944 results about "Huber needles" patented technology

The invention discloses a puncture type automatic injection pen which comprises a trigger assembly, a power assembly, an injection assembly and a protection assembly. A limiting plug in the trigger assembly is in interference fit with a button, and the button is in limiting connection with the upper pen shell. A spring of the power assembly wraps a push rod and is installed in an outer body containing cavity, and the push rod compresses the spring and then is clamped into an outer body limiting hole to be pre-tightened. A medicine bottle of the pre-filling injection assembly is in interference fit with a rubber plug, the near end of a needle abuts against the medicine bottle, a protective cap is inserted into the far end, and the assembly can slide in the lower pen shell. The sliding sleeve of the protection assembly is located at the near end when not excited and moves to the far end after being excited. During excitation, the limiting plug is pulled to press the button, the push rod is released, the spring drives the push rod to impact the rubber plug, the pre-encapsulation injection assembly is pushed to move downwards, and the needle head punctures to complete injection; and after excitation, the sliding sleeve is screwed to lock and cover the needle head. The injection pen is operated by one hand, is rapid in injection, can prevent the needle from being accidentally injured, and ensures reliable medication.

The invention provides a needle-base-free multi-needle electrostatic spinning nozzle which comprises a liquid conveying base, a liquid storage base, a conductive assembly and multiple spinning needles, the distance between every two adjacent spinning needles is 1-3 mm, the inner diameter of each spinning needle is 0.1-0.3 mm, and the outer diameter of each spinning needle is 0.3-0.5 mm. Compared with the prior art, the multiple spinning needle heads are directly connected with the current-conducting plate, so that the distance between the adjacent needle heads is shortened to 1-3 mm, and short-distance ordered array nanofiber preparation is achieved; a plurality of second through holes are formed in the current-conducting plate, so that the array mode of the spinning needle heads on the current-conducting plate can be flexibly adjusted according to production requirements to meet the preparation requirements of different nanofiber arrays.

The utility model discloses a microsphere injection anti-needle-blocking device which comprises a handpiece, an injector is fixed to the handpiece, the handpiece comprises a vibration part, and when the vibration part is in a working state, the vibration part enables the handpiece to vibrate; and the host is electrically connected with the vibration part and is used for controlling the start and stop of the vibration part. According to the application, the injector is fixed on the handpiece, and the host is connected with the vibration part of the handpiece to enable the handpiece and the injector to vibrate, so that the solid microspheres precipitated in the injector and the liquid are remixed. Therefore, injection treatment interruption caused by needle head blockage is avoided, and meanwhile waste and low efficiency caused by needle head replacement are avoided.

A tattoo needle assembly has a housing comprising a longitudinal channel, a needle bundle mounted in the longitudinal channel and reciprocally movable between a retracted position and an extended position, and a biasing member engaged with the housing and the needle bundle for biasing the needle bundle at least radially to an inner wall of the housing. The housing comprises first and second guide surfaces forming a V-shaped guideway on the inner wall. The needle bundle comprises first and second sliding surfaces for slidably engaging the guideway. The biasing member radially biases the needle bundle to slidably engage the guideway such that the guide surfaces of the guideway and the sliding surfaces of the needle bundle form a V-V sliding pair during reciprocal movement of the needle bundle between the retracted position and the extended position.

The invention provides an adhesive dispensing control method and system based on a Unity engine and electronic equipment, which are applied to a virtual layer of the adhesive dispensing control system based on the Unity engine, and the virtual layer comprises an adhesive dispensing virtual model constructed based on the Unity engine. The method comprises the steps that when a rocker of the mechanical arm is pressed down, real-time pressure of a needle and distance information between the needle and a target point are obtained; obtaining prediction information based on the distance information between the needle head and the target point, the real-time pressure and a pre-constructed prediction model, and carrying out analogue simulation on the dispensing process based on the prediction information and the dispensing virtual model; wherein the prediction information at least comprises the width of the glue line and the predicted motion trail of the needle head; and generating a control signal based on the prediction information to enable the mechanical arm to control the movement of the needle based on the control signal. According to the invention, the reject ratio of dispensing and the damage to the chip are reduced.

