Abstract: Systems and methods are disclosed for evaluating a patient with vascular disease. One method includes receiving patient-specific data regarding a geometry of the patient's vasculature; creating an anatomic model representing at least a portion of a location of disease in the patient's vasculature based on the received patient-specific data; identifying one or more changes in geometry of the anatomic model based on a modeled progression or regression of disease at the location; calculating one or more values of a blood flow characteristic within the patient's vasculature using a computational model based on the identified one or more changes in geometry of the anatomic model; and generating an electronic graphical display of a relationship between the one or more values of the calculated blood flow characteristic and the identified one or more changes in geometry of the anatomic model.

Abstract: A method and system for predicting a measure of hemodynamic compromise as a result of transcatheter cardiac treatment. The method includes providing a patient-specific anatomical model representing cardiac region and an implant model representing a three-dimensional representation of a cardiac implant. The method includes virtually deploying said implant model into said patient-specific anatomical model. A deformation of the patient-specific anatomical model is calculated as a result of implant model deployment A measure of hemodynamic compromise is determined from the virtually deployed implant model and the deformed patient-specific anatomical model.

Abstract: A method and a device for determining a respective position of one or more markers in a 3D image coordinate system are provided. A plurality of image data sets taken from a 3D volume in which an object and one or more markers are disposed. The 3D volume comprises a central volume containing at least a portion of the object and further comprises a peripheral volume adjacent to the central volume and containing the one or more markers. The image data sets have been taken from at least one of different positions and different orientations relative to the object. A first subset comprises image data sets that each includes at least one dedicated marker of the one or more markers and a second subset comprises at least one image data set that does not include the at least one dedicated marker. The method further comprises determining, from the image data sets, a position of the at least one dedicated marker in a 3D image coordinate system of a 3D reconstruction of the central volume with the object portion.

Abstract: A medical imaging system includes a medical imaging device to map a mapping region inside an examination object, the medical imaging device being designed such that a location of the mapping region is changable in respect of the examination object; and a processing device, including a data interface, to robotically position a medical object inside the examination object, via a movement device. In an embodiment, the processing device is configured to determine an instantaneous position of the medical object; specify a target position for the medical object, the target position being defined relative to the mapping region; determine one or more control signals, configured to cause a movement of the medical object via the movement device from the instantaneous position to the target position; and provide the one or more control signals, via the data interface, to the movement device.

Abstract: The present invention provides an ultrasonic guidance auxiliary device for a needle, including: a probe, used for emitting and receiving an ultrasonic signal for a tissue to be punctured-for-injection; a first mechanical arm, used for moving the probe to the tissue to be punctured-for-injection; a second mechanical arm, used for fixing a puncture needle, moving the needle to be close to the tissue to be punctured-for-injection, and then causing the needle to puncture the tissue to be punctured-for-injection; and a main unit, used for moving, according to controlling of the first mechanical arm, the probe to the tissue to be punctured-for-injection, wherein the probe emits and receives the ultrasonic signal. The main unit synthesizes an ultrasonic image through the ultrasonic signal transmitted by the probe, and the main unit at least calculates a puncture distance and a puncture angle between the needle and the tissue to be punctured-for-injection through the ultrasonic image.

Abstract: A method of calibrating an instrument for surgical intervention is provided. The instrument to be calibrated has a tip at a distal end thereof and a navigation array that is spaced from the distal end and is detectable in space. The navigation array has a fixed spatial and angular relationship with the tip. The method comprises the steps of: placing a calibrator on the tip of the instrument such that the tip is positioned within the calibrator at a known displacement from the centre of the calibrator, the calibrator having a circular shape and being detectable as a single point in space; detecting the position of the navigation array and the centre of the calibrator; and determining the position of the centre of the calibrator relative to the navigation array, thereby calibrating the position of the tip of the instrument relative to the navigation array. There is also provided a calibrator for use in such a method.

