128results about "Needles" patented technology

The utility model belongs to the technical field of withdrawal and straightening machines, and particularly relates to a stainless steel through needle production straightening device which comprises a feeding mechanism, and the feeding mechanism is sequentially provided with a driving mechanism, a first straightening mechanism and a second straightening mechanism from the starting point of the straightening process. The outer wall, located at the tail end of the straightening procedure, of the feeding mechanism is fixedly provided with a cutting frame used for completing quantitative cutting work, a sliding frame is slidably assembled at one end of the interior of the cutting frame, vertical penetrating grooves are formed in the two side walls of the top of the sliding frame in a penetrating mode, and a movable cutter block is slidably assembled at the top of the interior of the sliding frame in a lifting mode. Inclined guide groove plates are fixedly mounted on the two sides of the top end of the interior of the cutting frame, and penetrating columns movably penetrate through the corresponding vertical penetrating grooves and the inclined guide groove plates in sequence. According to the utility model, the movable cut-off knife can cut off on the premise of moving along with raw materials, errors caused by instantaneous extrusion between the raw materials and the knife are avoided, the cut-off trigger structure is simple and sensitive, and an additional sensor does not need to be mounted.

The invention relates to the technical field of electric power equipment detection, and discloses an electric power metering equipment detection platform body capable of realizing automatic tooling, which comprises an electric test platform, an electric energy meter calibration instrument is hinged to the surface of the electric test platform, and a probe module is electrically connected to the surface of the electric energy meter calibration instrument. An automatic guide mechanism is mounted on the surface of the electric energy meter calibrator; the automatic guide mechanism comprises a centering guide mechanism fixedly connected to the top of the electric energy meter calibrator; the centering guide mechanism firstly centers and aligns the electric energy meter and the probe module and then drives the electric energy meter to be stably connected with the probe module in an inserted mode, and therefore the success rate of connection of the electric energy meter and the probe module can be effectively improved. The problem that an electric energy meter and an electric energy meter calibrator are difficult to be stably connected through an existing electric power metering equipment detection table body capable of achieving automatic tooling is solved.

The invention relates to the technical field of medical equipment, and discloses a curved needle mold for chamber corner incision surgery, which comprises a mold box, a first partition plate is fixedly mounted in the mold box, and a second partition plate connected with the inner top wall of the mold box is fixedly mounted at the top of the first partition plate. According to the bent needle head mold for the chamber angle incision operation, a fixed clamping plate and a movable clamping plate are arranged, a needle head is firstly placed in a needle head clamping groove in a fixed block, then a servo motor operates to drive a first gear to enable a second gear meshed with the first gear to rotate, the second gear rotates to drive a rotating rod to rotate, and a movable plate moves in a threaded mode; meanwhile, a pull ring is pulled to move a movable clamping plate, the movable clamping plate moves to drive a movable plate to move, a compression spring accumulates force, and when the needle head on the fixed block enters the position between the fixed clamping plate and the movable clamping plate, the bending length of the needle head can be selected according to corresponding dial gauges on the fixed clamping plate and the movable clamping plate.

Methods and devices for bending a needle are provided. A device embodiment can include a needle bending apparatus for imparting a bend in a needle when a needle is received therein. The needle bending apparatus may include a housing having an aperture for receiving a shaft of a needle; and at least one abutment member comprising a needle interfacing surface for supporting a portion of the needle and providing a surface upon which the needle may be bent.

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 utility model relates to a bending device for thumbtack needle processing, which comprises an arrangement cavity, one side of the arrangement cavity is provided with a bending die, the bending die is a female die with a V-shaped section, the bottom end of the female die of the bending die is provided with a telescopic arc seat, the bending die is provided with a plurality of positioning grooves, two ends of the positioning grooves are connected with sizing plates in a sliding mode, and the sizing plates are connected with the positioning grooves in a sliding mode. A telescopic groove is formed in the other side of the arranging cavity, a bending block is slidably connected into the telescopic groove, an arc face corresponding to the arc base is arranged at the top end of the bending block, a feeding port is formed in the top of the arranging cavity, and a drawing sealing cover is arranged at the bottom end of the arranging cavity. According to the bending device for thumbtack needle machining, the bending die with the arc-shaped bottom end is adopted to be matched with the arc at the top end of the bending block to form the bending radius of the thumbtack needle, breakage or cracks caused by no bending radius during thumbtack needle bending are avoided, and the production quality of the thumbtack needle is guaranteed.

