Patent application number | Description | Published |
20090036934 | BONE ANCHORING DEVICE - A bone anchoring device includes a bone anchoring element having a shaft for anchoring in the bone and a head; and a receiving part for coupling a rod to the bone anchoring element. The receiving part includes a first portion with a first end and a second end and a U-shaped recess for receiving the rod, the recess extending from the first end in the direction of the second end thereby forming two free legs and a second portion at the side of the second end opposite to the first end for accommodating the head, the second portion having a free end and being flexible so as to allow introduction and clamping of the head. The bone anchoring device also includes a locking ring embracing the second portion. The head is locked by means of exerting pressure with the rod onto the locking ring resulting in compression of the second portion of the receiving part and wherein the locking ring is mounted to the receiving part from the free end of the second portion. | 02-05-2009 |
20100042154 | FLEXIBLE STABILIZATION DEVICE INCLUDING A ROD AND TOOL FOR MANUFACTURING THE ROD - A flexible stabilization device for connecting at least two bone anchoring devices which are attached to vertebrae of the spinal column includes a flexible rod made of an elastomer material. The rod has a surface in which at least one recess is provided which is generated by separation of a portion of said elastomer material. | 02-18-2010 |
20100042155 | MODULAR SYSTEM FOR THE STABILIZATION OF THE SPINAL COLUMN - A modular system for stabilization the spinal column or other bones includes a first stabilization element, a second stabilization element to be connected to the first stabilization element, and an outer connection element to connect the first stabilization element to the second stabilization element. An end portion of the first stabilization element and an end portion of the second stabilization element each include a structure engaging with a corresponding structure provided in the outer connection element to establish a form-fit connection. | 02-18-2010 |
20100087863 | ROD-SHAPED IMPLANT IN PARTICULAR FOR STABILIZING THE SPINAL COLUMN AND STABILIZATION DEVICE INCLUDING SUCH A ROD-SHAPED IMPLANT - A rod-shaped implant for stabilizing bone structures, in particular the spinal column includes a rod-shaped implant having a rod-shaped member with a first end and a second and a longitudinal axis. The rod-shaped member is at least partly made from a plastic material exhibiting flexibility and includes a longitudinal bore. A reinforcing rod is accommodated in the bore and is made from a material which is more rigid than the material of the rod-shaped member itself. The reinforcing rod is slidable in the bore. | 04-08-2010 |
20100094348 | BONE ANCHORING ELEMENT AND STABILIZATION DEVICE FOR BONES, IN PARTICULAR FOR THE SPINAL COLUMN - A bone anchoring element includes an anchoring section for anchoring in the bone and a receiving part connected to the anchoring section. The receiving part includes an opening suitable for accommodation of a stabilization rod having a rod axis, the opening being limited along the rod axis by two side walls. The side walls include guides orientated along the rod axis for guiding at least one connection rod therethrough. | 04-15-2010 |
20100160975 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND A BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body including a rod receiving portion with a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible so as to allow introduction and clamping of the head, the head receiving portion having an exterior surface with a tapered portion; and a locking ring around the head receiving portion and including an interior surface with a curved portion configured to engage the tapered portion of the exterior surface of the head receiving portion to clamp the head. | 06-24-2010 |
20100160976 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND A BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for receiving a rod for coupling the rod to a bone anchoring element, the receiving part including: a receiving part body including a rod receiving portion with a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible for inserting and clamping of the head; a locking ring around the head receiving portion to exert a first force onto the head receiving portion to lock the head therein; and a pre-locking ring separate from the locking ring and around the head receiving portion to exert a second force less than the first force onto the head receiving portion to clamp the head in a temporary pre-locking position. | 06-24-2010 |
