Abstract: A dispensing system includes a device having a body extending along a longitudinal axis between opposite proximal and distal ends. The body includes a proximal chamber, a distal chamber and a wall between the chambers. The body includes a first port in communication with the proximal chamber and a second port in communication with the distal chamber. A shaft is movably positioned within the body. The shaft extending through the wall and comprising a proximal plunger positioned within the proximal chamber and a distal plunger positioned within the distal chamber. Wherein pressure introduced through an opening in the proximal end moves the shaft such that the proximal plunger moves a material within the proximal chamber out of the first port and the distal plunger moves a material within the distal chamber out of the second port. Kits and methods of use are disclosed.

Abstract: A needle guidance assembly for constraining and guiding an interventional needle is provided. The needle guidance assembly includes a needle guide having opposing lever arms. Jaws of the opposing lever arms form a guide bore configured to receive an interventional needle and orient the needle with respect to, for example, an imaging probe. Constraining the needle within the imaging field of the probe allows for real-time monitoring during insertion of the interventional needle into patient tissue. In addition, the needle guidance assembly is angularly positionable relative to the image field to allow advancement of the needle to a target site within the imaging field.

Abstract: Devices and methods for controlling ablation therapy are provided herein. In one embodiment, an ablation device is provided that includes an elongate body having proximal and distal ends, and an inner lumen extending therethrough. The inner lumen can be configured to receive fluid therein and to deliver fluid to the distal end of the elongate body. The device can also include an ablation element positioned at a distal end of the elongate body that is configured to heat surrounding tissue, and a heater element disposed within the inner lumen adjacent to a distal end of thereof, the heater element being configured to heat fluid flowing through the inner lumen.

Abstract: A device for human medical or veterinary treatment comprising a gas discharge generator designed to generate reactive gases that can be used in plasma therapy in a gas discharge zone, a flow generator designed to generate a flow of gas from the gas discharge zone through a reaction chamber in the direction of an outlet opening of the reaction chamber, and an application device coupled to the outlet opening for discharging the reactive gases from the reaction chamber to the application location, the flow generator and/or the reaction chamber being designed to generate a turbulent flow in the reaction chamber and/or the gas discharge zone.

Abstract: A treatment system comprises a power supply device and a treatment tool configured to communicate electrically with the power supply device so as to perform an operation on a treatment target. The treatment tool includes a sheath and an end effector configured to detachably attach to the sheath and being capable of bending with respect to the sheath. The end effector includes an electric element used to apply a treatment energy to the treatment target using an electric energy. The power supply device includes a processor. The processor sets to increase an output of the electric energy to be supplied to the electric element at in a second state. The sheath and the end effector are bent at a predetermined angle with respect to one another, compared with a first state where the sheath and the end effector are disposed straight in line with one another.

Abstract: Disclosed are systems, devices, and methods for operating an electrosurgical generator, comprising an RF output stage configured to output an electrosurgical waveform through at least one pair of electrodes, sensing circuitry configured to measure an impedance between the at least one pair of electrodes configured to grasp tissue, and a controller configured to determine whether the impedance of the tissue disposed between the at least one pair of electrodes exceeds an impedance threshold, determine whether a change in the impedance is greater than an upper change in impedance threshold, and output an alarm indicative of the at least one pair of electrodes being at least partially open based on at least one of the impedance exceeding the impedance threshold or the change in impedance exceeding the change in impedance threshold.

Abstract: An ultrapolar electrosurgery blade assembly with argon beam capability and an ultrapolar electrosurgery pencil with argon beam capability that are both capable of using monopolar energy in a bipolar mode for cutting and coagulation and using ionized gas for cutting and coagulation.

Abstract: A tool for treating hematoma in the brain, and other tissue in the body, especially suited for use through a cannula. The tool may include a cautery probe for sealing blood vessels in the brain, and a macerating structure for disrupting a hematoma, and aspiration features for removing macerated hematoma debris from the body.

