Abstract: A bone harvesting device is disclosed as including a drill body for drilling into bone, the drill body being rotatable about its central longitudinal axis, and a saw pivotable relative to the drill body about a pivoting axis parallel to the central longitudinal axis of the drill body, the drill body including a cavity which opens at a lower open longitudinal end of the drill body, and the saw being pivotable relative to the drill body between a first position in which the saw is clear of the lower open longitudinal end of the drill body and a second position in which the saw blocks part of the lower open longitudinal end of the drill body.

Abstract: An apparatus and method for collecting particulate bone from the operating site during an osteotomy or bone drilling procedure so that it can be used subsequently to augment the bone fusion process. A bone cutting or drilling tool is provided with a module for collecting particulate bone simultaneously with cutting or drilling the bone. The collected particulate bone is transferred continuously to a sterile containment module and maintained under sterile conditions until it is prepared for re-use in the patient.

Abstract: An attachment for a surgical instrument including a drive input hub for connection to a power source; a drive output hub for connection to a surgical instrument; and a body connecting the drive input hub to the drive output hub, the body including a mechanism for transferring drive from the input hub to the output hub, and wherein the body, the drive input hub and the drive output hub are at least in part not coaxial. A method for surgically preparing a bone using the attachment is also provided.

Abstract: Disclosed are devices and methods for creating a bore in bone. The devices and methods described involve driving a rotating bit in an axial direction such that both rotation and linear movement are controlled and measurable. The instrument is useful for a surgeon to control and simultaneously measure the travel of the tool into the bone and prevent injury to surrounding structures.

Abstract: The present invention relates to a device for penetrating human nails as a part of treatment for Onychomycosis, commonly known as fungal nail. The device comprises a reusable electromechanical system and a single use cutting component. The electromechanical system incorporates an electrical motor and drive train to advance the cutting component through the nail. The electromechanical system also incorporates sensors for measuring the cutting resistance for the purpose of preventing the cutting device from overrunning into the nail bed. The device can be used to penetrate the nail in a controlled manner which will create a portal through the nail without penetrating the nail bed below the nail.

Abstract: An apparatus for inserting a suture anchor into an internal anatomical site through a cannula, or percutaneously, has a curved hollow guide for insertion into the cannula and/or tissue. The guide has a proximal end and a distal end. The distal end has a “parabolic” shape for engaging the intended anatomical site such as a glenoid. A flexible obturator is insertable through the curved guide from the proximal end to the distal end to facilitate insertion of the guide through the cannula. A flexible drill is insertable through the curved guide from the proximal to the distal end once the guide is in place. A flexible inserter is provided for inserting a suture anchor into a bore at the anatomical site formed by the flexible drill.

Abstract: An angled instrument assembly includes an angled sleeve, a driver shaft, and a tool bit. The angled sleeve includes a straight passage segment that meets an angled passage segment at a junction. The junction includes an inner elbow and an outer elbow. Material is removed from the inner surface of the inner elbow in order to improve the ease with which the driver shaft can be moved in and out of the angled sleeve. The assembly can also include drafted female or male engagement bodies for facilitating the engagement and disengagement of the tool bit with a tool bit engagement assembly located at the distal end of the driver shaft.

Abstract: Devices for treating a bone and methods of inserting such devices into a bone are disclosed. A device for treating a bone may include a flexible tube, a stiffening mechanism and an actuator. The flexible tube has a distal end and a proximal end. The stiffening mechanism within the flexible tube is configured to cause the flexible tube to become rigid. The actuator is configured to cause the stiffening mechanism to cause the flexible tube to become rigid in response to the actuator being actuated.

Abstract: A device for introduction into a body in a straight configuration and assuming within the body a predefined curved configuration, includes an elongated element formed from a number of segments interconnected so as to form effective hinges therebetween. When the elongated element is confined to a straight state, the effective hinges transfer compressive forces from each segment to the next so that the elongated element can be pushed to advance it through a conduit. When the elongated element is not confined to a straight state, the effective hinges allow deflection of each segment relative to adjacent segments until abutment surfaces of the segments come into abutment, thereby defining a fully flexed state of the elongated element with a predefined curved configuration. The device can be produced with a wide range of two-dimensional and three-dimensional curved forms, and has both medical and non-medical applications.

