118 results about "Drug injection" patented technology

The invention discloses a real-time processing method for a data missing value of a regional radiation monitor, and relates to the technical field of data processing, and the method comprises the steps: obtaining indoor radiation sequence data and outdoor radiation sequence data generated in the operation process of the regional radiation monitor in a historical time period; determining a medicine injection moment based on fluctuation characteristics of the intragate radiation sequence data; based on the time corresponding relation among the medicine injection time, the indoor radiation sequence data and the outdoor radiation sequence data, the outdoor performance time is determined, multiple suspected outdoor performance time before the current time are compared with the outdoor performance time in the historical time period, and the true probability of the suspected outdoor performance time is obtained; based on the true probability, the radiation fluctuation integrity degree of the in-gate radiation sequence data processed through a linear interpolation method is judged; and generating a required data compensation measure based on the radiation fluctuation integrity degree. The technical effect of improving the judgment accuracy of the abnormal radiation event is achieved.

Disclosed are a method for controlling an electrical treatment device with injection function and an electrical treatment device. The method includes: driving ends of a plurality of needle bodies to penetrate at least one target depths of a skin tissue by a actuator, and controlling the plurality of the needle bodies to electrically connect to an electric energy output assembly to release an electric energy at least one target depths of the skin tissue, and / or controlling the plurality of the needle bodies to connect to a liquid storage unit to perform drug injection based on at least one target depths of the skin tissue.

The present invention relates to a drug injection multi-needle of which the surface to come into contact with the skin provides either a cooling or warming sensation so that pain can be reduced and, simultaneously, a hemostatic effect can be increased and, specifically, comprises: an injection part to which a drug syringe for storing a drug is coupled and into which the drug is injected by means of pressure; a needle coupling part which is coupled to the front surface of the injection part and to which a plurality of needles to penetrate the skin are coupled; a suction part into which the needle coupling part is inserted and which suctions air at a position coming into contact with the skin; and a temperature-regulating part which is formed on the front surface of the suction part and which regulates the temperature.

This invention relates to the field of infusion rate control technology, specifically to an adaptive adjustment method for intraoperative anesthetic drug infusion rate based on reinforcement learning. The method includes the following steps: monitoring tubing pressure waveforms to extract hysteresis response features; constructing a multidimensional fluid environment state vector by splicing anesthesia depth errors; inputting the vector into a neural network to map and output a composite command containing a base flow rate and resistance torque; establishing a corrected drive signal by superimposing acceleration pulses based on tubing stiffness and compensating for flow leakage; and completing closed-loop verification based on pressure change rate deviation. In this invention, by analyzing the establishment and attenuation features of the pressure waveform to reconstruct the hysteresis response state of the physical environment, tubing compliance is incorporated into the network input space and mapped to generate a composite command containing a base flow rate and resistance torque. This eliminates drug delivery delays caused by tubing expansion and energy absorption, ensuring that motor actions are instantly converted into effective drug injection, thereby improving the real-time response speed and drug delivery control accuracy of anesthesia depth regulation.

The application discloses a real-time processing method for missing data of a regional radiation monitor, and relates to the technical field of data processing. The method comprises the following steps: acquiring in-door radiation sequence data and out-door radiation sequence data generated in the operation process of the regional radiation monitor in a historical time period; determining a drug injection time based on fluctuation characteristics of the in-door radiation sequence data; determining an out-door performance time based on a time correspondence relationship between the drug injection time, the in-door radiation sequence data and the out-door radiation sequence data; comparing a plurality of suspected out-door performance times before a current time with the out-door performance time in the historical time period to obtain a real probability of the suspected out-door performance time; judging a radiation fluctuation completeness degree of the in-door radiation sequence data processed by a linear interpolation method based on the real probability; and generating a required data compensation measure based on the radiation fluctuation completeness degree. The application achieves the technical effect of improving the judgment accuracy of abnormal radiation events.

