Abstract: The present disclosure relates to polyaxial bone screws and methods that enable the positioning of the polyaxial bone screws to be reliably determined using a surgical navigation system including a navigation probe. In an embodiment, a polyaxial bone screw comprises a threaded shaft inserted in bone and a head connected to the shaft, the head being rotatable relative to the shaft about a centre of rotation of the head of the bone screw. The position of a navigation probe is monitored using a navigation device. A first mating surface of the head of the bone screw is engaged with a second mating surface of the navigation probe; and the location of the centre of rotation of the head of the bone screw is determined based on the monitored position of the navigation probe when the first mating surface and the second mating surface are engaged.

Abstract: Systems, methods and a sensor alignment mechanism are disclosed for medical navigational guidance systems. In one example, a system to make sterile a non-sterile optical sensor for use in navigational guidance during surgery includes a sterile drape having an optically transparent window to drape the optical sensor in a sterile barrier and a sensor alignment mechanism. The alignment mechanism secures the sensor through the drape in alignment with the window without breaching the sterile barrier and facilitates adjustment of the orientation of the optical sensor. The optical sensor may be aligned to view a surgical site when the alignment mechanism, assembled with the sterile drape and optical sensor, is attached to a bone. The alignment mechanism may be a lockable ball joint and facilitate orientation of the sensor in at least two degrees of freedom. A quick connect mechanism may couple the alignment mechanism to the bone.

Abstract: A tracking system can be used to track a plurality of tracking devices. A representation of at least two instruments may be displayed relative to image data. The representation is customizable to distinguish between the at least two instruments.

Abstract: A surgical robotic system has at least two robotic manipulator arms. A user input device has a single handle configured to allow a surgeon to input instructions to the robotic surgical system to cause movement of the first instrument by a first robotic manipulator arm, and to cause movement of the second instrument by a second robotic manipulator arm. The user input device can include a first input handle moveable in multiple degrees of freedom to generate input for movement of the first instrument, and an auxiliary input on the handle to generate input for movement of the second instrument.

Abstract: A sequence of tracking input samples that are measures of position or orientation of a user interface device, UID, being held by a user, are received. In a prediction phase, a current output sample of a state of linear quadratic estimator, LQE, is computed that is an estimate of the position or orientation of the UID. The current output sample is computed based on i) a previously computed output sample, and ii) a velocity term. In an update phase, an updated output sample of the state of the LQE is computed, based on i) a previously computed output sample from the prediction phase, and ii) a most recent tracking input sample. Other embodiments are also described and claimed.

Abstract: A surgeon console for a teleoperated surgical system includes a user input mechanism configured to be actuated to command a flux supply unit to supply a flux to a surgical instrument operatively coupled to the surgeon console; and a user interface configured to display setting information of the flux supply unit, wherein the user interface comprises actuatable control features configured to change a control setting of the flux supply unit.

Abstract: An instrument drive unit includes a hub, a motor pack, and an annular member disposed between the hub and the motor pack. The hub and motor pack each have a surface feature. The motor pack is rotatably coupled to the hub. The annular member defines an upper annular channel, and a lower annular channel. The annular member has a stop formed in each of the upper and lower annular channels. Upon the motor pack achieving a threshold amount of rotation relative to the hub, the surface feature of the motor pack abuts the stop of the lower annular channel to rotate the annular member. Upon the annular member achieving a threshold amount of rotation relative to the hub, the stop of the upper annular channel abuts the surface feature of the hub stopping further rotation of the motor pack.

Abstract: Provided is a robotic medical system and related methods for performing coordinated movements of robotic tools inserted within a patient through multiple separate ports and maintaining remote centers of motion during the coordinated movements. In a first control mode, a first robotic tool is moved (e.g., a camera) using a first controller and multiple robotic tools are automatically moved in coordinated movements with the first robotic tool. In a second control mode, a robotic camera is controlled using a first controller and multiple robotic tools are automatically moved in coordinated movements to stay within a field of view of the robotic camera. In a third control mode, multiple robotic tools are moved in automatic coordinated movements using a first controller and a robotic camera is controlled using a second controller.

