29 results about "Hook wire" patented technology

The invention relates to a winding method of an inductance coil, which comprises the following steps of: fixing a wire rod, hooking the wire rod by a crochet hook, hooking the wire rod by a wire hook, unhooking the crochet hook, lifting the crochet hook and reversely rotating by a certain angle to separate the crochet hook from the wire rod, and continuously rotating a wire hooking disc until one end of the wire rod with a wire end is completely wound on the periphery of the wire hooking disc. Winding: a wire clamping mechanism drives the wire to perform arc-shaped winding action, and the wire is moved to the position above the magnetic ring and crosses an inner hole of the magnetic ring; and the steps are repeated, so that the wire is uniformly wound on the magnetic ring. According to the wire winding method, the wire is wound on the periphery of the wire hooking disc, the size of the wire storage mechanism can be greatly reduced, the wire is in a controlled state in the winding process, the phenomena of winding, knotting and the like are avoided, the tail of the wire cannot float disorderly, and the problem that an insulating layer is scratched can be effectively solved. And a longer wire can be wound by using equipment with a smaller size, so that the space of a plant is saved.

The present application relates to a kind of luffing winding system installation method of spud leg crane.The installation includes the following steps: when luffing wire rope is threaded, luffing wire rope is wound into pulley block reel: arm support is in 3 ° shelf state and luffing wire rope is installed;After luffing wire rope is retracted after arm support is lifted to 12 °;After luffing wire rope is tightened after arm support is lifted to 16.65 °: main hook threading: main hook wire rope is pulled into pulley block and main hook reel by using guide rope;By using two main hook reels reverse pulling, realize the pre-tightening force of main hook wire rope safety number;Sub-hook threading: using guide rope to pull sub-hook wire rope into fixed and movable pulley block in reverse.The present application has the advantages that: when installing, arm support angle is reduced to 3 °, and redundancy waste of luffing wire rope is avoided by using tooling guide rope;When main hook threading, by using two main hook reels reverse pulling, realize the pre-tightening force of wire rope safety number;During sub-hook threading process, avoid multiple pulley block pre-tightening force winding lifting movable pulley during threading process.

The utility model relates to an automatic shelling and grinding machine of a thread hooking frame. Comprising a rack and a feeding device, a working table is arranged at the upper end of the rack, a rotating disc is arranged in the center of the working table, a plurality of clamps are arranged on the rotating disc in a circular array mode, the rotating disc rotates by one clamp position every time, and a pushing device, a secondary pressing device, a detecting device, a grinding device, a removing device and a discharging device are further sequentially arranged on the working table on the outer side of the rotating disc. The material pushing device pushes the thread hooking frame conveyed by the feeding device to the clamp to be clamped by the clamp, the secondary material pressing device is used for ensuring that the thread hooking frame is clamped in place, the detection device is used for checking whether the thread hooking frame is in place or not, if not, automatic shelling and polishing can be conducted, shutdown and alarming are conducted, and the grinding device is used for grinding a pouring gate of a thread hooking frame base. The material removing device is used for removing a machining sleeve of the thread hooking frame, and the material falling device is used for pushing the thread hooking frame with the machining sleeve removed on the clamp, so that the thread hooking frame is conveyed to a collecting position through the output device. By the adoption of the grinding machine, full-automatic machining can be achieved.

1. The name of this design product: Folding wire strippers. 2. Application of the product with this design: used for stripping wires, cutting wires, crimping wires, crimping terminals, cutting wires, hooking wires, breaking nails, splitting wires, clamping, tightening screws, joining wires, and tightening pipes. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. Designate Design 1 as the base design.

The utility model discloses a curtain hook steel wire forming mechanism, and relates to the technical field of forming mechanisms. The device comprises a forming machine body, a supporting arm and a forming arm, the supporting arm and the forming arm are arranged on one side of the forming machine body, a forming head used for steel wire bending forming is arranged on one side of the forming arm, and a cutter is arranged on the top end face of the end, close to an oil containing tank, of the supporting arm. According to the curtain hook steel wire forming mechanism, through the arranged lubricating mechanism, before steel wire materials such as steel wire ropes are bent, lubricating oil and other lubricants are brushed on the surfaces of the steel wire materials through the lubricating mechanism, so that when the steel wire materials are bent, internal friction of the steel wire materials can be reduced, and completeness of the steel wire materials is guaranteed; and the lubricant can provide corrosion prevention for the interior and the exterior of the steel wire material, corrosion is reduced, and it is guaranteed that the curtain can smoothly move through the formed steel wire hook.

