31 results about "Osteosynthesis" patented technology

The present invention provides an osteosynthesis plate for fixing bone fragments in the repair of bone, particularly the mandible. [Solution] The plate body P comprises a plate body having at least one bridge portion BU used to bridge a gap S extending between bone fragments K1, the plate body comprising fixing portions BA1, BA2 each associated with at least one fixing point, at least one fixing point BP1, BP2 of the fixing portions formed on an island portion IA, the island portion being connected to each associated fixing portion only via spring segments FS1, FS2 which allow elastically restorable relative displacement between each fixing portion and each island portion, at least one of the spring segments causing relative displacement between the island portion and the associated fixing portion when a load is applied in the principal loading direction of the bone, and increasing the distance between the island portion and at least one bridge portion.

There is a fixation device for promoting fusion and / or osteosynthesis of a first bone segment and a second bone segment, comprising a bone plate portion including an outer surface, an inner surface and at least one fixation aperture extending from the outer surface to the inner surface and a bone wedge portion extending from the plate portion at a first end and a free opposite end, the bone wedge portion comprising a porous architecture configured to promote bone ingrowth, the wedge portion defining first and second engagement surfaces for engaging the first bone segment and a second bone segment, respectively. There is also a method of manufacturing a fixation device for promoting fusion and / or osteosynthesis of a first bone segment and a second bone segment, a method of promoting fusion and / or osteosynthesis of a first bone segment and a second bone segment, and a fixation kit.

An osteosynthesis plate (P) for fixing bone fragments incudes an elongate main body (G) with a top side (G1) and an underside (G2) opposite the top side (G1). The underside (G2) is provided for placing the osteosynthesis plate (P) on the bone fragments. The osteosynthesis plate (P) includes multiple openings (A) for accommodating one screw (SK) each. An annular insert (R) formed in one piece is arranged in at least one of the openings (A). The insert (R) includes a first and a second portion (R1, R2). The first portion (R1) faces the top side (G1) and is arranged directly adjacent to the second portion (R2) in the axial direction. The first portion (R1) has a non-rotationally symmetrical outer contour (AD1) and the second portion (R2) has a rotationally symmetrical outer contour (AD2).

FIELD: traumatology; orthopedics.SUBSTANCE: used in the treatment of displaced fractures of both columns of the acetabulum (AC). After performing repositioning and metal osteosynthesis of the anterior column of the acetabulum, X-ray control is performed. A proximal support consisting of two halves is formed on bone rods inserted into the iliac bones. On the hip, on the bone rods, on the side of the acetabulum fracture, in a position of its internal rotation by 10° , a distal support along the outer surface is formed with the possibility of movement, distraction and lateralization. The proximal and distal supports are connected by rods, with the help of which distraction along the axis of the femur is performed by 2 cm and its lateralization by rods by 1.5 cm, the apparatus is stabilized, and X-ray control is performed.EFFECT: method ensures anatomically correct restoration of the acetabulum and its reliable stabilization, allowing the patient to be activated at an early stage due to the formation of a proximal support from two halves on bone rods inserted into the iliac bones, creating the ability to produce and maintain internal rotation of the hip, distraction and lateralization of the hip along its axis due to internal rotation of the hip by 10°, creating tension in the short external rotators of the hip.1 cl, 4 dwg, 1 ex

The invention relates to an osteosynthesis plate (P) with an elongated base body (G) comprising a top surface (G1), a bottom surface (G2), a head section (KA), and a shaft section (SA). Several through-holes (A1 to A12) are arranged on the head section (KA) and on the shaft section (SA), each designed to accommodate a screw (SK) and extending between the top surface (G1) and the bottom surface (G2) of the base body (G) along a corresponding central axis (MA1 to MA12).The head section (KA) has four pairs of through-openings (APa1, APa2, APa3, APa4) and a single through-opening (A7), with the first pair of through-openings (APa1), then the second pair of through-openings (APa2), then the third pair of through-openings (APa3), then the single through-opening (A7) and finally the fourth pair of through-openings (APa4) following one another in the longitudinal direction of the base body (G) on the head section (K), starting from a proximal end (E1).

