52 results about "Stable fracture" patented technology

A system for percutaneous fixation and stabilization of a fracture with a spanning, expandable structural frame placed in the intramedullary canal of the bone, comprising a column of surgical fluid such as bone cement, within which the structural frame acts as a reinforcing cage, and a sheath positioned at the fracture site and at least partially surrounding the frame and fluid. The fluid may be supported by a restrictor and may be agitated with a vibrating probe to remove entrapped air. The structural frame may be self-expanding or opened by an internal force, and it may be retrievable. The frame, fluid, or sheath may contain antibiotics, pharmaceuticals, or other therapeutic compounds to be delivered to the fracture site.

An orthopedic bone bridge, suitable for internally fixating and stabilizing fractured bones. The bone bridge includes: first and second bone plates for attachment to bone fragments by bone screws or the like on opposite sides of a bone fracture, a pair elongate parallel hollow legs on which the plates are mounted and the second plate is slidably engaged and is moveable with respect to the first plate, and an elastic cable or microcable attached to the first plate and extending down through the legs and around said second plate. The elastic cable is configured to provide a controlled tensile force between the plates when they are pulled into a longitudinally spaced apart position with the bone bridge then applying a correspondingly compressive force onto the bone fracture when the plates are secured to bone fragments on opposite sides of a bone fracture.

A fixation clamp to stabilize a bone fracture comprising a pair of arcuate clamp members each including a concave inner surface having at least one spike-like element or protrusion extending outwardly from each concave inner surface to engage the bone surface to secure the fixation clamp in place pivotally coupled to each other and an adjustment device to tighten the arcuate clamp members around the bone forcing the spike-like elements or protrusions into the surface of the bone.

An orthopedic bone plate, suitable for internally fixating and stabilizing fractured bones, includes: an elongated structure, capable of contraction in a longitudinal direction and having at least two ends, the structure having at least two fixation points adapted to be fixated to a fractured bone with the fixation points on opposing sides of a fracture. An elastic, polymer cable is longitudinally stretched and coupled in tension to the elongated structure, capable of causing the structure to contract in the longitudinal direction.

A device and method for stabilizing a broken bone while it heals is disclosed. The device is preferably a metal rod that has a threaded portion. The device is positioned into a bone, such as a metacarpal bone, by forming an opening in the bone suitable for receiving the device, and inserting it into the opening wherein the threaded portion retains the device in position.

An intramedullary nail for fixation and stabilization of a fractured bone that also allows for a controlled amount of longitudinal motion at the fracture site to encourage bone remodeling and healing is described. The intramedullary nail has a proximal portion and a distal portion that are coupled together in a manner by a biasing assembly that provides for a controlled movement of the proximal and distal portions relative to each other so that when a patient puts pressure on the bone, such as when walking, the fracture site compresses and the bone ends move together, and when the pressure is released from the bone, the bone ends are biased apart by a controlled amount.

A method of treating a fractured vertebral body by using a) a plurality of reinforcement rods combined with the b) a bone growth agent, wherein the reinforcement rods act to mechanically join disparate bone fragments across the fracture planes, thereby stabilizing the fracture site, and the bone growth agent promotes the growth of new bone across the fracture planes, thereby permanently replacing the fracture site with new bone.

A device and method for stabilizing a broken bone while it heals is disclosed. The device preferably has a (a) first (or proximal) section with a driving head, threads and a first diameter, and (b) second (or distal) section that is threaded and has a second diameter. The first section is preferably greater in diameter than the second section so that greater torque can be applied to tighten the device. The device may include one or more self-tapping structures to lessen the torque required to screw it into a bone.

A bone fracture fixation system comprising a metallic bone plate having a first composition comprising titanium or a titanium alloy and an opening for receiving a metallic fastener that has a second composition comprising titanium, a titanium alloy, or a stainless steel, and is sized to be received in the opening, and a cold-sprayed metallic coating either within the opening or on the metallic fastener is provided. The cold-sprayed metallic coating comprises a biocompatible metallic material having a third composition different than the first and second compositions. When the metallic fastener is inserted into the opening to stabilize a bone fracture, the cold-sprayed metallic coating may substantially prevent bonding or one or more types of corrosion between the metallic fastener and the metallic bone plate. In another embodiment, the cold-sprayed metallic coating comprises at least one of a cobalt-chrome alloy, gold, a gold alloy, silver or a silver alloy.

