Abstract: The present disclosure concerns a surgical system, comprising at least: a control unit, a storage unit configured to communicate with the control unit; a robotic arm comprising: at least three motorized joints, the control unit being configured to determine, in real-time, a pose of each motorized joint of the at least three motorized joints; and a flange; a passive arm attached to the flange of the robotic arm, the passive arm extending within a first plane, the passive arm comprising at least three distinct parallel axes forming a plurality of passive joints, each passive joint comprising an encoder configured to: determine, in real-time, an angular position of each passive joint of the plurality of passive joints; and send to the control unit a first corresponding information of the angular position of each passive joint of the plurality of passive joints; a surgical device attached to the passive arm, the surgical device extending within a second plane, the second plane being parallel to the first

Abstract: The present embodiments relate to operator control in a master-slave robotic system, including, but not limited to, wherein an operator uses a master control input device to guide the position and orientation of a tool that is driven by the robotic system. Embodiments described herein provide devices and methods of increasing precision control for complex motions by, for example, decoupling operator control of rotational and translational movement.

Abstract: A drill guide fixture may be configured to prepare a skull for attachment of a cranial insertion fixture. The drill guide fixture may include a central drill guide and a bone anchor guide at a base of the drill guide fixture. The central drill guide may define a central drill guide hole therethrough, wherein the central drill guide hole has a first opening at a base of the drill guide fixture and a second opening spaced apart from the base of the drill guide fixture. The bone anchor drill guide may define a bone anchor drill guide hole therethrough, and the bone anchor drill guide hole may be offset from the central drill guide hole in a direction that is perpendicular with respect to a direction of the central drill guide hole. Related cranial insertion fixtures, robotic systems, and methods are also discussed.

Abstract: Systems and methods for controlling the placement and movement of a robotic arm of a robotic surgical system are provided. A surgical computer system can be configured to determine a recommended position for the robotic arm based on the calculated workspace volume for the robotic arm and the location of the surgical site. A surgical computer system can also be configured to control the robotic arm according to whether it is located within a surgical workspace defined by the surgeon or with respect to the surgical site.

Abstract: A system and method for surgical implantation of cochlear implants that allows for the assessment of cochlear implant insertion progress during the surgical procedure through insertion planning, electrode selection, monitoring insertion progress, and confirming implant placement is provided. The inventive system and methods allow for the determination of a desired insertion state and progress plan for the selected cochlear implant and subsequently allow for the monitoring of insertion progress The provided system and methods allow for the use of imaging data, implant data, patient data and electrophysiological data in determining the desired insertion state and progress plan and for selecting the implant, and various imaging and tracking methodologies in monitoring insertion progress and confirming that the implant has been properly placed.

Abstract: A robotic surgical system includes a surgical instrument defining a first longitudinal axis and a robotic surgical assembly defining a second longitudinal axis. The robotic surgical assembly includes an instrument drive unit configured for selectively receiving and driving the surgical instrument. The robotic surgical assembly defines a side opening having an insertion axis that is angled with respect to the second longitudinal axis.

Abstract: Techniques for monitoring control points of a computer-assisted device include one or more articulated arms having one or more control points and a control unit coupled to the one or more articulated arms. Each control point of the one or more control points is located based on a kinematic configuration of the one or more articulated arms. The control unit is configured to determine, during a movement of a table that causes a change in the kinematic configuration of the one or more articulated arms, an actual spatial configuration of the one or more control points; determine, based on a comparison of the actual spatial configuration with an expected spatial configuration of the one or more control points, whether to perform a remedial action; and perform the remedial action in response to a determination to perform the remedial action.

Abstract: A system includes first and second manipulating means, and a means for detecting mounting of an imaging means to the first manipulating means, a means for determining a first reference frame for the imaging means while the imaging means is mounted to the first manipulating means, a means for controlling a tool means relative to the first reference frame by maintaining a position and orientation of a distal portion of the tool means relative to the imaging means in the first reference frame based on a position and orientation of an input means relative to a display means, a means for detecting mounting of the imaging means to the second manipulating means, a means for determining a second reference frame for the imaging means while the imaging means is mounted to the second manipulating means, and a means for controlling the tool means relative to the second reference frame.

Abstract: An instrument manipulator for a robotic surgery system can include a housing configured to support a surgical instrument. The instrument manipulator can include an actuator configured to move the housing forward and backward. The instrument manipulator can include a release connected to the housing and configured to engage with the actuator in a first configuration to allow the housing and the at least one surgical instrument to move forward responsive to activation of the actuator. The release can be configured to disengage from the actuator in a second configuration to allow a user to manually retract the housing and the at least one surgical instrument. The instrument manipulator can include a user interface positioned at least partially on an exterior surface of the housing and configured to permit the user to transition the release from the first configuration to the second configuration.

