67results about "Needles" patented technology

Disclosed is a suturing needle having a thread attachment portion and a ramp portion comprising a tapered portion extending from a proximal end of the needle to cover at least a portion of a suture thread swaged in the thread attachment portion. The tapered portion of the ramp portion provides a smooth transition from a diameter of the suture thread to a diameter of the needle body. The tapered transition portion allows for engaging the suture needle on rollers of a rotational needle driver in one smooth motion. The suturing needle includes a hollow flexible extension component having a distal end and a proximal end, the distal end connected to the proximal end of the thread attachment component, and the proximal end attached to the distal end of the tapered extension ramp portion. The suturing needle can include a combination of flexible and non-flexible sections and / or a combination of straight and curved sections.

The utility model discloses a probe processing and bending device which comprises an operation table, a side plate is connected to the position, close to the left side, of the top of the operation table through bolts, a penetrating groove is formed in the position, close to the bottom, of the side wall of the side plate, a movable table is arranged in the penetrating groove in a penetrating mode, and the bottom of the movable table is connected to the top of the operation table in a sliding mode. A transverse plate is connected to the position, close to the top, of the right side of the side plate through bolts, a first electric push rod is connected to the position, close to the right side, of the top of the transverse plate through bolts, a bent plate is connected to the bottom of the first electric push rod through bolts, and a containing groove is formed in the top of the moving table. According to the technical scheme, through mutual cooperation of the nut, the butt joint plate, the movable table, the supporting plate and other components, the position of the bending device can be conveniently adjusted, so that the bending device can be bent from different positions, the bending efficiency of the bending device is improved, effective supporting can be conducted, the bending device can effectively abut against the supporting device, and the stability and the use efficiency are improved.

The invention relates to the field of metal stamping equipment, and discloses a stamping die for circular machine needle blank forming, which comprises a stamping platform, a stamping support is arranged at the top of the stamping platform, and a male die is arranged at the bottom of the stamping support; the connecting support is arranged on the stamping platform, two middle modules are arranged on the connecting support, first grooves are formed in the middle modules, two side modules are further arranged on the connecting support, the height of the side modules is lower than that of the middle modules, and second grooves are formed in the side modules. Compared with the prior art, in order to solve the problems that a small-size circular knitting needle blank is small in dead weight, small in interface gap and prone to retention after mold opening due to end special-shaped embedding, the female mold forming face is divided into the middle mold set and the side mold set, and the side mold set is driven to actively move downwards and be separated in the return stroke stage of the male mold; and the end part forming surface is firstly withdrawn and the enveloping constraint is relieved, so that the workpiece is prevented from being ejected out in an unbalanced loading manner by depending on an ejector pin or an ejector plate in a state that the end part is still clung to the cavity.

The invention relates to the technical field of medical instruments, and particularly discloses a force control bending and pressing method and device for a sensor probe and a production line. The method comprises the steps that the probe is inserted into an assembly hole of a sensor shell; a bending actuator is driven to apply bending force to the probe part protruding out of the assembly hole, and a first pressure value in the bending process is collected in real time; when the first pressure value reaches a preset first pressure threshold value, the bending actuator is controlled to stop; a pressing actuator is driven to apply pressing force to the probe part, and a second pressure value in the pressing process is collected in real time; when the second pressure value reaches a preset second pressure threshold value, the pressing actuator is controlled to stop, bending and pressing of the probe are completed, the bending and pressing method is matched with the corresponding bending and pressing device, the automatic bending, pressing and assembling process of the continuous blood glucose monitoring sensor probe is achieved, and the production yield and production efficiency of flexible sensors are improved.

The invention discloses a disposable acupuncture needle milli fire needle and a preparation method thereof, the milli fire needle comprises a needle body and a needle handle, the needle body is made of stainless steel, the length is short, and the needle diameter is thin; the needle handle is made of medical plastic or metal materials, is long, and provides a safe distance and stable holding for operation. The preparation method mainly comprises the steps of needle body forming, needle handle injection molding or metal tube locking and pressing or metal wire winding forming, fixed connection of the needle body and the needle handle, post-treatment, terminal sterilization and packaging and the like. By means of the collaborative design of the specific short and thin needle body and the long handle, filiform needling and minimally invasive treatment of a fire needle therapy are achieved, the needle has the advantages of being small in trauma, low in pain and safe and convenient to operate, and the disposable sterile quality of a product is ensured through standardized preparation.

