547 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 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.

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.

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 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 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.

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.

A method includes protecting an entire length of a needle of a needle-based device protruding from a needle mount coupled to a body thereof based on providing a needle shield configured to completely encompass the entire protruding length of the needle in a first state of disuse of the needle-based device, and retracting the needle shield in a first direction toward the body to cause the needle to emerge out of the needle shield to prepare the needle-based device for a second state of use. The method also includes transitioning the needle-based device back to the first state of disuse in accordance with a force applied in a second direction, securedly maintaining the needle shield in the first state of disuse, and locking the needle shield with a lock button formed on the needle shield or external thereto in the first state of disuse of the needle-based device.

The utility model discloses a perforated three-edged solid needle which comprises a perforated solid needle body, a needle head is integrally formed and processed on the right side of the perforated solid needle body, and the perforated three-edged solid needle relates to the technical field of medical instruments and is characterized in that the three-edged needle head is processed on the right side of the perforated solid needle body. The needle head is designed to be in a prism shape, so that compared with a hollow perforating needle in the market, the perforating solid needle is high in hardness, firmer, stronger in sharpness and stronger in puncturing force, the problems of deformation, breakage and the like are not prone to occurring in the using process, and perforating points are more uniform; in this way, the surface of the perforating solid needle body can be smoother through the silicone oil coating, so that the pain, swelling pain and bleeding probability of a user can be effectively reduced, damage to pore channels is reduced, and the use effect is better.

Methods are provided for aesthetic restoration and reconstruction of bone loss, deficit, defect, or a combination thereof. The methods include administration of one or more suitable bone derived compositions by a minimally invasive procedure such as injection using a needle, syringe, etc., placement in or through a small incision, or a combination thereof. The properties and characteristics of the bone derived composition, including without limitation, flowability, injectability, size, shape, and physical form, are limited only by the requirement that they are capable of administration by a minimally invasive technique. For example, these methods are effective for restoration of facial features, e.g., lost chin definition, jawline definition, bone around nasal lines, and bone around the upper and lower eye area. These methods are also effective for treatment of bone deficiency and loss in other body features such as shoulders and collarbones, pelvis, feet, ankles, hands, and wrists.

This utility model relates to a complete set of small needle knives for tenosynovitis and nerve entrapment diseases, belonging to the field of medical device technology. The aim is to provide a convenient and easily selectable set of small needle knives for tenosynovitis and nerve entrapment diseases that reduces collateral damage. The technical solution includes a circular needle knife, a probe, a separating needle, a hook needle knife, and a storage box for storing the aforementioned needle knives. The circular needle knife includes a handle and a needle body, with the needle tip having an arc-shaped outer curved edge. The probe includes a handle and a needle body, with the needle tip being a spherical probe. The separating needle includes a handle and a needle body, with the needle tip being a pointed cone shape. The hook needle knife includes a handle and a needle body, with the needle tip bent into an arc shape and having an inner curved edge. This utility model is used for small needle knife treatment of tenosynovitis or nerve entrapment diseases.

The present disclosure relates to a kit. The kit of the present disclosure comprises: a kit body comprising a needle tube and a needle, the first end of the needle being mounted to the needle tube; and a catabolic filling thread comprising a first segment and a second segment connected to each other, at least a part of the first segment being located inside the needle, and at least a part of the second segment being located outside the needle, wherein the catabolic filling thread is a thread made of poly-L-lactic acid. The kit of the present disclosure comprises a catabolic filling thread which can be composed of poly-L-lactic acid, is absorbable, has no residue, and is metabolized into lactic acid in the human body. Such a configuration makes the catabolic filling thread itself not only play a role in filling and tightening when filling surgery is performed using the catabolic filling thread of the present disclosure, but also the lactic acid after its metabolism can still stimulate fibroblasts in the skin and subcutaneous tissue to reconstruct the collagen framework in the human body by using fibroblasts.

The utility model discloses a needle type pipettor suction head, which relates to the technical field of pipettors, and adopts the technical scheme that the needle type pipettor suction head comprises a sleeve and a needle head, one end, close to the needle head, of the sleeve is fixedly connected with a fixing piece, and the fixing piece is fixedly connected with the needle head. The liquid suction device has the effects of sucking all liquid as much as possible, avoiding sucking cell balls, membrane materials and the like, and avoiding damage caused by careless contact with objects in the use process.

1. The name of the design product: surgical needle head (hernia surgical needle). 2. The use of the design product: the overall use of the product is for implantation into the human body, and the needle head is used to send in the ligation line, withdraw the ligation line, and maintain, pull and cut the biological tissue. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the design product requests partial design protection, the solid line represents the part that is requested to be protected, and the dashed line represents the part that is not requested to be protected; the A part enlarged view is a partial enlarged view of part A in the front view; the B part enlarged view is a partial enlarged view of part B in the bottom view; the C part enlarged view is a partial enlarged view of part C in perspective view 1.

