Abstract: A surgical system includes a detector that includes an array of pixels configured to detect light reflected by a surgical device and generate a first signal. The first signal includes a first dataset representative of a visible image of the surgical device. The surgical system also includes a processor configured to receive the first signal and a second signal representative of one or more operating parameters of the surgical device. The processor is also configured to generate a modified image of the surgical device that includes information related to one or more operating parameters.

Abstract: Systems and methods for performing robotically-assisted surgical procedures on a patient enable an image display device to provide an operator with auxiliary information related to the surgical procedure, in addition to providing an image of the surgical site itself. The systems and methods allow an operator to selectively access and reference auxiliary information on the image display device during the performance of a surgical procedure.

Abstract: Methods and devices are provided for supporting an elongate shaft on a surgical tool during robotic surgery. For example, a tool holder is provided with an elongate carrier arm configured to couple to a distal end of a surgical robotic arm. The tool holder has a housing that is removably mounted on the carrier arm and that is configured to be positioned adjacent to a tissue surface without extending into tissue. The tool holder thus simulates a trocar. The housing has an opening formed therethrough for receiving an elongate shaft of a surgical tool, and the opening has an inner diameter that is configured to dynamically adjust in size to adapt to and resist movement of elongate shafts of varying diameters inserted therethrough.

Abstract: Systems and methods are provided for coupling a robotic surgical tool with a tool driver of a robotic surgical system via a sterile barrier disposed between the tool and the driver. The tool has an elongate shaft and an end effector coupled thereto, as well as a mating interface member having a plurality of independently movable portions and a plurality of coupling features disposed about a perimeter of an outer wall of the mating interface member. The coupling features are configured to reversibly engage with a proximal end of a corresponding actuation member from a plurality of actuation members of the tool driver. The coupling features reversibly engage with the proximal ends of the actuation members so as to allow the actuation members to move in proximal and distal directions independently from one another to thereby control operation of the end effector.

Abstract: Various embodiments of tool assemblies are provided having at least one rotary input coupling and at least one linear input coupling for allowing either a rotary output or a linear output (e.g., from a tool driver on a surgical robot) to activate at least one mechanism of the tool assembly. For example, mechanisms of the tool assembly can include a clamping assembly, a firing assembly, an articulation assembly, and a roll assembly. The clamping assembly can open and close jaws of an end effector, the firing assembly can translate a knife assembly through the end effector to fire staples and cut tissue, the articulation assembly can articulate the end effector, and the roll assembly can rotate the elongate shaft and/or the end effector.

Abstract: Methods and devices are provided for attaching a trocar to a surgical arm. For example, a surgical system is provided that has a trocar with a housing and a cannula extending distally from the housing. The housing and the cannula have a tool pathway extending therethrough for receiving a tool. The system also has a trocar support that is configured to be mounted on a distal end of a surgical robotic arm. The trocar is configured to couple to the trocar support through a variety of engagements, such as engaging the trocar in a first configuration that allows free movement of the trocar relative to the trocar support and in a second configuration in which the trocar is locked in a fixed position relative to the trocar support.

Abstract: A method of verifying torque measurements of a reaction torque transducer of an instrument drive unit includes a controller receiving a verification signal, generating an acceptable range of torques, receiving a torque signal, comparing the torque signal to the acceptable range of torques, and stopping a motor if the torque applied by the motor is outside of the acceptable range of torques. The verification signal is indicative of the current drawn by the motor and the torque signal is indicative of torque applied by the motor.

Abstract: A surgical assembly includes an electromechanical instrument and an instrument drive unit. The electromechanical instrument includes a housing portion and a shaft. The instrument drive unit includes an outer shell, an inner hub, a first motor, and a second motor. The outer shell is configured to be selectively coupled to a robotic arm. The inner hub is rotatably disposed within the outer shell and configured to be non-rotatably coupled to the housing portion of the electromechanical instrument. The second motor is disposed within the outer shell and includes an outer stator fixedly coupled to the outer shell, and an inner rotor rotatably disposed within the outer stator. The inner rotor has an inner surface that defines a longitudinal channel having the inner hub non-rotatably disposed therein. Actuation of the second motor rotates the inner hub to effect rotation of the electromechanical instrument along a longitudinal axis thereof.

