116 results about "Anesthetic Agent" patented technology

The invention relates to the technical field of medical equipment control for anesthesia machine anesthetic gas output control, and discloses an anesthesia machine anesthetic gas output control system and method. The method comprises the following steps of: setting a control starting moment, initial and target concentrations, a rapid rising time length, a total time length and a middle and later stage slow change amplitude at one time before starting an anesthesia machine, and dividing the whole process into a rapid rising interval and a slow change interval; generating a concentration target according to a natural exponential function taking the rising time length as a time constant in the front stage, and obtaining a final value; a hyperbolic migration target slowly close to the target is constructed according to the target concentration, the slowly-changing amplitude and the rising duration in the rear section; and performing linear fusion on the final value and the hyperbolic target through a piecewise constant and time exponential decay weighting function to obtain a continuous and smooth target concentration curve, converting into a theoretical valve opening according to an anesthetic original concentration proportion, discretizing into an instruction opening in combination with an opening resolution, and forming a discrete control sequence in cooperation with fixed update time.

The invention relates to the technical field of medical instruments, and discloses anesthesia quantitative spraying equipment for the anesthesiology department. The piston push rod is arranged in the syringe and can slide in the syringe; the injection end head is arranged at the end part of the injection cylinder and is communicated with the injection cylinder; the connecting pipe is arranged at one end of the injection end, and a spraying head is fixedly mounted at one end of the connecting pipe; the injection tube is arranged at the position, close to the injection end head, of the injection cylinder and communicates with the injection cylinder, and the anesthesia quantitative spraying equipment for the anesthesiology department has the advantages that quantification is limited through movement, and compared with the operation mode that manual pressing type equipment depends on the hand force of medical staff, the operation efficiency is greatly improved; dose deviation caused by factors such as operation experience difference and hand fatigue can be effectively avoided, it is ensured that the anesthetic dose injected every time strictly conforms to a preset value, and the consistency of the administration dose is remarkably improved.

The invention discloses an anesthesia medicine supply device for the anesthesiology department, and belongs to the technical field of medicine supply, the anesthesia medicine supply device comprises a base, a pressure gauge and a control button, the outer side of the base is connected with a box door through a hinge, an injection mechanism is arranged over the base, the injection mechanism divides oxygen into two groups or a single group of anesthetic gas and injects the anesthetic gas into the base, and the pressure gauge is connected with the control button. The injection mechanism is arranged on one side of the injection mechanism, the discharging mechanism is arranged on one side of the injection mechanism, mixed oxygen and anesthetic gas are discharged after being mixed through the discharging mechanism, pure oxygen is directly discharged through the discharging mechanism, and then guided-out gas is flexibly controlled and discharged; a control panel is arranged on the outer side of the discharging mechanism, a pressure gauge is arranged on the outer side of the control panel, and a plurality of sets of control buttons are arranged on the surface of the control panel. According to the scheme, through mechanical precise transmission, precise matching and quick response of anesthesia mixed gas are achieved, and the volume adjusting error of the mixing bin can be controlled within + / -0.5%.

The present invention relates to the technical field of medical supplies and discloses an endotracheal cannula, comprising an endotracheal cannula body, on which is mounted a spray unit. The spray unit comprises a spray mechanism and a protective mechanism. The spray mechanism performs a spray function when the endotracheal cannula body is removed, and the protective mechanism is used to protect the spray mechanism. The present invention provides the endotracheal cannula with a spray mechanism, so that when the endotracheal cannula is removed, the spray unit sprays an anesthetic, thereby effectively alleviating discomfort caused by the removal. The protective mechanism is provided to protect the spray mechanism and can be selectively opened as needed to prevent the spray mechanism from being contaminated.

