Abstract: In a facet joint reamer with a shank and teeth at the distal end, the distal end is widened compared with the remainder of the shank.

Abstract: A device for increasing movement of a tooth in a jaw includes a handle, an elongate member extending from the handle, a screw tip at a distal end of the elongate member, and a sleeve. The screw tip is configured to drill into cortical bone of the jaw to increase movement of the tooth. The sleeve is configured to move along the elongate member to vary the length of exposed screw tip.

Abstract: The present disclosure provides a cut guide for use in preparation of the distal femur to form the anterior, anterior chamfer, distal, posterior chamfer and posterior facets as well as the intercondylar box cuts utilized to prepare a femoral intercondylar box. To allow for the use of a single cutting guide to make all of these femoral osteotomies, the present disclosure implements an orthopedic guide assembly including a primary guide body with a secondary guide body rotatably connected to the primary guide body. With this configuration, the secondary guide body can be rotated into an operable position to guide a femoral osteotomy and may also be rotated into an inoperable position in which it is moved from a configuration (i.e., the operable position) in which it acts as a barrier to movement of an osteotome across a guide surface of the primary guide body.

Abstract: The present invention provides a discectomy instrument that is capable of removing portions of the spinal disc between adjacent vertebrae in a controlled manner that is efficient and easy to use. In an exemplary embodiment, the discectomy instrument includes a handle, a rotary scraper, a barrel, a drive shaft, an outer sleeve and a retaining clip.

Abstract: Improved instruments for modifying a shape of a proximal femur of a patient for installation of a stem of a femoral component of a prosthetic hip during hip replacement surgery, comprising a handle including an elongated shaft extending downward approximately in a z-direction, a first offset extending from a bottom of the elongated shaft approximately in a y-direction, a second offset extending from the second offset approximately in an x-direction, and a shaping member elongated downward from the second offset approximately in the z-direction. Provided is an improved femoral broach and an improved osteotome. Also provided is a method of improving a patient's positioning during hip replacement surgery by using a variable configuration mattress for positioning the patient.

Abstract: A medical instrument serves for cutting off tissue and cartilage from a body. It comprises an outer shaft having at least a first window in a distal end area thereof. A hollow inner shaft is received within the outer shaft and can be rotated about a longitudinal axis of the outer shaft. The hollow inner shaft has at least one opening cooperating with the at least one window of the outer shaft in a cutting action when turning the inner hollow shaft. A further window is provided in the distal end area of the outer shaft which further window is surrounded by a curette having a separating edge. Tissue and cartilage separated by the curette can be cut into small pieces by the cutting edges of the rotatable inner shaft and then be sucked in through an opening of the inner hollow shaft.

Abstract: Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. A reciprocating rasp for use in the surgical preparation of a glenoid includes a shaft having a first end configured to be secured in a chuck of a reciprocating tool, and a cutting head secured to a second end of the shaft. The cutting head includes a cutting surface having a plurality of cutting teeth arranged in a geometry that corresponds with a geometry of the glenoid prosthesis, and an inwardly curved concave guide surface that is devoid of cutting teeth and configured to receive a guide pin inserted in the glenoid of the patient when the cutting head is secured to the second end of the shaft.

Abstract: A surgical instrument including a cutting instrument for shaping a bone as well as an impaction/extraction device for use with the cutting instrument is disclosed.

Abstract: Methods and apparatus provide for modifying a patient's femur to receive a patellofemoral prosthesis, including: a distal punch, an anterior punch and a trochlear punch which are used in well defined orientations to remove material from the femur to accommodate complex geometries of a patellofemoral prosthesis; and optionally a guide operating to engage a distal end of the femur, the guide including a distal slot, an anterior slot and a transverse slot, which ensure that the punches achieve the desired orientations.

Abstract: A bone scoring device having a body, a scoring member configured to engage a bone surface and a first biasing member connected to and configured to rotate the scoring member is provided. The scoring member being axially movable between a first, non-rotatable position, such that the scoring member is engaged with the body and a second rotatable position such that the scoring member is released from engagement with the body and freely rotates. The scoring member having an abrasive surface to score the surface of the bone in which it is put in contact. A method for using the scoring device as well as a kit including the scoring device are also provided.