Abstract: Systems and methods for operating a robotic surgical system are provided. The system includes a surgical tool, a manipulator comprising a base supporting links for controlling the tool, a navigation system comprising a tracker coupled to the tool and a localizer to monitor a state of the tracker. A controller acquires raw kinematic measurement data about a state of the tool relative to the base from the manipulator, known relationship data about the state of the tracker relative to the tool, and raw navigation data about the state of the tracker relative to the localizer from the navigation system. The controller combines this data to determine a raw relationship between the base and the localizer. The raw relationship is filtered for controlling the manipulator. The raw relationship or a less filtered version of the raw relationship is utilized to determine whether an error has occurred in the system.

Abstract: Systems and methods for operating a robotic surgical system are provided. The system comprises a surgical tool for interacting with a surgical target, a manipulator comprising a plurality of links and supporting the tool, a navigation system comprising a manipulator tracker coupled to the manipulator and a patient tracker coupled to the surgical target and a localizer for monitoring states of the trackers. A controller determines commanded states for moving the tool relative to the surgical target using data (filtered according to a first filter length) from the manipulator and/or navigation system. The controller determines actual states of the tool while commanding the tool relative to the surgical target using data (filtered according to a second filter length being shorter than the first filter length) from the manipulator and/or navigation system. The controller compares the commanded and actual states and modifies tool operation based on an outcome of the comparison.

Abstract: A vascular intervention robot includes a catheter rotation unit for rotating a catheter on an axis parallel to a longitudinal direction of the catheter, a guide wire rotation and supply unit that is provided at one side of the catheter rotation unit and that is provided for transferring a guide wire in a longitudinal direction of the guide wire and for rotating the guide wire on an axis parallel to the longitudinal direction of the guide wire in a state in which the guide wire is inserted in the catheter, a transfer unit for transferring the catheter rotation unit and the guide wire rotation and supply unit in the longitudinal direction of the catheter, and an expanding and contracting unit that is provided at another side of the catheter rotation unit and that is expandable and contractible along the longitudinal direction of the catheter while supporting the catheter when the transfer unit transfers the catheter rotation unit and the guide wire rotation and supply unit in the longitudinal direction of the c

Abstract: Generally, a sterile adapter for use in robotic surgery may include a frame configured to be interposed between a tool driver and a surgical tool, a plate assembly coupled to the frame, and at least one rotatable coupler supported by the plate assembly and configured to communicate torque from an output drive of the tool driver to an input drive of the surgical tool.

Abstract: Generally, a sterile adapter for use in robotic surgery may include a frame configured to be interposed between a tool driver and a surgical tool, a plate assembly coupled to the frame, and at least one rotatable coupler supported by the plate assembly and configured to communicate torque from an output drive of the tool driver to an input drive of the surgical tool.

Abstract: Robotic surgical systems are provided for control of an end effector in response to actuation of a user interface device based upon different control states. In each control state, selected movement directions of the user interface device are either coupled to or decoupled from corresponding movements directions of the end effector. Decoupled movement directions can be recoupled by positioning the user interface device within a range of where the user interface device and the end effector were decoupled. To assist with such recoupling, a graphical image estimating a position of the end effector that would be achieved, based upon a current position of the user interface device, if the decoupled movement direction was recoupled can be overlaid upon a current position of the end effector.

Abstract: A surgical system includes a plurality of voice sensors located in a surgical environment and configured to detect sound and generate a first plurality of signals. The surgical system also includes a position indicator, in proximity to a designated user, configured to indicate a first position of the designated user and generate a second signal representative of the first position. The surgical system further includes a processor configured to receive the first plurality of signals and the second signal and determine, based on the first plurality of signals, a second position. The processor is also configured to compare the detected sound with registered voice command of the designated user stored in a memory to verify the designated user's credentials, and send a command signal to a surgical instrument to carry out an operation related to the voice command based on at least one of the verification of the designated user's credentials, the first position and the second position.

