20 results about "Skin puncture" patented technology

The invention relates to a hand-held microneedling device (1; 20) for local puncturing of a skin, comprising a housing (2); a drive device which is arranged in the housing (2) and is configured to provide a drive force; a skin puncturing device (6); a microneedling puncturing tool (8) which is formed on the skin puncturing device (6) and is connected to the drive device such that, during operation, the microneedling puncturing tool (8) can be moved back and forth at a repetition rate by means of the drive force; and a needle plate (9) which is formed on the microneedling puncturing tool (8) and on which a plurality of puncturing needles (10) are arranged distributed over a front-side application surface (11); wherein, during operation, the microneedling puncturing tool (8) can be moved back and forth, between a front working position and a rear working position which is retracted in comparison thereto, by means of the drive force at the repetition rate. Furthermore, a skin puncturing device (6) for a hand-held microneedling device and an article are provided.

1. The name of the design product: disinfection cotton swab folding device. 2. The use of the design product: the design is used for disinfection cotton swab folding device, breaking independent packaging disinfection cotton swab, discarding the waste part, so as to reduce the skin puncture infection rate caused by secondary pollution of disinfection cotton swab. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective drawing.

A card cutting tool effectively solves the problems that when a card is cut at present, the card is prone to displacement and inclination, and the right angle is prone to pricking the skin. Comprising a bottom plate, a sliding way is fixed to the rear side of the bottom plate, a sliding strip is slidably connected to the sliding way, a limiting mechanism is arranged on the sliding strip, the sliding strip is rotationally connected with two front-back opposite swing rods, a pressing plate is fixed to the lower ends of the two swing rods, a lower cutter is fixed to the right end of the bottom plate, and an upper cutter capable of being matched with the lower cutter is arranged on the right side of the bottom plate and can move up and down. The rear end of the upper cutter and the rear end of the lower cutter are both in a fillet shape, a plurality of scale grooves distributed in the left-right direction are formed in the upper surface of the sliding way, and numerical values are arranged on one sides of the scale grooves. The cutting device is ingenious in structure, convenient to use, simple in structure, easy to popularize and use, capable of preventing the problems of shifting or cutting inclination due to the fact that hands touch cards needing to be cut by mistake, capable of improving the cutting effect and improving the hand feeling during use and capable of avoiding skin puncturing.

The application discloses an integrated automatic blood-squeezing peripheral blood glucose detection device, which comprises a host computer (1) and a detachably connected disposable sterile integrated core (2). The disposable sterile integrated core (2) comprises a microneedle assembly (4), an elastic squeezing structure (3) arranged around the microneedle assembly (4), a blood glucose detection test paper (6), a capillary blood guiding channel (5) and an electrode contact (7). When the microneedle assembly (4) completes skin puncture, the elastic squeezing structure (3) applies synchronous micro mechanical squeezing force to the tissue around the blood sampling site, so that blood seeps out and is automatically transported to the blood glucose detection test paper (6) through the capillary blood guiding channel (5). The blood glucose detection test paper (6) is internally integrated in the disposable sterile integrated core (2), and the electrode contact (7) is used for electrical connection with the host computer (1). The application realizes the integration of blood sampling, automatic blood squeezing, blood guiding and detection by using a pure mechanical structure, and does not need manual blood squeezing and manual sample adding. The application has the advantages of simple structure, low cost, simple operation, safety and sanitation, and is suitable for rapid blood glucose detection in family and hospital scenes.

The application relates to a puncture point adjusting and pressing device, and belongs to the technical field of hemostasis pressing devices. In order to solve the problems that the prior art cannot accurately press two puncture points, the pressing force cannot be self-adaptively adjusted according to the change of the blood vessel pressure, and the setting of the anti-pressure sore and sweat releasing structure leads to poor hemostasis pressing effect, poor comfort of patients and low practicability, the application provides a puncture point adjusting and pressing device which comprises a fixing belt and a contact base which is integrally formed with the fixing belt, a pressing mechanism is arranged on the contact base, the contact base is pressed to press and hemostasis the puncture points; specifically, the pressing mechanism is composed of a skin puncture point pressing assembly and a blood vessel pressure sensing assembly, the pressure of the blood vessel can be changed to self-adaptively adjust the pressing force of the skin puncture point and the blood vessel puncture point, so that the blood in the blood vessel can be normally transmitted, and the comfort of the patient during pressing is improved.

