33 results about "Local anesthesia" patented technology

The invention relates to a throat natural cavity operation platform, and belongs to the technical field of medical instruments, the throat natural cavity operation platform comprises an operation table, a support frame, a lower support mechanism and a bendable throat cannula, the two ends of the operation table in the width direction are the front end and the rear end respectively, a patient sits in front of the operation table through a seat, and a doctor sits behind the operation table through the seat; the support frame is fixed on the table top close to the front part of the operating table; the lower support mechanism comprises an electric push rod and a lower jaw support; the electric push rod is fixed on the support frame and a telescopic end thereof reciprocates along the height direction of the support frame; the supporting frame is fixed to the telescopic end of the electric push rod. The throat cannula is located above the rear portion of the lower jaw support and fixed to the supporting frame. A traditional throat cavity operation platform structure is subverted, a sitting type operation is adopted to replace a horizontal type operation, the throat operation of local anesthesia can be implemented, the worry of a patient is reduced, the operation convenience of a doctor can be improved, the treatment effect is improved, and the medical cost is reduced.

The invention provides an antibacterial and anti-inflammatory traditional Chinese medicine compound preparation and a preparation method thereof. The compound preparation is prepared from the following raw materials in parts by weight: 10 to 30 parts of fructus forsythiae, 10 to 25 parts of flos chrysanthemi, 15 to 40 parts of rhizoma imperatae, 5 to 10 parts of herba menthae, 0.5 to 3 parts of borneol and 0.1 to 3 parts of camphor. The main innovation point of the formula is that triple mechanisms of clearing away heat and toxic materials, repairing mucous membranes and rapidly relieving pain are innovatively fused; instantaneous mucous membrane permeation is realized through volatile components (borneol, mint and camphor), and itching and pain are quickly relieved; forsythia suspense-chrysanthemum-couch grass root synergistically inhibit release of inflammatory factors and radically diminish swelling, and the specific functions are as follows: forsythia suspense has antibacterial and antiviral effects and inhibits streptococcus in throat; chrysanthemum has the effects of clearing liver fire, relieving heat toxin and eliminating mucosal hyperemia; the couch grass root can promote salivation, moisten dryness and repair damaged mucosa; mint is capable of quickly relieving itching and promoting transmembrane absorption of the medicine; borneol is used for instantly cooling and easing pain and opening a cell channel; and camphor and local anesthesia enhance the pain relieving time efficiency.

The invention discloses a compound with a local anesthesia function as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The preparation method of the compound comprises the following steps: mixing and heating lidocaine and 2-bromoethanol to obtain a compound 1; the preparation method comprises the following steps: mixing dicarboxylic acid, N-hydroxysuccinimide, 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and a solvent to obtain a mixed solution; mixing and dissolving a compound 1, alkali and a solvent, and then adding into the mixed solution; and then carrying out spin-drying, separation and purification to obtain the compound with the local anesthesia function. The medicine can be used as a local anesthetic or analgesic for long-acting nerve block or selective nerve block. The medicine can block nerve conduction, has biocompatibility and biodegradability, is expected to overcome the problems of short time efficiency of single-needle injection and the like, and improves the efficacy of the medicine.

The application relates to the technical field of femoral head necrosis treatment, in particular to a bionic artificial balloon type half hip joint, which comprises a sleeve, a femoral neck, a fixing screw and a femoral neck limiting nut, the sleeve is fixed on a femur through the fixing screw, the femoral neck is slidingly connected in the sleeve, a balloon is fixed on the outer periphery of the top section of the femoral neck, the inside of the femoral neck is hollow, and a side hole is arranged at the top end of the femoral neck and communicates with the balloon, and the femoral neck limiting nut is used for being fixed in the sleeve to position the femoral neck. The balloon type femoral head is compared with the metal and ceramic femoral heads, the balloon type femoral head is more matched with the shape of the acetabulum in terms of shape, the elastic modulus of the balloon type femoral head is equivalent to that of the bone cartilage of the acetabulum, the balloon type femoral head is beneficial to cartilage nutrition, and the wear of the bone cartilage of the acetabulum is small; the balloon is in a shriveled state when no filler is filled in the balloon, the balloon can be placed in the femur along the sleeve, the joint capsule and the medullary cavity do not need to be opened, the trauma is small, the risk of subsequent infection and dislocation is small, meanwhile, the prosthesis wear can be replaced through the sleeve, and the replacement is convenient and fast and can be completed under local anesthesia.

