Abstract: An attachment system for an osteosynthesis device for spinal treatment is disclosed having a main body including a first receiving region which is designed for receiving a connecting element, a second receiving region which is designed for receiving a bone anchor, a third receiving region having a linear transverse opening, the transverse opening having a first opening at its first end and a second opening at its second end, an axial opening for receiving and guiding a positioning element, and the device further having a fixing element and a positioning element.

Abstract: The invention relates to an extension device for a bone anchor, in particular for a bone screw, in particular for a pedicle screw, in particular in minimally invasive spinal surgery, the device having an axial longitudinal direction, a peripheral direction concentric therewith, and a radial direction, wherein the extension device extends in the axial longitudinal direction and engages, by means of a radial projection, an engageable region on the head of the bone anchor in the longitudinal direction and also in the radial direction and can be supported against the head of the bone anchor in the opposite direction so that the extension device can thereby be fixed to the head of the bone anchor so as to be detachable, yet also rigid in the longitudinal direction and non-rotatable.

Abstract: A screw element for the fixation of bone components and bone fragments is disclosed having a shaft with an external thread and a longitudinal central axis extending along the shaft and defining distal and proximal directions. The screw element includes a continuous cannulation, the cannulation includes at least two laterally extending openings communicating with the cannulation, and that the openings are configured as a polygon in a side view.

Abstract: 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.

Abstract: A bone anchor for the fixation of bone components and bone fragments is disclosed including a shaft, a neck area and a head located in proximal direction, and a tip located in distal direction, the bone anchor having a substantially cylindrically shaped hollow chamber extending along the central axis, the hollow chamber being adjacent to a transition area located distally from a central plane. The transition area is located distally from the central plane, that the transition area has at least in sections an inner diameter and the hollow chamber has at least in sections an opening diameter, and the opening diameter of the hollow chamber is larger than the inner diameter of the distal transition area.

Abstract: A screw element for the fixation of bone components and bone fragments is disclosed having a shaft with an outside screw thread and a longitudinal axis extending along the shaft and defining a distal direction and a proximal direction, and an insertion direction and an opposite removal direction, and has a tool attachment point starting radially inwards and the tool attachment point has a central opening and in the wall of this opening at least five tooth profiles directed radially outwards and mainly parallel to the screw axis directed radially outwards and mainly parallel to the screw axis are formed in the wall of this opening, and for each tooth profile an insertion wall in insertion direction and a removal wall in removal direction can be separated, and that the surface of the insertion wall is greater than the surface of the removal wall.

Abstract: An osteosynthesis device for the fixation of bone components and bone fragments is disclosed including a bone anchor having a shaft which extends along a central axis and thereby defines a distal and a proximal direction, and includes at least one blade area with a first and a second wing, and proximally adjoins a neck area and further has a head with at least one spherical segment, and the bone anchor has a central and continuous cannula opening with a diameter. The blade area at least one window with an opening width is provided. The window interacts with the cannula opening, and the head area has an opening with an opening diameter, which also interacts with the cannula opening. The diameter of the cannula opening is smaller than the opening width of the window and the diameter of the cannula opening is also smaller than the opening diameter at the head and the shaft is formed in one piece with the blade area, the neck area and the head with spherical segment.

Abstract: A screw element is disclosed having a shaft with an outside screw thread and a longitudinal axis extending along the shaft and thereby defining a distal direction and a proximal direction, and an insertion direction and an opposite removal direction, and has a tool attachment point starting radially inwards and the tool attachment point has a central opening and in the wall of this opening at least five tooth profiles directed radially outwards and mainly parallel to the screw axis directed radially outwards and mainly parallel to the screw axis are formed in the wall of this opening, and for each tooth profile an insertion wall in insertion direction and a removal wall in removal direction can be separated, characterized in that the surface of the insertion wall is greater than the surface of the removal wall.

Abstract: A bone anchor for the fixation of bone components and bone fragments, including a shaft, a neck area and a head located in proximal direction and a tip located in distal direction, wherein the bone anchor has a mainly cylindrically shaped hollow chamber extending along the central axis, wherein the hollow chamber is adjacent a transition zone located proximally from a central plane, characterized in that the transition zone at least partially has an inner diameter and the hollow chamber at least partially has an opening diameter, and the opening diameter of the hollow chamber is greater than the inner diameter of the proximal transition zone.

Abstract: The invention relates to a device for correcting a bone fracture using bone anchors, in particular bone screws, and extension devices attachable to the bone anchors.

Abstract: The invention relates to a polyaxial screw including a screw anchor and a fork head which has two arms, is U-shaped in a lateral view and has a receiving opening for a correction element, and including a pressure piece which can be arranged in the fork head between the head of the screw anchor and the correction element, rests on the head of the screw anchor and can be loaded by the correction element.