The invention relates to the field of medical instruments, and discloses anesthesia quantitative spraying equipment for the anesthesiology department, which comprises a support, an outer ring is mounted at the top of the support, a piston is slidably mounted at the top of the support, the anesthesia quantitative spraying equipment further comprises a sealing cylinder, the sealing cylinder is mounted at the top of the support, and a spray head is fixedly connected to the left end of the sealing cylinder. And a plurality of groups of clamping grooves and sliding grooves are formed in the outer surface of the spray head. According to the equipment, threads are arranged on the outer surface of the piston, so that the sliding block can rotate along the outer surface of the piston and change the distance between the permanent magnet and the left end of the piston, the distance between the permanent magnet and the iron block is controlled, and when the piston moves to a specified stroke, the clamping column is pulled towards the outer surface of the sealing cylinder and bent through magnetic attraction force between the permanent magnet and the iron block; therefore, the clamping columns and the outer ring are distributed in a staggered mode, the pushing force from the piston and the hydraulic force of anesthetic are not resisted, the sealing plate and the first sealing ring are triggered to abut against each other for sealing, and quantitative spraying of the device is more flexible.

The invention relates to the technical field of biomedical engineering, and discloses a neural conduction pathway quantitative analysis method and system based on a neural potential waveform. The system comprises: a bioelectric signal acquisition module configured to establish a time sequence characterizing the change of neural current over time; the waveform deep learning module is configured to fit conduction waveforms of the A beta nerve fiber, the A delta nerve fiber and the C-type fiber by using a deep learning algorithm based on the time sequence, and identify a peak point of the conduction waveform of each fiber; the quantitative analysis module is configured to calculate the frequency and intensity function of each fiber conduction signal according to the peak point, and the physiological characteristic parameters comprise the myelination degree, the conduction speed and the sensitivity to anesthetics; and the control module is configured to generate a differential blocking strategy aiming at the A beta nerve fiber, the A delta nerve fiber and the C-type fiber based on the frequency and intensity functions and generate the anesthetic dosage. And specific recognition and differential blocking control of A beta, A delta and C type fiber signals are realized.

The present application belongs to the technical field of medical devices, and discloses a stripper, which comprises a pipe body, a flow channel formed between a first end and a pipe outlet, a plurality of mutually isolated cavities separated by the flow channel, each cavity being provided with a medicine inlet hole and a medicine outlet hole, a plurality of medicine inlet joints arranged in sequence at the first end and connected in one-to-one correspondence with the medicine inlet holes, and a sealing head detachably connected to the second end. The first end of the pipe body is closed, the second end is open, the interior of the pipe body is provided with a plurality of mutually isolated cavities, each cavity is provided with an independent medicine outlet hole, and anesthetic can be input into the interior of the pipe body through the medicine inlet hole connected with the medicine inlet joint. After the anesthetic flows out of the pipe outlet, the pipe outlet is blocked by the sealing head. At this time, when the anesthetic continues to be input into the medicine inlet hole, the anesthetic can only flow out of the medicine outlet hole. During the stripping operation, the anesthetic can perform multi-region anesthesia in the intravenous blood vessels, and the stripping and anesthesia can be performed simultaneously.

To provide an anesthetic composition for locally administering a local anesthetic agent to a subject in need thereof.SOLUTION: An anesthetic composition has a lipid-based complex prepared by hydrating a lipid cake containing a local anesthetic agent and a lipid mixture with an aqueous buffer solution at a pH higher than 5.5. Also provided is a method for preparing an anesthetic composition using what is a simpler and more robust for large-scale manufacture and for providing a high molar ratio of local anesthetic agent to phospholipid content as compared to the prior art. This anesthetic composition has a prolonged duration of efficacy adapted to drug delivery.SELECTED DRAWING: Figure 2B

The embodiment of the present application provides an interlocking module, an evaporator and an anesthesia machine. The interlocking module comprises a mounting seat, a knob, an ejection assembly, a connecting rod assembly and an ejection piece. The ejection piece is in sliding connection with the mounting seat. The connecting rod assembly is arranged between the knob and the ejection assembly. The connecting rod assembly comprises a follower and a linkage. The follower is connected with the knob. When the knob rotates, the follower can drive the linkage to move. The linkage further drives the ejection piece to move outwardly from the mounting seat, so that the ejection piece moves from an initial position to an interlocking position. The ejection pieces of two evaporators are arranged at intervals. When an operator rotates one of the evaporators, the corresponding ejection piece extends and abuts against the ejection piece of the other evaporator, thereby limiting the movement of the ejection piece. Thus, the rotation of the knob of the other evaporator is further limited, and the simultaneous use of two anesthetics is avoided.

