23 results about "Micro-needle" patented technology

The invention discloses microminiature needle body high-speed visual screening equipment and a screening method thereof, and belongs to the technical field of industrial automatic detection and sorting. The equipment comprises an equipment frame, a feeding module, a visual identification module, a grabbing module, a control module and a material receiving module. The feeding module is used for conveying to-be-screened needle bodies. The visual identification module performs image acquisition and model identification on the needle body; the grabbing module is provided with a plurality of grabbing clamping jaws, can move in the horizontal direction and the vertical direction under the driving of the control module, and grabs a plurality of needle bodies of the same model at the same time at a time. The material receiving module comprises a plurality of material receiving boxes and a transposition driving mechanism for driving the material receiving boxes to move so as to align the target material receiving box to the grabbing module. The equipment disclosed by the invention can be widely applied to high-efficiency sorting of micro-miniature needle bodies with the diameters ranging from 0.3 mm to 3mm and the lengths ranging from 3mm to 77mm, has high precision, high speed and high reliability, and is suitable for large-scale production and multi-variety and small-batch production requirements.

Disclosed is a needle tip structure for a handpiece having an NFC function. The needle tip includes a body mounted at the front end of a handpiece, a first substrate fixed within the body and connected to a plurality of RF supply terminals of the handpiece, a second substrate on which a plurality of micro needles is mounted and movably installed within the body, a holder coupled to a driving shaft of the handpiece through the first substrate and configured to support the second substrate, and a pair of connection pins connected to the second substrate and the first substrate. An NFC chip capable of short-distance wireless communication with an external NFC terminal is installed in the first substrate.

The invention discloses a solder and a packaging structure. The solder comprises: a base material; the repairing capsule is mixed in the base material and internally comprises a repairing material; the microneedle is mixed in the base material, the microneedle is a shape memory alloy, and the microneedle deforms to puncture at least part of the repair capsule, so that the repair material flows out of the punctured repair capsule and fills the space defect of the base material; or / and the melting point of the repairing material is less than the phase transition temperature of the shape memory alloy. The self-repairing of the solder can be realized through the matching of the repairing capsule and the microneedle, so that the solder has longer service life and higher reliability.

The application provides a physiotherapy instrument, the physiotherapy instrument comprises a host, a micro needle head and a protective frame, the host comprises a handle shell and a mounting seat, the mounting seat is fixed at one end of the handle shell, the micro needle head is provided with a bearing part for mounting a micro needle part, and the micro needle part can be fixed on the bearing part. The bearing part protrudes out of the mounting base in the direction away from the handle shell, the protection frame is detachably fixed to the mounting base, the micro needle head is detachably connected with the main machine, and when the micro needle head needs to be detached, the protection frame can be detached from the mounting base firstly, so that the bearing part and the mounting base are both exposed, and then the micro needle head can be detached. The protection frame is prevented from blocking the hand or a tool from getting close to the bearing part, the bearing part protrudes out of the installation base, a user can directly hold the protruding part of the bearing part to apply force so as to detach the micro needle head, and the micro needle head can be installed, fixed or detached more conveniently.

The utility model relates to the technical field of microneedles, and discloses a telescopic structure device of microneedle needles, which comprises a housing and a needle seat, a plurality of needles are arranged on the needle seat, a rotating cylinder is rotatably inserted in the housing, a liquid storage cavity with the same inner diameter as the rotating cylinder is arranged on the needle seat, the liquid storage cavity is inserted in the rotating cylinder, and the rotating cylinder is provided with a liquid outlet. A plug pin is fixedly arranged on the outer wall of the liquid storage cavity, a spiral sliding groove is formed in the barrel wall of the rotary barrel, the plug pin is inserted into the sliding groove, a cover plate is arranged at the top of the rotary barrel, a plurality of positioning tooth grooves are formed in the inner wall of the cover plate in a circumferential array mode, and a positioning assembly used for fixing the position of a needle seat is arranged on the housing. The pillow is telescopic, different pillow lengths can be adjusted, different use requirements are met, meanwhile, the needle head is stored in a contracted mode in the unused state and does not make contact with the outside, and the use safety is higher.

