Abstract: The present teachings relate generally to a medical flexible needle assembly (10), comprising a needle portion (20) disposed at a distal end (12) of the assembly; a stiff portion (30) disposed at a proximal end 14 of the assembly; an flexible portion disposed between and interconnecting the needle portion and the stiff portion, including a flex distal portion (42), a flex proximal portion (44); and a jacketing member (50) disposed about the assembly (10) over at least part of the flexible portion (40); characterized in that the jacketing member (50) includes one or more coupled regions (60) and one or more decoupled region (70), wherein in at least one or more of the one or more coupled regions (60) are located proximally, distally, or both of the flexible portion (40).

Abstract: The present disclosure refers to an implant needle (1) for introducing an implant into a body of a patient, comprising a receiving portion configured to receive an implant and provided in a hollow needle main body (2), and a taper-shaped tip portion (3). The taper-shaped tip portion (3) is further comprising: a first slant surface (14a) contiguous to a first outer peripheral surface (15) of the hollow needle main body (2), wherein the first slant surface (14a) is provided as a first non-cutting edge; a second slant surface (16a) contiguous to a second outer peripheral surface (17) of the hollow needle main body (2), wherein the second slant surface (16a) is provided as a second non-cutting edge; and a pair of sharpened surfaces (9a, 9b) symmetric with respect to an edge point (10) and a longitudinal axis (13) of the needle main body (2), wherein the sharpened surfaces (9a, 9b) are both provided with a cutting edge.

Abstract: Deployment devices include a locking mechanism configured to secure a medical device to the deployment device. Methods of operating a deployment device include securing a medical device positioned at least partially within at least one cannula of the deployment device with a locking mechanism and releasing the medical device and securing at least a portion of the at least one cannula of the deployment device with the locking mechanism.

Abstract: Uterine lavage devices and methods are described. A uterine lavage catheter device for recovering oocytes or blastocysts from a human uterus may include a seal element configured to provide a sealing surface against the exterior cervical ostium, a supply lumen extending from the seal element and configured to supply lavage fluid, a nozzle configured to generate a spray pattern, and a return lumen.

Abstract: The present invention discloses a spinal surgical instrument and a method of guiding thereof. The spinal surgical instrument is operated with a precedent device. The precedent device includes at least one guiding unit. The spinal surgical instrument includes an operating element, an extending element, a handling element and a guide element. One end of the extending element connects to the operating element. The other end of the extending element connects to the handling element. The guide element is disposed on the extending element and includes at least one guide hole. The operating element is guided to the precedent device by the passing of the guide hole along the guiding unit.

Abstract: The present disclosure describes a spinal fixation system comprising a telescoping spinal rod, as well as methods of its use and a guide tower for use therewith. The telescoping rod can be extended after it has been inserted into the patient below the fascia, which permits it to be extended in the sub-fascial space.

Abstract: An orthopedic device has a configuration that employs a scalloped profile that defines internal scalloped edges having troughs and crests that extend substantially along the outer edge of a head of the device. The troughs and crests interface with a series of troughs and crests around the openings in the device. Each of the openings includes an outwardly extending slot that permits the opening to expand and contract outward as the head of the anchor is rotated. This enables an anti-backout feature that prevents or substantially inhibits undesired rotation and backout.

Abstract: A coupling assembly for coupling a rod to a bone anchoring element is provided, wherein the coupling assembly includes a receiving part having a first end, a second end, a central axis extending through the first end and second end, an accommodation space for accommodating a head of an anchoring element, a bore extending from the accommodation space to the first end, and a recess for receiving a rod. The accommodation space has an opening at the second end sized to permit insertion of a head of the bone anchoring element. The coupling assembly further includes a retainer element configured to be positioned at least partially in the accommodation space and being radially expandable and/or compressible to allow retaining a head inserted through the opening. The retainer element is held in position adjacent the opening by an engagement structure provided at or in the accommodation space.