The utility model belongs to the technical field of biological experiment equipment, and particularly relates to an anesthesia box with a detachable partition plate, which comprises a box body, an anesthesia tube is arranged on one side of the box body in a penetrating manner, an oxygen tube is arranged on the box body and positioned on one side of the anesthesia tube in a penetrating manner, and the partition plate is arranged in the box body. Two first sealing rings are arranged on the periphery of the outer side of the partition plate, a bottom foot plate is fixed to one side of the bottom of each first sealing ring and is perpendicular to the partition plate, a supporting assembly is arranged on one side of the partition plate, a cover plate is hinged to one side of the top of the box body, and a sealing plate matched with the box body in a sealing mode is arranged on one side of the cover plate. The sealing plate can be inserted into the box body; according to the experimental mouse box, the situation that an experimental mouse is too small and anesthetic is wasted can be effectively avoided, the experimental cost is reduced, the partition plates can be detached, and the using flexibility and practicability of the experimental mouse box are improved.

A disposable postoperative local infiltration anesthesia analgesia system comprises an anesthesia catheter, a guide wire, a lacerable trocar, an injector and an infusion pump, the anesthesia catheter can be sleeved with the lacerable trocar in a matched mode, the guide wire can be sleeved with the anesthesia catheter in a matched mode, a plurality of micropores are formed in the side wall of one end of the anesthesia catheter, and the infusion pump is connected with the guide wire. The micropores are evenly distributed in the circumferential direction of the anesthesia catheter, the other end of the anesthesia catheter is connected with a first connector tube and a second connector tube, a connector of an infusion pump can be in butt joint with the first branch connector tube or the second connector tube, and an injector can be in butt joint with the first branch connector tube or the second connector tube. The anesthesia catheter can be placed into a pain part of a patient through the guide wire and the tearable trocar, wound infiltration is continuously carried out through anesthetic, pain can be accurately, directly and intensively relieved, the using amount of the anesthetic is reduced, the anesthetic is small in side effect or free of side effect, and the anesthesia catheter is convenient to use. Various severe side effect risks caused by opioid abuse can be effectively avoided.

The application belongs to the field of medical treatment, and provides a shell for installing a breathing circuit module, a breathing circuit module assembly and a medical device, the shell comprising: an upper shell, a first clamping groove being arranged on one end side wall of the upper shell, a second clamping groove being arranged on a side wall adjacent to the first clamping groove of the upper shell; a lower shell, a sliding channel being arranged in the lower shell; and a dismounting mechanism, the dismounting mechanism comprising: a rotating piece, a sliding rod and a reset piece. The shell provided by the application realizes the mounting cooperation and dismounting between the upper shell and the lower shell through the dismounting mechanism, which facilitates the dismounting and separation of the upper shell and the lower shell after each use of a breathing anesthetic, so as to perform a disinfection operation on the breathing circuit module in the shell and the shell itself, which is simple, convenient and fast, and has a high reuse efficiency.

To provide a compound which is a local anesthetic and is useful for inducing selective sensory nerve block.SOLUTION: The compound is represented by formula (II).SELECTED DRAWING: None

The invention discloses an anesthesia monitoring equipment information fusion and aid decision making method based on machine vision in the technical field of machine vision. The method comprises the following steps: S1, building a machine vision device platform; s2, the industrial camera collects image information of the anesthesia monitoring equipment and corrects an inclined image to be horizontal; s3, positioning brain wave, heart rate, noninvasive blood pressure and pulse blood oxygen saturation areas to be recognized in the image; s4, segmenting characters in the positioning area by adopting a gray-scale vertical projection method, and carrying out data information identification by combining OCR (Optical Character Recognition); s5, fusing the identified information by adopting a weighted average method; the operating room anesthesia monitoring equipment data are monitored through the machine vision technology, a method for fusing important monitoring information and monitoring in real time is adopted, doctors are assisted in making decisions, the anesthetic agent putting time is effectively shortened, and the safety of the operation anesthesia operation process is improved.