Abstract: A sterile drape comprises a plurality of sleeves and a plurality of sterile adapters each at a distal end of a corresponding drape sleeve. Each sterile adapter includes a housing configured to receive a distal face of an instrument manipulator having a plurality of manipulator actuator outputs, a membrane interface at a distal end of the housing that includes a plurality of actuator interfaces, and a pair of supports coupled to the housing to retain a surgical instrument having a plurality of instrument actuator inputs so that the plurality of instrument actuator inputs are opposite to corresponding manipulator actuator outputs with a corresponding actuator interface between each corresponding instrument actuator input and manipulator actuator output. Each sterile adapter also comprises a rotatable seal adapted to couple a proximal opening of each drape sleeve to a rotatable element at a distal end of the manipulator arm.

Abstract: A latex glove inflation assembly includes a housing that is fluidly coupled to a vacuum source for purging the housing of air. The housing has a pair of glove apertures extending into an interior of the housing. A plurality of engagements is each distributed around a respective one of the glove apertures. Each of the engagements engages a wrist opening on a respective pair of latex gloves when the engagements are turned on. The latex gloves are inflated when the housing is purged of air thereby facilitating a user to insert their hands into the gloves. Each of the engagements releases the latex gloves when the engagements are turned off. A release is coupled to the housing and the release facilitates air to fill the housing when the release is turned on thereby facilitating each of the latex gloves to deflate around the user's hands.

Abstract: The present disclosure relates generally to a patient face sheet for a therapy treatment table including a headrest. The patient face sheet may be used in conjunction with an optional pillow including a face opening which is positioned to align with the corresponding opening in the headrest. The patient face sheet comprises a main panel to which a protective skirt is connected. The main panel includes a central and generally circular-shaped opening about which the protective skirt is connected. The protective skirt is draped within both the face hole and the corresponding hole to provide substantially full shielding of the optional pillow and the headrest from the patient's head.

Abstract: A surgical drape for use during pre-operative and post-operative procedures and in sterile operating room environments comprises a drape panel, a heat source affixed to the drape panel for maintaining normal patient body temperature. A thermal panel affixed to the drape panel and defining a heat retention area is optional. The heat source comprises a single or plurality of air-activated chemical warming device for quick heating to optimal temperature and consistent discharge of heat over the desired time.

Abstract: Various methods and systems are provided for an accessory holder. In one example, the accessory holder has a base plate with a front edge and a rear edge, and an inlet extending from the rear edge to an opening in the base plate. The opening has oppositely arranged, rebounding contact seats configured to bend away from the accessory inserted into the opening while exerting a pressure on the accessory.

Abstract: A soft tissue cutting device and methods of cutting soft tissue are disclosed. The soft tissue cutting device includes a blade having a blade working end. One or more balloons are disposed in proximity of the blade working end, and an inflation assembly configured inflate the one or more balloons is included. The inflation assembly includes a fill port in fluid communication with a bellows, and the one or more balloons.

Abstract: Methods of using a soft tissue cutting device are disclosed. The methods include providing the soft tissue cutting device, positioning the soft tissue cutting device in a priming slot of a tray configured for receiving and holding the soft tissue cutting device, attaching a priming syringe to the soft tissue cutting device, priming a balloon disposed on a distal end of the soft tissue cutting device by equalizing a first pressure inside the balloon to a second pressure inside the priming syringe, removing the soft tissue cutting device from the priming slot, and positioning the distal end of the soft tissue cutting device on a safety slot included in the tray to determine whether the tissue cutting device has been properly primed.

Abstract: A force limiting assembly for a surgical instrument that has a handle and a lever pivotally mounted to the handle at a pivot point for movement of an internal drive shaft. The lever is coupled to the drive shaft by a cantilever spring that is positioned within the lever. The free end of the cantilever is spaced apart from the pivot point of the lever and coupled to the drive shaft via stops positioned on the drive shaft on either side of the free end of the cantilever spring. As the lever is pivoting by a user, the forces move the drive shaft and bias the cantilever spring, thereby reducing and ultimately limiting the amount of force that a user may apply to the drive shaft via operation of the lever.