Abstract: An intramedullary nail system is provided with at least one resilient, elongate nail body configured to extend axially along a medullary bone cavity, and at least one bone anchor. The bone anchor includes a distal bone engagement portion configured to secure the anchor to a bone, a proximal nail engagement portion configured to receive a portion of the nail body therethrough, and a tightening mechanism configured to move from a movable state in which the nail body may slide axially and rotate through the engagement portion and a fixed state in which the nail body is prevented from moving relative to the engagement portion. Methods of use and surgical kits are also provided.

Abstract: A method and apparatus for changing a configuration of a bone. The method includes the steps of: fixing a first part of a bone plate to the bone at a first location; securing a guide assembly in an operative position in relationship to the bone; engaging a bone part moving assembly with the bone at a second bone location spaced from the first bone location; cutting the bone to define first and second bone sections and so that the bone part moving assembly engages the second bone section and the first bone location is on the first bone section; relatively repositioning the first and second bone sections into a desired relationship and thereby causing a part of the bone part moving assembly to move guidingly, together with the second bone section, in a controlled path; and fixing the first and second bone sections in the desired relationship.

Abstract: A method of changing a configuration of a bone by placing a bone plate and a spacing assembly in a cutting state wherein: a) the bone plate is connected to the bone and overlies a surface of the bone; and b) the spacing assembly cooperates between the bone plate and bone so as to maintain a gap region. A cutting instrument is used to cut into the bone towards the gap region and at least substantially through the bone between first and second bone portions. After cutting into the bone, the bone plate and spacing assembly are changed from the cutting state into a second state. An apparatus allows performance of the method.

Abstract: The present disclosure relates to single tooth or full arch dental restoration. In cases where patients have insufficient bone stock for conventional root-form dental implants, current solutions often fail to restore function. The present disclosure describes a transalveolar dental implant for single tooth or full arch dental restoration. The transalveolar dental implant is comprised of a post and a bone plate, the bone plate having a contoured portion fabricated to match the topography of a bony surface of the facial skeleton. Through primary fixation of the contoured portion of the bone plate, the transalveolar dental implant improves function and outcomes in affected patients.

Abstract: A fixation assembly for securing parts of a sternum is provided. The assembly comprises a flexible elongated member and an attachment member. The flexible elongated member includes a locking structure configured to secure the flexible elongated member in a loop around the sternum parts. The attachment member has at least one opening for receiving a bone fastener and is coupled to the flexible elongated member.

Abstract: The present invention relates generally to implants used in medical procedures such as bone fixation or fusion. More specifically, this application relates to fenestrated implants used in bone fixation or fusion.

Abstract: A spinal plate assembly comprising a base plate defining an opening adjacent at least one aperture for receiving a bone screw which attaches to spinal vertebrae. The aperture includes a seat and an annular groove having an end wall. The assembly comprises a locking mechanism having a split ring partially recessed within the annular groove and moveable between a locked condition partially blocking the aperture for retaining the screw in the seat and an unlocked condition radially deformable into the annular groove for permitting screw removal. The split ring has a proximal end and a distal end. The distal end is configured to engage the end wall of the annular groove. The locking mechanism comprises a rotating member retained within the opening of the base plate and having a notch configured to engage the proximal end of the ring to drive the ring toward the unlocked condition.

Abstract: A bone material dispensing device is provided. The bone material dispensing device comprises a housing having a proximal end, a distal end, and a longitudinal axis. The proximal end has a first opening and the distal end has a second opening. The first opening and the second opening are configured to slidably receive at least a portion of a plunger. A tubular member is provided that is pivotably connected to the housing and is configured for lateral movement relative to the longitudinal axis of the housing. The tubular member comprises a proximal opening, a distal opening and a channel disposed therebetween. The proximal opening, the distal opening and the channel of the tubular member are configured to receive at least the portion of the plunger. The tubular member is movable in a first position to align the proximal opening of the tubular member with the second opening of the housing to allow the tubular member to receive at least the portion of the plunger to dispense the bone material.