The objective is to provide a method that suppresses the formation of pseudopods of platelets during the preparation of PRP, thereby preventing the formation of aggregates. [Solution] The method for producing platelet-rich plasma (PRP) according to the present invention is characterized by adding a local anesthetic to the blood when producing PRP.

The invention relates to the technical field of medical instruments, in particular to an anesthetic inhalation medicine volatilization device which comprises a hook mounting end, a voice broadcast device, a control display panel, a first electromagnetic valve, a connecting pipe, a volatilization tank, a supporting plate, a medicine adding volatilization device and a mistaken touch prevention adjusting device. The dosing volatilization device is fixedly installed on the supporting plate, the first electromagnetic valve is fixedly installed in the middle of the side end of the volatilization tank, the connecting pipe is fixedly installed on the first electromagnetic valve, the voice broadcaster and the control display panel are fixedly installed at the side end of the volatilization tank, and the hook installation end is fixedly connected to the side, away from the supporting plate, of the upper end of the volatilization tank. By means of the mistaken touch prevention double-lock mechanism, the double-sealing connector, closed-loop concentration control and modular redundancy design, potential safety hazards and performance defects of an existing device are overcome, reliability, accuracy and operation safety of anesthesia conveying are remarkably improved, and the device is suitable for clinical anesthesia scenes with high requirements.

The invention provides a personalized anesthesia control system, method and device and a medium, and the system comprises a collection monitoring module which is used for collecting occipital electroencephalogram signals of a user in a sober eye closing state and monitoring forehead electroencephalogram signals of the user in an anesthesia state; the control processing module is used for performing screening calculation according to the occipital electroencephalogram signals to obtain a reference Alpha peak frequency, performing calculation according to the forehead electroencephalogram signals to obtain a dynamic Alpha peak frequency, and performing analysis according to the reference Alpha peak frequency and the dynamic Alpha peak frequency to obtain the amount of anesthetic to be adjusted; the medicine infusion module is used for adjusting the anesthesia state of the user in real time according to the anesthetic dosage to be adjusted. According to the personalized anesthesia control system, the anesthesia depth can be monitored in real time by using the electroencephalogram signals of the user in the sober eye closing state, and personalized adjustment is automatically carried out.

The present invention is applicable to the field of medical devices and provides a blood collection device and its control equipment. The blood collection device includes: a microneedle assembly, which includes a first microfluidic channel for releasing anesthetic and a second microfluidic channel for collecting blood; a first motion assembly for driving the microneedle assembly to inject anesthetic into the epidermal layer through the first microfluidic channel; a second motion assembly for driving the microneedle assembly to collect blood from the skin through the second microfluidic channel; and a blood storage device communicating with the second microfluidic channel for storing the collected blood. The blood collection device provided by the present invention is formed by arranging a plurality of microneedles with a small diameter in an orderly manner to form a microneedle array, and the wounds formed by the needles piercing the skin are tiny; and during the blood collection process, the penetration depth of the microneedles can be precisely controlled. Anesthetic is released when the microneedles penetrate the epidermal layer of the skin, and after anesthesia is completed, the microneedles penetrate into the dermis layer for blood extraction. Throughout the process, the patient will not feel pain, thus achieving painless blood collection.

The invention discloses an animal experiment workbench which comprises a base, a supporting plate, an operation table, a fixing piece, an anesthesia cabin, a partition plate, a sliding plate, a gas sensor, a control unit, an alarm module, a display module, a liquid medicine supplementing mechanism and a spray head. The operation table is arranged above the base, and the two ends of the operation table are connected with the upper surface of the base through supporting plates. The fixing pieces are arranged on the surface of the operation table and used for fixing the limbs, the trunk and the head of an experimental animal; the anesthesia cabin is arranged at the front end of the operation table; the anesthesia cabin is of a hollow structure with one end opened and the other end sealed, and the partition plate is arranged in the anesthesia cabin and divides the anesthesia cabin into a head containing cabin and a medicament containing cabin. A plurality of air holes which are formed in rows and are used for communicating the head placing cabin with the medicament placing cabin are formed in the plate surface of the partition plate; the sliding plate is slidably arranged on the front plate face of the partition plate. The animal experiment workbench can overcome the defects that the concentration of anesthetic gas cannot be monitored in real time and anesthetic needs to be manually supplemented in the prior art.