Abstract: A system and method for controlling the insertion of a medical tool, such as a needle, into a subject's body based on measurements of an interaction parameter associated with the interaction between the tool and a bodily tissue, such as the forces exerted on the tool during insertion. The system comprises an insertion device, at least one sensor configured to measure the interaction parameter and at least one processor configured to receive sensor measurements, detect one or more predefined patterns in the sensor measurements and control an operation of at least one of the insertion device and an imaging device, upon detecting the predefined patterns. The processor may be configured to compare the actual correlation between the sensor measurements and an insertion parameter, such as insertion depth, with an expected correlation, and determine if the medical tool is following its pre-planned trajectory based on the result of that comparison.

Abstract: In certain embodiments, the systems, apparatus, and methods disclosed herein relate to robotic surgical systems with built-in navigation capability for patient position tracking and surgical instrument guidance during a surgical procedure, without the need for a separate navigation system. Robotic based navigation of surgical instruments during surgical procedures allows for easy registration and operative volume identification and tracking. The systems, apparatus, and methods herein allow re-registration, model updates, and operative volumes to be performed intra-operatively with minimal disruption to the surgical workflow. In certain embodiments, navigational assistance can be provided to a surgeon by displaying a surgical instrument's position relative to a patient's anatomy.

Abstract: Methods and systems for instrument tracking and navigation are described. In one embodiment, a non-transitory computer readable storage medium has stored thereon instructions that, when executed, cause a processor of a device to at least receive position sensor data from at least one position sensor tracking an instrument positioned within a luminal network, determine a first estimated state of the instrument derived from the position sensor data, determine a second estimated state of the instrument based on the position sensor data and at least one other type of position data, determine a location transform based on the second estimated state and the first estimated state, adjust the first estimated state based on the location transform to determine a third estimated state of the instrument, and output the third estimated state of the instrument.

Abstract: An interface according to an embodiment may be arranged between a driver provided to a robotic arm and a manual surgical instrument. The interface includes: a driven unit to be connected to the driver and be driven by a driving force transmitted from the driver provided to the robotic arm; a manipulation portion to be driven by a driving force transmitted by the driven unit to manipulate an operation-target portion of the manual surgical instrument; and a surgical instrument holder configured to hold the manual surgical instrument in a state where the operation-target portion of the manual surgical instrument is positioned with respect to the manipulation portion.

Abstract: A method of aligning an imaging device in connection with robotic surgery includes causing a robot to position a reference target over a body of a patient; receiving image data from an imaging device; identifying, with an image processing algorithm, at least a first portion of an anatomical element in the image data; identifying, with a target detection algorithm, at least a first portion of a reference target in the image data; comparing a determined location of the imaging device, the reference target, and the anatomical element to yield a location determination and causing at least one of the robot to re-position the reference target or the imaging device to re-position.

Abstract: A joint device for a robotic surgery tool includes a yoke and two links movably coupled with the yoke. The yoke may include a circumferential base, forming a central opening and four cylindrical pivot bosses extending laterally from the base at ninety-degree intervals. A first link is movably coupled with a first set of two of the four cylindrical pivot bosses and extends from the yoke in a first direction, such that the first link pivots in a first plane relative to the yoke. A second link is movably coupled with a second set of two of the four cylindrical pivot bosses and extends from the yoke in a second direction, such that the second link pivots in a second plane orthogonal to the first plane. Thus, the joint device provides for movement in two opposed planes from one yoke.

Abstract: A surgical system for manipulating an anatomy includes a surgical tool, a robotic manipulator configured to support and move the surgical tool, and one or more controllers that activate a first virtual boundary delineating a first portion of the anatomy that is allowed to be removed by the surgical tool from a second portion of the anatomy that is protected from removal by the surgical tool. The one or more controllers control the robotic manipulator for enabling the surgical tool to perform bulk cutting of the first portion in relation to the first virtual boundary. The one or more controllers control the robotic manipulator for enabling the surgical tool to perform fine cutting of the second portion of the anatomy.

