Abstract: A bone reconstruction device (100, 200, 300) is provided that includes an elongated linkage (102, 202, 302) having a plurality of links (104, 204, 304). The reconstruction device further includes an adjustment assembly (120, 220, 320) that provides for adjustment of the directional and/or angular orientation of the links. The reconstruction device further includes a locking assembly (122, 222, 322) that is movable between a disengaged configuration and an engaged configuration. In the disengaged configuration, the adjustment assembly can be actuated to adjust the orientation of the links. In the engaged confirmation, the locking assembly inhibits adjustment of the orientation of the links.

Abstract: A method of forming a bone plate comprising fabricating a bone plate to include a first through hole, where at least one of a width and a length of the hole changes along a depth of the hole; plunge milling an interior surface of the bone plate demarcating the first through hole to remove at least a portion of the bone plate to increase at least one of the width and the length of the through hole; and, threading at least a portion of the first through hole.

Abstract: Methods and apparatus for arthroscopically-assisted preparation of the tibia to accept an unicompartmental implant that includes the step of removing bone from the tibial plateau to correct depth, diameter and proper angle by employing a tibial rasp comprising a cutter with a plurality of teeth on the bottom surface and a side surface (for example, the front side). The tibial rasp may be used in conjunction with an additional starter rasp that can cut only in one direction (for example, cutting to establish only the depth of the tunnel or socket).

Abstract: The invention relates to a customized assembly (1) of at least two osteosynthesis plates (2), for example I-shaped and/or L-shaped and/or cross-shaped and/or crow's-foot-shaped ones which are themselves customized according to the operation to be carried out and the future anatomy of the patient, characterized in that the osteosynthesis plates (2) are connected together by a rod (3), said rod further comprising two protrusions (4) protruding from said rod (3) towards the nasal orifice (8) of the patient into positions that correspond to the two ends (5, 6) of the base (7) of the nasal orifice (8) of the patient. The invention can be used during dental occlusion operations, for example.

Abstract: The present disclosure provides a femoral cut guide for preparing a distal femur to receive a prosthetic femoral component of a knee implant. The prosthetic femoral component includes a central box. The femoral cut guide replicates the size and shape of the prosthetic femoral component, such that the femoral cut guide may serve as a trial or provisional component used to reduce and test the prepared knee joint before implanting the final prosthetic femoral component. The femoral cut guide includes a detachable box cut guide for preparing the distal femur to receive the central box of the prosthetic femoral component.

Abstract: An ultrasound dental treatment appliance having a surgical handpiece (220) fitted with a transducer connected to an ultrasound generator (230), the handpiece being designed to receive ultrasound tips (210) that are mechanically coupled to the transducer and that operate in different ultrasound wave power and amplitude ranges. The dental treatment appliance includes elements (224, 225), e.g. optical elements, for automatically detecting the utilization power and amplitude range of the tip (210) mounted on the handpiece, and a processor for automatically setting the ultrasound generator to the detected power and amplitude range.

Abstract: A prosthesis of an anterior spinal column, comprising a perforated sleeve body (1) with at least one anchoring element, teeth and overgrowth holes and a positioner (2) situated within the body (1). The body (1) has in its wall at least one manipulative hole (6) and at least one positioning hole (7), whose longitudinal axes are parallel with each other. The positioner (2) comprises at least one situating element (8) cooperating with at least one positioning hole (7) of the body (1) and at least one hole (12) formed therethrough, which may be situated radially inward relative to the manipulative hole (6). At least one end face (3) of the body (1) or/and body's wall are provided with at least one pair of opposite guidelines (14,20). For introducing the prosthesis into the intervertebral space, a guiding instrument is used in the form of a rod with a shaped working element (24) at one end. The prosthesis may be implanted with the use of the prosthesis guiding instrument.

Abstract: A delivery device for an osteochondral graft comprising a tube, a plunger and a graft retention assembly is disclosed. The tube has a bore having an inside diameter and extends from a proximal end to a distal end. The inside diameter of the bore is sufficient to accept an osteochondral graft of a desired diameter. The tube has a set of apertures located adjacent the distal end of the tube. The plunger is slidably disposed within the bore of the tube. The graft retention assembly comprises a collar and a set of tabs. The graft retention assembly is attached to the tube such that the tabs are disposed within the apertures of the tube. The tabs are biased towards each other but are capable of being displaced away from each other to receive or release the osteochondral graft.

Abstract: A set or assembly for producing at least one temporary crown or bridge material has a carrier for accommodating a crown and bridge material and a crown and bridge material in an amount that is at least sufficient for the production of a tooth crown. The crown and bridge material is a light-curing and, in particular, flowable single-component material, and the carrier that can be adapted to the tooth situation is transparent or translucent. In another aspect, a method for producing a temporary tooth crown or bridge and a temporary tooth crown or bridge produced by the method are also provided.

Abstract: A bone collection system includes a plunger, a tube, and a manifold. The plunger has a bore therethrough, an insertion portion, and an inlet that accepts material being harvested from a patient. The insertion portion includes a filter to prevent passage of bone fragments. The tube accepts the insertion portion, defining a first and a second chamber of the tube. The filter separates the first and second chambers of the tube. The manifold is accepted by the tube, and has an outlet accepted by a suction source. The inlet of the plunger is in fluid communication with the first chamber, the first and second chambers are in fluid communication through the filter, and the second chamber is in fluid communication with the outlet. Material being harvested is drawn through the bone collection system, and bone fragments of the desired size collected in the first chamber.