The utility model relates to dental flushing needle bending equipment based on hot air heating, which comprises a base assembly, a needle body fixing device, a hot air heating device and a bending actuating mechanism, and the needle body fixing device comprises a positioning base plate, a supporting vertical plate and a conical joint which are sequentially arranged along the axis direction; the hot air heating device comprises a heating shell, an electric heating element and an air guide pipe set, a plurality of air outlets in different axial directions are formed in the tail end of the air guide pipe set, and the air outlets surround the to-be-bent area of the flushing needle to form an annular hot air curtain. The bending executing mechanism comprises a height adjusting assembly, an angle adjusting assembly and a linear driving device, and a bending forming roller capable of rotating around the axis of the flushing needle is arranged at the telescopic end of the linear driving device. The utility model provides a dental flushing needle bending device based on hot air heating. The problems that an existing dental flushing needle bending device is low in efficiency, poor in precision, insufficient in universality, uneven in heating, prone to damaging a needle body during bending and the like are solved.

The utility model relates to the technical field of textile machinery, and discloses high-precision and high-consistency single-face knitting needle bending equipment which comprises a base, a positioning assembly and a rack assembly. According to the high-precision and high-consistency single-side knitting needle bending equipment, through mutual cooperation of the positioning assembly, the rack assembly and the bending assembly, the effect of double-sensor closed-loop control can be achieved, two photoelectric sensors can monitor the positions of the two ends of a single-side knitting needle in real time, and if transverse deviation exists, the single-side knitting needle can be accurately bent. If the single-side knitting needle is pressed, the servo motor is driven to adjust the transverse position of the bending assembly, it is ensured that bending points are accurately aligned, the ultrasonic sensor embedded in the bending cavity can detect the bending height or angle of the single-side knitting needle after pressing is completed, the bending height or angle is fed back to the PLC for secondary correction, such as pressure supplementing work, and the bending accuracy is improved. And finally, high-precision and high-consistency bending work can be achieved, the deformation part of the single-face knitting needle is suspended above the bending cavity in the bending process, collision with the positioning block is avoided, and friction interference is reduced.

The present invention relates to a textile tool (1) with a hook for use in textile machines. In order for the textile tool (1) to be suitable for use in high-speed textile machines and for processing difficult-to-process yarns, while simultaneously offering a long service life and cost-effective manufacturing, the cross-sectional area (X(s)) of the hook (3) increases along a linear coordinate (s) starting from the hook tip (5) and decreases again after reaching a maximum cross-sectional area (Xmax).

The utility model provides an acupuncture needle handle outer surface embossing device, and belongs to the technical field of acupuncture needle processing. The acupuncture needle handle outer surface embossing device comprises an adjusting assembly and an embossing assembly, firstly, an acupuncture needle can be clamped and fixed through an elastic clamping base, an embossing block is moved through a hydraulic cylinder, embossing treatment can be conducted on an acupuncture needle handle through cooperation of the embossing block and an embossing plate, a lifting plate can be moved through an electric push rod, and the acupuncture needle handle can be conveniently and rapidly embossed. The acupuncture needle can be moved, the embossing length for processing an acupuncture needle handle is controlled, continuous and smooth height adjustment can be achieved through an electric push rod, and more flexibility and variability are achieved; as an elastic clamping seat is slidably clamped with the output end of a hydraulic cylinder, an embossing block is convenient to disassemble and assemble by adopting a clamping connection mode; furthermore, the diversified or flexible height requirement of the acupuncture needle can be conveniently met, meanwhile, the embossing block can be conveniently replaced, different embossing requirements can be conveniently met, and therefore the practicability is improved.

The invention relates to the technical field of metal wire machining or processing, in particular to an ignition needle bending system and method, and the ignition needle bending system comprises a base, a bending mechanism, a bending mechanism and a bending mechanism, the ignition needle body is arranged in the fixing hole and is partially exposed; the bending pieces are arranged on the base, the multiple sets of bending pieces are arranged in the axial direction of the ignition needle body, and the multiple sets of bending pieces are configured to cover the to-be-bent part of the ignition needle body; a driving unit; an input module; and a control module. Accurate acting force is applied to different portions of the ignition needle through the multiple independent bending pieces, the displacement amount and speed of each push head are calculated through the control module according to the input bending function, independent control instructions are generated, each push head can push the ignition needle to deform according to the preset track, and therefore the ignition effect is improved. In this way, the deviation of the bending angle can be controlled within an extremely small range, and various complex bending shapes can be accurately achieved.