20100168800 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND A BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for coupling a rod to a bone anchoring element includes a receiving part body including a rod receiving portion having a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible for inserting and clamping of the head; and a locking ring around the head receiving portion, wherein in a pre-locking position, a spring portion on one of the locking ring or the receiving part body engages a corresponding portion on the other one of the locking ring or the receiving part body, and the locking ring exerts a first force onto the head receiving portion, and wherein in a locking position, the locking ring exerts a second force greater than the first force onto the head receiving portion to lock the head therein. | 07-01-2010 |
20100168801 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body including: a rod receiving portion with a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible for inserting and clamping of the head, and an exterior surface with a curved portion; and a locking ring around the head receiving portion, wherein the locking ring has an interior surface with a curved portion for engagement with the curved portion of the exterior surface of the head receiving portion for locking a position of the head relative to the head receiving portion. | 07-01-2010 |
20110276098 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT, BONE ANCHORING DEVICE, METHOD AND TOOL FOR ASSEMBLING THE SAME - A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body with a first end and a second end; a rod receiving portion with a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end at the second end of the receiving part body and being flexible so as to allow introduction and clamping of the head; and a locking ring configured to be positioned around the head receiving portion, wherein the locking ring can assume a first position with respect to the receiving part body in which the locking ring is latched to the receiving part body in a position where the head receiving portion is expandable to facilitate insertion of a head of a bone anchoring element, and wherein the locking ring can assume a second position with respect to the receiving part body in which the locking ring is latched to the receiving part body in a position where the locking ring compresses the head receiving portion, such that when a bone anchoring element has a head inserted in the head receiving portion, the bone anchoring element is held adjustably at a first angular position relative to the receiving part. A method for assembling a bone anchoring device includes inserting the head of the bone anchoring element into the receiving part body; and moving the locking ring and the receiving part body relative to each other until the locking ring assumes the second position with respect to the receiving part body. | 11-10-2011 |
20120124813 | METHOD AND TOOL FOR ASSEMBLING A BONE ANCHORING DEVICE - A method for assembling a bone anchoring device includes inserting a bone anchoring element in a first holder of a tool and inserting a receiving part in a second holder of the tool, actuating the tool from a first configuration towards a second configuration to insert a head of the bone anchoring element into the receiving part; continuing actuation of the tool towards the second configuration to move a locking ring and a receiving part body of the receiving part relative to each other until the locking ring assumes a second position with respect to the receiving part body in which the locking ring is latched to the receiving part body in a position where the locking ring compresses a portion of the receiving part body to compress the head, such that the head is held in and cannot be removed from the receiving part body and the bone anchoring element is held adjustably at a first angular position relative to the receiving part, and removing the attached bone anchoring element and receiving part from the tool. The tool is configured for the execution of the steps according to the method. | 05-24-2012 |
20120165874 | STABILIZATION DEVICE FOR STABILIZING VERTEBRAE OR BONE PARTS - A stabilization assembly for stabilizing a vertebra or other bone includes: at least two rods having different diameters; an anchoring element having a shaft and a head; a receiving part for interchangeably receiving any one of the rods to connect the rod to the anchoring element, the receiving part including a rod receiving portion with a channel for receiving the rod, and a head receiving portion having an open end and being flexible to allow introduction and clamping of the head; and a locking ring configured to be arranged around the head receiving portion and to clamp the head in the head receiving portion; wherein the locking ring includes a contact surface configured to contact any one of the at least two rods at at least two distinct contact areas that are spaced apart from one another in a circumferential direction of the rod. | 06-28-2012 |
20120172932 | BONE ANCHORING DEVICE - A bone anchoring device includes a bone anchoring element including a shaft and a head, a receiving part for coupling a rod to the bone anchoring element, the receiving part including a rod receiving portion having a channel with a bottom for receiving a rod, and a head receiving portion to allow introduction and clamping of the head, and a locking ring including at least one projection, wherein the rod receiving portion has at least one cutout, wherein when the head is not locked, the projection is configured to extend through the cutout and into the channel, and wherein a first engagement portion is provided on the locking ring for engaging a second engagement portion at an inner wall of the cutout to hold the locking ring in a first position where the head is pivotable in the head receiving portion but is prevented from removal therefrom. | 07-05-2012 |
