50 results about "Fracture traction" patented technology

The invention relates to the technical field of fracture traction and reposition medical instruments, and in particular relates to a fracture traction device, used for fracture traction and reposition of an arm. The fracture traction device includes a traction platform, a fixing mechanism for fixing the arm of a patient, and a traction mechanism for applying traction on the arm of the patient. According to the fracture traction device, the fixing mechanism is used for fixing the arm of the patient, and cooperating with the traction mechanism for applying traction on the fracture part of the arm of the patient, so that difficulty during a traction process is reduced and traction time consumption is reduced; a universal structure is arranged on the traction mechanism of the fracture traction device, the traction direction or the traction angle can be randomly adjusted during the traction process, and the fixing position of the arm of the patient and the position of the traction device do not need to be adjusted; the fracture traction device provided by the invention is simple in structure, small in occupied space and applicable to using in small hospitals or homes.

The invention provides a movable bone traction device. The movable bone traction device comprises Kirschner wires, fixed clamping plates and limiting mechanisms; the two Kirschner wires are arranged and are named as a first Kirschner wire and a second Kirschner wire respectively; the two fixed clamping plates are arranged and are named as a first fixed clamping plate and a second fixed clamping plate respectively; a plurality of Kirschner wire supporting holes are formed in the first fixed clamping plate and the second fixed clamping plate; the four limiting mechanisms are arranged. When the movable bone traction device is used, the two ends of the first Kirschner wire and the second Kirschner wire penetrate through the Kirschner wire supporting holes formed in the first fixed clamping plate and the second fixed clamping plate respectively to stretch out; the four limiting mechanisms are arranged at two ends of the first Kirschner wire and the second Kirschner wire respectively, and are in contact with outer side surfaces of the first fixed clamping plate and the second fixed clamping plate respectively. By adopting the device provided by the invention, the aim of fracture traction and stretching can be realized, and a patient can more freely to a certain extent; complications of bedsores, deep venous thrombosis and the like, caused by the fact that the patient lies on a sickbed for long time, are avoided, and the treatment effect is improved.

The invention relates to the technical field of medical instruments for fracture traction restoration, in particular to a hand clamping mechanism. The hand clamping mechanism comprises a T-shaped main fixing plate; the main fixing plate comprises a horizontal part, a longitudinal part, a first fixing plate, a second fixing plate, two symmetrical four-finger clamping part with a cavity for accommodating four fingers; the first fixing plate and the second fixing plate which are symmetrically arranged on the left side and the right side of the horizontal part; and the inner surface of a cavity of a thumb clamping part and the inner surface of the cavity of the four-finger clamping part are provided with flexible compressible layer for providing an interface with high fiction between the mechanism and skin of a patient. The hand clamping mechanism is specially used for thumb fracture traction restoration treatment, can respectively clamp the thumb and the other four fingers and provide different intensities of traction for the thumb and the other four fingers, and the clamping force of the hand clamping mechanism can be adjusted according to the traction force.

The invention relates to the technical field of fracture traction restorers, in particular to a heel restorer. The restorer comprises a lantern ring and a plurality of air bags fixedly connected to the inner wall of the lantern ring, the air bags are arranged in the axis direction of the lantern ring, and an air supply piece communicating with the air bags is fixedly connected to the lantern ring;and one end of the lantern ring is slidably connected to a sliding piece in the axial direction of the lantern ring, the sliding piece is connected to a transverse fixing mechanism and a longitudinalfixing mechanism, and the fixing directions of the transverse fixing mechanism and the vertical fixing mechanism are perpendicular to each other. Before calcaneus is restored, the air bags are used for fixing a leg of a patient, then the transverse fixing mechanism and the longitudinal fixing mechanism are used for restoring the calcaneus, and the problem that in the prior art, the calcaneus fracture cannot be restored conveniently, accurately and rapidly is solved.

The invention discloses a fracture tractive reduction device, which comprises an active adjusting mechanism and a passive adjusting mechanism. The adjusting ends of the two adjusting mechanisms are fixedly fitted with a first Kirschner wire and a second Kirschner wire respectively; the first Kirschner wire and the second Kirschner wire are fixed at the distal end and proximal end of a fracture site respectively; the distal end and proximal end of the fracture site are matched and butted by adjusting the first Kirschner wire and the second Kirschner wire through the active adjusting mechanism and / or the passive adjusting mechanism respectively; The movement and the angle adjustment are performed so that the positions of sutures at the distal end and proximal end of fracture correspond to each other, and therefore, push reduction butting and fixation are achieved. The adjusting mode is simple and easy to learn, the precision is very high, the operation difficulty and the butting inaccuracy are reduced, the fracture tractive reduction device is suitable doctors at various levels to operate and use after simple training, and a basis is provided for standardized operation of fracture positioning.

