Abstract: The invention relates to a surgical system comprising: (i) a handheld device (100) comprising: a base (1), an end-effector (2) for mounting a surgical tool or tool guide, an actuation unit (4) connected to said base (1) and end-effector (2), a support unit (5) designed to make contact with the treated part to be treated or an adjacent region to provide a partial mechanical link between the base (1) or end-effector (2), and the part to be treated, (ii) a tracking unit (200), (iii) a control unit (300) configured to: (a) compute in real time an optimized path of the end-effector, (b) detect whether said computed path of the tool or end-effector can be achieved without changing the pose of the base, and, if not, determine a possible repositioning of the base with respect to the part to be treated, (c) configure the actuation unit so as to move the end-effector according to said computed path, and (d) iterate steps (a) to (c) until the planned volume has been treated, (iv) a user interface (400).

Abstract: An orthopedic screw is provided which includes an outer part having a tip, a head, threads disposed on an outer surface of the outer part between the tip and the head, and a longitudinal cavity with an opening in the head. The orthopedic screw further includes an inner part enclosed by the outer part and is removable from the outer part via the opening of the head. The outer part is made of a material softer than a material of the inner part to ensure shock absorption when the orthopedic screw is in inserted state into a bone of a human body.

Abstract: Active robotic systems and methods for proximal tibia and/or a distal femur resections via a sagittal cutting blade to facilitate implantation of a total knee arthroplasty prosthesis. The systems include an articulated arm, a sagittal cutting blade defining a cutting edge that is configured to cut while being oscillated, and an end effector coupled to an end arm segment of the articulated arm including a powered drive portion that oscillates the sagittal cutting blade. The system is configured to autonomously adjust the relative orientation of the arm segments of the articulated arm while the sagittal cutting blade oscillates along the cutting pathway to autonomously spatially translate the cutting edge of the sagittal cutting blade along a plurality of optimized programmed cut paths to perform resections of portions of the proximal tibia and/or a distal femur of a patient.

Abstract: A bone cutting guide may include a support that contains a shaft movable relative to the support. The shaft may carry a guide member having one or more cut guides through which a clinician inserts a cutting member to cut bone positioned under the guide cut guides. In operation, a clinician may fixate the support of the bone cutting guide to a bone and translate the guide member until the one or more cut guides are positioned at a desired cut location. The clinician may then perform a cut through the cut guide.

Abstract: Guides for guiding a tool into a medullary canal of a bone. The guides can include a base and a guide feature. The base can include a first surface configured to contact the bone and a second surface opposite the first surface. The guide feature can be disposed to guide the tool along a central portion of the medullary canal.

Abstract: A surgical device and surgical system for use in a total knee arthroplasty. The surgical device is configured for aligning an extramedullary alignment rod, and has a supporting portion having at least two supporting geometries. The supporting geometries are each adapted for support on an anterior edge of a tibia. A reference portion projects in an anterior direction from the supporting portion and has at least two reference geometries that are separated from one another along a reference line that extends in a proximodistal direction. The reference line is separated from the supporting line by an anterior distance and extends parallel to the supporting line. The reference geometries and/or the reference line serve as a reference for aligning the extramedullary alignment rod instead of the anterior edge of the tibia. The reference geometries are each adapted for at least mediolaterally form-fit mounting of the extramedullary alignment rod.

Abstract: A surgical instrument for use in a total knee arthroplasty includes a first fastening device and a guide device releasably coupled to the first fastening device and configured for releasable coupling to a second fastening device. The guide device has a sliding guide with at least one guide slot extending longitudinally along a guide track and at least one sliding member which is received in the at least one guide slot so as to be slidingly movable along the guide track. The first fastening device has at least one push-fit receiver, by which the at least one sliding member is introduced into the at least one guide slot forming a releasable push-fit connection with the first fastening device.

Abstract: A spinal fixation device includes a modular head assembly and a bone screw having a head and a shank. The modular head assembly includes: a housing defining a throughhole from a proximal surface to a distal surface of the housing; an anvil slidable within the throughhole; a washer; an assembly cap secured to the housing; a first biasing member arranged to bias the anvil toward the proximal surface of the washer; a retaining ring positioned at least partially within the cavity of the assembly cap; and a second biasing member arranged to bias the retaining ring toward the second portion of the assembly cap. Movement of the retaining ring from a first portion of the assembly cap to a second portion of the assembly cap compresses the retaining ring from a neutral configuration to a compressed configuration thereby securing the bone screw relative to the housing.

Abstract: An expanding and shaping device for cervical spinal canal and a mounting device are provided, including the first fixing part, the second fixing part, and the fasteners. The passing-through direction of the fasteners is consistent with the direction of the incision. The fasteners are nailed along a coronal surface. The fasteners pass through the second fixing hole to connect the lateral mass.

Abstract: Systems and devices may include a motor operatively coupled to a driveshaft configured to be driven in a first direction in a first mode for impaction and a second direction in a second mode for retraction. Systems and devices may include an anvil configured to be operatively coupled to an implement. Systems and devices may include an impaction cam operatively coupled to the driveshaft, wherein: the impaction cam, when in an impaction position, is configured to strike the anvil when driven by the driveshaft in the first direction to drive the anvil in an impaction direction. Systems and devices may include a retractor configured to be driven by the retraction cam in the second direction, wherein the retractor is configured to strike the anvil to drive the anvil in a retraction direction.