Doxycycline injections improve the appearance of cosmetically significant lower eyelid festoons and malar edema, as well as of the jowls. The doxycycline is also useful for reducing edema of turbinates, the nasal concha or conchae shell-shaped networks of bones, vessels, and tissue within the nasal passageways that are responsible for warming, humidifying, and filtering the air as it is inhaled. The doxycline, in a concentration preferably of greater than 10 to 20 mg / ml, preferably in combination with a local anesthetic and optionally with a vasoconstrictor such as epinephrine and a pH buffering agent, is injected into the subcuticular space at the site of swelling. The high viscosity limits the spread of the doxycycline to the area to be treated. The resulting sclerosis prevents fluid accumulation. The doxycline also decreases swelling due to fat, by causing a decrease in lipomas.

The utility model discloses a kind of BNCT mouse irradiation devices without anesthesia, including disc body, sliding assembly is installed on disc body, detachably installed with mouse fixer on sliding assembly, mouse fixer includes head fixing assembly and tail fixing assembly for limiting mouse activity, fixed shaft is vertically arranged on disc body, bracket is installed on fixed shaft, the end portion of bracket is located above mouse fixer and is provided with reversible folding connecting plate. Mouse head and neck are fixed by the fastening screw of mouse fixer, mouse tail is fixed by clamping groove, mouse can be irradiated subsequently without anesthesia, avoid anesthetics to influence BNCT treatment effect;By round multi-arm sliding rail clamping disc, multiple mouse fixers can be assembled, one mouse is placed in each fixer, reasonably divide area, avoid multiple mice confusion;By adjusting the position of mouse fixer on sliding rail and turning L-shaped connecting plate, multiple mice can be irradiated at different parts simultaneously, convenient operation, save experimental time.

Provided herein are compounds that are local anesthetics and useful for inducing selective sensory nerve blockade. Also provided are pharmaceutical compositions and kits comprising the compounds, and methods of inducing selective sensory nerve blockade by administering the compounds and / or compositions to a subject.

This invention discloses an anesthesia injection device, its automatic control method, and a hair transplant robot, relating to the field of medical surgical equipment technology. The device includes: a fixing mechanism for mounting on a robotic arm and being driven by the robotic arm; a first feeding mechanism disposed on the fixing mechanism; an injection mechanism disposed on the first feeding mechanism, the first feeding mechanism driving the injection mechanism to move; and a vision control unit disposed on the fixing mechanism for acquiring images and controlling the movement of the first feeding mechanism and / or the robotic arm based on the acquired images, so that the injection mechanism reaches a target position. The anesthesia injection device, its automatic control method, and the hair transplant robot of this invention can automatically inject anesthetic into the scalp of a target person with low pain during injection, and the injection process is fast and efficient.

The special urethral catheter for the gynecology department comprises a catheter body, one end of the catheter body is sequentially provided with a catheter head, a urethral catheterization opening is formed in the position of the catheter head, a liquid outlet is formed in the other end of the catheter body, the catheter body comprises a liquid guide pipe and an outer-layer pipe, the liquid outlet and the urethral catheterization opening are communicated with the liquid guide pipe, a movable pipe is arranged between the liquid guide pipe and the outer-layer pipe, and the movable pipe is connected with the outer-layer pipe. One end of the movable tube is fixedly connected with a rotating ring, at least three medicine cavities are distributed in the movable tube in the axial direction of the movable tube, a plurality of inner openings are formed in the surface of the movable tube, the inner openings correspond to the medicine cavities in a one-to-one mode, the inner openings are communicated with the corresponding medicine cavities, the directions of the inner openings are different, and anesthetics are contained in the medicine cavities respectively. And a plurality of communicating ports are sequentially formed in one side of the outer-layer pipe and correspond to the inner openings one to one. The urethral catheter special for the gynecology department adapts to anatomical characteristics of female urethra, the medicine covering length of 4-5 cm accurately acts on urethral mucosa, and whole-course anesthesia is achieved through segmented medicine release of multiple medicine cavities.