Abstract: A system and method of force or torque limit compensation includes a surgical instrument for use with a computer-assisted medical device. The surgical instrument includes an end effector located at a distal end of the instrument, a drive unit for operating a degree of freedom of the instrument, a shaft coupled to the drive unit, and one or more drive mechanisms in the shaft for coupling force or torque from the drive unit to the end effector and the articulated wrist. To control the degree of freedom, the instrument is configured to determine a current position of the degree of freedom, determine a force or torque limit compensation based on the current position, alter one or more force or torque limits based on the force or torque limit compensation, and adjust the degree of freedom subject to the one or more force or torque limits.

Abstract: A first subassembly includes a body and an ultrasonic blade. A second subassembly is configured to removably couple with the first subassembly and includes a first clamp arm and a first clamp arm actuator. The first clamp arm is configured to be located on a first side of the longitudinal axis of the body, and the first clamp arm actuator is configured to be located on a second side of the longitudinal axis, when the second subassembly is coupled with the first subassembly. The third subassembly is similar to the second subassembly except that the second clamp arm of the third subassembly is configured to be located on the second side of the longitudinal axis of the body when the third subassembly is coupled with the first subassembly.

Abstract: A torque detection vascular therapy system employing a vascular therapy device (101) and a torque detection controller (130). The vascular therapy device (101) is operable to be transitioned from a pre-deployed state to a post-deployed state, and includes a matrix of imageable markers representative of a geometry of the vascular therapy device (101).

Abstract: A breast positioning device for breast cancer radiation therapy includes i) a body portion made of a stretchable synthetic fabric and having a generally tubular shape configured for tight fitting on a person torso, ii) a bra cup on a first portion on the body portion, defining a first lateral side thereof, and iii) a flat portion on a second portion on the body portion, defining a second lateral side, the second portion being positioned laterally symmetrical to the first portion on the body portion. The bra cup is thermoformed in the stretchable synthetic fabric to have a greater transparency than surroundings thereof rendering a first breast therein visible while immobilizing the first breast therein in a predetermined position.

Abstract: A method and device are for generating and displaying a map of a brain operating field, brain tissue areas associated with a stimulated brain function being marked in the map. In the method, during a measurement cycle a stimulation of a brain function is effected and a stimulation image of the brain operating field with the stimulated brain function is recorded, a reference image without the stimulated brain function is recorded, the stimulation image and the reference image are used to generate the map, and the map is displayed on a display. A plurality of cycles are performed. A new map is generated after each cycle following the first cycle. In order to generate the new map, the stimulation and reference images of one or more preceding cycles are used besides the images recorded in the cycle just carried out. At least the new map is displayed after each cycle.

Abstract: An example medical device may include a first component including an interface, a light feature surrounding at least part of the interface, and a controller coupled to the light feature and including a memory in which are stored instructions for the controller causing a first illumination state of the light a feature corresponding to a first state of the interface, and the controller causing a second illumination state of the Sight feature corresponding to a second state of the interface.

Abstract: Operation room devices, methods, and systems are disclosed. One method comprises: receiving, at a processing unit, data associated with a patient; determining, with the processing unit, a treatment for the patient; identifying, with the processing unit, a control setting associated with one or more treatment devices that are (i) in communication with the processing unit, and (ii) operable to perform the treatment; and generating, with the processing unit, a display including the control setting and at least one view of the data. Related devices and systems also are disclosed.

Abstract: The present disclosure provides a device for holding at least one conduit. The device includes a ring having a first end and a second end. The device also includes a first clamping jaw extending from the first end of the ring. The device also includes a second clamping jaw extending from the first end of the ring. A first clamping surface of the first jaw contacts a second clamping surface of the second jaw in a first position, and the first clamping surface is spaced apart from the second clamping surface in a second position. The device transitions from the first position to the second position in response to application of an external force applied to an exterior surface of the ring between the first end and the second end. The device also includes a channel including an inlet positioned at the second end of the ring. The channel is configured to releasably receive the at least one conduit via the inlet, and the channel prevents the at least one conduit from contacting the first end of the ring.

Abstract: A device for clearing obstructions from a medical tube includes a housing defining an interior, an exterior, and a port providing fluid communication therebetween. The device further includes an elongated guide wire residing at least partially within the housing, and first and second rollers defining a nip therebetween that are located within the housing. A guide wire extends through the nip and is drivable for advancement and retraction thereof through the port via rotation of the rollers.