Abstract: A surgical instrument is configured to be installed for use on a teleoperated surgical system. A surgeon or other medical person controls the surgical instrument by manipulating one or more control inputs. Computer-assisted teleoperated actuators of the teleoperated surgical system move one or more surgical instrument mechanical degrees of freedom in response to movements of the one or more control inputs. A teleoperated surgical system is provided to enable a surgeon or medical person to manually control one or more surgical instrument mechanical degrees of freedom, while the surgical instrument is installed for use is installed on the teleoperated surgical system.

Abstract: The present invention provides an apparatus, system and method for providing robotically assisted surgery that involves the removal of bone or non-fibrous type tissues during a surgical procedure. The system utilizes a multi-axis robot having a reciprocating tool that is constructed and arranged to remove hard or non-fibrous tissues while leaving soft tissues unharmed. The multi-axis robot may be controlled via computer or telemanipulator, which allows the surgeon to complete a surgery from an area adjacent to the patient to thousands of miles away.

Abstract: A hand grip apparatus for receiving operator input includes a body having a proximal end and a distal interface end for coupling to an input apparatus. A first control lever is attached to the body and extends away from the proximal end and terminates in a finger grip for receiving one of the operator's fingers. A second control lever is attached to the body and extends away from the proximal end terminating in a thumb grip for receiving the operator's thumb. Movement of at least one of the control levers is operable to produce a first control signal representing the movement. An input control is included on the body between the grip ends and has an actuator surface angled towards the finger grip end and configured to produce a second control signal in response to actuation by one of the operator's fingers.

Abstract: User interface devices are disclosed. The device can include a body that can be held in a user's hand. The body has an outer surface that can be gripped by fingers of the user's hand to facilitate translation and rotation of the body by the user's hand. The device can include one or snore sensors disposed within the body. In some embodiments, the one or more sensor can provide one or both of position and orientation information of the body to a control system. The body can provide feedback to the user via the exterior surface of the body that is gripped by the user's fingers and/or can receive control inputs from the user via one or more of translation of the body, rotation of the body, pressing of the outer surface with the user's fingers, and changing of the angular orientation of the longitudinal axis of the body. Methods of using a user interface device are also provided.

Abstract: Systems and methods are provided for coupling a robotic surgical tool with a tool driver of a robotic surgical system via a sterile barrier disposed between the tool and the tool driver. The sterile barrier can have a housing configured to accommodate proximal portions of a plurality of actuation members of the tool driver when the sterile barrier is coupled to the tool driver. The housing can have at least partially disposed within it substantially cylindrical, longitudinally expandable bellows, each being configured to encompass and mate with a proximal portion of a corresponding one of the plurality of actuation members. In some cases, the sterile barrier can have a plurality of sterile barrier couplers each having a first portion configured to engage with an actuation member of a tool driver, and a second portion configured to engage with a tool actuation member of a surgical tool.

Abstract: Generally, a system for use in a robotic surgical system may be used to determine an attachment state between a tool driver, sterile adapter, and surgical tool of the system. The system may include sensors used to generate attachment data corresponding to the attachment state. The attachment state may be used to control operation of the tool driver and surgical tool. In some variations, one or more of the attachment states may be visually output to an operator using one or more of the tool driver, sterile adapter, and surgical tool. In some variations, the tool driver and surgical tool may include electronic communication devices configured to be in close proximity when the surgical tool is attached to the sterile adapter and tool driver.

Abstract: Generally, a system for use in a robotic surgical system may be used to determine an attachment state between a tool driver, sterile adapter, and surgical tool of the system. The system may include sensors used to generate attachment data corresponding to the attachment state. The attachment state may be used to control operation of the tool driver and surgical tool. In some variations, one or more of the attachment states may be visually output to an operator using one or more of the tool driver, sterile adapter, and surgical tool. In some variations, the tool driver and surgical tool may include electronic communication devices configured to be in close proximity when the surgical tool is attached to the sterile adapter and tool driver.