Various systems and methods of delivering an implant to a target location of a body vessel are disclosed. A detachment system can include a tubular body including a lumen extending therethrough and a distal tube on a distal end of the tubular body. A loop wire can be affixed at a first end to the tubular body and can include a loop opening positioned approximate a distal end of the distal tube. A pull wire can extend through the lumen. A hook wire can extend radially through a sidewall of the distal tube and into the lumen. The hook wire can be positioned around a pull wire portion and tensioned such that the pull wire portion abuts the distal tube and provides frictional resistance between the pull wire portion and the sidewall of the distal tube. The frictional resistance can be effective to inhibit premature detachment of the implant.

Various systems and methods of delivering an implant to a target location of a body vessel are disclosed. A detachment system can include a tubular body including a lumen extending therethrough and a distal tube on a distal end of the tubular body. A loop wire can be affixed at a first end to the tubular body and can include a loop opening positioned approximate a distal end of the distal tube. A pull wire can extend through the lumen. A hook wire can extend radially through a sidewall of the distal tube and into the lumen. The hook wire can be positioned around a pull wire portion and tensioned such that the pull wire portion abuts the distal tube and provides frictional resistance between the pull wire portion and the sidewall of the distal tube. The frictional resistance can be effective to inhibit premature detachment of the implant.

The invention provides an intelligent parallel hook wire clamp, and belongs to the field of electric power monitoring, the intelligent parallel hook wire clamp comprises a wire clamp body, the middle part of the wire clamp body is rotatably connected with a fastening bolt, the upper part of the side surface of the wire clamp body is provided with a solar module, and the lower part of the side surface of the wire clamp body is provided with a monitoring module. An access point wire of a power system is connected through the parallel groove clamp, after connection, power is provided for the monitoring module through the solar module, the temperature and the load of an access point are monitored in real time through the monitoring module, when abnormal data occur, information can be timely informed to workers, and the working efficiency is improved. According to the method, a worker can quickly arrive at a data abnormal point for repair, the fault frequency of the power system is reduced, the fault point can be quickly positioned after the power system has a fault, the worker does not need to inspect, the labor intensity of the worker can be reduced, the overall use effect is good, and the practicability is high.

The embodiment of the utility model discloses a double-hook wire lifting device which comprises a rack, a first hand wheel, a second hand wheel, a first gear set, a second gear set, a first rack, a second rack, a first hook and a second hook, the first gear set is installed on the rack and connected with the first hand wheel, the first gear set is in transmission connection with the first rack, the second gear set is in transmission connection with the second rack, and the second gear set is in transmission connection with the second rack. The first gear set is installed on the rack and connected with the first hand wheel and used for driving the first rack to move in the first direction, the first rack is connected with the first hook, the second gear set is installed on the rack and connected with the second hand wheel, the second gear set is in transmission connection with the second rack and used for driving the second rack to move in the reverse direction of the first direction, and the second rack is connected with the second hook. The first hand wheel drives the first gear set to drive the first rack to move, the first rack drives the first hook to move, the second hand wheel drives the second gear set to drive the second rack to move, and the second rack drives the second hook to move, so that the wire can be easily lifted, the labor intensity is reduced, and the working efficiency is improved.

The utility model relates to a stitching instrument and an outer tube assembly. The outer tube assembly comprises an outer tube and a thread hook. A first receding opening is formed in the side wall of the far end of the outer pipe. The thread hook is rotatably arranged in the far end of the outer tube, one end of the thread hook enters the first avoiding opening when the thread hook executes a thread hooking action, and the opening wall of the first avoiding opening is used for enabling the thread hook to stop rotating in the first rotating direction when the thread hook abuts against and is matched with the thread hook. On one hand, the thread hook can be prevented from rotating in the first rotating direction through abutting and limiting of the opening wall and the thread hook, namely, the rotation stopping function is achieved, and therefore the thread hooking reliability and stability are improved; and on the other hand, the thread hook cannot be interfered by the side wall of the far end of the outer tube in the switching rotation process of the thread loosening position and the thread hooking position, so that the size of the thread hook can be relatively increased, the reliability and stability of the thread hook can be improved, and the suture thread is prevented from loosening. In addition, the structural strength can be improved, deformation is not prone to occurring when the device is stressed, and the material cost can be reduced.