The invention discloses a processing method of a nano microneedle, which relates to the technical field of nano microneedles and comprises the following steps: cleaning the surface of a monocrystalline silicon or gold wafer, coating photoresist on the surface of the monocrystalline silicon or gold wafer, drying, transferring a microneedle array pattern to a photoresist layer through a photoetching process, putting the wafer into a vacuum reaction cavity, introducing reaction gas, and carrying out vacuum reaction on the wafer and the photoresist layer to obtain the nano microneedle. The processing method comprises the following steps: applying radio frequency power to generate plasma, carrying out anisotropic etching on a wafer, forming a microneedle cylinder, removing residual photoresist and cleaning to obtain a microneedle array, applying UV glue to a preset position of a plastic part, mounting the microneedle array to the glue dispensing position of the plastic part, and then carrying out UV irradiation on a mounted product to cure the UV glue. The size, the shape and the position of the microneedle and the nanostructure can be controlled by accurately designing a mask and etching parameters, the size range is from dozens of micrometers to hundreds of micrometers, the shape is from a cylinder to a cone, and the design freedom degree is large.

The invention provides a high-air-tightness flexible graphite polar plate and a preparation method thereof. The preparation method comprises the following steps: (1) carrying out compression molding on an expanded graphite prefabricated plate to form a graphite blank polar plate; (2) punching a micro needle hole in the graphite blank pole plate by adopting a micro needle; (3) carrying out dipping treatment on the graphite blank polar plate with the micro pinholes obtained in the step (2) in dipping glue to obtain a dipped polar plate; and (4) cleaning, curing, drying and leveling the pole plate impregnated in the step (3) to obtain the high-air-tightness flexible graphite pole plate. According to the method disclosed by the invention, a method for punching the micro holes in the surface of the molded graphite blank polar plate is innovatively adopted, so that a part of pores in the molded graphite blank polar plate are broken. The punched micro holes enable gas in pores existing in the prefabricated plate to be extracted more easily, and the pole plate is filled with the impregnating adhesive more easily, so that the impregnating difficulty of the impregnating adhesive is reduced, and the air permeability is improved.

The invention discloses a fluorescent navigation lacrimal ductule broken end recognition and anastomosis device, and relates to the technical field of ophthalmology medical instruments, the recognition and anastomosis device comprises a microscopic needle holder, one side of the microscopic needle holder is provided with a pair of connecting blocks, one side of the pair of connecting blocks is provided with a detachable connecting mechanism and a detachable matching mechanism, and the other side of the pair of connecting blocks is provided with a fluorescent navigation device. The embedded groove is formed in the lacrimal passage probe, and the fluorescent rod capable of emitting infrared fluorescence is arranged in the groove, so that when the fracture part of the lacrimal ductule needs to be observed, the lacrimal passage probe capable of emitting infrared fluorescence is inserted into the lacrimal ductule, and the position of the fracture end of the lacrimal ductule is judged; the microscopic needle holder is convenient for a follow-up doctor to hold the microscopic needle holder to carry out anastomosis operation on the lacrimal ductule, the broken end can be quickly and accurately aligned and sutured, the success rate of high broken end identification and the operation efficiency are improved, the operation difficulty and excessive dependence on doctor experience are reduced, and the postoperative anastomosis patency rate and the life quality of a patient are improved.

