284 results about "Cutting guide" patented technology

A method of preparing and / or delivering an osteochondral plug may include, positioning a tissue graft on a cutting guide, wherein the tissue graft may have been removed from a larger body of tissue to define a shaped surface. The tissue graft may include a top surface having a cartilage surface. The method may further include advancing a first cutter along a cutting direction toward the tissue graft to cut the tissue graft to form the osteochondral plug having an external wall parallel to the cutting direction and transverse to the top surface. Positioning the tissue graft on the cutting guide may include placing the shaped surface on a registration surface of the cutting guide. The registration surface may have a reference shape that corresponds to a shape of at least part of the shaped surface.

Guides, systems, and methods for maintaining, correcting and / or fusing joint deformities are disclosed. The guide system including a cut guide, an alignment guide, and at least one directional wire. The cut guide including a base portion, an extension member extending away from a bottom surface of the base portion, and at least one arm extending away from an end of the base portion. The alignment guide, including a base portion, a first extension member extending away from a bottom surface of the base portion in a first direction, and a second extension member extending away from the bottom surface of the base portion in a second direction. Methods of using a guide system for maintaining, correcting and / or fusing joint deformities are also disclosed.

The invention relates to the technical field of fine hole precision machining and surface treatment, and discloses a precision drilling device for winding machine accessories, which comprises a workbench, a main shaft driving unit is arranged on one side of the workbench, a compound tool is mounted on the main shaft driving unit, and the main shaft driving unit is used for driving the compound tool to rotate and axially feed; a clamping base is embedded and fixedly connected to the upper surface of the workbench and used for positioning and installing a workpiece, a fluid processing unit is arranged in the workbench, located below the clamping base and communicated with the clamping base, and a sealing guide assembly is arranged between the clamping base and the main shaft driving unit. The compound tool is divided into a cutting guide section at the front end, a fluid disturbance section at the middle end and a clamping section at the rear end in the axial direction. By means of the integrated design of the compound tool, two procedures are seamlessly connected under the same main shaft and clamp system, and accumulative errors caused by workpiece transferring and repositioning are thoroughly eliminated.

The invention relates to the field of composite sandwich panel processing equipment, in particular to a purified composite sandwich panel equidistant cutting device which comprises a cutting guide seat used for supporting, a limiting guide plate located at the position, close to the middle, of the inner end face of the cutting guide seat, and two sets of material guide rotating rollers located on the front portion of the inner end face of the cutting guide seat. When a sandwich panel is circularly processed, the gear motor can synchronously provide power for the guide device and the material guide rotating rollers through the transmission device, so that the front and rear groups of material guide rotating rollers can intermittently drive the sandwich panel to feed, and meanwhile, the guide device can be matched with the material guide rotating rollers to intermittently feed the sandwich panel; the cutting device is provided with the material guide rotating roller, so that circulating up-and-down reciprocating power is provided for the cutting device, a cutting tool in the cutting device can conduct circulating equal-distance cutting on the sandwich panel according to the feeding interval of the material guide rotating roller on the sandwich panel, and the processing efficiency of the equipment on the sandwich panel and the utilization efficiency of the power are effectively improved.

The invention discloses a positioning control method and system for metal cutting, and relates to the technical field of metal cutting. The method comprises the steps that when a laser cutting machine cuts a metal workpiece according to a cutting control scheme, a cutting monitoring data set is synchronously obtained; performing multi-dimensional cutting accident deduction according to the cutting monitoring data set to obtain a cutting accident deduction map; performing multi-degree-of-freedom adjustment on the cutting control scheme to obtain a first cutting adjustment space; performing cutting evaluation optimization on the first cutting adjustment space to obtain a second cutting adjustment space; performing cutting guarantee degree analysis optimization on the second cutting adjustment space to obtain a first cutting guide population meeting the preset cutting guarantee degree; and multiple rounds of propagation optimization are carried out, a cutting adjustment optimization result is determined, and optimized positioning control is carried out on the metal workpiece. The technical problems that in the prior art, the metal cutting positioning precision is insufficient, and the cutting process stability is poor are solved, and the technical effect of improving the metal workpiece cutting positioning precision and the cutting process stability is achieved.