Abstract: A minimally invasive method for drilling into bone and for providing for delivery of medical treatment is provided. The method includes use of a drilling system includes a miniature shaft, a bit, a guide tube encapsulating the shaft during drilling and a cortex adapter thereafter to prevent closure of the drilled hole, a stylet to prevent blockage of the resulting passage, and introduction for treatment following removal of the stylet. As a result, a hole, targeted towards a cancerous lesion within the bone, is possible.

Abstract: A surgical milling cutter includes a milling cutter bracket, a locking device and a bottom electric motor connected successively. The milling cutter bracket includes a fixing seat with a through hole. A finger guide apparatus with an L-type first bracket at the top end thereof is provided on the upper part of the fixing seat. The end of the L-type first bracket's short side is provided with a downward projection. The lowest point of the projection is lower than that of the milling cutter's cylindrical head when the milling cutter is working normally. The surgical milling cutter utilizes the projection to prevent the possibility of an object contacting with the cylindrical head, thus avoiding an object being cut unevenly. Meanwhile, the L-type bracket can be driven by the finger guide apparatus to rotate so as to change the running direction of the milling cutter, thus facilitating surgical procedures.

Abstract: A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed.

Abstract: Reamer sleeves, reamer assemblies, and methods of assembling the reamer assemblies are disclosed. The reamer sleeves include a base portion with a top surface and a bottom surface and a securement mechanism extending away from the top surface of the base portion. The securement mechanism includes an opening, at least one engagement member adjacent the opening, and at least one engagement protrusion extending away from the engagement member into the opening. The opening extends through the securement mechanism to the bottom surface of the base portion. The bone reamer assembly including a reamer and a reamer sleeve removably coupled to the reamer. The reamer including a shaft with a first and second end, a cutting member coupled to the second end of the shaft, and a groove near the second end of the shaft. A method of assembling a hard tissue reamer assembly is also disclosed.

Abstract: An endplate for an intervertebral prosthesis includes an inner domed region and a peripheral rim wherein the inner domed region has a non-circular plan and has an area that is at least 50% of the area of the endplate. A surgical instrument for milling a recess in a vertebral endplate includes a cutting tool having a drive shaft with a positioning collar, a guard frame, and a pair of guide plates attached to the guard frame and spaced to confine the positioning collar and having guide slots for the drive shaft.

Abstract: Disclosed is a medical driving device having a first motor coupled to a region of a first drive shaft; a second motor coupled to a second drive shaft; a coupler coupled to the second drive shaft and interchangeably connected to a working tool; a tool guide assembly comprising a tool guide surrounding the working tool and a surface guide having a distal region configured to couple to the tool guide and a proximal region configured to couple to the first motor, wherein the first motor causes axial motion of the tool guide assembly to a retracted state and drives a length of the working tool into a target region of a bone; a torque sensor configured to sense torque in at least the second motor by continuously measuring current used to drive the second motor; and programmable electronics package to keep RPMs constant. Related methods, systems, and/or articles are described.

Abstract: A method of performing vertebral facet fusion by lateral approach and related devices. The lateral approach to facet fusion involves identifying the lateral mass and then introducing any of the fixation methods known or described herein laterally at one or more facets through the use of a hollow cannula. A surgical bone staple have a perforated bridge is used across the lateral facet joint where fixation is required. Where fusion is desired, a bone screw have lateral perforations of the shank is inserted through the bridge perforation at the joint to promote fusion. The staple and screw may be used in conjunction with one another or individually. The facet joint may be distracted prior to fixation to increase the foraminal space and decompress the neural structures to relieve pain. The method involves less surgical time, reduced blood loss and discomfort for the patient as compared to the posterior approach.

Abstract: A kit system for use in surgery that includes a disposable drill bit, a disposable battery, a reusable adjustable drill guide, and at least one of a battery powered driver and a manual driver that are reusable.

Abstract: A device is provided to harvest bone grafts. The device generally consists of two pieces: an auger-type drill bit and a guide. The guide may have arms, etc., to keep the guide in place along a bone, and also may have a pivotable drill guide for the drill bit to be inserted. The auger drill bit may include a shoulder that acts as a depth guide to prevent the drill from extending too deep into bone. The device may be used to make multiple passes through a bone using only one drill hole. A method for harvesting bone graft is also provided.

