156 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 a transportation environment intelligent adjusting method and system for long-distance lateolabrax japonicus transportation, and relates to the technical field of long-distance lateolabrax japonicus safe transportation. The method comprises the steps that lateolabrax japonicus transportation characteristics are constructed according to the estimated transportation duration, the average size of lateolabrax japonicus, the number of lateolabrax japonicus and the water temperature; constructing an anesthetic dosage recommendation model, importing the transport characteristics of lateolabrax japonicus into the trained anesthetic dosage recommendation model, obtaining the recommended anesthetic dosage for lateolabrax japonicus transport, anesthetizing to-be-transported lateolabrax japonicus, collecting the temperature, water quality and oxygen concentration of a transport water body in the transport process, and evaluating the activeness of lateolabrax japonicus bodies. And generating an adjustment gradient based on the activeness to dynamically adjust the transportation water body environment, and additionally setting an emergency and an emergency plan library to process the transportation emergency. By optimizing water quality management, improving an oxygen supply system and introducing an intelligent monitoring and regulating means, dynamic regulation and fine management in the whole transportation process are achieved, and health and survival of lateolabrax japonicus in the transportation process are ensured.

The invention relates to the field of anesthesia, in particular to an anesthesia device used based on a laryngoscope, which comprises a display screen, a handle assembly is arranged on the display screen, a supporting assembly is used for opening an oral cavity, a limiting assembly is arranged on the supporting assembly, a peeping assembly is mounted on the supporting assembly, and the limiting assembly is used for limiting the peeping assembly. The limiting assembly is used for limiting the peeping assembly; a conveying assembly is arranged on the supporting assembly. The supporting assembly can be detached from the handle assembly, the conveying assembly is arranged on the supporting assembly, the sputum can be sucked out from the inside of the throat of a patient conveniently through the conveying assembly, anesthetic can be conveyed to the inside of the throat conveniently through the conveying assembly, and the anesthetic can be accurately sprayed to the wall of the throat where the sputum is discharged; the situation in the throat can be observed through the arranged peeping assembly, and the conveying assembly can be conveyed to the throat wall where anesthetic needs to be sprayed; and accurate positioning can be conveniently achieved when a doctor sprays anesthetic.

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 present invention provides an anesthesia machine and a ventilation control method, wherein a breathing circuit delivers a second gas with an anesthetic to a patient so as to provide anesthesia breathing support for the patient. A ventilation module receives a first gas so as to provide breathing support for the patient at a first ventilation frequency by using the first gas. The anesthesia machine provides, according to a breathing support mode received by a human-computer interaction device, anesthesia breathing support for the patient and / or provides breathing support for the patient. Therefore, the anesthesia machine can be used to provide corresponding ventilation support for a patient as needed in a clinical scenario. The anesthesia machine has a widened range of applications and needs no additional apparatus.

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.

Compositions, systems, and methods for reducing electrical induction and / or skin irritation caused by application of an alternating electric field to the skin of a subject are disclosed. The compositions, systems, and methods involve administering to a subject at least one composition comprising at least one local anesthetic, and then applying an alternating electric field to the subject.

An anesthetic gas sensor including: a measurement cell; an inlet for receiving a sample to be tested; an outlet for releasing the sample; an infrared (IR) emitter; an IR detector to receive IR light from the IR emitter and determine an amount of IR light received through the measurement cell; and a processor to determine a concentration of anesthetic gas in the sample based on the amount of infrared light received versus the amount of infrared light received in a control sample. A method of sensing scavenged anesthetic gas in a scavenged gas flow, the method including: collecting a sample of the gas flow; passing infrared (IR) light through the sample; determining an amount of infrared light received through the sample; and determining a concentration of anesthetic in the sample. The gas sensor and method are intended to detect concentrations of 50 ppm of anesthetic gas or less.

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

Described herein are peptides that can be used to treat pain or increase pain sensitivity in subject in need of treatment. Additionally, peptides of the present disclosure can be administered with an analgesic agent and / or anesthetic agent. Peptides of the present disclosure are suitable for use when a subject in need of treatment has an injury, a chronic disease, a chronic inflammation, Morton's neuroma, operative / post-operative pain, or a combination thereof.

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.

A chemical compound that binds to nerves and provides for visualization of the nerves using computed tomography or x-ray may include at least two iodo groups bonded to a local anesthetic with an aromatic functional group / benzene ring, wherein the local anesthetic is capable of binding to a nerve. The chemical compound may have the chemical structure C6H2IxR, wherein x is 2 or 3; R is an amino group or NHR1; and R1 is an amide group, such as —CON(CH2CH3)2.

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.

The invention relates to the field of anesthesia, in particular to an intelligent anesthesia depth regulation and control system based on electroencephalogram signal closed-loop feedback, which comprises a data acquisition module, a BIS monitoring module, a video acquisition module, a motion state recognition module, a comparison processing module, a control module and a driving module, when the anesthesia depth value is higher than the preset anesthesia depth value, the control module controls the driving module to increase the anesthetic dosage, and when the anesthesia depth value is lower than the preset anesthesia depth value or the descending speed of the anesthesia depth value exceeds the preset anesthesia depth threshold value, the control module controls the driving module to reduce the anesthetic dosage, so that regulation and control are implemented; when the interval signal falls into the interval threshold value, the control module controls the driving module to adjust the anesthesia depth value to the anesthesia depth value corresponding to the special time point, and the patient can enter the appropriate anesthesia depth in advance when the operation at the special time point is carried out.