Abstract: A device for implanting an intramedullary nail includes a base member and an adjustable member coupled together and translatable relative to each other along a direction. The device includes an insertion handle configured to carry the nail and mount to the adjustable member. A drill guide is attachable to the base member and configured to carry one or more guide sleeves for alignment with locking holes of the intramedullary nail. A first reference member extends from the base or adjustable member and has a first contact portion configured to contact an exterior location of a patient's limb. A second reference member extends from the other of the base and adjustable members and has a second contact portion configured to contact another exterior location of the limb. At least one of the first and second reference members is positionally adjustable relative to the base or adjustable member from which it extends.

Abstract: A bone foundation guide system having a bone foundation guide with a foundation guide body forming an open surgical space connecting a top of the bone foundation guide body with a bottom of the bone foundation guide body, the bottom contoured to removably affix the bone foundation guide body to the bone of a dental implant surgical site, the body further contoured to guide the cutting of bone from a dental implant surgical site and supporting a dental implant surgical guide; the dental implant surgical guide contoured to removably mate to the bone foundation guide body; wherein a combination of the bone foundation guide and the dental implant surgical guide forms a double open-ended placement channel that passes through a plurality of guiding cylinders held in tandem alignment to aid in the placement of a dental implant that is anchored in a site remote from the mouth.

Abstract: Implants and instruments for providing an ideal trajectory for the insertion of instruments and screws during implantation of an interbody implant in a spinal surgery are disclosed.

Abstract: A targeting guide is disclosed includes a handle extending substantially along a longitudinal axis. The longitudinal handle defines one or more burr holes extending from a first side of the handle to a second side of the handle. A head is coupled to a distal end of the longitudinal handle. The head defines a plurality of guide holes sized and configured to receive a k-wire therethrough.

Abstract: An orthopedic surgical instrument comprising: a customized patient-specific acetabular reaming guide comprising an at least partially circular body, having an inner surface defining a slot sized to receive an acetabular reamer head, and further having a top surface defining a contact element; at least one support element configured for supporting the at least partially circular body on a patient-specific anatomy of a coxal bone; and further comprising at least one acetabular reamer head comprising a bone milling portion configured for insertion in the slot of the acetabular reaming guide; a connecting element configured for removable attachment to a reamer's shank for operation of the at least one acetabular reamer head; wherein the orthopedic surgical instrument further comprises an abutment element attached to a top portion at least one acetabular reamer head and configured to limit a milling depth of the bone milling portion, by resting on the contact element of the acetabular reaming guide.

Abstract: An instrument assembly for a shoulder arthroplasty that can comprise: a cut guide having a slot for aiding a resection of a head of a humerus; and a positioning assembly configured to position the cut guide relative to the head of the humerus, wherein the positioning assembly is configured to couple to a reamer. The positioning assembly can comprise: a boom configured to position the cut guide relative to the reamer and the head of the humerus along a first axis; and an arm coupled to the cut guide and configured to be moveable to position the cut guide relative to the head of the humerus about the reamer in a second axis.

Abstract: Systems and methods are described for treating distal radius fractures using a plating system. In an aspect, a distal radius plating system includes a volar plate body for interfacing with a volar side of a distal portion of a radius bone. The volar plate body has a volar head portion extending from the volar plate body and terminating at a distal edge, the volar head portion including a first set of apertures to receive fixation fasteners therethrough to fix to the radius bone. The distal radius plating system also includes a radial longitudinal portion extending from a radial edge of the volar plate body to interface with the radial styloid of the radius bone while the volar plate body is positioned on the volar side of the distal portion of the radius bone.

Abstract: A targeting guide includes a body defining a first guide hole sized and configured to receive a guide sleeve therethrough. The first guide hole extends through the body on a first axis. An alignment arm extends between a first end and a second end. The first end is coupled to the body. A tip extends from the second end of the alignment arm. A free end of the tip is aligned with the first axis of the first guide hole.

Abstract: A system comprises a first implant including first and second screw receiving holes having respective first and second longitudinal axes. A second implant includes third and fourth screw receiving holes having respective third and fourth longitudinal axes. First and second drill guides have respective fifth and sixth longitudinal axes. A targeting guide is provided for aligning the first and second drill guides with each of the first and second implants simultaneously, so that the first, third and fifth longitudinal axes lie along a same line as each other, and the second, fourth and sixth longitudinal axes lie along a same line as each other.