The present invention provides a method of assembling and packaging a medical needle device having a double ended needle (116), which comprises a container (170) having a closed end and an open end to receive a spring activated safety needle device (110) to provide passive needlestick protection to a non-patient end (118) of the needle (116). The method comprises performing the independent steps of (i) assembling a first sub-assembly (101) by mounting a shield (114) to a tubular housing (130) to form a telescopic device (104) and engaging the telescopic device (104) within the container (170), and (ii) assembling a second sub-assembly (102) by securing the double ended needle (116) within the needle mount (140), wherein the mounting element is provided on an external surface of the needle mount (140). The tubular housing (130) comprises (a) a mounting member on an internal surface to engage a mounting element of the needle mount (140), and (b) a spring to urge movement of the double ended needle (116) during use to a shielding position whereat the needle (116) extends at an angle oblique to a longitudinal axis of the tubular housing (130) to place the non-patient end (118) of the needle (116) at a location adjacent to an interior wall of the tubular housing (130). The method further comprises inserting the second sub-assembly (102) into the tubular housing (130) to secure the mounting element of the needle mount (140) to the mounting member of the tubular housing (130) to unite the second sub-assembly (102) to the first sub-assembly (101) to enable the spring to urge movement of the double ended needle (116) during use to a shielding position. Finally, the method comprises applying the closure a label (124) over the open end of the container (170) to seal the medical needle device 110 within the container (170).

The utility model relates to the technical field of medical instruments, and discloses a skin auxiliary lifting and pinching fixing clamp based on abdominal injection, which comprises an auxiliary pinching clamp, a lifting and pinching part, a handle part, a through groove, a spring ring and a clamping soft cushion. The two sets of handle parts are pressed to be close to each other, so that the clamping soft cushions on the two sets of lifting and pinching parts are opened to clamp the lifting and pinching protruding parts, the lifting and pinching parts are continuously kept fixed, the clamping soft cushions are made of silica gel materials, discomfort of the clamping parts of a patient can be reduced, at the moment, medical staff can concentrate on safe and stable injection of an injection instrument, and the safety of the injection instrument is improved. The situation that a needle shakes and folds due to redundant operation, and discomfort and unnecessary danger of a patient are increased is avoided, so that the skin of the patient can be automatically lifted, pinched, fixed and kept through the device, the hands of a nurse are liberated, the operation difficulty of the nurse is reduced, injection adverse reactions are reduced, and the injection comfort and safety of the patient are improved.

A device for puncturing skin in a reciprocal manner includes a reciprocally movable needle, a driving device including a driving mechanism and a driving rod arranged for driving the reciprocally movable needle between a retracted and extended position. The driving mechanism is arranged for reciprocally driving the driving rod in a longitudinal direction along the longitudinal axis of the driving rod. The driving device further includes a suspension system arranged between a frame member of the driving device and the driving rod and the suspension system is arranged for elastically suspending the driving rod in the longitudinal direction in the frame such that the driving rod is freely movable in longitudinal direction. The suspension system is further arranged for biasing the driving rod to a longitudinal neutral position.

This application relates to the field of dispensing technology, and in particular to a height conversion method for a multi-station dispensing mechanism. The method includes: obtaining a virtual compensation value X1 for the simulated needle; obtaining a conversion compensation value X2 for the dispensing needle; obtaining an actual compensation value X3 based on the virtual compensation value X1 and the conversion compensation value X2; adjusting the vertical displacement of the dispensing needle according to the actual compensation value X3; wherein the virtual compensation value X1 is the vertical compensation value of the simulated needle during dispensing simulation, and the conversion compensation value X2 is the vertical compensation value of the dispensing needle during dispensing simulation; the reference position of the simulated needle during dispensing simulation is the same as the reference position of the dispensing needle during dispensing simulation. A multi-station dispensing device includes a vision mechanism and multiple dispensing mechanisms. This application enables the unification of the vertical position reference of the dispensing mechanism and the vision mechanism, avoiding height errors from affecting the dispensing operation.

The utility model discloses a probe with double curled edges, which relates to the technical field of probes, and comprises a needle tube, a needle head assembly is arranged on one side of the needle tube, a first curled groove is arranged at the edge of one end of the needle tube, a second curled groove is arranged on one side of the first curled groove, and the second curled groove is arranged on the other side of the first curled groove. The other end of the needle tube is provided with an arc end, a needle tube groove is formed in the needle tube, one end of the needle tube groove is open, a compression spring is arranged in the needle tube groove, the needle head assembly moves along the needle tube groove and extrudes the compression spring, and the needle head assembly comprises a needle body part and a limiting moving body; according to the scheme, the problems that most of needle tube contact ends of existing ICT probes are curled in a single layer, the area of contact points is limited, poor contact, easy abrasion and insufficient stability are caused in the long-term use process, and the test result is affected are solved.