The invention discloses a metal material high-precision cutting system, which belongs to the technical field of metal processing, and comprises a platform body provided with a carrying guide rail and a cutting guide rail, the carrying guide rail is provided with a jig assembly, and the cutting guide rail is provided with a double-shaft walking mechanism of which the end part is provided with an actuator; a pecking drill cutting assembly integrated with an air blade chip removal assembly is arranged on the side face of the actuator. By arranging the pecking drilling cutting assembly, the voice coil motor drives the saw blade to achieve high-frequency micro-amplitude reciprocating motion, pecking drilling type cutting is formed, cutting resistance and thermal stress are effectively reduced, and casting microcracks and saw blade tooth breakage are avoided; a monitoring piston can provide buffering and vibration reduction, resistance is fed back in real time through an air pressure sensor so as to dynamically adjust a double-shaft walking mechanism, a protective cover and an air blade chip removal assembly cooperate, a front nozzle removes surface impurities and cuttings in a kerf, a rear nozzle conducts sweeping and cleaning, and it is ensured that the kerf is clean and effectively cooled.

A glenoid implant system, for example, includes a glenoid implant and a glenoid cutting guide. The glenoid implant includes a body having a concave surface with a first curved edge portion and a second curved edge portion, and an attachment surface having a concave edge portion joined to the second curved edge portion of the concave surface. The concave surface and the attachment surface are disposed at an angle. The glenoid cutting guide includes a body having a convex surface engageable with a surface of a glenoid cavity and a cutting guide surface for resecting a cutout in a glenoid cavity, the cutout having a curved edge portion corresponding to the second curved edge portion of the glenoid implant.

An instrument system includes a first cut guide and an actuation instrument. The actuation instrument includes an upper portion having a handle and a first cannulation, and a lower portion releasably couplable with the upper portion. The lower portion includes a shaft, a second cannulation, wherein the second cannulation is coaxial and in fluid communication with the first cannulation, and a paddle configured to abut a resected surface of a first bone. The instrument system also includes a compression mechanism releasably couplable with the lower portion, the compression assembly couplable with the first bone and a second bone The compression assembly includes an actuator configured to bias at least one of the first bone and the second bone toward the other of the first bone and the second bone. A method for using the instrument system is also disclosed herein.

Instruments, devices, systems and methods for maintaining, correcting and / or fusing joint deformities are disclosed. Guide systems including an alignment block and a cut guide removably coupled to the alignment block. Osteotomy guides including an alignment block and a cut guide removably coupled to the alignment block. Osteotomy guides including a body, a first alignment member coupled to and extending away from a superior surface of the body, and a second alignment member coupled to and extending away from an inferior surface of the body. Methods of assembling and using the osteotomy guides and systems for maintaining, correcting and / or fusing joint deformities are also disclosed.

The invention belongs to the technical field of aircraft structure design, and discloses a fuselage frame preparation process and a fuselage frame. According to the fuselage frame preparation process, preparation of the first woven preformed body and the second woven preformed body is achieved through the weaving operation of the weaving machine, the preparation efficiency and the structural integrity of the first woven preformed body and the second woven preformed body are improved, and the influence of manual operation on the fuselage frame forming quality is avoided. The preparation of the first weaving body and the second weaving body is realized by cutting operation of cutting guide parts arranged on the first weaving auxiliary core mold and the second weaving auxiliary core mold in advance, so that the preparation precision is guaranteed, and the forming quality of the fuselage frame is improved. The invention further provides the machine body frame, the machine body frame is prepared through the machine body frame preparation technology, the manual operation participation degree is reduced in the machine body frame preparation process, the influence of manual operation errors on the forming quality of the machine body frame is avoided, the forming quality and forming efficiency of the machine body frame are improved, and the manual labor intensity is relieved.

