Abstract: A system for dynamic registration of autonomy using augmented reality can include an augmented reality system, an imaging system, a measuring system, and a computer system. The augmented reality system can be configured to display an augmented representation. The imaging system can be configured to image an anatomical feature of the patient and can generate anatomical imaging data. The measuring system can be configured to measure an anatomical movement of the patient and can generate an anatomical movement data. The computer system can be configured to receive the anatomical imaging and positional data and the anatomical movement data, generate the augmented representation based on the anatomical imaging data, associate the augmented representation with the anatomical movement data, render the augmented representation on the augmented reality system, and selectively update the augmented representation based on the anatomical movement data.

Abstract: A skull clamping device for fixing and aligning a head of a patient for a medical intervention includes a first ring element and a second ring element arranged concentrically. The second ring element is arranged within the first ring element and is connected hereto by a second axis, about which the second ring element is mounted rotatably within the first ring element. The first ring element is mounted rotatably about a first axis that is orthogonal to the second axis. The skull clamping device also includes a motor-driven drive that drives rotation of the first ring element and/or the second ring element about the respective axis, at least two pins arranged in an innermost ring element, two telescope bars that hold the first ring element and the second ring element, and a control unit for the motor-driven drive.

Abstract: A system and method for pre-operatively optimizing a fit of an orthopaedic implant relative to a particular individuals anatomy is provided.

Abstract: Systems and methods for providing assistance to a surgeon during an implant surgery are disclosed. A method includes defining areas of interest in diagnostic data of a patient and defining a screw bone type based on the surgeon's input. Post defining the areas of interest, salient points are determined for the areas of interest. Successively, an XZ angle, an XY angle, and a position entry point for a screw are determined based on the salient points of the areas of interest. Successively, a maximum screw diameter and a length of the screw are determined based on the salient points. Thereafter, the screw is identified and suggested to the surgeon for usage during the implant surgery.

Abstract: A surgical instrument assembly may include a processor, a surgical instrument configured to operate on an anatomical structure, and a display coupled to the processor and attached to the surgical instrument. The processor can be configured to determine a position of the medical imaging device, from which the medical imaging device can generate an X-ray image that includes holes of an intramedullary nail shown as circles, for instance perfect circles. In an example, the processor identifies the intramedullary nail, so as to determine an intramedullary nail identity, and determines the position of the medical imaging device based on a portion of at least two locking holes of the intramedullary nail and based on the intramedullary nail identity.

Abstract: An orthopaedic surgical instrument system that includes an orthopaedic surgical instrument adapted to be positioned on a proximal end of a patient's tibia, and a tibial bearing trial assembly, and a tibial evaluation component, and a tibial base trial component configured to be coupled to the orthopaedic surgical instrument. A tibial evaluation component includes a base plate and a generally Y-shaped posterior buttress extending upwardly from a superior surface of the base plate, such that the posterior buttress of the insert component is configured to be received in the opening of the tibial bearing trial assembly to prevent rotation of the tibial bearing trial component relative to the tibial base trial component.

Abstract: The invention relates to a fibula bone-material removal and transfer template (1) having a main part (4) designed for application to a bone region (3), wherein at least one bone separation-tool guide portion (8) can be or is removably attached to the main part (4), and wherein a receiving pocket (10a, 10b, 11a, 11b) designed to receive an implant (9) is formed in the main part (4). The invention also relates to an assembly kit comprising the fibula bone-material removal and transfer template (1) and an implant (9).

Abstract: A tibial implant for knee arthroplasty includes a tibial plate, a tibial keel, and at least one anchoring projection. The tibial plate is sized and shaped for placement on a proximal end of a tibia of a patient. The tibial plate includes opposite proximal and distal surfaces with the distal surface configured to engage the end of the tibia. The tibial keel extends distally from the distal surface of the tibial plate and is configured to be inserted into the proximal end of the tibia. The anchoring projection extends distally from the distal surface of the tibial plate and is configured to be inserted into the proximal end of the tibia.

Abstract: A bone fracture fixation system including reference pins inserted into bone fragments of a patient in a first configuration and an image capture device configured to capture an image of the reference pins, and the bone fragments. The system includes a processor configured to receive and pre-process the captured image data. The processor pre-processes the image data by virtually re-positioning the reference pins in the first configuration into a second configuration, wherein the re-positioning virtually re-positions the bone fragments into normal alignment; and virtually generating a support device. The system includes a point-of-care production apparatus that produces a three-dimensional model of the virtually generated support device in a form that can be applied to the patient.