The present invention relates to a clamping screw (6) for osteosynthesis, comprising at least one screw thread (7, 10) along a main axis (X) and, at its end referred to as the apex end (11), having a socket (12) which, about said main axis (A), has evenly angularly distributed shapes designed to accept complementing shapes of a screwdriver (19) engaged in said socket (12), notable in that the socket (12) of the screw (6) comprises at least three regular shapes (13) of which the vertices are inscribed inside a circle referred to as circumscribed circle (30) and at least two adjacent vertices of the socket (21) are connected to form a convex lobe referred to as indexing lobe (16) of which the radius of curvature is equal to the radius of the circumscribed circle (30).

Abstract OSTEOSYNTHESIS PLATE The invention relates to an osteosynthesis plate (OP, OPʹ, OP", OP"ʹ), which is provided for a fixation of bone fragments (K1, K2) for the restoration of a bone (K), in particular a mandible, comprising a plate body (P, Pʹ), wherein the plate body (P, Pʹ) has at least one bridge section (BU, BU1, BU2) which is used to bridge a gap (S) extending between the bone fragments (K1, K2), wherein the plate body (P, Pʹ) is equipped with fixation sections (BA1, BA2, BA1ʹ, BA2ʹ, BA3ʹ) with each of which at least one fixation point (BP1, BP2, BP1ʹ, BP2ʹ, BP3ʹ) is associated, wherein the at least one fixation point (BP2, BP1ʹ, BP2ʹ) on at least one of the fixation sections (BA1, BA2, BA1ʹ, BA2ʹ, BA3ʹ) is formed on an island section (IA, IAʹ) which is connected to the respective associated fixation section (BA2, BA1ʹ, BA2ʹ) exclusively via spring segments (FS1, FS2, FS1ʹ, FS2) which permit a relative displacement of the respective fixation section (BA2, BA1ʹ, BA2ʹ) and of the respective island section (IA, IAʹ) relative to one another in an elastically resilient manner, wherein at least one of the spring segments (FS1, FS2, FS1ʹ, FS2) is aligned in such a way that, when a load (B) is applied in a main loading direction of the bone (K), a relative displacement takes place between the island section (IA, IAʹ) and the fixation section (BA2, BA1ʹ, BA2ʹ) associated with this island section (IA, IAʹ), during which a distance between the island section (IA, IAʹ) and the at least one bridge section (BU, BU1) increases. FIG. 1A Abstract FIG. 1A 20 25 27 15 58 01 D ec 2 02 5 A b s t r a c t 2 0 2 5 2 7 1 5 5 8 0 1 D e c 2 0 2 5 KLS0047P K1 BP1 K S IA D1 FS2 K2 BP2 S21 GS1 S11 P SM1 1 / 6 BA1 DO1 BU FS1 OP D2 OS DO2 BA2 S12 GS2 S22 Fig. 1A 2024-12-19 20 25 27 15 58 01 D ec 2 02 5 2 0 2 5 2 7 1 5 5 8 0 1 D e c 2 0 2 5 K L S 0 0 4 7 P 2 0 2 4 - 1 2 - 1 9

The present invention provides an osteosynthesis plate for fixing bone fragments in the repair of bone, particularly the mandible. [Solution] The invention comprises a plate body P, the plate body having an upper surface OS and a lower surface for positioning the plate body on bone fragments K1 and K2, the plate body having a plurality of fixing parts BA1 and BA2, the bone fixation plate OP being fixed to the bone fragments at the lower surface of the plurality of fixing parts, each of the plurality of fixing parts being associated with at least one fixing point BP1 and BP2, at least one fixing point of the fixing parts being formed on an island part IA, the island part being connected to the relevant fixing part of the plate body only via spring segments FS1 and FS2 that allow elastically restorable relative displacement between each fixing part and each island part, and the spring segments asymmetrically surrounding the fixing point associated with the spring segments.