The invention discloses a fracture traction reduction guiding device of a long bone. The device comprises a driving mechanical arm, a driven mechanical arm, a photoelectric tracer, an end effector, a trolley, a tracking mark component and a spatial point acquisition unit. The tracking mark component is installed on the fracture position of the long bone. The spatial point acquisition unit is held by a doctor. A prop A of the driving mechanical arm and a prop B of the driven mechanical arm are installed on the upper panel of the shell of the trolley respectively. The photoelectric tracer is installed on the end cover of a rocker A of the driving mechanical arm. The end effector is installed on the end cover of a rocker B of the driven mechanical arm. A computer system is arranged in the wagon box of the trolley. The driving mechanical arm has the same structure with the driven mechanical arm. The fracture traction resetting guiding device of the long bone can assist the doctor to finish the reduction operation of 3D geometry of a wounded limb and the mechanical arm is used for fixing the distant end of the wounded limb to improve the accuracy of reduction and to reduce the radiation of X-ray. The tracking mark component is arranged on the fractured bone that needs to be operated, so the position of a characteristic point marked by the tracking mark component is easier to be tracked by the photoelectric tracer.

The invention relates to the technical field of medical instruments for fracture traction restoration, in particular to a hand clamping mechanism. The hand clamping mechanism comprises a T-shaped main fixing plate; the main fixing plate comprises a horizontal part, a longitudinal part, a first fixing plate, a second fixing plate, two symmetrical four-finger clamping part with a cavity for accommodating four fingers; the first fixing plate and the second fixing plate which are symmetrically arranged on the left side and the right side of the horizontal part; and the inner surface of a cavity of a thumb clamping part and the inner surface of the cavity of the four-finger clamping part are provided with flexible compressible layer for providing an interface with high fiction between the mechanism and skin of a patient. The hand clamping mechanism is specially used for thumb fracture traction restoration treatment, can respectively clamp the thumb and the other four fingers and provide different intensities of traction for the thumb and the other four fingers, and the clamping force of the hand clamping mechanism can be adjusted according to the traction force.

The invention relates to the technical field of fracture traction and reposition medical instruments, and in particular relates to a fracture traction device, used for fracture traction and reposition of an arm. The fracture traction device includes a traction platform, a fixing mechanism for fixing the arm of a patient, and a traction mechanism for applying traction on the arm of the patient. According to the fracture traction device, the fixing mechanism is used for fixing the arm of the patient, and cooperating with the traction mechanism for applying traction on the fracture part of the arm of the patient, so that difficulty during a traction process is reduced and traction time consumption is reduced; a universal structure is arranged on the traction mechanism of the fracture traction device, the traction direction or the traction angle can be randomly adjusted during the traction process, and the fixing position of the arm of the patient and the position of the traction device do not need to be adjusted; the fracture traction device provided by the invention is simple in structure, small in occupied space and applicable to using in small hospitals or homes.

The invention discloses a shank and ankle fracture traction reduction frame, and belongs to the technical field of medical instruments for the department of orthopaedics. The shank and ankle fracture traction reduction frame is used for carrying out traction reduction on shank and ankle fractures. According to the technical scheme, two inclined long rods serve as main traction rods, the middle portions of the two main traction rods are connected with the upper portions of two supporting rods through rotating shafts respectively, a traction transverse shaft is perpendicularly connected between the upper portions of the two main traction rods and provided with a traction screw hole, the upper portion of a traction arch is connected with the lower end of a lead screw, the lead screw is matched with the traction screw hole, the upper end of the lead screw is connected with a motor, the motor is connected with a programmable controller, the lower portion of the traction arch is fixed to the upper bone of the shank under traction, a traction kirschner wire is arranged on the lower portions of the two main traction rods, and the middle portion of the kirschner wire penetrates through the bone of the foot under traction. By means of the shank and ankle fracture traction reduction frame, accurate traction can be carried out on shank and ankle fracture parts, malposition, twist and the like of the fracture parts can be corrected, the reduction quality of minimally invasive treatment of lower limb fractures is improved, and the operation difficulty is lowered.

