STRYKER TRAUMA GMBH Patent applications |
Patent application number | Title | Published |
20150142003 | SYSTEM FOR HANDLING AN AUGMENTATION IMPLANT - A handling device for handling an augmentation implant is proposed, comprising an elongated housing having an axial through-bore for accommodating a sonotrode of an ultrasound applicator, and a lateral opening for inserting a pin magazine with an augmentation pin, wherein the axial through-bore and the lateral opening are connected to each other. The handling device further comprises a distal implant portion for fastening a proximal end of the augmentation implant at the housing, and a proximal tool portion for driving and/or augmenting the augmentation implant. | 05-21-2015 |
20150088135 | BONE POSITION TRACKING SYSTEM - A method of correcting a bone deformity includes fixing first and second support members to first and second fragments of a bone, respectively. The first support member may have a receiver connected thereto. First and second tracking devices are connected to the first and second bone fragments, respectively. A deformity correction plan is determined, and a position of the first support member is adjusted relative to the second support member based on the plan. Location data is transmitted from the first and second trackers to the receiver. Based on the tracker location data, a real position of the first and second bone fragments is determined. The real position of the first and second bone fragment is compared to the deformity correction plan, and the deformity correction plan is reprogrammed based on the comparison. The first and second support members may then be adjusted based on the reprogrammed deformity correction plan. | 03-26-2015 |
20150080893 | INTRAMEDULLARY NAIL LOCKING HOLE ARRANGEMENT - An intramedullary nail has a driving end portion and a non-driving end portion with a longitudinal axis. The non-driving end portion comprises a locking hole arrangement with a sequence of four holes, i.e. spaced from non-driving to driving end a first hole, a second hole, a third hole, and a fourth hole. The first hole and the fourth hole have a corresponding first orientation and the second hole and the third hole have a corresponding second orientation. | 03-19-2015 |
20140378973 | IMPLANT SYSTEM FOR BONE FIXATION - An implant system for fixation of bone includes an intramedullary nail, an extramedullary plate, and a bone fastener. The intramedullary nail has a connecting opening defining a first axis and a transverse opening defining a second axis and is configured to receive the bone fastener. The bone fastener is configured to penetrate a first through opening of the extramedullary plate and the transverse opening of the intramedullary nail. The implant system comprises a connecting fastener to fasten the extramedullary plate to the intramedullary nail by insertion through the second through opening of the extramedullary plate and the connecting opening of the intramedullary nail. The first axis is oblique with respect to a longitudinal axis of the intramedullary nail and parallel to the second axis of the transverse opening. Thus, the extramedullary plate can move parallel to the longitudinal axis of the bone fastener towards the intramedullary nail. | 12-25-2014 |
20140278325 | METHODS AND SYSTEMS FOR ADJUSTING AN EXTERNAL FIXATION FRAME - A tool for implementing a correction plan in an external fixation frame having a plurality of adjustment elements or screws, for example, generally includes a driver, a motor, a controller, and a processor. The driver is adapted to engage and rotate each of the screws. The motor is coupled the driver and adapted to rotate the driver. The controller is connected to the motor and configured to control operation of the motor. The a processor adapted configured to: receive correction plan data; receive identification data including information for identifying at least one of the plurality of screws; determine movement of at least one of the plurality of the screws based on the correction plan data and the identification data; and send signals indicative of the determined movement to the controller in order to rotate at least one of the plurality of screws according to a predetermined correction plan. | 09-18-2014 |
20140276828 | POLYAXIAL LOCKING HOLE ARRANGEMENT - An intramedullary nail according to the invention has a locking hole arrangement having one first opening on one side of the intramedullary nail and one second opening at an opposing side of the intramedullary nail. The locking hole arrangement has a first bore having a first bore axis and a second bore having a second bore axis. The first bore and the second bore each having a first orifice on one side of the intramedullary nail and each having a second orifice at an opposite side of the intramedullary nail. The first bore axis and the second bore axis are inclined with respect to each other and the first bore and the second bore intersect each other within the intramedullary nail. | 09-18-2014 |
20140236153 | SOFTWARE FOR USE WITH DEFORMITY CORRECTION - The present disclosure relates to software used in planning the correction of bone deformities preoperatively or postoperatively, and in particular relates to virtually manipulating rings and struts of an external fixation frame in order to plan the steps for making a desired correction to two or more bone portions of a patient. The software can be used prior to surgery, allowing a user to virtually define a bone deformity, and virtually add and manipulate fixation rings and struts to the bone deformity. Based on the virtual manipulations, a correction plan can be generated that describes length adjustments that should be made to the plurality of model struts over a period of time to correct the bone deformity. The software can also be used after surgical fixation of the fixation frame and struts to the deformed bone. | 08-21-2014 |
20140214098 | MODULAR LAG SCREW - An elongated modular implant is provided which has a distal part and a proximal part both having a leading end and a trailing end, respectively. The trailing end of the distal part includes a tool engagement portion and the leading end of the proximal part includes a distal part engagement portion for an engagement with the tool engagement portion of the distal part. The implant further includes an assembly element for firmly coupling the distal part and the proximal part when the first tool engagement portion of the distal part engages the distal part engagement portion of the proximal part. The proximal part trailing end may also have a tool engagement portion identical to the trailing end of the distal part. | 07-31-2014 |
20140214094 | ANGULARLY STABLE FIXATION OF AN IMPLANT - A system and method of angularly stable fixation of an implant on a bone includes the steps of making at least one hole in the bone by means of a bone drill. An implant is placed on the bone in a desired position and joining the implant with the bone, such that the implant is prevented from rotation about its attachment point. A system is provided for use in the above described method. The system comprises a bone drill, an implant and a sonotrode for angularly stable fixation of the implant on the bone. The system can further comprise a joining element to join the implant with the bone. | 07-31-2014 |