Abstract: Generally, a system for use in a robotic surgical system may be used to determine an attachment state between a tool driver, sterile adapter, and surgical tool of the system. The system may include sensors used to generate attachment data corresponding to the attachment state. The attachment state may be used to control operation of the tool driver and surgical tool. In some variations, one or more of the attachment states may be visually output to an operator using one or more of the tool driver, sterile adapter, and surgical tool. In some variations, the tool driver and surgical tool may include electronic communication devices configured to be in close proximity when the surgical tool is attached to the sterile adapter and tool driver.

Abstract: The present technology is directed to a surgical drape which decreases the likelihood of infection by protecting the surgical site both during and after the operation. Further, the present technology can be used in conjunction with a fluid-collection system for surgical procedures which result in a large volume of fluid to be collected from the surgical site.

Abstract: A surgical instrumentation assembly including: a storage tube having a service opening, a sealing member for closing off the service opening, a plurality of surgical instruments for temporary use, and a holder comprising a plurality of attachment elements configured to detachably attach the surgical instruments to the holder. The storage tube contains the holder and the sterile surgical instruments when the sealing member closes off the service opening.

Abstract: A noninvasive stereotactic assembly for guiding an instrument to a target within a patient's head includes a head frame subassembly and an instrument positioning subassembly. The head frame subassembly is secured to a skull in the patient's head to determine an X-axis and a Y-axis of a three-dimensional coordinate system. According to the coordinate of the target in the three-dimensional coordinate system, ring members, a movable bracket, a swivel member, and an instrument holder of the instrument positioning subassembly are displaced by predetermined angles to guide the instrument toward the target.

Abstract: A surgical electronic microscope device (10) includes a microscope unit (110) and a support unit (120) that supports the microscope unit (110). The microscope unit (110) images an operative site of a patient (330) on an operating table (340), and outputs an image signal. The support unit (120) includes a prop unit (290c). The prop unit (290c) supports a second arm (290b) rotatably around an axis (05). The second arm (290b) supports a first arm (290a) rotatably around an axis (04). The first arm (290a) supports the microscope unit (110). Pivoting the second arm (290b) on the axis (05) while keeping the first arm (290a) substantially level makes it possible to change a height of the microscope unit (110). A length (V) of the second arm (290b) is greater than a length (H) of the first arm (290a). Accordingly, a movable range of the microscope unit (110) in a vertical direction is wide.

Abstract: A surgical probe system comprising a surgical probe having a probe needle, a first optical fiber incorporated onto the probe needle, wherein a distal end of the first optical fiber projects a first beam of illumination light over a tip of the probe needle when activated; a second optical fiber incorporated onto the probe needle, wherein a distal end of the second optical fiber projects a second beam of illumination light over the tip of the probe needle when activated; and a third optical fiber incorporated onto the probe needle, wherein a distal end of the third optical fiber projects a third beam of light over the tip of the probe needle to perform a distance measurement between the probe needle and a patient's when activated, wherein the distance measurement is displayed or audibly presented to aid a user in probe positional awareness with respect to the patient's retina.

Abstract: A surgical imaging system is described. The system includes first and second optical assemblies. Each optical assembly defines a respective optical axis, and each includes a respective set of one or more optics for adjusting field-of-view (FOV) and focus and a respective camera for capturing an image. The system includes a controller for controlling the optical assemblies and for switching the surgical imaging system between a coupled configuration and an uncoupled configuration. In the coupled configuration, the first optical assemblies are controlled to adjust the respective sets of optics and/or the respective optical axes in dependence on each other. In the uncoupled configuration, the optical assemblies are controlled to adjust the respective sets of optics, and the respective optical axes independently of each other.