The invention belongs to the technical field of medical equipment, and particularly relates to a bionic self-locking microneedle structure, a microneedle patch and a preparation method. The bionic self-locking microneedle structure comprises a needle body and a wing-shaped structure, the wing-shaped structures are evenly distributed in the circumferential direction of the needle body. The tip end of the wing-shaped structure and the tip end of the needle head are in the same direction, and the angle of the tip end is 25-45 degrees; the length of the wing-shaped structure is smaller than that of the needle body; the wing-shaped structure is located at the position 200-800 microns away from the bottom of the needle head. The number of the wing-shaped structures ranges from 2 to 10. The supporting wings, namely the wing-shaped structures, are integrally connected with the needle body, the contact area between the lower portions of the bionic wing-shaped structures and the skin is larger, and the adhesion capacity to the skin is better. Due to the wing-shaped structure, a reverse buckling effect can be formed between the micro-needle and surrounding tissues after the micro-needle is punctured into the skin, so that the pullout force caused by tissue rebound and body fluid lubrication is effectively resisted, and long-term stable retention of the micro-needle in the skin is realized.

The utility model relates to the technical field of syringe needle production, in particular to a waste syringe needle recovery device for syringe needle production, which comprises a recovery box, a protection bin arranged in the recovery box, a protection plate arranged in the protection bin, a spraying structure arranged in the protection bin, and a driving structure arranged on the recovery box. A fixing structure used for limiting and fixing the protection bin is arranged on the recycling box, the spraying structure comprises a liquid storage box fixedly connected to the vertical inner wall of the protection bin, a plurality of spraying heads fixedly penetrate through the liquid storage box, a liquid inlet pipe fixedly penetrates through the top of the liquid storage box, and a pair of connecting lugs are fixedly connected to the liquid storage box; the connecting lugs and the protective bin are in threaded connection with the same dismounting bolt. Compared with needle recovery in the prior art, the needle recovery device has the advantages that due to the arrangement of the driving structure and other components, other articles are prevented from accidentally falling into the recovery box and being difficult to take out, and the risk that irrelevant personnel are injured due to touching waste needles is effectively avoided.

1.The name of the design product: needle head (bullet head) of microwave ablation needle. 2.The use of the design product: used with microwave ablation equipment, belonging to the field of medical devices. 3.The design points of the design product: in shape. 4.The picture or photo that best indicates the design points: perspective view. 5.Other circumstances that need to be explained: the design product requested to protect does not contain color; the design product is a partial design, the part requested to protect is the yellow part in the view, and other parts are not claimed.

The invention discloses an elastic pin connector based on a double-convex-hull fuzz button contact piece, belongs to the technical field of electric connectors, and aims to solve the problems of high contact resistance, easiness in abrasion, easiness in transient signal interruption and the like caused by point contact of a traditional elastic pin connector. The connector comprises a sleeve with a one-way opening, an elastic piece and a needle head are sequentially assembled in the sleeve from the bottom to the opening, and the head end of the needle head extends out of the sleeve; two symmetrical annular convex hulls are arranged on the periphery and are formed by a plurality of strands of metal wires, and the distance between the convex hulls is larger than half of the axial length. During testing, the needle head is in contact with a tested chip and is compressed by the elastic piece under axial pressure, and the annular convex hull is in contact with the inner wall of the sleeve to form an electric signal conduction path of'contact point-needle head-sleeve '; after testing, the elastic piece rebounds, and the convex hull is separated from the inner wall of the sleeve to reset. The connector improves the contact stability, prolongs the service life, and is suitable for a high-reliability test scene of a chip.

The ablation needle at least comprises a needle tube, a first cavity and a second cavity which are independent of each other are arranged in the needle tube, a first pipeline is arranged in the first cavity, a second pipeline is arranged in the second cavity, and the first pipeline and the second pipeline extend to the outside of the needle tube from the near end of the needle tube; the near end of the needle body is connected with the far end of the needle tube, a hollow pipeline is arranged in the needle body, a first channel is formed between the needle body and the pipeline, a second channel is arranged in the pipeline, the far end of the first channel is communicated with the far end of the second channel, the near end of the first channel is communicated with the first cavity, and the far end of the second channel is communicated with the second cavity. The near end of the second channel is communicated with the second cavity, and a water outlet hole is formed in the needle body; the needle head is connected to the far end of the needle body. According to the utility model, two channels are arranged, one channel is used for injecting one kind of liquid, and the other channel is used for injecting the other kind of liquid or sucking gas generated in the ablation treatment process.

