59 results about "Operative fixation" patented technology

A surgical fixation system including a surgical fixation plate, a plurality of fasteners, and a retainer having an improved mechanism to prevent the back out of screws employed in securing a surgical fixation plate to an intended orthopedic location.

The present invention provides an improved contourable surgical fixation device that is made from a resorbable material and useful in bone reconstruction. In one embodiment, the fixation device may be made of a polymeric material. The fixation device comprises a plurality of spaced-apart fastening plates, links interconnecting the plates, and openings defined between the fastening plates by the links and fastening plates. In one embodiment, at least some of the fastening plates have fastener holes therethrough for receiving a fastener, such as a screw or tack, to secure the fixation device to the bone. The present invention provides an open-structured fixation device that is capable of being contoured in three dimensions to approximate the anatomical shape of a bone to which the fixation device may be attached.

A fixation and retraction system utilizing base components to which shielded magnet components attach in order to locate movable fixation and retraction components or other operating theater devices, such as surgical drapes. Use of rare earth magnets permits system components to be attached quickly, easily and securely in almost an infinite number of configurations.

The present invention provides an improved contourable surgical fixation device that is made from a resorbable material and useful in bone reconstruction. In one embodiment, the fixation device may be made of a polymeric material. The fixation device comprises a plurality of spaced-apart fastening plates, links interconnecting the plates, and openings defined between the fastening plates by the links and fastening plates. In one embodiment, at least some of the fastening plates have fastener holes therethrough for receiving a fastener, such as a screw or tack, to secure the fixation device to the bone. The present invention provides an open-structured fixation device that is capable of being contoured in three dimensions to approximate the anatomical shape of a bone to which the fixation device may be attached.

The invention discloses an operation fixing support for medical treatment in general surgery. The operation fixing support comprises a clamping plate, a bolt, a support rod, a sliding mechanism, an opening mechanism and a driving mechanism. The operation fixing support for medical treatment in general surgery can fix expansion state of an operated part of a patient without holding by a medical worker, so that the medical worker can vacate both hands to perform operative treatment on the patient; and besides, the device fully expose the fixed area after expansion of the operated part of the patient outside, so that the medical worker can observe the condition of the operated part of the patient clearly. Thus, the device in the invention facilitates operative operation by the medical workerand reduces operation difficulty of the medical worker.

A surgical fixation device for fixing organs in minimally invasive surgery comprises a first outer tube and a first inner tube. A first rectangular groove is arranged on the outer ring of the first outer tube. A sliding groove is arranged on the inner wall of the first rectangular groove. A sliding block is arranged in the sliding groove. An air bag is arranged on the outer wall of the first innertube. A cylinder is arranged on the air bag. A piston is arranged in the cylinder. A medical hose is arranged in the first inner tube. An electric covering mechanism is arranged on the medical hose.A guide cover is arranged on the first outer tube. A first servo motor is arranged in the guide cover. A second outer tube is arranged below the first outer tube. An angle adjusting mechanism is arranged between the first outer tube and the second outer tube. A handle is arranged at the lower end of the second outer tube. An electromagnetic change valve is arranged below the handle and provided with an air outlet tube. The electromagnetic change valve is installed at an air outlet end of an air pump. An air inlet tube is arranged at the air inlet end of the air pump. A power supply and a controller are arranged beside the air pump. According to the invention, a doctor can conveniently insert the surgical fixation device into the body of a patient, so that blocked organs can be stretched, stripped or fixed. The opening size stretched by a spring piece can be adjusted, so that organs of different sizes can be fixed.