Abstract: A bone material dispensing device is provided. The bone material dispensing device comprises a housing having a proximal end, a distal end, and a longitudinal axis. The proximal end having a first opening and the distal end having a second opening. The first opening and the second opening configured to slidably receive at least a portion of a plunger. A locking member is provided that is pivotably connected to an upper surface of the housing and extends adjacent to the upper surface of the housing. The locking member comprises a locking surface extending adjacent to the distal end of the housing configured to engage a portion of a tubular member, a funnel, or a combination thereof. The locking member is movable in a locking position to lock the portion of the tubular member, the funnel, or the combination thereof with the housing. A bone material dispensing system and a method of implanting bone material with the bone material dispensing system are also provided.

Abstract: The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver is adapted to removeably receive an elongated tool bit. The elongated tool bits correspond to the screw heads of different manufacturers and comprises a torque limiting and locking spring assembly to secure the elongated tool bit to the driver shaft and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be.

Abstract: Methods for treating eating disorders and for reducing a risk associated with developing an eating disorder in patients via therapeutic renal neuromodulation and associated systems. Renal sympathetic nerve activity can be attenuated to improve a patient's eating disorder status or risk of developing an eating disorder. The attenuation can be achieved, for example, using an intravascularly positioned catheter carrying a therapeutic assembly configured to modulate the renal sympathetic nerve.

Abstract: A cryogenic balloon catheter system includes an inflatable balloon, a handle assembly and a pressure sensor. The inflatable balloon has a balloon interior. The pressure sensor senses a balloon pressure within the balloon interior. In various embodiments, the pressure sensor can be positioned within the balloon interior, within the handle assembly and/or between the inflatable balloon and the handle assembly. The cryogenic balloon catheter system also includes a controller that receives a sensor output from the pressure sensor. The controller can control injection of a cooling fluid to the balloon interior and/or removal of the cooling fluid from the balloon interior based upon the sensor output. The cryogenic balloon catheter system can also include an injection proportional valve, an exhaust proportional valve, an injection flow sensor and/or an exhaust flow sensor.

Abstract: Aspects of the present disclosure are presented for a surgical instrument for cutting and sealing tissue. In some embodiments, the surgical instrument includes a handle assembly, a shaft, and an end effector. The end effector may include: a blade that vibrates at an ultrasonic frequency, a shielded portion enclosing a back edge of the blade, a high-friction surface coupled to the shielded portion and positioned between the shielded portion and the back edge of the blade. A space is defined between the high-friction surface and the back edge of the blade when the end effector is in a cutting configuration. In a sealing configuration, the high-friction surface contacts the back edge of the blade, which generates heat based on ultrasonic vibrations of the blade rubbing against the high-friction surface. The shielded portion can coagulate bleeding tissue based on heat transfer from the high-friction surface to the shielded portion.

Abstract: An energy delivery probe is provided that may include any of a number of features. One feature of the energy delivery probe is that it can apply energy to tissue, such as a prostrate, to shrink, damage, denaturate the prostate. In some embodiments, the energy can be applied with a vapor media. The energy delivery probe can include a vapor delivery member configured to extend into a transition zone prostate tissue. A condensable vapor media can be delivered from the vapor delivery member into the transition zone tissue, wherein the condensable vapor media can propagate interstitially in the transition zone tissue and be confined in the transition zone tissue by boundary tissue adjacent to the transition zone tissue. Methods associated with use of the energy delivery probe are also covered.

Abstract: Electrosurgical systems and methods include a generator which is operable to connect to an electrosurgical device and to identify the electrosurgical device. The generator automatically determines at least one device specific operational parameter for carrying out the electrosurgical procedure. In an exemplary embodiment, a generator includes a fluid pump and the generator automatically determines a candidate flowrate at which to operate the pump based on the type of device. The device specific operational parameter may be selected or modified by the operator prior to commencing the procedure.

