Abstract: The invention is a system for monitoring and controlling tissue ablation. The system includes a controller configured to selectively control energy emission from an electrode array of an ablation device based on ablation feedback received during an ablation procedure with the ablation device. The controller is configured to receive feedback data from one or more sensors during the ablation procedure, the feedback data comprising one or more measurements associated with at least one of operation of the electrode array of the ablation device and tissue adjacent to the electrode array. The controller is further configured to generate an ablation pattern for controlling energy emission from the electrode array of the ablation device in response to the received feedback data.

Abstract: A medical device including an elongate member having a proximal end configured to be electrically coupled to an energy source, and a distal member disposed at a distal end of the elongate member. The distal member may include a plurality of contact elements configured to deliver stimulating energy to innervated tissue, detect a response from the innervated tissue to the stimulating energy, and deliver therapeutic energy to the innervated tissue based on the response from the innervated tissue.

Abstract: High-frequency tools are used in medicine for manipulating body tissue, using an HF resectoscope. For electrical insulation of an electrode from an electrode support, the ends of the electrode are initially guided through ceramic tubes. These ceramic tubes are sensitive in particular to forces transverse to the longitudinal axis of the resectoscope. A high-frequency tool that has increased stability with respect to transverse forces. An electrode has two ends, which for establishing a connection to an electrode support are each insertable into a receiving opening of the ends of the electrode support, or positionable in front of the ends, and wherein the electrode is contacted in an electrically conductive manner, at least in the area of a receiving opening, with a conductor wire that is guided in the electrode support.

Abstract: A method and apparatus for ablating tissue are disclosed that comprise positioning two or more bi-directional ablation energy sources in spaced-apart relation in sufficient proximity to the tissue to be ablated so that, upon activation each energy source creates an energy field in the tissue to be ablated. The energy sources are spaced such that the energy fields created by at least one of the activated sources partially overlaps with the energy field created by one or more of the other energy sources. The energy sources are alternately activated and deactivated, so that a substantially constant energy field results where the energy fields created by at least two of the energy sources overlap. While the energy sources are preferably RE energy sources, other energy sources, such as microwave, may be used.

Abstract: A bipolar forceps includes a mechanical forceps including first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof for effecting movement of the jaw members relative to one another about a pivot. A disposable housing is configured to releasably couple to at least one of the shafts and an electrode assembly is associated with the disposable housing. The electrode assembly includes electrodes releasably coupleable to the jaw members. At least one of the electrodes includes a knife channel configured to receive a knife blade therethrough to cut tissue grasped between the jaw members. A switch is configured to initiate delivery of electrosurgical energy from the source of electrosurgical energy to the electrodes. An actuation mechanism is configured to selectively advance the knife blade through the knife channel to cut tissue.

Abstract: A surgical system includes a module for compiling a plurality of operational parameters of the surgical system during a plurality of treatment cycles performed by the surgical system. The module includes a processor and a memory unit, the processor configured to store in the memory unit values of the plurality of operational parameters associated with each of the plurality of treatment cycles, wherein the processor is configured to identify a subset of the stored values of the plurality of operational parameters temporally proximate to an intervening event.

Abstract: The present invention is a high resolution, multi-function, conformal electronics device generally having a flexible and stretchable, high-density electrode array, integrated with a catheter (e.g., balloon catheter) for mapping, ablating, pacing and sensing of cardia tissue associated with heart arrhythmias. The active sensing electrode array can acquire diagnostic information including electrical (e.g., electrograms), mechanical (e.g., strain measurements), impedance (e.g., resistance), metabolic (e.g., pH or NADH measurement) from the underlying heart tissue surface with which it is in contact. The electrode array may be designed to be of various sizes and shapes to conform to the targeted cardiac tissue architecture (e.g. atrial, ventricle, right ventricular outflow tract, coronary sinus, pulmonary veins, etc.) corresponding to the specific type of cardiac arrhythmia. The present invention can precisely locate the source of arrhythmia as described above and deliver therapy from the same electrode array.

Abstract: A catheter carries a position sensor in a distal, on-axis position in an irrigated ablation tip electrode. The tip electrode has a shell wall that defines a cavity through which fluid flows and exits via fluid ports formed in the shell wall. The cavity is sealed by an internal member extends into the cavity with a baffle portion and a distal portion. The distal portion safely houses the position sensor and the baffle portion diffuses and disperses fluid entering the tip electrode for a more uniform flow through the cavity. The distal portion is configured to provide an annular region that runs along the length of the tip electrode to better feed fluid to the more distal fluid ports on the tip electrode for more uniform cooling at all locations on the tip electrode.