Abstract: A method comprises the steps of: imaging a patient anatomy; selecting an implant strategy for at least one bone fastener having a first member; registering the imaging of the patient anatomy with imaging of at least a portion of a robot; engaging the first member with tissue of the patient anatomy via robotic guidance according to the implant strategy; and subsequently, manipulating the patient anatomy. Systems, spinal constructs, implants and surgical instruments are disclosed.

Abstract: This disclosure includes surgical depth gauges and related methods. Some gauges have a probe assembly including a probe having proximal and distal ends, the distal end including one or more prongs, each having a distal-most tip, being movable between a retracted position and a deployed position in which the tip is farther from a longitudinal axis of the probe than when the prong is in the retracted position, and being biased toward the deployed position. Some probe assemblies include a cannula having proximal and distal ends, where the probe is disposable within the cannula such that moving the distal end of the probe toward and away from the distal end of the cannula causes each of the prongs to move between the retracted and deployed positions. Some depth gauges include a sleeve disposable over the probe assembly.

Abstract: The present invention relates to a multi-tool or multi-purpose device comprising a counter sink and a depth gauge. In one aspect, the invention provides a method of determining the necessary length of a screw to be implanted into bone. Also provided herein are sterile kits comprising single-use instrumentation for use in orthopedic procedures.

Abstract: Methods of harvesting cancellous bone and bone marrow include extracting loosened cancellous bone and bone marrow—including a liquid component thereof—to a collection container that has a first cup and a suction port to which a suction source is connected. After extraction, the suction source is disconnected and a lid of the collection container is removed and replaced with a lid having a plunger with a press head that is configured to filter the extracted liquid by depressing the plunger toward a bottom of the first cup. The filtered liquid is poured through a suction port into a second cup while depressing the plunger, thereby separating the liquid from a semi-solid mass of cancellous bone that remains. The bone is extracted through a cortical opening in the femur, tibia, or calcaneus, or from an intermedullary canal that is preferably formed by reaming of the tibia using an orthopedic reamer.

Abstract: A kinematic-axis locating device for knee arthroplasty includes two spoon-shaped arms and a linking piece. The two spoon-shaped arms are to be placed between a proximal tibia and a distal femur. Due to checking effects of ligaments on the proximal tibia and the distal femur, a medial condyle femur and a lateral condyle femur hold the two spoon-shaped arms on the tibial plateau using their respective curvatures. The linking piece provides a reference axis that is naturally defined by the two inserted and positioned spoon-shaped arms. The reference axis is roughly parallel to a kinematic axis upon which the medial condyle and the lateral condyle pivot against the tibial plateau. Articular surface resection can then be performed between the proximal tibia and the distal femur with reference to the reference axis.

Abstract: A surgical instrument system for treatment of an anatomical structure comprises an instrument and/or a patient specific instrument. The instrument and/or the patient specific instrument comprises an integrated measurement system for tracking the instrument and/or the patient specific instrument relative to the anatomical structure. The integrated measurement system comprises a tracking system, which comprises a shadow imaging tracking system comprising an optical source, a shadow-generating device and a patient specific instrument sensor. An initial position of the instrument or the patient specific instrument is registerable by the patient specific instrument sensor. The shadow-generating device is arranged between the optical source and the imaging device for generating a shadow. The shadow imaging tracking system is configured to compute the elevation of the source from the pattern the shadow casts on the surface of the imaging device.

Abstract: A measuring adapter (1) for a measuring instrument for use in connection with hip prosthesis surgery is provided. The measuring adapter (1) comprises a measuring head (2) and a connector (3); the measuring head (2) comprises a front end (2a), a rear end (2b) and an upper surface (4a). The upper surface (4a) is convex. The measuring head (2), along an axial direction of the measuring adapter (1), further comprises a central through-going bore (5) adapted to receive an actuating rod (8). The measuring head (2) is adapted to expand from a relaxed state to an expanded state when the actuating rod (8) is axially displaced in the central through-going bore (5); and the measuring head (2) is divided into at least two separate sections (6). The connector (3) is hollow and slotted at one end in axial direction of the measuring head (2) into a number of legs (7), the number of legs (7) corresponding to the number of the at least two separate sections (6) of the measuring head (2).

