplated using a clamp to secure the surgical saw blade to the blade mounting assembly. [Extracted from the article]

The method of claim 11, comprising the control system configuring the virtual planar boundary based on the data defining the cutting plane for the bone and the pre-determined depth of the bone to be cut by the saw tool along the cutting plane. The surgical system of claim 2, wherein the control system is configured to control the manipulator to autonomously and axially reciprocate the saw tool along a longitudinal axis of the saw tool to create the notch in the bone. The method of claim 12, comprising the control system controlling the manipulator for autonomously and axially reciprocating the saw tool along a longitudinal axis of the saw tool to create the notch in the bone. [Extracted from the article]

The control system is configured to facilitate withdrawal of the cutting guide away from the initial guide location to a spaced guide location after the user makes an initial cut in the bone with the saw blade along the desired cutting plane. The cutting guide remains in the target orientation at the spaced guide location and the spaced guide location is suitable for the saw blade to continue cutting the bone along the desired cutting plane. The robotic surgery system of claim 1, wherein the control system is configured to operate the robotic manipulator to autonomously withdraw the cutting guide away from the bone and move the cutting guide from the initial guide location to the spaced guide location. [Extracted from the article]

For more information, see this patent application: Kaeslin, Antoine R.; Lark, Robert K.; Skolnick, Edward C. Medical Cutting Devices Having A Working Blade Body With Static Components And Related Methods Of Use. With respect to an osteotomy, as the blade passes through the cross-section of bone, the freshly-cut bone surfaces remain in constant and direct contact with the rapidly vibrating shaft of the blade. Furthermore, this ultrasonic blade is not well-suited to cutting large cross-sections of bone and is used almost exclusively in spine, oral or maxillofacial surgeries, which involve cutting of small bones. [Extracted from the article]

With respect to an osteotomy, as the blade passes through the cross-section of bone, the freshly-cut bone surfaces remain in constant and direct contact with the rapidly vibrating shaft of the blade. "A variety of ultrasonic surgical devices are now utilized in a number of surgical procedures, including surgical blades that are capable of cutting biological tissues such as bone and cartilage. Furthermore, this ultrasonic blade is not well-suited to cutting large cross-sections of bone and is used almost exclusively in spine, oral or maxillofacial surgeries, which involve cutting of small bones. [Extracted from the article]

Furthermore, this ultrasonic blade is not well-suited to cutting large cross-sections of bone and is used almost exclusively in spine, oral or maxillofacial surgeries, which involve cutting of small bones. "A variety of ultrasonic surgical devices are now utilized in a number of surgical procedures, including surgical blades that are capable of cutting biological tissues such as bone and cartilage. With respect to an osteotomy, as the blade passes through the cross-section of bone, the freshly-cut bone surfaces remain in constant and direct contact with the rapidly vibrating shaft of the blade. [Extracted from the article]

The method of claim 1, wherein controlling the robotic manipulator and the cutting tool to facilitate reorienting the saw blade from the initial plane to the cutting plane further comprises the one or more controllers performing at least one of: autonomously moving the cutting tool; and constraining movement of the cutting tool. The method of claim 10, wherein: controlling the robotic manipulator and the first cutting tool to facilitate burring the notch occurs while the second cutting tool is coupled to the robotic manipulator; and controlling the robotic manipulator and the second cutting tool to facilitate cutting along the cutting plane occurs while the first cutting tool is coupled to the robotic manipulator. The method of claim 10, wherein: controlling the robotic manipulator and the first cutting tool to facilitate burring the notch occurs while the second cutting tool is uncoupled from the robotic manipulator; and controlling the robotic manipulator and the second cutting tool to facilitate cutting along the cutting plane occurs while the first cutting tool is uncoupled from the robotic manipulator. [Extracted from the article]

The surgical saw guide of claim 14, wherein the slot in the saw guide forms a continuous opening from the first guide hole to the second guide hole. The surgical saw guide of claim 14, wherein the first and second guide holes open into first and second guide channels, respectively, configured to receive first and second guide pins from the first and second guide holes. The method of claim 6, wherein attaching the saw guide to the surgical saw comprises inserting the saw blade and blade attachment assembly into the proximal opening of the saw guide prior to sliding the saw guide over the first and second guide pins. [Extracted from the article]

The system of claim 18, wherein the first thickness region ranges from 10% to 40% of the length of the saw blade body, and the second thickness region ranges from 60% to 80% of the length of the saw blade body. In some configurations, the saw blade includes three thickness regions: a proximal thickness region, a distal thickness region, and an intermediate thickness region between the proximal and distal thickness regions. The saw blade of claim 1, wherein the saw blade body comprises a cutting thickness region distal of the distal thickness region, the cutting thickness region defining a cutting thickness less than or equal to the intermediate thickness. The example specifies that the saw blade body includes a first thickness region defining a first thickness and a second thickness region defining a second thickness, and the second thickness is larger than the first thickness. [Extracted from the article]

"In various embodiments, the surgical saw blade has a stopping surface which includes a first stopping surface connecting the right side edge of the first end of the saw blade to the right side edge of the elongated shank; and a second stopping surface connecting the left side edge of the first end to the left side edge of the elongated shank. In various embodiments, the surgical saw blade may further include at least one second alignment hole on the elongated shank, in proximity to the stopping surface connecting the first end to the elongated shank of the saw blade. A third alignment hole may be positioned near the first end of the saw blade, near the second end of the saw blade, or on the shank, between the first and second ends of the saw blade. [Extracted from the article]