Abstract: The present disclosure is directed to systems and methods that facilitate delivery of a therapeutic agent into the skin of a subject. A first mechanism can create a first angled channel through a first location on a surface of a subject's skin at a first angle relative to the surface of the subject's skin. A second mechanism, associated with the first mechanism, can create a second angled channel through a second location on the surface of the subject's skin at a second angle relative to the surface of the subject's skin. The first angled channel and the second angled channel intersect to form a connected channel under the surface of the subject's skin.

Abstract: A cutting guide for periacetabular osteotomy comprises at least one first main body having a longitudinal opening for the insertion of a cutting instrument, extending from a first end to a second end of the first main body and at least two positioning and fixing arms extending away from the first main body from opposite sides with respect to the longitudinal opening, in order to correctly position the first main body on a bone and fix it thereto through respective fastening members.

Abstract: A multi-barrel drill guide with an elongated body extending along a longitudinal axis having a proximal end and a distal end, an elongated distal guide tube attached to and extending from the distal end of the elongated body, and a handle extending from the elongated body between the proximal end and the distal end. The elongated body has a first channel extending from the proximal end to the distal end and a second channel extending from the proximal end to the distal end at an angle relative to the first channel. The first channel and the second channel intersect at a convergence area at the distal end. A drill bit is movable in a slidable manner within the second channel, and a driver loaded with a suture anchor is movable in a slidable manner within the first channel.

Abstract: A drill guide system provides a means of improved tunnel placement accuracy by allowing the drill guide to articulate to seat against the bone being drilled. The drill guide includes an articulating drill guide adapter constructed in four parts: a top cap, a thumbscrew, a lock tab, and a spring mechanism. The drill guide adapter is part of an aimer arm which mates with a handle on the proximal end and an aimer guide on the distal end. The drill guide adaptor allows the aimer guide to articulate relative to an irregular mating surface, allowing for increased area contact between the aimer guide template and bone. Examples of the drill guide adaptor also include a means for locking the aimer guide into place relative to the aimer arm.

Abstract: A coracoid drill guide assembly includes a body having a cylindrical channel on each side of the body for receiving a drill guide sleeve. The sleeves of the assembly have a 1.4 mm inner diameter to guide a 1.3 mm (or smaller) K-wire through the sleeve. An aimer arm extends from the body at a non-intersecting angle with the drill sleeve. The assembly also has a self-locking ratchet mechanism to lock the sleeve in place once the assembly has been secured to bone.

Abstract: Devices, systems, and methods for bone stabilization, especially ulna head stabilization. The stabilization system may include a bone plate having an elongated portion extending along a longitudinal axis between a proximal end and a distal end. The bone plate defines a plurality of through holes extending through the elongated portion. A plurality of fasteners are configured to extend through one or more of the plurality of through holes in the bone plate and configured to secure the bone plate to the bone. The proximal end of the elongate portion has an arcuate configuration.

Abstract: A method for planning an orthopedic procedure including positioning a virtual implant component relative to a 3D volume of scan data of a patient is disclosed. A 3D volume of scan data of a patient, which includes scan data of a bony anatomy of the patient, is provided. A first 2D view of scan data is generated from the 3D volume of the scan data, wherein the 2D view of scan data comprises a first a portion of the bony anatomy. First positional information for the virtual implant component is defining relative to the first 2D view. A second 2D view of scan data is generated from the 3D volume of scan data, wherein the second 2D view of scan data is provided from the 3D volume of scan data at an angle relative to the first 2D view of scan data and comprises a second portion of the bony anatomy. Second positional information for the virtual implant component is defined relative to the second 2D view of scan data.

Abstract: A drill guide assembly for accurate and stable drilling of a bone tunnel. The drill guide assembly includes a guide body having first and second ends, and a slot extending from the first end toward the second end. The drill guide assembly also includes a curved guide arm having a first arm connected at an angle to a second arm. The first arm terminates in a distal tip. The second arm has first and second sides, and is slidable within the slot of the guide body. The second arm also includes detents along its second side. A locking mechanism is attached at the first end of the guide body and in a first position, and the locking mechanism is engaged with one of the detents. The drill guide assembly also includes a clamp mechanism attached at the second end of the guide body and a guide sleeve removably extending therethrough.