The utility model relates to the technical field of mica tape winding, in particular to a winding device for mica tape production, which comprises a supporting bottom plate, a supporting plate is fixedly connected to the edge of one side of the top surface of the supporting bottom plate, and a winding motor is fixedly connected to the center of the top of one side surface of the supporting plate. The output end of the winding motor penetrates through the supporting plate and is fixedly connected with a connecting sleeve. Through the rotating cutting guide roller and the annular cutting knife, the mica tape can be guided and wound to the outer portion of the clamping half roller through the cutting guide roller, meanwhile, the mica tape can be cut off through the rotating annular cutting knife in the guiding process, cutting in the guiding process is achieved, the mica tape is cut in the winding process, and the production efficiency is improved; and by rotating the two transmission lead screws, the two annular cutting knives can be driven to slide on the outer wall of the cutting guide roller, and then the distance between the two annular cutting knives is adjusted, so that the cutting width can be adjusted, and the practicability is improved.

A knife and associated guide for the cutting of fibrous batt insulation products, as well as rigid foam board insulation products are described. The knife has a handle and blade, each oriented so as to maximize the ability to pull the blade through the material to be cut, while minimizing the muscular effort and strain required of the user. The guide is configured to easily compress batt insulation products and to be easily moved over the products for improved efficiency.

The invention is suitable for the field of meat processing and production, and provides an intelligent recognition method and system for the three-dimensional contour of boned meat based on image recognition, and the method comprises the steps: carrying out the multi-modal image collection of frozen boned meat, and capturing a surface crack pattern; analyzing the crack pattern to construct a topological network model; reconstructing a bone-meat three-dimensional holographic model based on the topological network model, and marking joint, marrow cavity and bone mineral density abnormal areas; identifying potential skeleton weak points; generating a double-path cutting guide line; cooperative operation and visual presentation of the guide lines are controlled through dynamic compensation. Precise recognition and intelligent cutting guide of the internal skeleton structure of the boned meat are achieved, the segmentation precision and efficiency are improved, and the method is suitable for the field of meat processing and the like.

The invention relates to a plastic pipe cutting guide device and a using method. The plastic pipe cutting guide device comprises an operation table, a first pipe diameter positioning module and a second pipe diameter positioning module which are located at the two ends of the operation table correspondingly and used for positioning a plastic pipe, and a plurality of sets of first annular frames and second annular frames are oppositely arranged on the operation table and surround the plastic pipe diameter in an interactive mode; the arc-shaped groove is formed in the middle of the operation table, the air pressure cushion is arranged in the arc-shaped groove to enhance the positioning stability, the cutting arm assembly composed of the linear bearing guide rail is integrated, a cutting tool (a saw blade or a cutting knife) is forcibly restrained to move along a preset absolutely straight path, and the problems that due to manual shaking, a notch is inclined, and burrs are too many are fundamentally solved. The section of the notch is smooth and flat and is always perpendicular to the axis of the pipe, secondary finishing is not needed, and the sealing performance and reliability of follow-up pipe fitting connection are greatly improved.

Kinematic couplings for affixing an end effector to a robotic arm covered in a surgical drape are provided. A kinematic coupling can include one or more attachment mechanisms for affixing the kinematic coupling to the robotic arm with or without piercing the surgical drape positioned thereover. The kinematic coupling can be configured to interchangeably engage with a number of different end effectors, including surgical instruments, cutting guides or jigs, tool holders, and so on.

The disclosure includes devices for assisting in performing an ankle arthroplasty on a non-resected bone surface of a tibia and / or a talus. The devices may include patient-specific mating surfaces configured to engage the non-resected bone surface in a single relative position relative to the non-resected bone surface. The patient specific nature of the mating surface portion may be generated in the devices prior to the devices being brought into contact with the bone. The devices may include various cutting guides and holes for receiving fasteners to fasten the devices to the bone. The devices may include various features to enhance the stability and / or surface area contact between the devices and the bones.