Abstract: There is disclosed an orthopaedic impactor, comprising: a strike assembly arranged to impart a force to an object; and a winding arranged to receive a current and thereby generate a magnetic field. The winding is arranged to interact with the strike assembly so that, in use, a magnetic field generated by the winding causes the strike assembly to move so as to impart the force to the object.

Abstract: A surgical system to facilitate a spinal procedure on a vertebral body includes a robotic manipulator including an arm and a tool holder. The tool holder defines a tool holder channel extending along a tool holder axis. The tool holder channel has a tool holder diameter. The surgical system also includes a guide tube configured to slide into the tool holder channel. The guide tube includes a body extending along a body axis and defining a body channel. The body has a proximal portion defining the body channel and having an outer proximal portion diameter that is less than or equal to the tool holder. The body has a distal portion extending from the proximal portion along the body axis and further defining the body channel. The distal portion includes a side surface that is configured to engage a surface of the vertebral body to minimize skiving.

Abstract: There is disclosed an orthopaedic impactor, comprising: a strike assembly arranged to impart a force to an object; and a winding arranged to receive a current and thereby generate a magnetic field. The winding is arranged to interact with the strike assembly so that, in use, a magnetic field generated by the winding causes the strike assembly to move so as to impart the force to the object.

Abstract: A method for guiding a surgeon on how to adapt a pre-planned position of an implant interface. The implant interface is configured to couple to an implant connector configured to connect the implant interface with an implant interface of another implant. The method is performed by a processing system and comprises obtaining a pre-planned position of an implant interface, obtaining reference positions of the implant interface, determining a deviation between the pre-planned position and the reference positions, and triggering display of a visualization comprising an indication of the deviation to guide a surgeon on how to adapt the pre-planned position of the implant interface. A system and a computer program are also described.

Abstract: The present invention relates to a rupturing tool for surgical interventions and to a rupturing system comprising the rupturing tool and a rupturing movement generator device. The rupturing tool and system are intended for the field of traumatology, particularly to the creation of bone tunnels suitable for the proper anatomical reconstruction of tendons and ligaments; for example, for the creation of bone tunnels in interventions for reinserting the supraspinatus muscle tendon of the rotator cuff of the shoulder joint or in interventions for reconstructing the anterior cruciate ligament (ACL) of the knee joint.

Abstract: A bone plate for treating shoulder joint injury includes a bone plate body and an aiming plate, the bone plate body includes a fixed part and a hook part. The fixed part is provided with a plurality of fixed holes and an accommodating groove thereon, the hook part is Z-shaped and is used for fixing the acromioclavicular joint, the hook part is connected to one end of the fixed part, the aiming plate is configured to be capable of being arranged in the accommodating groove of the fixed part, the aiming plate is provided with a plurality of aiming holes thereon, wherein when the fixed part is placed on the acromioclavicular joint and the aiming plate is arranged in the accommodating groove of the fixed part, the aiming hole of the aiming plate is aligned with an anatomical attachment point of an coracoclavicular ligament of the acromioclavicular joint.

Abstract: A medical screw, including: a first region comprising a constant diameter first root having a first diameter and a constant pitch multi-start thread; a second region forming a transition region; and a third region including a constant diameter root having the first diameter and a constant pitch thread, wherein the transition region is in between the first region and the second region and joins the first region with the second region, and wherein a lead of the constant pitch multi-start thread is different from a lead of the constant pitch thread.

Abstract: A resection system for the proximal tibia may include an implantable device having at least a first sensor configured to collect first data regarding one or more characteristics of a bone of a patient, wherein the implantable device is configured for implantation in a medullary canal of the tibia. The resection system may also include a cutting tool, a second sensor configured to collect second data regarding at least an angle of the cutting tool and a controller. The controller can be configured to: determine a first position of the implantable device from the first data, determine an orientation of a mechanical axis of the tibia based at least in part on the first data; and determine an orientation for the cutting tool relative to the tibia based upon the second data and at least one of the orientation of the mechanical axis and the first data.

Abstract: A surgical instrument for the removal of cannulated screws or members, the device includes an elongated body comprising a first end, a second end opposite the first end, and a screw tip contact member disposed proximate the second end. The elongated body is formed of a resilient material. The elongated body has a first longitudinal axis and the elongated body further has a portion proximate the screw tip contact member that is canted relative to the longitudinal axis. Methods of using the device to remove a cannulated bone screw from bone are also provided.

Abstract: An improved fracture cabling system has one or more spacers. Each spacer has a longitudinal length extending along a body of the spacer. The body has an upper portion with an aperture configured to receive a wire or cable and a lower portion having one or more pairs of feet spaced by a longitudinal gap or groove. Each of the one or more pairs of feet is located on a lateral side of the spacer body and configured to contact a bone with a fracture. The gap is configured to be positioned over the fracture with each foot positioned on a side of the bone spaced from the fracture. The longitudinal length of the one or more spacers is preferably curved or arcuate. Each body of the one or more spacers has a leading end and a trailing end.