Abstract: Implementations relate to a master control device. In some implementations, a master control device includes a control body comprising a proximal end, a thumb grip portion, and a finger grip portion. The control body has a length configured to engage the proximal end of the control body in the palm of a hand of the user while the hand engages the thumb grip portion with a thumb of the hand and the finger grip portion with a finger of the hand. The control body is configured to allow the proximal end of the control body to be selectively engaged by the palm of the hand and selectively disengaged from the palm of the hand while the hand engages the thumb grip portion with the thumb of the hand and the finger grip portion with the finger of the hand.

Abstract: A holding element for a drape for a surgical microscope is provided. The holding element has a holding ring and a recess located in the holding ring for an interface of the surgical microscope. The holding ring has an asymmetrical contour delimiting the recess such that in a condition in which the holding element is fastened to the surgical microscope there is only one possible fastening position of the holding element on the interface of the surgical microscope that corresponds to the contour of the holding ring, in which position an orientation of the holding element relative to the surgical microscope is defined.

Abstract: A storage tray provides storage for multiple types of wires, catheters, and other instruments used during surgical procedures. The storage tray includes a base and a set of walls forming a basin that holds liquid. A wire containment section within the basin holds multiple coiled guidewires in a channel filled with the liquid. The wire containment section includes an inner wall and one or more wall segments forming an outer boundary of the channel. A wire holder outside the channel holds end portions of the guidewires. Pulling an end portion of one of the coiled guidewires horizontally causes the guidewire to slide along the inner wall for separation and removal from the storage tray.

Abstract: A mobile personal protective equipment (PPE) station can comprise a frame that is configured to be movable on a floor surface and a shield that is coupled to the frame. The shield can comprise a front wall that extends along a first horizontal axis. The front wall can define a pair of arm holes. At least a portion of the front wall can be transparent.

Abstract: Face shield apparatuses used during medical procedures. The apparatuses may include a frame including a first and second curved member. Each of the first and second curved members may include: a first end, a second end, and an outer surface extending between the first and second end. The apparatuses may also include a bridge extending between the first end of the first curved member and the first end of the second curved member, a first rib(s) and second rib(s) rotatably coupled to the outer surface of the first curved member and second curved member, respectively. The rib(s) may extend beyond and substantially parallel to the outer surface of the first and second curved members. Additionally, the apparatuses may further include a first and second extension coupled to the first and second curved members, and a backing component releasably coupled to the first and second extensions.

Abstract: A method for marking a biopsy site after a biopsy has been performed includes the steps of placing a marker in the form of a semi-permeable membrane at the biopsy site so that the marker can be found at a later time, inserting a needle into the marker at the later time which is preferably immediately before a planned surgical resection of the biopsy site, and injecting a dye directly into the marker to color the marker. The semi-permeable qualities of the marker facilitate the slow egress of dye into tissue that is immediately adjacent the marker, enlarging the footprint of the marker. The semi-permeable membrane includes a high percentage of water after reaching osmotic equilibrium, rendering the marker highly visible under ultrasound imaging. The semi-permeable membrane may take the form of a fully or partially dehydrated hydrogel.

Abstract: An endoscopic surgical tool organizer includes a holder section having an upper surface, a substantially flat lower surface, and at least one peripheral edge. The upper surface has a plurality of slits or channels, each having an entry point and an exit point on the at least one peripheral edge, and each dimensioned to hold at least a portion of a length of an endoscopic insertion tube or endoscopic tool wire or tube. The lower surface is provided with a non-slip material, finish, or adhesive. The holder section is dimensioned to fit on a tray of a mayo stand. In some cases, two or more of the plurality of slits or channels have substantially parallel paths, or paths serve to spread out or concentrate the wires and/or tubes.

Abstract: Disclosed herein are surgical assemblies comprising clamps with a lever clamp and a retractor arm that utilizes a ball-locking mechanism for clamping medical retractors. The ball-locking mechanism allows the retractor to be rotatable relative to the rod of the retractor arm. These assemblies allow for streamlined, accurate, efficient, and quick adjustments to retractors prior to or during surgery. They also obviate the need for a medical professional to hold the retractor in place during surgery and could reduce risk of human error during surgeries.

Abstract: An applicator having a body configured to house a fluid, an application member in selective fluid communication with the body, and a time-indicating device, wherein the time-indicating device includes a capillary component having a fluid path, wherein the time-indicating device is configured such that fluid advancement along the fluid path directly or indirectly provides at least a first observable signal, and wherein the first observable signal signifies a first certain application period.