The invention provides a microneedle anesthesia analgesia system and method for painless local anesthesia injection, and the system comprises a bionic gradient microneedle array, a mechanical drive module, an electromagnetic lead-in module, a multi-mode biosensor and a PID controller. The bionic gradient microneedle array is connected with the mechanical driving module and the electromagnetic leading-in module; the electromagnetic lead-in module is used for promoting the diffusion of the anesthetic in the in-vivo tissue; the multi-mode biosensor is used for monitoring the concentration of anesthetic in vivo, the pH value of tissues and drug metabolites in real time and sending the acquired information to the PID controller; and the PID controller is used for dynamically adjusting the microneedle penetration length, the drug release rate and the electromagnetic introduction intensity parameter according to the information sent by the multi-mode biosensor. By means of the technical scheme, the local anesthesia analgesic effect without injection pain is truly achieved.

The utility model provides an oral cavity local anesthesia injection needle head protective cover, which belongs to the technical field of medical appliances and comprises a needle tube, a groove is arranged on the outer side of the needle tube, a plurality of first springs are arranged in the groove, a telescopic plate is arranged above the plurality of first springs, and a first telescopic rod is arranged in the middle of each first spring. A penetrating hole is formed in the side face of the needle tube above the telescopic plate, a fixing piece is arranged at the penetrating hole, a sliding block is arranged on the side, close to the telescopic plate, of the fixing piece, a cabin is arranged in the connecting piece, a second spring is arranged on the side face of the sliding block in the cabin in the connecting piece, and a hole is formed in the position, at the center of the second spring, of the connecting piece. According to the anesthetic injection needle, a layer of limiting area can be rapidly formed on the periphery of the injection needle after anesthetic injection is completed, medical staff can operate the anesthetic injection needle with one hand through the button, and the problems of medical exposure and the like caused by pricking injury can be effectively solved.

The invention discloses a mu-type conotoxin peptide, polynucleotide encoded by the mu-type conotoxin peptide and application of the mu-type conotoxin peptide. The amino acid sequence of the mu-type conotoxin peptide is shown as SEQ ID NO. 1. The invention provides a mu-type conotoxin peptide with higher biological activity than wild-type mu-type conotoxin, which can specifically block a Nav1.4 channel and reduce muscle contraction so as to be helpful for preventing and reducing wrinkles, and also can provide local anesthesia and reduce muscle activity, thereby playing an important role in the fields of beauty and medical treatment.

This invention discloses a library of traditional Chinese medicine (TCM) compositions based on general and local anesthesia mechanisms, along with various dosage forms and preparation methods. The invention constructs a systematic library of TCM anesthetic compositions: the general anesthetic composition consists of extracts from herbs such as Datura stramonium, Datura stramonium, processed Aconitum carmichaelii, processed Aconitum kusnezoffii, Saussurea involucrata, Jasminum sambac root, Rhododendron molle, and Sanqie Sanqie; the local anesthetic composition consists of extracts from herbs such as Asarum heterotropoides, Murraya paniculata, Ephedra sinica, Toad venom, and Corydalis yanhusuo. This invention further develops the above compositions into various modern dosage forms, including injections, tablets, capsules, and sprays. In particular, this invention innovatively introduces a clove-cinnamon natural preservative and flavoring system to replace chemical preservatives. In terms of preparation technology, advanced technologies such as supercritical CO2 extraction, microwave-assisted extraction, nano-embedding, and nanoemulsions are integrated, and a self-extraction scheme is adopted to achieve controllable quality and cost. Simultaneously, a quality detection method based on HPLC fingerprinting is established. This invention achieves full-scenario coverage of anesthesia and analgesia, from general to local, from emergency to routine care, with outstanding advantages of safety, effectiveness, and controllable quality.