The utility model discloses an anti-unhooking wire harness support which comprises a support body, the upper end face of the support body is provided with wire ducts, the wire ducts comprise a main wire duct, three branch wire ducts and three vertical wire ducts, the three branch wire ducts are transversely arranged at different positions of the main wire duct respectively and face the same direction, and the three vertical wire ducts are bent downwards. A plurality of wire clamping buckles and a plurality of wire clamping blocks are fixedly arranged on the side wall of the wire groove, one side of each wire clamping buckle is hinged to the wire groove, a bayonet is formed in each wire clamping buckle, each wire clamping buckle is connected with the corresponding wire clamping block in a clamped mode through the corresponding bayonet, and an anti-disengaging block is arranged on each wire clamping block. The main wire duct, the branch wire duct and the vertical wire duct can fix the wire duct, so that the wire harness is kept in a fixed shape, and the wire clamping buckle can be buckled on one side of the wire harness, so that the wire harness cannot fall off from the wire duct, and the use of the wire duct is facilitated.

The utility model relates to a positioning wire which comprises a positioning hook, a positioning mark sleeve and a guide wire, a positioning mark is arranged on the positioning mark sleeve, an operation mark is arranged on the guide wire, and the hook wire near end of the positioning hook and the far end of the guide wire are fixedly connected with the positioning mark sleeve in the mode that the positioning mark sleeve is pressurized and deformed. And the positioning hook, the positioning marking sleeve and the guide wire are connected into a whole. The three sections of the positioning wire can respectively adopt different materials and different processing technologies according to requirements, so that the positioning wire meets the design requirements at corresponding parts, the processing difficulty is reduced, and the cost is effectively reduced.

The utility model belongs to the field of wire rod processing equipment, and provides a hook line frame one-step forming hook bending device which comprises a bottom plate, stand columns, a top plate, a lower die assembly and an upper die assembly. Wherein the stand column is vertically connected to the bottom plate; the top plate is slidably connected to the columns; the lower mold assembly comprises a lower outer mold and a mold core which are connected to the bottom plate, and further comprises a separating plate connected to the mold core, and the lower outer mold is matched with the mold core to form an arc-shaped channel allowing an injection molding body on the wire hooking frame to pass through in a matched mode and an arc-shaped notch allowing a wire hook on the wire hooking frame to stretch out of the arc-shaped channel. A supporting conical surface which is coaxial with the arc-shaped channel is also formed on the lower outer mold; the separating plate is matched with the lower outer mold to form a feeding hole and a discharging hole which are connected to two ends of the arc-shaped channel; the upper die assembly comprises a final bending die sleeve connected to the top plate and a pre-bending die connected to the final bending die sleeve, and an inner conical surface coaxial with the bearing conical surface is formed on the final bending die sleeve.

This article is a fitting for wall-mounted installation of a display such as a television receiver. As shown in the "Reference Diagram Showing the Names and Usage States of Each Part", fix the wall mounting part of this article to a wall surface or the like, cover the hook part, and hook wires or the like attached to the back of the display on the hook part to install the display on the wall.

The invention discloses an automatic steel wire hooking and pulling process for environment-friendly recovery of waste tires, which comprises the following steps: S1, mechanical preparation of tire hooking and pulling components: preparing a group of inclined feeding conveyor belts from bottom to top, a group of tire double-hook wire drawing machines, a conveyor belt for discharging and a tire grabbing manipulator, the top end of the tire double-hook wire drawing machine is provided with a feeding hopper, and the feeding hopper is designed to be of a flat structure, S2, equipment assembling and building are conducted, specifically, the inclined conveying belt prepared in the step S1 from bottom to top is installed on the side position of the double-hook wire drawing machine through a conveying belt support, and the conveying belt for discharging in the step S1 is installed under a discharging opening of the double-hook wire drawing machine; and the grabbing manipulator is mounted on the side position of the feeding conveying belt, so that the recovery processing speed of the waste tires is greatly increased, the labor intensity of workers is reduced, meanwhile, the labor cost resource investment is reduced, the recovery cost of the waste tires is reduced, the economic benefits of enterprises are maximized, and good structure practical operability is achieved.