20140214035 | BONE NAIL WITH SMOOTH TRAILING END - A bone nail has a shaft with a leading section and a trailing section, wherein the trailing section includes an end surface having at least one depressed portion and at least one elevated portion. The transition between one of the depressed portions and the adjacent elevated portion is smooth. The end surface is formed so as to transmit rotational forces as well as translational forces from a medical device to the shaft of the bone nail, when the medical device is coupled at the end surface to the trailing section of the bone nail. | 07-31-2014 |
20140163571 | DISTAL TARGETING DEVICE - A targeting device for targeting a cross bore in a bone nail has an arm member coupled to an end portion of the bone nail and an aiming portion forming part of the arm member extending parallel to a longitudinal axis of the bone nail. An adjustable aiming device is mounted on the aiming portion, the adjustable device having a guide bore alignable with the cross bore in the nail. The adjustable device is moveable with respect to the aiming portion in a direction perpendicular to a plane containing both the nail longitudinal axis and central axis of the cross bore. A target indicator is mounted on the adjustable aiming device. The target indicator has a radiolucent body including first and second spaced parallel planar portions each having a spaced radiopaque element therein. | 06-12-2014 |
20140155900 | REAMING DEVICE WITH CARBON FIBER SHAFT AND MOLDED INTERFACE ELEMENT - A reaming device comprising a shaft with a mounting portion, the mounting portion having an outer surface; a carbon fiber layer located on the mounting portion outer surface; an injection molded interface element for mechanical coupling of an external device molded on the carbon fiber layer, the interface element having a mounting portion; wherein the carbon fiber layer extends over the outer surface of the shaft mounting portion and having an outer surface, wherein the carbon fiber layer outer surface has a non-smooth surface structure; wherein the injection molded interface element mounting portion is injection molded over the carbon fiber layer surface structure The method according to claim | 06-05-2014 |
20140148861 | HIP FRACTURE DEVICE WITH STATIC LOCKING MECHANISM ALLOWING COMPRESSION - In one embodiment, the present invention is a method of fusing fractures of a femoral neck using a bone plate including the steps of: placing a bone plate on the femur; inserting an assembly of a bone screw and a locking ring in an opening in the plate; simultaneously threading the locking ring and the bone screw in the femur; threading the bone screw in the femur to compress the fracture; creating a space between the locking ring and the bone screw; and allowing the bone screw to move towards the locking ring when the femur is loaded. In another embodiment, the present invention is a bone plating system including a bone plate having a plurality of openings; at least one bone screw capable of being received through the opening and into a bone; at least one end cap fixedly insertable in the opening; and a layer of polymeric material interposed between the end cap and the top of the head. | 05-29-2014 |
20140114362 | SONIC SCREW - A screw for fixation of, for example, a fracture having a hollow shaft, a first outer thread and radial openings at its distal end, and a second outer thread and an inner engagement portion at its proximal end. The second outer thread is adapted to engage with a tissue protection sleeve. The inner engagement portion is adapted to fit to a driving end of a driving tool. By way of this, forces in axial or radial direction may be applied to the screw by the sleeve, and forces in rotational direction may be applied by the driving tool. Therefore, the screw can be installed accurately at the intended site in an object. | 04-24-2014 |
20140094802 | INTRAMEDULLARY NAIL AND IMPLANT SYSTEM COMPRISING THE NAIL - An intramedullary nail has a posterior side, an anterior side, a proximal portion and a distal portion is described. A transverse bore is arranged in the proximal portion and is configured to receive a bone engagement member. The transverse bore includes at least two recesses formed at an inner wall of the transverse bore, wherein one recess is arranged on the posterior side and the other recess is arranged on the anterior side of the transverse bore of the intramedullary nail. | 04-03-2014 |
20140088595 | IMPLANT SYSTEM FOR BONE FIXATION - An implant system for use in orthopaedic surgery for fixation of bone includes an intramedullary nail and a coupling unit. The intramedullary nail has a proximal portion defining a longitudinal axis and a transverse bore. The proximal portion includes a bore defining a first axis and a guiding structure defining a second axis, wherein the first axis and the second axis are substantially parallel to the longitudinal axis of the proximal portion of the intramedullary nail and are spaced apart from each other. The coupling unit is movably arranged within the proximal portion and includes a substantially cylindrical pin and a drive member with a through hole. The guiding structure is configured to slidably receive the substantially cylindrical pin, such that the pin can engage within a groove of a bone fastener configured to penetrate the transverse bore of the intramedullary nail. | 03-27-2014 |
20140079303 | SYSTEMS AND METHODS FOR AUTOMATIC DETECTION AND TESTING OF IMAGES FOR CLINICAL RELEVANCE - Disclosed herein are systems and methods for automatic detection of clinical relevance of images of an anatomical situation. The method includes comparing a first image and a second image and determining whether a difference between the first and second images is at least one of a local type difference and a global type difference. The local type difference is a local difference of the first image and the second image and the global type difference is a global difference between the first image and the second image. The second image is determined as having a clinical relevance if it is determined that the difference between the first image and the second image comprises a local type difference. | 03-20-2014 |
20140058392 | IMPLANT SYSTEM FOR BONE FIXATION - An implant system for use in orthopaedic surgery for fixation of bone includes an intramedullary nail and a coupling unit. The intramedullary nail has a medial side, a lateral side and a proximal portion defining a longitudinal axis. The proximal portion includes a bore defining a first axis substantially parallel to the longitudinal axis of the proximal portion and a transverse bore configured to receive a bone fastener. The coupling unit is movably arranged within the bore of the proximal portion and includes one or more bone fastener engagement members at one or both of the lateral side and the medial side of the intramedullary nail. | 02-27-2014 |