The invention discloses a method for manufacturing an open needle. The problems that an existing fine 304 stainless steel wire is low in welding strength and low in production efficiency when a traditional brazing method is adopted are solved. The method comprises the four steps of plate swinging of the stainless steel wire, cutting of the stainless steel wire, welding of the opening needle and cleaning treatment of the opening needle. The opening needle welding process is simple in structure and convenient to operate, the opening needle manufactured through the process has the advantages of being high in welding quality, better in elasticity, durable in use, high in quality and low in price, a plurality of products can be welded at the same time, the time of single-time welding is shortened, and the overall production efficiency is improved; the consistency of the welding quality is high, and the stability and the reliability of products are good; stainless steel wires are uniformly welded, so that frequent start and stop of equipment can be reduced, and energy consumption is reduced; and the stainless steel wires are uniformly and intensively placed through the acrylic template, so that the stainless steel wires are convenient to manage.

The oral cavity washing needle comprises a nickel-titanium alloy tube body, the nickel-titanium alloy tube body is of a drawing forming structure, the outer diameter of the nickel-titanium alloy tube body ranges from 0.20 mm to 3.5 mm, and the inner diameter of the nickel-titanium alloy tube body ranges from 0.1 mm to 3.3 mm; the length of the nickel-titanium alloy pipe body ranges from 10 mm to 70 mm. A notch is formed in one end of the nickel-titanium alloy pipe body, the notch is communicated with an inner hole of the nickel-titanium alloy pipe body, the notch penetrates through the end portion of one end of the nickel-titanium alloy pipe body, and a stamping needle wall is formed on the residual wall of the nickel-titanium alloy pipe body at the position of the notch. And the end part of the stamping needle wall is warped towards the notch to form a guide wall. The oral cavity flushing needle is made of the nickel-titanium alloy pipe, is not prone to being bent and broken when bent, and can reduce the risk of breakage. The end of the stamping needle wall is warped towards the notch to form a guide wall, and the flushing opening defined by the formed guide wall can reduce damage to the root tip area in a lateral water outlet mode.

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 utility model relates to an automatic cutting machine for acupuncture needle production, which comprises a water jet cutting machine, a cutting platform and a feeding assembly, the feeding assembly is used for conveying metal wires to a feeding port of the cutting platform, the cutting platform is provided with a cutting through hole for avoiding a water jet ejected by the water jet cutting machine, and the cutting through hole is communicated with the feeding port of the cutting platform. One side face of the cutting through hole is communicated with the feeding port, the other side face of the cutting through hole is provided with an inclined discharging channel, and the metal wire can slide out of the discharging channel after being cut into needles by the water jet cutter; the water jet cutter is located on the upper side of the cutting through hole, and the water jet cutter can conduct symmetrical and periodic reciprocating motion on the two sides of the metal wire in the direction perpendicular to the feeding direction. According to the automatic cutting machine for acupuncture needle production, the cutting interval can be conveniently adjusted and controlled, cut finished products can be efficiently collected, and the metal wires can be kept in a straight state before being cut, so that the qualification rate of the cut finished products is prevented from being influenced.

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 a textile tool (1) structured according to a method for producing a textile tool (1) in which a metal tool blank is provided in a laser machining device (2) and the laser machining device (2) structures the tool blank on a tool surface (3) by means of the interference of at least two laser beams (4, 5), wherein at least some of the time the at least two laser beams (4, 5) have pulse durations of at most 15 ps and wherein as a result of the structuring on the tool surface (3) a tool profile (6) with at least one depression (7) is created.