The present invention relates to the technical field of hook nail equipment, specifically to an automatic stamping and forming equipment for hook nails and its use method, which is characterized in that: it includes a nail making machine body, on which an automatic feeder, a punching mechanism and a stamping and forming die are provided. The automatic feeder is used for intermittently vertically downward conveying of the hook wire. The punching mechanism is used for punching connection holes on the hook wire through which the nail wire can pass. The stamping and forming die includes a male die and a female die. The male die is arranged on the punch head, and the female die is arranged on the clamping die seat. The male die can cut off the hook wire and, with the cooperation of the female die, stamp the cut hook wire into a hook arm. Moreover, with the cooperation of the clamping device, the male die can stamp the end of the nail wire into a nail head and rivet and fix the hook arm to the nail wire. The overall structure of the present invention is novel, practical and reliable. Only through one stamping and forming, the hook nail has good firmness, high finished product quality, simplifies the processing procedures, effectively improves the production efficiency, and can bring better economic benefits to the enterprise.

A bridging wire-hooking mechanism for a pin-type winding machine. The wire-hooking needle is installed on the wire-hooking needle seat, and the wire-hooking needle and the wire-hooking needle seat can slide freely on the slider guide rail; the angle of the groove determines the installation angle and sliding angle of the wire-hooking needle sliding component; the mounting flange can rotate freely with the support; when the curve-rotating flange rotates, it drives the cylindrical pin to slide in the radial direction, and the power of the curve-rotating flange is provided by a servo motor (not limited to servo motors) connected thereto, so as to accurately control the radial sliding distance of the wire-hooking needle, adjust the angles of the mounting flange and the wire-hooking needle seat to ensure that the wire inlet hole of the wire-hooking needle is aligned with the enameled wire, realize the transition of the enameled wire from one groove to another wire groove, and ensure the smooth progress of the next winding.

The invention discloses a dynamic and static load inspection device for a double-hook tightener. The dynamic and static load inspection device comprises a horizontal inspection frame, a fixed pull seat, a hydraulic mechanism with a pressure sensor, a movable pull seat, two connecting pull heads, a tightening control assembly, a deformation detection assembly and an inspection control system. The testing method comprises the following steps: S1, hooking double hooks of the double-hook tightener with two hooking ends of testing equipment respectively; s2, controlling the hooking end of the test equipment to be far away until the tension value of the double-hook tightener reaches a preset value; s3, a tightening device of the double-hook tightener is controlled to work until the double-hook tightener is shrunk to a preset value, and meanwhile, the tension value of the double-hook tightener is controlled to be maintained within the deviation range allowed by the preset value; and S4, stopping controlling the tightening device, and controlling the tension value of the double-hook tightener to be maintained within the deviation range allowed by the preset value until the preset time. According to the invention, automatic dynamic and static load detection of the double-hook tightener can be realized.

The utility model discloses be applied to the wire harness clamp jaw mechanism in wire harness winding bandaging equipment, including manipulator, and manipulator mobile end is equipped with the connecting disc, and the connecting disc bottom is equipped with wire harness clamp jaw subassembly, wire harness pressure assembly, connector clamp jaw subassembly and wire tail positioning hook claw subassembly in proper order, wire harness clamp jaw subassembly realizes stable clamping through the jaw of 90 degree angle arrangement, and wire harness pressure assembly axial pressure tight wire harness prevents loose, and connector clamp jaw subassembly fixed wire harness end connector, and wire tail positioning hook claw subassembly hooks wire tail. The utility model passes through the cooperation of multiple components, has solved the problem that the existing mechanism clamps not steady, wire harness loose, connector positioning inaccuracy and wire tail improper handling, has promoted the winding precision and production efficiency.