20140052138 | BONE SCREW AND WASHER INSERTION TOOL - The insertion tool and pusher system of the present invention includes a bone screw having a head and a shaft. An annular washer is adapted to be mounted on the bone screw shaft. An insertion tool having a longitudinally extending shaft with an axial bore therethrough is provided for receiving the bone screw. The shaft has a first end with a washer retention surface surrounding the insertion tool cannulated shaft bore. The washer is held on the retention surface which positions the washer to receive the bone screw shaft. Pin-like spring elements are used to hold the washer in position. A plate is mounted on an outer surface at the first end of the inserter shaft, the plate having a bone contacting surface. | 02-20-2014 |
20140012271 | POLYMERIC BONE FOAM COMPOSITION AND METHOD - Biomaterials, in particular bone foams, a process for preparing such materials as well as an applicator for applying the biomaterials directly to the patient's application site, and the use of a composition comprising water, a surfactant and a propellant in the preparation of a bone foam for the preparation of a calcium phosphate foam wherein the foam is obtainable by the mixture of at least two phases, a first phase comprising water and optionally a propellant, a second phase comprising one or more sources for calcium and/or phosphate, and wherein the foaming is performed during the mixture of the at least two phases to provide an improved calcium phosphate foam, process for the preparation of a calcium phosphate foam, use of a composition, solid state structure, calcium phosphate cement foam and bone foam applicator. | 01-09-2014 |
20130345764 | DEVICE FOR FIXATION OF BONE FRACTURES - A device and method for fixation of bone fractures has a bone screw comprising a shank with a threaded end portion, on the outer surface. The screw has a through bore with two bore portions differing in diameter. A step in the diameter is formed between these bore portions and is located within the end of the screw having the thread. This step in diameter can support a metal insert which in turn supports a polymer pin when the latter if pressurized with a sonotrode in the bone screw. Together with an applied ultrasonic vibration the pressure fluidizes the polymer pin and presses the material through holes configured in the wall of the bone screw and into surrounding bone. | 12-26-2013 |
20130325010 | BONE FASTENER AND METHOD OF MANUFACTURING THE SAME - A bone fastener for use in orthopaedic surgery for anchoring an intramedullary nail to bone has a shaft with a front region and a rear region adjacent to the front region. The rear region has one or more explantation grooves helically arranged for facilitating the explantation of the bone fastener. Two axially spaced apart grooves or groove sections are separated by a flat shaft portion defining an outside diameter of the rear region, wherein the rear region has a core diameter greater than a core diameter of the front region. | 12-05-2013 |
20130317512 | DEVICES AND METHODS FOR MONITORING THE ROTATIONAL ORIENTATION OF BONE FRAGMENTS - Device and a method for positioning and monitoring the rotary orientation of extremity bone fragments when implanting an intramedullary implant, and in particular to a device and a method for monitoring the rotary orientation of extremity bone fragments of the leg when implanting an intramedullary nail by using a monitoring of locking means of the intramedullary nail which so as to improve the accuracy of the orientation of extremity bone fragments. | 11-28-2013 |
20130314440 | VIRTUAL 3D OVERLAY AS REDUCTION AID FOR COMPLEX FRACTURES - A method and device for assisting reduction for complex fractures includes the steps of receiving an x-ray image of a fractured bone having a plurality of bone fragments, identifying structural aspects of at least one of the bone fragments, adapting a virtual bone model to the imaged bone based on the identified structural aspects, and generating an overlay of the virtual bone model onto the x-ray image, with the virtual bone model aligned to the identified structural aspects. The device is adapted to perform the method. | 11-28-2013 |
20130304135 | SYSTEM FOR INSERTING A PIN INTO A SCREW - System for inserting an augmentation pin into an augmentation screw, comprising a pin inserter with an axial through-bore and a lateral opening, a pin-magazine with a pin-retainer for an augmentation pin, wherein the pin-magazine may be placed in the lateral opening of the pin-inserter and an augmentation pin in the pin-retainer may be aligned with the axial through-bore. The augmentation pin may be pushed by means of a pusher from the pin-magazine into an augmentation screw, when the augmentation screw is arranged in front of the pin-inserter. | 11-14-2013 |
20130289575 | MEASUREMENT DEVICE FOR EXTERNAL FIXATION FRAME - A protractor for use with an external fixation frame is provided. The protractor may include a face having angle designations thereon and a set of opposed and extending flanges projecting from said face. The flanges may connect to a portion of an external fixation frame, such as a ring (or other component) of the frame. The face may also include a post member to which a rotatable dial is mounted. An elongate member may be pivotally connected to a portion of the post member and may include a clamp. The clamp may be used to connect to an alternate portion of an external fixation frame, such as a strut of the frame. Thus, the protractor may be connected to two points on an external fixation frame so as to measure the angle between such points. Related methods of using the aforementioned protractor are also disclosed. | 10-31-2013 |
20130231610 | ENCAPSULATED SCREW LOCKING SYSTEM - The present invention discloses a system for securing at least one fastener to an implant. At least one adhesive capsule is inserted in a recess preferably located along a longitudinal axis of the implant. The at least one adhesive capsule may be inserted in the recess and held in place therein by a holder. A plurality of adhesive capsules and holders may be inserted in one or more recesses located substantially along the longitudinal axis of the implant. The at least one adhesive capsule preferably has a casing housing an adhesive material configured to be pierced by the at least one fastener to secure the at least one fastener to an aperture of the implant. The casing of the adhesive capsule may form an annular passageway to receive a guide wire for aiding the insertion of the capsule in an implant having a longitudinal bore along at least a portion thereof. | 09-05-2013 |
20130225948 | HYBRID ELECTROMAGNETIC-ACOUSTIC DISTAL TARGETING SYSTEM - A surgical targeting system of an intramedullary nail, which includes an extracorporeally arranged external transmitting unit. Further included is a plurality of first transponder units coupled with and arrayed along the length of the intramedullary nail, each adapted to be actuated by the external transmitting unit. Additionally, a plurality of holes are disposed within and arrayed along the length of the intramedullary nail. Each of the plurality of holes are situated between each of the plurality of first transponder units. Further, a first transmission section is between the external transmitting unit and each of the plurality of first transponder units via which the plurality of first transponder units are actuated. Additionally included is a second transmission section through the intramedullary nail between the plurality of first transponder units and a second transponder unit. | 08-29-2013 |