Abstract: A microwave ablation device for treating tissue includes an inner conductor having a length and a distal end and configured to deliver energy, a wire extending adjacent the inner conductor and axially translatable relative thereto, the wire including a length and a distal end, a distal tip disposed in mechanical cooperation with the distal end of the inner conductor and the distal end of the wire, and an outer conductor including a distal end and defining a longitudinal axis, the outer conductor at least partially surrounding the inner conductor and the wire at least partially along their lengths. The distal tip is movable substantially along the longitudinal axis with respect to the outer conductor and relative movement of the distal tip towards the distal end of the outer conductor causes at least a portion of the inner conductor to move away from the longitudinal axis.

Abstract: An electrosurgical apparatus is provided. The electrosurgical apparatus includes a cannula insertable into a patient and positionable adjacent abnormal tissue. The electrosurgical apparatus includes a microwave antenna that includes a distal end having a radiating section receivable within the cannula and positionable within a patient adjacent abnormal tissue. The microwave antenna is adapted to connect to a source of electrosurgical energy for transmitting electrosurgical energy to the radiating section. A portion of the radiating section substantially encompasses a portion of the abnormal tissue and may be configured to apply pressure thereto. The microwave antenna is actuated to electrocautery treat tissue to reduce blood flow to the abnormal tissue.

Abstract: An ablation probe is provided. The ablation probe includes a housing that is configured to couple to a microwave energy source. A shaft extends distally from the housing and includes a radiating section at a distal end thereof. A sensor assembly is operably disposed on the housing and includes a pair of sensor contacts. One or more sensors are positioned adjacent the radiating section and extend along the shaft. The sensor(s) have a pair of sensor contact pads that are positioned on the shaft for contact with the pair of sensors such that during transmission of microwave from the radiating section into target tissue at least one electrical parameter is induced into the at least one sensor and detected by the pair of sensor contacts.

Abstract: A surgical probe includes a connection hub, an antenna assembly, and an outer jacket. The antenna assembly is coupled to the connection hub, extends distally from the connection hub, and includes a radiating portion coupled thereto at the distal end thereof. The radiating portion is configured to deliver energy to tissue to treat tissue. The outer jacket is coupled to the connection hub, extends distally therefrom, and is disposed about the radiating portion. The outer jacket includes a distal end member configured to be spaced-apart from the radiating portion a target axial distance. One or more of the couplings between the antenna assembly and the connection hub, the radiating portion and the antenna assembly, and the outer jacket and the connection hub defines a flexible configuration permitting axial movement therebetween to maintain the target axial distance between the radiating portion and the distal end member.

Abstract: A microwave ablation device including a cable assembly configured to connect a microwave ablation device to an energy source and a feedline in electrical communication with the cable assembly. The microwave ablation device further includes a balun on an outer conductor of the feedline, and a temperature sensor on the balun sensing the temperature of the balun.

Abstract: An optical device including an optical fiber having a longitudinal axis and an optical fiber core with a distal end having a distal terminating end configured to discharge a first laser energy in a first direction and a second laser energy in a second direction. The optical device also includes a fiber cap having an interior cavity and an opening to the interior cavity, where the distal end of the optical fiber core is received within the interior cavity through the opening. A cladding is included on the distal end of the optical fiber core between the optical fiber core and the fiber cap.

Abstract: Tissue and vessel treatment devices and respective methods are provided. Devices comprise a flexible treatment layer that comprises a plurality of operable elements configured to be activated to apply the treatment to the obstruction upon bending of the flexible treatment layer beyond a specified curvature threshold and to be de-activated upon a specified decrease of the bending. The treatment layer may comprise optical fiber(s) with the operable elements as emission regions that emit electromagnetic radiation from the core upon bending the optical fiber beyond a specified bending threshold. Devices may be configured as vessel sealing tips for surgical forceps, in which the treatment layer is configured to yield vessel welding and vessel cutting effects.

Abstract: Methods and systems are provided for multi-modality imaging. In one embodiment, a method comprises: receiving planning annotations of a pre-operative three-dimensional (3D) image of a subject; during an ultrasound scan of the subject, registering an ultrasound image with the 3D image; overlaying the planning annotations on the ultrasound image; and displaying the ultrasound image with the overlaid planning annotations. In this way, pre-operative planning by a physician can be readily used during intervention.