Abstract: A forceps includes a housing having one or more shaft members extending therefrom configured to support an end effector assembly at a distal end thereof. The end effector includes first and second pivotable jaw members each having first and second plates associated therewith. The first plates of the first and second jaw members are adapted to connect to an electrosurgical generator such that, upon activation thereof, the first plates energize tissue disposed therebetween. A knife assembly is operably associated with the housing and is configured to advance a knife through a knife channel defined through the first and second plates.

Abstract: A surgical forceps comprising: a first working arm and a second working arm configured to move towards and away from each other; and an electromagnetic latching system; wherein the electromagnetic latching system is configured to create a force that is in a direction aligned with closing of the forceps or opposite to the closing of the forceps when an electromagnetic activation button is depressed.

Abstract: An electrosurgical instrument is provided that captures, compresses, fuses and cuts tissue between upper and lower jaws connected to pivotably movable handles. The instrument includes a force and over compression regulation mechanism that is configured such that in a clamped configuration, the jaws delivers a gripping force between the first jaw and the second jaw between a predetermined minimum force and a predetermined maximum force.

Abstract: An electrosurgical instrument (1) includes a first shaft member (110) pivotably coupled to a second shaft member (120), and a trigger (184) disposed on the second shaft member (120). The first and second shaft members (110,120) respectively include first and second handle members (130,140), and first and second jaw members (150,160). The first and second shaft members (110,120) define a longitudinal axis extending through a pivot, and first and second pivot axes that are substantially orthogonal to each other and the longitudinal axis. At least one of the first or second handle members (130,140) is pivotable about the first pivot axis to move the first and second jaw members (150,160) to an open position, a grasping position, or a sealing position. The trigger (184) is movable to pivot at least one of the first or second shaft members (110,120) about the second pivot axis to laterally displace the first and second jaw members (150,160) relative to each other to a cutting position.

Abstract: A surgical instrument includes a housing, an elongated member that extends distally from the housing and defines a longitudinal axis, an end effector assembly coupled to a distal portion of the elongated member, and a stopper assembly operably coupled to the proximal portion of the outer shaft member. The stopper assembly is disposed within one or more cavities defined within the housing. The stopper assembly is configured to prevent longitudinal movement of the outer shaft member along the longitudinal axis and to rotate within the one or more cavities upon rotation of the elongated member about the longitudinal axis.

Abstract: An electrosurgical medical device may include an elongate needle that is delivered to a gastrointestinal tract of a patient and inserted through the gastrointestinal wall and into a cyst. Fluid within the cyst may be aspirated through a lumen of the needle. The cyst may then be filled with conductive fluid by delivering the conductive fluid through the needle lumen. Radio frequency energy may then be delivered to the needle and transferred to the cyst to ablate the cyst. A handle assembly of the electrosurgical medical device may communicate the cyst and conductive fluids to and from the needle lumen, as well as communicate radio frequency energy to the needle and a temperature signal generated by a thermocouple. An electrical cable assembly adapted to communicate both the radio frequency energy and the temperature signal may be removably connectable with the handle assembly.

Abstract: An endoscopic vessel harvester cuts and cauterizes side branches from a target vessel using a cutter member that extends at a distal end of an insertion member. The cutter member has a plate defining a slit for receiving a side branch. A cutting electrode is disposed at a base of the slit and a pair of grounding electrodes are each mounted to an outer surface of the plate on opposite sides of the slit. Each grounding electrode has a raised longitudinal ridge adjoining a portion of the slit including the base of the slit and has a spot cautery wing extending laterally away from the slit with a surface configured to engage a surface of the tunnel. The longitudinal ridges each have an upright jamb surface configured to contact the side branch remotely from the cutting electrode so that it is unnecessary to make a grounding contact on the tunnel.