20130211386 | SURGICAL TARGETING SYSTEM AND METHOD - A targeting system is used for positioning of a medical sub device with respect to a medical device. A reference body is reproducibly positioned with respect to a targeting device coupling section and reproducibly positioned with respect to a targeting unit. The targeting unit has a targeting direction and is adjustable with respect to the targeting device so that the targeting direction points toward a medical sub device receptacle of the medical device coupled to the targeting device coupling section. The imaging system is positionable with respect to the targeting device such that the imaging system is capable of imaging a single two-dimensional view of the reference body and the medical sub device receptacle. The evaluation unit generates position data of the single two-dimensional view and to determine from the position data a lateral distance between the targeting direction and a receiving direction of the medical sub device receptacle. | 08-15-2013 |
20130190570 | GUIDE SLEEVE FOR SUPRAPATELLAR SURGERY - A tissue protection sleeve for use in suprapatellar surgery is provided. The sleeve has a first end, a second end, an inner surface and an outer surface. The sleeve further comprises at least two open grooves that extend along the inner surface from the first end to the second end. The grooves are adapted to accommodate elongated fixation elements inserted into a tibia. A drill guide sleeve and a trocar for inserting a guide wire are also provided and can be accommodated by the tissue protection sleeve. | 07-25-2013 |
20130190569 | SURGICAL INSTRUMENT FOR POSITIONING A SLEEVE - A surgical instrument for positioning a sleeve is presented. The surgical instrument comprises a shaft, a handle connected to one end of the shaft, a sleeve holder connected to the opposite end of the shaft and defining a space in which the sleeve is to be positioned. The surgical instrument further comprises a locking element adapted to protrude into the space for engagement of the sleeve and a magnet adapted to force the locking element into the space by a magnetic force. | 07-25-2013 |
20130144299 | METHOD AND DEVICE FOR PRODUCING AN ANCHORAGE IN HUMAN OR ANIMAL TISSUE - An anchorage in tissue is produced by holding a vibrating element and a counter element against each other such that their contact faces are in contact with each other, wherein at least one of the contact faces includes a thermoplastic material which is liquefiable by mechanical vibration. While holding and then moving the two elements against each other, the vibrating element is vibrated and due to the vibration the thermoplastic material is liquefied between the contact faces, and due to the relative movement is made to flow from between the contact faces and to penetrate tissue located adjacent to outer edges of the contact faces. For liquefaction of the thermoplastic material and for displacing it from between the contact faces, no force needs to act on the tissue surface which is to be penetrated by the liquefied material. | 06-06-2013 |
20130119001 | SURGICAL SCREW RACK - A rack for holding at least one surgical screw is described. The rack comprises a body in which at least one bore is provided and at least two support elements surrounding the bore. The support elements protrude from a first level defined on or in the body and are configured to support the screw head on a second level above the first level. The support elements are spaced apart from each other to define spaces therebetween for enabling fluid communication between the surface and the bore. Further, a system is described comprising the above mentioned rack and one or more surgical screws accommodated in the rack. | 05-16-2013 |
20130118323 | SCREWDRIVER FOR AN INNER PROFILE SCREW - A screw driver for a screw having a drive socket having an axially extending shaft with a bifurcated tip, the tip having a cross-sectional profile for insertion into a cross-sectional profile of the screw socket. The shaft has a tapered section adjacent the bifurcated tip. A bushing is mounted on an outer surface of the shaft for axial movement therealong. The bushing has inwardly extending protrusions for engaging the tapered section on the shaft upon movement in the axial direction along the shaft in a direction away from the tip. This allows the selective capture or release of the screw by the shaft tip by axial movement of the bushing away from and towards the shaft distal tip. | 05-16-2013 |
20130110111 | INTRAMEDULLARY NAIL LOCKING HOLE ARRANGEMENT | 05-02-2013 |
20130072931 | METHOD FOR TIBIAL NAIL INSERTION - A method for implanting a longitudinal intramedullary nail into the tibia comprises inserting the tibia nail along a plane of symmetry through the tuberositas tibiae. Thereby, the tuberositas tibiae can be used during nail insertion to correctly align the nail and the target arm to the symmetry plane of the bone. This means, that the whole construct, the nail attached to the target arm, has to be inserted in external rotation. | 03-21-2013 |
20130012943 | IMPLANT FOR OSTEOSYNTHESIS - An implant for osteosynthesis, for example a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is smaller than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore. | 01-10-2013 |
20120330312 | METHODS AND SYSTEMS FOR ADJUSTING AN EXTERNAL FIXATION FRAME - A tool for implementing a correction plan in an external fixation frame having a plurality of adjustment elements or screws, for example, generally includes a driver, a motor, a controller, and a processor. The driver is adapted to engage and rotate each of the screws. The motor is coupled the driver and adapted to rotate the driver. The controller is connected to the motor and configured to control operation of the motor. The a processor adapted configured to: receive correction plan data; receive identification data including information for identifying at least one of the plurality of screws; determine movement of at least one of the plurality of the screws based on the correction plan data and the identification data; and send signals indicative of the determined movement to the controller in order to rotate at least one of the plurality of screws according to a predetermined correction plan. | 12-27-2012 |
20120277802 | DEVICE FOR CREATING A BONE IMPLANT - An osteonsynthesis implant has a plate-shaped base component having at least one hole, at least one axially extending rod-shaped tie rod having a first and a second end and at least one threaded component. The first end of the rod-shaped tie rod can be placed in the hole of the base component. The hole and the first end of the tie rod are formed such that the first end of the tie rod can be locked axially in the hole and is pivoted about an axis of the hole while locked to the plate. The second end of the tie rod is provided with a thread and the threaded component can be screwed onto the thread of the first tie rod. The tie rod can perform a pivoting movement of up to about 20° around the hole axis while locked in the plate hole. | 11-01-2012 |