This invention belongs to the technical field of medical materials and discloses a core-shell microneedle patch with anti-inflammatory and cartilage-protective functions, its preparation method, and its application. Method: 1) Prepare psoralen-loaded nanoparticles Mi@PSO; 2) Prepare a shell solution by mixing methacryloyl hyaluronic acid, HPA, and a photoinitiator; prepare a core solution by mixing HA and Mi@PSO; add the shell solution to the needle cavity of a microneedle mold and perform ultraviolet cross-linking to form the shell layer; add the core solution to the interior of the shell layer to form the core layer; add a hyaluronic acid solution to the mold, dry to form a backing layer, and demold to obtain a core-shell microneedle patch with anti-inflammatory and cartilage-protective functions. The microneedle patch of this invention has a regular needle morphology, a clear core-shell layered structure, good mechanical properties and skin puncture ability, and stable continuous release behavior; achieving inflammation regulation and cartilage protection. The microneedle patch of this invention is used to prepare products for the local treatment of rheumatoid arthritis.

This utility model belongs to the field of medical auxiliary device technology, specifically an internal auxiliary traction device for endoscopic thyroid surgery. It includes two support arms and a limiting component. The rear ends of the two support arms are screwed together. The limiting component is located between the two support arms, with one end screwed to the middle of one support arm. The limiting component has multiple slots for fixing, and correspondingly, the other support arm has a locking slot that matches the slots. By engaging the locking slots in different slots on the limiting component, the two support arms maintain different opening angles. The outer side of the front end of each support arm has a contact portion for contacting the area requiring traction to expose the surgical field. The support arm also has a clearance opening to facilitate the movement of the limiting component and the folding of the device. The overall structure of this utility model is simple, foldable for easy storage, and does not require skin puncture, thus avoiding additional damage.

The application discloses a kind of microneedles, the microneedle includes first component, second component and water, wherein, first component is organic acid, second component is amino acid and / or active peptide, wherein, the mass ratio of first component and second component is 0.2-2:1;The mass percentage of injectable water is 0.05-5%, and the elastic modulus of the microneedle is greater than 1Gpa.The microneedle of the application has good forming rate, high hardness of needle tip, high skin puncture rate, can effectively improve the transdermal efficacy of active ingredients such as cosmetic peptides, and the soluble microneedle can be suitable for various skin, mucosa infectious diseases and medical beauty skin care.

This invention provides an acupuncture point embedding device, comprising: a housing; a first motor disposed within the housing; a swing assembly comprising: a second motor, an electric telescopic rod, and a hinge, the second motor being disposed at the drive end of the first motor and connected to the hinge via the electric telescopic rod; an inner cylinder, the upper part of which is rotatably connected to the hinge, an electromagnet being disposed on the inner cylinder and detachably connected to the hinge; a vertical drive assembly disposed within the inner cylinder, the vertical drive assembly comprising a needle tube and a pusher, the needle tube and the pusher being detachably connected, the vertical drive assembly being used to drive the needle tube and the pusher to move vertically respectively; and an electrically controlled turntable disposed on the vertical drive assembly, the electrically controlled turntable having multiple through holes for accommodating thread bodies, the electrically controlled turntable being disposed on the docking path of the needle tube and the pusher. Thus, after a single skin puncture, the needle tube can be precisely tilted in any direction, and multiple threads can be automatically and continuously embedded.

The present disclosure relates to a capillary blood collecting device which includes a fixing device including an accommodating cavity for accommodating a blood collection finger and a squeezing member for squeezing blood to a fingertip site. The capillary blood collecting device is configured to detachably accommodate at least one skin puncture part on a blood collection side of the finger, and the skin puncture part includes a blood lancet that may be driven to puncture the blood collection finger, such that a sufficient amount of capillary blood quickly flows out from the capillary blood converged at the fingertip under the action of blood lancet.