A hip-girdling pelvic sling device for maintaining a desired amount of tension surrounding a person's hips and pelvis to securely support and stabilize a pelvis that has been fractured. Areas of mating types of fastener material such as mating hook-bearing fastener material and loop pile fastener material are arranged on the device to enable a strap to be secured at various effective lengths to provide a wide range of adjustability. The device may include inflatable bladders, stays, and a chin support and may be wrapped around a patient's neck as a cervical support collar.

A device for use in the treatment of proximal humerus fractures, comprising a substantially spoon-shaped body having a blade-like proximal portion intended to complement the humerus head and provided with at least one seat in which to insert a wire, a threaded nail, or a similar element to stabilize the fracture, a plate-like and elongate distal portion, intended to complement the humerus neck and provided with at least one seat in which to insert a screw or a similar element to fix the body to the humerus, and a central bulge, or block, interposed between the proximal portion and the distal portion and wherein a seat is obtained in which to insert a screw intended to stabilize the humerus head.

An orthopedic bone bridge, suitable for internally fixating and stabilizing fractured bones. The bone bridge includes: first and second bone plates for attachment to bone fragments by bone screws or the like on opposite sides of a bone fracture, a pair elongate parallel hollow legs on which the plates are mounted and the second plate is slidably engaged and is moveable with respect to the first plate, and an elastic cable or microcable attached to the first plate and extending down through the legs and around said second plate. The elastic cable is configured to provide a controlled tensile force between the plates when they are pulled into a longitudinally spaced apart position with the bone bridge then applying a correspondingly compressive force onto the bone fracture when the plates are secured to bone fragments on opposite sides of a bone fracture.

An intramedullary nail for fixation and stabilization of a fractured bone that also allows for a controlled amount of longitudinal motion at the fracture site to encourage bone remodeling and healing is described. The intramedullary nail has a proximal portion and a distal portion that are coupled together in a manner by a biasing assembly that provides for a controlled movement of the proximal and distal portions relative to each other so that when a patient puts pressure on the bone, such as when walking, the fracture site compresses and the bone ends move together, and when the pressure is released from the bone, the bone ends are biased apart by a controlled amount.

A method for fixation of a fracture of a bone having an intramedullary canal. An intramedullary rod is inserted into the intramedullary canal of the bone, wherein the intramedullary rod includes at least one proximal hole and at least one distal hole. Proximal and distal screws or pegs are inserted through the bone and through the proximal and distal holes in the rod, wherein the proximal and the distal screws or pegs are headless screws or pegs and are selected to have a size and are inserted through the proximal and distal holes in the rod such that the screws or pegs do not extend substantially beyond an exterior surface of the bone. Further described are apparatus and a kit for intramedullary fixation of fractures of bones of the hand. The methods, apparatus and kits of the invention are advantageously designed for percutaneous placement of intramedullary rods into the intramedullary canal of metacarpal or phalanx bones of the hand to stabilize fractures, and in particular in the proximal or middle phalanx bones of the hand. Rotational control is provided by locking screws or pegs through the rod, also placed percutaneously. Specific alignment jigs, drills, screw drivers and equipment may be used for placement of the rod and screws, wherein the rod and screws will stabilize the fracture.

The invention discloses a traumatic injury treatment ointment medicament for external application and a production method thereof. The medicament consists of rhubarb, dahurian angelica root, turmeric, amur corktree bark, Mongolian snakegourd root, dried orange peel, Chinese atractylodes, crude pedate pinallia jackinthepulpit rhizome, liquoric root, officinal magnolia bark, vaseline and borneol serving as raw materials. The production method comprises the following steps of: weighing rhubarb, dahurian angelica root, turmeric, amur corktree bark, Mongolian snakegourd root, dried orange peel, Chinese atractylodes, crude pedate pinallia jackinthepulpit rhizome, liquoric root and officinal magnolia bark according to a prescription, and smashing into fine powder of 80 meshes which can pass through a No.5 sieve for later use; heating vaseline for melting, adding the fine powder into the thermally-molten vaseline, and continuously stirring uniformly; and cooling to about 70 DEG C, adding borneol, stirring uniformly and performing split charging. The medicament is used for treating various traumatic injuries, particularly has a remarkable and stable curative effect on initial-stage stable fracture, is convenient to use, does not have other untoward reactions, and has a simple production process, stable finished product quality and low price.