Abstract: A data processing method performed by a computer for judging implant orientation data representing an orientation of a first implant part relative to a first bone, the first implant part being part of an implant pair which further comprises a second implant part for a second bone, the implant pair being envisaged to be implanted in a patient.

Abstract: Implant orientation data representing a range of functional orientations of a first implant part relative to a first bone is determined. The first implant part is part of an implant pair to be implanted in an associated patient. The implant pair includes the first implant part and a second implant part. Second implant orientation data representing an orientation of the second implant part relative to a second bone is acquired. Implant shape data representing shapes of the first and the second implant parts is acquired. Activity data representing a desired activity of the associated patient is acquired. The desired activity has an associated original range of motion between the first bone and the second bone. The implant orientation data is determined based on the second implant orientation data, the implant shape data, and the activity data.

Abstract: Systems and methods for configuring a stereo-electroencephalography to target specific brain regions that are part of large scale neural networks responsible for neurological disorders are described. A hypothesis related to a large scale neural network responsible for a neurological disorder within patient's brain can be received. Coordinates for implantation of at least two depth electrodes in the patient's brain can be determined based on the hypothesis. Electrodes to be implanted can be selected for each of the coordinates. The electrodes can be designed and used to target these specific brain regions, including an insula electrode, a parietal-frontal electrode, a hippocampo electrode, and a perisylvian electrode. A visualization that includes the coordinates and the selected electrodes can be displayed, so that a surgeon can implant the selected electrodes into the patient's brain according to the coordinates to test the hypothesis.

Abstract: A system and method for performing a procedure is disclosed. The procedure may include preparing one or more bones for a prosthetic implant. The method may include provide instructions to a user for using identified instruments to perform a procedure. Instructions and may be provided for settings of adjustable instruments.

Abstract: Disclosed are various advanced methods, devices, and systems for implants, tools and techniques that facilitate the surgical repair of a knee joint while allowing retention of more natural kinematics and preserving controlled rotation and translation of the repaired joint.

Abstract: Systems and methods are disclosed for correcting for artificial deformations in anatomical modeling. One method includes obtaining an anatomic model; obtaining information indicating a presence of an artificial deformation of the anatomic model; identifying a portion of the anatomic model associated with the artificial deformation; estimating a non-deformed local area corresponding to the portion of the anatomic model; and modifying the portion of the anatomic model associated with the artificial deformation, based on the estimated non-deformed local area.

Abstract: The invention relates to an apparatus for determining a relation between a surface motion of a body (BD) and an object motion of an object (OB) within the body (BD). The apparatus comprises a first sensing unit configured to acquire a first position signal indicative of a position of a first element placed at the location on the surface of the body with the surface motion; a second sensing unit configured to acquire a second position signal indicative of a position of a second element attached to an interventional device and placed on or in the object, wherein the first position signal and the second position signal are acquired during a given duration synchronously; and a third unit for calculating the relation between the surface motion and the object motion based on the first position signal and the second position signal. The invention also relates to a corresponding method for determining the motion relation.

Abstract: A method of registering sets of anatomical data for use during a surgical procedure is provided herein. The method may include segmenting a set of first modality image data representing a model of one or more passageways within a patient and generating a first set of points based on the segmented set of first modality image data representing the model of the one or more passageways. The method may further include determining a set of matches between a second set of points and the first set of points, wherein the second set of points is obtained by a second modality and discarding a subset of the set of matches based on a first heuristic to generate a modified set of matches. The second set of points may then be moved relative to the first set of points based on the modified set of matches.

Abstract: Provided is a reference array holder, including a first segment configured to be mounted to a reference structure, and a second segment supporting a reference array having at least one tracking marker, wherein the second segment is movably coupled to the first segment via at least one coupling, and wherein the at least one coupling includes a sensor that provides information as to the spatial position of the second segment relative to the first segment. Also provided is tracking and/or navigation system including such reference array holder and to a computer implemented method of controlling a reference array holder.

Abstract: Disclosed is a navigation system with a remote visualization element for navigating in remote spaces in medical and non-medical applications using multiple imaging modalities, including direct visualization.