The application discloses a local anesthetic device for oral cavity and relates to the technical field of medical auxiliary appliances. The appearance shape of the needle causes fear in people, and the exposed needle can make people focus on the pain caused by the needle when the injection is performed, so that the pain is increased. The application provides a local anesthetic device for oral cavity, which comprises a liquid pushing structure, a medicine liquid containing tube and an operating tube connected in an axial direction, and an injection structure arranged at the other end of the medicine liquid containing tube and comprising a retractable needle. The visual fear of the patient can be relieved by the design of the needle shielding structure, the anxiety is reduced, the treatment compliance is improved, and the operation risk is reduced. Meanwhile, the liquid pushing assembly is designed, so that the medical staff can perform one-handed operation.

The application discloses a minimally invasive fixing device suitable for correction of a concealed penis, which is a non-surgical correction device, comprising a hollow puncture needle, a shrapnel assembly implantable into a human body and a medical suture; a shrapnel push rod capable of pushing the shrapnel assembly out of the puncture needle is arranged in the pipe body of the puncture needle; the shrapnel assembly is arranged in the puncture tip of the puncture needle in a curved shape and is automatically opened after being pushed out by the shrapnel push rod; one end of the medical suture is fixedly connected with the shrapnel assembly, and the other end is led out through the pipe body end of the puncture needle along the length direction of the puncture needle. The shrapnel assembly is bent and accommodated in the puncture tip of the puncture needle, the shrapnel push rod is used for pushing the shrapnel assembly out and automatically opening, and the rapid implantation and anchoring operation under a single puncture path are realized. The conventional general anesthesia correction operation can be replaced, no incision under local anesthesia, rapid correction are realized, and a non-surgical method for the concealed penis is realized, which is local anesthesia, super micro-invasive, rapid correction and safer.

A silicone implant is fixed onto the thyroid cartilage and the implant has a guide channel extending therethrough. The placement allows fixation to the cartilage by blade portions on opposite sides of the implant, with the guide channel being positioned in front of the muscles to be treated. The implant enables safe, accurate, and repeatable injections into internal laryngeal muscles under local anesthesia, and simplifies surgical access, increases accuracy, and reduces risks associated with traditional techniques.

The invention relates to a local anesthesia dosage control system based on CFD (Computational Fluid Dynamics) and PC-MRI (Personal Computer-Magnetic Resonance Imaging) coupling and a working method thereof, and the system comprises an information collection unit which is used for collecting physical examination and medical evaluation information of a patient; the geometric unit is used for acquiring a T2 weighted MRI image sequence; the calculation model unit is used for determining the range of a lumbar, thoracic and vertebral segment calculation domain; a measurement unit for phase encoding using PC-MRI; the cerebrospinal fluid dynamic unit is used for acquiring an initial flow field of cerebrospinal fluid flow of the spinal canal of the patient; the dosage selection unit is used for selecting the injection dosage of the local anesthetic; the intrathecal administration calculation unit is used for establishing coupling analysis to obtain a local anesthetic concentration value of a blocking plane; and the dose evaluation unit is used for quantitatively evaluating the concentration value of the local anesthetic. The system is beneficial for improving the accuracy and safety of local anesthesia medication.

The invention discloses a treatment method for intractable pneumothorax under the guidance of CT (Computed Tomography), which comprises the following steps of: 1, carrying out clinical examination before an operation on an intractable pneumothorax patient needing to be treated through clinical consultation, carrying out consultation judgment according to the clinical examination, and signing an informed consent before the operation; the position and the form of the broncho pleural fistulae are accurately displayed through CT three-dimensional reconstruction, the position of the fistulae is accurately punctured through a PTCB needle under local anesthesia, the purpose of plugging the fistulae is achieved by selecting proper plugging materials such as a medical adhesive / iodized oil mixture, a spring ring and gelatin sponge, and the clinical applicability of the intractable pneumothorax plugging operation under CT guidance is high; required CT and plugging materials are conventionally available in primary hospitals; the device is simple in structure, convenient to operate, accurate in plugging and capable of being carried out only under local anesthesia, most patients can tolerate multiple operations, minimally invasive, safe, efficient and instant in effect, has very important diagnosis and treatment significance on treatment of most refractory pneumothorax, and is worthy of clinical application and popularization.