Abstract: An electrosurgical forceps includes first and second shaft members and first and second jaw members extending distally from the respective first and second shaft members. A pivot couples the first and second shaft members with one another such that the first and second shaft members are movable relative to one another between a spaced-apart position and an approximated position to move the first and second jaw members relative to one another between an open position and a closed position. The jaw members are configured to facilitate tissue treatment, tissue division, and blunt tissue dissection.

Abstract: An electrosurgical forceps includes first and second shaft members and first and second jaw members extending distally from the respective first and second shaft members. A pivot couples the first and second shaft members with one another such that the first and second shaft members are movable relative to one another between a spaced-apart position and an approximated position to move the first and second jaw members relative to one another between an open position and a closed position. The jaw members are configured to facilitate tissue treatment, tissue division, and blunt tissue dissection.

Abstract: A method of assembling an end effector for a surgical instrument includes: assembling first and second jaw members within a clevis disposed at a distal end of an outer drive shaft of a surgical instrument; inserting an end of a pivot pin including a stop on the opposite end thereof through a hole defined in a first outer wall of the clevis, through pivot bores defined within the first and second jaw members, and through a hole defined in a second outer wall of the clevis to expose a portion of the end of the pivot pin relative to the clevis; and melting the exposed portion of the end of the pivot pin to form a second stop and secure the first and second jaw members within the clevis.

Abstract: An instrument for coagulation and dissection of biological tissue including a tool with coagulation electrodes and at least one cutting electrode. The electrodes are actuated via an operating circuit including an evaluation circuit, to which an external apparatus delivers an evaluation signal with first and second half-waves having opposite polarities. During at least one first half-wave, the evaluation circuit checks whether a first switch or a second switch are actuated on the instrument. Depending on the evaluation result, a triggering signal is transmitted to a switching unit. Depending on the triggering signal, the switching unit is switched into a first or second switching state. In the second switching state, no voltage suitable for dissection and no current suitable for dissection, respectively, is applied to the cutting electrode. In the first switching state, a voltage suitable for dissection or a current suitable for dissection is applied to the cutting electrode.

Abstract: The disclosure provides a method of manufacturing a flexible circuit electrode assembly and an apparatus manufactured by said method. According to the method, an electrically conductive sheet is laminated to an electrically insulative sheet. An electrode is formed on the electrically conductive sheet. An electrically insulative layer is formed on a tissue contacting surface of the electrode. The individual electrodes are separated from the laminated electrically insulative sheet and the electrically conductive sheet. In another method, a flexible circuit is vacuum formed to create a desired profile. The vacuum formed flexible circuit is trimmed. The trimmed vacuum formed flexible circuit is attached to a jaw member of a clamp jaw assembly.

Abstract: A system for controlling operation of a radiofrequency treatment device to apply radiofrequency energy to tissue to heat tissue to create lesions without ablating the tissue. The system includes a first treatment device having at least one electrode for applying radiofrequency energy to tissue, a controller including a connector to which a first treatment device is coupled for use, and a generator for applying radiofrequency energy to the electrodes. The controller controls application of energy so that the tissue is thermally treated to create lesions but preventing thermal treatment beyond a threshold which would ablate the tissue.

Abstract: A catheter device provides a balloon structure and a side-firing laser lumen within the balloon to create lesions in the pulmonary vein (PV) in the treatment of atrial fibrillation. Mounted on the balloon so as to contact the PV when the balloon is inflated are one or more electrodes which may be used in a measurement mode, a treatment mode, or both.

Abstract: Disclosed are compositions, devices, systems, kits, and methods for neural ablation.

Abstract: Apparatus, having an insertion tube that is configured to be inserted into a body cavity. The apparatus also includes a distal tip connected to the insertion tube, the distal tip having an external surface and a cavity formed in the external surface, the cavity being surrounded by a region of the external surface having a curvature. The apparatus further includes a microelectrode configured to fit into the cavity so that a surface of the microelectrode is contoured, located and oriented to conform with the curvature of the region.

Abstract: A microwave antenna has a radiating portion connected by a feedline to a power generating source, e.g., a generator. Proximal and distal radiating portions of the antenna assembly are separated by a junction member. A reinforcing member is disposed within the junction member to increase structural rigidity.

