36 results about "Femoral Shaft Fracture" patented technology

The invention discloses an auxiliary reduction apparatus for closed reduction of femoral shaft fracture of children and belongs to the technical field of orthopedic medical treatment instruments, aiming to realize closed reduction of femoral shaft fracture of children. The technical scheme includes that a proximal clamp holder and a distal clamp holder reslectively sleeve a proximal connecting rodand a distal connecting rod through lock bolts; a Kirschner wire is fixedly connected with the proximal end of the femoral fracture through the proximal clamp holder; a half-thread wire is fixedly connected with the distal femoral condyle through the distal clamp holder; a horizontal rotating shaft is connected to the far end of the proximal connecting rod and is connected with a universal shaft;the universal shaft is connected with the distal connecting rod; an axial stretching reduction device is mounted at the tail end of the distal connecting rod, and a radial pressurizing reduction device is mounted on the distal connecting rod. The auxiliary reduction apparatus has the advantages of simple structure, convenience in use, good reduction effect, high convenience in fluoroscopy duringoperation, creates condition for driving of titanium elastic intrameduary nail for treatment of femoral shaft fracture of children, avoids the fracture broken end surgical reduction operation, and accordingly reduces surgical wounds.

The steel wire guiding device for femoral shaft fracture bone fragment fixation involves minimally invasive internal fixation of femoral comminuted fracture, without cutting the broken end, and using steel wire or suture to bind and fix the femur and free bone fragments. It includes the front knuckle and the knuckle chain. The knuckle chain includes the hinged rear knuckle. There is a torsion spring between the rear knuckle and the front knuckle. The function of the torsion spring is to make the front knuckle move toward the axis of the femur. sideways. After closed intramedullary nailing for comminuted femur fractures, when the handle is pushed forward under fluoroscopy, the posterior phalanx moves joint by joint to form a surround on the femur and free bone fragments. Use the nucleus pulposus forceps to pinch the front end of the steel wire, and then pull it to the inside of the guiding device to pull the steel wire out of the guiding device; the steel wire can also be used to lead out the sutures. Knot the steel wire or suture to achieve closed reduction, binding and fixation of free bone fragments and femur. The device is easy to operate, and compared with open reduction and fixation, it can avoid destroying the blood supply of free bone fragments, significantly reduce the incision, and reduce operation and postoperative healing time.

The invention discloses a pharmaceutical composition for the treatment of femoral shaft fracture and a preparation method thereof. The pharmaceutical composition is made from the following raw materials: Rosa multiflora, juice of oriental grape, jujube, Cyperus Michelianus, delavay pararuellia herb, Tanarius major, violet Herba, pseudo-ginseng, herba taching, licorice, elderberry, the root of red-rooted salvia, scabrid smallhooked hedyotis herb, Gaultheria pyroloides, Ceylon houndstongue leaf or root-bark, chun spicebush root, rhizoma polygoni suffulti, Adenophora trachelioides, Thlaspi arvense, cimicifugae foetidae, one strike decoction, medlar and sivery aleuritopteris herb. The invention has the beneficial effects that the pharmaceutical composition has the effects of invigorating qi, generating muscle, and promoting blood circulation to remove meridian obstruction, can remove blood stasis, generate new muscle, repair bone, promote the formation of bone cells and recovery of peripheral nerve and muscle; and the efficacy directly reaches the lesions. The invention has the advantages of simple production process, little side or toxic effects, low cost, no resistance and no recurrence.

The invention belongs to the field of medical instruments, and relates to a femoral shaft fracture internal fixing instrument, which comprises a locking steel plate and a collimation assembly component of the locking steel plate. The locking steel plate comprises a steel plate, a single lock, a combination lock and lock pins, and the collimation assembly component comprises a single lock collimation fixing apparatus, a combination lock collimation fixing apparatus and auxiliary components including bone nails, a bone nail positioning drawing hook, a combined screwdriver and the like. An arc which corresponds to a forward physiological curve of the femur of a patient is longitudinally designed on the steel plate, an arc which corresponds to the transverse diameter of the femur is transversely designed at a position, which is close to a femur surface, of the steel plate, arc-shaped curved surfaces are symmetrically and uniformly distributed on side surfaces of the steel plate, and the steel plate conforms to an arc line of the femur, is placed in the middle of a fracture portion, and contacts with the femur in a limited manner. The combination lock is designed on the inner side of the femur and across a fracture line, the single lock is designed far away from the fracture line, collimation, fixation, drilling and assembling are carried out by the collimation assembly component, and operation is simple and fast. The femoral shaft fracture internal fixing instrument has the advantages that fixation is stable, additional fixation is not required after surgery, and the femoral shaft fracture internal fixing instrument can be used for early-stage functional exercises and is favorable for fracture healing. After fracture healing, a fixing object in the femur can be detached conveniently.

The present application discloses an inverted humerus intramedullary nail, which includes a first rod body located at the distal end and a second rod body located at the proximal end, the first rod body and the second rod body are coaxially connected into one body, and the second rod body The outer diameter of the first rod body is larger than that of the first rod body, and four first round holes and one second round hole are opened on the second rod body, and the four first round holes are respectively perpendicular to the axis of the second rod body direction, and the four first round holes form a certain angle with each other, and the angle between the second round hole and the axial direction of the second rod body is 45°, and the first rod body is provided with two The third circular hole, the two third circular holes are perpendicular to the axial direction of the first rod body, and a certain angle is formed between the two third circular holes. The inverted humeral intramedullary nail provided by the new model has simple structure and high safety, and is suitable for clinical needs. The intramedullary nail has high tensile strength, can be used for femoral shaft fractures, and can achieve the purpose of small surgical incision and fast and convenient surgery.