The utility model relates to microwave needle manufacturing technical field, proposes a kind of positioning device of superfine diameter water-cooled microwave needle miniaturization manufacturing, including base, the upper end fixed mounting of base has processing device, processing device includes driving rod, two groups of limit shell are fixedly installed in the both sides of driving rod, two groups of fastening ring are slidably installed in the outside of driving rod, the outside of two groups of fastening ring is fixedly installed with slider, the side of two groups of slider mutually far away is rotatably installed with multiple groups of anti-deviation guide wheel, water-cooled microwave needle is placed in the upper end of base, is stamped by starting processing device, driving rod drives two groups of fastening ring to slide in the inside of limit shell and moves down, the torsion that occurs in the process of being pressed down by two groups of fastening ring to processing device is limited, simultaneously by the inside sliding of anti-deviation guide wheel in limit shell, so that anti-deviation guide wheel and the inner wall of limit shell contact, can play guiding and anti-deviation effect in the movement process of processing device.

A method of fabricating a microneedle is disclosed, including: applying a force to a conductive wire to create a friction weld between the wire and a substrate; extruding the wire and interrupting the wire bonding process; and applying a wire weakening process at a desired microneedle length to cause the wire to break at the desired microneedle length. A microneedle array includes a substrate and a plurality of solid microneedles provided on the substrate. Adjacent microneedles may have different heights and different diameters. The substrate defines a plurality of microfluidic channels each having a channel outlet, the channel outlets provided adjacent the bases of the plurality of solid microneedles to enable drug delivery.The method and array overcome issues with needle stick injuries and needle phobia, and can be used without direct medical supervision, thus reducing healthcare expenditure.

The utility model relates to the technical field of probe card processing devices, and discloses a probe bending device for a temperature sensor, which comprises an operation table, the top end face of the operation table is fixedly connected with a frame body, and the top of the operation table is provided with a bending assembly. According to the probe bending device for the temperature sensor, the bending requirements of probes at different angles are met by adjusting the angles of the bending plate and the limiting plate, frequent equipment switching is not needed, the equipment can meet the bending requirements of the probes at different angles on one probe card, the flexibility and the utilization rate of the equipment can be improved, and the working efficiency of the equipment is improved. The limitation that a traditional device can only be bent by a fixed angle is solved, the probe is limited through the fixing buckle, when the probe is bent, the probe is bent, meanwhile, the fixing buckle can rotate along with the probe, it is ensured that the probe is accurately positioned in the bending process, accurate bending can be achieved, and the position of the probe is prevented from deviating in the bending process.

In one aspect, the dual bevel needle can include a hollow tube having a proximal end, a distal end, a first lateral side, and a second lateral side opposite the first lateral side; a first needle point at the distal end of the hollow tube; a second point at the distal end of the hollow tube; a first bevel on each of the first lateral side and the second lateral side, the first bevel comprising a first bevel angle relative to a longitudinal axis of the tube; and a second bevel on each of the first lateral side and the second lateral side, the second bevel having a second bevel angle relative to the longitudinal axis of the tube, wherein the first and second bevels each form a portion of an ellipse, the ellipse having an inner cutting edge and terminating in the first and second needle points at the distal end of the tube, the second bevel angle being shallower than the first bevel angle, the second bevel being located adjacent the proximal end of the first bevel, and the inner cutting edge converging to a narrow heel.

In one aspect, the dual bevel needle can include a hollow tube having a proximal end, a distal end, a first lateral side, and a second lateral side opposite the first lateral side; a first needle point at the distal end of the hollow tube; a second point at the distal end of the hollow tube; a first bevel on each of the first lateral side and the second lateral side, the first bevel comprising a first bevel angle relative to a longitudinal axis of the tube; and a second bevel on each of the first lateral side and the second lateral side, the second bevel having a second bevel angle relative to the longitudinal axis of the tube, wherein the first and second bevels each form a portion of an ellipse, the ellipse having an inner cutting edge and terminating in the first and second needle points at the distal end of the tube, the second bevel angle being shallower than the first bevel angle, the second bevel being located adjacent the proximal end of the first bevel, and the inner cutting edge converging to a narrow heel.