Abstract: A system and method for laser skin resurfacing is provided. The system comprises a topical numbing composition, cryogenically cooled air, a fractional laser, and one or more topical compositions. The topical numbing composition and the cryogenically cooled air are operative to reduce patient pain and discomfort. The cryogenically cooled air is further operative to protect the patient's skin from thermal damage. The fractional laser is operative to ablate the patient's skin cells. The method comprises the steps of applying a topical numbing composition to an area of a patient's skin comprising the treatment area; directing cryogenically cooled air and a fractional laser to the treatment area; and applying one or more topical compositions to the treatment area.

Abstract: A memory device stores instructions, which, when executed by a controller, cause the controller to perform tasks. The tasks include obtaining a three-dimensional (3D) model of a patient's pelvis, identifying two landmarks of the 3D model of the patient's pelvis, defining a coronal radiographic plane of the patient, and determining a mediolateral axis of the 3D axis based on the two landmarks. The tasks also include planning the surgical placement of the acetabular cup into the acetabulum by positioning a virtual model of the acetabular cup relative to the 3D model and determining a planned version and a planned inclination based on the virtual model of the acetabular cup, the mediolateral axis and the coronal radiographic plane.

Abstract: A method of pre-operatively developing a reverse shoulder arthroplasty plan can include receiving an image of a patient shoulder comprising a humerus and a glenoid. The image can be segmented to develop a 3D shoulder model. Virtual surgery can be performed on the 3D shoulder model to generate a modified shoulder model. The virtual surgery can include resecting and reaming a virtual humerus of the 3D shoulder model, and reaming a virtual glenoid of the 3D shoulder model. Selection of a humeral implant and selection of a glenoid implant can be received. A virtual representation of the humeral implant can be implanted on the virtual humerus and a virtual representation of the glenoid implant on the virtual glenoid to virtually update the modified shoulder model. A range of motion of the patient shoulder can be determined and a reverse shoulder arthroplasty can be finalized based on the range of motion.

Abstract: An improved low cost, preferably disposable instrument guide adapted to carry an access instrument used in accessing a compromised portion of a bone structure has a single piece guide body. The guide body has a first referencing arm and second referencing arm. The first referencing arm has a first end portion, wherein the first end portion of the first referencing arm has a reference structure integral therewith and wherein the reference structure defines a virtual axis. The second referencing arm is integral to the first reference arm and has at least one guide opening with a guide axis extending to intersect the virtual axis. The at least one guide opening is located at a fixed angle on the second referencing arm.

Abstract: Medical software tools platform utilizes a surgical display to provide access to specific medical software tools, such as medically-oriented applications or widgets, that can assist those in the operating room, such as a surgeon or surgical team, with a surgery. In particular, an optical sensor located within an endoscopic camera may register the momentary change in the optical characteristics reflected from a tissue surface and in turn transmit the information to a medical image processing system which can also receive patient heart rate data and display relevant anomalies. Changes in various spectral components and the speed at which they change in relation to a source of stimulus (heartbeat, etc.) may indicate the arrival of blood, contrast agents or oxygen absorption. Combinations of these may indicate various states of differing disease or margins of tumors, and so forth. Also, changes in temperatures and the speed of change may indicate subsurface anomalies.

Abstract: A robotically-assisted surgical device assists robotic surgery with a surgical robot including a robot arm, and includes a processing unit and a display unit. The processing unit acquires 3D data of a subject; acquires kinematic information of the robot arm; acquires information of a surgical procedure for operating; acquires position planning information for a plurality of ports to be pierced on a body surface of the subject; acquires measurement information obtained by measuring a position of a first port pierced on the body surface among the plurality of ports; determines a position of at least one of remaining ports other than the first port, based on the measurement information of the position of the first port, the information of the surgical procedure, the kinematic information, and the 3D data; and causes the display unit to display information indicating the determined position of the remaining port.