Abstract: An ablation system for treating tissue in a patient's body includes an energy source, one or more probes connected to the energy source, and a controller communicatively coupled to one or more probes. Each of the probes includes an elongate member having a distal region with an electrically non-conductive outer circumferential portion and a proximal region. The probes further include an electrically conductive energy delivery device extending distally from the electrically non-conductive outer circumferential portion. The controller includes one or more processors and one or more memory devices. The one or more memory devices are configured to store computer-readable instructions that when executed by the one or more processors cause the one or more processors to perform operations. More specifically, the operations include detecting a number of probes connected to the energy source and allocating a portion of the predetermined power supply to each of the probes based on the number of probes detected.

Abstract: Systems and methods for delivering energy to passageways in a patient, such as airways in the lung of a patient for treating asthma. One embodiment of a method for delivering energy to a passageway comprises positioning an access device in a lung airway of a patient and advancing an elongated body of a treatment device along the access device until an energy delivery unit at a distal portion of the elongated body projects from the access device. The method can further include expanding the energy delivery unit such that energy delivery elements contact a sidewall of the airway and activating an energy supply coupled to the treatment device such that energy is delivered to the sidewall of the airway. A single person physically operates both the access device and the treatment device while expanding the energy delivery unit and activating the energy supply.

Abstract: The instant disclosure relates to electrophysiology catheters for tissue ablation within a cardiac muscle. In particular, the instant disclosure relates to an electrophysiology ablation balloon catheter with conductive and non-conductive surfaces for focusing ablation energy at a desired portion of pulmonary vein tissue.

Abstract: An example medical system for ablating and occluding the left atrial appendage is disclosed. The example system includes a catheter sized and shaped for vascular access and including an elongate body extending between a proximal end and a distal end. A first expandable member may be positioned near the distal end of the elongate body and have a first region configured to permeate a liquid therethrough. A first set of one or more electrodes may be arranged within the first expandable member and may be configured to deliver energy to the tissue region. An occlusive implant may be releasably secured to the distal end of the elongate body.

Abstract: The present invention provides a method of treating or alleviating erectile dysfunction in a patient. Multiple electrodes are placed within a segment of the internal iliac artery of the patient and against blood vessel wall of the internal iliac artery. Radiofrequency energy is released through at least one of the multiple electrodes to nearby tissues, so as to increase the temperature of the nearby tissues and induce a thermal alteration of the nearby tissues.

Abstract: A microstrip impedance transformer that permits efficient (i.e. low loss) coupling of a microwave feed line (e.g. a conventional 50? coaxial cable) to an instrument cable, where the instrument cable has a lower impedance (e.g. in the range 12 to 14?) and includes an internal passageway. The microstrip impedance transformer is configured to perform impedance matching between the microwave feed line and the instrument cable in a manner that does not adversely affect a separate feed, e.g. for delivering fluid, into the internal passageway.

Abstract: This invention relates to an advance in the delivery of laser beams to internal surgical sites using optical fibers with a novel distal tip design made using a fusion assembly procedure suitable for directing laser beams out of the side of an optical fiber. This side-fire fiber delivery tip assembly is fabricated by fusing a transparent tube onto the distal ends of a laser beam delivery fiber and an associated coaxial stub fiber that have beveled and parallel end faces that meet inside of the transparent tube. The result is a rugged fiber delivery tip assembly that is almost entirely solid, except for a very narrow gap between the beveled end surfaces of the two fibers. A loose fitting transparent capsule is placed over this fiber tip to contain a transparent perfluorocarbon lubricating oil or a perfluorocarbon heat-transfer agent that serves as a cooling agent for the fiber tip assembly.

