Abstract: A tissue treatment device and method comprising a plurality of spaced-apart elongated electrodes configured to receive radio frequency (RF) signal from an RF energy source and for be inserted into tissue at a plurality of depths. The elongated electrodes having a first polarity and a single flat electrode located having a second polarity. The single flat electrode is located in vicinity of the elongated electrodes and configured for contacting the tissue surface and for receiving the RF signal from the RF energy source. An actuating mechanism connected to the plurality of elongated electrodes and configured to move the elongated electrodes in two opposite directions into and out of the tissue.

Abstract: An assembling kit for installing intramedullary nail is provided, which is suitable for assisting in fixing a securing member to at least one fixing hole of an intramedullary nail placed in a bone. The assembling kit for installing intramedullary nail includes a drilling member, a guiding member and a hole-reaming member. The drilling member is configured to form an opening on a surface of the bone and has a tapping portion. A diameter of the tapping portion is greater than a diameter of the fixing hole. The guiding member is configured to be put into the fixing hole along a central axis. The hole-reaming member is sleeved on the guiding member and is configured to ream the opening to form a mounting hole. The hole-reaming member has a reaming portion, and a diameter of the reaming portion is greater than the diameter of the tapping portion.

Abstract: An acetabular implant kit includes a first acetabular component that has an inner surface that defines a first concave profile. A second acetabular component includes an inner surface that defines a second concave profile. An instrument includes an elongated body that has a first end and a second end. A head is connected to the second end of the body and has an engagement surface. The engagement surface includes a first convex profile and a second convex profile. The first and second convex profiles are arranged along a longitudinal axis of the head and have a first radius of curvature configured to congruently engage the first concave profile of the first acetabular component. The second convex profile has a second radius of curvature configure to congruently engage the second concave profile of the second acetabular component. The first radius of curvature is different than the second radius of curvature.

Abstract: In some examples, a medical device includes a substrate defining a central port configured to provide surgical access to a surgical site opposite the substrate during a surgical procedure; and a plurality of reinforcement features disposed around the central port, wherein each reinforcement feature of the plurality of reinforcement features is configured to receive a suture, and wherein the plurality of reinforcement features are positioned to cause the substrate to tighten around the central port in response to tension being applied to ends of at least one suture connecting two or more reinforcement features.

Abstract: A force-limiting and damping device has a body, a tapping element, a shock-absorbing element, and a limiting module. The body has a connecting segment and a holding segment. The tapping element is connected to the body to move relative to the connecting segment and has a mounting segment, a tapping segment, and a fixing segment. The mounting segment is movably connected to the connecting segment. The tapping segment is disposed on an end of the mounting segment below the connecting segment. The fixing segment is connected to the mounting segment and abuts the connecting segment. The shock-absorbing element is mounted on the mounting segment and abuts the connecting segment and the tapping segment. The limiting module is mounted between the body and the tapping element and has a force-limiting element mounted between the mounting segment and the connecting segment to provide a force-limiting reminder effect and a damping effect.

Abstract: Systems and methods for prosthetic implant revision surgery may include a robot having a robotic arm for attaching multiple surgical tools. The robot may generate a surgical plan for attaching the surgical tools to the robotic arm (e.g., a large diameter wheel, an in-line cutting tip, a posterior curved cradle, a reciprocal saw, a long burr, a trephine reamer, an osteotome, a keel remover, etc.) and performing the steps to remove an anterior flange/cap of a prosthetic knee and debond cement from bone within the intramedullary canal of a tibia or femur. The robot may include cameras and/or tracking devices for mapping/generating a three-dimensional model of an operating space and the implant, and determine precise planes and angles for approaching the implant with the surgical tools. Accordingly, the systems and methods may perform revision surgery with less bone loss than previous techniques and may result in more reproducible outcomes.