20120143261 | SYSTEM FOR INSERTING A PIN INTO A SCREW - A system for inserting an augmentation pin into an augmentation screw, including a pin-inserter with an axial through-bore and a lateral opening. A pin-magazine with a pin-retainer for an augmentation pin in insertable in the lateral opening. The pin-magazine is placed in the lateral opening of the pin-inserter and an augmentation pin in the pin-retainer is aligned with the axial through-bore. The augmentation pin may be pushed by means of a pusher from the pin-magazine into an augmentation screw, when the augmentation screw is arranged in front of the pin-inserter. | 06-07-2012 |
20120071875 | HYBRID BONE PLATE - A hybrid bone plate has a first plate portion, having a first top surface and a first bottom surface and comprises a hard titanium alloy. A second plate portion has a second top surface and a second bottom surface and comprises a pure titanium or a soft titanium alloy. The first plate portion has a higher material yield strength than the second plate portion. The first plate portion and the second plate portion are connected to each other at a transition region by for example welding wherein in the transition region the first top surface and the second top surface together form a closed top integral surface and the first bottom surface and the second bottom surface together form a closed bottom integral surface. | 03-22-2012 |
20120035483 | ULTRASONIC HANDPIECE - An ultrasonic handpiece is used for augmenting a bone screw. The handpieces comprise a housing, an ultrasonic converter shiftingly accommodated in the housing, and a sonotrode connected to one end of the ultrasonic converter. The sonotrode protrudes from the housing into the bone screw. An adjuster wheel is adjustably connected to the housing. A spring is provided the ends of which are supported by the ultrasonic converter and the adjuster wheel, respectively. The ultrasonic converter is preloaded in the direction away from the adjuster wheel by setting the adjuster wheel, thereby the sonotrode is urged with a selected force into the bone screw and the augmentation material is pressed out of the bone screw and into the bone. | 02-09-2012 |
20120022601 | APPARATUS FOR BRACING VERTEBRAE - An apparatus for bracing a plurality of vertebrae of the human spine has at least two pedicle screws, each having an annular head with an opening therewithin and including a slot therewithin. Each slot extends into the corresponding opening and includes internal threaded portions. A securing screw to be screwed in each slot is provided. A relatively stiff threaded rod is also provided and is to be inserted into the opening in the head of each of the pedicle screws and to be secured by the securing screws. Adjusting nuts are screwed on the rod and at least one cooperates with each head. | 01-26-2012 |
20120010621 | REAMING DEVICE - A bone reamer has an ablation device for forming cavities in body tissue, the ablation device is movable with respect to a head of the reamer, and is capable of protruding at least partially beyond a surface of the head. The amount of protrusion the ablation device protrudes beyond the surface of the head has a variable geometry and the geometry is remotely modifiable. More particularly, the amount the ablation device extends beyond the outer surface of a reamer head body can be varied by an actuator located on the reamer outside the body. | 01-12-2012 |
20110251600 | ULTRASONIC APPLICATOR - An ultrasonic applicator includes an ultrasonic converter accommodated within a converter housing, a first housing, and a second housing. A rear end portion of the first housing is located in the second housing and an inner end portion of the converter housing is located in the rear end portion of the first housing. A length of the rear end portion of the first housing is adjustable. An outer end portion of the converter housing is connected with the second housing via an elastic element, so that a restoring force may be applied on the converter housing by virtue of a movement of the converter housing relative to the second housing. | 10-13-2011 |
20110245832 | WRAPPED CONNECTION BETWEEN CARBON FIBER SHAFT AND METAL PART - A reamer has a flexible carbon fiber composite shaft coupled to an interface element by wrapping a carbon fiber material so as to provide a reliable connection between the shaft and the interface element while maintaining flexibility of the shaft. The reaming device shaft has a mounting portion, the mounting portion having an end face and an outer surface. An interface element for mechanical coupling of an external device is provided and comprises a mounting portion, the mounting portion having an end face and an outer surface. The end face of the shaft mounting portion and the end face of the interface element mounting portion are facing towards each other and a carbon fiber wrapping is provided extending over both the outer surface of the shaft mounting portion and the outer surface of the interface element mounting portion | 10-06-2011 |
20110245831 | REAMING DEVICE WITH CARBON FIBER SHAFT AND MOLDED INTERFACE ELEMENT - A reaming device comprising a shaft with a mounting portion, the mounting portion having an outer surface; a carbon fiber layer located on the mounting portion outer surface; an injection molded interface element for mechanical coupling of an external device molded on the carbon fiber layer, the interface element having a mounting portion; wherein the carbon fiber layer extends over the outer surface of the shaft mounting portion and having an outer surface, wherein the carbon fiber layer outer surface has a non-smooth surface structure; wherein the injection molded interface element mounting portion is injection molded over the carbon fiber layer surface structure The method according to claim | 10-06-2011 |
20110224739 | IMPLANTATION PIN KIT AND METHOD FOR IMPLANTING AN IMPLANTATION PIN - An implantation pin kit and a method for implanting an implantation pin includes a cannulated implantation pin having a channel and a heating device. The channel of the pin extends in a longitudinal direction of the pin and connects a proximal opening at a proximal end of the pin with a distal opening at a distal end of the pin. The channel of the pin and the heating device are adapted such that the heating device can be accommodated within at least a portion of the channel of the pin. The heating device is adapted to thermally heat material comprised in at least one of the pin and the heating device. Thereby, meltable material of the pin can be liquefied or additional liquefied meltable material can be inserted into the pin and the liquefied material can then be push towards and out of the distal opening in order to augment and fix the implantation pin in a target structure. | 09-15-2011 |
20110213379 | COMPUTER ASSISTED SURGERY SYSTEM - A computer assisted surgery system and a method for operating a computer assisted surgery system is described therein. The system and method includes providing a virtual representation of a medical device to provide an easier application of a medical device, such as an implant or the like. The described system and method allows for simple and fast positioning of a medical device to be applied, such as an implant, for example. | 09-01-2011 |