Abstract: The surgical apparatus comprising a support frame having an anterior portion configured to bear on an upper surface of a talus of the patient, and a rear portion configured to be secured to the tibia of the patient; and a cutting guide insert mounted on the support frame and configured to guide a cutting blade for cutting of a lower end part of the tibia.

Abstract: A surgical tool having a compact design is disclosed. The tool has a first set of prongs disposed along a first axis, a second set of prongs disposed along a second axis different from the first, and an asymmetric gear set. The gear set includes a rotatable first drive gear disposed on one of the first set of prongs and a rotatable first actuator gear disposed on one of the second set of prongs. The first drive gear is configured to drive the first actuator gear, forming a first gear pair. The gear set also includes a rotatable second drive gear disposed on one of the first set of prongs and a rotatable second actuator gear disposed on one of the second set of prongs. The second drive gear is configured to drive the second actuator gear, forming a second gear pair. The first gear pair and the second gear pair have different diameters.

Abstract: The invention relates to a medical registration apparatus (1), comprising •two flanks (2a, 2b); •a pivot portion (3) around which at least one of the flanks (2a, 2b) is rotatable with respect to a rotation centre (3c, 3d) (FIG. 1, FIG. 3); •a contacting portion (4a, 4b) on each of the flanks (2a, 2b), each contacting portion (4a, 4b) being spaced apart from the rotation centre (3c, 3d); and •a sensor (5, 6) being arranged with an offset (r, FIG. 4 A) to a line (a) connecting the contacting portions (4a, 4b). The invention also relates to a data processing method for use with the medical registration apparatus.

Abstract: A dynamic reference deviation detecting method is used for detecting a deviation of a dynamic reference coordinate system. A coordinate detecting step is for detecting and recording a first initial coordinate and a second initial coordinate. A first coordinate variation calculating step is for calculating a difference between a first instantaneous coordinate and the first initial coordinate to obtain a first difference value. A second coordinate variation calculating step is for calculating a difference between a second instantaneous coordinate and the second initial coordinate to obtain a second difference value. A relative coordinate variation calculating step is for obtaining a relative difference value. A dynamic reference deviation determining step is for determining whether or not the dynamic reference coordinate system is deviated according to the first difference value, the second difference value and the relative difference value.

Abstract: A blood vessel access closure device includes an inner blood vessel wall support member and an outer blood vessel wall support member. The closure device also includes a deployment member and an electrode. The deployment member is configured to draw the inner and outer blood vessel wall support members towards each other when the inner and outer blood vessel wall members are deployed on opposite sides of a blood vessel wall during closure of a hole in the blood vessel wall. The electrode is configured to be attached to the deployment member and configured to be used to measure impedance.

Abstract: The present invention relates to systems and methods for spinal fusion procedures that can allow all components of the spinal fusion procedure to be inserted into the wound of a patient at once, and can thus minimize the number of components that must be separately inserted into a wound. This can be accomplished by providing a intervertebral fixation system that allows an intervertebral cage and a vertebral fixation plate to be assembled into a single unit prior to insertion into a patient.

Abstract: A patient-specific guide tool for guiding an instrument toward a bone for implantation of a prosthetic device is disclosed. The guide tool includes a body portion having a guide element, and a patient-specific portion having at least one patient-specific mating feature that is configured to engage a soft tissue at or near the bone. A method of manufacturing a guide tool for guiding an instrument toward a bone is also disclosed.

Abstract: A method of surgically preparing a sacroiliac joint comprising: a) approaching a sacroiliac joint space with a joint preparation tool comprising a cutting element including an exterior having an asymmetric cutting band such that the first side includes a first surface having a first texture and the second side includes a second surface having a second texture, the first and second textures being different such that the first texture is substantially smoother than the second texture; and b) delivering at least a portion of the cutting element non-transversely into the sacroiliac joint space for decortication, the cutting element being oriented in the sacroiliac joint space such that the first surface opposes the generally softer sacrum and the second surface opposes the generally harder ilium in order to more aggressively prepare the surface of the ilium while not over-preparing the sacrum to provide a robust biologic environment for intra-articular fusion.