The invention relates to an osteosynthesis plate (P) designed for attachment to the proximal humerus (H) for fixing bone fragments and comprising an elongated base body (G) with a top surface (G1) and an opposing bottom surface (G2). The base body (G) has two fastening sections (BA1, BA2) arranged longitudinally at the respective ends (E1, E2) of the base body (G), each of which is equipped with at least one through-hole (A1, A2, A3, A4), wherein the through-holes (A1, A2, A3, A4) are each provided for receiving one screw (SK). The osteosynthesis plate (P) is designed for anterior fixation to the proximal humerus (H), wherein the base body (G) is provided on the underside (G2) in the longitudinal direction between the fixation sections (BA1, BA2) with a recess (AS) which completely penetrates the base body (G) transversely.The invention further relates to an osteosynthesis set (O) with such an osteosynthesis plate (P).

The invention relates to the application of the tension-band-aiming device for olecranon fracture osteosynthesis. The device may also be used in cases where osteotomy of the olecranon is needed. It comprises a main part and five other adjuvant elements one of which assists for the osteotomy. The device offers precision for optimal results and is easy to use. The invention also relates to a method for the application of the tension-band-aiming device for olecranon fracture osteosynthesis and to its use.

System for osteosynthesis comprising a bone plate (2) having at least one receiving opening (8) and a bone anchor (3) comprising an anchor head (6), wherein the anchor head (6) is configured for fixation in the receiving opening (8) by forming a positive-locking and / or friction-locking connection with the bone plate (2), wherein the bone plate (2) is made of a magnesium alloy at least in a section comprising the receiving opening (8) and the bone anchor (3) is made of a magnesium alloy at least in a section comprising the anchor head (6), wherein the magnesium alloy of the bone anchor (3) and the magnesium alloy of the bone plate (2) have different hardnesses, characterized in that • the magnesium alloy with greater hardness has a material structure achieved at least in one step by cold forming and • the bone plate (2) has a coating (12) on a base body made of the respective magnesium alloy at least in a section encompassing the receiving opening (8) and / or the bone anchor (3) has a coating (12) on a base body made of the respective magnesium alloy at least in a section encompassing the anchor head (6).

The utility model provides a head frame with an improved adjusting assembly for a suturing traction osteogenesis. The head frame comprises a fixing frame, fixing plates are arranged on the two sides of the fixing frame, fixing rods are arranged at one ends of the fixing plates, fixing sleeves are arranged on the two sides of the fixing frame, the fixing rods are clamped in the fixing sleeves, and the fixing plates are connected with the fixing frame in a sliding mode. A plurality of sets of fastening screw holes are formed in the fixing plate, the fastening screws are arranged in the fastening screw holes in a penetrating mode, a sliding rod is arranged on the fixing frame, and a traction assembly is arranged below the fixing frame and arranged on the sliding rod in a sleeving mode. The fixing plates on the head frame are matched with the fixing sleeves on the fixing frame through the fixing rods, the distance between the two fixing plates can be adjusted, and therefore the fixing size of the fixing head frame can be adjusted according to the skull of a patient, it is ensured that the head frame can be perfectly attached to the skull of the patient, and the stable and reliable fixing effect is achieved. Meanwhile, the traction assembly can move up and down along the sliding rod and can be adjusted according to the actual condition of the patient, so that the optimal traction effect is achieved.