The invention discloses an operation fixing device for a clinical orthopedic spine trauma, and relates to the technical field of medical equipment. The operation fixing device comprises a surgical bedand a fixing set, wherein the fixing set is installed on the surgical bed; the fixing set is composed of a head fixing piece, a body fixing piece and a leg fixing piece which are provided with a fixator, a second fixator and a third fixator respectively; the fixator is composed of a spring, a movable column, an arc-shaped plate and a plurality of fixed columns; and the head fixing piece and the leg fixing piece are matched with the body fixing piece in a nested mode. According to the invention, the fixing set is installed on the surgical bed, so that the situation that when an emergency patient needs an operation, the fixing device is installed for a long time, and consequently the patient cannot be rescued urgently is avoided; the spring, the movable column, the fixed columns and the arc-shaped plate are connected in sequence, so that patients with different weights can be adapted conveniently; and through nesting fit between a movable plate and a movable groove, the fixing set can be adjusted conveniently according to patients with different heights, so that the fixing device can adapt to the patients with various heights, and the application range of the fixing device is widened.

The invention relates to a steel plate for anterior cervial internal fixation and a guiding device, and relates to the technical field of medical apparatus and instrument for orthopedic operation. The steel plate comprises a steel plate body and cone bolts. A pair of upper cone bolt holes and a pair of lower cone bolt holes are formed in the upper side and the lower side of the steel plate body respectively. The cone bolts and a long circular upper pedicle screw hole are arranged in the bolt holes, and pedicle screws are arranged in pedicle screw holes. The guiding device comprises a fixing rod, a guiding arm, a guiding rod and a fastening device. The steel plate for anterior cervial internal fixation and the guiding device have the advantages that the fixing effect is good, enough stability can be provided, secondary operative fixation is not needed, indisposition and medical cost are reduced, and the recovery speed is fast.

A surgical fixation system having an improved mechanism to prevent the back out of screws employed in securing a surgical fixation plate to an intended orthopedic location.

The invention discloses a localization and fixation device for animal tibia surgery. The localization and fixation device comprises a tibia localization and fixation arm connected with an external fixation frame; the tibia localization and fixation arm is provided with a popliteal fossa localization unit, a knee fixation unit and an ankle fixation unit; and the tibia localization and fixation armis used for defining and fixing a surgery standard position of an animal tibia during tibia surgery, and thus, a surgical small environment operating platform of a three-dimensional standard positionimage of the tibia surgery is formed. According to the localization and fixation device, three-dimensional fixed-point surgical fixation for the orthopedic surgery on a laboratory animal tibia is realized, and thereby, implementation of tibia bone fixation needle puncture, the surgical standardized operation of a fracture and segmental bone defect experimental model, and the repeatability and thedata reliability of a surgical technique of an experimental animal tibia model can be guaranteed. Assisted by a three-dimensional adjustable fixation frame as the external fixation frame, the localization and fixation device makes the tibia localization and fixation arm have stable three-dimensional variability based on vertical and horizontal axial directions, so that a required surgical big environment suitable body position can be provided for a surgery operator.

An operation fixing cap is characterized in that a support seat with the shape matched with a human afterbrain is arranged at an operating table; a forehead fixing belt, a jaw fixing belt I and a jaw fixing belt II are connected onto the support seat; the forehead fixing belt and the jaw fixing belt I are arranged by crossing; the jaw fixing belt II is pressed above the jaw fixing belt I. The operation fixing cap can be used for safely fixing the head of a patient and preventing the head of the patient from shaking during the operation to avoid the influence on the performing of the operation.

The invention discloses a skull front side surface operation fixing device in clinical medicine craniocerebral surgical operation, and the device comprises a mounting plate, a telescopic assembly, an adjusting assembly and a fixing assembly; the telescopic assembly is arranged on one side of the mounting plate, the adjusting assembly is arranged on the outer wall of the telescopic assembly, and the outer wall, located on one side of the adjusting assembly, of the telescopic assembly is provided with a fixing assembly. A first sliding groove is formed in the outer wall of one side of the mounting plate, and a first lead screw is rotationally mounted on the inner wall of the first sliding groove; by means of the telescopic assembly, the distance between the arc-shaped pillow and the bedside protection plate can be adjusted conveniently, patients of different heights can place the craniocerebral parts on the arc-shaped pillow when lying flat on a sickbed, by means of the adjusting assembly, the distance of the U-shaped rod is changed by adjusting the included angle between the fixing rod and the connecting rod, and the patient can wear the device conveniently; patients with different head sizes can wear the device conveniently, the use limitation of the device is avoided, the use range of the device is widened, and the device is worthy of wide application and popularization.