Abstract: It is disclosed a device for determining an axis joining origins of two reference systems of a rigid body. The device comprises first and a second inertial sensors constrained to the rigid body and for defining the first and second reference systems. The device comprises a processing unit comprising an acquiring module of first data of angular velocities and second data of linear accelerations of the rigid body, a first module for calculating third data of angular accelerations of the rigid body as a function of the first acquired data, a second module for calculating a relative orientation between the first and the second reference system as a function of the first data, a third module for calculating a vector joining origins of the first and second reference system, wherein the primary direction of the primary vector is representative of the axis joining the origins of the two reference systems.

Abstract: Disclosed are systems, devices, and methods for navigating a tool inside a luminal network. An exemplary method includes receiving image data of a patient's chest, identifying the patient's lungs, determining locations of a luminal network in the patient's lungs, identifying a target location in the patient's lungs, generating a pathway to the target location, generating a three-dimensional (3D) model of the patient's lungs, the 3D model showing the luminal network in the patient's lungs and the pathway to the target location, determining a location of a tool based on an electromagnetic (EM) sensor included in the tool as the tool is navigated within the patient's chest, displaying a view of the 3D model showing the determined location of the tool, receiving cone beam computed tomography (CBCT) image data of the patient's chest, updating the 3D model based on the CBCT image data, and displaying a view of the updated 3D model.

Abstract: A method of maintaining patient registration in surgical navigation includes: obtaining a patient position in a tracking system frame of reference, based on a fiducial marker array affixed in a first position relative to the patient; receiving an initial surface scan depicting the patient and the fiducial array; responsive to receiving an intraoperative image depicting the patient: obtaining a position, in the tracking system frame of reference, of the fiducial array affixed in a second position relative to the patient; receiving a secondary surface scan depicting the patient and the fiducial array; detecting a deviation in a position of the fiducial marker array relative to the patient between the initial and secondary surface scans; and applying the deviation to the position of the patient to generate an updated position of the patient in the tracking system frame of reference, based on the fiducial array affixed in the second position.

Abstract: A system for tracking at least one bone in robotized computer-assisted surgery, comprises a processing unit and a non-transitory computer-readable memory communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for: obtaining backscatter images of the at least one bone from a tracking device in a coordinate system; generating a three-dimensional geometry of a surface of the at least one bone from the backscatter images, the three-dimensional geometry of the surface being in the coordinate system; determining a position and orientation of the at least one bone in the coordinate system by matching the three-dimensional geometry of the surface of the at least one bone to a three-dimensional model of the bone; controlling an automated robotized variation of at least one of a position and orientation of the tracking device as a function of a processing of the backscatter images; and continuously outputting the position and orientation of

Abstract: The insertion unit support system is provided for a tubular insertion system, and generates lumen information including the shape and location of a lumen based on the pre-acquired information about the lumen of a subject as an observation target that includes image information of two- or higher dimensional images, i.e., three-dimensional images or three-dimensional tomograms, so that the lumen information is used as support information for inserting the insertion unit of an endoscope. The lumens of the subjects targeted for the support of the insertion unit support system may vary in shape and location, and are deformed according to the shape of an inserted insertion unit. Thus, the support information is corrected and updated based on the deformation.

Abstract: A shape sensing enabled instrument includes a flexible guide wire or support rod including an outer surface which encapsulates interior features. The interior features include an optical fiber lumen (105) configured to receive one or more optical fibers for optical shape sensing, and a guide wire support rod or the support rod forming a hollow extending longitudinally along the instrument. The guide wire support rod or the support rod is configured to receive the optical fiber lumen therein to permit rotation and translation of an optical fiber and to protect the optical fiber.

Abstract: A robotic surgery method for cutting a bone of a patient includes characterizing the geometry and positioning of the bone and manually moving a handheld manipulator, the handheld manipulator operatively coupled to a bone cutting tool having an end effector portion, to cut a portion of the bone with the end effector portion. The handheld manipulator further comprises a manipulator housing and an actuator assembly movably coupled between the manipulator housing and the bone cutting tool. The method further includes causing the actuator assembly to automatically move relative to the manipulator housing to maintain the end effector portion of the tool within a desired bone cutting envelope in response to movement of the manipulator housing relative to the bone.

Abstract: A mechanically ungrounded master control device comprises a rigid chassis for engagement with one or more fingers of a user's hand and at least one pivotable finger engagement device for controlling movement of a tool end effector. The control device also includes at least one sensor for detecting a position and orientation of the rigid chassis in a surgical environment and a switch coupled to the rigid chassis and manipulatable by a finger of the user's hand while another finger of the user's hand is engaged with the at least one pivotable finger engagement device.