Abstract: A system for use during an orthopaedic surgical procedure includes a femoral broach, an acetabular cup component, and an acetabular alignment guide. The femoral broach includes a mounting post positioned at a superior end of an elongated body. The cup component includes a distal rim and a curved surface extending inwardly from the rim to define a cavity. The alignment guide includes a distal end configured to be coupled to the mounting post and a proximal end configured to be coupled to the distal rim. When coupled to the femoral broach, the guide instrument is sized to orient the acetabular cup component relative to the femoral broach. The acetabular cup component may be a prosthetic cup component or a trial instrument corresponding to the prosthetic cup component.

Abstract: The embryo transfer cannula stabilizer is a device attached to a vaginal speculum, which allows the sliding, placement, and secure fixing of a cannula to perform an embryo transfer. The embryo transfer cannula stabilizer prevents fine movement of the user's hand to reduce tremor at the intracervical level and avoid injury to the cervical canal, rupture of blood vessels, and the production of detritus.

Abstract: Disclosed herein are apparatuses and methods for intraoperative on-demand implant customization in a surgical setting. An apparatus may include a storage portion, an implant customization portion and an interface. The storage portion may house implant blanks and implant accessories. The implant customization portion may customize the implant blanks. The interface may be configured to receive implant customization information and utilize the same to intraoperatively manipulate the implant blank to a patient-specific implant within a sterile environment. A method to customize an implant in a surgical care environment may include the steps of obtaining information related to the implant location, selecting an implant blank based on the information, and customizing the implant blank in a surgical care setting with a customization apparatus.

Abstract: An exemplary method, and corresponding instrumentation, of balancing the ligaments of a knee during flexion is disclosed. In one embodiment, the method includes forming initial resection cuts in a patient' femur and tibia, and subsequently placing the knee in flexion to form a flexion space between the posterior femoral condyles and the resected tibial surface. The method may further include sequentially inserting one or more flexion spacers into the flexion space, and selecting the flexion spacer that provides the ligaments with equal tension. The flexion spacers may include a medial platform and a lateral platform wherein, for at least one of the flexion spacers, the lateral platform has a greater thickness than the medial platform. The method may further include engaging an alignment sizing tool with the selected flexion spacer, forming a pair of pin holes in the femur, and mounting a cutting block to the femur using the pin holes.

Abstract: Methods of harvesting cancellous bone and bone marrow include extracting loosened cancellous bone and bone marrow—including a liquid component thereof—to a collection container that has a first cup and a suction port to which a suction source is connected. After extraction, the suction source is disconnected and a lid of the collection container is removed and replaced with a lid having a plunger with a press head that is configured to filter the extracted liquid by depressing the plunger toward a bottom of the first cup. The filtered liquid is poured through a suction port into a second cup while depressing the plunger, thereby separating the liquid from a semi-solid mass of cancellous bone that remains. The bone is extracted through a cortical opening in the femur, tibia, or calcaneus, or from an intermedullary canal that is preferably formed by reaming of the tibia using an orthopedic reamer.

Abstract: A direction checking pin and a guide tap drill kit for insertion of a fixture for an implant includes an endosseous fixing guide, a direction checking pin body and a guide tap drill. The endosseous fixing guide and the direction checking pin body are combined and then inserted into an already-formed insertion hole and only the direction checking pin body is removed after checking a direction of the insertion hole, and the guide tap drill is inserted to the endosseous fixing guide remaining in the insertion hole and then rotated so as to enter into the insertion hole such that a screw thread is formed in accordance with the direction of the insertion hole at an inner wall of the insertion hole by the tap drill.

Abstract: An assembly for attachment to a first implant component has a size and shape of a second implant component to be implanted together with the first implant component. The assembly includes a first body and a second body removably connected to the first body. In a temporary configuration, the first and second bodies are prevented from separating while the first and second bodies permit relative movement therebetween. A modular kit includes a plurality of the first bodies each having a different size or shape, and a plurality of the second bodies each having a different size or shape. A method of assembling the assembly includes removably connecting the first body to the second body, such that the first and second bodies are prevented from separating while permitting relative movement therebetween, and positioning the assembly on the first implant component.

Abstract: A minimally invasive surgical procedure for replacing a hip joint is provided. A main incision is initiated at a point being a projection of a tip of a greater trochanter and extends proximally about a distance in the range of from 1 cm to 8 cm in line with the femoral axis. An inline capsulotomy is performed, while keeping muscles and posterior capsule intact, to expose the hip joint capsule for accessing the hip joint. The femoral canal is prepared for receipt of a femoral implant. The femoral head is resected and removed out of the acetabulum. A step of acetabular preparation is performed using a retractor comprising two tip rails, each tip rail having a plurality of tines. Related tools, devices, systems and methods are also provided.