20110172632 | METHOD OF DELIVERING A BIPHOSPHONATE AND/OR STRONTIUM RANELATE BELOW THE SURFACE OF A BONE - A method for delivering a bisphosphonate and/or strontium ranelate below the surface of a bone using a mechanical force. The method includes the steps of combining a bisphosphonate and/or strontium ranelate with a carrier to form a delivery composition and delivering an effective amount of the delivery composition below the surface of the bone with a mechanical force. Also provided is a method for strengthening a portion of a bone. This method includes the step of delivering an effective amount of a bisphosphonate and/or strontium ranelate below the surface of a portion of a bone with a mechanical force. | 07-14-2011 |
20110152863 | ENCAPSULATED SCREW LOCKING SYSTEM - The present invention discloses a system for securing at least one elongate fastener to an implant. At least one adhesive capsule is inserted in a recess preferably located along a longitudinal axis of the implant. The at least one adhesive capsule may be inserted in the recess and held in place therein by a holder. A plurality of adhesive capsules and holders may be inserted in one or more recesses located substantially along the longitudinal axis of the implant. The at least one adhesive capsule preferably has a casing housing an adhesive material configured to be pierced by the at least one fastener to secure the at least one fastener to an aperture of the implant. The casing of the adhesive capsule may form an annular passageway to receive a guide wire for aiding the insertion of the capsule in an implant having a longitudinal bore along at least a portion thereof. | 06-23-2011 |
20110150962 | THERAPEUTIC AGENT CAPSULE FOR IMPLANTS - The present invention discloses a system for releasing one or more therapeutic agents contained within a capsule onto or into an implant. At least one capsule is inserted in a recess preferably located along a longitudinal axis of the implant. The at least one adhesive capsule may be inserted in the recess and held in place therein by a holder. A plurality of adhesive capsules and holders may be inserted in one or more recesses located substantially along the longitudinal axis of the implant. The at least one capsule preferably has a casing housing one or more therapeutic agents, wherein the capsule is configured to be pierced by the at least one fastener to release the one or more therapeutic agents. The casing of the capsule may form an annular passageway to receive a guide wire for aiding the insertion of the capsule in an implant having a longitudinal bore along at least a portion thereof. | 06-23-2011 |
20110078887 | METHOD FOR COUPLING AN INTRAMEDULLARY NAIL AND ASSOCIATED INSTRUMENTS - A method of connecting an intramedullary nail and a targeting and/or nailing instrument includes engaging a coupling element which has an axially parallel projection with an axially parallel recess on the hollow connection end of the nail. The engagement of the projection and recess fastens the nail under axial engagement on the connection end of the instrument in predefined rotational position on the instrument. A quick-fastener element engages in the connection end of the nail and has a first coupling element and the connection end of the nail has a second coupling element. The coupling elements are configured so that in a first rotational position relative to the axially parallel projection the instrument can be introduced into the connection end of the nail and in a second rotational position the coupling elements cooperate so that the nail is held axially fixedly on the instrument. | 04-07-2011 |
20100326835 | ANTIMICROBIAL PROVISION OF TITANIUM AND TITANIUM ALLOYS WITH SILVER - A method for the antimicrobial provision of implant surfaces with silver, in which the method comprises an anodizing of the implant surface with an electrolyte, in which the electrolyte has a silver-yielding substance. Alternatively, the method comprises a silver implantation or a silver PVD deposition. | 12-30-2010 |
20100305714 | SYNTHETIC BONE SUBSTITUTE, METHOD FOR PREPARING SAME AND METHOD FOR FILING A CAVITY IN A SUBSTRATE - A synthetic bone substitute has a porous foam structure comprising a bio-resorbable polymer and a bio-ceramic filler material. A plasticizer is used for softening the porous foam structure such that the synthetic bone substitute may be compressed by an external force. Due to its elasticity, the synthetic bone substitute may restore its original form after releasing the external force. Furthermore, due to dissipation of the plasticizer, the porous foam structure can attain substantial rigidity thereby functioning as lightweight, stable bone substitute. Such a compressible bone substitute can be compressed, then inserted through a small opening hole to a cavity and once in a cavity restore its original volume and rigidity. | 12-02-2010 |
20100239380 | CARBON SHAFTED REAMING DEVICE - A carbon shafted reaming device includes a rod element, an interface element and a connecting agent. The rod element comprises a first connecting portion having a carbon fiber reinforced structure, wherein the interface element comprises a second connecting portion. The first connecting portion and the second connecting portion are concentrically arranged to each other, and wherein the connecting agent is interposed between the first connecting portion and the second connecting portion. Either of the rod element and the interface element may be coupled to a reaming tool or a drive. | 09-23-2010 |
20100211111 | Angularly Stable Fixation Of An Implant - A system and method of angularly stable fixation of an implant on a bone includes the steps of making at least one hole in the bone by means of a bone drill. An implant is placed on the bone in a desired position and joining the implant with the bone, such that the implant is prevented from rotation about its attachment point. A system is provided for use in the above described method. The system comprises a bone drill, an implant and a sonotrode for angularly stable fixation of the implant on the bone. The system can further comprise a joining element to join the implant with the bone. | 08-19-2010 |
20100211078 | Kirschner wire clamp - A Kirschner wire clamp is used to reliably and simply fix bone plates to a bone surface. The wire clamp consists of a tubular guide member for receiving a Kirschner wire. The guide member has a bore surrounded by a wall and a base for engaging a hole in a bone plate such as a bone screw hole. A spring clamp is mounted adjacent an open end of the tubular guide bore opposite the base which clamps the Kirschner wire to the guide member after the wire has been fixed in bone. The Kirschner wire clamp can be aligned simply and reliably by the guide member, and by the clamping mechanism, can be reliably fixed to the Kirschner wire. | 08-19-2010 |