Disclosed is a guide plate for use in a woodworking cutting guide, having a body. The body has a first surface and a second surface opposite to each other along the thickness direction of the body. Multiple through-holes extend through the body. Along the thickness direction, the body is sequentially formed with a guide hole, a mounting hole, and a recess. The guide hole communicates with the mounting hole and extends to the second surface. The mounting hole communicates with the recess, which extends to the first surface. A tapered surface forms the wall of the guide hole, thereby limiting and positioning a guide bushing along the radial direction of the guide hole.

The utility model discloses a transverse stretching and pre-cutting guide roller mechanism for a thin film production line, and belongs to the technical field of thin film production. The stretching device mainly comprises a stretching assembly which comprises a supporting frame. The discharging assembly comprises a bottom plate, two sets of supports are installed on the bottom plate, and a certain distance is formed between the two sets of supports; mounting grooves are formed in the support in a penetrating mode, a material roller is placed between the two mounting grooves, roller shafts are arranged at the two ends of the material roller, and containing grooves matched with the roller shafts are formed in the bottom faces of the inner walls of the mounting grooves. Roller shafts at the two ends of the material roller are sleeved with fixing sleeves, annular grooves are formed in the fixing sleeves, the support is in threaded connection with two sets of screws, one ends of the two sets of screws are in bearing connection with pressing blocks, and annular protruding parts matched with the grooves are installed on the pressing blocks. According to the guide roller mechanism for transverse stretching and pre-cutting of the thin film production line, it is guaranteed that the material roller is stably placed and discharged through the discharging assembly, disengaging is avoided, and rotation is stable.

Bone deformity correction devices and methods of using such devices to correct bone deformities. The device can include an elongate body, an adjustable manipulation arm movably coupled to the elongate body, wherein the adjustable manipulation arm is configured to move axially and laterally, and a cutting guide removably attachable to the device elongate body.

The utility model relates to a guide pipe winding device which is used for achieving the technical purposes of automatic pipe winding and accurate adjustment of winding specifications. The device comprises a pipe supplying mechanism, a winding mechanism, a pipe clamping assembly and a transferring assembly. The pipe supply mechanism achieves continuous pipe supply through a guide piece, a first pipe finger clamp and a pipe cutting assembly, a pipe cutting translation air cylinder drives a pipe cutting guide piece to move, and it is ensured that the cut-off pipe keeps the clamping length. The winding mechanism is composed of a rotating disc, two sets of winding columns and a stroke controller, and a push rod is accurately controlled to ascend and descend through a servo driving module. The transferring assembly drives the pipe clamping assembly and the pipe coiling clamping assembly to move pipes cooperatively, and the pipe clamping assembly clamps a guide pipe through a lifting pipe clamping air cylinder and transfers the guide pipe to a coiling station. According to the device, automatic feeding, precise winding and damage prevention design are integrated, and the production flexibility and efficiency are remarkably improved.

The utility model relates to an aerated brick trimming device which comprises a bottom plate, cutting racks are arranged on the two sides of the upper end of the bottom plate, and cutting guide rails are arranged in the cutting racks. The utility model relates to the technical field of aerated brick finishing. When the aerated brick edge cutting device is used, the positions of four supporting plates are adjusted correspondingly till the positions of the four supporting plates make contact with the outer wall of a cut aerated brick, at the moment, the purpose of fixing the aerated brick can be achieved, clamping plates can be suspended at any angle through arrangement of embedding grooves and embedding pins, the four sets of clamping plates are independent of one another, and the clamping plates are convenient to use. By rotating the clamping plate, the clamping plate presents an inclination angle, and then when the outer wall of the air-added brick makes parallel contact with the clamping plate, the air-added brick can be effectively and obliquely fixed, so that the air-added brick can be fixed at multiple angles, the air-added brick can be cut at multiple angles in cooperation with cutting equipment, and the applicability of the equipment can be effectively improved.