Abstract: A stereotactic device of the present disclosure includes a base seat, a first moving module, a second moving module, a supporting module, and an operating module. The first moving module is disposed on the base seat and moves along a first direction, and the second moving module is disposed on the first moving module and moves along a second direction substantially perpendicular to the first direction. The supporting module is disposed on the second moving module and includes a supporting unit, and a grip unit that is disposed on the supporting unit. The operating module is disposed on the supporting module and includes a support unit, a rotating unit that is disposed on the support unit, a driving unit that is disposed on the support unit and that is co-movable with the rotating unit, and a sliding unit that is co-movable with the driving unit.

Abstract: A medical observation apparatus includes: a microscope; a support that movably supports the microscope, and includes plural arm portions and plural joint portions each of which connects two of the arm portions and rotatably holds one of the arm portions around a predetermined shaft portion with respect to the other of the arm portions; and one or plural cables inserted into an interior of the support. The shaft portion has a cylindrical shape into which the one or the plural cables can be inserted. A joint portion, of the plural joint portions, that connects two arm portions in which extending directions are orthogonal to each other includes a rotating portion rotatable according to rotational power of the shaft portion, and a restraining portion positioned where a central axis thereof is offset from a central axis and that is capable of restraining rotation of the rotating portion.

Abstract: A cordless wireless and mobile display system having an integrated system for delivering uninterrupted power to a display is described. The cordless wireless and mobile display includes wireless capabilities that allows it to receive and transmit information from associated medical devices and to send data to other designated devices. A battery assembly includes a primary and secondary battery that supplies uninterrupted power to a display. Sensors periodically sample the power output from the battery in current use to ensure that enough power is available to the display. When sensors detect power output levels have fallen below a preset value, indicators alert users that the system is switching to a backup power supply and that the primary battery supply needs recharging.

Abstract: Methods and systems are provided herein for a surgical optical system having a heads up display including, in accordance with various embodiments, an optical device, an image sensor optically coupled to the optical device to acquire image data from a field of view of the optical device, and a display device configured to display an acquired image representing the image data acquired by the image sensor.

Abstract: A holding apparatus, in particular a holding arm and/or tripod, for medical purposes, comprises a proximal end for attaching the holding apparatus to a base and a distal end for receiving an add-on device; at least one first and one second arm segment, wherein the first arm segment is connected to a first joint and the second arm segment is connected to a second joint, wherein each joint is releasable and lockable; an operating device for releasing and/or locking the respective joint for putting the holding apparatus into a desired pose; and a first display unit which is arranged on the first joint and a second display unit which is arranged on the second joint. The first and/or second display unit is configured to display at least one status of the holding apparatus and/or of an add-on device that is different from the releasing and/or locking of the respective joint. The invention further relates to a method.

Abstract: A dental valve device having a disposable turret is disclosed having a valve body having a tip receiving end, a hose receiving end, a lumen formed between the tip receiving end and the hose receiving end, an opening formed in the valve body, and a rotatable valve sealing body adapted to being inserted into the opening, the rotatable valve sealing body having a bore for alignment with the lumen formed between the tip receiving end and the hose receiving end, the bore having a tip receiving end opening and a hose receiving end opening, the rotatable valve sealing body having an outer surface having an indentation formed in the outer surface adjacent to the tip receiving end opening with the indentation having an upper ramp portion, a lower ramp portion, and an end having a tab portion.

Abstract: A device for guiding a dental-surgical hollow bur during a bone extraction, having a template that can be fixed in the region of a extraction point and having at least one guiding means arranged on the template, wherein the guiding means guides the hollow bur such that only a portion of the distal edge of the hollow bur can be brought into contact with the bone. Furthermore, a method for producing such a device is specified.

Abstract: A dental instrument includes at least one removable or replaceable dental tip. The dental instrument includes a spring actuated collet and collar housed internally within a handle. The handle includes a handle center affixed to a center rod and a grip portion housing the collet and collar and a handle center affixed to a center rod. The center rod is affixed to the collet. The collet includes spring fingers that are biased radially inward by the collar to retain the dental tip. When the grip portion of the handle is rotated about a longitudinal axis of the handle relative to the handle center, camming surfaces associated with the grip portion and the handle center cause translational movement along the longitudinal axis to engage or disengage the collar from the collet.