Abstract: A surgical tool, enabling extraction of a prosthesis from a bony implantation site of that prosthesis, defines a proximo-distal axis and includes a distal end head adapted both to cut at least partially the bonding interface between the prosthesis and the bony material of the implantation site and to fix itself to the prosthesis by rotation centered on the proximo-distal axis, according to embodiments of the present invention.

Abstract: A system for preparing a bone implant includes a chisel and a cutting guide. The chisel includes a handle includes an elongate body having a distal end and a proximal end. A chisel head is connected to the distal end of the handle. The chisel head includes a stop and a blade distally extending from the stop. The stop defines a notch. A mushroom head radially extends from the proximal end of the handle. The cutting guide has a body defining a cavity and a plurality of slots. The cavity is sized and configured to receive a bone implant. The plurality of slots are each sized and configured to receive the blade of the chisel.

Abstract: A method, tools, and system for performing a percutaneous or minimally invasive spine fusion procedure are provided. A trocar and then dilator are used to create a channel for a hollow and longitudinally slit delivery tube. The method includes inserting a decorticator, such as a rasp, via a delivery tube, decorticating a first region of a first bone associated with a spine, and pushing a bone fusion substance via the delivery tube to the region to fuse the first region with a second region of a second bone associated with the spine. The spine fusion may be a posterolateral fusion and the first region may be a transverse process region of a lumber spine. The bone fusion substance may be pushed using a pusher instrument inserted into the delivery tube, and the delivery tube may be removed while the pusher instrument is held in place to direct the bone fusion substance.

Abstract: A revision tool may include a revision rod, crank and osteotome. The osteotome may include a shearing portion and a shank, and may be coupled to the revision rod via advancing device threads. The revision rod may be driven into an implant and engage the implant using an implant pin and implant threads. The osteotome may then be driven by the crank and positioned by the shank to sheer bone surrounding the implant. A slap hammer may then be used to remove the implant attached to the revision rod.

Abstract: A system for preparing a proximal femur can include a broach that includes a broach body having an anterior side, a posterior side, a lateral side and a medial side. The medial side can have a roughened cutting surface. The lateral side can have a smooth, non-cutting surface. The system can further include a cutting scribe assembly and a cutting guide assembly.

Abstract: The present invention pertains generally to a surgical tool for cutting and shaping bone, cartilage and other anatomical structures. In particular, described herein are surgical tools having at least two cutting surfaces.

Abstract: A joint replacement kit for use in a joint replacement procedure replacing a portion of a body joint. The kit includes a cutting guide and a trial component wherein the cutting guide and trial component are packaged together. There is also provided a method for replacing a portion of a body joint. The method includes providing a joint replacement kit having a cutting guide and a trial component, positioning the cutting guide against an end portion of a bone, cutting the end portion of the bone with a cutting instrument, positioning the trial component to the cut end portion of the bone, and disposing of the cutting guide and trial component.

Abstract: A bone grinder utilizing a removable cutter head unit for maintaining the processing of bone and for substantially precluding the main body of the bone grinder from being exposed to bone tissue.

Abstract: A medical device and method of using the device to reinforce and stabilize a compressed tissue is disclosed. The medical device comprises a shaft with a single blade that is biased with a bend, but is elastic enough to be straightened. The end of a cannula is inserted into a tissue, and the blade and shaft are then inserted into a cannula to straightens the blade and direct it to the tissue site. When the blade reaches the tissue site, the blade naturally returns to its bent biased state, and the shaft and blade are then rotated to pulp a volume of tissue. A binding material is then injected into the pulped tissue without removing the tissue.

Abstract: A surgical instrument including a cutting instrument for shaping a bone as well as an impaction/extraction device for use with the cutting instrument is disclosed.

Abstract: An osteotome may include a handle; a shaft coupled to the handle; a cutting member coupled to the shaft, wherein the cutting member comprises a first cutting surface positioned perpendicular to a second cutting surface, and wherein said first and second cutting surfaces extend downward relative to the shaft; and a stop means configured to control the depth of cut by the cutting member.