Abstract: Apparatus and method of locating and/or counting one or more surgical articles, wherein the surgical article may comprise a surgical sponge comprising a counting element and/or detecting element. The counting element and/or detecting element may comprise an RFID tag encapsulated in a housing or pouch that is coupled to the surgical sponge. The RFID tag may further comprise unique identification and/or location information relative to the surgical sponge. The RFID tag may be coupled to the sponge at an attachment position and/or oriented on the surgical sponge relative to a defined set of reference lines. The attachment position and/or orientation of the RFID tag on the surgical sponge may be configured to improve the accuracy of scanning the RFID tag. A plurality of surgical articles (i.e. surgical sponges) comprising RFID tags may be packaged or bundled via a strap or within a container.

Abstract: Disclosed is a power generating system for a rotatory dental apparatus that can power the illumination source. The rotatory dental apparatus includes a supply hose having a hose connector at its one end. A swivel coupling connects the hose connector to the dental handpiece. The power generating system can be configured in the hose supply. In one case, the power generating system can be installed in the hose connector of the hose supply. In one case, the power generating system can be interposed between the two sections of the hose supply. In one case, the power generating system can be installed in a hose coupling that is interposed between the swivel coupling and the hose connector.

Abstract: In an embodiment, an input indicating a location selected by a health care professional on an image rendered with respect to a viewport mapped onto an immersive photographic model of a patient's mouth to indicate a position to place an orthodontic bracket on a patient's tooth is received. A ray is extended from a focal point of the viewport at a direction determined based on the input. An intersection of the ray in a three-dimensional space is determined. The intersection indicates a position to place the orthodontic bracket on the patient's tooth.

Abstract: The invention relates to a tooth stump for a dental model, said dental model comprises at least one tooth and at least one tooth stump receptacle for at least partially receiving the tooth stump, said tooth stump comprises a tooth portion in the form of a human or animal tooth and a coupling portion defining a coupling portion longitudinal axis for force-locking and/or positive-locking engagement with the at least one tooth stump receptacle of the dental model in a coupling position, the tooth stump comprising a positioning device for defined spatial positioning of the tooth stump in the tooth stump receptacle in the coupling position, wherein the positioning device comprises at least one positioning element formed on the coupling portion. Further, the invention relates to a dental model.

Abstract: The present disclosure relates to a cosmetic facial or maxillary prosthesis. The cosmetic facial or maxillary prosthesis is designed to be worn by individuals having certain physical deformities that affect the appearance of their face as a temporary cosmetic piece that provides an aesthetically improved appearance by softening and straightening certain facial imperfections. The cosmetic facial or maxillary prosthesis is fully functional in that it stays in place with normal movement of the user's mouth, for example, while talking, eating and chewing and does not interfere with daily tasks. The cosmetic facial maxillary prosthesis is not outwardly observable by others and may be removed by the user at any time.

Abstract: A dental gypsum slurry includes water and a dental gypsum powder containing hemihydrate gypsum and a polycarboxylic acid salt-based water-reducing agent, wherein a powder-water ratio of the water to the dental gypsum powder is 0.24 to 0.50, and when the water and the dental gypsum powder being mixed are poured up to a height of 50 mm in a cylindrical mold having an inner diameter of 35 mm, which is vertically placed on a flat surface, and then, the cylindrical mold is pulled upward at 10 mm/s at 30 seconds after start of mixing so that a mixture spreads planarly, the diameter of the mixture is 141.4 mm or more.

Abstract: A floss stick includes a horizontal stick body, first and second extension arms, at least one horizontal floss, and at least one inclined floss. The first and second extension arms extend transversely from the stick body and are spaced apart from each other. The horizontal and inclined flosses are connected between the first and second extension arms and are adapted for removing dental plaque from teeth. The inclined floss is inclined relative to the horizontal floss, and cooperates with the horizontal floss to define a gap therebetween, in which the dental plaque removed is confined by capillary action.

Abstract: Various apparatus and methods for cleaning teeth and gingival pockets are disclosed herein. A fluid platform can include a pressure wave generator configured to propagate pressure waves through a treatment fluid. The pressure waves may be sufficient to remove undesirable dental deposits from a treatment tooth, neighboring gums, and/or spaces between the tooth and gums.

