39 results about "Skeletal fixation" patented technology

A control system for use with an adjustable bone fixation device including a first fixation element and a second fixation element connectable to bone tissue portions either side of a treatment site, the control system including: one or more actuator configured to controllably adjust lengths of a plurality of adjustable length struts of the bone fixation device, the struts connecting the first and the second fixation elements of the bone fixation device, length adjustment thereof changing a spatial relationship between the first and the second fixation elements; and circuitry configured to control the one or more actuator to cause the first and second fixation element to perform an accordion maneuver by performing a plurality of actuations to adjust lengths of the adjustable length struts to create a reciprocal movement of the first and second fixation elements relative to each other.

A bone fixation plate may include a first end and a second end opposite and spaced apart from the first end along a longitudinal axis. The bone fixation plate further includes a first surface extending from the first end to the second end and a second surface opposite from the first surface. The bone fixation plate further includes a network of interstices disposed between the first surface and the second surface. The plurality of interstices is provided based on a stiffness matching system and method with respect to an underlying bone or a virtual surgical model thereof. The bone fixation plate further includes a plurality of screw holes defined by and extending through the bone fixation plate from the first surface to the second surface.

A bone fixation system configured to fix one or more bone segments of extremity bones is provided.

A control system for use with an adjustable bone fixation device including a first fixation element and a second fixation element connectable to bone tissue portions on either side of a treatment site, the control system including: one or more actuators configured to controllably adjust lengths of a plurality of adjustable length struts of the bone fixation device, the plurality of adjustable length struts connecting the first and the second fixation elements of the bone fixation device, length adjustment thereof changing a spatial relationship between the first and the second fixation elements; and circuitry configured to control the one or more actuators to cause the first and second fixation elements to perform an accordion maneuver by performing a plurality of actuations to adjust lengths of the plurality of adjustable length struts to create a reciprocal movement of the first and second fixation elements relative to each other.

The disclosure relates to a bone tracker set (1) for a bone tracking system (100) for tracking, preferably further for registering, at least two bones relative to one another, comprising: at least two bone fixations, in particular two pins (2), which are provided and adapted to be fastened directly to or in a bone of a patient (P) by means of a distal bone anchor (4), wherein a proximal end section (6) of the bone fixation, in particular of the pin (2), in each case has a coupling section (8), and at least two reference adapters, in particular two sleeves (10), which have or carry a proximal optical reference marker (12), and the reference adapters, in particular sleeves (10), are adapted to be able to be coupled to or uncoupled from the coupling section (8) of the bone fixation, in particular of the pin (2), without the need for tools, in particular having a counter-coupling structure (14).In addition, the present disclosure relates to a bone tracking system according to the independent claim.

The invention relates to the technical field of medical apparatus and instruments, and discloses an intelligent skeleton fixing and resetting device suitable for orthopedic surgery, comprising two hinged support arms, connecting arms rotatably mounted on the support arms, screw rods fixedly mounted on the connecting arms, and a threaded sleeve sleeved on the two screw rods, a first screw rod is arranged on the supporting arm, adjusting assemblies are arranged on the fixing column and the threaded sleeve, bone nail holes are formed in the mounting plate, and a quick release assembly is arranged on the mounting plate; the adjusting assembly comprises a plurality of gear rings which are distributed in a linear array mode. According to the intelligent skeleton fixing and resetting device suitable for the orthopedic surgery, the lever principle is used for amplifying the torsion generated when medical workers adjust the skeleton, the medical workers pull the operation handle to drive the adjusting gear to drive the gear rings, then labor-saving adjustment of the skeleton position is achieved, the physical burden of the medical workers during operation is relieved, different gear rings are selected during adjustment, and the adjustment efficiency is improved. And high-precision control on adjustment can be realized.

The present invention relates to a fixation device suitable for engaging an appropriate bone site in the context of regenerative and / or reconstructive surgery, such as for example vertebral surgery or trauma surgery. The bone fixation device 1 comprises a constraining portion 3 engageable in use with a respective bone seat and extending along a longitudinal direction, a fixation body 2 including a tip engagement end EE, a distal end CE and a screw thread 7, and a head portion 4 connected to the fixation body 2 by the distal end CE. The constraining portion 3 comprises a core or body (5) defining a first cross-section (FS). The bone fixation device 1 also comprises a complementary or filling structure and / or volume (6) defining a second cross-section (SS).