Abstract: Disclosed herein is an arthroplasty jig for use in an arthroplasty procedure on a bone of a patient that forms a ball and socket joint. The arthroplasty jig may include a customized mating region and a resection guide. The customized mating region and the resection guide are referenced to each other such that, when the customized mating region matingly engages a surface area of a proximal femur, the resection guide will be aligned to guide a resectioning of the proximal femur along a preoperatively planned resection plane.

Abstract: Systems, devices and methods for guiding placement, orientation, and fixation of an orthopedic implant. Examples include a surgical guide having a first surface structured to fit within a prosthetic cup, at least one guide hole through the first surface, and an alignment structure having a contour formed from data indicative of the patient anatomy. The contour of the alignment surface is complementary to a portion of the patient anatomy in a unique orientation that aligns the guide hole with tissue suitable for receiving a fastener. The alignment structure preferably includes an arm with a first end coupled to a rim of the guide and a second end coupled to the contour. In certain implementations, the guide includes a plurality of alignment structures. Further disclosed are methods of making and using a surgical guide for aligning an orthopedic implant.

Abstract: A modular fluoro-navigation instrument including a base made of a substantially radiotransparent material. The base is intended to be rigidly secured to a patient's bone and a tracker rigidly attachable to the base. The instrument has a registration phantom separate from the tracker which includes a plurality of radiopaque fiducials. The base and the registration phantom includes respective attachment members for reproducibly attaching the registration phantom to the base.

Abstract: Knee arthroplasty instrument systems directly reference and align with the anterior distal femoral cortex and the mechanical axis of the leg. The anterior femoral resection is aligned in the same plane as the anterior distal femoral cortex. The center of the femoral head, the medial/lateral center of the distal femur, the medial/lateral center of the proximal tibia, and the second toe, medial/lateral center of the ankle, or anterior tibial spine are all aligned to the mechanical axis of the leg. Methods of using the instrument systems are disclosed.

Abstract: Bone harvesting tools and methods of use thereof are disclosed. In an embodiment, the tool comprises a chamber having a first aperture, a second aperture, an internal cavity, and a suction source fluidly connected with the chamber. The suction source is effective to generate negative pressure within the internal cavity of the chamber. The tool also has a reamer having a reaming portion, the reamer being sized to extend through the first and second apertures of the chamber, wherein the reamer is movable relative to the chamber. Additionally, the tool includes a storage container fluidly connected to the internal cavity of the chamber and effective to receive bone and/or cellular material extracted from the patient, the bone and/or cellular material being extracted during reaming a bone of the patient with the reamer.

Abstract: A single-use handle is configured to attach to a working shaft that can support a sounder for measuring the medullary canal of a proximal radius, and a planarizer that is configured to planarize a proximal edge of the proximal radius after the proximal radius has been resected. The handle can further include a plurality of sizing cavities that are configured to receive the resected bone so as to determine the size of the resected bone. The handle can further include an ejector that is configured to decouple the planarizer from the working shaft.

Abstract: Patient-adapted articular repair systems, including implants, instruments, and surgical plans, and methods of making and using such systems, are disclosed herein. In particular, various embodiments include methods of selecting and/or designing patient-adapted surgical repair systems using parameterized models and/or multibody simulations.

Abstract: Provided is a medical probe comprising a handle part to be held in hand, a position transmission part to be coupled to the hand part and to reflect or transmit a position signal to an optical tracking system (OTS), a main body to be coupled to one side of the handle part and to be positioned at an affected area of a patient, and a hook part to be coupled to the other side of the main body and to touch the affected area, wherein the hook part is coupled to the main body so as to have one angle of an acute angle, a right angle and an obtuse angle with respect to the main body.

Abstract: A surgical apparatus configured to be placed in the musculoskeletal system to precisely separate a first bone from a second bone. The surgical apparatus has one or more sensors to measure one or more parameters and supports one or more bone cuts for installing a prosthetic component. The surgical apparatus has at least one distraction mechanism configured to increase or decrease a height between a first support structure and a second support structure. A tilt mechanism comprises the at least one distraction mechanism. The tilt mechanism couples through a first pivot point and a second pivot point and adjusts a tilt of the second support structure relative to the first support structure. In one embodiment, loading applied to the second support structure is distributed between the first pivot point and the second pivot point during operation of the surgical apparatus.