Abstract: A device for assessing the solidity of a material comprising an ancillary tool (2) having an end (2B) in the form of a point or blade, an impactor (4) for striking the ancillary tool (2), a sensor (12) and a processing unit (30). The ancillary tool (2) is placed between a material (8) and the impactor (4) and transmits the impact force generated by the impactor (4) to the material (8). The sensor (12) is capable of measuring a quantity from among the impact force and the deformation of the impactor, and of supplying a measurement signal. The processing unit (30) is suitable for calculating, from the measurement signal, an indicator representative of the solidity of the material (8). The indicator corresponds to the duration of a time window between the first peak (P1) of maximum amplitude of the measurement signal and the second peak of maximum amplitude (P2).

Abstract: An apparatus including a sterilizable tray having a base and at least one fixture connected to the tray adapted for removably securing an implant insertion device to the tray. The tray can be free of a first wall portion for permitting the proximal end of an implantable device to axially align with the end of the implant insertion device for coupling to the implant insertion device and can be free of a second wall portion for permitting a tool to axially align with the end of the implant insertion device so as to threadedly couple the implant insertion device to the implantable device. Related methods and apparatus are provided.

Abstract: An implant extractor assembly that includes a handle, and a mount connectable to the handle. The mount includes a main body, a quick connect about a proximal end of the main body, and an L-shaped connector about a distal end of the main body. The L-shaped connector includes a through hole having a longitudinal axis transverse to a longitudinal axis of the main body.

Abstract: A decorticating device for preparing a sacroiliac joint (“SI Joint”) to receive a graft implant. The decorticating device comprises an abrading head having abrading surfaces on a first pair of opposing sides, the abrading surfaces configured for decorticating the cortical bone of the SI Joint. The abrading head further comprises a second pair of opposing sides, each side of the second pair of opposing sides comprising a curved distal portion having a curved cutting edge.

Abstract: An orthopaedic surgical instrument system includes a first broach including a first end configured to be separately secured to a handle and a tapered body having a plurality of cutting teeth defined therein, and a second broach including a first end configured to be separately secured to the handle in place of the first broach, a first tapered body extending distally from a second end positioned opposite the first end, and a second tapered body extending distally from the first tapered body. The tapered body of the first broach and the first tapered body of the second broach have a first outer geometry and the second tapered body has a second outer geometry different from the first outer geometry.

Abstract: A method for forming and abrading an implant void in a sacroiliac joint (“SI Joint”) without the use of a rotary cutting instrument. The method incorporates a multimodal abrading device having abrading surfaces on opposing sides and an open tip comprising a cutting edge. The method includes the step of using the abrading head to cut bone tissue from the SI Joint at an insertion point while simultaneously using the abrading surfaces to decorticate the cortical bone at the insertion point.

Abstract: Briefly, the invention herein is an extractor for clamping and extracting the femoral component from a patient's femur, comprising a body, a lever, a fulcrum, and a strike plate, wherein: (a) defined within the body is an opening for the lever and a threaded surface that cooperates with a threaded fastener to lock the extractor on the femoral component; (b) the lever extends through the lever opening and includes a clamping surface and a locking surface; (c) the locking surface cooperates with the threaded surface of the body to lock the lever in place; (d) the fulcrum comprises a stainless steel pin extending through the body and the lever; and (e) the strike plate is configured to receive the blows of a mallet.

Abstract: Systems, instruments, tools and methods for facilitating the removal of a knee or hip implants and other bone implants.

Abstract: Technologies for determining seating of an orthopaedic implant during an orthopaedic surgical procedure includes an impaction sensor and an impaction analyzer. The impaction sensor produces sensor data, in response to an impaction between an orthopaedic mallet and a surgical tool indicative of an initial impact and a secondary impact of the impaction. The impaction analyzer analyzes the sensor data to determine a temporal length between the initial and secondary impacts and determines whether the orthopaedic implant is sufficiently seated into the bone based on the temporal length.

Abstract: A punchdown tool for fitting wires into connectors including a housing with a front side, a back side, a front end, a rear end opposite the front end, a leading surface on the front end, and an interior defined between the front and back sides. The punchdown tool also includes a drive mechanism with a hammer, an anvil, and a drive spring. The drive mechanism is positioned in the interior of the housing adjacent the front end. The punchdown tool further includes a circuit board positioned in the interior of the housing adjacent the rear end with a controller. The punchdown tool also includes a light positioned on the leading surface of the housing that is electrically coupled to the controller and at least one battery positioned in the interior of the housing for supplying power to the light and the circuit board.