Abstract: A robotic system includes a base movable relative to a floor surface and a controllable arm extending from the base. The arm is configured to support and move a tool. The arm has a powered joint operable to position and/or orient the tool. The robotic system further includes a positioning indicator. A processor operates the positioning indicator to direct a manual repositioning of the base relative to the floor surface while the processor is operating the powered joint to maintain the position and/or orientation of the tool during the manual repositioning.

Abstract: Robotic surgical systems are provided. In one exemplary embodiment, a robotic surgical system includes an electromechanical arm, a motor housing, a tool shaft, an end effector, and an articulation actuation system. The tool shaft includes a central body and a joint assembly having master and slave joints. The end effector is configured to move in response to movement of the slave joint. The articulation actuation system is configured to act directly on the master joint without directly acting on the slave joint to move the master joint in at least one plane. The master and slave joints are operably coupled to each other such that movement of the master joint causes parallel movement of the slave joint while maintaining a position of a longitudinal axis of the central body of the tool shaft to thereby effect articulation of the end effector. Surgical systems and methods are also provided.

Abstract: A system includes an input control, an instrument, a memory storing instructions, and one or more processors coupled to the memory. A first axis of a first coordinate frame is defined along a length of the input control and is associated with an orientation of the input control. A second axis of a second coordinate frame is defined along a length of the instrument and is associated with an orientation of the instrument. When executing the instructions, the one or more processors perform steps including, while in a following state, receiving a first command corresponding to a rotation of the input control about the first axis, in response to the first command, generating a second command to rotate the instrument around the second axis without rotating the instrument around any axis orthogonal to the second axis, and controlling movement of the instrument according to the second command.

Abstract: An apparatus includes a housing, a cable guide, a first cable, and a second cable. The housing is coupled to a shaft of a medical instrument. The cable guide is coupled to the housing, and defines a shaft opening into a passageway defined by the shaft. A first guide groove and a second guide groove are defined by the cable guide, with each of the first guide groove and the second guide groove being splayed outward from the shaft opening. The first cable is routed within the first guide groove and through the shaft opening, and is configured to slide within the first guide groove. The second cable is routed within the second guide groove and through the shaft opening, and is configured to slide within the second guide groove.

Abstract: A surgical robot comprising a base and an arm extending from a proximal end attached to the base to a distal end attachable to a surgical instrument via a series of links interspersed by articulations. The arm comprises a receiver, a proximity sensor and a controller. The receiver is configured to receive data from the surgical instrument over a short-range wireless communications link with the surgical instrument. The proximity sensor is configured to detect the proximal presence of the surgical instrument. The controller is configured to respond to the proximity sensor detecting the proximal presence of the surgical instrument by enabling the short-range wireless communications link between the receiver and a transmitter of the surgical instrument to be established.

Abstract: A control arm assembly for controlling a robot system includes a gimbal that is moveable and rotatable about three axes, and a handle assembly coupled to the gimbal. The handle assembly includes a body portion having a controller disposed therein and a first actuator disposed thereon. The first actuator is mechanically coupled to the controller via a four-bar linkage such that actuation of the first actuator causes mechanical movement of a component of the controller which is converted by the controller into an electrical signal.

Abstract: Embodiments described herein provide various examples of a machine-learning-based visual-haptic system for constructing visual-haptic models for various interactions between surgical tools and tissues. In one aspect, a process for constructing a visual-haptic model is disclosed. This process can begin by receiving a set of training videos. The process then processes each training video in the set of training videos to extract one or more video segments that depict a target tool-tissue interaction from the training video, wherein the target tool-tissue interaction involves exerting a force by one or more surgical tools on a tissue. Next, for each video segment in the set of video segments, the process annotates each video image in the video segment with a set of force levels predefined for the target tool-tissue interaction. The process subsequently trains a machine-learning model using the annotated video images to obtain a trained machine-learning model for the target tool-tissue interaction.