Abstract: A bone void forming assembly includes a support member having a head portion and an elongate portion extending therefrom. A guide member is connected to the support member and has a guide body including a channel extending therethrough. The channel defines an axis offset and obliquely angled relative to an axis of the elongate portion. The assembly also includes reamer having a cutting head and a stop member. A bushing is slidably connected to the reamer between the stop member and cutting head and is slidably connectable to the guide body via the channel.

Abstract: A system that includes a cervical plate and an intervertebral cage, the cervical plate having a mounting section that renders the cervical plate mountable to a reference feature located on the front wall of the intervertebral cage, the reference feature being positioned to set a distance between an eyelet of the cervical plate and an edge of the front wall to position the eyelet over a mounting location on a vertebra when the mounting section is mounted to the reference feature.

Abstract: Patient specific instruments, systems and methods for maintaining, correcting and/or resurfacing joint surfaces. A tibia alignment guide including a body with a first surface and a second surface, a base portion coupled to and extending away from the first surface of the body, and a tower portion coupled to and extending away from a top surface of the body.

Abstract: Devices, systems, and methods for locking a drill guide into a polyaxial hole while maintaining the form and function of the polyaxial hole are provided herein. In some embodiments, the drill guide includes a hollow outer body extending from a proximal end to a distal end and having a slot disposed proximate the proximate end, wherein the distal end is configured as a reverse collet having a plurality of prongs; an inner body having a central channel extending therethrough; and a lever coupled to the inner body through the slot, wherein the slot is shaped such that rotation of the lever results in motion along a central axis of the drill guide, and wherein a distal end of the inner body is configured to prevent radially inward deflection of the plurality of prongs when the inner body is in a lowermost position.

Abstract: Provided is a femoral tunnel guide device including: a handle; a guide tube coupled to the handle and extending in one direction: and an offset unit extending from the guide tube and spaced apart by a predetermined distance from a virtual extension line of the guide tube in the one direction.

Abstract: An aiming guide system configured for connection to a bone plate including an aiming arm and a connection assembly. The aiming arm has a rigid body extending from a proximal end to a distal end with a plurality of aiming holes defined through the rigid body between the proximal end and the distal end thereof. The distal end defines an attachment slot through the body. The connection assembly is configured to engage an attachment screw hole of the bone plate and the attachment slot such that the aiming arm is fixed in position relative to the bone plate with each of the aiming holes aligned with a respective hole along the bone plate.

Abstract: A targeting system (1) for the guided insertion of a guide wire (50) or a bone screw comprising: a stabilization body (2) fixed to the bone by means of stabilization screws (3); a guide sleeve (4) adapted to receive a guide cannula (5) for the insertion of the guide wire (50) or bone screw; articulated connection means (6) adapted to connect the stabilization body (2) to the guide sleeve (4) and allow the relative spatial position of the guide sleeve (4) to be varied with respect to the stabilization body (2).

Abstract: An instrument for collecting tissue from a body cavity includes a hollow tubular body having a tubular wall. The hollow tubular body can collect material from a body cavity in a coring mode or an aspiration mode. The tubular wall defines a passage that extends from a proximal end portion of the tubular body to a distal end portion of the tubular body. A middle section of the tubular body includes an articulating section that allows the middle section to articulate relative to the proximal end portion. The distal end portion includes at least one suction port extending from an outer wall surface to an inner wall surface of the tubular wall. The suction port provides a path of fluid communication between the outer wall surface and the passage for drawing in tissue from a body cavity when the tubular body is connected to a source of negative pressure.

Abstract: A positioning device is provided, having a guiding bow, wherein the guiding bow at least in section thereof is designed as or comprises a push-in section to be inserted into a sleeve of a push-in sleeves arrangement; wherein the guiding bow comprises or is connected to an adjusting device, wherein the adjusting device comprises at least one targeting device, and wherein the targeting device is designed to receive, at least in section, an interlocking device or an instrument for acting on the interlocking device.

