Abstract: A glenoid positioning device (100), in particular for a Kirschner wire, comprising: a hub (101) with a reference through-hole (110) and comprising three housings (102a, 102b, 102c) arranged radially; three slide elements (103a, 103b, 103c) slidably housed within the three housings (102a, 102b, 102c), respectively, and configured to interact with a glenoid cavity; wherein the three slide elements (103a, 103b, 103c) are configured to be radially extended or retracted to identify a circular area (2) of a glenoid cavity.

Abstract: The present invention relates to a shoulder prosthesis comprising:—a metaglene element (2) or baseplate;—a pin (3) projecting from said metaglene element (2);—a through-hole (11) in the centre of said metaglene element (2);—at least one through-hole (5) formed in a periphery of the metaglene element (2) with respect to said central through-hole (11);—a glenosphere element (12) opposite said pin (3) with respect to said metaglene element (2);—a central compression screw (9) housed in said through-hole (11) in the centre of said metaglene element (2) and having a head abutting onto the bottom of said hole (11); and—wherein the central through-hole (11) has an opening (11A) that is threaded in a stretch to receive the end of a safety screw (18) passing through the glenosphere element (12);—a connector element (13) between the metaglene element (2) and the glenosphere element (12), the metaglene element (2) providing a seat (14) for housing the connector element (13) projecting around the central through-hole (11

Abstract: The present invention relates to a positioning device (100) for implantation of prosthesis in a long bone, in particular for implantation of humeral prosthesis, comprising: at least one centering element (101) with a channel (102) configured to house an intramedullary nail (11); a support element (103) configured to hold a reference mask (200) on a plane (12) at a resected metaphysis of the long bone; an adjustment element (104) configured to connect the centering element (101) and the support element (103), wherein the adjustment element (104) further comprises a displacement device (105) configured to provide a controlled offset to the support element (103) for displacing the reference mask (200) over the plane (12) of the resected metaphysis.

Abstract: A device for removing a prosthesis component is disclosed. The device includes an elongated body having a proximal handle and a distal end, a coupling portion at the distal end configured to couple with the prosthesis component and a cutting element having a pivot and a hook-shaped portion. The cutting element is movable about the pivot between a first position in which the hook-shaped portion is retracted to allow the coupling portion to abut onto the prosthesis component, and a second position in which the hook-shaped portion is configured to wrap the prosthesis component at least partially. The hook-shaped portion has a sharp end configured to cut off a bone portion at a rear surface of the prosthesis component.

Abstract: A scapular anchor for fixing a glenoid component of a shoulder joint prosthesis to a scapula with compromised anatomy. The scapular anchor comprises a glenoid support including a flange, and a pin integral with the flange for fixing the glenoid component to the scapular anchor. The flange comprises a distal surface structured to be at least partially in contact with a glenoid cavity of a scapula and a proximal surface opposite the distal surface. The scapular anchor comprises at least one customized portion specifically shaped to match a bone morphology of the scapula of a single patient with compromised anatomy. The at least one customized portion comprises the distal surface of the flange, being a customized distal surface of the flange, the customized distal surface being complementary shaped with respect to the glenoid cavity of the scapula of the single patient. A related manufacturing method of a scapular anchor.

Abstract: Customizable scapular anchor (1) for fixing a glenoid component of a shoulder joint prosthesis to a patient's scapula with compromised anatomy, comprising a glenoid support (2), said glenoid support (2) being defined by a pin element (3) for fixing said glenoid component to said scapular anchor (1) and by a flange (4) integral with said pin element (3), said flange (4) having a distal surface (5) adapted to be placed at least partially in contact with a glenoid cavity of said scapula and a proximal surface (6) opposite said distal surface (5); wherein at least one customized portion (5, 7, 8) is specifically shaped with respect to the bone morphology of a single patient's scapula with compromised anatomy; the customized portion (5, 7, 8) comprises at least one coracoid support projection (7) arranged to abut at a coracoid process (52) of the scapula (50).

Abstract: A modular reverse shoulder prosthesis, comprising: a stem (110) comprising a tapered body (111) and a first annular housing (112); a tray (120) comprising a dome element (121) for insertion into the first annular housing (112), and further comprising a second annular housing (122); a liner (130) comprising an engaging element (131) for at least partial insertion into the dome element (121), and further comprising a joint concave element (132) configured for coupling with the second annular housing (122). The second annular housing (122) of the tray (120) comprises a raised edge (123) configured to support the joint concave element (132) and which defines an overall outline having a different development in height at least in diametrically opposite portions (123a; 123b) of the tray (120).

Abstract: The present invention relates to a shoulder prosthesis comprising:—a metaglene element (2) or baseplate;—a pin (3) projecting from said metaglene element (2);—a through-hole (11) in the centre of said metaglene element (2);—at least one through-hole (5) formed in a periphery of the metaglene element (2) with respect to said central through-hole (11);—a glenosphere element (12) opposite said pin (3) with respect to said metaglene element (2);—a central compression screw (9) housed in said through-hole (11) in the centre of said metaglene element (2) and having a head abutting onto the bottom of said hole (11); and—wherein the central through-hole (11) has an opening (11A) that is threaded in a stretch to receive the end of a safety screw (18) passing through the glenosphere element (12);—a connector element (13) between the metaglene element (2) and the glenosphere element (12), the metaglene element (2) providing a seat (14) for housing the connector element (13) projecting around the central through-hole (11