Abstract: A device and method for marking the location of a tissue biopsy. The device includes a needle with a proximal end, a distal end, a slot disposed adjacent the distal end, and a tip having an opening. The device further includes a handle coupled to the proximal end of the needle, and a cutting apparatus. The cutting apparatus includes a cutting mechanism disposed within the needle and adapted to remove tissue from a target area. The device further includes an ejector mechanism having an ejector rod disposed within the needle and an actuator disposed on the handle and operatively coupled to the ejector rod. The actuator is actuated to eject a marker disposed within the distal end of the needle through one or more of the slot or the opening to mark the location of the tissue biopsy.

Abstract: A spinal implant device identifiable after implantation comprises an outer cage member and an implant body. The implant body is disposed between a first vertebra end and a second vertebra end of the outer cage and defines a plurality of planes. Each of the planes comprises separately readable indicia such that the indicia are discernible by at least one of x-ray, fluoroscopy, computed tomography, electromagnetic radiation, ultrasound, or magnetic resonance imaging.

Abstract: A multi-diameter drill bit for implant bed preparation is provided. The drill bit has a drill shank that can be coupled with a driving tool to transfer drilling torques and forces to a drill body distal to the drill shank and a drill tip distal to the drill body. The drill body is divided into a first cylindrical portion having a first diameter and a second cylindrical portion having a second diameter. The drill tip is connected to the first cylindrical portion of the drill body and defines multiple first land areas and multiple cutting lips each at least partially bordering a respective first land areas. The second diameter is greater than the first diameter to define a plurality of faces of second lands at the interface between the first cylindrical portion and the second cylindrical portion, for reducing friction between the drill bit and surrounding bone tissue.

Abstract: A protection device for use in oral surgery. The device comprises; a body having a first part which locates outside a patient's mouth and a second part which, during use, locates inside the mouth. The body is arranged such that at least a part of the body is resiliency deformable to enable manual shaping to accommodate an anatomical shape of at least part of a patient's mouth, thereby providing a physical barrier between surgical instrumentation and a patient's soft tissue.

Abstract: Methods of inducing tooth movement and treating malocclusion include reducing orthodontic treatment duration by daily applying cyclic forces simultaneously to teeth of the maxillary and mandibular arches during a treatment period. The teeth are also receiving static forces generated by an orthodontic appliance during the treatment period. The cyclic forces applied daily by clamping the teeth down on a bite plate, and activating an extraoral vibration source configured to deliver the cyclic forces to the bite plate at a constant frequency and a maximum force. Data indicating usage duration and usage frequency is stored electronically.

Abstract: Systems and methods for improved orthodontic treatment of a patient's teeth are provided herein. A method for treating malocclusions of a patient's teeth is disclosed. The method may include receiving an initial position of a patient's teeth and a target position of the patient's teeth. The method may also include determining a treatment plan to reposition the patient's teeth towards the target position. The method may also include receiving treatment strategies for the patient's teeth based at least in part of the treatment plan and matching the initial position of the patient's teeth, the target position of a patient's teeth, and the treatment strategies for the patient's teeth with initial positions, target positions, and treatment strategies of a plurality of existing cases. The method may also include sending the matched cases to a dental practitioner including matched educational assets.

Abstract: Systems, methods, and devices for improved orthodontic treatment of a patient's teeth are provided herein. In some aspects, a method for fabricating an orthodontic appliance for treating a patient's teeth is disclosed. The method may comprise determining a movement path to move a tooth from an initial arrangement towards a target arrangement; determining a force system to move the tooth along the movement path; determining a variable gable bend to produce the force system; determining a geometry for a tooth receiving cavity of the appliance based on the variable gable bend; and generating instructions for fabricating the appliance having a tooth receiving cavity formed according to the geometry for the tooth receiving cavity.

Abstract: An orthodontic bracket apparatus and method for treating a malocclusion includes a bracket base having an angulated posterior facing surface and which is matingly and releasably positioned adjacent to an anterior facing surface of a patient's tooth; a multiplicity of bracket bodies releasably and adjustably engageable with the bracket base; and an arch wire simultaneously engageable within an arch wire slot defined in each of the bracket bodies to exert first, second and third order movements to the maloccluded tooth; and wherein the bracket base remains affixed to the patient's tooth throughout the multiple step orthodontic treatment regimen selected by the treating clinician.