Abstract: A medical system comprises a robotic manipulator arm and an imaging probe coupled to the robotic manipulator arm such that the imaging probe is movable in connection with the robotic manipulator arm. The system also comprises a control system in communication with the robotic manipulator arm and the imaging probe. The control system performs operations comprising extracting system information. The system information includes kinematic information from a robotic arm of a medical system, setup information, or a combination of the kinematic information and setup information associated with a medical procedure to be performed. The control system also generates, by a control system processor, a first registration between a first set of model points of a model of a patient anatomy of interest and a second set of intra-operatively collected captured points of a portion of the patient anatomy of interest, wherein the registration is based on the extracted system information.

Abstract: One or more devices, systems, methods and storage mediums for performing ablation planning and/or ablation performance are provided. Examples of applications for such devices, systems, methods and storage mediums include imaging, evaluating and diagnosing biological objects, such as, but not limited to, lesions and tumors, and such devices, systems, methods and storage mediums may be used for radiotherapy applications (e.g., to determine whether to place seed(s) for radiotherapy). Preferably, a medial axis or a center line for a predetermined biological object (e.g., a lesion or tumor) is determined/found, one or more target points are picked along the medial axis or center line, and the ablation or radiotherapy zones are defined and optimized. Security checks may be performed in one or more embodiments to ensure proper use of the equipment and patient information.

Abstract: A system and device (110) for determining bone laxity. For example, the system includes a tracked probe (300) comprising at least one probe marker (310) and a computer assisted surgical (CAS) system (100). The CAS system includes a navigation system (130) and a processing device (110) operably connected to the navigation system and a computer readable medium configured to store one or more instructions that, when executed, cause the processing device to receive location information from the navigation system, generate (820) a surgical plan comprising a post-operative laxity assumption (720), collect (850) first motion information related to movement of the joint through a first range of motion, collect (860) second motion information related to movement of the joint through a second range of motion, determine (870) a post-operative laxity (710), and compare the post-operative laxity and the post-operative laxity assumption to determine laxity results.

Abstract: A method and system for facilitating the placement of a dental implant device using augmented reality, and simultaneously capturing the result of the placement for subsequent planning procedures. By planning a desired dental implant location using one or more preoperative images of a patient and overlaying the planned dental implant location and the one or more preoperative images on the patient through virtual reality means, a clinician may be provided with an awareness of the positional relationship between the preoperative images and the planned implant position.

Abstract: A system for adjusting an operating state of a medical electronic device is described. In an aspect, the system includes an optical tracking system configured to detect three or more tracking markers. The system also includes a processor coupled with the optical tracking system. The processor is programmed with instructions which, when executed, configure the processor to: configure an input command by assigning at least one operating state of the medical electronic device to a particular state of at least one of the tracking markers; after receiving a priming command, identify a present state of the tracking markers based on data from the optical tracking system; compare the present state with the particular state assigned to the operating state; and based on the comparison, determine that an input command has been received and adjust the operating state of the medical electronic device to the assigned operating state.

Abstract: An ultrasound sensing guidance system employing a medical tool (30) including an ultrasonic motor (40) for actuating the medical tool (30) relative to an anatomical region. The ultrasound sensing guidance system further employs an ultrasound transducer (50) and an ultrasound sensing guidance controller (70). In operation, the ultrasound transducer (50) generates acoustic sensing data indicative of a sensing by the ultrasound transducer (50) of an acoustic wave emitted by the ultrasonic motor (40) as the ultrasonic motor (40) actuates the medical tool (30) relative to the anatomical region, and the ultrasound sensing guidance controller (70) controls an actuation of the medical tool (30) by the ultrasonic motor (40) responsive to the generation of the acoustic sensing data by the ultrasound transducer (50).

Abstract: According to the disclosed aspect, the ultrasonic probe provides the information of the target object, and by adjusting the scalpel provided on the ultrasonic probe based on the information, an ultrasonic probe and controlling method thereof provides to perform a precise incision for each layer of the target object and to detect the main part under the incision for preparing the dangerous situation. According to one embodiment of the present disclosure includes an incision unit configured to incise a target object, an adjustment unit configured to adjust the incision unit, a transducer configured to irradiate the ultrasonic signal to the target object and receive the reflected ultrasonic signal, and a controller configured to determine the inside of the target object based on the delivered signal by the transducer and control the adjustment unit corresponding to the inside of the target object.