1. The name of the design product: blood sampling pen. 2. The use of the design product: skin puncture device, such as blood sampling for blood testing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The embodiment of the invention provides a simulation acupuncture point stimulation auxiliary device, and relates to the field of acupuncture training. The simulation acupuncture point stimulation auxiliary device comprises an acupuncture tensioning assembly, a frame fixing assembly, a supporting arm assembly and a needle penetrating assembly, a human body template and a mold plate can imitate a human body, the mold plate can form different skin area forms according to a guide lamp part, and when the tensioning degree of an imitated skin acupuncture point penetrating part is adjusted, the human body can be simulated. Only the air pump part needs to be used for punching the interior of the imitation leather hole-penetrating part, and the imitation leather hole-penetrating part is extruded and shrunk; the rolling hole needle body is inserted into the imitation leather hole penetrating part, the insertion and extraction force of the hole penetrating needle body can be detected under the action of the force transmission part, the force sensing part and the magnetic conduction part, the needle feeding depth of an operator is obtained according to the obtained data and the contraction state of the imitation leather hole penetrating part, the needle feeding depth data is compared with pre-recorded needle feeding data, and the needle feeding depth of the operator is determined. Therefore, the operator can conveniently and reasonably adjust the operation method of the operator.

This invention relates to a combined patellar fracture fixation device, comprising a Kirschner wire with threads at both ends, a tail cap, and a two-hole steel plate. The threaded Kirschner wire has a sharp end and a flat end, with an unthreaded middle section. The tail cap has a central channel connecting both ends of the Kirschner wire, with the thinner end embedded in the patellar bone. The two-hole steel plate has different widths at both ends; the wider end has a hole that connects to the tail cap, while the narrower end has a hole through which a tension band cable can pass. The Kirschner wire, tail cap, and steel plate are combined to form a patellar fracture fixation device, used in pairs. Connecting the cable creates a tension band for fixation. This invention offers better stability than traditional Kirschner wire tension band technology, effectively reducing the likelihood of loosening and displacement of the traditional Kirschner wire, the risk of cable slippage leading to tension band failure, and reducing the risk of irritation to surrounding tissues and skin puncture by the tail of the traditional Kirschner wire. This facilitates early postoperative functional exercises for patients, promotes patellar fracture healing, and provides a new and more effective fixation device for patellar fractures.

The utility model relates to the technical field of beauty bars, and discloses an adjustable microneedle beauty bar which comprises a handle and microneedle bar bodies, the microneedle bar bodies are rotatably arranged on the handle, each microneedle bar body is formed by combining a shell, a microneedle plate and an adjusting assembly for adjusting the length of a microneedle, a plurality of microneedle bodies are arranged on the microneedle plate in an array mode, and the microneedle bodies are arranged on the shell. The shell is provided with through holes matched with needle bodies of the micro-needles, the micro-needle plates are symmetrically arranged on the two sides of the adjusting assembly, the adjusting assembly comprises a rotating shaft rotationally arranged in the shell, a plurality of rotating plates are arranged on the rotating shaft at equal intervals in an array mode, and two connecting plates are symmetrically arranged on the rotating plates with the rotating shaft as the center; one end of the connecting plate is hinged to the rotating plate, the microneedle plate is provided with connecting pieces with the same number as the rotating plate, and the other end of the connecting plate is hinged to the connecting pieces. According to the device, the extending length of the microneedle can be adjusted, the device is suitable for different skin areas and problems, and meanwhile it is ensured that the skin puncturing depth is consistent every time.

This utility model belongs to the technical field of compression hemostasis devices, specifically relating to a dual-point positioning compression hemostasis device. It includes a fixing part, a first hemostasis part, and a second hemostasis part. The first hemostasis part includes a first positioning frame and a first pressing element; the first pressing element and the first positioning frame are detachably connected. The second hemostasis part includes a second positioning frame and a second pressing element; the second pressing element and the second positioning frame are detachably connected. Both ends of the fixing part are slidably connected to the first and second positioning frames, respectively. It also includes an adjustment part; both ends of the adjustment part are detachably connected to the first and second positioning frames, respectively. The first and second hemostasis parts provide precise compression hemostasis at skin puncture points and vascular puncture points, effectively preventing subcutaneous hematoma and fistula endothelial damage, thus extending the lifespan of the arteriovenous fistula. The states of the first and second hemostasis parts can be adjusted to regulate the pressure intensity, meeting the dual requirements of dual-point positioning and precise pressure control.