Abstract: A robotically-assisted surgical device that assists minimally invasive robotic surgery with a surgical robot is configured to acquire volume data of a non-pneumoperitoneum state of a subject, perform a pneumoperitoneum simulation on the volume data of the non-pneumoperitoneum state to generate deformation information including movement of at least one point in the volume data of the non-pneumoperitoneum state caused by pneumoperitoneum, generate 3D data of a first virtual pneumoperitoneum state based on the volume data of the non-pneumoperitoneum state and the deformation information, derive a first planned position in the 3D data of the first virtual pneumoperitoneum state, derive a second planned position in the volume data of the non-pneumoperitoneum state based on the first planned position in the first virtual pneumoperitoneum state and the deformation information, and visualize the volume data of the non-pneumoperitoneum state with an annotation of information indicating the second planned position.

Abstract: A robotically-assisted surgical device assists robotic surgery with a surgical robot that includes at least one robot arm holding a surgical instrument. The robotically-assisted surgical device includes a processing unit and a display unit. The processing unit is configured to: acquire 3D data of a subject; acquire kinematic information regard to the robot arm; acquire information of an surgical procedure for operating the subject; acquire information regarding a position of at least one port which is to be pierced on a body surface of the subject; derive a 2D range on the body surface where errors are allowed for the piercing of the port based on the 3D data, the kinematic information, the information of the surgical procedure, and the position of the port; and cause the display unit to display the information regarding the position of the port and information indicating the 2D range.

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 remote control apparatus according to an embodiment may be a master operation input device for operating a slave manipulator which detachably holds a surgical instrument. The master operation input device may include a support mechanism, an arm portion including a plurality of joints and supported by the support mechanism and an operating handle arranged at a distal end of the arm portion. The operating handle includes a master operation main body arranged at the distal end of the arm portion, a first operating portion and a second operating portion which are supported on the master operation main body so as to be capable of pivoting with respect to the master operation main body to enable opening and closing operations, and a grip configured to be attachable and detachable to and from a distal end of the master operation main body.

Abstract: In some embodiments, an insertion device for a robotic surgery apparatus can include a first portion with a plurality of instrument channels configured to removably house a plurality of surgical instruments and first and second camera channels positioned in an interior of the first portion and extending along substantially the entire length of the first portion. The first camera channel can removably house a primary camera tube, and the second camera channel can include a secondary camera. The device can include a second portion with an insertion channel terminating at a first end with a first opening permitting the primary camera tube to pass through and terminating at a second end opposite the first end with a second opening aligned with the first camera channel of the first portion. The insertion channel can permit the primary camera tube to pass through the insertion channel and enter the first camera channel.

Abstract: A method and system for hand tracking in a robotic system includes a hand tracking system and a controller coupled to the hand tracking system. The controller is configured to receive, from the hand tracking system, a plurality of locations of a hand; determine if the hand is in a first hand pose based on the plurality of locations; in response to determining that the hand is in the first hand pose, and switch the robotic system to a hand trajectory detection mode. While in the hand trajectory detection mode, the control unit is configured to detect, based on hand tracking information from the hand tracking system, that the hand has performed a first hand trajectory of a plurality of known hand trajectories; and in response to detecting the first hand trajectory, change a mode of operation of the robotic system.

Abstract: The present disclosure relates to force sensors and force sensor substrates for use with surgical devices.

Abstract: A protective sheathing and lubricating device for use with a surgical instrument, including an elongate element arranged along a longitudinal axis and having a distal end and a proximal end; the elongate element is configured to be axially compressible upon exertion of force onto the proximal end.

Abstract: Methods and systems are disclosed including a light system comprising a pad assembly comprising: a pad having a first side and a second side opposite the first side, the first side having an adhesive thereon; and a post with a proximal end connected to the second side of the pad and extending to a rounded distal end; and a light assembly attachable to and rotatable about the rounded distal end of the post of the pad assembly, the light assembly comprising: a case having an opening, the opening structured to rotatably accept the rounded distal end of the post of the pad assembly; one or more light emitting diode at least partially within the case and positioned to illuminate an area outside of the case.

Abstract: An insertion device for a single port robotic surgery apparatus can include an insertion section with first and second camera channels and an instrument channel, the first camera channel configured to facilitate insertion and removal of a primary camera, the second camera channel configured to enclose a secondary camera, and the instrument channel configured to permit insertion and removal of a surgical instrument from the insertion section, The insertion device can include a housing attached to the insertion section, the housing including a passage configured to permit at least a portion of the primary camera to pass through the housing into the first camera channel and exit the first camera channel. The secondary camera can be configured to provide image data of a surgical site to facilitate insertion into the surgical site of at least one of the surgical instrument or the primary camera.