A system is disclosed for repairing and reconstructing an injured intra-articular, extra-articular ligament or tendon to a bone. The system includes realigning the axis of a bone, and further includes fixing fragments of a bone together. Novel devices, instruments and methods are disclosed, including a cortical loop for engaging a bundle of soft-tissue and capturing the bundle against a bone surface, an anchor for stabilizing a fractured bone, a guide for directing an orthopedic blade, and a hinged external jig arranged to position and guide the blade. Methods are disclosed for connecting soft-tissue to a bone and for bone alignment.

An intramedullary nail for surgical use with pediatric patients aged 18 months and older who are diagnosed with Osteogenesis Imperfecta. The intramedullary nail is used to correct deformity, stabilize fractures, and to prevent fractures. The intramedullary nail includes male components that can be nested with a straight formed female component. The angled female component has a telescopic structure that grows together with the child's bone without hindering growth. The intramedullary nail also includes at least one telescopic nail with a corkscrew tip that provides minimal damage.

The invention relates to a new type of axial unilateral external splint device for stabilizing bone fractures, comprising an extendible rod-like middle body (2) and oppositely located bone screw clamps (5, 6) which are articulated to respective ends (3, 4) of the rod-like middle body (2) by means of ball joints. Advantageously, a ball-and-socket joint (16) is mounted to each clamp (5, 6), within a main body (20) with which a bone screw clamping arrangement (25, 26, 21, 22, 23) is associated or co-operates. Also provided are ancillary members (30) adapted for removable association with the end of each clamp (5, 6) to allow each clamp to be more suitable for use, depending on the different operative installation conditions of the fixator.

An intramedullary nail for fixation and stabilization of a fractured bone that also allows for a controlled amount of longitudinal motion at the fracture site to encourage bone remodeling and healing is described. The intramedullary nail has a proximal portion and a distal portion that are coupled together in a manner by a biasing assembly that provides for a controlled movement of the proximal and distal portions relative to each other so that when a patient puts pressure on the bone, such as when walking, the fracture site compresses and the bone ends move together, and when the pressure is released from the bone, the bone ends are biased apart by a controlled amount.

The invention discloses a molded clavicle fracture fixing vest, which comprises two parts including a molded pad and a fixing vest, wherein the molded pad is of a hollow bag-shaped structure, vent holes are formed in the molded pad, the molded pad is filled with molded particles, the fixing vest is in a T shape and comprises a chest binding band and a shoulder binding band, the shoulder binding band is connected with the chest binding band through elastic cloth, and one side, attached to the skin, of the molded pad can be a cotton pad. The molded clavicle fracture fixing vest has the advantages that the original directly fixed mode of the bandage is changed into a mode that the bandage is fixed after negative pressure molding through the molded pad according to the appearance of the reset clavicle, the bandage is attached to the body surface to the optimal state; the body part is used as a stress point, the fixation is stable, firm and durable, the tightness degree and the molding can be regulated at any time according to the swelling condition of soft tissues at the fracture broken end part, and the stable fracture fixation is ensured; a plurality of self-sticking binding bands can be singly added outside the shoulder binding band, the pressure is increased, and the fixing effect is improved.

A bone nail for stabilizing a fracture. The bone nail having a head portion and a stem portion. The stem portion offset from the longitudinal axis of the head portion. The nail including a continuous passageway extending from a rear edge of the nail to a front edge of the nail. The continuous passageway including a bore extending longitudinally through the head portion and both a groove and a bore in the stem portion.

A device and method for stabilizing a broken bone while it heals is disclosed. The device preferably has a (a) first (or proximal) section with a driving head, threads and a first diameter, and (b) second (or distal) section that is threaded and has a second diameter. The first section is preferably greater in diameter than the second section so that greater torque can be applied to tighten the device. The device may include one or more self-tapping structures to lessen the torque required to screw it into a bone.