A group of inventions relates to the field of medical devices. A method for producing needles with adsorption properties is described by depositing an iron oxide coating onto the needle by atomic layer deposition. An acupuncture needle for reflex therapy, consisting of a handle and shaft made of metal material, is placed in a reactor where a vacuum is created at a pressure of approximately 10 mbar ± 0.1 mbar and a temperature of 150 ± 0.2 °C, then a ferrocenecarboxylic acid precursor in the form of vapor is delivered to the reactor, then nitrogen is added to the reactor and degassed to the initial pressure, and this process is repeated in pulse mode until a specific coating thickness is formed. The use of ferrocenecarboxylic acid as a precursor for producing an Fe3O4 coating is described. An acupuncture needle for adsorbing toxic heavy metal ions is described with a coating of Fe3O4 nanofilm thickness of 14 nm ± 0.1 nm, and the nanofilm has the appearance of a nanosieve as shown in Figure 1b. The use of acupuncture needles for adsorbing metal ions is described. The technical achievement of this invention is the development of a method for attaching a magnetic separation film of Fe3O4 to the surface of an acupuncture needle, which is simpler and less expensive in terms of methodology and technique, thereby imparting adsorption properties to the acupuncture needle. The needle of this invention makes it possible to adsorb toxic heavy metal ions such as cadmium, arsenic, manganese, cesium, aluminum, iron, cobalt, nickel, chromium, mercury, lead, copper, zinc, beryllium, antimony, thallium, bismuth, osmium, tin, molybdenum, zirconium, titanium, vanadium, molybdenum, and gallium.

The invention discloses an abdominal cavity suture needle assembly and a suture method thereof.The suture needle assembly comprises a suture needle (10), the suture needle (10) comprises a needle head (11) and a needle body (12) connected with the needle head (11), a penetrating hole (123) is formed in the end, away from the needle head (11), of the needle body (12), an expansion body (13) is further arranged on the needle body (12), and when the suture needle (10) punctures an abdominal cavity tissue (200), the expansion body (13) expands the penetrating hole (123); the expansion body (13) can be switched between a contraction position where the expansion body (13) is contacted with a tissue piercing port to contract and an expansion position where the expansion body (13) is arranged in the tissue to expand; the sewing thread (20) is matched with the penetrating hole (123); wherein the sewing needles (10) are sequentially arranged at intervals along the two sides or the circumferential edge of the abdominal cavity notch (210), and the sewing threads (20) sequentially penetrate through the sewing needles (10) located on the two sides or the circumferential edge of the abdominal cavity notch (210).

The invention discloses a needle head assembly for a skin operation. The needle head assembly comprises at least one needle head, an adjusting cap, a needle seat cap and a needle head fixing part. The device can be combined with an injection device, and a large-area injection operation is carried out on the skin subcutaneous tissue through a plurality of needles; after the exposed length of the needle head is adjusted, the needle head can be fixed to prevent idling in an operation process; by adjusting the length of the needle head, the needle head can be accurately inserted into subcutaneous tissue with the target operation depth for operation, and the operation accuracy is improved. In addition, medicine leaked in the operation process can smoothly flow into the inner space of the needle head assembly, the discomfort of a patient caused by medicine outflow is avoided, and the operation convenience is improved.

The utility model relates to the technical field of medical instruments, in particular to a structure for preventing an infusion port needle from being punctured, which comprises a supporting tube and is characterized in that the lower end of the supporting tube is fixedly connected with two arc-shaped plates which are symmetrically arranged, the lower ends of the arc-shaped plates are fixedly connected with a pressing plate, and the lower end of the pressing plate is fixedly connected with a rubber pad. A needle cylinder sleeve is connected into the supporting pipe in a sliding mode. The needle cylinder sleeve comprises a containing cylinder, a containing groove with a conical bottom is formed in the containing cylinder, two pressing plates are fixedly connected to the lower end of the containing cylinder, and the containing cylinder is further connected into the supporting pipe in a sliding mode through an elastic assembly. The arc-shaped plate is used for holding, the needle head can be prevented from stabbing an injection person, the needle head can be limited through the long groove and the pressing plate, the needle head is prevented from being bent, the needle cylinder sleeve pressing plate is rotated to be clamped in the clamping groove for positioning, injection is facilitated, the needle head can be directly popped out through the spring after injection, and the needle head can be safely pulled out.

The invention belongs to the technical field of circuit board detection, and discloses a traceless spring test needle and a gold surface traceless test method. Comprising a needle tube, a needle head and a first spring, a first sliding groove is formed in the inner wall of the needle tube, a sliding assembly is arranged in the first sliding groove, and the sliding assembly is located between the needle head and the first spring; the spiral first sliding groove is formed in the inner wall of the needle tube, and the sliding assembly is embedded into the spiral first sliding groove, so that the sliding assembly obtains circumferential rotating force while axially moving, and the needle head is driven to synchronously rotate. The needle head is in erasing type rotary contact when being in contact with a gold surface, so that a surface oxide layer or insulating stains are effectively removed; compared with a traditional vertical press-in mode, the rotating mechanism can greatly reduce the contact pressure in unit area; damage to micro welding spots and routing structures is reduced, and structural damage caused by local stress concentration is avoided.