Abstract: A torque transducer for mounting a motor includes a mounting flange, a motor flange, a body, and a strain gauge. The mounting flange is configured to secure the torque transducer to a fixed structure. The motor flange is configured to secure to a motor. The body interconnects the mounting and motor flanges. The body defines a channel about a longitudinal axis of the body and is configured to flex in response to the mounting flange and the motor flange rotating relative to one another in response to torque of the motor. The strain gauge is positioned on the body to measure flexation of the body.

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

Abstract: A camera and drape assembly for use with one or more tracking elements of a surgical system. The assembly includes a camera unit including a casing and a plurality of optical sensors supported by the casing for detecting the one or more tracking elements. The casing includes a base and a post extending from the base. The assembly also includes a drape having a flexible section for draping over the post of the casing to cover the casing and the optical sensors. The assembly also includes a collar to fit over the post to trap the flexible section of the drape between the collar and the post.

Abstract: A medical safety control apparatus that includes processing circuitry that obtains a surgical instrument-biological tissue distance, determine whether the surgical instrument-biological tissue distance is greater than a predetermined first restricted distance, in response to determining that the surgical instrument-biological tissue distance is not greater than the predetermined first restricted distance, issues an instruction for stopping a motion of an arm of a support arm apparatus that supports the surgical instrument, in response to determining that the surgical instrument-biological tissue distance is greater than the predetermined first restricted distance, determines whether the surgical instrument-biological tissue distance is greater than a predetermined second restricted distance, and in response to determining that the surgical instrument-biological tissue distance is not greater than the predetermined second restricted distance, issues a first instruction for restricting a motion speed of the arm

Abstract: An aerosol containment enclosure dimensioned to enclose a head of a patient comprising a plurality of panels to be folded or moved from an unfolded position to a folded position in order to form the aerosol containment enclosure to protect from expelled contaminated aerosol particles.

Abstract: Implementations relate to breakage detection of a tension element for a counterbalance mechanism. In some implementations, a tension element breakage detection mechanism includes a tension element, a moveable detection element contacting the tension element, and an actuator. The moveable detection element is biased by the tension element toward a first configuration in a range of motion of the moveable detection element. The moveable detection element is biased toward a second configuration in the range of motion of the moveable detection element by a force generated by the actuator on the moveable detection element. The breakage detection mechanism includes a sensor of a change of the moveable detection element from the first configuration to the second configuration, the change being in response to breakage of the tension element.

Abstract: A cranial anchor system configured to attach to an opening in a cranium includes an anchor member. The anchor member has a middle anchor portion and a lower anchor portion coupled to and disposed in a downward direction relative to the middle anchor portion. The lower anchor portion has a plurality of contact members, each of which have a leg that extends at least partially in the downward direction, a tab connected to the leg, and a rib disposed between the leg and the tab. The system further includes an outer sheath and an inner sheath disposed within the outer sheath and slidable relative to the outer sheath.

Abstract: A user-wearable fluorescence based visualization system comprising a multi-light lamp assembly that provides for the selected output of light using multiple light emitting sources, wherein the outputted light may be tailored to generate response wavelength by the interaction of the emitted light and a tissue illuminated by the emitted light, through the process of fluorescence, and a viewing system that allows a practitioner view the fluorescent light generated by the tissue, and distinguish between healthy and diseased tissues.

Abstract: A method, apparatus and computer program code for automatically planning at least a part of a surgical procedure to be carried out on a body part of a patient are described. A virtual model of the body part is provided, in which the model has data associated with it representing at least a part of a planned surgical procedure. The virtual model is then morphed to the body part using data derived from the patient's real body part thereby also adapting the part of the planned surgical procedure to reflect the anatomy of the patient's real body part.