An osteosynthesis plate (OP, OP′, OP″, OP′″) for fixation of bone fragments (K1, K2) includes a plate body (P, P′) with at least one bridge section (BU, BU1, BU2) for bridging a gap (S) between the bone fragments (K1, K2). The plate body (P, P′) includes fixation sections (BA1, BA2, BA1′, BA2′, BA3′), each of which is associated with at least one fixation point (BP1, BP2, BP1′, BP2′, BP3′) that is formed on an island section (IA, IA′) connected to the respective associated fixation section (BA2, BA1′, BA2′) exclusively via spring segments (FS1, FS2, FS1′, FS2) that permit relative displacement of the respective fixation section (BA2, BA1′, BA2′) and of the respective island section (IA, IA′) in an elastically resilient manner. At least one of the spring segments (FS1, FS2, FS1′, FS2) is aligned such that, when a load (B) is applied in a main loading direction of the bone (K), a relative displacement takes place between the island section (IA, IA′) and the fixation section (BA2, BA1′, BA2′) associated with this island section (IA, IA′), during which a distance between the island section (IA, IA′) and the at least one bridge section (BU, BU1) increases.

A screw for osteosynthesis includes a body, a thread, and a driver receiving cavity. The body includes a proximal end and a distal end, and the body defines a central longitudinal axis that extends between the proximal end and the distal end. The thread is disposed along at least a portion of the body. The driver receiving cavity is at the proximal end of the body, and the driver receiving cavity includes at least five lobes circumferentially spaced apart from one another about the central longitudinal axis to define at least five grooves. Each one of the at least five lobes defines a different internal lobular area. The at least five grooves can be configured to receive six lobes of a hexalobular driver having equally spaced lobes.

A screw for osteosynthesis includes a body, a thread, and a driver receiving cavity. The body includes a proximal end and a distal end, and the body defines a central longitudinal axis that extends between the proximal end and the distal end. The thread is disposed along at least a portion of the body. The driver receiving cavity is at the proximal end of the body, and the driver receiving cavity includes at least five lobes circumferentially spaced apart from one another about the central longitudinal axis to define at least five grooves. Each one of the at least five lobes defines a different internal lobular area. The at least five grooves can be configured to receive six lobes of a hexalobular driver having equally spaced lobes.

The present invention relates to a clamping screw (6) for osteosynthesis, comprising at least one screw thread (7, 10) along a main axis (X) and, at its end referred to as the apex end (11), having a

The invention relates to a device for the cortical fixation of a dental implant, which can increase primary stability and allows a freely selectable rotational position of the superstructure independent of the longitudinal rotation of the implant. The assembly consists of a coronal part 1, which can be firmly connected to a superstructure, for example, an osteosynthesis plate 3 and / or a dental crown 10, and an apical part 2, which forms the implant connection and can be connected to the coronal part 1 via a conical connection 4. An abutment screw 6 is rotatably and positively retained in the coronal part 1, extends through the apical part 2, and can be screwed into the implant 9 via a thread.This allows rotation of the coronal part 1 and thus precise positioning of the osteosynthesis plate 3 on the jawbone 8 until the abutment screw 6 is tightened, generating an apically directed force and enabling a form-fit and force-fit fixation in the area of ​​the conical connection 4. The osteosynthesis plate 3 can then be fixed to the jawbone 8 to improve primary stability during the healing phase of immediately loaded implants.

The utility model relates to medicine, specifically to traumatology, orthopedics, and purulent surgery, and can be used in the treatment of fractures of long tubular bones complicated by infectious processes. A rod for intramedullary osteosynthesis of long tubular bones is designed as a curved rod with a roughness Ra in the range of 0.02 to 0.75 μm with holes for transosseous transverse locking with screws. Isolated recesses are formed on the surface of the rod for the placement of a medicinal composition, and the shape of the rod is made anatomically corresponding to the curvature of the bone diaphysis. This achieves an expansion of the arsenal of means for the specified purpose with an increase in the performance characteristics of the rod. 31 clauses, 15 figs., 21 items.

Anatomical proximal humeral osteosynthesis bone plate devices, as well as kits and systems incorporating these devices, are disclosed. The bone plate device is configured and adapted to be attached to the proximal humerus. The kit comprises at least two bone plate devices which differ from each other in at least one structural and / or dimensional characteristic. Methods of use thereof are also disclosed.