Abstract: A trial system for determining a suitable proximal body implant for hip replacement surgery comprises a separator instrument, a trial body attachable to a distal stem, and an insert. The insert is positioned within the trial body to receive the separator instrument. As the separator instrument is rotated about its axis, a ramp element of the insert guides a pin of the separator instrument, so as to separate the trial body from the distal stem. Additional apparatus, methods, and systems are disclosed.

Abstract: A smart surgical instrument for artificial joint replacement includes a femur resection device, a tibia resection device, and a detector having a shape corresponding to the resected surfaces of a femur and a tibia. The femur resection device includes a laser device such that the femur resection device can be aligned for resection of the femur without drilling an intramedullary hole, thereby preventing complications attributable to the intramedullary hole. The tibia resection device includes a laser device, thereby enabling an easy and fast surgical operation without using an extramedullary aligner used for alignment of a tibia during resection of the tibia. The detector includes a rotation detection means and a pressure detection means and is inserted between trials to allow numerical verification for medial and lateral balance of forces and a rotation state of the trials. The surgical instrument enables a precise, accurate, easy, and fast surgical operation.

Abstract: The invention relates to a device for minimally invasive attachment of a tracker (20) and/or a registration phantom (30) to a patient's bone, comprising a base (10) made of a substantially radiotransparent material, characterized in that the base (10) comprises: a support surface (11) intended to face the bone, a plurality of non-parallel through holes (14) for passing a respective percutaneous pin (2) through the base (10); at least one slot (15) extending from an edge of the base (10) in a direction transversal to the through holes (14), said slot (15) passing throughout the base (10) until the support surface (11) and being intended to engage a percutaneous pin (2) implanted into the patient's bone so as to allow the base (10) to slide along said pin (2); and a reproducible fixation system for attaching the tracker (20) and/or the registration phantom (30) to the base.

Abstract: A single-use handle is disclosed for releasably engaging an orthopedic device. The handle includes an elongate body that has a first portion that, in turn, defines a connection end adapted for connection to an upper end portion of a broach. The handle includes a second end portion adapted to be griped by a user. The handle further includes a cylindrical bore at the connection end. The bore is configured to receive a corresponding male portion of a surgical instrument. The handle further includes a button that is adapted to releasably connect the instrument in the bore. The handle further includes a plurality of sizing cavities that have a predetermined size and shape that corresponds to the size and shape of an orthopedic implant. The handle is of a biocompatible, disposable material.

Abstract: A patient-customized surgical instrument used to form a surgical site in a tibia for implantation of an implant into the tibia, and a surgical module using the same. A body part is coupled to the tibia to surround a portion of the tibia. A cutting-member insertion window is formed through a side of the body part to receive a cutting member that is inserted to form a cutting plane of the tibia. A position setting hole is formed through the upper side of the body part to receive and guide a post recess forming member that is used to form a post recess in the tibia. A post of the tibia element is received in the post recess. A surgical site can be accurately and easily formed in a damaged tibia.

Abstract: A bone fracture fixation system including reference pins inserted into bone fragments of a patient in a first configuration and an image capture device configured to capture an image of the reference pins, and the bone fragments. The system includes a processor configured to receive and pre-process the captured image data. The processor pre-processes the image data by virtually re-positioning the reference pins in the first configuration into a second configuration, wherein the re-positioning virtually re-positions the bone fragments into normal alignment; and virtually generating a support device. The system includes a point-of-care production apparatus that produces a three-dimensional model of the virtually generated support device in a form that can be applied to the patient.

Abstract: In one embodiment, an intervertebral trial includes a front surface, a top surface, a bottom surface, a first side surface and a second side surface that collectively define an internal space. The internal space includes at least one marker structure attached to at least one of the top surface, the bottom surface, the first side surface and the second side surface. The at least one marker structure indicates a dimension of the intervertebral trial. Additionally, the at least one marker structure is spatially representative of the dimension when measured relative to one of the front surface, the top surface, the bottom surface, the first side surface or the second side surface.

Abstract: A method for assisting in positioning the acetabular cup comprises orienting a cup positioning instrument with a cup thereon in an initial reference orientation relative to an acetabulum of a pelvis with the cup forming a joint with the acetabulum, the cup positioning instrument comprising an inertial sensor unit with pre-planned orientation data for a desired cup orientation based on at least one landmark of the pelvis, The cup positioning instrument is rotated to a desired abduction angle as guided by an interface of the cup positioning instrument, based on movements relative to at least one landmark. The cup positioning instrument is rotated to a desired anteversion angle as guided by the interface of the cup positioning instrument, based on movements relative to the at least one landmark. Upon reaching the desired cup orientation as indicated by the interface, the cup is impacted into the acetabulum.

