Abstract: A tibial-femoral trial implant comprises a femoral trial insert, which comprises a medial condyle and a lateral condyle, and a tibial trial insert, which comprises a medial plate and a lateral plate. The implant further comprises a graduated reference system adapted to indicate the relative angular deviation between the femoral trial insert and the tibial trial insert about a vertical axis, passing through the center of a sphere defining the medial condyle of the femoral trial insert, following a roto-translational movement of the femoral trial insert from a first position, identifying a knee extension position, to a second position, identifying a knee flexion position.

Abstract: A device for shaping and cutting a bone graft comprises a main body (2) extending along a longitudinal axis (X) from a lower end (2i) to an upper end (2s) and having inside it a housing (3) for the insertion of the bone graft (100) to be shaped, an upper opening (4), located at the upper end (2s), for the insertion of the bone graft (100) into the housing (3), a lower support (5) designed to support the bone graft and an upper surface (6) defining a cutting plane, placed at the upper end (2s) and containing said upper opening (4) which is inclined with respect to the longitudinal axis (X) by an angle (a) ranging between 90° and 30°, preferably between 90° and 60°.

Abstract: A device for tensioning a surgical thread comprising: an elongated body having a tip portion adapted to be arranged in contact with a knot of a surgical thread wound about a patient's bone and a maneuvering member connected to the elongated body by a screw and nut mechanism configured to adjust the distance between said elongated body and said maneuvering member, said maneuvering member having respective coupling portions for coupling opposite ends of the surgical thread wound and knotted about the bone. The opposite ends of the surgical thread reversibly constrainable to the respective coupling portions in a use configuration of the device. The distance between the elongated body and the maneuvering member can be increased along a movement axis to tension the opposite ends so as to tighten the surgical thread about the bone. The tip portion has a groove shaped to receive at least partially the knot.

Abstract: An apparatus for positioning a lower limb of a patient during surgery comprises at least one support structure connectable, through a proximal end, to a support device for a patient and defining a traction axis of the patient's lower limb, a traction slide slidingly movable on the support structure, a gripping body for a distal end of the patient's lower limb connectable to the traction slide. The support structure, when connected to the support device for a patient, is suspended and comprises at least one actuator, hydraulically connected with the traction slide, for moving the support structure in space.

Abstract: An adapter plane for a surgical table comprising a central body having a proximal portion suitable to at least partially accommodate the lumbar region of the body of a patient and a distal portion suitable to at least partially accommodate the sacral region of the body of a patient, wherein the adapter plane can be coupled to a surgical table by placing the central body at least partially on top of the surgical table, and the central body, in the distal portion, is provided with a quick coupling device for coupling the adapter plane to one or more surgical instruments.

Abstract: A cutting device for surgical threads comprises a guide body that has an internal axial cavity and a first cutting area defined by an abutment surface; a cutting body that has a central portion that extends along a longitudinal axis and a second cutting area defined by an abutment surface, wherein the second cutting area abuts the second first cutting area when the cutting body is received in a housing portion of the guide body; and an actuator element capable of causing the cutting body to rotate relative to the guide body about the longitudinal axis between a first position, in which the first and second cutting areas, define a passageway that communicates with the internal axial cavity, and a second position, in which said passageway is at least partially obstructed by a counter-rotating movement of the abutment surfaces, which intersect tangentially so as to cut the surgical thread therebetween.

Abstract: A bone resection instrument, comprising means of support and positioning for the correct alignment of the tool with respect to the bone to be cut, a cutting guide, connected to the means of support and positioning, comprising a support attachable to a bone to be cut. The cutting guide comprises a gauge block having a cutting surface and removably connected to said support. The instrument is part of a bone resection kit comprising a plurality of gauge blocks, each differing in height from one another.

Abstract: A broach handle for a rasp includes a proximal part extending along a first axis between a first portion of the handle and a second portion of the handle, and a proximal part extending partially along a second axis between a third portion of the handle, connected to the second portion, and a fourth portion of the handle, and partially along a third axis between a fifth portion of the handle, connected to the fourth portion, and a sixth portion of the handle connectable to a rasp. The sixth portion of the handle has a connection surface for connecting to the rasp having a normal extending along a normal axis defining a connection axis between the handle and the rasp. A first convex angle is defined between the first axis and the second axis, and a second convex angle is defined between the third axis and the normal axis.

Abstract: A computer-implemented method for checking the correct alignment of a hip prosthesis, includes: detecting a 3D model of the pelvic bone of a patient in a preoperative phase detecting at least one 2D image of the pelvic bone in post-implant situation, selecting an image of the 3D model according to a first inclination thereof and detecting a reference element on said selected image of the 3D model, identifying a plurality of reference points on the 2D image, superimposing the 2D image on said selected image of the 3D model, checking the correct superimposition and correspondence of the reference points of the 2D image with the reference element with said image of the 3D mode, and detecting possible differences in the positioning of the pelvic bone in post-implant configuration with respect to the preoperative situation.