Abstract: Tissue localization devices and methods of localizing tissue using tissue localization devices are disclosed. The tissue localization device can comprise a handle comprising a delivery control, a delivery needle extending out from the handle, and a localization element within the delivery needle. The localization element can be deployed out of the delivery needle or retracted back into the delivery needle when the delivery control is translated in a first direction or a second direction, respectively. The localization element can be coupled to a flexible tracking wire.

Abstract: An implantable tissue marker device is provided to be placed in a soft tissue site through a surgical incision. The device can include a bioabsorbable body in the form of a spiral and defining a spheroid shape for the device, the spiral having a longitudinal axis, and turns of the spiral being spaced apart from each other in a direction along the longitudinal axis. A plurality of markers can be disposed on the body, the markers being visualizable by a radiographic imaging device. The turns of the spiral are sufficiently spaced apart to form gaps that allow soft tissue to infiltrate between the turns and to allow flexibility in the device along the longitudinal axis in the manner of a spring.

Abstract: An endodontic instrument comprises three principal parts: a sleeve-shaped housing (1) one end of which is closed with a nut (2) provided with a straight-through hole; a movable bolt (3) situated axially in the housing (1); and a replaceable working nosepiece with a coupling attachment (4) to which, at the other end of the housing (1), permanently joined is a cannula (5) with the diameter of 0.30-0.35 mm inside which two thin wires with the diameter of 0.07-1.5 mm are placed to form a loop (6) outside the cannula (5), said wires being joined permanently with each other outside the attachment (4) with the use of a fastener (7).

Abstract: Disclosed herein are an apparatus and method for generating an image of corrected teeth. The apparatus includes: a control unit configured to generate dental curves representative of dental arches after the completion of correction from an image of teeth, and to generate an image of corrected virtual teeth by aligning the locations of the teeth with the dental curves; and an input/output unit configured to provide the image of corrected virtual teeth via a screen. The control unit is further configured to model the dental curves with functions corresponding to sets of teeth.

Abstract: A prescription management system is used by an orthodontic or dental lab and a plurality of prescribing users who send prescriptions for customized orthodontic or dental appliances to the lab. The prescriptions are stored in a database selectively accessible by the lab and plurality of prescribing users. A digital workspace is provided in the system in which the lab or prescribing users may create designs for the customized appliances. The designs of the appliances are stored in the database. A tracking record of fabrication of the appliances is stored in the database. A plurality of billings are simultaneously generated in response to the submissions and storage of the prescriptions, the designs of the customized appliances and the fabrication of the designed customized appliances.

Abstract: A method for producing an orthodontic or dental appliance includes laminating a layer of polyethylene terephthalate (PET) with a layer of polyethylene to form a multilayer film, forming the multilayer film into the shape of an orthodontic appliance, trimming the formed film to a desired shape, and removing the layer of polyethylene. In one embodiment, the appliance is a multi-layer structure formed from two adjacent layers of PET with a plurality of functional elements such as sensors or actuators between the two layers.

Abstract: A dental appliance includes a first polymeric shell portion having one or more cavities shaped therein to removably conform to one or more teeth. The dental positioning appliance further includes at least one spacer. At least one spacer is coupled to the first polymeric shell portion. The dental appliance can also have a first arch member coupled to the at least one spacer and configured to provide at least some of a force needed to reposition one or more teeth from a first orientation to a second orientation different from the first orientation.

Abstract: A kit for treatment of bite problems includes an upper mouth guard for upper teeth of a patient and a lower mouth guard for lower teeth of a patient. The upper mouth guard includes a molded body having a first portion configured to cover six or fewer upper teeth of the patient including at least upper central incisors of the patient and a second portion configured to contact mucosal tissue of the patient located behind the incisors. The lower mouth guard includes a molded body having a first portion configured to cover six or fewer lower teeth of the patient including at least lower central incisors of the patient and a second portion configured to contact mucosal tissue of the patient's mouth located behind the incisors.

Abstract: Inventions herein include at least mostly optically clear orthodontic braces and feet orthotics (collectively referred to as “appliances”) with backscatter based sensors. These two categories of appliances share a common property requiring that the given appliance must be correctly custom manufactured to fit a patient's own particular geometry and dimensions of their teeth and/or feet in order to perform as intended. Incorporating such appliances with backscatter based sensors enables simple, easy, fast, efficient, and cost effective measurements, in real-time or near real-time, of stresses, forces, structural changes, and/or the like in the given appliance; which in turn can aid in determining if adjustments or re-manufacture of the appliance may be needed or desired; and/or wherein such measurements may aid in evaluating performance of the given appliance. In some embodiments, such measurements may also be taken remotely away from a practitioner; and then communicated to a remotely located practitioner.

Abstract: A bracket system for orthodontic appliances including a bracket combinatorial library having a plurality of brackets each interchangeably fixedly mountable to each of a plurality of teeth within a dentition group in a dental arch, whereby the plurality of brackets can be configured to provide incremental variation in tipping force moments, in-out force moments, and torqueing force moments over the entire useful range of orthodontic mechanics, allowing an orthodontic practitioner to prescribe a combination of tipping force moments, in-out force moments, and torqueing force moments unique for each tooth in relation to the plurality of teeth of a patient.

Abstract: A custom dental implant and a method and system for making the custom dental implant having one or more energy storing devices that deflect during installation and expand to provide stability after insertion in a natural dental socket of a patient.

Abstract: A method of generating a three-dimensional virtual model of an intraoral object includes capturing, by an imaging apparatus for performing intraoral scans, surface scan data of the intraoral object while changing a position of at least one lens of focusing optics of the imaging apparatus, wherein the surface scan data comprises depth data for a plurality of points of the intraoral object. The method further includes adjusting the depth data for one or more of the plurality of points based at least in part on a value associated with a temperature of at least a portion of the imaging apparatus. The method further includes generating the three-dimensional virtual model of the intraoral object using the adjusted depth data.

Abstract: To provide a zirconia perfect sintered body which has a chroma of an excellent color tone and excellent translucency as compared with a zirconia mill blank for dental cutting and machining prepared from a zirconia raw material powder containing various stabilizing materials while maintaining high strength, and does not cause deformation.

Abstract: A method of making a translucent colored zirconia dental restoration comprises obtaining a zirconia green body, forming a dental restoration precursor from the zirconia green body, applying a color liquid to the precursor, and sintering the restoration precursor with regular sintering in air without post HIP processing. The zirconia green body comprises between 7 wt % to 20 wt % of stabilizer based on a total weight percent of the zirconia green body, and at least some particles with a diameter of 100 nanometers to 1000 nanometers. The zirconia green body is subsequently finally sinterable with regular sintering in air without post HIP processing to produce a translucent zirconia sintered body having a total light transmittance of at least 36% and less than 50% to light with a wavelength of 400 nm, and less than 55% to light with a wavelength of 600 nm, at a thickness of 0.6 mm.

Abstract: A method of making a translucent colored zirconia dental restoration comprises obtaining a zirconia green body, forming a dental restoration precursor from the zirconia green body, applying a color liquid to the precursor, and sintering the restoration precursor with regular sintering in air without post HIP processing. The zirconia green body comprises between 7 wt % to 20 wt % of stabilizer based on a total weight percent, and an L* value between 10 and 20 for a sample thickness of 1 to 1.3 mm. The zirconia green body is subsequently finally sinterable with regular sintering in air without post HIP processing to produce a translucent zirconia sintered body having a total light transmittance of at least 36% and less than 50% to light with a wavelength of 400 nm, and less than 55% to light with a wavelength of 600 nm, at a thickness of 0.6 mm.

Abstract: The present invention relates to a method for producing a dental prosthesis part (100), comprising the steps of determining a natural tooth color value with respect to a specified region (101) of the dental prosthesis part (100); and electronically converting the natural tooth color value into a color value of a coloring liquid (103) for coloring the region (101).