The invention belongs to the technical field of local anesthesia, and particularly relates to an automatic drug delivery anesthesia patch which comprises a paper tearing layer, a pasting layer, an injection layer and a drug storage layer which are attached in sequence, and the injection layer comprises an injection bin, a microneedle and a driving mechanism; the medicine storage layer comprises a medicine storage bin and an anesthetic conveying mechanism, and the pasting layer, the injection bin and the medicine storage bin are sequentially attached to one another; anesthetic is stored in the medicine storage bin; the number of the microneedles is multiple, and the multiple microneedles are movably installed in the injection bin. The driving mechanism is mounted in the injection bin; the medicine storage bin is communicated with the injection bin through the anesthetic conveying mechanism; and the microneedle is provided with an injection channel communicated with the injection bin. The anesthesia patch can carry more anesthetic drugs, better anesthesia is achieved, the anesthesia time is longer, additional pressure does not need to be applied in the injection acupuncture process, the injection acupuncture process is rapid, process stabbing pain can be effectively reduced, and painless anesthesia is better achieved.

The invention relates to the technical field of artificial intelligence, and discloses an intelligent evaluation method and system for children local anesthesia kidney puncture adaptability, and the method comprises the steps: obtaining multi-dimensional feature data of a children patient through a hospital information system interface and a manual input interface; preprocessing the data and constructing a nonlinear interaction feature item representing a coupling relationship between dimensions; inputting the feature vectors into an integrated learning model, outputting a matching degree score and determining a risk level; and generating a personalized preoperative intervention scheme based on the risk level and the key negative dimension identified by the model. The system corresponds to the method. According to the method, the technical limitations of high subjectivity and single dimension of a traditional evaluation method are overcome, accurate prediction of the adaptability of the child patient is realized through multi-dimensional feature fusion and intelligent analysis, objective and quantitative decision support is provided for clinic, the operation safety is effectively improved, and the medical risk is reduced.

The utility model relates to the field of medical apparatus and instruments, concretely relates to a medical catheter with slow -release anesthetic anti -wear function, include: tubular body, sheath, balloon, main connector, syringe connector, plugging structure, anesthetic adapter, anesthetic syringe. The utility model adopts the tubular body of ureter, nasogastric tube and the mode of sheath, can adopt the method for local anesthetic administration to reduce the great pain and harm of patient when placing catheter, retaining catheter, withdrawing catheter. The tubular body of sheath can be given to inject anesthetic, can also be given to inject anti -inflammatory drug, carries out treatment to the damaged urethra or nasal cavity, and does not need to pull out the catheter treatment. The sheath plays a role of forming a layer of physical separation between the catheter or nasogastric tube and the urethra or nasal cavity during the process of placing catheter and withdrawing catheter, avoids the discomfort and injury of urethra or nasal cavity caused by the friction of catheter or nasogastric tube in the sliding process, and is simple to operate, convenient and practical.

The invention discloses an abdominal wall local anesthetic diffusion visual analysis system based on infrared temperature image features, and relates to the technical field of medical monitoring. The thermal imaging acquisition and processing module is used for performing sequence scanning at preset time points set before and after retardation operation to obtain original temperature image data; the target region feature extraction module is used for determining a target analysis region according to the retardation type and determining feature parameters according to the temperature data of the target analysis region; and the effect prediction and evaluation module takes the characteristic parameter set as the input of a time sequence prediction model, and outputs and obtains the corresponding predicted low-temperature area and predicted retardation effect level. Through the infrared thermal imaging technology, the temperature change caused by diffusion of the local anesthetic in the abdominal wall tissue after injection can be continuously captured in a non-contact and non-radiation mode, so that the two-dimensional diffusion profile and the dynamic migration process of the local anesthetic can be visually presented in real time, and then corresponding visual information can be provided.