The invention discloses an automatic traction and rotating reset device for a leg fracture. The automatic traction and rotating reset device comprises suckers, a base, a telescopic sleeve, a traction mechanism, a rotating reset mechanism, a tension sensor and a fixing foot plate. The suckers are fixed to the bottom of the base. The body reset mechanism is connected with the base through the square telescopic sleeve. The traction mechanism is a lead screw sliding table used reversely, and a motor is arranged at the tail end of the traction mechanism. The rotating reset mechanism is connected with a motor speed reducer. The output end of the rotating reset mechanism is provided with a connector universal for a traction table. The rotating reset mechanism is connected with the tension sensor and the fixing foot plate into a string through the connector universal for the traction bed. The rotating reset device can finish traction and rotating reset of the leg fracture and gets ready for other operation in surgery; the magnitude of drag force can be fed back, and excessive drag is avoided; the traction and reset effect can be kept, and repeated operation is avoided; traction and rotation are quantified, and reference is provided by a reset method for fracture traction operation; the device is suitable for a common steel traction table, and equipment transformation is simplified.

The invention discloses a multifunctional fracture traction repositor. The multifunctional fracture traction repositor includes a first bundling belt and a buckle, the upper end of the first bundlingbelt is provided with a winding groove, the upper end of the winding groove is provided with a big connection belt, the inner surface of a small connection belt is provided with an angle regulator, the upper end of the buckle is provided with a first shoulder strap, one side of the first shoulder strap is provided with a second shoulder strap, and the upper end of the second shoulder strap is fixedly provided with a second bonding belt. The multifunctional fracture traction repositor is provided with the winding groove, the angle regulator and the first shoulder strap, the big connection beltcan be manually adjusted to be wound in the winding groove so as to change the length of the repositor, so that the repositor is suitable for different users, at the recovery phase, the user can makethe legs conveniently bent, and the repositor can be more stably installed on the leg of a wounded person through the shoulder strap, can be suitable for different working conditions and has better application prospects.

In a device for controlling, adjusting and / or commissioning a working implant, in particular a distraction treatment device for fractures, the receiving unit (2) can be mounted directly releasably in the implant (1) or with The implants (1) are connected. The device can be implanted together with a receiving unit (2) and receive data and / or energy from the outside via a transmitting unit (3).

The invention discloses a cotton-padded mattress with the fumigation therapy function, which has the benefits that the problem that various skin diseases of patients are induced due to various breeding germs caused by gathering of dirty air in the mattress environment is avoided, and the traditional Chinese medicine fumigation therapy is performed at the same time; the pharmaceutical effect is increased by giving medicine to skins, and the toxic action of drugs entering systemic circulation on livers, kidneys and the like is reduced. The cotton-padded mattress mainly comprises air supply slim tubes (1), air extraction slim tubes (2), an air supply mother tube (3), an air extraction mother tube (4), a traditional Chinese medicine pot (5), an air blower (6) and a draft fan (7); the cotton-padded mattress can be applied to paralyzed patients, coma patients, patient subjected to major operation and fracture traction, severely burned (frostbitten) patients and the like, critical patients and patients subjected to end-stage diseases, and suitable for hospitals, nursing homes and home sick beds.

The invention relates to a reverse thread retractor, which includes a screw adjusting module, a first retracting module, a second retracting module and a sliding rod. The screw adjusting module includes an adjusting knob, a screw, a right-hand thread and Left-handed thread, the left end surface of the adjustment knob is connected to the screw, the side of the screw adjacent to the adjustment knob is provided with a right-handed thread, the other side of the screw is provided with a left-handed thread, and the right-handed thread is threaded on the first A stretch reset module, the left-hand thread is threaded to connect the second stretch reset module, and the first stretch reset module and the through hole on the second stretch reset module are slidably connected to the sliding rod. The present invention has the advantages of convenient operation, Minimally invasive reduction, small incision, less exposure, less damage, fluoroscopy, good reduction and fixation effect, etc., the process of distraction reduction along the axis is stable, precise, controllable, safe and convenient to use, and can be used for various fractures. Distraction and reduction of fractures involving distal and proximal segments and joints.

The invention relates to a medical instrument for human, especially a fracture traction device used for train berth, comprising a lower splint immobilization device, an upper splint immobilization device, a lower fastening bolt, an upper fastening bolt, a device capable of adjusting traction force, a traction dynamometer, an upper fixed pulley, a lower fixed pulley, a traction rope. The lower splint immobilization device is immobilized on the lower berth edge by the lower fastening bolt and the upper splint immobilization device is immobilized on the middle berth edge by the upper fastening bolt and the upper fixed pulley is fixed on the upper splint immobilization device and the lower fixed pulley is fixed on the lower splint immobilization device and the device capable of adjusting traction force is connected with the dynamometer and the dynamometer is connected with the traction rope and the traction rope passes through firstly the upper fixed pulley and then the lower fixed pulley and the end of the traction rope is connected with the traction rope. The fracture traction device has features of convenient installation, less space usage and ability of realizing traction of the patient limbs or head neck bone fracture on the train berth.