This utility model discloses a detachable high-strain combined guide frame, including a base, a support, a pulley block hook, a guide mechanism, a crossbeam, and a limiting device. The support is mounted on the base. The pulley block hook includes a hook mounting frame, a first half-ring hook, a second half-ring hook, a first pulley, a second pulley, a hook wire rope, and a limiting wire rope. The hook mounting frame slides vertically on the support. One end of the limiting wire rope is connected to the limiting device through a rope loop, and the other end passes sequentially over the second pulley and the first pulley before connecting to the middle position along the length of the hook mounting frame. In this utility model, the hook mounting frame moves upward along the slide rail on the support, preventing the first and second half-ring hooks from shifting or swaying. The first and second pulleys ensure that the force applied to the hook mounting frame by the lifting equipment is upward at the center position, thereby ensuring that the weight below is not eccentric and greatly improving the accuracy of the detection.

The utility model relates to the technical field of steel wire rope groove-disengaging-preventing devices, in particular to a crown block hook steel wire rope groove-disengaging-preventing device which comprises a bottom plate and a steel pipe. A steel pipe is arranged in the middle of the top end of the bottom plate, the anti-disengaging assembly is installed at the top end of the steel pipe, the guide assemblies are arranged at the top end of the bottom plate, the guide assemblies are installed on the two sides of the steel pipe, and the anti-disengaging assembly comprises an installation support installed at the top end of the steel pipe. Limiting springs are oppositely installed at the bottom ends of the installation supports, anti-disengaging baffles made of rubber are arranged at the top ends of the limiting springs, and the anti-disengaging baffles are arranged above the steel pipes. Through the arrangement of the limiting spring and the anti-disengaging baffle, self-adaptive adjustment can be conducted according to real-time displacement of the steel wire rope, when the steel wire rope tends to disengage from the groove, the steel wire rope is pulled back to the normal position, the stable state of the steel wire rope in the pulley groove is continuously maintained, the groove disengagement risk is effectively reduced, and the service life of the steel wire rope and the pulley groove is prolonged.

The present application relates to a filter recovery device, comprising: a sheath, which is hollow; a spork tube, which is hollow and slidingly arranged in the sheath, a distal end of the spork tube being provided with a spork; a retrieval forceps assembly, which is slidingly arranged in the spork tube, the retrieval forceps assembly comprising an inner rod, oppositely arranged upper and lower forceps, and a control structure for controlling the relative approach and departure of distal ends of the upper and lower forceps, the upper forceps being rotationally arranged relative to the inner rod about a first axis, the lower forceps being rotationally arranged relative to the inner rod about a second axis, the first and second axes being arranged in parallel, a distal end of the inner rod being arranged between the upper and lower forceps, the distal end of the inner rod being provided with an inner hole for threading a hook wire.

1. The name of this design product: Folding scissors wire strippers. 2. Application of the product with this design: used for stripping wires, cutting wires, crimping wires, crimping terminals, cutting wires, hooking wires, breaking nails, splitting wires, clamping, tightening screws, joining wires, and tightening pipes. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The application discloses a kind of continuation wire rope device and method for deep water salvage, it is related to offshore shipwreck salvage salvage technical field, including shipwreck, crane ship and be installed on the crane ship deck crane, crane ship deck stern is equipped with ship stern side jack, deck bow is equipped with ship bow side jack;80t anchor machine is equipped with ship stern side jack one end, the other end is equipped with wave compensator;The ship bow side jack one end is equipped with the rope container for storing ship bow side wire rope, two main hook wire ropes are equipped on the crane, the main hook wire rope is equipped with triangular plate, the main hook wire rope is completed by ship bow side wire rope and wire rope B for continuation or removal, and the lifting force can be switched when wire rope is continued by triangular plate;Ship stern side jack is used to bear the action force of shipwreck when wire rope is continued or removed;Ship bow side jack is used for temporarily fixing wire rope B in seawater when wire rope B is continued or removed on the crane of crane ship.

The utility model relates to a kind of split type anti-vibration hammer, including anti-vibration hammer main part and anti-vibration hammer pre-lay wire, anti-vibration hammer main part is mainly by riveting aluminium pipe, big hammer head, steel strand, upper hook wire clamp, lower cover wire clamp, small hammer head is formed;Steel strand passes through wire clamp connecting hole, middle part is connected by crimping, steel strand is well connected with wire clamp, steel strand both ends are inserted into riveting aluminium pipe pressure tightly fixed, both ends are inserted into big hammer head, small hammer head connecting hole respectively, and be connected by riveting aluminium pipe both ends stamping into horn mouth, riveting fixed, the utility model structure is simple, and it occupies small space;Big hammer head and small hammer head adopt streamline design, appearance is round and smooth, and counterweight is reasonable, effectively suppresses the slight wind vibration caused by overhead OPGW optical cable;Effectively reduce wind blowing resistance, and anti-accumulation water drainage hole is set in the lower of big hammer head, small hammer head and steel strand connecting hole, avoid rainwater to stay for a long time, because rainwater stays for a long time to cause steel strand end rust, lead to hammer head to fall off hidden danger.