Abstract: A three-point locating dental implant locating guide and a three-point locating modeling method are disclosed. The three-point locating dental implant locating guide includes a first plate and a second plate that are pivotally connected. A first locating hole is defined in the first plate. A second locating hole is defined in the second plate. A third locating hole is defined in the junction of the first plate and the second plate. Extending directions of the first locating hole, the second locating hole and the third locating hole are arranged parallel to each other. Through the first locating hole, the second locating hole and the third locating hole, a positioning locating can be guided and implanted respectively, thereby forming a three-point locating as the modeling base for producing a dental mold accurately.

Abstract: A dental extraction instrument that is applicable to tooth roots of various shapes and sizes and that enables quick tooth extraction and reduces the burden on the patient. It includes a gripper, a shank extending from the gripper, and a head at the distal end of the shank to be inserted into a periodontal space for extraction of a tooth using a lever effect. The head bifurcates in plan view, and has two sharp prongs and a web between the prongs. The web connects the prongs that are extending in a direction away from the shank and is axially recessed from the distal ends of the prongs. The web has a biconcave shape in the center to be thinner than the prongs as viewed in the cross section perpendicular to the shank.

Abstract: A dental instrument for use with a dental handpiece cleans and disinfects tooth root canals. The instrument includes a shaft and connector for releasable attachment to the handpiece, the shaft including at least a tip end, a distal portion approximate to the connector, and at least two radial protrusions extending along length of the shaft with a longitudinal groove extending between the at least two radial protrusions.

Abstract: The invention relates to a heating device 10 for heating a dental material and a method for controlling the temperature of a dental material.

Abstract: A distinguishing device for dental plaque and dental calculus includes a light-emitting diode, an image sensing unit, and a processor. The light-emitting diode movies in a first direction and is separated from teeth in an oral cavity by a predetermined distance in a second direction. The second direction is perpendicular to the first direction. The light-emitting diode generates a blue light to illuminate the teeth, so that dental plaque on the teeth generates a first autofluorescence and dental calculus on the teeth generates a second autofluorescence. The image sensing unit is configured to sense the first autofluorescence and the second autofluorescence. The processor is coupled to the image sensing unit to distinguish a dental plaque area from a dental calculus area on the teeth according to the first autofluorescence and the second autofluorescence.

Abstract: A method for use in additively manufacturing an orthodontic aligner may include receiving a digital model of an aligner, processing the digital model of the aligner to modify the digital model based on predicted deviations during fabrication to generate a first updated digital model of the aligner, determining that whether the predicted deviations of a physical aligner additively manufactured based on the first updated digital model of the aligner are acceptable, and outputting the first updated digital model of the aligner for fabrication of the physical aligner by additive manufacture of the physical aligner.

Abstract: The present disclosure provides method, systems, and devices for expanding arch of teeth. A device for expanding an arch of teeth of a patient can include a removable shell formed of a first material having a number of cavities formed therein. The number of cavities are shaped to receive teeth of a patient. A device for expanding an arch of teeth of a patient can include an arch element extending from the removable shell in a lingual direction and across an arch width of the removable shell. The arch element can be formed of the first material and a second material that is a different material than the first material, can be designed to expand an arch of the teeth of the patient, and can have a width specific to a stage of a treatment plan.

Abstract: An abutment for implant including a connect reducing a diameter of a screw hole according to the present invention includes: a base provided with a coupling hole having a screw thread penetrating therethrough in a height direction of a central portion; a connector having a screw thread formed on an outer circumferential surface thereof to be threaded with the coupling hole of the base and having a screw hole penetrating along a height direction of a central portion; and a screw inserted into the screw hole to be threaded with a coupling hole and a fixture.

Abstract: A method and apparatus for acquiring digital oral cavity data and a tooth scanner control system. The method includes: an oral cavity scanning request is received; scanning data of a target object is acquired based on the oral cavity scanning request, wherein the scanning data includes scanning data of a target scanning rod installed on the target object; the scanning data of the target scanning rod is matched with standard data of the target scanning rod; and the matched standard data of the target scanning rod is utilized for replacing the scanning data of the target scanning rod in the scanning data, and the digital oral cavity data of the target object is obtained.

Abstract: A method of providing an accurate three-dimensional scan of a dental arch area is disclosed. The arch area has two segments and a connecting area between the two segments. The connecting area has homogeneous features. A connecting-geometry tool with at least one definable feature is affixed to the arch area. The definable feature overlays at least part of the connecting area. The arch area is scanned to produce a scanned dataset of the arch area. The definable feature of the connecting-geometry tool on the connection area is determined based on the scanned dataset. The dimensions of the arch area are determined based on the data relating to the definable features from the scanned dataset.