20120283032 | INSERT FOR A TOOL FOR ASSEMBLING A BONE ANCHORING DEVICE AND TOOL FOR ASSEMBLING A BONE ANCHORING DEVICE - An insert for a tool for assembling a bone anchoring device including a bone anchoring element with a head and a shaft to be anchored in bone and a receiving part, the insert configured for insertion into a holder of the tool, the insert including an elongate body with a longitudinal axis, wherein a first recess configured to receive a shaft of a bone anchoring element extends on a surface of the elongate body along the longitudinal axis, has a first diameter, and is oriented towards a first radial direction relative to the longitudinal axis, wherein a second recess configured to receive a shaft of a bone anchoring element extends on a surface of the elongate body along the longitudinal axis, has a second diameter greater than the first diameter, and is oriented towards a second radial direction relative to the longitudinal axis different than the first radial direction. | 11-08-2012 |
20120283789 | BONE ANCHORING DEVICE - A bone anchoring device includes a bone anchoring element having a shaft and a head; and a receiving part for coupling a rod to the bone anchoring element. The receiving part includes a first portion with a U-shaped recess for receiving the rod, and a second portion for accommodating the head, the second portion having a free end and being flexible so as to allow introduction and clamping of the head. The bone anchoring device also includes a locking ring embracing the second portion. The head is locked by means of exerting pressure with the rod onto the locking ring resulting in compression of the second portion of the receiving part and wherein the locking ring is mounted to the receiving part from the free end of the second portion. | 11-08-2012 |
20130066375 | MODULAR SYSTEM FOR THE STABILIZATION OF THE SPINAL COLUMN - A modular system for stabilization the spinal column or other bones includes a first stabilization element, a second stabilization element to be connected to the first stabilization element, and an outer connection element to connect the first stabilization element to the second stabilization element. An end portion of the first stabilization element and an end portion of the second stabilization element each include a structure engaging with a corresponding structure provided in the outer connection element to establish a form-fit connection. | 03-14-2013 |
20130072980 | FLEXIBLE STABILIZATION DEVICE INCLUDING A ROD AND TOOL FOR MANUFACTURING THE ROD - A flexible stabilization device for connecting at least two bone anchoring devices which are attached to vertebrae of the spinal column includes a flexible rod made of an elastomer material. The rod has a surface in which at least one recess is provided which is generated by separation of a portion of said elastomer material. | 03-21-2013 |
20130085536 | BONE ANCHORING DEVICE AND TOOL COOPERATING WITH SUCH A BONE ANCHORING DEVICE - A bone anchoring device includes a receiving part including a rod receiving portion with a first end, a second end, and a U-shaped recess for receiving a rod, the recess defining two free legs, and a head receiving portion at the second end for introducing and clamping the head, and a locking ring configured to be arranged around the head receiving portion, the locking ring including an engagement structure for engagement with a tool, the engagement structure defining a width of the locking ring that is greater than a greatest width of the rod receiving portion, wherein the locking ring can assume a locking position exerting a greatest compressive force on the head receiving portion of the receiving part to lock an inserted head, and wherein the locking ring is movable out of the locking position towards the first end of the rod receiving portion. | 04-04-2013 |
20130096623 | POLYAXIAL BONE ANCHORING DEVICE WITH ENLARGED PIVOT ANGLE - A polyaxial bone anchoring device includes a bone anchoring element having a shank and a head, a receiving part including a rod receiving portion, and a head receiving portion having a first end and an open second end with a bounding edge, wherein the head receiving portion is configured to be rotatably connected to the rod receiving portion and is flexible for introduction and clamping of the head, and a locking ring configured to be mounted around the head receiving portion, wherein the head is insertable into the head receiving portion from the second end, is pivotable in the head receiving portion at a larger maximum pivot angle relative to the receiving part at a first location of the bounding edge, and can be locked at an angle relative to the receiving part by compressing the head receiving portion with the locking ring. | 04-18-2013 |