Abstract: A device for cleaning a medical scope includes a container, a first tube, a second tube, a first nozzle, and a second nozzle. The container is configured to receive a first portion of the medical scope. The first tube and a second tube are configured to supply a liquid into the container for cleaning the first portion of the medical scope. Each tube is partially positioned within the container. A first nozzle is positioned at a first end of the first tube, and is configured to direct the liquid to a first crevice near an elevator of the medical scope. The second nozzle is positioned at a first end of the second tube, and is configured to direct the liquid to a second crevice near the elevator of the medical scope.

Abstract: An electrical toothbrush transmission connection structure includes a transmission shaft and a motor. The transmission shaft has a first sleeve at one end. The first sleeve has a first connection section. The motor has a rotary shaft. A second sleeve is disposed on the rotary shaft. The second sleeve has a second connection section. The first and second connection sections have corresponding cross-sectional shape and are correspondingly connected with each other so that the electrical toothbrush transmission connection structure has better transmission connection structure and effect.

Abstract: A tooth loosening device comprises a body having a tooth contacting portion connected to a handling portion. The tooth contacting portion has a tooth contacting member including one or more surfaces adapted to contact a tooth, and the handling portion includes a manipulation member. The tooth contacting portion can be inserted into a mouth having a tooth in need of loosening, and the manipulation member can position the tooth contacting member so that the one or more surfaces contacts the tooth in need of loosening. The tooth in need of loosening can then be loosened by manipulation of the tooth loosening device. A vibrating mechanism can also be provided to apply vibration to the tooth in need of loosening.

Abstract: Described is a customized removable cosmetic or aesthetic dental veneer that secures onto a row of teeth of a patient. The dental veneer may include a pair of rear portions that secure it onto the row of teeth, each rear portion positioned at a distal end of the veneer and having: buccal, occlusal and lingual sides for one or more rear tooth, and a front portion between the pair of rear portions that covers the buccal and occlusal surfaces of the teeth between the pair of rear portions but is free of a side that covers a majority of the lingual surface of any tooth of the row of teeth between the pair of rear portions. A slot and apertures may also be provided for occlusal portions of the rear teeth. Also described is a veneer without such rear portions, which may be used with an adhesive.

Abstract: Dental matrix bands with novel surface structures and use thereof in dental procedures are described herein. The matrix band features a three-dimensional surface structure that is contoured to an outer portion of a torus to allow the matrix band to securely fit around a tooth. The matrix band comprises: an outer surface of the matrix band; an upper and lower edge of the matrix band; a proximal and distal end of the matrix band; and a concave ridge disposed along the band. The outer surface of the band forms a first convex curve between the upper edge and the lower edge of the band and a second convex curve between the proximal and the distal end of the band. The concave ridge may extend between the upper edge and the lower edge of the band and between the proximal and distal ends of the band.

Abstract: A method of the invention comprises obtaining training dental CT scans, identifying individual teeth and jaw bone in each of these CT scans, and training a deep neural network with training input data obtained from these CT scans and training target data. A further method of the invention comprises obtaining a patient dental CT scan, identifying individual teeth and jaw bone in this CT scan and using the trained deep learning network to determine a desired final position from input data obtained from this CT scan. The (training) input data represents all teeth and the entire alveolar process and identifies the individual teeth and the jaw bone. The determined desired final positions are used to determine a sequence of desired intermediate positions per tooth and the intermediate and final positions and attachment types are used to create three-dimensional representations of teeth and/or aligners.

Abstract: Disclosed is a dental implant distractor, comprising an implant module and a traction module. The implant module comprises an implant, a sealing screw, and a base body. The traction module comprises a connecting screw rod, a traction screw rod, an inner sleeve, and an outer sleeve; the connecting screw rod is threadedly connected to the base body; the traction screw rod is located below the connecting screw rod; the inner sleeve is provided below the base body. This apparatus can automatically complete the installation of the base body and the sealing of the connecting screw rod after traction is completed; since the installation of the base body and the sealing do not need to be performed again, operation steps are simplified, the clinical operation difficulty is reduced, and the problem of slippage of an upper bone section to the original position is avoided.