The invention relates to the field of bone surgery medical instruments, in particular to a lifting proportion template device for bone surgery fracture operation of human body long tubular bones and ameasuring method. The proportion template device is characterized in that one end of a bolt is dynamically connected with a hemisphere through threads, and the other end is fixedly connected with a base to form a proportional template; the hemisphere can lift up and down through threads; a proximal femur anti-rotation intramedullary nail operation is carried out, a patient lies flat on a flat bed, a proportional template is placed on the flat bed to be in a horizontal state, an X-ray film is shot, an operator touches the highest point of the greater trochanter with the hand, the hemisphere ismeasured with a horizontal ruler, the hemisphere is lifted to the position at the same height as the greater trochanter, and photographing is carried out; the device has the positive effects that thediameter in the X-ray film is measured to be 1mm accurately; and the medullary cavity diameter of the bone of a treatment part required by an affected limb in the X-ray film is calculated to be 1mm accurately. The success rate of the obtained data guidance surgery is 100%. The device comprises the conditions that 1, the operation time of the proximal femur anti-rotation intramedullary needle is 15-30 minutes; 2, the femoral shaft fracture intramedullary needle operation time is less than or equal to 1 hour; 3, the tibia intramedullary needle operation time is less than or equal to 1 hour; and4, tibia steel plate operation time is less than or equal to 1 hour.

A steel wire guide for femoral shaft fracture bone fragment fixation relates to the fixation of femoral shaft fracture free bone fragments and solves the problem of closed reduction, binding and fixing of femur and free bone fragments with steel wires or sutures. After closed reduction and interlocking intramedullary nailing for comminuted fractures of the femoral shaft, under C-arm fluoroscopy, the outer tube is passed through the muscle, and the free bone fragments are hooked to make it close to the femoral shaft. The inner tube rotates around its own center of circle. After the inner tube protrudes from the outer tube, it cooperates with the outer tube to enclose the free bone fragment and the femoral shaft. At this time, the steel wire can be pulled out from the inner tube and the outer tube with nucleus pulposus forceps; Fixed with suture, the suture can be fixed at the end of the steel wire and pulled out with the steel wire. Knot the steel wire or suture to achieve closed reduction, binding and fixation of free bone fragments and femur. The guide is easy to operate, and compared with open reduction and fixation, it can avoid destroying the blood supply of free bone fragments, significantly reduce the incision, reduce operation time, and relieve patients' pain.

The present invention provides an intramedullary nail. The intramedullary nail is made of a nickel-titanium alloy material with memory function and superelasticity, and the intramedullary nail is made into the current corresponding shape of the intramedullary nail according to the site of use. Intramedullary nails, including intramedullary nails for femoral shaft fractures, the intramedullary nails include a nail rod fixing part and a nail rod expandable part, the nail rod expandable part is connected to one end of the nail rod fixing part, so Both the expandable part of the nail shaft and the fixed part of the nail shaft are provided with strip-shaped cavities, and are connected between the strip-shaped cavities inside the fixed part of the nail shaft and the expandable part of the nail shaft. The intramedullary nail provided by the present invention, by using the intramedullary nail made of nickel-titanium alloy, has memory function, super elasticity and strong adaptability, and can be correspondingly set as the intramedullary nail used in the corresponding body part, and its elasticity can be used. Do fixation, and because of the superelasticity of the compression, the two fractures are aligned together, the gap can be eliminated, and the fracture is easier to heal.

The invention discloses an intramedullary nail with a lock. At present, the intramedullary nail with the lock can be used for well controlling the bent shearing twisting stress at a fracture end, and becomes the application trend for the treatment of long bone fracture. The intramedullary nail comprises a compression screw (1), wherein the compression screw comprises a screw cap (6) and a screw rod (7); the screw cap is connected with the screw rod; the outer surface of the screw rod is provided with a coarse thread (8); the compression screw is screwed into an intramedullary nail rod (2); the intramedullary nail rod is connected with a fixing rod (3); the fixing rod is connected with a decompression head (4). The intramedullary nail is applied to internal fixation of femoral shaft fracture, tibial shaft fracture, femoral neck fracture, femoral intertrochanteric fracture or combined femoral shaft fracture, supracondylar fracture of femur, femoral intercondylar fracture or combined femoral shaft fracture and humeral shaft fracture, and is taken as a surgical tool for diaphyseal fractures.

The invention discloses a fixing and transferring splint device special for femoral neck or femoral shaft fracture emergency treatment.The fixing and transferring splint device comprises a splint body, fixing belts and a fixing belt guide rod.Lengthening plates are arranged at the two ends of the splint body and connected with the splint body through stretchable rods, one ends of the stretchable rods are fixed to the lengthening plates, and the other ends of the stretchable rods penetrate out of the lengthening plates and are arranged in blind holes formed in the length direction on the splint in a penetrating mode; side holes for allowing the fixing belt to penetrate through are formed in the two sides of the lengthening plates and the two sides of the splint body; a guide rod storage groove is further formed in the splint body in the length direction of the splint body, the fixing belt guide rod is matched with the guide rod storage groove in shape, and a hook for hooking the fixing belts is arranged on an end head of the fixing belt guide rod.According to the fixing characteristics of femoral necks and femoral shaft fractures and the average height of the human body, the splint device for pre-hospital emergency treatment is stretchable, high in emergency meeting performance, easy and convenient to operate, efficient, safe, reliable and convenient to widely apply and popularize.