20100198264 | APPARATUS FOR BRACING VERTEBRAE - An apparatus for bracing a plurality of vertebrae of the human spine has at least two pedicle screws, each having an annular head with an opening therewithin and including a slot therewithin. Each slot extends into the corresponding opening and includes internal threaded portions. A securing screw to be screwed in each slot is provided. A relatively stiff threaded rod is also provided and is to be inserted into the opening in the head of each of the pedicle screws and to be secured by the securing screws. Adjusting nuts are screwed on the rod and at least one cooperates with each head. | 08-05-2010 |
20100191240 | IMPLANT FOR OSTEOSYNTHESIS - An implant for osteosynthesis, for example a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is smaller than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore. | 07-29-2010 |
20100036441 | IMPLANTATION DEVICE, METHOD FOR PRODUCING AND FOR APPLYING THE SAME - An implantation device for fixating a bone has a main body. The main body has a peripheral region and comprises a polymeric material. The peripheral region comprises the polymeric material and a plasticizer. In particular, the peripheral region may be adapted to be fixed to a bone. A method for producing the implantation device includes the steps of forming an implantation device using polymer material, and dipping at least a portion of the implantation device into a plasticizer in such a way that a peripheral region of the implantation device is plasticized. | 02-11-2010 |
20090318584 | Adhesive for Medical Applications and Means for Haemostasis - The invention relates to a kit comprising the following individual components: (a) polymers comprising at least one free amino group, (b) bridge molecules selected from the group consisting of monocyclic ortho-dihydroxyaromates, mono-cyclic para-dihydroxyaromates, bicyclic monohydrxyaromates, polycyclic monohydroxyaromates, bicyclic dihydroxyaromates, polycyclic dihydroxyaromates, bicyclic trihydroxyaromates, polycyclic trihydroxyaromates, and mixtures thereof, and (c) polyphenoloxidases, in particular, lignolytic polyphenoloxidases, whereby the individual components b) and c) are not in contact. | 12-24-2009 |
20090216242 | Kirschner wire clamp - A Kirschner wire clamp is used to reliably and simply fix bone plates to a bone surface. The wire clamp consists of a tubular guide member for receiving a Kirschner wire. The guide member has a bore surrounded by a wall and a base for engaging a hole in a bone plate such as a bone screw hole. A spring clamp is mounted adjacent an open end of the tubular guide bore opposite the base which clamps the Kirschner wire to the guide member after the wire has been fixed in bone. The Kirschner wire clamp can be aligned simply and reliably by the guide member, and by the clamping mechanism, can be reliably fixed to the Kirschner wire. | 08-27-2009 |
20090211412 | Screwdriver for an Inner Profile Screw - A screw driver for a screw having a drive socket having an axially extending shaft with a bifurcated tip, the tip having a cross-sectional profile for insertion into a cross-sectional profile of the screw socket. The shaft has a tapered section adjacent the bifurcated tip. A bushing is mounted on an outer surface of the shaft for axial movement therealong. The bushing has inwardly extending protrusions for engaging the tapered section on the shaft upon movement in the axial direction along the shaft in a direction. away from the tip. This allows the selective capture or release of the screw by the shaft tip by axial movement of the bushing away from and towards the shaft distal tip. | 08-27-2009 |
20090138051 | Device for creating a bone implant - An osteonsynthesis implant has a plate-shaped base component having at least one hole, at least one axially extending rod-shaped tie rod having a first and a second end and at least one threaded component. The first end of the rod-shaped tie rod can be placed in the hole of the base component. The hole and the first end of the tie rod are formed such that the first end of the tie rod can be locked axially in the hole and is pivoted about an axis of the hole while locked to the plate. The second end of the tie rod is provided with a thread and the threaded component can be screwed onto the thread of the first tie rod. The tie rod can perform a pivoting movement of up to about 20 ° around the hole axis while locked in the plate hole. | 05-28-2009 |
20090105717 | Cam-locking of cable for fracture plate - A bone plate mounted on a bone. The bone plate has at least one opening for receiving a flush mounted cam. A through-bore passes from a side surface to opposing side surface of the bone plate. The through-bore has a diameter sized to allow insertion of a cable. A portion of the through-bore intersects with a peripheral portion of the opening. A second opening also passes from the side surface to opposing side surface. A cable may be inserted in the second opening, wrapped around the bone and its free end inserted in the through-bore. The cable may be tightened around the bone. The flush mounted cam can be rotated in place. Rotation of the cam results in the cam surface squeezing the cable between concave cam surface and walls of the opening, thereby locking the cable in the tightened state. | 04-23-2009 |
20090030418 | Intramedullary nail and targeting instrument - An intramedullary nail and targeting and/or nailing instrument are provided, whereby a connection end of the targeting and/or nailing instrument has an axially parallel protrusion and a connection end of the nail has an axially parallel recess in order to couple the targeting and/or nailing instrument. The coupling system couples the targeting/nailing instrument and nail in their rotational position when they contact axially and whereby a connector is also provided in order to connect the targeting and/or nailing instrument and the nail in an axially fixed but also releasable manner. The connection end of the targeting and/or nailing instrument has an end section that engages approximately in one end of the bore-hole section of the nail and the end section and bore-hole section have a deformable element for a releasable snap connection of the parts with the simultaneous contact of the axially parallel protrusion and the axially parallel recess. | 01-29-2009 |
20090018590 | Device for fixation of bone fractures - A device and method for fixation of bone fractures has a bone screw comprising a shank with a threaded end portion, on the outer surface. The screw has a through bore with two bore portions differing in diameter. A step in the diameter is formed between these bore portions and is located within the end of the screw having the thread. This step in diameter can support a metal insert which in turn supports a polymer pin when the latter if pressurized with a sonotrode in the bone screw. Together with an applied ultrasonic vibration the pressure fluidizes the polymer pin and presses the material through holes configured in the wall of the bone screw and into surrounding bone. | 01-15-2009 |