Abstract: Described herein are systems and methods for providing personalized oral care. A system for oral care comprises an oral insert. The oral insert is sized and shaped according to a user's oral cavity, and has a plurality of fluid nozzles and an effluence conduit to channel fluid out of the user's oral cavity. Pressurized fluid provided through the nozzles are directed to, for example, the interproximal spaces between the user's teeth. In some variations, a system comprises an oral insert and an elastomeric substrate that is attached to the oral insert. In some variations, the elastomeric substrate comprises a textured surface vibrates and/or mechanically agitates and/or translates along the surface of the user's teeth. In some variations, a system for oral care comprises a microbiome collection chamber. Some variations comprise dental shim devices that are used for acquiring oral structure data and alignment between the upper and lower arches.

Abstract: A stable water flosser includes a body and a head. A nozzle is provided at the head. A liquid and air storage chamber that is communicated to the nozzle is provided inside the head, and a diameter of the liquid and air storage chamber is larger than that of the nozzle. The water flosser has a compact structure and is capable of effectively avoiding the pressure reduction of the air and the liquid.

Abstract: The present invention is directed to a suction tool that can connect to a suction hose for sucking substances from an oral cavity during a rubber dam isolated endodontic procedure. The suction tool includes a body having an inlet for connecting with a suction hose. A suction window can be configured in the body, wherein the suction window is in fluid communication with the suction inlet. Substances that are used during a dental procedure, such as cooling water can be sucked through the suction window. The suction tool further includes a magnet configured on the body of the suction tool and adapted to magnetically couple with the clamp of the rubber dam.

Abstract: A toothbrush apparatus and system designed to simplify the cleaning of all surfaces of the teeth, by simplifying the brushing process to a single motion performed on the top and bottom rows of teeth, and thereby by reducing the cognitive difficulty of learning the brushing task. Simplification is accomplished by using a unique brush head that wraps around the teeth to cover the inside, top, and outer surface of the teeth at once, while a pivot mechanism with a restorative force component attaches the brush head to the brush stem, and allows the brush head to rotate about itself. These two elements combine to allow the brush head to glide around the teeth like a train on a track as the brush is moved around the mouth.

Abstract: Compositions and methods for improving compliance with a two-part oral care regimen may include the use of a first composition with mildly unpleasant organoleptic properties.

Abstract: A sperm injection tube for artificial insemination of swine has a tube and a plug mounted on an end of the tube. The plug has a plug body, a guiding portion, and a blocking portion. The guiding portion is formed around the plug body and has multiple guiding fins near the injection hole. The blocking portion is formed around the plug body and has at least one blocking fin near the connecting hole. Each guiding fin is umbrella-shaped and flexible. When inserting the sperm injection tube into the uterus, the guiding fins are concentrated toward the plug body to led the plug to easily pass through the cervix. The blocking portion block the cervix to prevent the semen flowing out and to keep the tube from being pushed out to raise the conception rate of the sow.

Abstract: A barbed mesh device is provided for tissue closure and tissue support when the tissue is closed by other means. The device includes a macroporous mesh with a plurality of intersections or apertures and a plurality of barbs extending from the plurality of intersections or apertures on at least one side of the mesh. The plurality of barbs each include a barb body and a plurality of projections extending at an angle from the barb body.

Abstract: An acellular dermal matrix (ADM) graft product includes an ADM graft derived from full-thickness skin, with a pre-formed shape having a mesh pattern formed therein. The ADM graft is disposed in a sterilization package and irradiated to provide a two year shelf-life for the ADM graft product, which is used in the time-saving, efficient, and effective surgical reconstruction of soft tissue defects. One manufacturing method involves providing a portion of full-thickness donor-derived skin, removing an epidermis and a fat layer form the portion of the skin, decellularizing the portion of the skin to form a portion of ADM graft material, pre-shaping and meshing the ADM graft material, verifying a thickness of the ADM graft material, and packaging the pre-shaped, meshed ADM graft material in a sterilizable package and irradiating for a two-year shelf-life to form the ADM graft product. Other embodiments are also disclosed.