Abstract: A flip cutter and drill instrument and method of antegrade drilling and retrograde cutting using such an instrument. The flip cutter and drill instrument is provided with a drill which has a multi-blade configuration and which engages an inner tube or inner member of the instrument to articulate between at least a first “straight” position (for example, about parallel to the longitudinal axis of the instrument) when the instrument is in the drilling mode, and at least a second “flip” position (for example, a non-parallel position relative to the longitudinal axis of the instrument) when the instrument is in the cutting mode.

Abstract: One embodiment of the present invention includes a surgical instrument including an instrument body including a shaft having a distal end, a proximal end and a length therebetween; and a bushing having a length, wherein at least a portion of the length of the bushing includes a spring portion including a resilient member, wherein the bushing is cannulated such that the shaft of the instrument is positioned therethrough.

Abstract: Technologies related to articulated bone drill and articulated bone tap apparatus are generally described. In some examples, articulated bone drills and taps may comprise bendable spines, movable bits, and flexible cylindrical tap or drill sleeves. The movable bit may be engaged at a distal end of the spine, and tensioning the spine and/or longitudinal displacement of at least one spine section with respect to at least one other spine section may be effective to steer the bit. The flexible cylindrical sleeve may be adapted to at least partially encase the spine, and the sleeve and the bit may be mechanically engaged so that rotation of the sleeve around the spine is effective to rotate the bit.

Abstract: A technique and reconstruction system for ligament employing a button/loop construct with a drill pin. The drill pin has a shaft with a proximal and a distal end. A pin tip provided at the distal end of the shaft has a width greater than the shaft diameter. The pin tip helps cut a wider tunnel for fixation of ligaments/grafts in reconstructive surgeries. The shaft of the drill pin is provided with a laser marks for measurement of intraosseous length.

Abstract: The present disclosure relates to a method of creating a bone tunnel during ligament reconstruction surgery. The method includes placing a guide wire through the femur, the guide wire having a first end portion including a pointed tip and a second end portion; placing a drill mechanism over the first end portion of the guide wire, the drill mechanism having a first end portion including a drill bit and a second end portion including an attachment portion; coupling an adaptor assembly to the attachment portion, the adaptor assembly including a shaft; coupling a drill to the shaft and operating the drill to create a tunnel in the femur; coupling a drill bit assembly to the second end portion of the guide wire and locating the assembly against the drill bit of the attachment portion; and operating the drill to create a counter bore within the tunnel.

Abstract: Procedures and instruments for preparing and transplanting osteochondral allograft plugs to a host bone to repair an articular cartilage defect. An allograft bone plug having a cartilage plate and cancellous bone tissue attached thereto is removed from a donor bone. The allograft plug is further shaped by removing or cutting away cancellous bone tissue to form a cancellous stalk extending from the cartilage plate. At the recipient site of the host bone, a cutout is formed corresponding in shape to the allograft plug. The allograft plug is inserted into the cutout such that the cancellous stalk is retained in the host bone and the cartilage plate aligns with the condyle surface of the host bone.

Abstract: A single use bone cutter comprised of two concentric cylinders and a series of insert blades or cutter disc is described. The cutter blades or cutter disc is preferably positioned at the distal end of the cutter. The bone cutter also comprises a guide rod that aids in the line of sight when using the cutter device.

Abstract: An apparatus and method for penetrating bone marrow is provided. The apparatus may include a housing such as a handheld body, a penetrator assembly, a connector that releasably attaches the penetrator assembly to a drill shaft, a gear mechanism, a motor and a power supply and associated circuitry operable to power the motor. The penetrator assembly may include a removable inner trocar and an outer penetrator or needle. It may also include a grooved trocar that allows bone chips to be expelled as the apparatus is inserted into bone marrow. Various connectors are provided to attach the penetrator assembly to the drill shaft.

Abstract: The present invention provides surgical drilling devices and methods. An exemplary surgical drilling device in accordance with the present invention comprises a housing, a retractable guide tube assembly, and a flexible cable drill. The retractable guide tube assembly includes an arcuate guide tube having a first portion that is slidingly positioned in an arcuate portion of the housing. A second portion comprising an actuating tube is slidingly positioned in a linear portion of the housing. The arcuate guide tube is controllably advancable from the housing and retractable into the housing. The flexible cable drill comprises a first portion slidingly positioned in the arcuate guide tube and a second portion slidingly positioned in the actuating tube.