The invention discloses a fixing device for craniotomy in neurosurgery, and belongs to the technical field of clinical medicine and forensic medicine inspection tools. The fixing device comprises a base-A and a base-B, wherein the two bases are combined, connected and clamped through a positioning pin and a connecting and clamping bolt; and then a fixing plate is connected with the bases, before the fixing plate is connected, teeth of a patient are well meshed with tooth fixing grooves in the fixing plate, and relative movement is avoided after fixation. After the whole fixing device is installed, six degrees of freedom of the skull of the patient in space can be achieved, namely the skull is fully restrained, and effective support is provided for the next operation. The fixing device is simple in structure, good in fixing effect and low in cost, and the time cost of a doctor can be effectively reduced; and meanwhile, the fixing device solves the problem that the risk of a traditionalhead band and screw fixing mode to a patient suffering from osteoporosis is avoided, and therefore the patient does not need to worry about the safety risk caused by osteoporosis due to the fact thatthe fixing device is mainly used for fixing the head shape and the teeth of the patient.

The invention discloses an auxiliary fixing device special for neurosurgery, and belongs to the technical field of surgery fixing. The auxiliary fixing device comprises a frame body, wherein the rightside surface of the inner wall of the frame body is provided with two sliding chutes; the right side surfaces of the inner walls of the two sliding chutes are in lap joint with the right side surfaces of sliding blocks; the left side surfaces of the sliding blocks are fixedly connected with the right side surface of a movement rod; and the left side surface of the movement rod and the right sidesurface of a toothed plate are fixedly connected. According to the auxiliary fixing device special for the neurosurgery, through the mutual cooperation of threaded columns, thread caps, arc-shaped clamping plates, a pushing plate, a sliding rod, a sliding sleeve, a first gear, the movement rod and a movement plate, the first gear drives the movement rod to upwards move, and when the move plate upwards moves to a proper position, the pushing plate is loosened to enable the sliding rod and clamping grooves to be in stable contact. The device can clamp the head of a patient to guarantee that thesurgery is stably carried out. Meanwhile, according to different heights of doctors, the angle of the movement plate can be manually regulated so as to bring convenience to medical staff.

The invention discloses a dog surgery fixing device for a veterinarian and a using method thereof. The device comprises a bottom plate, wherein a plurality of first telescopic rods are fixedly connected to the top of the bottom plate; the number of the first telescopic rods is four; the four first telescopic rods are symmetrically arranged left and right and front and back with the top of the bottom plate as the center; the top ends of the four first telescopic rods are fixedly connected with an operating table; an opening is formed in the portion, close to the center, of the bottom of an inner cavity of the operating table; a first bearing is movably connected to the opening; an adjusting mechanism is arranged at the portion, close to the upper portion, of the center of the inner cavity of the operating table; a semi-wrapping frame is fixedly connected to the portion, close to the upper portion, of the left side of the operating table; a semi-wrapping storage frame is movably connected to an inner cavity of the semi-wrapping frame; and a pressing block is fixedly connected to the left side of the semi-wrapping storage frame. The device is reasonable in structural design, the height of the operating table is conveniently adjusted, the distance between a second top plate and a first top plate can be adjusted according to needs, and a dog surgery is conveniently carried out.

The invention relates to a spinal pedicle fixation positioning guide system. The spinal pedicle fixation positioning guide system has a positioning guide device and a central management device which are communicably connected to each other through a sensor. The positioning guide device is connected with an inner fixed surgical opener, a wire tapping device and a nail holder, the central managementdevice acquires and records the instantaneous three-dimensional coordinates of the sensor, and the three-dimensional coordinates are calculated to obtain the correct open direction and open distance,an internal fixing mechanism is guided to operate according to the open direction and the open distance. Therefore, the spinal pedicle fixation positioning guide system of the present invention can quickly and accurately perform the spinal pedicle screw fixation operation without quickly and accurately guiding the internal fixation surgical instrument, and is simple in operation and convenient tocarry.