Abstract: Described herein is a bone implant including at least one bone-engaging surface designed to mate with an implant-engaging surface of a bone. In the preferred embodiment, the bone-engaging surface of the implant includes a wave pattern comprising at least one peak extending in a proximal direction or at least one valley extending in a distal direction. The implant-engaging surface of the bone also includes a matching wave pattern having at least one peak and valley. Upon mating the engaging surfaces, a bone-implant interface may be created wherein the peaks and valleys of the wave patterns are aligned. As a result, there is good surface contact area at the bone-implant interface which helps prevent loosening or rotating of the implant.

Abstract: A bone drill guiding device including a drill entry part comprising a cannula having a distal end portion and sized to receive a bone drill, a drill exit part comprising a fixation tip portion and a coupling that rigidly couples the drill entry part and the drill exit part so that longitudinal axes of the cannula distal portion and the fixation tip portion are arranged on a single mutual axis. In some embodiments, the coupling is a linear sliding coupling that parallels the single mutual axis.

Abstract: A surgical drill alignment guide is disclosed that can provide an accurate trajectory for placement of a bone screw along a longitudinal axis of a bone.

Abstract: Dental instrumentation for use in guiding a cutting tool to remove tooth structure from a working tooth is prepared. A digital model of cutting guide shell structure for placement around a portion of the tooth to be treated is combined with preset tool movements to be made by the cutting tool by one or more processors to define final cutting guide data corresponding to final cutting guide structure for guiding the cutting tool. A digital model of a fixation instrument configuration for fixing the dental instrumentation to an adjacent tooth to the working tooth is combined with the final cutting guide data by one or more processors to define final instrument configuration data corresponding to a final instrument configuration for releasably fixing the dental instrumentation to the adjacent tooth and for guiding the cutting tool in the removal of the tooth structure from the tooth to be treated.

Abstract: A targeting kit comprises (i) a mounting arrangement for releasably mounting the targeting kit on an implant, (ii) first and second guide members having an elongate shape with a bore running along its longitudinal axis (iii) a holding arrangement for holding the first and second guide members, the holding arrangement being adjustable between a release condition, in which the positions of the first and second guide members are adjustable, and a holding condition, in which the first and second guide members are in a fixed position, and (iv) a bridging arrangement between the mounting arrangement and the first and second guide members, to space the first and second guide members with respect to the mounting arrangement, the bridging arrangement being adjustable between a release condition, in which the position of the mounting arrangement is adjustable, and a holding condition, in which the first and second guide members are fixedly spaced.

Abstract: Adjustable drill guides and related methods are disclosed herein. An exemplary drill guide can include an adjustment mechanism that allows for precise incremental adjustment of the drill guide's depth setting while securely maintaining the device at a fixed setting between adjustments. The adjustment mechanism can improve the safety and security of the drill guide, for example by limiting adjustment only to those situations where it is specifically intended by the user, thereby reducing or eliminating the risk of inadvertent depth adjustment. In some embodiments, a drill guide can include high visibility, easy-to-read depth indications while maintaining a slender profile and without shifting the user's eye gaze, for example by employing a multi-surface moving scale having a text height that is at least twice the adjustment increment. Handles, protection sleeves, navigation adapters, and various other accessories that can be used with or without a drill guide are also disclosed herein.

Abstract: A patient-specific surgical guide including at least one guiding element for guiding a surgical instrument to treat a subcutaneous anatomical structure of the patient. A first patient-specific contact element with a first patient-specific contact surface to fit a portion of the subcutaneous anatomical structure is rigidly connected to the at least one guiding element. The patient-specific surgical guide includes at least one second patient-specific contact element having at least one support element for supporting a percutaneous pin or needle whose tip is intended to contact a point of the subcutaneous anatomical structure or an anatomical structure rigidly connected thereto. An elongated junction member rigidly couples the at least one guiding element to the at least one second contact element.

Abstract: The present invention provides a drill guide for orthopedic surgery. The drill guide is configured to facilitate drilling of a bone tunnel with a correct and repeatable placement. The drill guide is designed for drilling of the femoral bone during knee surgery. More particularly, in certain embodiments the drill guide is designed for ACL repair and replacement surgery. In a preferred embodiment of the present invention, the guide has 5 members: a center rail, a side rail, an anteromedial slider, a femoral slider, and a center pin.

Abstract: A pocket hole jig includes a body with a base surface positionable against a workpiece, and a drill guide pivotally coupled to the body. The drill guide defines a guide axis such that a drill bit is insertable into the drill guide along the guide axis. The drill guide is pivotable relative to the body to adjust an inclination angle of the guide axis relative to the base surface.