Abstract: Tissue removal probes comprise an elongated member, a drive shaft rotatably disposed within the member, and a rotatably tissue removal element mounted to the distal end of the drive shaft. One tissue removal element comprises a plurality of tissue-cutting filaments affixed at proximal and distal ends of the tissue removal element. The cutting filaments may have optional hinge points that allow the distal end of the tissue removal element to be inverted, thereby transforming the tissue removal element from a tissue-cutting device to a tissue-grasping device. Another tissue removal element may have a blunted tip to prevent distal tissue trauma and an irrigation port to provide irrigation fluid to the removed tissue and/or tissue removal element. Another tissue removal element has a proximal and distal spiral grooves that are oppositely pitched, so that removed tissue can be collected in the middle of the tissue removal element.

Abstract: System and methods for channeling a path into bone include a trocar having a proximal end, distal end and a central channel disposed along a central axis of the trocar. The trocar includes a distal opening at the distal end of the trocar. The system includes a curved cannula sized to be received in the central channel, the curved cannula comprising a curved distal end configured to be extended outward from the distal opening to generate a curved path extending away from the trocar. The curved cannula has a central passageway having a diameter configured to allow a treatment device to be delivered through the central passageway to a location beyond the curved path.

Abstract: A surgical instrument including a tool, a handpiece, and a locking member. The handpiece includes both a coupling member configured to cooperate with the tool, and a driver for rotating the tool. The locking member is movable from an unlocked position to a locked position in response to centrifugal force generated during rotation of the locking member. The locking member is configured to secure the tool to the handpiece when in the locked position.

Abstract: A burr attachment removably attached to an adapter rotary driven by a motor that includes a tube with a wire shaft supported therein and a wire coil (no spring rate) serving as a journal bearing rotary supporting the wire shaft and having each of the coils randomly touch the outer periphery surface of the wire shaft and the inner peripheral surface of the tube to enhance cooling and attenuate vibrations while allowing the burr attachment to be bent without kinking. The burr attachment includes a proximal end support and a distal end support that removably attaches to the adapter. The wire shaft is affixed to the proximal end support and rotates relative to the distal end support operatively connected to the adapter. Only the burr attached is removable and disposable while the adapter and motor are re-usable.

Abstract: Disclosed herein is a steerable and curvable drill that can be used for various applications including vertebroplasty. The drill can include an elongate, tubular body, having a proximal end, a distal end, and a central lumen extending therethrough; a deflectable zone on the distal end of the tubular body including one or more laser cuts, deflectable through an angular range; an insertable wire insertable into at least a portion of the central lumen of the elongate, tubular body; a handle on the proximal end of the tubular body; a deflection control on the handle; a drill control on the handle; a drive shaft within the elongate tubular body having a proximal end and a distal end; and a boring element on the distal end of the device for creating a cavity within bone. The boring element can be operably connected to the distal end of the drive shaft via a crimping mechanism. Systems and methods involving the drill are also disclosed.

Abstract: A scalable modular hip resurfacing arthroplasty system includes (1) an alignment guide for precise guide pin insertion, (2) a modular cannulated cylindrical reamer assembly for accurate femoral head cylindrical reaming and central bone channel drilling, (3) a saw guide for an accurate femoral head osteotomy, (4) a soft tissue protector with a stepped design to shield and retract tissues, (5) a hip retractor that seats onto a prepared femur, (6) an outer hole drill guide aiding drilling of peripheral holes, and (7) a femoral resurfacing implant with a cap portion and central stem adapted for multiple modular attachments including plates. A method for preparing the proximal femur for hip resurfacing with novel stepped cylindrical femoral head osteotomy and central bone channel drilling, leaving an intact collar of cortical bone above the femoral head articular rim.

Abstract: A flexible reamer for preparing a hole in a tissue includes a shaft that extends along a longitudinal axis between a proximal end and a distal end. The shaft is cannulated through and has a flexible portion along at least a portion of its length. The flexible portion includes a plurality of discrete, interlocking portions. An asymmetric tip at the distal end of the shaft has at least one flute positioned off-axis relative to a longitudinal axis of the flexible reamer.