Abstract: An identification apparatus includes an input interface to which position data including position information of each of a plurality of objects is input, and processing circuitry that is configured to identify at least one object among the plurality of objects based on the position data that is input from the input interface and an estimation model that is trained to estimate a type of each of the plurality of objects based at least on the position data of each of the plurality of objects, the position data including a relative positional relationship which is fixed inside the mouth.

Abstract: The invention relates to a computer-implemented method for providing a set of layer-specific molding matrices for reconstructing layer-by-layer one or more teeth of a set of teeth in a patient’s oral cavity. The set of layer-specific molding matrices comprises two or more layer-specific molding matrices. Each of the layer-specific molding matrices is configured for being arranged on the set of teeth and for casting a different layer of the one or more teeth to be reconstructed with a layer-specific reconstruction material inserted into the respective layer-specific molding matrix. The respective layer-specific molding matrix defines a 3D geometric form of the respective layer being casted.

Abstract: A method for creating image data of a dental shaped object has steps of: acquiring image data of a dental shaped object having a side-wall portion forming a horseshoe-shaped concave portion; creating image data of a reinforcing member that reinforces the side-wall portion in CAD; and connecting the image data of the dental shaped object and the image data of the reinforcing member.

Abstract: A denture base of the present disclosure includes: a base main body; and a plurality of sockets provided in the base main body and each having a concave shape. The plurality of sockets are provided along a shape of the base main body. The base main body includes a socket partition wall provided between adjacent sockets of the plurality of sockets. The socket partition wall is provided with a groove that communicates with the adjacent sockets each other. The plurality of sockets communicate with each other through the groove.

Abstract: A one-piece or multi-piece prosthesis blank for manufacturing a dental prosthesis. The blank is constructed from a gum-colored material and a tooth-colored material. It is characterized by being connected to each other at connecting surfaces, having an interface between the gum-colored and tooth-colored materials. This interface, when viewed along the connecting surfaces has an undulating shape and viewed in the vestibular direction has a radial shape. In order to finish the dental prosthesis, a CAD/CAM device determines the exact course of a gingival line, based on patient-specific data, and produces the prosthesis.

Abstract: A mold for a dental appliance includes a dental arch portion and a beam. The dental arch portion is associated with teeth of a user. The dental arch portion includes a first distal portion, a second distal portion, and an incisor portion disposed between the first distal portion and the second distal portion. The beam extends from the first distal portion to the second distal portion. The beam includes a label portion disposed between the first distal portion and the second distal portion. The label portion forms a label for identification of the mold.

Abstract: A disposable dental flosser has a floss release feature that is operated with one hand. A movable section of a flosser provides a clamp that clamps one end of a length of floss. Deforming the movable section opens the clamp to release the end of the length of floss. The release of one end of the floss from the flossing device facilitates the easy removal of the floss from teeth.

Abstract: An apparatus for fluid delivery in oral irrigation comprises a fluid delivery tube with a proximal end and a distal end. The proximal end is configured to receive fluid for oral irrigation. A nozzle is placed at the distal end of the fluid delivery system and a mechanical valve is placed at the nozzle. The mechanical valve is closed in equilibrium and is configured to open when a force is applied to the mechanical valve by each of two neighboring teeth.

Abstract: There are provided a prediction apparatus, a prediction system, and a prediction method, which predict, by an easy method, whether there is a possibility of an animal contracting a disease in a near future.

Abstract: The present invention relates to a prosthesis (1) for repairing an inguinal hernia defect comprising: a piece (2) of biocompatible material having a preformed three-dimensional shape, including: a first portion (3) forming a partial spherical cap surface (8) shaped and dimensioned so as to substantially conform to the shape of the anterior abdominal wall, a second portion (4) extending from an inferior edge of said first portion and forming a wavy-shaped wall (9), shaped and dimensioned so as to substantially conform to the shape of the psoas muscle, characterized in that said piece (2) further comprises: a third portion (5) forming an arched part (10) extending longitudinally in the inferior direction from a medial inferior corner (3a) of said first portion, said arched part extending radially substantially in the front direction, said third portion being intended to face the medial inferior area of the inguinal anatomy.

Abstract: An organ lengthening device comprising a spring-like structure, wherein the surface of the device is covered with micron-size anchors such as hooks, studs or wires made from a biodegradable polymer. The anchors are configured to engage the surface of the organ so that the device will be anchored to the organ. The device, which is inserted into the organ in a compressed position, gradually lengthens over time, thereby lengthening the organ, wherein the anchors are configured to degrade away and eventually allow the device to become disengaged from the organ.