Abstract: A method for imaging a region of interest of patient dentition acquires an intraoral scan and forms a 3D digital model of a first surface contour of patient dentition that includes the region of interest and acquires a physical impression that includes at least the region of interest. The method scans the physical impression and generates a second surface contour of the identified region of interest. The digital model is modified by combining a portion of the second surface contour with the first surface contour over the region of interest. The modified digital model is displayed.

Abstract: A machinable preform for shaping into dental restorations is described that comprises material having suitable strength for use in dental applications without requiring further processing after shaping to strengthen the material (such as sintering). In one embodiment, a preform is comprised of a machinable dental material having a Vickers hardness value in the range of 4 HV GPa to 20 HV GPa, and comprises a body and a stem that extends from the outer surface of the body that supports the body during shaping. A method for making the machinable preform, and a kit comprising a machinable preform and a grinding tool, are also described.

Abstract: The present disclosure relates to a nozzle fixing assembly and a water pick. The nozzle fixing assembly is configured to mount a nozzle having a limiting groove. The nozzle fixing assembly includes: a locking assembly including a housing provided with a first through hole and an elastic element connected to the housing; a support base including an elastic piece and a locking sleeve provided with a second through hole. An outer periphery of the locking sleeve is provided with a latching groove in communication with the second through hole. The nozzle extends through the first through hole and the second through hole and biases the elastic element, such that the limiting groove is aligned with the latching groove, the elastic piece is engaged in the limiting groove and the latching groove.

Abstract: The present invention discloses a toothbrush head and an electric toothbrush, wherein the toothbrush head is connected to the drive shaft of the toothbrush handle, and comprises a toothbrush head and a clamping piece. The toothbrush head comprises a brush end and a connecting end that are opposite to each other. The clamping piece is installed on the connecting end, and provided with an elastic arm and a clamping slot for clamping the drive shaft. One end of the elastic arm close to the brush end is a free end, and some part of the sidewall of the clamping slot is formed by the elastic arm. The elastic arm is further provided with a butting boss. The butting boss protrudes from the elastic arm into the clamping slot, and can be elastically butted with the drive shaft. The toothbrush head provided by the prevent invention can solve the technical problem that the toothbrush head on some existing electric toothbrushes is difficult to detach from the toothbrush handle.

Abstract: A chassis of an oral cleansing device is provided. The oral cleansing device may include a first chassis half including a first threaded portion, a second chassis half including a second threaded portion, and a nut threaded onto the first threaded portion and the second threaded portion to at least partially secure the first chassis half to the second chassis half. The threaded portions may be defined on respective ends of the first chassis half and the second chassis half. The nut may engage chamfered edges of the first chassis half and the second chassis half. Engagement of the nut with the first chamfered edge and the second chamfered edge may produce a radial compressive force on the chassis halves. The first chassis half and the second chassis half may at least partially define a chassis that is positioned within a handle of the oral cleansing device.

Abstract: In some embodiments, an oral appliance holder includes a horizontal base having upward extending side lips and configured to hold liquid; and one or more receptacles opening in a direction away from the horizontal base and configured to hold one or more oral appliances in a vertical configuration above the horizontal base. In some embodiments, a first set of vertical walls extend from the horizontal base and the one or more receptacles are disposed between the first set of vertical walls. A cover can be provided and configured to interface with the horizontal base to create a seal between the cover, the horizontal base, and the first set of vertical walls. The cover, when closed, forms an enclosure along with the horizontal base and the first set of vertical walls such that the oral appliance, when present, rests on the one or more receptacles while being encapsulated within the enclosure.