Abstract: A medical or surgical handpiece for driving a medical tool comprises a housing, a drive train accommodated therein and a motor. The motor includes a first drive shaft and a second shaft, the second shaft being at least partially arranged in the first drive shaft and mounted to rotate freely relative to the first drive shaft via at least one bearing, so that the second shaft is rotatable independently of the first shaft.

Abstract: A dental implant system including a dental implant having an apical end, a top end, an anchoring portion adjacent the apical end. The dental implant is adapted to engage bone and has an axial length. The dental implant has an internally threaded opening of a predetermined depth accessible from the top end of the dental implant. The system includes an abutment receiving portion adjacent the top end for receiving an abutment. The system also includes an annular shoulder formed between the anchoring portion and the abutment receiving portion. The system also has an implant abutment having a peripheral wall and a central axial bore extending through the abutment.

Abstract: A distraction system includes a distraction rod having one end configured for affixation to at a first location on patient. The system further includes an adjustable portion configured for placement in the patient at a second location, the adjustable portion comprising a housing containing a magnetic assembly comprising a magnet, the magnetic assembly secured to a threaded element that interfaces with an opposing end of the distraction rod. The system includes a magnetically permeable member in proximity to the magnetic assembly and covering an arc of less than 360° of the adjustable portion.

Abstract: There is provided a surgical saw blade for use in orthopaedic surgery. The saw blade comprising: a mounting cavity having a first substantially triangular-shaped opening and a second substantially triangular-shaped opening in communication with, and inverted relative to, the first opening, the first and second opening collectively define two mounting slots that form an angle relative to one another. In some embodiments, the planar portion further comprises an offset planar shelf. The offset shelf may be oriented along the length of the planar portion to allow for longitudinal reciprocation or may be oriented across the width of the planar portion to allow for lateral reciprocation.

Abstract: A surgical apparatus, for positioning within a tissue tract to access an underlying body cavity, is provided. The surgical apparatus includes a first and second member. The first member has a proximal ramp section, an accordion section, and a retaining portion. The first member defines a first longitudinal axis, a first proximal end, and a first distal end. The second member has a tubular proximal section, a portal portion, and a distal flange. The second member defines a second longitudinal axis, a second proximal end, and a second distal end. The second member includes a retaining structure to couple the first member to the second member. The first member is located at least partially in the tubular section of the second member.

Abstract: Endodontic instruments for use in performing root canal therapy on a tooth are disclosed. In one form, the instruments include an elongate shank having a cutting edge extending from a distal end of the shank along an axial length of the shank. The shank comprises a titanium alloy, and the shank is prepared by heat-treating the shank at a temperature above 25° C. in an atmosphere consisting essentially of a gas unreactive with the shank. In another form, the endodontic instruments have an elongate shank having a cutting edge extending from a distal end of the shank along an axial length of the shank. The shank consists essentially of a titanium alloy selected from alpha-titanium alloys, beta-titanium alloys, and alpha-beta-titanium alloys. The instruments solve the problems encountered when cleaning and enlarging a curved root canal.

Abstract: A dental implant for supporting a dental prosthesis comprises a body portion and a top surface. The implant further comprises an internal cavity with an opening located at the top surface. The internal cavity comprises an interlock chamber having a depth measured from the top surface equal to a first distance. The interlock chamber comprising a cylindrical portion and plurality of semi-circular channels arranged around a periphery of the cylindrical portion. A threaded chamber that includes threads is located below the post-receiving chamber. The cylindrical portion has a first radius and the channels have a second radius, a ratio of the first radius to the second radius being between approximately 4:1. and 2:1.

Abstract: A surgical resection guide comprising: a housing (36); a stylus arm (38) extending through the housing (36) and a linear adjustment mechanism. The linear adjustment mechanism comprises: a shaft (30) at least partially received within a bore extending through the housing (36) such that the shaft (30) can slide along its longitudinal axis relative to the housing (36), the shaft (30) incorporating a shaft tooth (50); and a dial (44) rotatably coupled to the housing (36) and incorporating a helical dial groove (48) defining a longitudinal axis offset from the longitudinal axis of the shaft (30). The shaft tooth (50) engages the dial groove (48) such that rotating the dial (44) relative to the housing (36) causes the shaft tooth (50) to slide along the dial groove (48) causing the shaft (30) to slide within the bore along its longitudinal axis. The housing (36) and the stylus arm (38) can rotate about the shaft (30) without causing the shaft (30) to slide within its bore along its longitudinal axis.

Abstract: The disclosed bracket can be used to hang vacuum cleaners that have a detachable dolly. A plate on the bracket mounts to a wall. A stem portion fits within a slot on the dolly. Lower wall segments on the stem portion extend from the wall plate and have vertical outer edges. Intermediate wall segments extend between the lower wall segments and upper wall segments that have lower horizontal limits that are closer together than the lower wall segments are, are positioned laterally outwards from the stem portion, and taper toward each other above their lower limits. Side rim portions extend from the upper wall segments and fit within grooves on the vacuum cleaner. The outer edges of the lower wall segments are farther apart than the inner edges of the side rim portions are, and closer together than the outer edges of the side rim portions are.

Abstract: The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations.