36 results about "Disc repair" patented technology

The present invention provides methods and devices for annulus disc repair with and without the use of a patch or stent. The methods and devices are particularly suited to the repair and/or reconstruction of the spinal disc wall (annulus) after surgical invasion or pathologic rupture, with reduced failure rate as compared to conventional surgical procedures.

A sterile implant for treatment of a spinal disc defect comprising an allograft cortical bone demineralized to a Type I collagen having a specific shape which is treated to eliminate osteoinductivity. The implant is lyophilized and compressed into smaller first shape which 20 to 80% from its original shape in at least one dimension and hardened. The implant expanding when hydrated into a second shape having the shape memory of the first shape and expanded in dimensional size from the first compressed shape.

Methods for facilitating access to the intervertebral disc to deliver materials for disc repair are disclosed. The methods may be used to replace or augment nucleus pulposus as well as to perform interbody fusion procedures. These methods include providing access to the intervertebral disc space by drilling a channel through a vertebral bone, optionally accessing the intervertebral disc space to at least partially remove the disc tissue through the channel in the vertebrae; delivering a disc repairing material to the intervertebral disc space and back-filling the channel in the vertebrae with a channel sealing material. The methods may further comprise distracting the intervertebral height and inserting a restrictor into the channel in the vertebrae. Kits for practicing these methods are also disclosed.

Devices, systems, and methods are provided for treating intervertebral discs. In one embodiment, the systems include instruments for implanting the disc repair devices in a minimally invasive manner. The methods are directed to the minimally invasive implantation of one or more of the disc repair devices to within the intervertebral disc.

A combined grinder with multiple grinding heads for grinding the straight rolling track and slide block on the track is composed of a machine body, two vertical columns, a transverse beam installed to said vertical columns, a tool carriage on said transverse beam, 2-4 grinding heads (including vertical and horizontal grinding heads), and an abrasive disc repairing device.

The invention discloses a powder stirring device for grinding disc repair. The powder stirring device comprises a stirring barrel; a fixed separation plate is fixedly connected into the stirring barrel; a driving motor is fixedly connected to the top of the stirring barrel; a rotating shaft is arranged in the stirring barrel, and is slidingly connected with a vibration screen plate; the rotating shaft is fixedly connected with a fixed piece; two ends of the fixed piece are hinged with connecting rods; the tail ends of the connecting rods are hinged with rolling devices; the bottoms of the rolling devices are rotationally connected with rolling rollers; the bottom of the rotating shaft is fixedly connected with a stirring rod; a cam is arranged in the stirring barrel; the bottom in the stirring barrel is rotationally connected with a rotation shaft; a discharge motor is fixedly connected to the side wall of the left side of the stirring barrel; and a reciprocating discharge plate sleeves the rotation shaft, and is slidingly connected with the fixed separation plate. The stirring barrel can effectively crush caked powder in the use process to achieve high powder stirring efficiency and excellent powder stirring effect; and the stirred powder is discharged through left-right movement of the reciprocating discharge plate to provide convenience for use by people.

The invention discloses a grinding device with adjustable grinding height, which comprises a fixed frame, the top of the fixed frame is fixedly connected with the bottom of the motor, the output end of the motor is fixedly connected with the top end of the output shaft, and the bottom of the output shaft end penetrates the top of the fixed frame and extends to the inside, the surface of the output shaft is equidistantly provided with three through holes, and the inside of one of the through holes is sleeved with a fixed rod, and the bottom end of the output shaft is sleeved with a sleeve Tube. The grinding device with adjustable grinding height is provided with a fixed frame, an output shaft, a through hole, a fixed rod, a sleeve, a grinding disc, a card slot and a support rod. When disassembling the grinding disc, the fixing rod is pulled out and the sleeve is removed. And the grinding disc, separate the grinding disc and the support rod, after the repair or replacement of the grinding disc, insert the sleeve into the grinding disc, connect the corresponding support rod to the inside of the slot, and select the appropriate height.

The invention relates to a method for repairing the disc shear blade via built-up welding, comprising following steps: (1) removing abraded edge to process it into disc shear blade base plate with D1 diameter; (2) acid cleaning derusting; (3) using carbon steel to prepare disc repair element whose outer diameter is D2, inner diameter is D1 and the thickness is same with base plate while the D2-D is 12-30 mm and the two surface of inner edge has annular grooves; (4) integrating the repair element and base plate; (5) preheating the welding bar and using the metal comprising W, Mo, V, and Cr to built-up weld welding bar; (6) preheating the integrated disc shear blade; (7) processing several built-up welding to repair the grooves of inner edge; (8) keeping disc shear blade in 450-550Deg. C for 0.8-1.2 hours; being cooled to 10-30Deg. C; keeping it in 480-560Deg. C for 0.8-1.2 hours to be tempered; (9) processing mechanical machining to attain repaired disc shear blade with smooth surface and D outer diameter, while it has better rigidity and abrasion resistance. The inventive shear blade has same machining ability with new blade, while it utilizes waste blade to reduce the producing cost.

An automatic system for repairing scratches on optically-read discs, (e.g., compact discs often called "CD's" or DVD's). More specifically, an automatic system for refurbishing a plurality of disc surfaces at substantially the same time, such that when refurbished, an optical reader, which uses a laser to read digital information stored on such a disc, can read the digital information on the disc without the optical distortion caused by a scratch.

The invention belongs to the technical field of automobile automatic gearbox reproducing, and particularly relates to a gantry clutch friction steel disc repairing device and a reproducing method thereof. The gantry clutch friction steel disc repairing device reproducing method including the following steps: first, a friction steel disc wheelabrator is used to carry out stress peening on a friction steel disc, second, the gantry clutch steel disc repairing device is used to cope the friction steel disc, grinding wheels with different marks are used to cope the friction steel disc, generally, a coarse grinding wheel is first used for preliminary grinding, and then a fine grinding wheel is used for fine grinding and repairing, and reproducing of the friction steel disc is completed. According to the gantry clutch friction steel disc repairing device and the reproducing method thereof, grinding through mechanical equipment replaces traditional manual grinding, grinding equipment is compact, scientific and reasonable in structure, batch and even repairing of the friction steel disc is achieved, the production efficiency and the reproducing machining accuracy of the friction steel disc are improved, and the success rate of one-time automobile loading of a reproduced automobile gearbox is improved.

The invention relates to the technical field of transmission maintenance and machining, in particular to a conical disc repairing assembly system for the remanufacturing of an automobile continuously variable transmission. The conical disc repairing assembly system comprises a rotation station conversion device and a machining device, wherein the rotation station conversion device is used for driving a conical disc to perform station conversion among three stations; the machining device is used for machining the conical disc and comprises a grinding mechanism mounted at the first station and a polishing mechanism mounted at the second station. When the conical disc repairing assembly system is used, the grinding mechanism grinds the conical disc at the first station, the ground conical disc is moved to the second station through the rotation station conversion device, the polishing mechanism polishes the conical disc, the polished conical disc is moved to the third station through the rotation station conversion device, the third station is an empty station, the machined conical disc is taken out from the third station, and conical discs can be continuously machined in a circulating manner.

The invention relates to a blade position fixing method used in the integral blade disc repairing process in the technical field of aviation manufacturing. The method comprises the steps that the periphery of a residual blade root of a to-be-repaired blade is covered with a metal film, and the metal film is closely attached to the profile of the residual blade root; metal powder is sprayed to theperiphery of the metal film, a clamping block is formed after the preset thickness is reached through spraying, and accordingly rigidity of the blade root is enhanced; heat treatment is conducted on the clamping block formed after spraying, and accordingly the mutual combination mechanical performance between particles of the metal powder in the clamping block is improved; and the clamping block is assembled to the periphery of the residual blade root, and a clamping clamp is arranged on the outer side of the clamping block for fixing the blade position. The problem that in the linear frictionwelding repairing process, blade clamping position fixing is not reliable, and deformation is likely to be caused is solved, and it is guaranteed that the profile quality of the repaired blade is notinfluenced.

Therapeutics and methods of treatment to repair, preserve and grow cartilage are presented. In addition, systems and methods for delivering a therapeutic to a hard to reach anatomical area, such as, for example, the BCI, are presented. A cannulated delivery device provided with a cutting tip, cutting flutes and threads on its distal end is disclosed, as well as therapies for joint and cartilage repair, preservation and generation using it. Alternatively, for disc repair, a “PIARES” device for Percutaneous Intradiscal Annular Repair introduces therapeutics intradiscally. The device may have two-needles; a first cannula/needle with a finger grip, and a longer inner needle to penetrate through the outer needle into the disc, and introduce therapeutics via a syringe. When provided with a septum at the inner needle's proximal end, the PIARES device is a completely closed system; using it minimizes trauma.

The invention relates to the field of disc repair, in particular to a hard disc magnetic head separator. The hard disc magnetic head separator comprises a separator body, the separator body is of an angle breaking type structure, a grabbing part is arranged on one side of the angle breaking type structure, the grabbing part comprises a facade body, at least three separation bodies which are used for being inserted between elastic clamping pieces on the front portion of a magnetic head arm are arranged on the facade body in parallel, the separation bodies extend in the direction away from the facade body, the thickness of the separation bodies is used for being suitable for a ballistic interval of stiffness coefficients of the elastic clamping pieces, a rotating shaft used for being inserted in a rotating shaft hole is fixedly arranged on the other side of the angle folding type structure, and the rotating shaft and the grabbing part extend in the same direction and are parallel. The hard disc magnetic head separator is easy to operate, and the safety of magnetic head separation is improved.

The invention discloses a grinding disc welding and repairing equipment, which comprises a device main body, welding equipment and a high-frequency welding machine. The welding equipment is arranged on the upper left side of the device main body, the welding equipment is embedded in the device main body, and the left side of the device main body is installed. There are high frequency welding machines. This kind of disc welding repair equipment has a protective cover in the welding torch. The protective cover is made of stainless steel and has the characteristics of pressure resistance and high temperature resistance. During welding, the sparks generated by welding can not splash around and avoid damage to the welding work. There is a high-frequency welding machine on the left side of the welding equipment. The function and use of the high-frequency welding machine are not only for single welding, but also for diathermy, smelting, heat treatment and other processes, so that the grinding disc can be welded and heated for repairing. , There is a water-cooled torch in the welding equipment, which can cool the welded grinding disc, increase the cooling time of the grinding disc, make the grinding disc cool quickly, and improve the work efficiency of the grinding disc welding repair.

The invention relates to the technical field of brake disc repair, and discloses a fan brake disc in-cabin repair method and a fan brake disc in-cabin repair structure, the specific size of a damaged part is obtained by entering a site for scribing and surveying and mapping, and the size of a panel is determined according to the specific size of the damaged part; the panels are designed according to panel size data determined on site, and the shapes, threaded holes, pin holes and grooves of the panels are machined; the brake disc enters the site again, the damaged part of the original damaged brake disc is marked according to the size and appearance of the panel, and cutting, plane machining, groove machining and detection are conducted according to the marked part; a panel, a bolt, a pin and a welding assisting mode are adopted for repairing, namely, a main rigid body framework is constructed by adopting the shearing resistance and the tensile resistance of the pin and the high-strength bolt and local friction force formed by the clamping force of the high-strength bolt, a welding seam strength assisting mode is adopted, Q345 is selected as the panel material, the tensile strength is 490 MPA to 62OMPA, the tensile strength meets or even exceeds the tensile strength of base metal, and the service life of the panel is prolonged. The toughness is far better than that of base metal.

The invention discloses a control method for aero-engine bladed disc repair and three-dimensional reconstruction and application of the control method. The control method comprises the steps that Step1, a motion planning controller is connected with a six-degree-of-freedom industrial robot controller and a rotary workbench servo driver; 2, the aeroengine blisk is installed on the rotary workbench; 3, a D-H method is used for constructing a coordinate system of six robot space connecting rods and a rotary workbench; step 4, controlling an industrial robot and a rotary workbench to work through a motion planning controller, and carrying out repair forming and surface strengthening three-dimensional trajectory reconstruction planning on the blisk of the aero-engine; according to the method, the fast exploration random tree algorithm and the forward and backward inverse kinematics algorithm are embedded in the motion planning controller to automatically calculate the advancing path of the robot, aero-engine blisk repair forming and surface strengthening three-dimensional trajectory reconstruction tasks can be completed, and the method has the advantages of being good in control robustness and high in repair and reconstruction precision.