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 relates to the technical field of anesthesiology department appliances, and discloses an anaesthetic mask which comprises a mask part, an intubation part and a hanging ring part, the intubation part used for being connected with a gas pipeline is movably inserted into an adjusting socket arranged at the upper end of a mask body, and when the anaesthetic mask is used, the mask body covers the face of a patient through pressing so as to cover the mouth and the nose of the patient; the sealing attaching ring at the lower end of the mask body can improve the sealing performance, when the mask covers the mouth and nose of a patient, the distance between the lower end of the intubation part and the mouth and nose of the patient is shortened by moving downwards to adjust the intubation part, and the patient can conveniently inhale anesthetic medicine in time.

The invention provides methods and compositions for treatment of pain, such as joint pain, using capsaicin in a procedure that attenuates transient burning sensation experienced by patients due to capsaicin administration. The methods desirably provide relief from joint pain, such as osteoarthritic knee joint pain, for an extended duration, such as at least about 3 months, 6 months, 9 months, or 1 year. To attenuate the adverse side effect of a transient burning sensation caused by capsaicin-induced neuronal excitation, the methods utilize a cooling article, such as a material wrap cooled via a circulating fluid, to reduce the temperature of tissue to be exposed to capsaicin to within a certain range for certain durations of time, optionally in combination with administering a local anesthetic agent, resulting in the substantial reduction or even elimination of transient burning sensation caused by capsaicin.

The invention relates to an adjustable spraying device for clinical anesthesia in the anesthesiology department, and belongs to the technical field of medical instruments. In order to enable anesthetics to accurately and efficiently reach a target anesthesia area, the adjustable and controllable spraying device for clinical anesthesia in the anesthesiology department comprises a spraying pipe and an air curtain assembly, the spraying pipe comprises an inner pipe and an outer pipe, a plurality of spraying holes are formed in the tail end of the inner pipe, the inner pipe is sleeved with the outer pipe, and an air conveying cavity communicated with an air pump is formed between the outer pipe and the inner pipe; the air curtain assembly comprises an elastic cylinder arranged in the air conveying cavity, one end of the elastic cylinder is configured to move in the direction close to or away from the inner pipe so as to change the flowing direction and the flowing range of airflow in the air conveying cavity, and the other end of the elastic cylinder is slidably connected with the inner pipe. The air curtain assembly can control the anesthetic spraying direction and spraying range, the anesthetic can accurately and efficiently reach the target anesthesia area, the spraying range is controlled within the target anesthesia area, anesthetic waste is reduced, and the anesthesia effect and anesthesia safety are improved.

The present invention discloses an intelligent adjustment method and system for the transportation environment for long-distance transportation of Japanese seabass, which relates to the technical field of safe long-distance transportation of Japanese seabass, and includes: constructing Japanese seabass transportation characteristics according to the estimated transportation duration, average size of Japanese seabass, quantity of Japanese seabass and water temperature; constructing a recommended dosage model of anesthetic, importing the Japanese seabass transportation characteristics into the trained recommended dosage model of anesthetic, obtaining the recommended dosage of anesthetic for Japanese seabass transportation, anesthetizing the Japanese seabass to be transported, collecting the temperature, water quality and oxygen concentration of the transportation water body during the transportation process, evaluating the activity of the Japanese seabass body, generating an adjustment gradient based on the activity for dynamic adjustment of the transportation water body environment, and additionally setting up emergencies and an emergency plan library to handle transportation emergencies. The present invention realizes dynamic adjustment and fine management during the whole transportation process by optimizing water quality management, improving the oxygen supply system, and introducing intelligent monitoring and control means, so as to ensure the health and survival of Japanese seabass during transportation.