The present invention relates to a medicament container holder (10) comprising a body (12) adapted to receive a medicament container (14), the body (12) comprising proximally directed tongues (38) at its proximal end, engagement elements (42) arranged at the proximal end of the tongues (38), directed inwards, which engagement elements (42) are arranged to engage a neck portion (46) of the medicament container (14); wherein the tongues (38) deflect radially outwards when engaged by a needle shield (16) of said medicament container (14). The invention is characterized in that said tongues (38) with said engagement elements (42), engage with said neck portion (46) of said medicament container (14) for preventing the medicament container (14) from moving in a proximal direction relative the medicament container holder (10), when disengaged with said needle shield, wherein said tongues (38) are in a stressed state when in engagement with said neck portion (46).

The efficient anti-blocking biopsy needle comprises a needle head, the needle head is provided with a hollow needle core, a spiral groove is formed in the inner wall of the needle core in the length direction of the needle core, the depth of the spiral groove ranges from 50 micrometers to 200 micrometers, and the screw pitch of the spiral groove ranges from 0.5 mm to 1.2 mm. According to the efficient anti-blocking biopsy needle, the spiral groove is formed in the inner wall of the needle core, a tissue directional conveying channel is formed to relieve and guide local turbulence, and the adhesive strength of a fluid boundary layer is reduced, so that the adhesive force of tissue fragments to the inner wall of the needle core is greatly reduced, and the needle core is effectively prevented from being blocked; and the single puncture sample acquisition rate of the biopsy needle is greatly improved (up to more than 40%).

The invention relates to the technical field of test probes, and particularly discloses a high-current test probe which comprises a needle tube, a connecting seat and a needle head, the connecting seat is fixedly mounted at one end of the needle tube, the needle head is slidably connected to one end, away from the connecting seat, of the needle tube, a limiting groove is formed in an inner cavity of one side, close to the needle head, of the needle tube, and a buffer assembly is arranged in the inner cavity of the needle tube. The outer surface of the needle tube is sleeved with a protection assembly, one end of the needle head is provided with a protruding block, the protruding block is in sliding connection with the limiting groove, the buffer assembly comprises an adjusting mechanism, and one side of the adjusting mechanism is provided with a fixing rod. Meanwhile, the situation that the probe is not in tight contact with the tested piece due to too small elastic force is prevented, a protection effect can be achieved through the protection assembly when the probe is in contact with external force, the probe is prevented from deviating under the action of the external force, the contact point of the probe and equipment is always kept stable, and it is guaranteed that the probe completes testing work.

1. The name of the design product: syringe protective sleeve. 2. The use of the design product: used for protecting or supporting the needle by sleeving on the syringe. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model belongs to the technical field of blood taking needles, and particularly relates to a retraction type blood taking needle which comprises a needle head, a protective cap, a needle seat, a hose and a shell, the rear portion of the needle seat is installed in the shell and connected with the hose, the other end of the hose penetrates out of the rear portion of the shell, and the front end of the needle seat penetrates out of the top of the shell and is provided with the needle head. At least two elastic sheet grooves are formed in the front portion of the shell, a limiting elastic sheet is formed in each elastic sheet groove, and a guide boss is arranged on the inner side of the movable end of each limiting elastic sheet. A locking ring is sleeved on the periphery of the shell corresponding to the limiting elastic sheet; the locking ring can lock the limiting elastic piece in the elastic piece groove and limit the needle base. After the locking ring is separated from the limiting elastic piece, the needle base and the needle head can be driven to completely retreat into the shell through external force, the position of the needle base is locked through the locking structure, the needle base is prevented from being disengaged from the rear portion of the shell through the anti-disengagement structure, finally, the needle base and the needle head are locked in the shell, and the purpose of preventing the needle head from being exposed is achieved. Potential safety hazards such as needle puncture and cross infection can be eliminated.

The utility model belongs to the technical field of LED (light-emitting diode) dispensing, and discloses a box dam dispensing valve block which comprises a base and a plurality of needle head blocks, the needle head blocks are arranged and distributed along the extension direction of the base, the top end of the base is provided with glue injection holes of the needle head blocks, the needle head blocks are provided with glue outlet holes, and the glue injection holes and the glue outlet holes are communicated to form a dispensing channel. The needle head block and the base are detachably connected, the needle head block and the base are designed to be detachably connected, the problem that a whole set of equipment needs to be replaced when a traditional integrated dispensing structure is matched with lamp strips of different specifications and models is solved, in the scheme of the embodiment, a user only needs to replace the needle head block of the corresponding specification, and the requirement for multi-specification production can be met; brand-new dispensing equipment does not need to be purchased, the application range of the equipment is widened, and the production cost is reduced.