Abstract: A side-attachment cradle for veterinary surgical tables includes a platform, a first length-adjustable skirt, a second length-adjustable skirt, at least one first skirt-positioning mechanism, at least one second skirt-positioning mechanism, and a surgical-table adapter. The platform, the first length-adjustable skirt, and the second length-adjustable skirt enclose a holding area for securely holding an animal during necessary surgical procedures. The first skirt-positioning mechanism positions the first length-adjustable skirt by adjusting a first angle and a first offset-distance from the platform's central axis. The second skirt-positioning mechanism positions the second length-adjustable skirt by adjusting a second angle and a second offset distance from the platform's central axis, thereby changing the effective volume enclosed by the holding area. The surgical-table adapter allows the present invention to selectively fasten onto a conventional veterinary surgical table.

Abstract: The present invention relates to a surgical textile (1) comprising an arrangement of biocompatible yarns defining a first face (2) and a second face (3) of the textile, the second face opposite the first face, the textile being provided at least on an area of a surface of one of its faces with a plurality of barbs (4) showing substantially a first length L1, measured perpendicularly to that surface, characterised in that said area of said surface is further provided with a plurality of loops (5), said loops showing substantially a second length L2, measured perpendicularly to that surface, where L2 is greater than L1. The invention further relates to a process for manufacturing such a textile.

Abstract: A valve cover apparatus for use in a medical assembly including a prosthetic valve and a valve delivery apparatus. The valve cover apparatus includes a housing, a chamber disposed within the housing for receiving a prosthetic heart valve in an at least partially expanded state, a tapered surface defining a portion of the chamber, and a lock ring that is axially movable over at least a portion of the housing between a locked position and an unlocked position. The tapered surface is enables loading and/or guiding of the prosthetic heart valve from the chamber of the valve cover apparatus into a delivery sheath of the valve delivery apparatus and transition the prosthetic heart valve to a radially compressed state. The lock ring restricts movement of the valve cover relative to the delivery sheath when in the locked position, and enables movement of the valve cover when in the unlocked position.

Abstract: A vascular filter (1) comprises a proximal support hoop (3), a plurality of support struts (5), and a plurality of capture arms (6). The proximal support hoop (3) extends around the internal wall of the inferior vena cava in a wave pattern having six distal peaks (11) and six proximal peaks (11). The proximal support hoop (3) comprises an enlarged end element at each peak (11). The support struts (5) extend longitudinally along the internal wall of the inferior vena cava in a curve (14). Two capture arms (6) are connected to the proximal support hoop (3) at each distal peak (11). Each capture arm 6 extends from the distal peak (11) to an apex (7) in a curve (12, 13). The concave portion of the first curve (12) faces inwardly towards the concave portion of the second curve (13).

Abstract: A method of placing a ligament graft in a surgical procedure is described. A surgical system receives kinematic information related to a range of motion of a knee joint and registers one or more surfaces of a bony anatomy of the knee joint. The surgical system further generates a three-dimensional model of the knee joint. The surgical system determines a surgical plan including parameters of a graft tunnel based on the kinematic information and the three-dimensional model. A graft tunnel planning system is also described. A plurality of tracking markers are affixed to the patient's bones and a tracking unit captures their location through a range of motion of the patient's knee joint. A point probe captures the geometry of a bony surface of the patient. A computing module receives the location data and geometry data, and determines a surgical plan including parameters of a graft tunnel.

Abstract: Devices and systems adapted for at least one of storing a corneal device and positioning a corneal device onto target tissue.

Abstract: An intraocular lens (IOL) configured to support a first optic for functioning as a single lens IOL and configured to support a second optic for functioning as a dual optic IOL. The base includes a first optic for providing a base power. A recess in an anterior rim of the base is configured for positioning a radial extension of a second optic. The geometry of the recess is configured to securely couple to the radial extension to prevent rotation of the second optic relative to the base and prevent tilting of the second optic relative to an optic axis.

Abstract: Modular IOL systems including a base and a lens, wherein the lens includes tabs for connection to the base. The modular IOL allows for the lens to be adjusted or exchanged while leaving the base in place, either intra-operatively or post-operatively.