An osteosynthesis implant system (1; 1a) includes a bone screw (K1; K2, K3; K1a, K1b) having a screw head (SK1) and a screw shank and also includes an osteosynthesis plate (10; 10′; 10a) with at least one slot (L1, L2; L1′, L2; L1a-L6a) through which the bone screw (K1; K2, K3; K1a, K1b) is bringable into engagement at different positions to be anchored to the bone (SK, OK). The slot (L1, L2; L1′, L2; L1a-L6a) includes a first and a second longitudinal bar (LL1, LL2) that extend along an extension direction of the osteosynthesis plate (10; 10′; 10a) and have a bevel (F1) which is directed into the slot (L1, L2; L1′, L2; L1a-L6a). T thread projection (S1) for accommodating a thread turn (GK1) of the screw shank is formed on the first longitudinal bar (LL1) underneath the bevel (F1). A flat surface (EF) is formed on the second longitudinal bar (LL2) underneath the bevel (F1) and extends substantially in parallel with a depth extent (T) of the slot (L1, L2; L1′, L2; L1a-L6a).

The invention relates to a device for the cortical fixation of a dental implant, which can increase primary stability and allows a freely selectable rotational position of the superstructure independent of the longitudinal rotation of the implant. The assembly consists of a coronal part 1, which can be firmly connected to a superstructure, for example, an osteosynthesis plate 3 and / or a dental crown 10, and an apical part 2, which forms the implant connection and can be connected to the coronal part 1 via a conical connection 4. An abutment screw 6 is rotatably and positively retained in the coronal part 1, extends through the apical part 2, and can be screwed into the implant 9 via a thread.This allows rotation of the coronal part 1 and thus precise positioning of the osteosynthesis plate 3 on the jawbone 8 until the abutment screw 6 is tightened, generating an apically directed force and enabling a form-fit and force-fit fixation in the area of ​​the conical connection 4. The osteosynthesis plate 3 can then be fixed to the jawbone 8 to improve primary stability during the healing phase of immediately loaded implants.

The present disclosure proposes a fixation device (105), of the internal type, for calcaneal fracture osteosynthesis. The fixation device comprises a main fixing screw (205) and a plurality of secondary fixing screws (2101-2106), wherein the main fixing screw is adapted to be inserted in the heel along a longitudinal direction (X) identifying a prevalent extension direction of the foot. The main fixing screw (205) comprises a plurality of insertion holes (2151-2156) adapted to allow the secondary fixing screws (2101-2106) to be inserted through the main fixing screw (205), transversally to the main fixing screw, at respective insertion angles. The present disclosure also proposes an application device (110) adapted to guide the application of the plurality of secondary fixing screws into the main fixing screw of the fixation device, and a reduction device (115) adapted to allow the reduction of calcaneal fracture. The present disclosure further proposes a system (100) per treating of calcaneal fractures comprising the fixation device, the application device, and the reduction device.

An osteosynthesis device for treating the spine is disclosed including a fork head which is U-shaped in a side view, has two fork legs in the proximal direction with an internal thread, and in which a connecting rod can be received, and a locking element is guided in the internal thread, and the fork head has a spherical head receiving area and is detachably connected to a bone anchor, and the bone anchor is pivotably mounted in the spherical seat of the spherical head receiving area, wherein the fork head has slots which are open in the distal direction at the spherical head receiving area and at least two deflectable legs are thereby formed, and a locking ring mounted at least partially around the spherical head receiving area.

1. Osteosynthesis plate (OP; OP'; OP''; OP'''), which is intended for fixing bone fragments (K1, K2) for the reconstruction of a bone (K), in particular a mandible, comprising a plate body (P; P') with a top (OS) and a bottom, on which the plate body (P; P') is to be placed on the bone fragments (K1, K2), wherein the plate body (P; P') has several attachment sections (BA1, BA2; BA1', BA2', BA3'), on which attachments of the osteosynthesis plate (OP; OP'; OP''; OP''') are to be made on the underside by the bone fragments (K1, K2) and to which at least one attachment point (BP1, BP2; BP1', BP2', BP3') is assigned, wherein the at least one attachment point (BP2; BP2', BP3') is located at at least one of the attachment sections (BA1, BA2; BA1', BA2', BA3') is designed on an island section (IA) which is connected to the associated fastening section (BA2; BA2', BA3') of the plate body (P;P') is connected exclusively via spring segments (FS1, FS2) which allow a relative displacement of the respective mounting section (BA2; BA2', BA3') and the respective island section (IA) to each other in an elastically resilient manner, wherein the spring segments (FS1, FS2) surround their assigned mounting point (BP2, BP2', BP3') asymmetrically.;

