Abstract: A handset for an ultrasonic device for bone cement removal and/or osteotomy operations comprises a handset body which encloses ultrasound generating means including at least one piezoelectric transducer and a horn, connection means configured to connect the handset to a tool to which the ultrasounds generated by the ultrasound generating means are transmitted, a duct for circulation of a cooling medium, the duct extending at least partially on the outside of the handset, a triggering element whose activation causes the activation of the ultrasound generating means, and a control lever coupled to the handset body at a connection point, the control lever being configured to activate the triggering element by means of its movement about the connection point.

Abstract: An orthopaedic stapler (1) comprising orthopaedic pliers (3) and an orthopaedic staple (2) integrally formed at the distal ends of the pliers (3). The orthopaedic staple (2) comprises a beam portion (4) and two insertion brackets (5) at the two opposite ends (6) of the beam portion (4) and substantially transverse with respect to the beam portion (4). The orthopaedic pliers (3) comprise two lever arms (12) integrally connected to the orthopaedic staple (2) by means of connection portions (15) at the two opposite ends (6) of the beam portion (4). The connection portions (15) are breakable along breakage sections (24). The lever arms (12) comprise at least one first projecting element (19), at least one second projecting element (20), the first projecting element (19) on one lever arm (12) being directed towards the second projecting element (20) on the other lever arm (12). The first projecting element (19) and the second projecting element (20) are provided with a reciprocal engaging mechanism (21).

Abstract: An external fixation strut includes an elongated body including first and second tubular shafts. Opposite connectors are respectively coupled to one of the shafts and include a ball and socket joint. One shaft has an internal diameter slightly larger than the external diameter of the other to host the other shaft in a slidably and telescopic manner. The shafts of the strut are a synthetic radiolucent plastic material. A clamp element is in proximity of overlapping ends of the shafts for fast gripping action stopping the sliding of one shaft inside the other. A fixation element is manually operated and acts on the clamp element. A sleeve is provided around the central portion of the strut where the shafts overlap. The clamp element is a clamp band around the sleeve and includes opposite and facing gripping portions. The gripping portions are connected by a threaded connector of the fixation element.

Abstract: A system for driving an ultrasonic device for bone cement removal and/or osteotomy operations comprises a control unit, a memory unit, and a connector for connecting together the control unit and a handset of the ultrasonic device. The control unit is configured to send a signal to the handset, receive from the handset a response to the signal sent, and check an operating condition of the ultrasonic device based on this response. Related device, method and computer program are also disclosed.

Abstract: The present invention relates to an improved orthopaedic device for athrodesis, in particular for the arthrodesis or fusion of a joint, for example an ankle joint, of the type comprising of a nail having head and tip ends opposed to each other; at least a first portion of the nail having an axis of symmetry; a single circular first transverse hole made in the first portion near the head of the nail and extended according to its own axis perpendicularly to the axis of symmetry; a slotted second transverse hole still made in the first portion of the nail and extended perpendicular to both the first axis of symmetry; and to the axis of the first transverse hole; and the slotted second transverse hole being made at a greater distance with respect to the head of the nail than the distance from the head of the first transverse hole.

Abstract: The present invention relates to a bone plate internal fixator device (101; 501; 701) for epiphysiodesis, comprising a pair of holding elements (102, 103; 502, 503; 702, 703), each one of the holding elements (102, 103; 502,503; 702, 703) respectively comprising a through hole (104, 105; 504, 505; 704, 705) configured for receiving a respective fixing screw (301) to a bone; the bone plate internal fixator device (101; 501; 701) further comprises a central portion (106; 506; 706) which structurally connects and constrains the holding elements (102, 103; 502, 503; 702, 703) with each other; the central portion (106; 506; 706) is flexible so as to allow flexing of the bone plate (101; 501; 701); each said through hole (104, 105; 504, 505; 704, 705) comprises a threaded surface (108, 109; 508, 509; 708, 709) adapted to couple with a corresponding surface (304) of the respective fixing screw (301); the holding elements (102, 103; 502, 503; 702, 703) and the central portion (106; 506; 706) are provided as a composi

Abstract: Dynamization tabs and methods of use are provided. Dynamization tabs may be used with an external fixation ring or other fixator device as part of a therapeutic treatment of bone fractures or malformations. The device forms a connection between one or more fixation struts and an external fixation ring so as to introduce controllable amounts of movement or dynamization to the arrangement of the struts and the fixator. By introducing controlled amounts of dynamization, therapeutic benefits can be derived in the enhanced, accelerated bone formation, mineralization and remodeling of the underlying bone. Dynamization tabs may comprise a strut connector, a mechanical biasing or dynamizing device, and a ring connector. Many different forms for introducing controlled amounts of dynamization are disclosed.