The utility model discloses a thin-layer sample application auxiliary device for drug inspection, and relates to the technical field of drug inspection. The sample application mechanism comprises a lifting disc, a rotating rod is rotationally arranged at the bottom end of the lifting disc, a mounting frame is fixedly arranged at the bottom end of the rotating rod, sample application assemblies distributed in an array mode are mounted on the outer side of the mounting frame, each sample application assembly comprises a micro needle head, each sample application assembly comprises a fixing rod, and a fixing disc is fixedly arranged at the bottom end of each fixing rod; a positioning assembly is installed at the bottom end of the fixing disc, a ball is fixedly arranged at the top end of the fixing rod, and a slope is fixedly arranged at the bottom end of the lifting disc. According to the utility model, the mounting frame, the rotating rod, the plurality of sample application components and other structures are matched with one another, so that automatic switching and accurate positioning of multiple pipes can be realized, a plurality of samples or different solvents can be accurately treated simultaneously, the sample application speed and consistency are greatly improved, the working efficiency is improved, human errors are reduced, and the production cost is reduced. Therefore, the accuracy and the reliability of medicine inspection are ensured.

The invention provides a hair growing device for caring and growing hair based on exosomes, and relates to the technical field of caring and hair growing, the hair growing device comprises a bearing support, a bearing cylinder frame, a conveying pump body, a bearing joint, a driving sleeve and a bearing support cylinder; a rotating sliding groove is formed in the top of the bearing support. The bearing cylinder frame is fixedly mounted on the inner side of the mounting open groove; the conveying pump body is fixedly mounted at one end of the inner side of the bearing barrel frame; the bearing joint is fixedly mounted at one end of the inner side of the bearing barrel frame; a mounting lantern ring is fixedly arranged at one end of the inner side of the driving sleeve; a mounting support ring is fixedly arranged on the inner side of the bearing support cylinder, and the bearing support cylinder rotationally sleeves the outer side of one end of the bearing cylinder frame through the mounting support ring; after the bearing supporting cylinder is driven by the telescopic supporting rod to move, the micro needle head is pricked into the scalp to perform reciprocating minimally invasive dot matrix treatment on the surface of the head of a user; the problems that exosome maintenance is different from simple coating administration, and a device special for cell exosome hair care and hair growth needs to be designed and prepared are solved.

1. The name of the design product: electric micro needle head (skin pen). 2. The use of the design product: for electric micro needle head. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

Disclosed is an invasive high-frequency treatment device. The invasive high-frequency treatment device includes multiple micro needles including a first micro needle and a second micro needle, an elevation unit configured to raise the micro needle, and a control circuit configured to control the elevation unit. The control circuit determines a procedure zero point of the elevation unit corresponding to the multiple micro needles in an initialization step of the invasive high-frequency treatment device, and controls the elevation unit to rise at a predetermined height from the procedure zero point in a procedure step of the invasive high-frequency treatment device. Accordingly, it is possible to make consistent the location of the micro needles prior to a procedure regardless of conditions for a design, an assembly, and use.

The application discloses an embedded manifold microchannel LTCC substrate with added micro needle fins, which comprises a top cover layer, a middle microchannel layer, a bottom substrate layer and an external driving assembly. The top cover layer is provided with a radio frequency device unit. The middle microchannel layer is provided with a main path and a bypass manifold microchannel. A plurality of shunt micro needle fins are arranged at the input section of the main path manifold microchannel. A plurality of turbulence micro needle fins are arranged at the bypass manifold microchannel. The bottom substrate layer is provided with an inlet / outlet port. The external driving assembly comprises a controller, a micro tube and a micro pump. During operation, the cooling medium is transmitted through the micro tube, flows through the main path manifold microchannel of the middle microchannel layer, is distributed to the bypass manifold microchannel through the shunt micro needle fins, is fully mixed under the action of the turbulence micro needle fins, carries away the heat generated by the high-power radio frequency device and is transported to the external environment. The application realizes the organic fusion of the LTCC substrate and the heat dissipation technology and strengthens the efficient cooling of the high heat flux density radio frequency device.

The application discloses a kind of based on hydrogen combustion and micro needle electrode ignition ultra-high energy density micro engine device and preparation method thereof, belong to micro electro mechanical system and micro energy technology field.The device mainly includes top cylinder shell, bottom cylinder shell, piston, top plug-in unit and bottom plug-in unit.It is in that a pair of opposite micro needle electrode in micro combustion chamber ignites pre-mixed hydrogen / oxygen, generates high-temperature high-pressure gas to push piston to carry out two-stroke reciprocating motion, to convert chemical energy directly into mechanical energy.The device adopts unique combustion chamber flow channel design, combined with the flow divider on piston, effectively optimizes scavenging process, reduces fuel short circuit, improves gas exchange efficiency.