Abstract: Disclosed are a dental barrier membrane for guided bone regeneration using a silk matrix and a method of manufacturing the same, wherein the dental barrier membrane is configured such that a silk matrix having a cross-section with a first thickness, produced from silkworms, is subjected to planar division into two or more silk matrix pieces having a predetermined shape with the first thickness. This dental barrier membrane is biocompatible, has superior tensile strength and porosity, and promotes the formation of new bone in bone defects, unlike existing dental barrier membranes.

Abstract: This invention is a new single piece dental prosthetic, a root section connected to the decorative crown section, becoming one part, with a bifurcated root for better anchoring and cleaning action, characterized by: Its simplicity makes it less expensive, and affordable by persons of limited means. Simpler, easier implementation than previous systems. This reliable system provides a new type of anchoring. The present invention is a reliable system with several fastening systems. It is also new way to make an implant less costly, and therefore more affordable by poor persons of low income status. This is done by simplifying the above mentioned procedures, and using new method's such as bifurcation and circular ridge fastening.

Abstract: A system comprises a scanner, an augmented reality (AR) display and a computing device. The scanner generates intraoral images of a dental arch and the AR display generates additional image data representative of a view from a wearer of the AR display. The computing device receives the intraoral images from the intraoral scanner, generates a virtual three-dimensional model of at least a portion of the dental arch from the intraoral images, receives the additional image data from the AR display, determines, from the additional image data, a region of the view that is outside of the dental arch, generates a visual overlay comprising the virtual three-dimensional model, and sends the visual overlay to the AR display. The AR display displays the visual overlay such that the virtual three-dimensional model is shown in the region of the view that is outside of the dental arch.

Abstract: A system comprises a scanner, an augmented reality (AR) display and a computing device. The scanner generates intraoral images of a dental arch and the AR display generates additional image data representative of a view from a wearer of the AR display. The computing device receives the intraoral images from the intraoral scanner, generates a virtual three-dimensional model of at least a portion of the dental arch from the intraoral images, receives the additional image data from the AR display, determines, from the additional image data, a region of the view that is outside of the dental arch, generates a visual overlay comprising the virtual three-dimensional model, and sends the visual overlay to the AR display. The AR display displays the visual overlay such that the virtual three-dimensional model is shown in the region of the view that is outside of the dental arch.

Abstract: Digital design and/or fabrication of a dental prosthesis that includes a gingiva part having retention pockets and corresponding injection channels that extend from the retention pockets to an exterior of the gingiva part. The positioning of a matrix mated to a ball attachment of a dental implant is fixed in the retention pocket by injection of a curable adhesive through the injection channels and into the retention pockets. The location of the retention pockets and the injection channels may be automatically generated by a computer-aided design/computer-assisted manufacturing (CAD/CAM) system. The gingiva part including the retention pockets and injection channels can further be designed and fabricated by the CAD/CAM system.

Abstract: Provided is an interdental cleaning tool which has a simple configuration and can effectively prevent an occurrence of breakage of a core base portion when inserting the interdental cleaning tool into an interdental space or during interdental cleaning without reducing the productivity of the interdental cleaning tool, and provided is a method for manufacturing the interdental cleaning tool. A plurality of cleaning portion recesses (14) which penetrate a cleaning soft portion (21) and form recesses (14a) in a core base portion (12) are formed on each of a first side portion and a second side portion of a cleaning portion (2) at an interval in an axial direction of a cleaning soft portion (21), and at least one of the plurality of cleaning portion recesses (14) is formed so that an opening of the core base portion recess formed in the core base portion has a shape elongated in the axial direction of the cleaning portion.