A system for closing trocar wound sites includes a suture engagement device and a guide to direct the device through the body tissues. An improved needle and guide instrument set allows for the surgical placement of suture to be completed "blind," namely, without the aid of an endoscope for direct visualization of the abdominal cavity. The guide can include markings to accurately determine a depth of the guide and, therefore, accurately determining a suture fascial tissue bite distance. This may be advantageous in certain surgical procedures where an endoscope is not being used or does not provide adequate visualization of the surgical site.

The utility model discloses a stone needle microneedle patch with a keel structure, which comprises a patch layer, a stone needle is arranged at the center of the patch layer, the stone needle comprises a stone needle table and a stone needle head, and a plurality of keels are arranged on the stone needle head. The keels stimulate the peripheries of the acupuncture points, the acupuncture points and the peripheries of the acupuncture points can be effectively stimulated, the overall physical therapy effect is improved, a pattern-shaped groove is formed after physical therapy, and the attractiveness is higher.

The needle holder for the acupuncture needle comprises a needle holding head, rotating holes are formed in the upper end and the lower end of the needle holding head, rotating pincers are rotationally connected into the rotating holes through torque springs, and movable pieces are arranged on the surfaces of the rotating pincers. According to the needle holder for the acupuncture needle, through comprehensive arrangement of the elastic abutting mechanism and the handheld mechanism, when the needle holder is used, four fingers penetrate through a handheld handle part, one end of a thumb and a palm hold a grip strength handle, and when the palm is opened, the handheld handle part rotates to drive a limiting piece, an abutting rod and a rotating clamp to move synchronously, so that the rotating clamp is opened and closed to a proper angle; after the acupuncture needle is clamped, the acupuncture needle is tightly held with force, the handheld handle piece rotates reversely and drives the limiting piece, the abutting rod and the rotating clamp to move synchronously, the rotating clamp is matched with the fixed clamp to clamp the acupuncture needle, and therefore the clamping force on the acupuncture needle is increased, and the clamping stability is improved.

A pierceable plug for closing off a piercing end of a needle is described herein. The plug has an end that is configured to be pierced by the needle to close off the piercing end of the needle. The plug may be radiation sterilizable and may be made of a material that includes an antimicrobial agent. The plug may be used to close off a needle end that is in fluid communication with a radioactive substance.

The embodiment of the utility model provides a needle head protection device and a safety type puncture needle, the needle head protection device comprises a shell and a protection component, the protection component is connected to the shell, the protection component comprises a needle core matching piece and two elastic protection pieces, the needle core matching piece is provided with a needle threading groove, and the two elastic protection pieces are arranged in the needle threading groove. The two elastic protection pieces are connected to the two sides of the needle core matching piece respectively, a protection piece part is arranged at the end, away from the needle core matching part, of each elastic protection piece, and an extension line of the needle penetrating groove passes through the protection piece parts. The needle head protection device can be arranged on the needle body of the puncture needle in a sleeving mode, after the puncture needle is used, the needle head protection device can be moved to one side of the needle head of the needle body, the needle head protection device can be limited to the needle head and cover the needle head, and therefore the situation that the puncture needle pricks medical staff is avoided, and safety is improved.

This document describes single and double packaging for loading needles and blank needles. Such packaging may include hard or hollow packaging. Such packaging may include an early activation prevention element arranged on an inner side wall of a compartment of the packaging to fit into a cavity of a blank needle device catheter to prevent accidental activation of the blank needle device before use.

The utility model discloses a probe type connector, and relates to the technical field of connectors, the probe type connector comprises a needle tube, a needle head, a waterproof cap and an elastic member, the needle tube is internally provided with an accommodating cavity; the needle head is movably arranged in the containing cavity, the needle head comprises a head part, an abutting part and a tail part which are connected in sequence, and the outer diameter of the head part and the outer diameter of the tail part are both smaller than the outer diameter of the abutting part; the waterproof cap is arranged on the periphery of the head of the needle tube in a sleeving mode and matched with the needle tube in a clamped mode, and the head of the needle head and the head of the needle tube are both in interference fit with the waterproof cap; the elastic piece is arranged on the periphery of the tail in a sleeving mode, and the two ends of the elastic piece abut against the abutting portion and the cavity bottom of the containing cavity respectively. According to the technical scheme provided by the utility model, the problem that liquid or impurities are easy to enter a gap between a needle tube and a needle head in an existing connector is solved.