The invention discloses a breast surgery fixing system which comprises a handle and pulling hooks arranged on the handle. The handle is provided with sleeves hinged to the handle. The breast surgery fixing system is characterized in that pin holes are formed in the sleeves and the upper portions of the pulling hooks respectively, fixing pins penetrate through the pin holes in the sleeves and the pulling hooks respectively to fix the pulling hooks, the system further comprises a fixing rack which is composed of two vertical rack bodies and a horizontal rack body, and a stop dog is arranged between the two vertical rack bodies. According to the breast surgery fixing system, the pulling hooks can be conveniently fixed on the sleeves through the fixing pins, a doctor can conveniently adjust the pulling height of the skin according to scales on the pulling hooks, and a cleaning seat can be used for conveniently cleaning the pulling hooks.

Described herein are improved surgical fixation devices and methods of making the same. The methods comprise mechanochemical processing and vacuum annealing of biocompatible polymer-nanomaterial mixtures to form composites exhibiting superior mechanical properties.

The invention discloses a surgical fixing device for clinical orthopedic spinal trauma, and particularly relates to the field of medical auxiliary instruments. The surgical fixing device comprises a supporting frame, two parallel supporting plates are symmetrically and fixedly installed at the upper end of the supporting frame, and three limiting devices are fixedly installed in the middle of a bed board; an oil cylinder is fixedly installed in the middle of the upper end of the stabilizing plate, a piston rod part of the oil cylinder penetrates through the stabilizing plate and extends to the position below the stabilizing plate, a lifting plate is fixedly installed on the lower end face of the limiting column together, and at least two supporting clamps are slidably installed at the lower end of the lifting plate. According to the operation fixing device for clinical orthopedic spinal trauma, the limiting device and the supporting clamp are arranged, in the actual operation process, the upper limbs and the lower limbs of a patient can be limited and fixed at the same time, the fixing effect is guaranteed, the skin of the patient or an operative incision can be opened through the supporting clamp. The actual operation is simple and convenient, and the convenience of the operation is improved.

The invention discloses an arm operation fixing device for bone surgery department, and relates to the technical field of bone surgery operation instruments. The arm operation fixing device for bone surgery department comprises an automatic clamping mechanism, a self-adaption mechanism, an automatic disinfection mechanism and an adjusting mechanism. By arranging an automatic clamping mechanism, a self-adaption mechanism and an automatic disinfection mechanism, a sleeve rod is inserted into the upper surface of a supporting seat and sleeves the outer surface of a fixed rod, a second connecting pipe is inserted into the lower side of the fixed rod, the other end of the second connecting pipe is inserted into one end of an air cylinder, and an inserting shaft and a top shaft are inserted into a sliding rod; the lower end of the inserting shaft is fixed to the top shaft, the arm of a patient can be automatically fixed while being placed on the fixing device. Meanwhile, self-adaptive clamping can be conducted according to the size and shape of the arm of the patient, and the fixing effect is enhanced by improving the attaching degree between the arm and the arm; and after the operation is completed and the arm is taken down from the fixing device, the corresponding part on the fixing device can be automatically disinfected.

The invention discloses a self-supporting crotch postoperative fixation frame, which comprises a front waist arc plate and a back waist arc plate which are threadedly connected at the front and back of the waist, and the bottom of the front waist arc plate and the back waist arc plate Both ends are fixedly connected to the front crotch panel and the rear crotch panel that are suitable for the front and back abdomen, and there is a soft fabric between the bottom ends of the front crotch panel and the rear crotch panel; the two sides of the soft fabric Corresponding to the front crotch plate and the rear crotch plate are provided with leg holes; the lower sides of the outer surfaces of the front crotch plate and the rear crotch plate are rotated and connected to the leg brackets; the leg brackets are connected through several movable mechanisms; The bottom of the leg support is also provided with an elastic support mechanism; the crotch bone postoperative fixation frame of the present invention can improve the patient's activity space while keeping the patient's lower limb bone stable, and has a good effect on the postoperative patient's recovery and trauma stability. It has a promoting effect and is suitable for popularization and use in the field of bone postoperative recovery.