Abstract: A device for adapting a surface roughness of bone, the device comprising: a hollow body having a delivery tip at a distal end, the body being removeably attachable to a handle; a means for supplying fluid to and from the delivery tip to impart a surface roughness similar to that of a bone fracture surface. A device for adapting a surface roughness of bone, the device comprising: a body having an impacting tip at a distal end, the body or the impacting tip being removeably attachable to a handle; a means for generating reciprocating motion of the impacting tip, wherein the impacting tip is arranged to impart a surface roughness similar to that of a bone fracture surface.

Abstract: A device for modifying one or more tissues in a patient's spine may include: an elongate, at least partially flexible body having a proximal portion and a distal portion, wherein at least the distal portion has dimensions that allow it to be passed into an epidural space and between target and non-target tissues of the spine; at least one movable blade disposed along one side of the elongate body; at least one actuator coupled with the at least one blade and disposed at or near the proximal or distal portion of the body for moving the blade(s) to modify one or more target tissues, wherein the at least one actuator is configured to move the blade(s) without significantly translating the elongate body proximally or distally; and means at or near the proximal and distal portions of the elongate body for facilitating application of at least one of anchoring force and tensioning force to the body to urge the at least one blade against the target tissue.

Abstract: An ultrasonic osteotome in accordance with the present invention comprises a shaft having a distal end portion with a lateral outer surface and further comprises a cutting blade connected to the distal end portion of the shaft at least in part at the lateral outer surface. The lateral outer surface extends so far on opposite sides of the blade as to block or stop penetration of the shaft into an incision formed in bone tissue by the blade. The blade can include a cutting notch or have a variable cutting depth depending on the angle of the distal end of the instrument to the surface of a target tissue mass.

Abstract: A set of styli comprised of a shaped memory or elastic metal are disclosed wherein each stylus has a different preformed curvatures for use with a cutting device for performing a selective discectomy. The device is inserted at a point chosen from contralateral, anterior or anterolateral relative to a herniation site. Once the cutting device is inserted its cutting window is moved to the desired position by inserting a first stylus having an appropriate curvature and moving the device, removing the stylus, inserting a second stylus with a different curvature relative to the first stylus before or after moving the device. By using a plurality of styli with different curvatures and using positioning movements the cutting window is positioned at the site of herniation and a selective discectomy is carried out.

Abstract: The present invention relates generally to the field of micro-scale or millimeter scale devices and to the use of multi-layer multi-material electrochemical fabrication methods for producing such devices with particular embodiments relate to shredding devices and more particularly to shredding devices for use in medical applications. In some embodiments, tissue removal devices include tissue anchoring projections, improved blade configurations, and/or shields or shrouds around the cutting blades to inhibit outflow of tissue that has been brought into the device.

Abstract: An apparatus and method for introducing portals into bone is described herein. An example apparatus for introducing portals into bone includes a handle, a base, and a driving member. The driving member can be made to project past the base by operating the handle. The base is detachable from the handle. The apparatus also includes a guide coupled at a first end to the handle and at a second end to the base. The base is detachably coupled to the guide. A base coupling detachably coupling the base to the guide includes an actuating member movable between a coupled configuration wherein the base is coupled to the guide and an uncoupled configuration wherein the base is released from the guide. The actuating member is arranged so that motion of the handle toward the base moves the actuating member from the coupled configuration to the uncoupled configuration.

Abstract: The present invention provides a discectomy instrument that is capable of removing portions of the spinal disc between adjacent vertebrae in a controlled manner that is efficient and easy to use. In an exemplary embodiment, the discectomy instrument includes a handle, a rotary scraper, a barrel, a drive shaft, an outer sleeve and a retaining clip.

Abstract: An surgical apparatus and method are described for manipulating one or more osteochondral plugs, including, but not limited to, extracting and/or impacting the one or more osteochondral plugs.

Abstract: A stainless steel bristled surgical brush for removing nucleus material from the intervertebral space and cartilage from vertebral endplates is provided herein. The surgical brush of the present invention may be dimensioned to be placed through a minimally invasive and/or percutaneous access through an access portal. In certain embodiments, the surgical brush may be straight or bent, may include a cap to contain the tines and may include a depth stop. The brush may be manually operated, powered by a wire driver or powered by other suitable means.

Abstract: A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion.