Abstract: Various implementations include a positioning device of a surgical instrument for hip arthroplasty surgery that includes an arched structure having a first and a second end, wherein the first end can be positioned inside a patient a gripping element located at the second end of the arched structure, a surgical instrument that can be coupled to the gripping element at a seat made in this gripping element, and a positioning and fixing head arranged at the first end of the arched structure and having connection means. The connection means of the positioning and fixing head face the gripping element to couple with a stem that can be inserted into a patient's femoral canal.

Abstract: A femoral component and a tibial component are respectively configured to exclusively couple with the distal end of a femur bearing a femoral prosthesis and with the proximal end of a tibia bearing a tibial prosthesis. The femoral component has a distal portion configured to face the distal end of the femur, bearing distal positioning holes facing a distal region of the femoral prosthesis. A frontal portion extends on the continuation of the distal portion and has a first abutment area operating against the femur bone part and a second area facing a frontal region of the femoral prosthesis. The frontal portion has at least two guide holes at the first abutment area, and at least two frontal positioning holes at the second area.

Abstract: A retractor for surgery according to various implementations comprises a handle, an operating portion, and a curved body. In a side view, the handle, the curved body, and the operating portion each define a mean line, wherein: the mean line of the curved body extends along an arc, the mean line of the handle is tangent to the arc, the mean line of the operating portion defines a concavity opposed to the concavity of the arc; the operating portion comprises a retraction segment and one rest segment comprising a tip; and the extension of the circular arc intersects the rest segment. In a front view, the curved body defines an opening comprising a proximal portion having width l and a distal portion having width L, wherein l<L.

Abstract: Disclosed is a device for positioning a resurfacing prosthesis, including: a gripping and handling instrument for a main body of a resurfacing prosthesis; a connecting body, interposed between said gripping and handling instrument and said main body of said resurfacing prosthesis and suitable to connect them; a coupler which secures said connecting body to said main body, said coupler comprising: a plurality of bonding elements adapted to be interlocked, in an irremovable manner, in respective recesses provided in said connecting body; and a shear releaser, interposed between said main body of said resurfacing prosthesis and said connecting body, adapted to detach said connecting body from said main body. Other aspects are described and claimed.

Abstract: Joint prosthesis (100) with removal device comprising a first portion (10) suitable to be implanted in a bone structure and suitable to couple with a second portion (50), characterised in that said second portion (50) houses within it a removal element (70) suitable to interact with at least one of said first and second portions (10, 50) and in that said removal element (70), is configured to be operated in translation with respect to the second portion (50), and to generate a detachment force such as to uncouple the first portion (10) from the second portion (50) of the joint prosthesis (100).

Abstract: A patient limb positioning apparatus comprises a movement assembly operating on a coupling bracket which can be engaged with the patient's limb, to move the limb according to a plurality of axes of movement. The movement assembly comprises, for at least one of said axes of movement, a drive unit which can be activated to move the coupling bracket according to a predetermined direction of movement. A load transducer detects a load transmitted between the coupling bracket and the drive unit in the respective direction of movement, to emit a signal representative of a detected load value. An electronic control unit is selectively switchable to a load control command mode and is suitable to cyclically compare the measured load value with a pre-set load value, to control activation of the drive unit when the detected load value differs from the pre-set load value.

Abstract: The present disclosure relates to a guide device for tibial resection comprising a guide jig having a slot for a surgical saw, a first feeler provided for coming into contact with a point of a tibial plateau and a second feeler provided for coming into contact with a point of a tibial plateau. The first feeler and the second feeler can be rotated with respect to one another and to the guide jig around the same rotation axis and the first feeler can be translated with respect to the second feeler and to the guide jig along a first sliding direction contained within a first sliding plane. The second feeler can be translated with respect to the first feeler and with respect to the guide jig along a second sliding direction contained in a second sliding plane parallel to the first sliding plane.

Abstract: Various implementations include a guide for intramedullary reamer; that includes a central body adapted to be received in a medullary canal and defining an inlet opening and an outlet opening, communicating with each other by an axial cavity, passing inside the central body, adapted to receive a reamer inside it. The central body defines at least one non-rectilinear portion, interposed between the inlet opening and the outlet opening, shaped so as to guide the reamer inside the medullary canal, in axial alignment. The non-rectilinear portion defines a window adapted to facilitate the insertion of the reamer inside said central body.