20090018471 | Ultrasonic handpiece - An ultrasonic handpiece is used for augmenting a bone screw. The handpieces comprise a housing, an ultrasonic converter shiftingly accommodated in the housing, and a sonotrode connected to one end of the ultrasonic converter. The sonotrode protrudes from the housing into the bone screw. An adjuster wheel is adjustably connected to the housing. A spring is provided the ends of which are supported by the ultrasonic converter and the adjuster wheel, respectively. The ultrasonic converter is preloaded in the direction away from the adjuster wheel by setting the adjuster wheel, thereby the sonotrode is urged with a selected force into the bone screw and the augmentation material is pressed out of the bone screw and into the bone. | 01-15-2009 |
20090017430 | Virtual surgical training tool - Techniques for providing a virtual operating space for performing a virtual surgical procedure. The technique includes generating a three-dimensional view of a virtual operating space comprising one or more virtual objects capable of being manipulated by a user for performing one or more operating steps in a virtual surgical procedure on one or more virtual patients. The technique also includes manipulating the one or more virtual objects in the virtual operating space to perform all or part of a virtual surgical procedure. The technique further includes generating a virtual radiographic image of one or more portions of the virtual patient at least following the performance of one or more steps of the virtual surgical procedure to provide visual feedback to the user regarding the performance of the one or more steps in the virtual surgical procedure. | 01-15-2009 |
20090005786 | Bone hole measuring device - A measuring device for measuring the length of a through-hole in a bone has an elongated hollow sleeve preferably having an outer cross-section adapted to a cross-section of the through-hole and having an opening at its distal extremity. The measuring device further comprises a rod having a hook-shaped end at its distal extremity. The rod is at least partly housed within the hollow sleeve and is slidable with respect to the sleeve along its longitudinal axis. The sleeve and the rod are designed such that, when the rod is slid to a distal position of the sleeve, the hook-end can be displaced such as to protrude through the opening of the sleeve and laterally over the lateral outer surface of the sleeve. When the rod is slid to a proximal position of the sleeve, the rod no longer protrudes laterally over the outer surface of the sleeve. | 01-01-2009 |
20080294168 | Reaming device - A bone reamer has an ablation device for forming cavities in body tissue, the ablation device is movable with respect to a head of the reamer, and is capable of protruding at least partially beyond a surface of the head. The amount of protrusion the ablation device protrudes beyond the surface of the head has a variable geometry and the geometry is remotely modifiable. More particularly, the amount the ablation device extends beyond the outer surface of a reamer head body can be varied by an actuator located on the reamer outside the body. | 11-27-2008 |
20080269807 | Hip fracture device with static locking mechanism allowing compression - A bone plate having a plurality of openings for receiving a compression bone screw or a cortical screw. An end cap, threadably insertable in the opening and having a layer of polymeric material interposed between the end cap and the top of the head such that the compression of the polymeric material would allow slight axial movement of the screw. Alternatively, a locking ring adapted to attach to the head of the screw and having shape complimentary to the features formed on the head. The locking ring and the bone screw being assembled together and being insertable in the bone simultaneously using a dedicated instrument. Compression may be applied to a bone fracture by turning the bone screw alone after the locking ring has reached its final axial position. | 10-30-2008 |
20080269752 | Hip fracture device with barrel and end cap for load control - A hip fracture device providing distance limited dynamization, load controlled dynamization and combinations of both dynamization methods by varying components. The hip fracture device includes a plate having a head portion and a shaft portion. A barrel projects from the head portion of the plate and a screw is inserted in the barrel. A friction pin is slidably connected with the screw, and an end cap is fixed to the head portion of the plate. The friction pin is fixedly connected with the end cap. The screw slides over the friction pin and toward the end cap when a load is applied on the fracture device. The load required for further sliding of the screw over the friction pin increases incrementally as the screw slides towards the end cap. | 10-30-2008 |
20080269649 | Device and method for preparing a recess in a bone - A punching device for preparing a recess in a bone has a punching tool usable for such a punching device. An implant usable with the punching tool is provided and a method for preparing a recess in a bone are disclosed. The punching device comprises an ultrasonic sonotrode and a punching tool which is fixable to the sonotrode at its proximal extremity. At its distal extremity, the punching tool has a thin-walled portion having a non-rotational symmetric cross-section. By ultrasonic vibration of the punching tool, the thin-walled portion can be forced into a bone thereby preparing a recess of which is not rotationally symmetric. Subsequently, an implant can be held in such recess. Due to its lack of rotational symmetry, the implant may absorb rotational forces around its longitudinal axis. | 10-30-2008 |
20080262517 | Implantation pin, fixation device and method for implanting the implantation pin - An implantation pin for implantation in a target structure has a pinhead and a shaft. The pinhead comprises a pinhead moulding portion comprising a moldable material which can be liquefied by application of mechanical energy such as ultrasonic vibration energy. A channel extends through the pinhead and the shaft, the channel connecting the pinhead molding portion to a discharge opening located at the shaft. The moldable material can be liquefied by applying mechanical energy e.g. in the form of ultrasonic vibrations via e.g. a fixation device including an ultrasonic sonotrode and a vibrating tip. The pressure applied by the vibrating tip can be transmitted via the border of the pinhead to the target structure while the liquefied moldable material can be forced through the channel and the discharge opening into a gap between the implantation pin and a recess in a target structure thereby fixing the implantation pin in the target structure. | 10-23-2008 |
20080243136 | Screwdriver for bone screws - A screwdriver for bone screws, especially for compression screws and locking screws, has a handle and shaft extending out centrally from the handle. The shaft has a screw-driving tool on its free end. The shaft, includes a flexible shaft portion, wherein the shaft has two rigid, solid portions on both sides of the flexible portion. The flexible shaft portion has a flexible element for the transmission of a torque, and at least the flexible shaft portion is surrounded by an elastic protection hose or a rubber or plastic elastomeric tubular cover. | 10-02-2008 |