Abstract: An implant comprising a first, second, and third segment wherein the second and third segments partially overlap the first segment and define a load bearing surface comprising an anterior-posterior (AP) curvature including at least two tangential curves of the portion of the articular surface of the femoral condyle, the tangential curves having different radii of curvature. A drill guide comprises a body portion including a first, second and third bushing spaced along the body portion to establish a first, second and third axes, respectively. Each axis may be substantially normal to the articular surface at three different points along a curvature of the articular surface comprising the two tangential curves. A measuring device comprises a housing defining a longitudinally passageway and an outrigger. A guide pin may be received in the longitudinal passageway and a measuring device determines how far the guide pin is in the passageway.

Abstract: The present invention relates to medical apparatuses and procedures for reconstructing a ligament. There is provided a trephine (10) comprising an adaptor (11), an elongate reamer (12) coupled thereto, and a reamer support stem (13), wherein the reamer support stem is mounted concentrically within the reamer and adaptor, and wherein at least a portion of the reamer support stem is slidably moveable about a longitudinal axis of the trephine.

Abstract: A method for simultaneously drilling at least two peripheral peg holes in a bony surface, the method comprising providing a peripheral peg drill component including a housing with a first side, a second side opposite the first side and at least two drill bits extending from the second side of the housing; releasably coupling the first side of the peripheral peg drill component to a drilling device; advancing the peripheral peg drill component over an alignment pin extending from a bony surface until each of the at least two drill bits engage the bony surface; actuating a driving mechanism of the peripheral peg drill component with the drilling device to cause the at least two drill bits to rotate; and simultaneously penetrating the bony surface with the at least two drill bits as they rotate.

Abstract: A method for simultaneously drilling at least two peripheral peg holes in a bony surface comprising providing a peripheral peg drill component including a housing with a first side, a second side opposite the first side and at least two drill bits extending from the second side of the housing; advancing the peripheral peg drill component over an alignment pin extending from a bony surface until each of the at least two drill bits engage the bony surface; actuating a belt circumferentially surrounding a series of pulleys to cause the at least two drill bits to rotate; and simultaneously penetrating the bony surface with the at least two drill bits as they rotate.

Abstract: A cutting burr that includes a pair of axially spaced diamond-shaped portions designed to be keyed into a spindle of a locking mechanism of a high speed surgical drilling instrument and adapted to fit into a single pawl thereof to lock said cutting burr in place so as to prevent axial movement thereof and provide concentric rotation of said cutting burr without any wobbling. The orientation of both portions may be identical with respect to a center plan and diamond shape in the portion at the proximal end of the shank of the cutting tool may be larger than the intermediately located diamond shape of the other portion. The apexes of the facets of the six-sided diamond shape may be disposed below the surface of the shank of the cutting burr.

Abstract: An arthroscopic surgical device for tunneling through hard tissue including an arcuate tunneling needle driver and a bone engagement element, the arcuate needle driver and the bone engagement element being joined together to provide a joined needle driver and bone engagement element having at least two different operative orientations including an arthroscopic operative orientation wherein the joined arcuate needle driver and bone engagement element has a trans-incision insertion cross-sectional footprint and a tunneling operative orientation suitable for tunneling, wherein the joined arcuate needle driver and bone engagement element has a tunneling cross-sectional footprint which is substantially greater than the insertion cross-sectional footprint.

Abstract: A bone drill that includes a shaft with a flexible portion having a proximal end and a distal end and a drill tip coupled to the distal end of the shaft. The bone drill also includes a cannulated sheath with a proximal end and a distal end, the sheath housing a portion of the shaft and having a curved portion at the distal end. The drill tip may also be housed within the curved portion of the sheath. The bone drill may also include a hub with an actuator mechanism, the hub being coupled to the sheath, wherein the actuator mechanism retracts the sheath to cause the drill tip to extend beyond the distal end of the sheath.