Systems and methods are disclosed that include providing a syringe with an enhanced needle, at least part of which is subjected to a treatment that enhances the performance of the needle. The treatment is administering at least a portion of the needle by projecting a heated, ionized airflow over the at least a portion of the needle at a temperature of at least 225°F to not greater than 325°F for not greater than 1 second. The treatment reduces a post-draw needle penetration force of the needle as compared to a traditional untreated needle, enhances lubrication adherence to the needle, and reduces residual metallic particle contamination resulting from the manufacturing process when compared to a traditional needle that has not been subjected to a surface treatment, which result in a significant reduction in the pain patient may experience during an injection.

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.

A method of manufacturing a plunger of a drug delivery device includes forming a plunger body. The method includes loading the plunger body into a cavity of a first molding tool of a molding system. The cavity is at least partially defined by a first molding portion and a second molding portion. The method includes coupling a second molding tool to the first molding tool to form a plurality of channels defined by grooves in the first and second molding tools, and injecting molten plastic into the plurality of channels to form an overmolded plunger body. The overmolded plunger body includes a head coupled to the first end of the plunger body and a foot coupled to the second end of the plunger body. The foot is at least partially coupled to the inner wall and the head is coupled to the outer wall of the plunger body.

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.

To provide a bending jig and a bending apparatus for injection needles that can achieve high reproducibility and high productivity in bending of the injection needles.SOLUTION: A bending jig comprises: a first bending member having, on an upper side, a first bending surface with a predetermined radius of curvature and having, on a lower side, a rotation axis; and a second bending member having, on an upper side, a second bending surface with a predetermined radius of curvature that is curved in the same direction as the first bending surface, and attached to the first bending member so as to rotate about an axis located on a lower side. From an initial state in which a straight, tubular injection needle is attached to the first bending member such that a side surface of the injection needle contacts a lower end of the first bending surface, at least one of the first bending member and the second bending member is rotated in a direction that brings the first bending surface and the second bending surface closer to each other, an upper-side region of the second bending surface strikes the side surface of the injection needle, and the injection needle is bent into a state in which it is clamped between the first bending surface and the second bending surface.SELECTED DRAWING: Figure 4A

The invention provides an acupuncture needle cutting device, and belongs to the technical field of cutting devices, the acupuncture needle cutting device comprises a bearing table and a plurality of pasting and pressing units arranged on the bearing table, a cutting sheet is arranged on the upper end of the bearing table, each pasting and pressing unit comprises a linkage block I, a linkage block I and a linkage block II, a needle body is arranged between the linkage block II and the bearing table, and the linkage block I and the linkage block II are arranged on the bearing table. The end, close to the bearing table, of the second linkage block is fixedly connected with a first vertical bar. The cutting device solves the problems that an existing cutting device for the acupuncture needle tightly attaches a to-be-processed acupuncture needle body through an attaching and pressing unit in the acupuncture needle production and cutting stage, attaching and pressing on the needle body are inconvenient to relieve when the position of the needle body is pulled and adjusted, and the side wall of the pulled needle body is prone to being damaged due to attaching of the attaching and pressing unit; and the acupuncture needle body is easy to twist due to non-uniform pasting pressure of the pasting unit, so that the cutting processing efficiency of the acupuncture needle is not improved.

The invention provides a device for obtaining biological tissue. The device includes a two-dimensional array of hollow tubes. The two-dimensional array of hollow tubes includes: a first row of a plurality of hollow tubes; a second plurality of hollow tubes, and the second plurality of hollow tubes are adjacent to the first row of hollow tubes; and a third row of a plurality of hollow tubes adjacent to the second row of hollow tubes. Each hollow tube includes at least one tip at a distal end of the hollow tube. The inner diameter of the at least one hollow tube is less than about 1 mm, and the distal end portion of each of the hollow tubes is configured to be inserted into a biological tissue donor site to remove a portion of tissue from the biological tissue donor site when each of the hollow tubes is removed from the donor site. The device is configured to independently actuate each of the first, second and third rows of hollow tubes to insert the respective row of hollow tubes into the biological tissue donor site.

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.

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 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.