Abstract: The present disclosure includes embodiments directed to an oral irrigator with a magnetic attachment. The oral irrigator may include a base unit and a handle. The base unit may include a first positioning feature. The handle may include a second positioning feature corresponding with the first positioning feature of the base unit to removably couple the handle to the base unit at any one of a plurality of desired positions, such as at any one of a plurality of vertically adjacent positions, relative to the base unit. Each of the first and second positioning features may be a magnet device to magnetically couple the handle to the base unit The magnetic attachment between the handle and the base unit may automatically align the handle into a correct storage position.

Abstract: An oral irrigator handle through which fluid flows to a tip is described. Fluid flows from a fluidically connected hose to the tip during irrigate mode, and fluid flow may be interrupted by selecting a pause mode. The handle includes a mechanically controlled actuator for selecting the pause mode. The actuator may be operably connected to a shuttle valve that is positioned to block fluid flow to the tip during pause mode but not during irrigate mode. The handle may also include a swivel assembly. The swivel assembly prevents rotational movement of either the handle or the hose from being transmitted to the other, such that rotation of the handle will not affect the position of the hose.

Abstract: A brush head apparatus of a multifunctional oral care tool comprises a pair of transmission rods (5) respectively connected with a pair of brush heads (1). The pair of brush heads (1) are integrally formed by using a food-grade silica gel type of soft material respectively. The pair of brush heads (1) respectively performs a 360-degree rotation in opposite directions. A back of the pair of brush heads (1) is provided with a back-flushing plate (4). An end portion of the transmission rods (5) is lower than an end portion of the brush heads (1). A top portion of the back-flushing plate (4) is lower than a top portion of the brush heads (1).

Abstract: In this invention, a high-accuracy jaw motion tracking system and method using the same are disclosed. The jaw motion tracking system of the invention mainly comprises an eyewear facebow static positioning device, a lower jaw dynamic tracking device and a stereo-vision charge-coupled device (CCD) and can provide information regarding the locations and relative movement of lower and upper jaws. The eyewear facebow static positioning device has several passive and active reflective markers. The lower jaw dynamic tracking device equips with a plural of lightweight light emitting devices. Using OpenCV-based self-developed algorithm and post-iterative compensator, the disclosed system can record the dynamical jaw movement with a high accuracy. The disclosed jaw motion tracking system and related method have minimal occlusal disturbance and provide smooth motion-tracking performance. The disclosed system can be used in clinical dentistry.

Abstract: The present disclosure provides methods, devices, and systems that utilize dental appliance etch templates prior to or during dental treatment. One dental appliance etch template includes a removable shell having one or more cavities formed therein, where the one or more cavities are shaped to receive teeth of a patient, and the shell includes a well, the well including a wafer, where the wafer includes etch material to etch a tooth of the patient.

Abstract: A needleless injector which can selectively induce the immune response and a method for introducing DNA including a region coding for an antigen to selectively produce an antibody in a living body of a mammal by using the needleless injector are provided. Disclosed is a needleless injector for injecting a DNA solution into an injection target area without using any injection needle. The needleless injector includes an accommodating unit which accommodates the DNA solution, a predetermined ignition device and a predetermined nozzle unit. A temperature of the predetermined combustion product, which is provided during the pressurization, changes to a neighborhood of ordinary temperature within 20 msec after a pressure, which is applied to the DNA solution on account of the combustion of the igniter powder, reaches an initial peak discharge force during a pressurization process for discharging the DNA solution.

Abstract: A surgical device for assisting in the placement of a prosthetic implant within a surgical pocket of a patient such that placement minimizes tissue stress along and inside the surgical pocket. The surgical device comprises a bag shaped as a conical frustum in which a proximal end of the conical frustum is sealed and a distal end of the conical frustum is open, with an elongated slit extending from the distal end towards the proximal end. An opening formed by the distal opening and the elongated slit is sufficiently large enough to accept the prosthetic implant into the bag. According to one embodiment, an adhesive is affixed along a portion of the elongated slit to seal the elongated slit such that the distal end remains open, thereby allowing for egress of the implant from the bag and placement into the surgical pocket.