Abstract: Clamp (1) for an external fixator, preferably of the quick attachment type, comprising: a plurality of attachments (2; 3) for blocking bars and/or bone screws; a connector (5), provided with an at least partially threaded stem (50), which passes through and connects in series said plurality of attachments (2; 3); at least one first attachment (2) comprising two arms (20; 21), connected by a C-shaped flexible bridge (22); said stem (50) passing through said first attachment (2) in an intermediate position between said flexible bridge (22) and the opposite free ends of said arms (20; 21); wherein, at the free ends, said arms (20; 21) define a screw housing seat (23) for a bone screw, said screw housing seat being selectively configurable, varying the deformation of the flexible bridge (22), to clamp bone screws having different diameter.

Abstract: An orthopedic spring hinge and associated external fixation systems for the treatment of anatomical joint dysfunctions, and more particularly, to a spring hinge comprising a first base member, a second base member, a flexible first spring having a first longitudinal axis extending from the first base member to the second base member, and a flexible second spring spaced apart from the first spring and having a second longitudinal axis extending from the first base member to the second base member. The spring hinge is configured to have a maximum bending resistance in a first plane extending between the first spring and the second spring and a minimum bending resistance in a second plane orthogonal to the first plane.

Abstract: The present invention relates to an internal fixator device (1) of the bone plate type to be used as synthesis means in anatomical regions or epiphyses/metaphyses with poor coating of soft tissue, of the type comprising a two-lobe or eight-shaped bone plate (2) comprising a pair of lobed portions (23, 24) which are linked by a central linking portion (15) and in each of which at least one through-hole (3, 4) is formed to receive a corresponding bone fixation screw (5). Advantageously, each of the pair of lobed portions (23, 24) of the bone plate (2) has an upper surface (7) inclined relative to a reference plane (X) coinciding with a second upper surface of the linking central portion (15) of the bone plate (2), and a lower surface (6) configured for contact with the bone and inclined relative to the same reference plane (X) with a smaller inclination.

Abstract: The present invention relates to a bone plate (1, 21) for epiphysiodesis, which has been advantageously improved to allow better articulation of the fixing screws engaged with the bone plate (1, 21), comprising: a first portion (4) and a second portion (6) joined by a connecting portion (5), intersected by a first (9) and a second opening (10), respectively, structured to receive the same number of fixing screws; the bone plate having a bilobal figure, such as an eight shape; at least one of said first (9) and second (10) openings comprising: a cup-shaped seat (12) for housing a fixing screw head in a tillable manner, and at least one recess (14?) which merges into the cup-shaped seat (12) expanding an exit section (12b) away from the connecting portion (5).

Abstract: A targeting system (1) for the guided insertion of a guide wire (50) or a bone screw comprising: a stabilization body (2) fixed to the bone by means of stabilization screws (3); a guide sleeve (4) adapted to receive a guide cannula (5) for the insertion of the guide wire (50) or bone screw; articulated connection means (6) adapted to connect the stabilization body (2) to the guide sleeve (4) and allow the relative spatial position of the guide sleeve (4) to be varied with respect to the stabilization body (2).

Abstract: The invention concerns an inner plate fixator device (1) for the correction of severe bone malformations, of the type comprising an elongated plate (2, 2?) in which through holes (3, 4) for receiving bone screws are provided. The use of this fixator device allows the pediatric correction of severe bone malformations, in particular malformations of the proximal portion of the femur.

Abstract: The present invention relates to an internal bone plate fixation device (1) for use as a means of synthesis in anatomical regions or epiphysis/metaphysis with poor coating of soft tissues, of the type comprising a bone plate (2) that is bilobate or having eight-like shape, comprising a pair of portions (23, 24) adapted to be respectively associated to the epiphysis and to the metaphysis of a bone and joined by a central portion (15) and in each of which is formed at least one through hole (3, 4) to receive a corresponding screw (5) for fixing to the bone. Advantageously, the bone plate (2) is flat with almost constant thickness and is delimited by opposite surfaces (6, 7) parallel with a single recess (8) or notch that is transversal to the longitudinal axis of bone plate (2) formed on only one (6) of said surfaces (6, 7), with the thickness (s) of the plate being less than a ninth of its maximum longitudinal extension (L).