Abstract: An apparatus for use in a surgical procedure for delivering a prosthetic implant comprises a flexible sleeve configured with a first end and a second end, the flexible sleeve being tapered such that a width of a region at the second end is relatively smaller than a width of a region at the first end, and an interior surface of the flexible sleeve that form an interior cavity, the interior cavity being sized to receive the prosthetic implant; one or more surface active coatings are applied to the interior cavity. The flexible sleeve is manipulatable such that when the prosthetic implant is positioned within the interior cavity, a manually applicable directional pressure in the direction of the second end causes the prosthetic implant to extrude from the second end.

Abstract: A method of manufacturing an emboli filter membrane having a three-dimensional (3D) structure from a sheet of fabric made from at least of strand and a device comprising such filter membrane. The filter membrane is manufactured using a mold made from two parts, a first part having a cavity in the shape of the three-dimensional structure surrounded by a first surface, a second part having a protrusion in the shape of the three-dimensional structure surrounded by a second surface. When the mold is closed there is a space between a surface of the cavity and a surface of the protruding portion.

Abstract: Thin PTFE layers are described having little or no node and fibril microstructure and methods of manufacturing PTFE layers are disclosed that allow for controllable permeability and porosity of the layers. In some embodiments, the PTFE layers may act as a barrier layer in an endovascular graft or other medical device.

Abstract: A three dimensional tissue printing method is disclosed. The three dimensional tissue printing method includes the following steps: performing large support stand printing to form a first printing body; performing small support stand printing to form second printing body on the first printing body and forming a tissue structure by crossly connecting in between the first printing body and the second printing body. Besides, a three dimensional tissue printing device and artificial skin are also presented.

Abstract: Allografts for soft tissue repair, including breast reconstruction and other plastic surgery procedures, are disclosed. One allograft is made from decellularized dermal tissue and constitutes a collagen matrix having substantially uniform density and porosity. Another allograft is a hybrid bilayer tissue form that is made from decellularized dermal and adipose tissues. Methods for making both allografts are also disclosed.

Abstract: A method for the correction of the near vision of a patient suffering from age-related macular degeneration (AMD) and having a pseudophakic eye having at least one primary intraocular lens (IOL) implanted in a capsular bag in a posterior chamber of the eye, comprising: implanting a secondary IOL, made from a foldable soft material, between an iris of the eye and the primary IOL, wherein the secondary IOL comprises an optically active lens part having an optical axis and a plurality of evenly spaced haptics around the optically active lens part, the optically active lens part having a central optical lens portion and a peripheral optical lens portion surrounding the central optical lens portion, the central optical lens portion being a positive lens and having a refractive power that differs from a refractive power of the peripheral optical lens portion by +5 diopters up to +25 diopters, placing the central optical lens portion of the secondary IOL in an aligned position optically coaxial to the at least on

Abstract: Systems for delivering prosthetic heart valve devices can include, for example, an elongated catheter body, a deliver capsule carried by the catheter body, and an expandable atraumatic member. The delivery capsule includes a platform and a housing having an outer wall and a proximal rim, and the platform is configured to be releasably coupled to a prosthetic heart valve device. The housing is configured to slide along the platform from a containment configuration to a deployment configuration. The expandable atraumatic member has an atraumatic surface and a peripheral portion. The atraumatic member has a compacted configuration and an expanded configuration in which the peripheral portion extends laterally outward over the proximal rim of the housing to protect tissue of the heart and the vasculature from potentially being damaged by the proximal rim of the housing as the delivery system is withdrawn in a proximal direction through the patient.

Abstract: A tricuspid regurgitation treatment tool to be inserted into the pulmonary artery is proposed. The tricuspid regurgitation treatment tool to be inserted into the pulmonary artery is used to verify whether the right ventricular dysfunction may occur when treating the tricuspid regurgitation by surgeries or other permanent treatments. A test insertion of the tricuspid regurgitation treatment tool to be inserted into the pulmonary artery is made to pass obliquely through the tricuspid valve of a patient, and after a certain time has elapsed, the tool is removed. The tricuspid regurgitation treatment tool to be inserted into the pulmonary artery includes: a blocking part blocking the tricuspid valve; and an insertion tube provided with a guidewire-guiding lumen formed therein to be movable along the guidewire.

Abstract: Prosthetic heart valve leaflet with a fixed end and a free end characterized by the fact that it has a variable thickness.