The present invention provides a method for stabilizing a fractured bone. The method includes positioning an elongate rod in the medullary canal of the fractured bone and forming a passageway through the cortex of the bone. The passageway extends from the exterior surface of the bone to the medullary canal of the bone. The method also includes creating a bonding region on the elongate rod. The bonding region generally aligned with the passageway of the cortex. Furthermore, the method includes positioning a fastener in the passageway of the cortex and on the bonding region of the elongate rod and thermally bonding the fastener to the bonding region of the elongate rod while the fastener is positioned in the passageway of the cortex.

The invention relates to the technical field of medical instruments, and discloses a locking device for unstable sacroiliac joint and sacrum fracture.The locking device comprises a support and a side plate, the inner wall of the support is slidably connected with a first vertical stud, the top of the first vertical stud is fixedly provided with a first movable bin, and the inner wall of the first movable bin is rotatably provided with a rotating ball; a pin is fixedly installed on the inner wall of the rotating ball, a plurality of adjusting holes are evenly formed in the top of the side plate, a gear is fixedly installed on the top of the side plate, and a winding wheel is fixedly installed on the top of the gear. A rolling wheel and a gear are driven to rotate by rotating a protrusion, then a pull rope can be used for dragging an abutting ball to move on the inner wall of a circular groove, locking of a sliding strip is relieved, meanwhile, the gear rotates to drive the sliding strip to slide on the inner wall of a sliding groove through an arc-shaped tooth row, and therefore the position of a locking plate is adjusted; and therefore, after the bracket is positioned, the position of the locking plate can be conveniently adjusted to lock different positions.

The cam is fixedly mounted on the top of the movable frame, and a rotating ball is rotatably mounted on the inner wall of the movable frame. A pin is fixedly mounted on the inner wall of the rotating ball, and a pin is fixedly mounted on the inner wall of the rotating ball. The top of the side plate is evenly provided with a plurality of adjustment holes, and a gear is fixedly mounted on the top of the side plate, and a winding wheel is fixedly mounted on the top of the gear. The winding wheel and the gear are driven to rotate by rotating the protrusion, and the ball can be dragged by the pull rope to move the inner wall of the circular groove to release the lock of the slide bar. At the same time, the rotation of the gear can drive the slide bar to slide on the inner wall of the slide groove through the arc gear row, thereby realizing the adjustment of the position of the locking plate, and facilitating the convenient adjustment of the position of the locking plate to lock different positions after the bracket is positioned.

A fracture plating system may be configured to stabilize a fracture of a bone. The bone may include an interior surface facing toward an interior body cavity of the patient, and an exterior surface facing away from the interior body cavity. The fracture plating system may include a plate formed of a biocompatible polymer and configured to span the fracture. The plate may include an exterior plate surface configured to abut the interior surface, an interior plate surface opposite the exterior plate surface, and a slot passing between the exterior plate surface and the interior plate surface. The fracture plating system may further include a tether configured to apply a force to the plate to draw the exterior plate surface against the interior surface of the bone, and a bracing member securable to the plate to restrict flexure of the plate parallel to a width of the slot.

Examples of devices and methods for stabilizing a fracture in a bone include a body having an elongate distal portion having an outer surface defining a screw thread and an elongate proximal portion having a non-threaded outer surface.

The utility model relates to a displacement reduction device for a fracture block in a spinal canal. The displacement reduction device comprises a holding part, a first connecting rod, a second connecting rod and a reduction part, the reduction part comprises a correction rod, a reduction rod and an epidural mater protection rod; the middle of the reset rod is an arc bent section, and two ends are linear sections. One surface of the correcting rod is connected with the end part of the second connecting rod; the linear section end part of one end of the resetting rod is connected with the correcting rod; the convex surface of the arc bent section of the reset rod faces the holding part; the end part of the linear section at the other end of the reset rod is connected with the dura mater protection rod; and the dura mater protection rod faces the direction of the holding part. The arc bent section of the reduction rod is more attached to an irregular fracture block, and meanwhile the correction rod can better support and stabilize the fracture block to be reduced in the operation process and prevent the fracture block from deviating and rolling. By arranging the dura mater protection rod on the reduction rod, when the fracture block is reduced, the compression of the spinal cord is directly relieved, the dura mater, the spinal cord and nerves can be prevented from being damaged, and iatrogenic secondary injury to a patient is avoided.