Abstract: An osteosynthesis device for the treatment of the spine is disclosed having a fork head which is U-shaped in a side view, and which fork head, in the proximal direction, has two fork legs with an internal thread and in which a connecting rod can be received, and a grub screw is passed through the internal thread, and the fork head is detachably connected to a bone anchor. The bone anchor is pivotably mounted in the ball seat of the fork head, wherein the fork head in the ball seat area has slots open towards the distal side and thereby at least one deflectable leg is formed.

Abstract: An osteosynthesis device for the treatment of the spine is disclosed having a fork head which is U-shaped in a side view, and which fork head, in the proximal direction, has two fork legs with an internal thread and in which a connecting rod can be received, and a grub screw is passed through the internal thread, and the fork head is detachably connected to a bone anchor. The bone anchor is pivotably mounted in the ball seat of the fork head, wherein the fork head in the ball seat area has slots open towards the distal side and thereby at least one deflectable leg is formed, characterized in that the fork head with at least one deflectable leg, which can be applied to the outer surface of the bone anchor head, wherein the at least one leg has an outer wall and an inner wall, which are interconnected at at least one point in such a way that upon tightening the grub screw.

Abstract: The invention relates to a device for correcting a bone fracture using bone anchors, in particular bone screws, and extension devices attachable to the bone anchors.

Abstract: An occupant protection device for a motor vehicle, having an airbag deploying as a result of propellant gas pressurization and extending along a lateral roof rail connecting vehicle pillars of the vehicle body, and having a roof liner mounted on the vehicle body, wherein a storage space for the folded airbag is formed between the roof rail and the roof liner. Advantageously, the airbag and the roof liner extend at least into the region of a vehicle rear-side and/or a vehicle front-side vehicle pillar, wherein the roof liner is adjustably mounted on the vehicle body toward the vehicle interior at least in the region of the relevant vehicle pillar in such a way that in the region of this vehicle pillar, the roof liner opens up both a first exit region from the storage space toward the bottom of the vehicle and a second exit region from the storage space toward the top of the vehicle for the airbag deploying as a result of propellant gas pressurization.

Abstract: The invention relates to a polyaxial pedicle screw (2) comprising a screw anchor (4), which has a threaded shaft (6) and a head (8), and comprising a fork head (10), which is U-shaped in side view and has a receiving opening (16) for a corrective element, in particular a correcting rod, and two arms (12), wherein the head is polyaxially pivotably mounted in a distal end region (14) of the fork head and the fork head can be fixed in a pivoted position intended by the surgeon relative to the head, and also comprising a pressure piece (18) which can be arranged in the fork between the head and the corrective element which, on the one hand, rests on the head and, on the other hand, can be loaded by the corrective element, wherein the region of one arm of the fork head the pressure piece is supported by means of a pivot bearing (54) against this arm in the axial direction (20), and that diametrically opposite the pressure piece has a receiving region (42) for a positioning force (44) acting in the axial direction

Abstract: The invention relates to a polyaxial screw including a screw anchor and a fork head which has two arms, is U-shaped in a lateral view and has a receiving opening for a correction element, and including a pressure piece which can be arranged in the fork head between the head of the screw anchor and the correction element, rests on the head of the screw anchor and can be loaded by the correction element.

Abstract: The invention refers to an extension device (1) for a bone screw (4) and to a screwdriver instrument (2) connectable to the extension device (1); it is proposed that the screwdriver instrument (2) comprises a toggle lever mechanism (62) having a first and a second lever arm (64, 66), which are pivotally connected to each other through a common articulation point (68), that the first lever arm (64) may be removably applied, in the area of its free end (70), at a first pivot bearing point (72) on the extension device (1) and is pivotally mounted and axially supported in the applied state, and that the second lever arm (66) is pivotally mounted and axially supported at a second pivot bearing point (74) on the shank, that the first lever arm (64) is elastically and longitudinally extendable, and that this longitudinal extensibility and a distance between the second pivot bearing point (74) and the common articulation point (68) of the lever arms (64, 66) are adapted to each other in such a way that when manually

Abstract: The invention relates to a handling instrument for a pedicle screw. The handling instrument is connectable to the pedicle screw in a rigid and rotationally fixed manner. The handling instrument includes a housing part which extends in an axial longitudinal direction and which is tubular or sleeve-shaped in some sections, and a rod part, which is arranged in the outer housing part and which can engage into a tool placement point of the pedicle screw. The housing part has a guide slot, and the rod part has a transverse opening, which extends in a radial direction, in particular in the region of the guide slot of the housing part.

Abstract: The invention relates to an extension device for a bone anchor, in particular for a bone screw, in particular for a pedicle screw, in particular in minimally invasive spinal surgery, the device having an axial longitudinal direction, a peripheral direction concentric therewith, and a radial direction, wherein the extension device extends in the axial longitudinal direction and engages, by means of a radial projection, an engageable region on the head of the bone anchor in the longitudinal direction and also in the radial direction and can be supported against the head of the bone anchor in the opposite direction so that the extension device can thereby be fixed to the head of the bone anchor so as to be detachable, yet also rigid in the longitudinal direction and non-rotatable.