Abstract: A device for forcefully inserting a surgical implant in a recipient bone by impaction, comprising an impactor (10) that exerts an impaction force on the implant and is associated with at least one sensor (12). The sensor (12) measures a value from among the exerted impaction force and the deformation of the impactor (10) and provides a measurement signal representing the temporal variation of said value during an impact. The sensor (12) is connected to a processing unit (30) that is configured to compute, on the basis of the temporal variation of said value during the impact, an indicator representing the level of contact between the implant and the recipient bone. The indicator corresponds to the duration separating the instant corresponding to the first maximum amplitude peak of the measurement signal from the instant corresponding to the second maximum amplitude peak of the measurement signal. The implant can be a femoral rod (2).

Abstract: A decorticating device for preparing a sacroiliac joint (“SI Joint”) to receive a graft implant. The decorticating device comprises an abrading head having abrading surfaces on a first pair of opposing sides, the abrading surfaces configured for decorticating the cortical bone of the SI Joint. The abrading head further comprises an open tip having a cutting edge configured to cut bone tissue in the SI Joint.

Abstract: A method for forming and abrading an implant void in a sacroiliac joint (“SI Joint”) without the use of a rotary cutting instrument. The method incorporates a multimodal abrading device having abrading surfaces on opposing sides and an open tip comprising a cutting edge. The method includes the step of using the abrading head to cut bone tissue from the SI Joint at an insertion point while simultaneously using the abrading surfaces to decorticate the cortical bone at the insertion point.

Abstract: The present invention is a control device that controls an operation of at least one electric device and includes a user interface unit configured to receive an operation command for the at least one electric device, the user interface unit having a notification window associated with the at least one electric device in a home screen; and a control unit configured to, when an event associated with the at least one electric device has occurred, perform control such that notification information associated with the event is displayed in the notification window, and when the notification information is selected, perform control such that the home screen is switched to at least one of a service screen and a control screen.

Abstract: A spinal implant insertion tool includes a handle portion formed by the proximal ends of a first prong and second prong and an attachment portion formed by the distal ends of the first prong and the second prong. The spinal implant insertion tool also includes a hinged portion positioned between the handle portion and the attachment portion where the first and second prongs are coupled by a hinge. A first attachment section includes first connectors for holding a spinal plate. A second attachment portion includes second connectors for holding a spinal cage. The first prong includes an oblique portion so that it is nonlinear, while the second prong is linear, so that the hinge is offset from the spinal cage and spinal plate held by the spinal implant insertion tool.

Abstract: A cannulated nail extractor including an extractor having a proximal end for connecting to an extraction device, a distal end opposite the proximal end, and a connector extending from the distal end. The cannulated nail extractor further includes an engagement wire having an enlarged proximal end configured to engage the extractor and an enlarged distal end configured to engage a distal end of the cannulated nail. The cannulated nail extractor further includes a positioning wire for insertion into the cannulated nail for urging the enlarged distal end of the engagement wire into engagement with the distal end of the cannulated nail, whereby exerting an extraction force on the extractor produces extraction force by engagement of the enlarged distal end of the engagement wire on the distally facing end of the cannulated nail.

Abstract: An orthopedic impacting tool comprises a motor, a linear motion converter, an air chamber, a compression piston, an impacting element, an anvil element, and a broach adapter. The compression piston may cause the impacting element to apply controlled force on a broach adapter to create a precise opening for subsequently disposing a prosthesis in a patient. The tool allows forward or backward impacting for expanding the size or volume of the opening or for facilitating removal of the broach and tool from the opening. A force adjustment control of the tool allows a user to increase or decrease the impact force. A light source and hand grips improve ease of operation of the tool.

Abstract: A multimodal abrading device for preparing a sacroiliac joint (“SI Joint”) to receive a graft implant. The abrading device comprises an abrading head having abrading surfaces on a first pair of opposing sides, the abrading surfaces configured for decorticating the cortical bone of the SI Joint. The abrading head further comprises an open tip having a cutting edge configured to cut bone tissue in the SI Joint. The abrading device further comprises a slide hammer assembly at a proximal end of the abrading device, the slide hammer assembly having a released position that enables operation of the slide hammer assembly, and a locked position that prohibits operation of the slide hammer assembly.

Abstract: Extraction instruments and systems for use in revision arthroplasty are provided. The extraction instruments are shaped and configured to fit within the typically tight confines in which revision arthroplasty is performed, and to enhance the surgeon's control over the axis, quantum and speed of the force that is required be applied to disrupt a bone-to-prosthesis bond. This enables completion of a revision arthroplasty to proceed more quickly, and with reduced risk that unwanted movements might cause accidental injury to nearby vital structures.

Abstract: A spinal implant insertion tool includes a handle portion and an attachment portion extending distally from the handle portion. A first attachment section on the attachment portion is adapted to secure a surgically sterile spinal plate to the spinal implant insertion tool. A second attachment section on the attachment portion is adapted to secure a surgically sterile spinal cage, so that the spinal plate and the spinal cage may be attached to the spinal implant insertion tool simultaneously. The second attachment section is sized to allow the spinal plate to pass over the second attachment section before the spinal plate is secured to the first attachment section.

Abstract: A modular surgical instrument for knocking out or implanting a prosthesis that defines a prosthesis axis and which has a prosthesis neck includes a tool head with a passthrough for accommodating the prosthesis neck, a locking device for locking the mounted prosthesis neck, and a chuck, which has an axis for transferring a clamping force for the locking device. The passthrough and the chuck are arranged on opposite ends of the tool head relative to a lengthwise direction defined by the axis of the chuck, wherein the passthrough defines a passthrough axis which coincides substantially with the prosthesis neck axis when the prosthesis neck is locked in place. The axis of the chuck is at a distance from a plane defined by the lengthwise direction and the passthrough axis and/or is at a distance from a passthrough lengthwise axis that extends in the lengthwise direction and through the passthrough.

Abstract: The invention provides an impactor for transmitting an assembly force to a component of an orthopaedic implant. The impactor has first and second telescoping parts which are biased apart by means of a main spring. The main spring is compressed when an assembly force is applied to the parts. An indicator is latched against movement until it is released when the extent of the compression of the main spring by the application of an assembly force exceeds a threshold. The indicator then moves to provide the user with an indication that a minimum assembly force has been applied.

Abstract: A dilator that facilitates implantation of an interspinous spacer is provided. The dilator includes a proximal portion and a tapered distal portion interconnected by an elongated body portion. The tapered distal portion is ideally suited for splitting ligamentous tissue for creating a posterior midline pathway through the supraspinous ligament as well as for distracting the adjacent spinous processes. Two oppositely located and longitudinally extending channels or grooves are formed in the outer surface of the dilator for stabilizing the dilator with respect to the spinous processes. An accompanying cannula together with the dilator form a system for the distraction of the adjacent spinous processes, stabilization of the spinous processes with respect to the system and creation of a working channel for the implantation of an interspinous spacer.

Abstract: An orthopaedic surgical instrument system includes a first broach including a first end configured to be separately secured to a handle and a tapered body having a plurality of cutting teeth defined therein, and a second broach including a first end configured to be separately secured to the handle in place of the first broach, a first tapered body extending distally from a second end positioned opposite the first end, and a second tapered body extending distally from the first tapered body. The tapered body of the first broach and the first tapered body of the second broach have a first outer geometry and the second tapered body has a second outer geometry different from the first outer geometry.

Abstract: A power tool includes an output member, a drive mechanism operable to perform work on the output member in one of a first mode or a second mode, and an actuator for activating the drive mechanism in the first mode or the second mode based upon an amount of time the actuator is depressed.

Abstract: An orthopaedic surgical instrument system includes a first broach including a first end configured to be separately secured to a handle and a tapered body having a plurality of cutting teeth defined therein, and a second broach including a first end configured to be separately secured to the handle in place of the first broach, a first tapered body extending distally from a second end positioned opposite the first end, and a second tapered body extending distally from the first tapered body. The tapered body of the first broach and the first tapered body of the second broach have a first outer geometry and the second tapered body has a second outer geometry different from the first outer geometry.

Abstract: An orthopedic bone cutter for cutting bone and tissue is described. The orthopedic bone cutter comprises a cutting shell and a cutting insert that resides within an opening that extends through the apex region of the shell. A pin and slot mechanism positioned within the shell interior provides for independent axial and rotational movement of the insert within the shell. The shell comprises a partially hemispherical structure having a plurality outwardly extending and spaced apart shell cutting teeth. The insert comprises an annular sidewall that meets an end wall having a plurality of outwardly extending and spaced apart insert teeth. With the insert at a retracted position within the shell, the bone cutter is rotated in a first direction to cause the shell cutting teeth to cut, for example, an acetabular roof and labrum. Then, rotation of the shell in a second opposite direction causes the shell to stop cutting, but provides for the insert to extend outwardly to cut the acetabular floor and fossa.

Abstract: A cup and a temporary insert are respectively configured to be tightly press fitted into each other along their periphery. The temporary insert includes a through hole communicating outside with a free space between the outer surface of the temporary insert and the inner surface of the cup. In the through hole can be engaged the threaded end of an impactor, for manipulating the cup when it is being set. A syringe can be engaged, enabling a liquid under pressure to be injected into the free space, thus separating the temporary insert from the cup without any risk of damaging the inner surface of the cup. Thus, the cup can be securely manipulated when it is being set without any risk of damaging the inner surface of the cup.

Abstract: A system for replacing at least a portion of a natural facet joint includes a fixation member implantable in a vertebra, an inferior facet articular surface and an inferior strut which may be formed separately from the inferior articular surface. The inferior strut has a first end securable to the fixation member and a second end which may comprise a sphere with a hemispherical surface. An attachment mechanism may include a capture feature shaped to receive the second end of the inferior strut, and the mechanism may provide an adjustable configuration, allowing polyaxial adjustment between the inferior articular surface and the second end. A locking member may be actuated to exert force on the second end to provide a locked configuration. The system may further include a superior facet joint implant with a superior articular surface shaped to articulate with the inferior articular surface.

Abstract: Device for inserting an insert (1), made in particular of ceramic material, into a cup designed to be received in the cotyl of a hip, characterised in that it comprises: means (17, 20, 21, 22) for gripping the insert, in particular an upper free edge of the insert; a rod (5,6) designed to impinge on the insert when it is held by the gripping means opposite the hollow part of the cup; and means (32, 33, 34) for imparting a downwards shock to the rod to push the insert into the cup, i.e. introduce it by force to the inside of the cup, said shock imparting means imparting a shock to the rod with a predetermined force.

Abstract: Driver assemblies, drivers, drill bits, and methods for determining information (such as impedances, voltages, voltage differences, and changes in such information) about biological material during a medical procedure.

Abstract: A power tool includes an output member, a drive mechanism operable to perform work on the output member in one of a first mode or a second mode, and an actuator for activating the drive mechanism in the first mode or the second mode based upon an amount of time the actuator is depressed.

Abstract: A method of inserting a femoral prosthesis includes coupling an insertion/extraction instrument with an insertion/extraction cavity of a femoral component using a threaded member, the insertion/extraction cavity defining a cavity axis which is not parallel with a longitudinal axis defined by a proximal stem portion of the femoral prosthesis, inserting a distal end portion of the femoral prosthesis into a femur, impacting a proximal end portion of the insertion/extraction instrument, and transferring an impact force from the proximal end portion to the femoral prosthesis through the threaded member.

Abstract: A retention insert (1), for connecting a dental prosthesis structure to a dental implant or capping structure having a head designed for a press-fit connection, comprises a substantially circular disc-shaped end face (12), and a substantially ring-shaped retention edge (11), which protrudes from the end face (12) and has an outer surface (114). The end face (12) has an opening (121), and, starting from an end (11b) of the retention edge (11) directed away from the end face (12), a substantially axial slit (14) extends through the retention edge (11) and the end face (12) to the opening (121) of the end face (12). Connected to the opening on the end face, the slit of the retention insert according to the invention is a relatively simple structure which ensures that the retention insert, and in particular the retention edge thereof, has an elasticity sufficient for snap-fitting it onto the head or the patrix head.