The invention discloses a high-strength biocompatible titanium wire rope and a preparation device and a preparation method thereof.The high-strength biocompatible titanium wire rope comprises multiple strands of twisted titanium alloy wires, the titanium alloy wires are coated with bioactive coatings through laser cladding, and the titanium alloy wires are prepared through the twisting technology of multi-layer interactive twisting combined with local weaving reinforcement. And under the combined action, the titanium alloy wire has ideal structural stability and high-strength performance. The titanium wire rope can accurately meet the diversified requirements of different medical scenes on the aspects of flexibility, strength, operation convenience and the like of instruments, the titanium wire rope can be excellently competent for both fine tissue suture and high-strength bone fixation, and richer and more efficient tool choices are provided for medical workers.

A locking clip for retaining a fastener in a bone fixation plate, the locking clip comprising a flexure member and a body member coupled to the flexure member, the body member comprising a locking tab, the locking tab configured to provide an axial limitation to motion of the fastener in a non-rotationally-ratcheting manner, the flexure member resiliently flexible to permit displacement of the locking tab to allow passage of a fastener head of the fastener, the locking tab configured to translate a downward force of the fastener head into a lateral spreading force to effect the displacement, the body member defining a clip tool engagement cavity for translational displacement of the locking tab.

A surgical handpiece system capable of determining a suitable screw length for bone fixation with a bone plate that compensates an initial screw length value based on orientation of the surgical handpiece system during a drilling process. The surgical handpiece system comprising a surgical handpiece including a depth measurement extension and a sensor. The depth measurement extension may be configured to determine a thickness of bone when a drill bit is attached and used to drill through the bone. The sensor may be configured to generate an orientation signal responsive to orientation of the depth measurement extension. The surgical handpiece system also comprises a processor in communication with the sensor and configured to determine the suitable screw length for bone fixation based the sensor.

An electrical circuitry fitted to be connected or to be an integral part of a bone fixation device having at least one linear actuator coupled between two rings, including: at least one linear actuator connector, mechanically and / or electrically connectable to said at least one linear actuator; a control circuitry, wherein said control circuitry measures a value related to the movement of said at least one linear actuator and / or to the distance or change in distance between said two rings, by receiving signals from said linear actuator connector; and a memory, wherein said memory stores said value.

The utility model discloses an integrated titanium plate assembly assisting in traction of an in-plane bone seam distraction outer support, which comprises a first fixing piece, a second fixing piece and a third fixing piece, and the first fixing piece is provided with a first traction hook fixing part used for being detachably connected with a first traction hook of the in-plane bone seam distraction outer support; the second fixing piece is provided with a second traction hook fixing part which is used for being detachably connected with a second traction hook of the in-plane bone seam distraction outer support; the two ends of the connecting piece are connected with the first fixing piece and the second fixing piece respectively, and the first fixing piece and the second fixing piece are fixed to target positions through titanium nails respectively during use. According to the integrally-formed integrated titanium plate assembly assisting in traction of the bone seam distraction outer support in the surface, the first fixing piece and the second fixing piece are fixedly connected with the bone at the target position, the traction hook of the bone seam distraction outer support in the external surface is connected with the traction hook fixing part, and therefore effective traction of the bone in multiple surfaces can be achieved.

The invention discloses a power exoskeleton device for upper limb rehabilitation assistance, which comprises an arm exoskeleton and an arm exoskeleton fixing bracket, and is characterized in that the arm exoskeleton comprises a shoulder joint rotation driving unit, a shoulder joint rotation center compensation unit, an elbow joint rotation driving unit and a forearm spinning driving unit; the shoulder joint rotation driving unit is composed of three rotation drivers which are mutually orthogonally arranged in space, the elbow joint rotation driving unit comprises a rotation driver, and the forearm self-rotation driving unit drives a forearm fixing support through the rotation driver to achieve forearm self-rotation motion. The introduced shoulder joint rotation center compensation unit can actively or passively compensate the offset of the rotation center, the arm exoskeleton is tightly attached to the human body, the man-machine interaction performance is improved, and the skeleton device can help patients with the upper limb movement function impaired, such as upper limb stroke or paraplegia patients to achieve rehabilitation movement of the upper limbs in the space or plane.

System, including methods, apparatus, and kits, for bone fixation using a fixation device including a mounting portion and a fastener that attaches to the mounting portion. In some embodiments, the fixation device may include first and second mounting portions configured to be disposed across a bone from each other and secured with a fastener that extends from one of the mounting portions, through the bone, and to the other mounting portion. The system also may include a tool to facilitate installation of the fixation device.