The invention relates to the field of traditional Chinese medicine instrument manufacturing, in particular to a preparation method of a sterile disposable traditional Chinese medicine fire needle, which comprises the following steps: selecting a 316L stainless steel wire with the diameter of 1.2 mm + / -0.02 mm, drawing the 316L stainless steel wire to the target diameter of 0.5-1.0 mm through a precise cold drawing process, and then cutting the stainless steel wire into the length of 30-40mm. And then needle point grinding is carried out, an oblique angle of 30-45 degrees is formed, and the surface roughness Ra is smaller than or equal to 0.2 micron through electrolytic polishing. Meanwhile, the high-temperature ceramic heat insulation connecting piece with aluminum oxide or zirconium oxide as a main component is prepared. And the needle head and the ceramic connecting piece are connected through a high-temperature adhesive, and initial curing and high-temperature curing are completed. And then the ceramic connecting piece and the needle seat are assembled to form the standard injector connector. And finally, carrying out 25-30kGy gamma ray sterilization on the finished product, sealing and packaging in a medical grade Tyvek / polyethylene composite film, and continuously using for more than 30 minutes at high temperature without deformation.

A non-magnetic fine stainless steel processed product having a tapered tip formed of a stainless crystal structure having a crystal grain size of 1 µm or less, at a tip end part of a body part formed of fine stainless steel, by a manufacture method including a tapered slope forming step of forming a tapered slope by cutting diagonally fine stainless steel, a tapered tip crush-forming step of forming a tapered tip by subjecting a tip end part of the tapered slope to warm crushing that is performed by keeping the tapered slope at a plastic deformation temperature of 200°C or more and 300°C or less with a temperature variation of 30°C or less, and a tapered tip trimming step of trimming the tapered tip.

The utility model relates to the technical field of lithium battery pole piece manufacturing, in particular to a needle head bending jig which is applied to needle head bending and comprises an installation block body, and a bending groove is formed in one end of the installation block body in the first direction. A groove is formed in the bending groove in the second direction, and the needle head is inserted into the groove in a matched mode and bent along the bending groove. Wherein the first direction is perpendicular to the second direction; a first limiting plate is slidably connected to the mounting block body in the second direction. The first limiting plate is located on one side of the needle head in the bending direction and used for abutting against the needle head when the needle head is bent to a preset angle. The existing mode of bending a needle head to form a bent needle head by adopting needle-nose pliers is difficult to grasp in force, and the needle head is easy to break or the bent part of the needle head is pressed to be sunken, so that the needle head is scrapped.

The utility model provides medical suture needle production and processing equipment, belongs to the technical field of medical instruments, and aims to solve the problems that the existing suture needle cutting equipment is low in cutting precision, the lengths of suture needles are easily inconsistent, and an accurate and convenient adjusting device is lacked when a stainless steel wire is positioned. The two sets of side baffles are symmetrically arranged and fixedly installed on the upper end face of the operation table, and the inner end faces of the side baffles are flush with the front edge and the rear edge of the empty groove; and the fixing plate is fixedly installed on the upper end face of the operation table, the left end face of the fixing plate is flush with the right end surface of the empty groove, and a placing frame of a U-shaped structure is fixedly installed on the upper end face of the fixing plate. According to the stainless steel strip cutting device, the pressure sensor is fixedly installed at the front end of the sliding plate, when a stainless steel strip touches the pressure sensor at the front end of the sliding plate, the pressure sensor can transmit a signal to the controller, the controller controls the electric cylinder to be started, and therefore the stainless steel strip can be cut into the preset length.