Abstract: A system and method for fabricating dental crowns and bridgework includes the steps of: selecting one or more prototype teeth; forming a mold around the prototype teeth using a soft flexible material; placing the mold within a model of a patient's teeth; pressing the uppers and lowers of the model together to establish the bite; removing the prototype teeth from the mold; adding wet porcelain to the inside walls of the mold and vibrating the mold to create the incisal; adding wet porcelain to create the body; pressing framework into the uncured body; vibrating the mold and removing moisture; allowing the porcelain to dry and removing the molded porcelain crown or bridgework from the mold; trimming off excess porcelain and adding porcelain to the margin area as needed; baking the crown or bridgework in an oven and removing when half cured; and carving and shaping the half cured porcelain.

Abstract: The present invention relates to an image processing method for orthodontic planning, a device and a recording medium therefor. The image processing method according to the present invention corrects the patient image to be horizontal and provides grids for analyzing the facial symmetry of the patient. According to the method, it decreases time for processing the patient image and inconvenience of the user and it helps to make the orthodontic plan considering the symmetry.

Abstract: The invention relates to an instruction for producing all orthodontic apparatuses and/or orthodontic aids which are required during the entire duration of an orthodontic treatment, wherein the arrangement comprises a device for digitally recording a tooth region to be treated orthodontically, a data processing unit and at least one 3D printer unit, wherein the data processing unit controls the at least one 3D printer unit and is or can be connected to the device for digital recording of a tooth region to be treated orthodontically. The invention further relates to a device for producing all orthodontic apparatuses and/or orthodontic aids, in particular a rapid prototyping printer. The invention further relates to a method for producing all orthodontic apparatuses and/or orthodontic aids which are required during the entire duration of an orthodontic treatment. The invention further relates to a device for indirect adhesion of orthodontic apparatuses.

Abstract: A masticatory orthodontic device includes a masticatory unit with a rigid body. The masticatory unit is configured to be removably worn on a dental arch, wherein when worn during mastication, the shape of the masticatory unit is maintained even under a stress from occlusal forces. The masticatory unit includes a teeth-receiving surface with several recesses for accommodating teeth of the dental arch. A shape memory mesh is disposed between the teeth-receiving surface and the dental arch, configured to remember the shape of the teeth in target teeth positions to guide teeth movements from initial teeth positions toward the target teeth positions. A buffering member is disposed between the teeth-receiving surface and the shape memory mesh. Occlusal forces loading on the masticatory unit are transmitted to the shape memory mesh and the teeth through the buffering member, to achieve teeth movements in the recesses.

Abstract: The disclosure relates to an orthodontic system and treatment method, including an arrangement of orthodontic brackets against the patient's teeth such that the depth of the respective archwire slots of the brackets generally increases from the anterior teeth moving toward the posterior teeth. The gradual increase of the archwire slot in the bracket arrangement provides for finer control over the movement of the anterior teeth, while providing sufficient control and freedom of movement for the posterior teeth.

Abstract: An orthodontic appliance for pushing the mandibular jaw relative to the maxillary jaw in response to jaws being closed is described. The orthodontic appliance includes a first member and a second member separated from the first member when jaws are open. The first member is fixedly attached to one of mandibular or maxillary dental arches, and the second member is rotatingly coupled with the other one of mandibular or maxillary dental arches. The first member includes a first surface and a second surface where in the second surface is extended from the first surface. The second surface is approximately parallel with the occlusal surfaces of teeth. The second member includes a first arm and a second arm where in the first arm and a second arm are formed, as an integral part of a rigid body. First member and second member are attached to molar teeth on mandibular or maxillary jaws to put them in vertical alignment.

Abstract: A coping for intraoral scanning or impression molding that includes a snap-in retention capability for engagement with a dental implant having a first engagement section. The second engagement section is configured for a snap-in or frictional fit with the first engagement section to releasably secure the coping to the implant.

Abstract: A device is provided for determining the angulation of an abutment for a dental implant. The device includes a conical projection extending from a housing. The conical projection is adapted for insertion into a hole in the dental implant. A rotary body is disposed in the housing and is rotatable among a plurality of different angular positions relative to the conical projection. A rod-shaped indicator is connected to the rotary body. The rotary body can be secured to the housing in one of the angular positions by a locking device. The device may be part of an assembly that includes an indicator device having a receiving opening for accommodating the conical projection and an indicator scale that includes a plurality of marked sectors corresponding to a plurality of predefined abutments, respectively. The location of the rod-shaped indicator relative to the marked sectors indicates the predefined abutment that should be selected.