Abstract: The invention relates to an improved-structure instrument (1) for allowing the alignment of fixing screws (2) to be inserted in transverse holes (3, 13) of nails (4) for long bones, in particular medullary nails, of the type comprising an arched arm (15) having a free distal end (6) connectable to a proximal end (16) of a head (7) of the nail (4) in which the transverse holes (3, 13) are formed, and a proximal handle portion (5), as well as a connection portion (20) between the distal end (6) and the proximal handle portion (5). Advantageously, the connection portion (2) comprises at least one through-hole (23, 33) for receiving a guide tube (10) for a drilling bit, the through-hole (22, 33) having an axis coinciding with the axis of one of the transverse holes (3, 13) and manually operated quick-locking means (25) are associated with the through-hole (23, 33) so as to lock in a stable position the corresponding tube (10) inserted in the instrument (1).

Abstract: Walking skates system removably coupled underneath a bottom half-ring of an external ring fixation system comprising a pair of skates, each skate of the pair of skates having a curved bottom profile from which a protruding connection body provided with at least one slot projects, the system further comprising a connecting member having a first end configured to be connected to an opening in the bottom half-ring of the external ring fixation system and a second end provided with a hole for connection to the slot in the connection body of the skate.

Abstract: An endosseous screw assembly for an internal fixation system, comprising: a stem extending longitudinally and having at least one threaded distal portion for allowing anchoring to a bone site of a patient; a connection sleeve suitable for introduction inside a connection hole of a fixation member; and a ring nut rotatably mounted on the connection sleeve. The ring nut may be threadably mounted on the connection sleeve and may comprise a rim with teeth designed to cooperate with a step formed on the fixation member, in the vicinity of the connection hole, so as to prevent rotation of the ring nut with respect to the fixation member when the connection sleeve is introduced into the connection hole of the fixation member. The ring nut may further comprise multiple deformable interference fit components which lie along a conical portion of the connection sleeve.

Abstract: The invention concerns an inner fixation device for the correction of axial deformities of a limb, for example a long limb, of the type comprising at least one plate (2, 2?) for epiphysiodesis with at least a pair of lobes (3,4) each provided with a through hole (7) to be laterally fixed to a bone portion or to a long bone head. Advantageously, the device (1) comprises one second plate (12, 12?) placed on the opposite side of the bone portion with respect to said at least one plate (2, 2?) and connected to that by at least one rod (15) passing through the bone portion. The rod (15) is extended through the bone in parallel to an epiphyseal plate and it has opposite extremities (16,17) connected to the plates (2,2?; 2,12?) to keep them close to the bone and to stop the bone growth in one central portion of the bone.

Abstract: An osteotome suitable for cutting through cancellous bone that is holding an orthopaedic implant requiring revision within a cavity of a bone, comprises a cylindrical waveguide connectable to a source of ultrasonic vibrations at its proximal end and a blade having a hollow part-cylindrical cross-section and a cutting edge at its distal tip. The respective longitudinal axes of the waveguide and the blade cross at an angle of about 30°, and the waveguide and blade taper and curve smoothly together where they meet. The osteotome is dimensioned such that a first antinode of the ultrasoncic vibrations is located at a proximal end of the waveguide, a second antinode is located at the distal tip of the blade and a node is located where the waveguide and blade meet. The osteotome cuts readily through cancellous bone when ultrasonically energized.

Abstract: The invention relates to an elongated pin (2) for an external modular fixation system for temporary and/or permanent fixation applications to treat bone fractures and to connect two or more bone fragments to each other, comprising an elongated stem (3) extending along a longitudinal axis with a first end portion (4) and an opposite second end portion (5), said first end portion (4) having a tip for the insertion of the first end portion (4) into a bone, wherein said first end portion (4) has a conical shape with an external thread, forming a conical threaded end portion, the extension of said conical threaded end portion along the longitudinal axis being determined by the depth of penetration of the conical end portion limited to only the cortical portion of the bone.