Abstract: A kit includes an orthopaedic implant stem, and a reamer assembly for reaming a proximal portion of a cavity, said reamer assembly cooperating with a proximal portion of the orthopaedic implant stem, said reamer assembly comprising, a sleeve defining an inner periphery, said sleeve configured to fit over the proximal portion of the orthopaedic implant stem, said sleeve defining an outer periphery, and a reamer including a body defining a cavity formed therein for receiving at least a portion of the outer periphery of said sleeve, a plurality of cutting edges extending outwardly from said body, said cutting edges adapted for cooperation with bone, and a stem extending from an end of the body, wherein the sleeve comprises a locking feature and the stem comprises a connection feature to removably secure the sleeve to the proximal portion of the orthopaedic implant stem when assembled together.

Abstract: A method for providing joint arthroplasty includes resecting an end portion of a long bone, preparing a central longitudinal opening in a medullary canal of the long bone, providing a prosthetic stem component, installing the prosthetic stem component into the opening in a medullary canal, providing a reamer including an opening for receiving the prosthetic stem component, positioning the reamer onto the prosthetic stem component with the opening of the reamer positioned at least partially over the prosthetic stem component, reaming a portion of the long bone with the reamer, removing the reamer, and installing a prosthetic body component onto the prosthetic stem component.

Abstract: A cutting instrument having a body, a blade at a distal end of the body, and a mechanism for rotating the blade from a first to a second position. The instrument can be used in a method of retrograde drilling a hole in bone. The cutting instrument is provided with a mechanism (for example, a pin and a slot) that converts linear motion into rotational motion and locks the blade into position. The cutting blade is configured to engage the shaft of the instrument and to lock into the shaft. The cutting blade is articulated between at least a first “straight” position (for example, about parallel to the longitudinal axis of the instrument) when the instrument cuts in an antegrade manner, and at least a second “flip” position (for example, a non-parallel position relative to the longitudinal axis of the instrument) when the instrument cuts in a retrograde manner. The cutter instrument may also include a button mechanism for controlling the linear movement.

Abstract: A tissue disruption device (10) for deployment via a rigid conduit (100) includes a rotary tissue disruptor (12) insertable along the conduit with its axis of rotation (14) parallel to the direction of conduit elongation (16). An angular displacement mechanism allows selective displacement of the rotary tissue disruptor (12) such that the axis of rotation (14) sweeps through a range of angular motion. A rotary drive is linked to the rotary tissue disruptor so as to drive the rotary tissue disruptor in rotary motion while the rotary tissue disruptor is at a range of angular positions within the range of angular motion.

Abstract: A system for repairing a defect on a patient's articular surface comprising a guide, a guide pin, a reamer, and an implant. The guide is configured to be disposed about the defect and includes a passageway configured to establish a reference axis extending generally outwardly from the articular surface. The guide pin is configured to be received through the guide passageway along the reference axis and into bone beneath the articular surface. The reamer comprises a cannulated shaft configured to be advanced over the guide pin along the reference axis and further comprises a cutting surface configured to be rotated about the guide pin to form an excision site. The implant comprises a bone facing surface configured to be received in the excision site and a load bearing surface having a contour approximating a contour of the patient's articular surface.

Abstract: The present disclosure relates to a surgical aimer including a shaft having a proximal portion and a distal portion and a handle coupled to the proximal portion of the shaft. The handle includes a mechanism for coupling the shaft to the handle and releasing the shaft from the handle.

Abstract: A number of orthopaedic surgical instruments for use in a surgical procedure to prepare a patient's femur to receive an orthopedic prosthesis. The tools include guide tools, cutting tools, surgical blocks, and other orthopaedic surgical instruments configured to plan and guide the preparation of the patient's femur. A method of using the orthopaedic surgical instruments is also disclosed.

Abstract: An orthopedic device holder and related system and method are disclosed. The orthopedic device holder can include a body member, a cannulated plunger, and a resilient member. The body member can include a longitudinal main body and an extension portion. The cannulated plunger can be slidably mounted inside the body member and movable between a first position and a second position. The plunger can be configured such that in the second position, a plunger distal end extends past a main body distal end, and in the first position, the plunger distal end assumes a more proximal position. The resilient member can be positioned adjacent a plunger proximal end and can be configured to urge the plunger towards the second position. The extension portion of the body member can project distally from the main body distal end and can include a locking member, which can be configured to fit into a mating recess of an orthopedic device.

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.