The invention provides a sled needle plate and an intraoperative bending tool, the sled needle plate comprises a pair of needle bodies, the tail end of each needle body is used for being fixed to a skeleton through a screw, a needle tip is formed at the head end of each needle body, the pair of needle bodies sequentially form a connecting section, an extending section and an implanting section from the tail end to the head end, the needle bodies are connected with the screws through the connecting sections, and the extending sections are connected with the screws through the implanting sections. The connecting section of at least one needle body is arranged around the screw so as to be suitable for driving the corresponding needle body to integrally rotate around the screw in the center. According to the sled needle plate, the connecting section of at least one needle body is arranged to surround the screw, so that the connecting section can drive the whole needle body to rotate around the center of the screw only by applying a relatively light external force in an operation, the angle of the needle body can be accurately and quickly adjusted in the operation, and meanwhile, the service life of the sled needle plate is prevented from being influenced.

A bone fixation system configured to fix one or more bone segments of extremity bones is provided.

Described herein are devices and methods for fixating bone segments, e.g., including the intra-operative or provisional positioning, retention, orientation, or fixation of bone segments to allow injection or placement of an adhesive composition into or around the kerf or space between bone segments until said adhesive composition solidifies or cures.

A system for external rotational deformity correction of an intact bone may include: a first frame member and a second frame member rotatably coupled therewith, a first bone fixation member coupled to the first frame member and to a distal segment of the intact bone, a second bone fixation member coupled to the second frame member and to a proximal segment of the intact bone at a first angle, an automated control mechanism coupled to the first and second frame members, and a power source for the automated control mechanism. The automated control mechanism may: receive power from the power source, rotate the first frame member to a desired relative rotational position, and position the first bone fixation member at a desired second angle to exert torsional force on the intact bone and externally reduce rotational deformity of the intact bone.

The invention provides a tendon-bone healing device which comprises a pressing plate used for fixing a tendon, a fixing part fixedly connected with the pressing plate and a plurality of surrounding claws arranged on the pressing plate and protruding towards the same side, the fixing part is used for being fixed to a bone, and the fixing part is used for fixing the bone. The first limiting rod extends from the pressing plate in the horizontal direction, the first connecting part is connected with the side, away from the pressing plate, of the first limiting rod, the second limiting rod is connected with the end, away from the first limiting rod, of the first connecting part, and the second limiting rod extends in the vertical direction; the first connecting part is in an arc shape and has elasticity. According to the tendon-bone healing device, simultaneous fixing treatment of the bones and the tendons is achieved by arranging the encircling claws and the pressing plates, fixing with the bones is achieved by arranging the fixing pieces, the good fixing effect is provided, installation is easy, and the situation that two instruments are used in two operations and the cutting effect is generated on the tendons is avoided.

The utility model provides a portable combined external fixing support for the orthopedics department. The portable combined external fixing support aims to solve the problems that a traditional external fixing support is poor in adaptability, complex to adjust and high in cost. The support core is composed of a splicing combination rod and a plurality of sets of fixing parts. The splicing combination rod is flexibly connected end to end through a plurality of single rods, and the length can be freely adjusted according to the requirement of a patient. The fixing part comprises a first sliding block matched with the combined rod in a sliding mode, a jackscrew used for locking, a mounting block and a skeleton fixing needle, and accurate adjustment and stable fixing of the fixing position are achieved. According to the design, a doctor is allowed to quickly customize a personalized treatment scheme according to the fracture condition of a patient, the treatment efficiency and the fixing stability are improved, the medical cost is reduced, and the operation process is simplified. The utility model is suitable for various fracture conditions, and is simple and convenient to operate and easy to maintain.

An orthopedic fixation system including an orthopedic implant transitionable between a natural shape and an insertion shape. The orthopedic implant includes a bridge deformable to move the orthopedic implant between the natural shape and the insertion shape, a claw extending from the bridge at a first end thereof, and an anchor extending from the bridge at a second end thereof. The orthopedic implant when in the insertion shape affixes a bone fragment and a bone in that the anchor implants in the bone, the bridge extends over the bone and the bone fragment to position the claw at the bone fragment, and the claw captures the bone fragment. Moreover, upon an attempted transition of the orthopedic implant from the insertion shape to the natural shape, the orthopedic implant delivers energy stored therein to the bone fragment and the bone thereby affixing the bone fragment with the bone.

The utility model discloses a kind of stable skeleton auxiliary outer wear tools, it is related to skeleton auxiliary tool technical field, including first clamping plate and second clamping plate, the side end of second clamping plate is fixedly installed with two connecting seats, the side end of each connecting seat is fixedly installed with first support rod, the top of two first support rods is slidably installed with same first connecting plate, the side end of each second clamping plate is provided with two second support rods, the top of two second support rods is fixedly installed with second connecting plate, driving threaded rod rotates in the bottom end of first clamping plate, while the end of threaded rod rotates in the top of second clamping plate, by rotating threaded rod, the interval of control first clamping plate and second clamping plate is fixed to the skeleton of different size is clamped, while the inside of first clamping plate and second clamping plate is installed with buffer pad, buffer pad plays the role of separation, reduce the discomfort of first clamping plate and second clamping plate to patient skeleton when fixed.