Abstract: A bi-directional fixating transvertebral (BDFT) screw/cage apparatus is provided. The BDFT apparatus includes an intervertebral cage including a plurality of internal angled screw guides, a plurality of screw members, and a cage indentation adjacent to the screw guides that independently or supplemented by other screw locking mechanisms prevents the screw members from pulling out of the internal angled screw guides. The internal angled screw guides orient a first screw member superiorly and a second screw member inferiorly. The intervertebral cage is adapted for posterior lumbar intervertebral placement, anterior lumbar intervertebral placement, anterio-lateral thoracic intervertebral placement, or anterior cervical intervertebral placement.

Abstract: A spinal construct comprises a body defining a first groove. A transverse rod is formed with the body. A first band is disposable in the first groove. A base is connectable with the body and engageable with the first band. The base defines a second groove and a slot. A second band is disposable in the second groove and defines an opening aligned with the slot. A shaft is connectable with the base and engageable with the second band. The shaft is configured to penetrate tissue. The opening is aligned with the slot to facilitate an angular range of movement of the shaft relative to the body. Implants, systems, instruments and methods are disclosed.

Abstract: A patient-specific navigational guide for use in spinal surgery, comprising two tubular guiding members integral with a supporting frame and extending from a proximal opening to a distal opening for guiding a surgical operation on a patient's vertebra. The contact members are designed to mate with a corresponding plurality of contact areas on the patient's vertebra in order to define a unique coupling configuration of the patient-specific navigational guide on the patient's vertebra. Said contact members comprise at least one pair of a first main contact member, designed to abut, at least partially, on the upper articular process, or facet, of the patient's vertebra, and a pair of second main contact members, designed to abut on a contact area corresponding to the lamina of the patient's vertebra. Said tubular guiding members each have a slot extending from the proximal opening to the distal opening.

Abstract: A method of preparing a knee joint for a prosthesis in a patient includes mating a patient-specific three-dimensional curved inner surface of a femoral alignment guide onto a corresponding three-dimensional femoral joint surface of the patient. The patient-specific three-dimensional curved inner surface is preoperatively configured from medical scans of the knee joint of the patient. First and second holes are drilled into an anterior portion of the femoral joint surface through corresponding first and second guiding apertures of the femoral alignment guide.

Abstract: A patient-specific pin guide for performing a total ankle arthroplasty can comprise a tibia pin guide, a talus pin guide and an interlocking component. A patient-specific cutting guide system for performing a total ankle arthroplasty can comprise a talus cutting guide and a tibia cutting guide. A method of performing a total ankle arthroplasty can comprise: coupling a patient-specific talus pin guide to a talus; coupling a patient-specific tibia pin guide to a tibia; positioning an interlocking device between the patient-specific tibia pin guide and the patient-specific talus pin guide; inserting guide pins into the patient-specific tibia and talus pin guides; removing the patient-specific talus and tibia pin guides from the guide pins; and coupling patient-specific talus and tibia cutting guides to the talus and tibia using at least some of the guide pins to alternatively perform resections on the tibia and talus.

Abstract: A system for creating a patient-specific jig model for patellar resurfacing surgery comprises a patellar implant positioning module for obtaining a planned position of a patellar implant on a model of the patella, the model being anatomically patient-specific. A patella resurfacing calculator module calculates a position and/or orientation of a resurfacing plane and attachment bore in the patella as a function of the planned position of the patellar implant.

Abstract: A positioning and alignment instrument, and methods of use thereof, are provided for facilitating the alignment and insertion of a device, such as a guide wire, into bone. The instrument includes a handheld anchoring component and a rotatable guidance component. During use, the anchoring component is anchored into bone via anchoring protrusions, such that the position and orientation of the anchoring component is fixed relative to the bone. The guidance component, which is mechanically supported by the anchoring component, includes a device guide channel for receiving the device and guiding the device towards an insertion location adjacent to the distal end of the anchoring component. The guidance component is rotatable relative to the anchoring component about a rotation axis that is located adjacent to the distal end of the anchoring component, such that the insertion location remains adjacent to the distal end of the anchoring component under rotation.