20130338716 | POLYAXIAL BONE ANCHORING DEVICE - A polyaxial bone anchoring device is provided comprising a bone anchoring element ( | 12-19-2013 |
20130338721 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND A BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body with a top end, a bottom end, a central axis, a channel for receiving a rod, and an accommodation space for accommodating a head of a bone anchoring element, the accommodation space having an opening at the bottom end for introduction of the head, and a single piece pressure element having a top end, a bottom end, and a flexible portion to clamp the head, wherein the flexible portion has a first slit extending partially around the central axis when the pressure element is in the receiving part body, and a second slit extending from the bottom end of the pressure element to the first slit. | 12-19-2013 |
20140012337 | POLYAXIAL BONE ANCHORING DEVICE - A polyaxial bone anchoring device includes an anchoring element having a shank and a head, a receiving part for receiving the head of the bone anchoring element and a rod, the receiving part including an upper member with a top end and a bottom end, a central axis extending through the top end and the bottom end, a head receiving portion with a passage at the bottom end for introducing the head, and a channel for receiving the rod at the top end, a lower member having a passage and being connectable to the upper member from the bottom end of the upper member, wherein at least one clamping member at or near the bottom end of the upper member is configured to reduce the diameter of the passage of the head receiving portion when the lower member is connected to the upper member to hold the head. | 01-09-2014 |
20140018859 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND A BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for coupling a rod to a bone anchoring element includes a receiving part body including a rod receiving portion having a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible for inserting and clamping of the head; and a locking ring around the head receiving portion, wherein in a pre-locking position, a spring portion on one of the locking ring or the receiving part body engages a corresponding portion on the other one of the locking ring or the receiving part body, and the locking ring exerts a first force onto the head receiving portion, and wherein in a locking position, the locking ring exerts a second force greater than the first force onto the head receiving portion to lock the head therein. | 01-16-2014 |
20140243899 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body including: a rod receiving portion with a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible for inserting and clamping of the head, and an exterior surface with a curved portion; and a locking ring around the head receiving portion, wherein the locking ring has an interior surface with a curved portion for engagement with the curved portion of the exterior surface of the head receiving portion for locking a position of the head relative to the head receiving portion. | 08-28-2014 |
20140296927 | RECEIVING PART FOR RECEIVING A ROD FOR COUPLING THE ROD TO A BONE ANCHORING ELEMENT AND A BONE ANCHORING DEVICE WITH SUCH A RECEIVING PART - A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body including a rod receiving portion with a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible so as to allow introduction and clamping of the head, the head receiving portion having an exterior surface with a tapered portion; and a locking ring around the head receiving portion and including an interior surface with a curved portion configured to engage the tapered portion of the exterior surface of the head receiving portion to clamp the head. | 10-02-2014 |
20150074977 | METHOD AND TOOL FOR ASSEMBLING A BONE ANCHORING DEVICE - A method for assembling a bone anchoring device includes inserting a bone anchoring element in a first holder of a tool and inserting a receiving part in a second holder of the tool, actuating the tool from a first configuration towards a second configuration to insert a head of the bone anchoring element into the receiving part; continuing actuation of the tool towards the second configuration to move a locking ring and a receiving part body of the receiving part relative to each other until the locking ring assumes a second position with respect to the receiving part body in which the locking ring is latched to the receiving part body in a position where the locking ring compresses a portion of the receiving part body to compress the head, such that the head is held in and cannot be removed from the receiving part body and the bone anchoring element is held adjustably at a first angular position relative to the receiving part, and removing the attached bone anchoring element and receiving part from the tool. The tool is configured for the execution of the steps according to the method. | 03-19-2015 |