The application discloses a negative pressure drainage guide needle bending equipment and a method thereof, and belongs to the technical field of bending equipment. The equipment comprises a rack, the rack is connected with a directional feeding assembly for automatically adjusting the rotation state of a guide needle to be bent and automatically feeding, the rack is connected with an automatic unloading conveying assembly for clamping and moving the guide needle to be processed and automatically unloading, the rack is further connected with a bending and cutting edge assembly for bending and cutting off the bevel, the bending and cutting edge assembly comprises a lifting support assembly and a bending and cutting assembly, the lifting support assembly and the bending and cutting assembly are fixedly connected with the rack, the bending and cutting assembly is connected with the lifting support assembly, and the bending and cutting assembly is connected with the automatic unloading conveying assembly. Through the above mode, the directional feeding assembly is used for automatic feeding, the automatic unloading conveying assembly is used for automatic clamping, driving the guide needle to shift and automatic unloading, and the bending and cutting edge assembly is used for synchronous bending and cutting.

The invention belongs to the technical field of acupuncture needle production equipment, and discloses automatic handle stringing, needle tail bending and drawing forming equipment for producing acupuncture needles, which comprises a shell, a handle stringing device, a needle tail bending device and a drawing forming device are connected in the shell, and the handle stringing device, the needle tail bending device and the drawing forming device are sequentially connected through a conveying device. The handle stringing device comprises a needle body limiting cover and a needle handle limiting cover which are fixedly connected with the shell, a needle body driving roller and a needle handle driving roller are rotationally connected into the needle body limiting cover and the needle handle limiting cover respectively, a plurality of arc-shaped needle storage grooves are formed in the needle body driving roller, and arc-shaped needle handle grooves in one-to-one correspondence with the arc-shaped needle storage grooves are formed in the needle handle driving roller. The needle handle driving roller is coaxially and fixedly connected with an intermittent rotating gear through a one-way bearing, the intermittent rotating gear is rotationally connected into the shell, and the intermittent rotating gear is meshed with a single-tooth sliding threaded sleeve which is connected into the shell in a left-right sliding mode; the structure is simple and the practicability is high.

The invention relates to a needle having a lumen for distributing fluid into, or removing fluid from, a soft tissue of a patient. The needle includes a nickel-titanium alloy. The needle is treated with an acidic solution including hydrofluoric acid at a temperature less than 60°C for at least 10 seconds.

The present invention relates to a textile tool (1) having hooks for use in textile machines. In order for the textile tool (1) to be suitable for use in high-speed textile machines and for processing yarns that are difficult to process, and at the same time offering a long service life and cost-effective producibility, the cross-sectional area (X(s)) of the hook (3) increases along a section coordinate (s) starting from the hook tip (5) and decreases again once a maximum cross-sectional area (Xmax) has been reached.

The invention discloses textile needle straightening clamp equipment for textile processing, and belongs to the technical field of textile processing, and the textile needle straightening clamp equipment for textile processing comprises a transmission wheel shaft of which the peripheral outer wall is provided with a transmission thread clamping groove and is clamped with a textile needle piece; the clamping and reciprocating pushing part is located on one side of the conveying wheel shaft and can clamp the spinning needle piece; the multiple straightening clamp blocks are located on the other side of the conveying wheel shaft, and each straightening clamp block is provided with a straightening rail groove used for containing and straightening the textile needle piece; and each finger air cylinder is located above the corresponding straightening clamp block, and the bottom end of each finger air cylinder is connected with two finger clamping jaws used for clamping the spinning needles in a relatively sliding mode. Pre-straightening treatment is conducted on the finger clamping jaw before pushing, the function of correcting local bending of the needle part in advance is achieved, the problems of blocking, breaking and the like in the pushing process are solved, and the effect of further improving the straightening success rate is achieved.

The application relates to the technical field of medical devices, in particular to a bending and shaping device for a medical needle, which comprises a main body, a shaping sleeve assembly and a supporting rod, the shaping sleeve assembly is movably installed on the main body, the supporting rod is installed on the main body, the shaping sleeve assembly comprises a shaping claw group for clamping the medical needle, the supporting rod comprises a supporting part for abutting against the medical needle, and the supporting part and the shaping claw group are located on the same side of the main body. The application not only facilitates the bending and shaping of the medical needle, but also saves the physical strength of doctors; the supporting part abuts against the corresponding position of the medical needle according to the position required to be bent, the bent position of the medical needle after being bent is the required position, the precision of the bending of the medical needle is higher, and the use in the surgical process is avoided.