Abstract: In a discectomy method one removes at least a substantial portion of a spinal disc. Thereafter one operates an ultrasonic instrument to level opposing faces of vertebrae on opposite sides of the removed spinal disc. Graft or synthetic disc material is inserted between the vertebrae so that the graft or synthetic disc material is in contact with the leveled opposing faces. In an associated nucleotomy, a cannulated probe is inserted into a spinal disc and used to remove the nucleus pulposus. A synthetic or substitute nucleus material may then be inserted into the evacuated annulus.

Abstract: The invention provides a single surgical procedure by using autologous platelet-rich fibrin (PRF) and cartilage fragments to solve problems of contamination during incubation of chondrocytes and transplant rejection in vivo, which has the benefit of a more efficient and shorter recovery time. The invention also provides a device for easily and rapidly cutting cartilage to cartilage fragments so as to reduce contamination of the implant and infection.

Abstract: A cannulated osteotome for cutting a bone surface in which two circular depressions have been previously reamed comprising a cutting blade in the form of a continuous loop having two arcuate end surfaces and two straight lateral surfaces that depends from a body that includes two cannulae in the form of two parallel passageways that extend transversely through the body. Stops extend beyond the opposite arcuate ends of the cutting blade which determine the depth to which the cutting blade can be inserted into the surface of bone from which the circular depressions have been reamed. There is described a method of inserting an implant having a substantially flat undersurface from which two pegs protrude into a surface of a bone using such an osteotome.

Abstract: Disclosed herein are methods and compositions for producing articular repair materials and for repairing an articular surface. In particular, methods for providing articular repair systems. Also provided are articular surface repair systems designed to replace a selected area cartilage, for example, and surgical tools for repairing articular surfaces.

Abstract: Osteotome for the removal of bone and of bone tumors, as well as of ligaments and fibrocartilaginous tissue, during surgery, comprising a pair of blades slidably coupled so that respective distal ends thereof be closable the one against the other for the removal of a bone fragment, pneumatic propelling means for the blades, and a trigger for the operation of the propelling means by a user.

Abstract: A device and method for use in a human spine to prepare a space between adjacent vertebral bodies and into the vertebral end plates to receive an implantable insert. The device includes a handle, a shaft, and a mounting member at one end of the shaft. An abrading element is mounted on the mounting member and is coupled to a drive mechanism. The drive mechanism is operable to move the abrading element in at least one degree of freedom to create surfaces having predetermined contours in the end plates of the adjacent vertebral bodies.

Abstract: A system for forming a tendon-bone graft. The system can include at least one support that is adapted to support the tendon-bone graft. The system can further include at least one clamp that is adapted to engage the tendon-bone graft to clamp the tendon-bone graft to the at least one support. The system can also include at least one cutting member that is operable to resect the tendon-bone graft. The at least one cutting member or the at least one support can be moveable relative to the other of the at least one cutting member or the at least one support to resect the tendon-bone graft.

Abstract: A medical tissue-abrading instrument, for instance a shaver, includes an instrument handpiece at which manipulators for actuating an abrasion means, for instance a cutting or grinding head, are arranged and in which a fluid passage adjustable in cross-section by means of a valve is formed for sucking off abraded tissue and/or for supplying scavenging fluid. The valve is a manually operable slider valve. The valve piston of the valve includes a control edge having an edge shape which causes a change of the passage cross-section at a particular ratio, preferably linearly, during continuous actuation of the valve.

Abstract: A scraping instrument is disclosed that includes a handle assembly having a trigger. The scraping instrument also includes an elongate shaft having an inner lumen extending therethrough along a longitudinal axis between proximal and distal ends thereof. The proximal end of the elongate shaft is connected with the handle assembly. A control rod extends through the inner lumen of the elongate shaft hand has a first end connected with the trigger and a second end extending outside the distal end of the elongate shaft. The second end of the control rod includes a connection pin. A yoke is connected with the distal end of the elongate shaft. A curette having a scraping member and a connection member is pivotally connected with the yoke. Upon compression of the trigger the control rod is forced to move along the longitudinal axis thereby causing the curette to rotate along a latitudinal axis.

Abstract: The present invention provides an osteotome for sinus lifting and dental ridge expansion which includes an osteotome shank, a trepanelevation tip member, and a head. The trepanelevation tip member provides a cavity at a tip end and a prominence protruded from the bottom of the cavity. In this manner, during dental ridge expansion, the sharp edge of the trepanelevation tip member will secure the position and provide initial splitting of bones of sinus floor. Subsequently, the prominence will provide appropriate pressure for bone lifting. By applying the splitting force and compaction force alternatively in the same tip, the edge and prominence of the osteotome can lift the sinus in a much safer and more effective manner.