The application discloses a wave micro-channel radiator with a micro needle fin array, which comprises a heat-conducting bottom plate and a heat-conducting cover plate, at least two vertical fins are fixedly connected to the upper portion of the heat-conducting bottom plate, the top of the fin is fixedly connected with the heat-conducting cover plate, two adjacent fins and the heat-conducting bottom plate and the heat-conducting cover plate connected therewith form an independent micro-channel heat transfer unit, and the two ends of the micro-channel heat transfer unit are respectively a working medium outlet and a working medium inlet; the micro-channel heat transfer unit comprises a micro needle fin array and a wave channel; when the micro needle fin array is fixedly arranged on the upper surface of the heat-conducting bottom plate and the lower surface of the heat-conducting cover plate, the opposite surfaces of the two adjacent fins are both in a wave shape, so that the wave channel is formed between the fins and the heat-conducting bottom plate and the heat-conducting cover plate; when the micro needle fin array is fixedly arranged on the side surface of the fin, the upper end surface of the heat-conducting bottom plate and the lower end surface of the heat-conducting cover plate are both provided with wave-shaped grooves, so that the wave channel is formed between the fins and the heat-conducting bottom plate and the heat-conducting cover plate, the heat dissipation efficiency is improved, and the thermal resistance and the flow resistance are reduced.

The utility model belongs to test fixture technical field especially relates to a split type bullet micro needle module and test fixture. The both sides of core needle plate are established with first needle groove group and second needle groove group respectively, the first side edge needle plate and the second side edge needle plate respectively located the both sides of core needle plate, the side of first side edge needle plate is established with the third needle groove group corresponding with first needle groove group, the side of second side edge needle plate is established with the fourth needle groove group corresponding with second needle groove group, the first needle group and the second needle group are formed by a plurality of bullet micro needles, the part of bullet micro needle of first needle group is installed in first needle groove group, and a part is installed in third needle groove group, the part of bullet micro needle of second needle group is installed in second needle groove group, and a part is installed in fourth needle groove group. The utility model discloses a split type needle plate structure, disperses needle groove processing load, promotes needle plate deformation resistance, has the advantages such as convenient processing, high yield, low manufacturing cost.

The utility model relates to the technical field of micro-needle modules, and provides a floating micro-needle module of an FPC, which comprises a fixed base and a movable matching seat, the movable matching seat comprises a micro-needle plate seat body and a lower pressing plate seat body, the micro-needle plate seat body is located between the lower pressing plate seat body and the fixed base, and a plurality of first floating elastic pieces are arranged between the micro-needle plate seat body and the lower pressing plate seat body. A plurality of second floating elastic pieces are arranged between the micro-needle plate seat body and the fixed base, a limiting structure is arranged between the movable matching seat and the fixed base and comprises a plurality of limiting holes and a plurality of limiting columns, the limiting holes are formed in the fixed base, and the limiting columns are fixedly connected with the micro-needle plate seat body and located in the limiting holes in a one-to-one correspondence mode; the longitudinal section of each limiting column is of an isosceles trapezoid structure, and the upper bottom of each limiting column is wider than the lower bottom of the limiting column. According to the technical scheme, the problem that the micro-needle structure on the micro-needle module is easily damaged due to the fact that the micro-needle module shakes in the downward pressing process in the prior art is solved.

The utility model relates to the technical field of micro-needle dies, and discloses a magnetic micro-needle positioning forming die which comprises a lower die, a supporting plate is installed at the top of the lower die, grooves are formed in the two sides of the interior of the supporting plate, an upper die is installed at the top of the supporting plate, and ejection assemblies are fixedly connected to the two ends of the two sides of the supporting plate. The two ends of the two sides of the upper mold are both slidably connected with fixing assemblies. According to the magnetic type microneedle positioning forming die, after production is completed, the fixing assembly can be opened, and the upper die and the supporting plate can automatically move upwards under the action of the ejection assembly, so that a finished product is lifted up from the lower die, and the finished product can be taken out conveniently.