The utility model relates to the technical field of feeding, and discloses a novel cold forging machine feeding mechanism which comprises a platform, a material receiving groove and an arc-shaped conveying groove are formed in the platform, a feeding hopper is arranged above the material receiving groove, a feeding cutter is arranged above the feeding hopper, and the arc-shaped conveying groove is formed in front of the material receiving groove. A pushing shaft is arranged on one side wall of the material receiving groove in a penetrating mode, a pushing plate is installed at one end of the pushing shaft, a feeding air cylinder is installed at the other end of the pushing shaft, the feeding air cylinder is fixed to the outer side wall of the material receiving groove, and the pushing plate is located in the material receiving groove. A cold forging die head is arranged at one end of the arc-shaped conveying groove, and a cold forging die cavity is formed in the other end of the arc-shaped conveying groove. The cutters are symmetrically mounted on the mounting plate, a through hole is formed in the mounting plate, the steel wire cavity is mounted on the through hole, and the cutters are symmetrically distributed on the two sides of the through hole. The broken materials do not need to be manually placed on the cold forging table one by one, and the working efficiency is improved.

The invention relates to the technical field of textile machinery, and discloses a sewing sleeve disc needling point processing device which comprises a shell, an operation table is slidably connected to the outer wall of the shell, an adjusting disc is rotatably connected to the inner wall of the shell, and an electric push rod is fixedly connected to the outer wall of the right side of the adjusting disc. The output end of the electric push rod is fixedly connected with a limiting plate, the outer wall of the left side of the limiting plate is fixedly connected with a driving rod, the outer wall of the driving rod is slidably connected to the inner wall of an adjusting disc, the outer wall of the supporting plate is fixedly connected to the outer wall of the left side of the adjusting disc, and an adjusting assembly is arranged on the lower surface of the shell. When the electric push rod drives the limiting plate to move, the effect of fixing the length of a pricking needle is achieved, the driving rod drives the fixing block and the limiting sleeve to drive the fixing claw, and therefore the effects of rapidly fixing and fixing the length of the pricking needle are achieved in the using process, high-precision machining of the needle point of the sewing machine is achieved, and the product quality is remarkably improved.

Provided is a medical hollow needle with a novel structure that allows the efficient passage of blood or other liquids. A medical hollow needle 10 has an inner lumen 12 penetrating it in a direction of a needle axis. An inner circumferential surface 16 of a needle tube 14 constituting a circumferential wall of the inner lumen 12 has a tapered surface 30 with a diameter becoming smaller toward a needle tip 18 formed by deep drawing. An arithmetic mean roughness Ra of the inner circumferential surface 16 in the direction of the needle axis is set as Ra≤1.0µm.

To provide a method for producing a medical hollow needle that allows the efficient passage of blood or other liquids.SOLUTION: A medical hollow needle 10 has an inner lumen 12 penetrating it in the direction of the needle axis. An inner circumferential surface 16 of a needle tube 14 constituting the circumferential wall of the inner lumen 12 has a tapered surface 30 with a diameter becoming smaller toward a needle tip 18 formed by deep drawing. The arithmetic mean roughness Ra of the inner circumferential surface 16 in the direction of the needle axis is set as Ra≤1.0 μm.SELECTED DRAWING: Figure 4

The utility model relates to the technical field of circular weaving machines, in particular to a crochet hook stamping device for a circular weaving machine, which comprises a stamping table and a needle head die, a stamping mechanism for fixing the needle head die is arranged on the stamping table, and a collecting protection mechanism for collecting crochet hooks is arranged on the stamping table. According to the collecting and collecting mechanism, in the crochet needle producing and manufacturing process, crochet needles manufactured in a stamping mode can be rapidly collected, the production rate of the crochet needles is improved, the collecting and collecting mechanism further has a certain noise reduction and protection function, noise generated by stamping is reduced, safety of crochet needle stamping production is improved, and in addition, the collecting and collecting mechanism is suitable for popularization and application. The mechanism further has a certain dust collection effect, dust accumulation can be reduced, by arranging the punching mechanism, in the crochet hook punching production process, crochet hook molds can be synchronously limited and fixed, the crochet hook punching stability is improved, the crochet hook production quality is improved, crochet hook molds of different sizes can be replaced easily, and the production efficiency is improved. And certain practical performance is achieved.