The invention discloses an orthopedic surgery fixing device, and relates to the technical field of medical auxiliary equipment. A supporting clamping seat is arranged on the upper side of the lifting seat, a supporting adjusting mechanism is arranged between the bottom of the supporting clamping seat and the lifting seat, the horizontal end of the supporting clamping seat is arranged on the lower side of the operating bed, the vertical end of the supporting clamping seat is arranged on the outer side of the operating bed, an open groove is formed in the vertical end of the supporting clamping seat, and a supporting block is arranged in the open groove; an air cylinder is fixed to the inner bottom face of the open groove, the pushing end of the air cylinder is fixedly connected with the bottom of a supporting block, a supporting base is fixed to the upper side of the supporting block, and a supporting clamping mechanism is arranged in the supporting base. The limb of a patient is limited and clamped through the clamping plates, so that the limb of the patient is more stable and does not deviate in the operation process, a good operation environment is provided for medical staff, meanwhile, adjustment can be conducted according to the requirements of the patient, clamping of the clamping plates to the limb is more fit, and the comfort of the patient is improved.

The invention relates to a medical appliance, in particular to an orthopedic backbone internal fixing system, which comprises an internal fixing device, an implanting and taking-out device (4) and a surgical fixing device (5). The internal fixing device comprises a first intramedullary fixing plate (1), a second intramedullary fixing plate (2) and an embedded elliptical cylinder (3); the first intramedullary fixing plate (1) is provided with a first bump (11); the second intramedullary fixing plate (2) is provided with a second bump (21); and one end of the embedded elliptical cylinder (3) is provided with a third through hole (31), the other end of the embedded elliptical cylinder (3) is conical, and the conical top end of the embedded elliptical cylinder (3) has a certain radian. According to the technical scheme, the backbone internal fixing system is easy to be implanted, is fixed well relatively, and is few in incision and trauma, free of stress shielding, easy in operation and low in surgical risk, a dilating angle is easy to be adjusted, and after the backbone internal fixing system is implanted, fracture reduction is good.

The invention discloses a surgical fixing device for the general surgery department. The surgical fixing device comprises a support and a platform, wherein the top end of the support is fixedly connected with the lower surface of the platform. The surgical fixing device further comprises a tray, a limb positioning mechanism, two view shielding mechanisms and a plurality of hanging rings, wherein the tray is detachably installed on the upper surface of the platform; the limb positioning mechanism is fixedly connected to the middle of the front side of the upper surface of the platform; the two view shielding mechanisms are fixedly connected to the left end and the right end of the front side of the upper surface of the platform respectively and are in bilateral symmetry relative to the center point of the platform; and the hanging rings are installed on the outer wall of the view shielding mechanism located on the left side at equal intervals from top to bottom. The placing angle and the fixing position of an affected limb can be adjusted according to the surgical operation convenience of a doctor, the surgical difficulty is reduced, shielding cloth is convenient to use and store and can be tightened when used, the problem that the affected limb is shielded is avoided, and the doctor can perform a surgery conveniently.