The invention discloses a three-dimensional CT-assisted accurate positioning method for intracerebral hematoma, and relates to the technical field of neurosurgery cerebral hemorrhage preoperative positioning and intraoperative drainage navigation. In the prior art, intracerebral hematoma positioning lacks a three-dimensional-body surface quantitative transfer method taking a stable anatomical baseline as a reference, and high-precision consistency of a puncture point, direction and depth is difficult to consider under a local anesthesia condition. Therefore, according to the method provided by the invention, a standard baseline layer of the same layer of eyeball crystalline lenses on the two sides and the external auditory canal is established through craniocerebral three-dimensional CT thin-layer scanning, the front-back, left-right and up-down distances of a hematoma center point relative to a connecting line and a median sagittal line of the rear edge of the external auditory canal are measured, and spatial parameters are geometrically transferred to the body surface by using a T-shaped ruler; a hematoma center body surface projection point, a mirror image point and a puncture point are determined, coronal plane and sagittal plane bidirectional guidance is formed, and individualized catheterization depth control is achieved. The method is suitable for preoperative planning and intraoperative navigation of neurosurgery intracerebral hematoma drilling drainage.

The utility model relates to tonsillectomy technical field discloses a kind of sterile surgical gown that can be applied in local anesthesia tonsil surgery, including head sterile gown, the bottom of head sterile gown is fixedly connected with body sterile gown, the front of head sterile gown is equipped with square groove, the front of square groove is fixedly connected with transparent film, the lower side of head sterile gown is equipped with opening groove, the front of head sterile gown is fixedly connected with waterproof pouch, the rear of body sterile gown is provided with fixing part, the fixing part includes elastic cord, the rear of body sterile gown is fixedly connected in the end of elastic cord, the material of waterproof pouch is thermoplastic polyurethane elastomer rubber. In the utility model, sterile gown is covered on the patient during operation, and is fixed by fixing part, to reduce the risk of cross infection, avoid secondary pollution, and work efficiency can be improved without artificial cutting disposable middle gown.

A system and method for prostate cancer treatment under local anesthesia includes creating a superficial skin and subcutaneous block in a perineal area of a patient by administering a first anesthetizing agent; creating a deep nerve block under ultrasound guidance by administering a second anesthetizing agent, the second anesthetizing agent infiltrating cavernosal nerve bundle tissue and periprostatic space; and ablating prostate tissue. The office-based method, statistical models and computer generated treatment plans identify and ablate prostate tissue containing cancer through or via the perineum while preserving prostate function, and critical anatomical structures. Multiple technologies are integrated and processed to deliver a safe treatment procedure, under local anesthesia by integrating the information of magnetic resonance imaging and planning the ablative treatment using algorithms that ensure maximal precision in both killing cancerous tissue and preserving healthy tissue along with its corresponding function.

The present invention relates to a medical device developed to reduce pain during local anesthesia and injection procedures. The device is equipped with circularly arranged vibration motors, a cold application surface, and a controlled pressure mechanism. The simultaneous application of vibration, pressure, and cold stimulation prevents or delays the transmission of pain signals to the brain, thereby reducing pain experienced by the patient during the injection.

An improved local anesthetic solution with diminished bitter taste includes an anesthetic agent, an anesthetic solution vehicle, and a bitterness suppressant. The bitterness suppressant includes one or more compounds selected from the group consisting of: a sugar selected from the group consisting of monosaccharide sugars, disaccharide sugars, polysaccharide sugars, and combinations of the any of the foregoing; sweet-tasting compounds; acids; amino acids; salts; miscellaneous suppressant substances; and combinations of any of the foregoing. The improved local anesthetic solution optionally includes one or more additional agents selected from the group consisting of: buffering agents; vasoconstrictors; preservative compounds; stabilizers; contrast media agents; and combinations of any of the foregoing.