1. Name of the product in this design: Penetration needle. 2. Purpose of this design: For skin puncture testing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to hemodialysis technical field especially, it is a kind of pipeline connecting device of immediate wear type artificial blood vessel, including subcutaneous tissue layer, the skin layer of being in the upper layer of subcutaneous tissue layer, the venous blood vessel and arterial blood vessel being arranged between subcutaneous tissue layer and skin layer and the artificial blood vessel being established between venous blood vessel and arterial blood vessel. In the utility model, the original artificial blood vessel structure is improved scientifically and rationally, venous transfusion port, arterial transfusion port, oval puncture bevel and rubber septum are arranged on artificial blood vessel, artificial blood vessel can be embedded between subcutaneous tissue layer and skin layer, and skin puncture hill, which is convenient for puncture needle to puncture and position, can be formed on skin layer, effectively reduce the risk problems such as surgical trauma, puncture risk, catheter infection, central vein stenosis and even occlusion of hemodialysis process of hemodialysis patient, thereby improve the security and stability of actual hemodialysis use.

The present application relates to a soluble microneedle patch of semaglutide and a preparation method and use thereof. The soluble microneedle patch of semaglutide comprises a drug-loaded needle tip layer and a back plate layer; the drug-loaded needle tip layer comprises semaglutide and a needle tip layer matrix material; the weight percentage of the semaglutide is 85% to 92% and the weight percentage of the needle tip layer matrix material is 8% to 15% based on the total weight of the drug-loaded needle tip layer being 100%; and the needle tip layer matrix material is hyaluronic acid or a salt thereof. The soluble microneedle patch of semaglutide has excellent needle type, superior mechanical strength and skin puncture performance, high safety, fast drug release and penetration rate, and excellent drug utilization rate and bioavailability; the preparation method is simple, controllable, and suitable for large-scale production. In addition, the soluble microneedle patch of semaglutide is convenient and quick to administer, has high patient compliance, and has a broad clinical application prospect.

The invention discloses an anesthesia puncture auxiliary positioning method and system based on ultrasonic image recognition. The method comprises the following steps: acquiring an initial ultrasonic image in real time; segmenting a network model based on improved deep learning, introducing a time sequence module into the network model, and performing real-time semantic segmentation on the initial ultrasonic image to obtain a segmented ultrasonic image; according to the segmented ultrasonic image, calculating an optimal puncture path of a puncture needle from a skin needle insertion point to a target position by using a multi-objective optimized path planning algorithm; and acquiring pose data of a puncture needle in a three-dimensional space, displaying the optimal puncture path and the pose data on a display image in an overlapping manner for anesthesia puncture auxiliary positioning, and adjusting the puncture path according to real-time data in the puncture process until a needle point reaches a target position. And the accuracy and efficiency of the needle point reaching the target area are improved.

The invention relates to a pressing trigger type blood sampling pen. The pressing trigger type blood sampling pen comprises a trigger assembly, a percussion assembly and a buffering reset assembly. The trigger assembly comprises a trigger pen cap and a trigger sleeve arranged in the trigger pen cap, the head end of the trigger sleeve extends out of the trigger pen cap, and the trigger sleeve can axially retract; the percussion assembly comprises a percussion cartridge inner rod and an energy storage percussion spring, and the percussion cartridge inner rod is arranged in the trigger sleeve; the energy storage percussion spring is arranged between the percussion refill inner rod and the buffering reset assembly, an unlocking mechanism is arranged between the trigger sleeve and the percussion refill inner rod, and a locking mechanism is arranged at the tail of the trigger pen cap. The trigger sleeve can trigger the unlocking mechanism to act when being pressed and retracted with the skin, so that the locking mechanism can unlock the percussion cartridge inner rod, and the energy storage percussion spring can drive the percussion cartridge inner rod to extend forwards to complete the skin puncture of the blood taking needle; the buffering reset assembly comprises a reset outer cylinder and a reset spring, and the reset spring is connected with the tail end of the percussion refill inner rod in a hanging mode.