Abstract: A high-speed optical tracking with compression and CMOS windowing for tracking applications that require high-speed and/or low latency when delivering pose (orientation and position) data. The high-speed optical tracking with compression and CMOS windowing generally includes an optical tracking system (10) that sense fiducial (22) and by extension markers (20). The markers can either be integrated on tools (20) handled by an operator (e.g. surgeon) (50) or fixed on the subject to track (e.g. patient) (40). The low-level processing (101, 107, 140) is realized within the tracking system to reduce the overall data to be transferred and considerably reduce the processing efforts. Pose data (127) are finally computed and transferred to a PC/monitor (30,31) or to tablet (60) to be used by an end-user application (130).

Abstract: Disclosed is a surgical ancillary device, preferably Y-shaped, including three contact portions intended to come into contact with three corresponding reference areas of an operation area, and a unit for determining an orientation coordinate system of the ancillary device in a Galilean orientation coordinate system. At least one of the first and second contact portions, and preferably both, includes a concave or convex end, for example a roller that is optionally mounted so as to be rotatably movable, or a gutter-shaped element. Each end comes into contact with two reference points in the corresponding reference area, which is respectively convex or concave. These two points accurately guide the rotation of the ancillary device in order to bring the third contact portion into contact with the third reference area. The orientations of the ancillary device define the orientation coordinate system, the determination of which can therefore be accurately reproduced.

Abstract: The disclosed apparatus comprises an intravascular sheath and dilator that can be placed over a guidewire after percutaneous vascular access. One or more electrodes are positioned axially at or near the distal end of the dilator, facilitating guidance of the sheath to the heart without fluoroscopy (i.e., by using electrical and/or magnetic guidance). The electrodes are in electrical conductance with leads via wires that extending proximally from the electrodes on or through the wall of the dilator or sheath.

Abstract: The invention relates to a system for guiding a surgical tool (200) held by a user relative to at least one target axis (T) defined in a coordinate system of a patient's spine, comprising: (i) a robotic device (300) comprising: —a base (301), —a guiding device (303) configured for constraining the tool to a guiding axis (G), —a compact motorized actuation unit (304) movable relative to the base (301), coupled to the guiding device (303) for adjusting a position and orientation of said guiding device relative to the target axis, —a support unit (305) connected to the base (301), comprising at least one element designed to make contact with the spine or a region of the patient's body adjacent to the spine so as to provide a partial mechanical link between the guiding device and the spine, (ii) a passive articulated lockable holding arm (400) supporting the base (301) of the robotic device, (iii) a tracking unit (500) configured to determine in real time the pose of the guiding axis with respect to the coordinat

Abstract: A method is provided for automatically determining a suitable angulation or inclination of a recording system during a navigation of a guide wire through a vascular system of a patient from a vessel into a branch of the vessel. The method includes recording a sequence of live X-ray images of the guide wire and presenting the X-ray images on a display unit. A first virtual tangent is applied to a first section of the guide wire, and a second virtual tangent is applied to a second section of the guide wire on the X-ray images. A point of intersection of the virtual tangents is determined on the X-ray images, and a triangle is determined. An area of the triangle is determined, and the suitable angulation or inclination of the recording system is determined by maximizing the area of the triangle by movement of the recording system.

Abstract: A method for calibrating a surgical device is provided. The method includes acquiring first data including a position and/or an orientation of a first object disposed on the surgical device at a first location; acquiring second data including a position and/or an orientation of a second object disposed on the surgical device at a second location; determining third data including a position and/or an orientation of the first object relative to the second location; and determining a position and/or an orientation of the second object relative to the second location based at least in part on the first data, the second data, and the third data.