The utility model relates to the technical field of slate picture processing, and provides a slate picture cutting guide frame which comprises two supporting seats, the tops of the two supporting seats are both movably connected with sliding pieces, scale marks are arranged on the rear side of one supporting seat, a pointer is arranged on the rear side of one sliding piece, and the scale marks are arranged on the two supporting seats. Racks are fixedly embedded in the two supporting seats, gears are movably embedded in the two sliding pieces, and the two gears are meshed with the racks. When the device is used, through the arrangement of the limiting block and the first sliding block structure, the position of the guide plate can be fixed, and the guide plate can be conveniently fixed; compared with the prior art, the step of manually fixing the guide plate is omitted, meanwhile, the pointer and the scale marks are used, personnel can clearly observe the moving degree of the guide plate, and therefore the position of the guide plate can be rapidly and visually adjusted, the complicated manual adjusting step is further reduced through the simplified operation mode, and working efficiency is improved.

A cut guide includes a first face and an opposed second face. The cut guide further includes a first aperture and a second aperture extending through the cut guide from the first face to the second face. The first and second apertures are configured to guide a surgical tool in cutting a bone. The cut guide further includes a first hole extending through the cut guide from the first face to the second face. The cut guide further includes a second hole extending through the cut guide. A central axis of the second hole is oriented at an acute angle to the second face. The first and second holes are configured to receive a wire to position the guide against the bone.

A packaging bag (100) is provided with a cutting guide tape (60A) extending in a tape shape along a transverse direction from a side end portion (81) toward another side end portion (82). The cutting guide tape (60A) has, in order from the upper end portion (84) side, a first guide tape having a plurality of first cutting lines inclined at a predetermined angle with respect to the transverse direction and arranged in parallel with each other, a second guide tape having a plurality of second cutting lines in the form of sewing lines inclined at a predetermined angle with respect to the transverse direction in the opposite direction to the first cutting lines and arranged in parallel with each other at a predetermined interval, and a third guide tape having a plurality of third cutting lines inclined at a predetermined angle with respect to the transverse direction in the same direction as the first cutting lines and arranged in parallel with each other. Between the first guide tape and the second guide tape and / or between the second guide tape and the third guide tape, there is provided a fourth cutting line in the form of a sewing line extending along the transverse direction.

The invention discloses a cutting assembly of a bidirectional rotating double-independently driven knife saw for stone cutting, which is used to be installed at the lower end of a bridge cutting guide column for cutting, and is intended to cut straight seams on the longitudinal surface of the stone. The invention is characterized in that it has two independently driven large and small disk saws on the same cutting line, which can adjust the height and tilt angles of the large and small disk saws, and can also rotate the large and small knives to positions suitable for cutting for cutting. When the small knife cuts to a cutting depth, the large knife rotates to deepen the cutting along the small knife seam. The small knife cuts first and the large knife deepens the cutting along the small knife seam. Such a large and small size matching can make the knife seam narrower, reduce the loss of stone, and when used in conjunction with a transverse cutting band saw to make the knife seam narrow, the transverse cutting band saw can be used to cut an integrated corner stone with unequal thickness on both sides and variable angle, the stone loss is small, the corner angle is adjustable, and stones with unequal thickness on both sides can be cut according to market demand, so that the loss of precious stone is greatly reduced.