The invention relates to a fixed drag hook for radical operation of breast. The fixed drag hook is characterized in that the hook comprises a fixed rod, a length adjustment rod, an angle adjustment rod, a drag hook fixed rod, an adjustment cable and an elastic drag hook. The fixed drag hook is simple and ingenious in structure, is fixed at the side of an operation bed through the fixed rod; the skin edge of the breast in an operation area is pulled through the drag hook fixed rod and the elastic drag hook on the drag hook fixed rod so as to expose operation views; in the operation process, the pulling length can be adjusted through the length adjustment rod; and the pulling angle can be adjusted through the angle adjustment rod, so that exposure of the operation pulling is satisfied and the operation can be performed conveniently. With adoption of the fixed drag hook, the doctor who is specialized in pulling the hook is released and does more important clinical work; and meanwhile, large space can be emptied for operation, so that the doctor can conveniently operate; and the operation quality is improved.

The invention relates to the technical field of brain surgery assistant instruments and particularly relates to a fixing device for craniocerebral operation, and a using method of the fixing device. The fixing device comprises a device body, wherein the device body comprises a brain clamping mechanism used for brain clamping, a brain supporting plate mounted at the bottom of the brain clamping mechanism, and a brain tightening mechanism mounted at the top of the brain clamping mechanism. In the fixing device for craniocerebral operation and the using method thereof, by injecting water into a compass bar, the compass bar is deformed and expanded, the compass bar is clung to a brain outer wall, the traditional rigid support for fixing is avoided, damages to brain are reduced, meanwhile when tightly compressing the brain, the compass bar can receive a pressure feedback by the brain, the feedback pressure reacts on one side of the compass bar, so that the size of the compass bar can be adjusted automatically, fine adjustment on the compass bar is achieved, and the brain fixing effect is improved.

According to a kind of spinal pedicle fixation positioning guide system involved in the present invention, because it has the positioning guide device and the central management device that are connected to each other through sensor communication, the positioning guide device and the internal fixation surgery use opener, tapper and nail The central management device obtains and records the real-time three-dimensional coordinates of the sensor, and calculates the three-dimensional coordinates to obtain the correct open-circuit direction and open-circuit distance, and guides the internal fixation mechanism to operate based on the open-circuit direction and open-circuit distance. Therefore, The spinal pedicle fixation and positioning guide system of the present invention can quickly and accurately guide the internal fixation surgical instruments to quickly and accurately perform the spinal pedicle surgical fixation operation, and is simple to operate and easy to carry.

The invention discloses a positioning and fixing device for animal tibial surgery, which comprises a tibial positioning and fixing arm connected to an external fixing frame, and a popliteal fossa positioning unit, a knee fixing unit and an ankle fixing unit are arranged on the tibial fixing arm, and the tibial The surgical positioning and fixing arm is used to define and fix the standard surgical position of the animal tibia in tibial surgery, forming a small surgical environment operating platform for the three-dimensional standard image of the tibial surgery. The invention realizes the three-dimensional fixed-point surgical fixation of tibial orthopedic surgery in laboratory animals, and can ensure the repeatability of the tibial bone fixation needle puncture, fracture and segmental bone defect experimental models, and the repeatability of experimental animal tibial model surgical techniques. and data reliability. The present invention is supplemented with a three-dimensional three-dimensional adjustable fixation frame as an external fixation frame, so that the tibial positioning and fixing arm has a stable three-dimensional three-dimensional variability based on vertical and horizontal axes, and can provide the operator with the required surgical environment suitable position .

The invention discloses a fixation device for ophthalmic surgery, which comprises a base, a mandibular fixer and a forehead fixation assembly. A groove is opened on the top of the base for supporting the head; the mandibular fixer is arranged on the base for Fix the two mandibular shuttle lines of the patient, the mandibular fixator includes a support assembly, a drive assembly and a gripper, the support assembly is arranged on the base, and the angle and length of the support assembly can be adjusted, the drive The assembly is arranged on the support assembly, and there are two holding claws, which are arranged oppositely on the driving assembly. The driving assembly can drive the two holding claws to separate or close at the same time, and the forehead fixing assembly is arranged on the On the above-mentioned base, the length can be adjusted, and it is used to fix the patient's forehead. The fixation device for ophthalmic surgery can form support on the patient's forehead and two mandibular shuttle lines, thereby ensuring that the patient is fixed during the ophthalmic surgery.