The present application relates to the technical field of catheter, and discloses a kind of comfortable dual-function medical catheter with nano coating antibacterial, including tube body, the tube head is connected to the top of the tube body, the water bag is connected to the outer wall of the top of the tube body, and the segment below water bag of the tube body is set as local anesthesia section;The outer wall of the local anesthesia section is covered with nano local anesthetic coating, and the outer wall of the tube body and nano local anesthetic coating is covered with antibacterial coating.The setting of nano local anesthetic coating and antibacterial coating makes the nano local anesthetic coating release the drug by slow-release principle and pass through the antibacterial coating, finally contacts with urethral mucosa, and then plays the effect of local anesthesia, avoids the friction irritation and pain in the process of intubation, indwelling and removal, and the antibacterial coating covers the outer side of the tube body and nano local anesthetic coating, forming a comprehensive infection protection barrier.

The utility model relates to the technical field of medical instruments, and discloses a hydrogel local anesthetic type trachea cannula which comprises a trachea body, a fixing rod is fixedly connected to the middle of the left end of the trachea body, and a plurality of wire arranging grooves are formed in the middle of the inner side wall of a wire arranging column fixedly connected to the middle of the left end of the fixing rod. Connecting rods are arranged on the sides, close to each other, of the upper, lower, left and right sides of the wire arranging groove, first fixing rings are fixedly connected to the opposite sides of the connecting rods, a plurality of adhesive bodies are fixedly connected to the middles of the left ends of the first fixing rings, and second fixing rings are fixedly connected to the middles of the left ends of the adhesive bodies. According to the utility model, the connecting rod is matched with the fixing ring I, so that the phenomenon that the hose falls off during use can be reduced, and meanwhile, the viscous colloid is matched with the wire outlet hole, so that a worker can conveniently fix the hose and then connect the hose into the connecting pipe, and the liquid medicine can be better conveyed.

The utility model discloses a skin expanding knife which comprises a handle (1) and a blade (2), one end of the handle (1) is provided with a blade installation frame (3), the blade (2) is installed on the handle (1) through the blade installation frame (3), a medicine flow channel (4) and a blood flow channel (5) are formed in the blade (2), a medicine containing groove (6) is formed in the handle (1), a medicine bag (7) is installed in the medicine containing groove (6), and the medicine bag (7) is connected with the blade (2). The medicine bag (7) is provided with a medicine outlet pipe (8), the tail end of the blade (2) is provided with a connecting pipe (9), the connecting pipe (9) is communicated with the medicine flow channel (4), and the connecting pipe (9) is connected with the medicine outlet pipe (8) through a connecting piece. The local anesthesia device can achieve local anesthesia, blood vessel bleeding can be found in time, and further damage to blood vessels is avoided.

An injectable or implantable composition is provided that is sufficiently viscous to be injectable and manually implanted at a surgical site, remains at the site of administration long enough to provide a local anesthetic effect, and is capable of providing a potent analgesic effect for 2-14 days.SOLUTION: An injectable pharmaceutical composition is provided that includes an analgesic, anesthetic, anti-inflammatory agent, or mixture thereof dispersed in a lipophilic oil, and may include a structuring agent that is at least partially insoluble in the lipophilic oil and forms a gel.SELECTED DRAWING: Figure 1

The application belongs to the technical field of medicine, and particularly relates to a chaotropic agent triggered fast absorbable protein microneedle, an anesthetic protein microneedle and a preparation method and application thereof. Iodine ions are selected as typical chaotropic agents, and gelatin is selected as a protein, and a new protein microneedle of interaction between the chaotropic agent and the protein is constructed through a two-step method. The protein microneedle has the characteristics of rheology, high mechanical strength and in-vivo fast absorption, and realizes the balance of 'processability, high mechanical strength and fast dissolution behavior'. The chaotropic agent triggered fast absorbable protein microneedle is applied to the fields of immunoregulation and local anesthesia respectively, and the system realizes the transition of the microneedle from a 'passive carrier' to an 'active therapeutic agent', and has a good application prospect.