Abstract: An ultrasonic surgical instrument has an ultrasonic transducer unit having an ultrasonic transducer for producing ultrasonic vibration, a transmission member which connects the ultrasonic transducer in the proximal end side, and transmits the ultrasonic vibration produced by the ultrasonic transducer from the proximal end side to the distal end side, a sheath, in which the transmission member is inserted, having an open part on one side of the distal end side, and a treatment portion which is provided at the distal end of the transmission member, and exposed to the open part for carrying out a surgical treatment on an object part by the ultrasonic vibration transmitted from the transmission member. The ultrasonic surgical instrument cuts or shaves hard tissues.

Abstract: A bone preparation device for preparing a bone surface for receiving an implant is disclosed, as is a method of using the device, wherein the device contains a gripping element for gripping a first bone surface and a abrading element for abrading an opposing bone surface.

Abstract: A medical puncturing serves for penetrating into a bone or a cartilage. It has a shaft and a tool carrier connected with its proximal end to a distal end of the shaft. The tool carrier has a puncturing tool being a punch or a multi-fracture chisel. The tool carrier is connected at its proximal end via a freely articulated joint to the distal end of said shaft. A stop limits a laterally pivoting movement of said tool carrier to a maximum angle of 45°.

Abstract: A method of performing a tibial tubercle osteotomy includes cutting a bone portion of a tibial tubercle from a remaining portion of the tibial tubercle, at least a portion of a patella ligament being attached to the bone portion. The bone portion of the tibial tubercle is separated from the remaining portion of the tibial tubercle such that the patella ligament remains attached to the bone portion. After completing a surgical procedure, the separated bone portion of the tibial tubercle is reattached to the remaining portion of the tibial tubercle.

Abstract: The invention relates to spinal fusion implants or grafts and to apparatus for the installation thereof. More specifically, the invention is a serrated cutting or abrading tool designed to be pushed into an intervertebral space and thereby remove and partially penetrate the cortical bone layer that defines the endplates of the respective mutually adjacent vertebral bodies.

Abstract: A device for removing material from within the body, includes an elongated element formed from hollow segments sequentially interconnected at effective hinges. The device assumes an insertion configuration for insertion of the segments sequentially through an opening of a first dimension into the body. A portion of the elongated element inserted into the body progressively assumes a material removing configuration in which a relative position of each segment relative to an adjacent segment is delineated by the effective hinge together with additional abutment surfaces defining a fully deflected state of the effective hinge. The material removing configuration has at least two dimensions exceeding the first dimension. At least two of the segments are formed with at least one cutting configuration deployed so as to collect material into a hollow volume of the segment during progressive formation of the material removing configuration as the elongated element is advanced.

Abstract: A surgical device includes a housing, a cannula, a driving handle, and a cutting blade. The housing defines a hole in which the cannula that defines a passageway extending from a distal end to a proximal end is disposed. The driving handle is movably coupled to the housing and includes a driving rod slidably received within the passageway. The cutting blade is disposed within the passageway of the cannula and includes a distal end coupled to the distal end of the cannula, a proximal end configured to engage a distal end of the driving rod, and a reversibly deformable blade region disposed between the distal and proximal ends of the cutting blade. The deformable blade region is sized and configured to be received within at least one slot defined by the cannula and bends and straightens in response to movement of the driving handle relative to the housing.

Abstract: Surgical instruments and surgical methods associated therewith are described. The surgical instruments described herein can be used for scraping or for other purposes such as measuring distances between two points in hard to reach locales.

Abstract: Methods and devices that displace bone or other hard tissue to create a cavity in the tissue. Where such methods and devices rely on a driving mechanism for providing moving of the device to form a profile that improves displacement of the tissue. These methods and devices also allow for creating a path or cavity in bone for insertion of bone cement or other filler to treat a fracture or other condition in the bone. The features relating to the methods and devices described herein can be applied in any region of bone or hard tissue where the tissue or bone is displaced to define a bore or cavity instead of being extracted from the body such as during a drilling or ablation procedure.