1. The name of the design product: RF micro needle (Genius RF 49). 2. The use of the design product: for RF micro needle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses an ophthalmic microscopic needle holding forceps with a locking function, which comprises a first clamping plate and a second clamping plate arranged opposite to the first clamping plate, the first clamping plate is hinged with the second clamping plate, a locking groove is arranged on the first clamping plate, a push block is arranged on the second clamping plate in a sliding manner, a clamping block is connected onto the push block, and the clamping block is connected with the locking groove. The clamping block is matched with the locking groove, and a clamping groove is formed in the clamping block. According to the needle holding forceps, when an object is clamped, only the first clamping plate and the second clamping plate need to be clamped, after the object is clamped, the clamping block can be inserted into the locking groove, when the object is clamped for a long time, the pushing block is pushed to enable the first clamping plate to be clamped into the clamping groove, and the first clamping plate and the second clamping plate cannot be separated after the needle holding forceps are released from the hand; therefore, the object does not fall off, an operator does not need to clamp the needle holding forceps forcefully for a long time, and finger fatigue is avoided.

Devices and methods for delivering treatment fluids or particulates such as, stem cells, drugs, Botox and like, to an inner lining of a bladder for treatment of urinary tract disorders, including over-active bladder. A balloon delivery system can include an inflation balloon having a plurality of micro-needles configured to pierce and otherwise puncture an inner bladder wall so as to deliver the treatment fluid to bladder tissue. The treatment fluid can be directly injected into the bladder tissue using the micro needles. Alternatively, the micro needles can be fabricated of bioabsorbable or bioresorbable materials such that the micro needles can remain embedded within the bladder tissue to deliver the treatment fluid or particulate.

The invention provides a micro needle bed and a micro needle table, and relates to the technical field of chip testing. The micro needle seat comprises a first sliding mechanism, a second sliding mechanism and a third sliding mechanism, the first sliding mechanism comprises a first sliding seat, a first sliding plate, a first driving part and a second driving part, the first driving part is linked with the first sliding plate, external force drives the second driving part to move in the third direction, and then the first sliding plate is driven by the first driving part to move in the first direction; the second sliding mechanism comprises a second sliding seat, a second sliding plate, a third driving part and a fourth driving part, the third driving part is linked with the second sliding plate, external force drives the fourth driving part to move in the third direction, and then the third driving part drives the second sliding plate to move in the second direction; the fixed end of the third sliding mechanism is fixedly connected with the second sliding plate, and the output end of the third sliding mechanism reciprocates in the third direction and is used for being connected with a probe. The size of the micro needle seat is small, and the space required for installation is small.

The invention is suitable for the technical field of blood vessel anastomosis, and provides a microneedle fixing medical microvessel anastomat which is used for anastomosis of a blood vessel A and a blood vessel B. The microneedle fixing medical microvessel anastomat comprises an anastomosis ring, the inner wall of one end of the anastomosis ring is arranged to be a guide inclined face, a fixing microneedle is arranged on the outer wall of the anastomosis ring, and a guide microneedle is arranged on the guide inclined face. The traction end of the blood vessel A penetrates through the anastomosis ring and is turned outwards to be arranged outside the anastomosis ring in a sleeving mode, the traction end of the blood vessel B is arranged outside the blood vessel A in a sleeving mode, the fixing micro needle penetrates into the blood vessel A and the blood vessel B, and the guiding micro needle penetrates into the blood vessel A. The device solves the problems that the anastomosis difficulty is increased and the blood supply patency rate of the blood vessel after anastomosis cannot meet the requirement due to retraction and collapse generated in the microvessel anastomosis process, and achieves the effects of avoiding retraction and collapse of the microvessel after anastomosis due to the elasticity of the microvessel and improving the blood supply patency rate.