A bone fixation system configured to fix one or more bone segments of extremity bones is provided.

The present invention provides a sled needle plate and a bone fixation system. The sled needle plate includes a pair of needle bodies, each of which has a tail end for fixing to the bone via a screw, and a needle tip formed at the head end of each needle body. The pair of needle bodies are sequentially formed into a connecting section, an extension section, and an implantation section from the tail end to the head end. The needle bodies are connected to the screw via the connecting section. The connecting section of at least one needle body is arranged around the screw to drive the corresponding needle body to rotate around the center of the screw. According to the present invention, by configuring the connecting section of at least one needle body to surround the screw, only a relatively light external force is applied during surgery, and the connecting section can drive the entire needle body to rotate around the center of the screw. This allows accurate and rapid adjustment of the needle body angle during surgery while avoiding affecting the service life of the sled needle plate.

The present invention provides a tendon-bone healing device, which includes a pressure plate for fixing the tendon, a fixing member fixedly connected to the pressure plate, and a plurality of embracing claws provided on the pressure plate and protruding toward the same side. The fixing member is used to fix to the bone, and the embracing claw includes a first limiting rod extending horizontally from the pressure plate, a first connecting portion connected to the first limiting rod away from the pressure plate, and a second limiting rod connected to the first connecting portion away from one end of the first limiting rod, the second limiting rod extending vertically, and the first connecting portion being arc-shaped and elastic. The tendon-bone healing device of the present invention achieves simultaneous fixation treatment of bones and tendons by providing embracing claws and a pressure plate, and achieves fixation to the bone by providing fixing members, providing a better fixation effect, and is simple to install, avoiding the use of two instruments in two surgeries and a cutting effect on the tendon.

The invention relates to the technical field of medical apparatuses and instruments, and discloses a nickel-titanium memory alloy ship-shaped connector which comprises a connecting frame, two annular frames, a connecting rod and a connecting rod. An extension part is arranged on the ring frame, the extension part comprises two extension arms, and the two extension arms are both connected to the inner wall of the ring frame in a sliding mode; a reset part is further arranged on the ring frame and used for manually driving the two extension arms to retract into the ring frame. Through the arrangement of the extension parts, the two extension arms can automatically extend out and form an annular structure with the annular frame after the annular frame is in contact with a bone, so that the stability of fixing the bone is greatly improved, independent installation operation is not needed, the operation time is saved, and by utilizing the characteristics of nickel-titanium memory alloy, the operation efficiency is greatly improved. The annular frame and the extension arms above the annular frame can automatically hold the skeleton tightly after being heated, use of skeleton fixing pieces is reduced, and then damage to the skeleton is reduced.

The utility model provides a fracture fixing device, relates to the technical field of medical instruments, and is used for solving the problems that a damaged joint and a damaged bone connected to the damaged joint cannot be fixed at the same time, and trauma recovery of a patient is influenced, the fracture fixing device comprises at least one bone fixing assembly, a joint fixing piece and a connecting piece, the connecting piece is arranged between the bone fixing assembly and the joint fixing piece and used for connecting the bone fixing assembly and the joint fixing piece. The bone fixing assembly comprises two first bone fixing pieces, and the two first bone fixing pieces are arranged on the two opposite sides of the damaged position of a to-be-fixed bone and fixedly connected with the to-be-fixed bone. The joint fixing piece is fixed to the joint of the two adjacent to-be-fixed bones. The fracture fixing device can fix the damaged joint and the skeleton connected with the damaged joint at the same time, is suitable for normal movement of the joint, and meets the requirement for healing of different wound parts of a patient.

An orthopedic device is disclosed that includes a threaded elongated shaft having a length, a regular polygon cross-section, and a longitudinal axis defined therethrough, wherein the elongated shaft having side surfaces extending over the length of the elongated shaft wherein each side surface corresponds to each of the sides of the regular polygon cross-section; and a pair of clamps releasably clamped on to the threaded elongated shaft, wherein each of the clamps is configured for holding up to two bone fixation pins in an orientation that is non-parallel with the longitudinal axis of the elongated shaft.

A glenoid implant is disclosed having a bone fixation portion, a coupling portion, and an articulating portion. The bone fixation portion has a first socket. The articulating portion has a second socket on the rear side. The coupling portion is engaged with the second socket of the articulating portion and the coupling portion is engaged with the bone fixation portion in the first socket to form a connection between the bone fixation portion and the articulating portion.

A bone fixation system configured to fix one or more bone segments of extremity bones is provided.