The utility model relates to the technical field of commutators, in particular to a multi-hook commutator convenient for winding, which comprises a bakelite powder body, an insulating ring and a fixing assembly used for fixing the position of the insulating ring, the bakelite powder body is provided with first commutator segments and second commutator segments, one second commutator segment is arranged between two adjacent first commutator segments, and the insulating ring is arranged between the first commutator segments and the second commutator segment. The first commutator segment comprises a first contact piece and a first hook part, the second commutator segment comprises a second contact piece and a second hook part, the first contact piece is embedded into the bakelite powder body, the first hook part is fixedly connected with the first contact piece, the second hook part is arranged on the second contact piece in a sliding mode, the outer side wall of the insulating ring is provided with an extension end, and the extension end is connected with the first hook part. According to the bakelite powder body, the second hook parts are made to move in the axial direction in the winding tin soldering process, the second hook parts and the first hook parts are arranged in a staggered mode, and the advantages that winding is convenient, and the bakelite powder body is suitable for multiple hooks are achieved.

The application relates to the technical field of ear hanging wire, and discloses a C-shaped ear hanging wire processing technology which comprises the following steps: S1, flattening a circular steel wire to obtain a cuboid-shaped steel sheet; S2, manufacturing the steel sheet into a steel pipe, wherein the section of the steel pipe along the vertical steel pipe axis is in an arc shape; and S3, shaping the steel pipe into a C-shaped structure. In actual use, the ear hanging wire manufactured through the technology is in a C-shaped structure and has a threading channel, so that the threading is facilitated, the rubber coating effect is good, and the appearance is beautiful.

The utility model discloses a string hook line seat preventing winding with a main line, which comprises a protective sleeve, a connecting ring is arranged in the protective sleeve, an anti-winding sleeve is arranged below the protective sleeve, the protective sleeve comprises a horizontal pipe part and a vertical pipe part, the vertical pipe part is arranged in the middle position below the horizontal pipe part, the anti-winding sleeve comprises a connecting part, and the connecting part is arranged in the middle position below the vertical pipe part. The connecting part is arranged outside the vertical pipe part in a sleeving mode, and the connecting part is in interference fit with the vertical pipe part. According to the utility model, the anti-winding sleeve is sleeved outside the sub-wire to limit the sub-wire, so that the anti-winding effect is realized; the anti-winding sleeve and the protective sleeve are in interference fit, detachable connection of the anti-winding sleeve is achieved, when a sub-wire needs to be replaced, the anti-winding sleeve is taken down, the sub-wire penetrates through the anti-winding sleeve and then is connected to the connecting ring, and then the protective sleeve is sleeved with the anti-winding sleeve. And the replacement of the sub-line is simpler and more convenient.

The utility model discloses an electric hook wire cutter, which relates to the technical field of medical instruments and comprises a handle assembly and a shifting block assembly, the handle assembly comprises a handle piece, a sliding block groove is arranged on the handle piece, an inner rod seat groove and an outer pipe groove are arranged on the inner wall of the sliding block groove, the shifting block assembly comprises a sliding block, the bottom end of the sliding block is connected in the sliding block groove in a sliding manner, and an outer pipe connecting groove is arranged on the sliding block. The novel surgical suture cutter is reasonable in design structure, by means of the design of integrating the suture hooking function and the suture cutting function, a doctor can complete the suture cutting action under the condition that operation is not interrupted, and therefore the suture efficiency in the operation process is remarkably improved; a doctor can complete the thread trimming action only through one-hand operation, the needle holder does not need to be repeatedly put down and the scissors do not need to be repeatedly taken up, the hand fatigue of the doctor in the operation process is greatly relieved, the operation experience is improved, due to the fact that operation is easier, more convenient and faster, operation time can be shortened, and then the risk of a patient is reduced.