Osteosynthesis plate (OP, OP', OP'', OP'''') for the fixation of bone fragments (K1, K2) for the reconstruction of a bone (K), in particular a mandible, comprising a plate body (P, P'), wherein the plate body (P, P') has at least one bridging section (BU, BU1, BU2) for bridging a gap (S) running between the bone fragments (K1, K2), wherein the plate body (P, P') is equipped with attachment sections (BA1, BA2, BA1', BA2, 'BA3'), each of which is assigned at least one attachment point (BP1, BP2, BP1', BP2', BP3'), wherein the at least one attachment point (BP2, BP1', BP2') is located on an island section (IA, IA') in at least one of the attachment sections (BA1, BA2, BA1', BA2, 'BA3'). is designed, which is connected to the respective associated fastening section (BA2, BA1', BA2') exclusively via spring segments (FS1, FS2, FS1', FS2),which allow a relative displacement of the respective attachment section (BA2, BA1', BA2') and the respective island section (IA, IA') relative to each other in an elastically resilient manner, wherein at least one of the spring segments (FS1, FS2, FS1', FS2) is oriented such that, under a load (B) in a principal load direction of the bone (K), a relative displacement occurs between the island section (IA, IA') and the attachment section (BA2, BA1', BA2') assigned to this island section (IA, IA'), whereby the distance of the island section (IA, IA') to the at least one bridge section (BU, BU1) increases.

Anatomical proximal humerus osteosynthesis bone plate devices, as well as kits and systems containing same, are disclosed. The bone plate devices are configured and adapted for attachment to a proximal humerus. The kits include at least two bone plate devices that differ from one another in at least one structural and / or size characteristic. Also disclosed are methods of use thereof.

An assembly for rectifying vertebrae, comprises: two bone anchoring means intended to be implanted on a same vertebra, a triangulation bar and a connection means for connecting the triangulation bar to each bone anchoring means and for holding the bone anchoring means in a given position in order to form, with the triangulation bar connected to the bone anchoring means by means of the connection means, a rigid triangular assembly, the triangulation bar comprising an attachment area for attaching a correction instrument arranged to ensure a rigid attachment in rotation and in translation of the correction instrument on the triangulation bar.

Osteosynthesis implant system (1; 1a) with a bone screw (K1; K2, K3; K1a, K1b) having a screw head (SK1) and a screw shaft and an osteosynthesis plate (10; 10'; 10a) wherein the osteosynthesis plate (10; 10'; 10a) has at least one elongated hole (L1, L2; L1', L2; L1a-L6a) through which the bone screw (K1; K2, K3; K1a, K1b) can be inserted at different positions for anchoring to the bone (SK, OK), wherein the elongated hole (L1, L2; L1', L2; L1a-L6a) has a first and a second longitudinal ridge (LL1, LL2) which extend along a direction of extension of the osteosynthesis plate (10; 10'; 10a) and engage in the elongated hole (L1, L2; L1', L2; L1a-L6a) have a chamfer (F1) directed, wherein a threaded web (S1) for receiving a thread (GK1) of the screw shank is formed on the first longitudinal rib (LL1) below the chamfer (F1);and wherein a flat surface (EF) is formed on the second longitudinal rib (LL2) below the chamfer (F1) ), which runs essentially parallel to a depth extension (T) of the elongated hole (L1, L2; L1', L2; L1a-L6a).