Abstract: Systems and methods for optimizing parameters of an orthopaedic procedure for a particular patient, including parameters relating to the anatomic and biomechanic fit of an implant or implant system implanted into the patient's joint. These systems and methods may utilize patient-specific information gathered pre-operatively in conjunction with optimization algorithms to determine an optimal implant design and an optimal position and orientation for implantation of the implant into the particular patient's joint.

Abstract: A method of implanting a bone anchor in a vertebra comprises engaging a tip of a flexible drill bit with boney structure of the vertebra, rotating the flexible drill bit at a slow speed, pushing the drill bit into exterior cortical bone of the boney structure of the vertebra, guiding the flexible drill bit into cancellous bone of the vertebra, receiving a tactile output generated by the flexible drill bit indicating resistance of interior cortical bone of the boney structure against the flexible drill bit, and reorienting a trajectory of the flexible drill bit toward the cancellous bone of the vertebra in reaction to the tactile output.

Abstract: Arthroplasty jigs and related methods are disclosed. Some of the arthroplasty jigs may comprise a jig body that is configured to align with a surface of a bone, and a positioning component. Certain of the methods may comprise providing such an arthroplasty jig, and aligning the jig body with a surface of a bone so that the positioning component provides at least one of a visible, audible, or tactile indication that such alignment has been achieved. Some of the arthroplasty jigs may comprise a jig body that is configured to align with a surface of a bone, and that is marked with identifying information. Certain of the methods may comprise providing an arthroplasty jig comprising a jig body that is configured to align with a surface of a bone, or providing an arthroplasty jig blank, and marking the arthroplasty jig or the arthroplasty jig blank with identifying information.

Abstract: Technologies for aligning an acetabular prosthetic component in a patient's surgically prepared acetabulum include a reference sensor module securable to the patient's bony anatomy, an inserter sensor module securable to an acetabular prosthetic component inserter, and a display module. Each sensor module generates sensor data indicative of the orientation of the sensor module and/or structures to which the sensor module is coupled. The display module receives the sensor data from the sensor modules, determines the orientation of the acetabular prosthetic component relative to the patient's bony anatomy, and displays indicia of the determined orientation on a display.

Abstract: The invention is a super elastic bone plate and inserter. The bone plate has a plate section with openings for screws at fixed or variable angles, an optional compression slot, and a pronged section (i.e. the claw foot), which is generally transverse to the long axis of the plate for insertion, and after deployment returns to an angle of less than 90° to impart compression at a bone/bone interface, e.g. to cause fusion between bone segments. The inserter, which has a first leg with a frictional fit holding block for the plate and a second leg with a holding and activation mechanism for the super elastic pronged section. The invention also relates to a method of bone fusion using the plate system.

Abstract: A dynamic foot plate assembly structured for therapeutic use adjacent the ankle area of the body comprising a base element, at least one side element extending along the ankle area, and at least one joint movably and adjustably connecting the base element to the side element for variable displacement of the base element and side element into different operative orientations. The dynamic foot plate assembly may also comprise a plurality of strut members disposed in an interconnecting relationship between either a support member and a side element, or the support member and the base element. The strut members, if present, facilitate the variable relative displacement of the base element, side element and support element into different operative orientations.

Abstract: This application describes surgical instruments and implants for building a posterior fixation construct across one or more segments of the spinal column during a medialized posterior lumbar interbody fusion (PLIF) procedure.

Abstract: A method and system for determining the orientation of a surgical tool with respect to a bone of a patient discloses initializing a first active sensor and a second active sensor relative to each other with the first active sensor and second active sensor having a predetermined (relative) orientation. The first active sensor is configured to sense a change in its orientation, provide first information relating to the change and be attached to a bone in a relationship to a reference plane therefor, for use during an operation. The second active sensor is configured to sense a change in its orientation, provide second information relating to the change and be attached to a surgical tool. The relative orientation of the active sensors is useful to determine the relative orientation of the tool and the reference frame of the bone.

Abstract: A tissue harvesting device (1), comprising a rotary cutting tool (10) adapted to cut soft tissue and a collection container (20) including a central bore (21) extending in a longitudinal direction and with a distal opening (22), wherein the cutting tool is arranged in the central bore of the collection container and adapted to pass through the distal opening and draw harvested soft tissue fragments into the collection container, and a housing (30) accommodating the cutting tool and the collection container, wherein the collection container is axially movable with respect to the housing.