The utility model provides a prefilled anticoagulant temporary storage device which comprises a barrel body and opening and closing strips, a top cover is detachably arranged on the top of the barrel body, an installation block is arranged on the top of the top cover, a plurality of containing pipes are vertically arranged on the installation block in a penetrating mode, each containing pipe is communicated with the barrel body, and the opening and closing strips correspond to the containing pipes one to one. Each opening and closing strip is horizontally and slidably arranged on the mounting block in a penetrating mode, a strip-shaped groove allowing the opening and closing strip to be inserted is formed in the side wall of each containing pipe, and the problem that in the prior art, when medical staff recheck the type and dosage of the pre-filled anticoagulant, the risk that the medical staff are punctured by a needle head exists is solved.

The plugging device comprises a grouting equipment body, a connecting pipe and a grouting needle head assembly, the grouting needle head assembly comprises a grouting pipe and a grouting needle head, the grouting pipe is installed at the material conveying end of the grouting equipment body through the connecting pipe, and a sealing plate is arranged on the side, away from the connecting pipe, of the grouting pipe. A first thread and a second thread are correspondingly arranged on the surfaces, on the two sides of the sealing plate, of the grouting pipe, the first thread is arranged on the side, close to the connecting pipe, of the grouting pipe, a first fixing plate is arranged on the side, away from the connecting pipe, of the sealing plate in a contact mode and installed on the grouting pipe in a sleeving mode, and a sealing rubber pad is arranged on the periphery of the first fixing plate in the circumferential direction. The drill hole is further sealed and installed, the drill hole and the threaded shaft barrel are installed in an abutting mode, the grouting pipe is fixedly installed on the crack face, and stable grouting construction is achieved; and air flow in the crack is pumped out from the air pumping through holes of the bobbin I, the bobbin II and the threaded shaft barrel, so that air in the crack is pumped out.

This invention discloses a needlestick-proof syringe, comprising a syringe barrel, a needle hub, a piston head, and a needle. The syringe barrel has a liquid reservoir, and a connecting structure detachably connects the syringe barrel and the needle hub. The needle hub has a liquid outlet chamber, which connects to an opening on the top wall of the needle hub for the needle to pass through. A needle disc is coaxially connected to the end of the needle, and the needle disc is movably disposed in the liquid outlet chamber. The liquid outlet chamber has a limiting structure for restricting the sliding of the needle disc along the needle hub axis when the needle disc is not axially rotating. The piston head has an unlocking structure for driving the needle disc to rotate axially to release the limiting structure from restricting the needle disc. The liquid outlet chamber has a loading structure for applying a force towards the liquid reservoir to the needle disc when the limiting structure releases its restriction on the needle disc. This invention solves the problem of needlestick injuries that occur when medical personnel manually remove the needle after injection, which is common in traditional syringes.

The utility model relates to the technical field of needle head correction, and discloses a needle head alignment correction mechanism which comprises a jig plate, a correction unit is installed on the jig plate, a plurality of glue filling valves are arranged above the jig plate, and the correction unit comprises a needle head alignment rod, a needle rod fixing seat, a correction installation seat, a first fine adjustment part and a second fine adjustment part. The first fine adjustment part and the second fine adjustment part are arranged at the two ends of the correction mounting base respectively and connected with the needle rod fixing base, and the needle head alignment rod is perpendicularly arranged in the middle of the needle rod fixing base; the needle position is accurate, the structure is compact, correction data are visualized, and needle position deviation correction under the condition of compact space is achieved; high-precision position alignment correction can be achieved, due to the fact that in the glue pouring production process, the needle head needs to be replaced regularly, and glue path workpieces need to be cleaned regularly, the position of the needle head can be rapidly aligned and restored, the production efficiency can be effectively improved, the glue dispensing speed is high, and good market application value is achieved.

This disclosure relates to a needle safety device (1) for a medical device, particularly for a medical injection device (100), the needle safety device (1) comprising: a hub portion (10) defining a longitudinal axis (11), wherein the hub portion (10) includes a cannula (12) extending substantially along the longitudinal axis (11) from the hub portion (10) and a carrier element (60) disposed on the cannula (12), wherein the cannula (12) and the carrier element (60) are configured to move together with respect to the hub portion (10) along the longitudinal axis (11); and a tubular arrangement (20) movably disposed on the hub portion (10) along the longitudinal axis (11). The tubular arrangement (20) is movable relative to the hub portion (10), wherein the tubular arrangement (20) is configured to move between at least an initial position (24) and an injection position (25), wherein in the injection position, the proximal end (12b) of the cannula (12) is configured to protrude through the septum (50) of the medical device, such that the cannula (12) is in fluid communication with the reservoir of the medical device, wherein the tubular arrangement (20) includes a coupling device (35) configured to engage with the carrier element (60) such that when the tubular arrangement (20) moves from the injection position (25) to the initial position (24), the proximal end (12b) of the cannula (12) is configured to be removed from the septum (50).