The present application relates to the technical fields of cutting guide device, and particularly relates to an adjustable large steel cutting guide device, which comprises a cutting box, a cutting wheel, a cutting knife, a transmission base, a plurality of rotating rollers, a plurality of driving motors, two guide sliding blocks, two hydraulic rods and a plurality of guide wheel sets. The rotating rollers rotate under the driving of the driving motors to transport the steel. The two hydraulic rods are used to push the guide sliding blocks inward from both sides. The outer surface of the guide sliding block is arc-shaped, which is used to preliminarily adjust the position of the steel. The push rod is used to adjust the pushing distance. The guide seat is used to install the guide wheel. The guide wheel is used to limit the steel and continue to transport. The plurality of push rods on both sides of the transmission base can be matched to gradually adjust the position of the steel, so that the steel can be accurately and vertically fed into the cutting box for processing. Thus, the problem that the existing large steel cutting guide device is prone to cause the steel to be misaligned or inclined before entering the cutting device, resulting in low cutting precision, is solved.

A hair cutting guide consisting of a first handle adapted to be held by a user and having a distal end and a proximal end, a second handle adapted to be held by a user and having a distal end and a proximal end; and a guide member comprising a plurality of parallel comb teeth, each extending along a length from a proximal end to a distal end. The distal end of the first handle and the distal end of the second handle are each attached to opposing lateral sides of the guide member; the comb teeth are attached to one another; and a depth of the comb teeth perpendicular to the lengths of the comb teeth increases from being relatively shallow at the proximal ends of the comb teeth to relatively deeper at the distal ends of the comb teeth to define a taper for haircutting.

The present application provides a total knee arthroplasty robot auxiliary system, a control method, electronic device and a computer readable medium. The auxiliary system comprises: a preoperative planning system configured to formulate a preoperative plan, preoperative plan data including a knee joint image; an intraoperative planning system configured to formulate an intraoperative plan, wherein the knee joint image in the preoperative plan and a knee joint surface contour of the patient determined in an operation are subjected to image registration, knee joint dynamic spacing force line data at a continuous flexion-extension angle is acquired, a dynamic spacing force line data graph is visually displayed, and a prosthesis plan is adjusted according to the visual display of the dynamic spacing force line data graph to obtain the intraoperative plan; and an executing system, wherein a bone-cutting guide mounted at an operating end of a mechanical arm of a surgical robot is guided to be located in a planned predetermined position according to the intraoperative plan, and the bone-cutting guide is configured to locate a bone-cutting saw.

To provide a device and method for unicondylar tibial implants.SOLUTION: A tibial implant cutting guide comprises a plate to engage a resected surface, and an elongate slot extending through the plate along an axis, the elongate slot having first and second longitudinal walls extending parallel to the axis, and a first end wall perpendicular to the axis, the first and second longitudinal walls are spaced apart by a prescribed distance and the width of the first end wall is at least as wide as the distance. A method of arthroplasty comprises: resecting a tibia to form a resected surface; advancing a cutting head in a cutting slot to engage flush with a flat first end of the cutting slot to form a bone channel; and inserting a keel into the bone channel. A method of manufacturing a tibial template comprises forming a longitudinal cutting slot in a plate and forming a widening of the cutting slot at an end of the cutting slot.SELECTED DRAWING: Figure 1A

The utility model discloses a glass edge protection strip online cutting stacker crane which comprises a machine frame, an electric box body installed in the machine frame, a guide groove installed on the machine frame and used for stacking glass edge protection strips, a guide groove pressing plate arranged above the guide groove, a cutting mechanism installed on the machine frame and located at the inlet end of the guide groove, and a stacking mechanism installed on the machine frame and located at the outlet end of the guide groove. The cutting mechanism comprises a cutting guide seat for placing the glass edge protecting strip, a guide opening formed in the cutting guide seat, a cutting blade arranged above the cutting guide seat, an air cylinder driving mechanism for controlling the cutting blade to perform lifting operation, and a blade heating mechanism for heating the cutting blade; the glass edge protecting strip online cutting stacking machine solves the problems of precision, efficiency, durability and flexibility in the glass edge protecting strip cutting and stacking process, is suitable for a large-scale production environment, and improves the production efficiency and the product quality.