203 results about "Anesthetic Agent" patented technology

The invention discloses an intelligent anesthesia depth monitoring system and method, and relates to the technical field of medical anesthesia, and the method is characterized in that through real-time data acquisition of an ultrasonic system and an electromyography instrument, nerve surrounding tissue data of shoulder and arm parts are accurately acquired. And inputting data of tissues around nerves into a real-time anesthesia depth calculation formula to calculate a real-time anesthesia depth Dreal, carrying out preliminary comparison on the real-time anesthesia depth Dreal and a target anesthesia depth Dtarget to obtain an anesthesia depth difference degree D, and evaluating a current anesthesia injection effect in real time. And based on the preliminary evaluation result, executing an anesthetic injection rate adjustment mechanism, and dynamically adjusting the anesthetic injection rate Radj (t) at the current time t to ensure that the anesthetic amount is accurately adjusted along with the change of the physiological state of the patient. Through the real-time dynamic adjustment mechanism, the anesthetic dosage control flexibility is improved, and continuous and stable anesthesia depth of a patient is ensured.

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 belongs to the technical field of medical care instruments, and discloses an anesthetic atomizing device for anesthesia in an operating room, which is characterized by comprising an atomizing shell with a grip, a filtering mechanism arranged on the atomizing shell and a storage groove formed in the atomizing shell, and a transparent liquid medicine tank is fixedly installed in the storage groove, the upper surface of the transparent liquid medicine tank fixedly communicates with an exhaust pipe, and an adjusting mechanism is arranged on the outer surface of the lower end of the exhaust pipe. According to the anesthetic atomizing device for anesthesia in the operating room, in the using process, by arranging the adjusting mechanism, rotation of an output shaft of a servo motor drives a rotating shaft to rotate, rotation of the rotating shaft drives a gear to rotate, the gear and a gear ring are meshed to drive the gear ring to rotate, and a special-shaped block moves between a track groove and a sliding groove; and the special-shaped blocks are gathered or dispersed, so that the flow speed of the atomized gas entering the exhaust pipe is adjusted.

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 present invention provides an intelligent method and system for target control of adult anesthesia based on EEG signal monitoring, and the method includes: determining the anesthesia scheme for the target adult based on the type of surgery of the target adult, and determining the target anesthetic agent required for the anesthesia of the target adult based on the anesthesia scheme; injecting the target anesthetic agent into the target adult based on a preset injection pump, and collecting the EEG signal of the target adult in real time; determining the sedation depth and analgesia depth of the target adult based on the EEG signal, and controlling the injection speed of the preset injection pump and the injection amount of the target anesthetic agent based on the sedation depth and analgesia depth, so as to complete the intelligent target control of adult anesthesia. By collecting the EEG signal of the target adult in real time, it is convenient to understand the current sedation depth and analgesia depth of the target adult according to the EEG in real time, thereby improving the accuracy of adjusting the injection pump and the anesthetic agent, improving the anesthesia effect, and reducing the damage caused by anesthesia.

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 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 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 relates to the technical field of medical instruments, in particular to a concentration-adjustable anesthesia device for the anesthesiology department, the concentration-adjustable anesthesia device comprises a fixed seat, a material mixing barrel, a diluting tank and an anesthesia tank, the bottom ends of the diluting tank and the anesthesia tank are fixedly communicated with connecting pipes, and a material guide pipe is arranged on one side of each connecting pipe; the inner wall of the connecting pipe is provided with a communicating mechanism which communicates with the tank body and the material guide pipe in an up-down sliding manner; a toothed plate is rotationally arranged above the fixed seat, and the bottom end of the conduction mechanism abuts against the top surface of the toothed plate in a rolling manner; the top face and the bottom face of the toothed plate are sleeved with an adjusting chain belt in a penetrating mode, and the adjusting chain belt above the toothed plate is of a splayed structure and is supported at the bottom end of the conduction mechanism. The adjusting chain belt is arranged in a splayed structure above the toothed plate, the height of the top end of the adjusting chain belt can be changed, and the upward moving displacement amount of the conduction mechanism can be changed, so that the amount of anesthetic and diluent discharged into the mixing barrel is controlled, the anesthetic is diluted to the required concentration, and the use efficiency is 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 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 utility model discloses an anesthetic quantitative preparation device which comprises a bearing table used for placing a mixed anesthetic receiving container, a plurality of quantitative preparation units are arranged above the bearing table through a supporting structure, and each quantitative preparation unit comprises a drug temporary storage cylinder and a piston type preparation cylinder which are arranged in parallel. The two are communicated through a medicine pumping pipeline with a first one-way valve, and the medicine pumping pipeline is further communicated with a medicine feeding pipeline with a second one-way valve; wherein a lifting structure is arranged relative to the piston of the piston type preparation cylinder, and the lifting structure is used for adjusting the stroke of the piston, so that the anesthetic can be quantitatively sucked in from the medicine pumping pipeline or quantitatively sent out from the medicine feeding pipeline. The utility model aims to provide the quantitative anesthetic preparation device which can assist an anesthetist in mixing and preparing anesthetic, realizes quantitative suction and delivery of the anesthetic by accurately controlling the stroke of the piston through the lifting structure, is low in labor intensity, and is beneficial to ensuring that the content of each component in the mixed anesthetic is accurate.

The invention provides a nasal indwelling tube assembly with lubrication and anesthesia functions, which comprises a nasal indwelling tube with an insertion end and a connecting end; the lubricating anesthetic piece is used for arranging lubricating anesthetic on the outer wall of the insertion end, and the lubricating anesthetic comprises anesthetic and a lubricating agent; the cotton swab bag comprises a cotton swab packaging bag and cotton swabs sealed in the cotton swab packaging bag, and cotton swab heads of the cotton swabs are infiltrated with anesthesia lubricant; the spiral loose tower type outer joint is made of an elastic material, is fixed at the end part of the connecting end and is of a circular truncated cone cylindrical structure, the inner diameter of the spiral loose tower type outer joint is sequentially increased in the direction from the inserting end to the connecting end, and an internal thread is arranged on the inner wall of the spiral loose tower type outer joint; the rubber plug is of a circular truncated cone structure, the outer size of the rubber plug is matched with the inner size of the spiral loose tower type outer connector, and a first outer thread matched with the inner thread is arranged on the outer wall of the rubber plug. The indwelling tube assembly through the nasal cavity has lubrication and anesthesia functions, and discomfort of a patient can be relieved.

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

The present invention provides an anesthesia mask, belonging to the technical field of medical devices; comprising a mask body, a first airbag fixedly mounted on the top of the mask body, the first airbag being filled with air, a first ventilation tube that penetrates and extends into the mask body being fixedly sleeved on the top of the first airbag, and a detection component, a blocking component, a first limiting component and a second limiting component connected to each other are mounted on the mask body. The present invention can determine whether the anesthesia mask will leak during use by setting a slide, so that the anesthetic dose entering the patient's body is the same as the expected value, avoiding the patient from being awake during the operation, ensuring the anesthesia and analgesia effect on the patient, reducing the patient's psychological pressure, and avoiding the patient from having a stress response, thereby improving the safety of the operation, and making full use of the anesthetic, saving medical costs, and further ensuring the effective anesthesia of the patient, improving the safety of the operation.

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.