Abstract: The invention relates to generally to a vascular access graft that includes a magnetic element disposed about a flow tube for guiding a blood flow between an arterial end adapted for arterial anastomosis to a portion of an artery, and a venous end adapted for venous anastomosis to a portion of a vein. The magnetic element may include a plurality of magnets disposed about the flow tube so that a magnetic field may be applied to blood flowing therein; the magnetic element may alternatively include a circuitry configured to generate a magnetic field applied to the flow tube.

Abstract: The present application discloses a covered stent and a method for navigating the covered stent to a branch vessel, the covered stent including a main body and at least one lateral side branch connected to the main body. A system of covered stents and a method for implanting, including interconnecting the covered stents is also disclosed.

Abstract: Devices, systems and/or methods for repairing soft tissue adjacent a soft tissue repair site. In one embodiment, a repair device includes an anchor member, a capture member and one or more flexible members. The anchor member includes a base with at least four legs extending integrally from the base, the at least four legs configured to be moveable from a straight first position to a formed second position. The capture member is configured to be coupled to the anchor member such that the at least four legs of the anchor member move around structural portions of the capture member with the at least four legs of the anchor member in the formed second position. The one or more flexible members are coupled to the base of the anchor member, the one or more flexible members extending at least partially along the base of the anchor member.

Abstract: The present application relates to a breast implant having surface roughness and waviness. A breast implant according to an aspect includes: a shell constituting an outer skin; and a filler material accommodated inside the shell, wherein an outer surface of the shell has a concave-convex surface in contact with tissue, and the surface has a certain level of waviness in a filtered waviness curve.

Abstract: The present invention provides, in various embodiments, a breast implant with an RFID transponder embedded therein, so that the implant can be conveniently identified while inside the human body, and methods of making the same.

Abstract: Certain aspects provide an intraocular lens (IOL) including a monolithic lens body having an anterior nanostructure assembly on an anterior outer surface of the monolithic lens body and a posterior nanostructure assembly on a posterior outer surface of the monolithic lens body, and one or more haptics coupled to the monolithic lens body.

Abstract: The invention relates to a multifocal lens 1 having several concentric diffractive zones 7, 8, 9, 10 on a lens surface 2, wherein in each diffractive zone a diffraction phase structure is defined, which is expressible by the following function or by a smoothed version of the function: ? ? = 2 ? × p 1 ? , 0 ? ? < w 1 p 2 ? + q 2 , w 1 ? ? < w 2 p 3 ? + q 3 , w 2 ? ? < 1 , wherein ? indicates a position within the respective diffractive zone in a radial direction, ?(?) indicates a phase shift experienced by light passing through the position indicated by ?, w1 and w2 define a spatial partitioning of the respective diffractive zone in the radial direction, p1, p2 and p3 indicate gradients and q2 and q3 are constants. The position ? depends quadratically on a radial distance to the center of the lens surface and is normalized with respect to the radial width of the respective diffractive zone and the gradients p1, p2 and p3 are negative.

Abstract: A multifocal diffractive lens is provided which achieves efficient use of light. The multifocal diffractive lens 100 includes a diffraction grating 1c. Negative-order light L2 produces a focal point f2 for far vision and 0-order light L1 produces a focal point f1 nearer to that for far vision. The number of focal points is two or more. The focal position fc for far vision in polychromatic performance evaluation is located nearer to the multifocal diffractive lens than the focal position fs for far vision in monochromatic performance evaluation.

Abstract: A lens element intended to be worn in front of an eye of a wearer including at least a first and a second set of optical elements providing respectively a first and a second optical function. When worn by a wearer, an optical element of the first set is located at a greater distance from the center of rotation of the eye than an optical element of the second set. At least some optical elements of the second set are disposed with respect to the optical elements of the first set of the lens element to provide according to a respective first and a second gaze direction on different zones of the retina of the eye of the wearer distinct cumulative optical effects.

Abstract: A multifocal IOL including at least one diffractive surface including a plurality of discrete, adjacent, diffractive, concentric rings, having a radial phase profile cross-section with a near-symmetrical diffractive surface topography, and an odd number, greater than three, of diffractive orders and an asymmetrical distribution of energy flux over the diffractive orders.

Abstract: Certain embodiments provide an intraocular lens (IOL) including a lens body having an anterior lens element and a posterior lens element, and an optical fluid in a cavity formed between the anterior lens element and the posterior lens element. The anterior lens element and the posterior lens element each comprise a lens material having a first Abbe number, and the optical fluid has a second Abbe number that is less than the first Abbe number.