Abstract: A novel and improved elbow prosthesis and method of implanting same including a novel aggregate prosthesis having a retaining system in conjunction with a set plate.

Abstract: A rotary mill is disclosed comprising a body portion (4) having a milling surface (10) and a central bore (20) extending along an axis of rotation (18) of the body portion (4); and a guide portion (6) having a guide body (22) and a guide peg (24) extending from the guide body (22), the guide peg (24) operable to be received in the central bore (20) of the body portion (4), the guide body (22) having at least one alignment feature (28, 30) which is the same as that of a prosthesis component.

Abstract: A surgical guide can include a first portion comprising an outer surface configured to conform to a portion of an acetabulum of a particular patient. The first portion can be configured to accommodate the ligamentum teres of the patient. The surgical guide can be configured to receive a second portion that includes an alignment portion defining an alignment axis such that when the surgical guide is coupled to the acetabulum, the alignment axis is oriented at a predetermined orientation relative to the acetabulum. The second portion can include a depth-limiting feature configured to limit insertion of a guide rod along the axis to a patient-specific insertion depth.

Abstract: According to one aspect of the present invention, a soft tissue preservation arrangement includes a hollow shell defining an interior volume extending from a proximal opening to a distal opening. The proximal opening is defined by a first perimeter that is smaller than a second perimeter defining the distal opening such that the shell tapers outwardly from the first perimeter to the second perimeter. The second perimeter is asymmetrically scalloped. The hollow shell either (1) is transparent or semi-transparent or (2) has a color configured to correspond to a color of a gingival tissue or a tooth.

Abstract: A cup and a temporary insert are respectively configured to be tightly press fitted into each other along their periphery. The temporary insert includes a through hole communicating outside with a free space between the outer surface of the temporary insert and the inner surface of the cup. In the through hole can be engaged the threaded end of an impactor. for manipulating the cup when it is being set. A syringe can be engaged, enabling a liquid under pressure to be injected into the free space, thus separating the temporary insert from the cup without any risk of damaging the inner surface of the cup. Thus, the cup can be securely manipulated when it is being set without any risk of damaging the inner surface of the cup.

Abstract: A device and method for spreading apart adjacent vertebrae bodies for the safe insertion of an IBD into an IVD space said device designed for minimally invasive procedures and posterior or anterior approaches.

Abstract: An insertion guide to aid in placing a cage into an intervertebral space is presented. The insertion guide has an elongate insertion member having a cross-sectional shape configured to engage a portion of the cage. An end of the insertion member is positioned in a desired location in the intervertebral space and the cage slides along the length of the insertion member to the desired location.

Abstract: The present invention provides a design method designing an implant specific drill bit comprising steps; e. determining or selecting a size and shape of an orthopedic implant comprising a circular shaped implant body and a centrally placed circular shaped extending post protruding from the bone contacting surface in a longitudinal y-axis direction of the implant; and f.

Abstract: An improved method of performing total knee arthroplasty. The method including making an incision having a length of less than eleven (11) centimeters proximate a knee joint of a leg of a patient. Performing all of the following through the incision: moving a femoral cutting guide through the incision; positioning the femoral cutting guide against a femur of the leg; cutting a medial condyle, a lateral condyle, and a trochlear groove of the femur of the leg to create at least one femoral cut surface; moving a unitary femoral component of a knee implant through the incision to replace articulating surfaces of the medial and lateral condyles and the trochlear groove; and positioning the unitary femoral component with respect to the at least one femoral cut surface.

Abstract: Aspects of the claimed invention relate generally to devices for delivering bone graft compositions to implants that have been positioned between vertebral bodies during surgery and methods of using such devices. Embodiments of the invention provide ease of bone graft delivery in situ while providing an environment for the mixing of bone graft, insertion of the bone graft, and packing of the graft into the voids above and below the implant.