Abstract: The present invention relates to a surgical spacer device (100) for a joint, comprising a substantially cylindrical or truncated-cone-shaped main body (101), internally hollow and configured for insertion in a distracted joint (1, 2); the main body (101) comprising: a first terminal surface (102) substantially flat and configured to abut onto a first bone portion (1) of the joint (1, 2); a second terminal surface (103) substantially annular and configured to abut onto a second bone surface (2) of the joint (1, 2) opposite the first bone portion (1), the second terminal surface (103) having a first opening (10) for access to the second bone portion (2); at least one lateral element (104) configured for maintaining a three-dimensional spaced structure between the first terminal surface (102) and the second terminal surface (103), the at least one lateral element (104) defining a second opening (20) configured for allowing a lateral access inside the main body (101) and further an access to the second bone porti

Abstract: An augment element for tibial applications in a knee prosthesis. The augment element comprises a metal body of a substantially truncated conical shape configured to be inserted into a bone extremity and having an outer surface comprising a metal trabecular surface The the metal body is hollow with an axial through-cavity defining a plurality of substantially annular transversal sections. The metal body is inclined in a direction of inclination, so as to define at least one eccentricity between a first transversal section at a first end of the axial through-cavity and a second transversal section at a second end of the axial through-cavity The first transversal section at the first end is larger in size than the second transversal section at the second end. The metal body comprises lateral walls having respective curved and concave shapes with respect to the outside of the metal body, to replicate a medial/side and rear bone anatomy.

Abstract: The present invention relates to a surgical cutting instrument for minimally invasive surgery comprising a gripping element, a hollow stem mounted as an extension of said gripping element along a longitudinal axis of the instrument; a tie rod housed in the hollow stem and having a proximal end coupled to a control lever in said gripping element and a distal end hinged to a blade element; a covering and guiding sheath for said blade element as an extension of said stem. The blade element has a fulcrum that is movable in said covering and guiding sheath and is configured to pass from an inactive position in which it is hidden housed in said covering sheath and an active position protruding outwardly through a window of said covering sheath and vice versa.

Abstract: Augment element for knee prosthesis, comprising a metal body of a substantially truncated conical shape configured to be inserted into a bone extremity and having an outer surface comprising a metal trabecular surface. The metal body being hollow with an axial through-cavity defining a plurality of substantially annular transversal sections. The metal body is inclined in a direction of inclination, so as to define at least one eccentricity between a first transversal section at a first end of the axial through-cavity and a second transversal section at a second end of the axial through-cavity.

Abstract: A glenoid positioning device (100), in particular for a Kirschner wire, comprising: a hub (101) with a reference through-hole (110) and comprising three housings (102a, 102b, 102c) arranged radially; three slide elements (103a, 103b, 103c) slidably housed within the three housings (102a, 102b, 102c), respectively, and configured to interact with a glenoid cavity; wherein the three slide elements (103a, 103b, 103c) are configured to be radially extended or retracted to identify a circular area (2) of a glenoid cavity.

Abstract: The present invention relates to a glenoid component (100, 600, 800, 1000, 1200) for shoulder prosthesis, comprising: a glenoid coupling surface (101, 1001), adapted to be fixed to a bone and comprising a first convex portion (102) having a first outer edge (103, 1003) which defines a development plane (104, 1004); a prosthetic coupling surface (105, 1005), opposite the glenoid coupling surface (101, 1001) and adapted to house a second prosthetic component of the shoulder prosthesis, the prosthetic coupling surface (105, 1005) comprising a second portion (106) having a second outer edge (107, 1007) which defines a reference plane (108, 1008); wherein the glenoid component (100, 1000) provides a predetermined offset (109, 809, 1009) between the development plane (104, 1004) and the reference plane (108, 1008), so as to define an increased thickness of the glenoid component (100, 1000) adapted to compensate for a bone deficit. The present invention also relates to a shoulder prosthesis.

Abstract: A glenoid anchor for a shoulder joint prosthesis, fixed to a glenoid cavity of a shoulder blade. The glenoid anchor consists only of a structurally independent pin, with an internally hollow conical sleeve, which has a tapered distal end configured for being directly fixed to the glenoid cavity and an open proximal end configured for being removably attached to a prosthesis component. The prosthesis component is a lug of either one of an anatomical prosthesis or a reverse prosthesis. The glenoid anchor is configured for removal of said lug in order to convert the anatomical prosthesis to the reverse prosthesis or vice-versa, while keeping the structurally independent pin inside the glenoid cavity. An outer surface of the sleeve of said pin has a trabecular structure for favouring osteogenesis and bone integration.

Abstract: The invention relates to a method for surgical application of a glenoid anchor of a shoulder joint prosthesis and instruments advantageously used in the method. The method includes making a delto-pectoral incision providing a delto-pectoral access to a shoulder joint; with the delto-pectoral access being suitable for inserting at least one machining tool; and making a trans-deltoid incision providing a trans-deltoid access to the humeral head; with the trans-deltoid access being suitable for inserting a stem of a machining instrument to be mounted on the machining tool for machining the glenoid cavity.

Abstract: The present invention relates to an improved glenoid anchor for a shoulder joint prosthesis, in particular a convertible prosthesis, of the type intended to be fixed to the glenoid cavity of the shoulder blade and comprising: —a pin (2) with an internally hollow and essentially thimble-like conical sleeve (12), which has a tapered distal end (3) and an open proximal end (4); —an annular recess (15) formed inside the cavity (13) of the pin (2) in the vicinity of said open proximal end (4), for receiving by means of snap-engagement an edge (34) of a lug (30) of a prosthesis component (9); —at least one pair of oppositely arranged anti-rotation notches (16, 17) in the proximity of said annular groove (15) for receiving by means of snap fit oppositely arranged teeth (18, 19) of the same lug (30) intended to be snap-engaged together with said pin (2).