The utility model discloses a single medicine injection liquid's paper support device, both sides of the support mechanism all are provided with first folding section, and the first folding section is 90 degrees bending to the inside of support mechanism, the below of first folding section is provided with second folding section, the second folding section is 90 degrees bending to the inside of support mechanism, the second folding section is located the side away from first folding section and is provided with third folding section, the third folding section is 120 degrees bending to the outside of support mechanism, the top of third folding section is provided with bonding section, the outer surface of bonding section and first folding section are fixed with glue bonding, first folding section, second folding section, third folding section and bonding section are all integrated, and the support mechanism for placing medicine injection liquid bottle takes three layers of corrugated paper as raw material, compared with the traditional material such as plastic bracket, foam, the packaging material cost is reduced greatly, and the corrugated paper is easy to obtain, and the price is low, is favorable to large -scale popularization and application.

The present invention relates to a fluid backflow prevention valve having a fluid channel inside a three-dimensional shape. The fluid backflow prevention valve comprises: a main fluid channel (130) in which an inlet (110) and an outlet (120) communicate with each other; a bypass island (140) formed to be spaced apart from the main fluid channel (130); and a branch fluid channel (150) branched from a start point (151) provided on one side of the rear side of a route of the main fluid channel (130), bypassing the bypass island (140), and then connected to an end point (152) provided on the other side of the front side of the route of the main fluid channel (130) in a direction opposite to the fluid movement direction of the main fluid channel (130), wherein a fluid channel round extension part (160) provided to extend roundly to have a preconfigured radius (R) toward the outside of the fluid channel from the start point (151) is further provided.

This invention provides a chemotherapy catheter for spinal tuberculosis, comprising a catheter with a drug channel, a flexible tube at the front end of the catheter with multiple through holes communicating with the drug channel, and a built-in one-way structure. The one-way structure includes an elastic rubber sheet at one end fixed to the inner wall of the drug channel; multiple elastic rubber sheets are stacked together in a conical shape; and a connector is connected to the rear end of the catheter, with a drug injection end for injecting medication. This invention, by inserting the catheter into the patient's body, injects medication through the drug injection end, which then passes through the drug channel and the one-way structure to prevent backflow, and finally flows out through the multiple through holes, thereby widely dispersing the medication and improving drug utilization.

The invention relates to an injector adapter, an injection assembly and a using method. The injector adapter comprises a connecting piece, and a cavity is formed in the connecting piece; the guide pipe penetrates through the connecting piece and penetrates through the cavity, and the pipe wall, located in the cavity, of the guide pipe is provided with a penetrating channel; the elastic sheath is located in the cavity, the elastic sheath is arranged outside the catheter in a sleeving mode, a potential gap cavity is formed between the elastic sheath and the catheter, and the potential gap cavity is in fluid communication with the catheter through the penetrating channel. The injector adapter can be used in cooperation with an existing injector, so that an operator can more visually judge whether a needle head penetrates through the sclera to reach the suprachoroidal space or not so as to guide the operator to conduct medicine injection, and the injection convenience of the operator is remarkably improved.

The present invention relates to a handpiece for injecting a drug, which can reduce pain and improve hemostatic effect while cooling or heating the surface of the skin by passing cold air and hot air through the inside of a compound needle that is in contact with the skin, and specifically, comprises: a compound needle that is coupled to a drug syringe that stores a drug and that is inserted into the skin, medicine is permeated for operation; the body is used for fixing the compound needle and the medicine injector and adjusting the injection amount of the medicine and the temperature of the compound needle; the medicine injection device is formed in the body, and the injection amount of medicine is adjusted by adjusting the pressure of a medicine injector; and the temperature adjusting device is formed at the lower part of the medicine injection device, is connected with the compound needle and is used for adjusting the temperature.

This invention provides a thrombolytic catheter system for cerebral venous sinus, relating to the field of medical device technology. It includes a microcatheter and a blocking guidewire. The microcatheter has a drug injection structure and side holes. The side holes have several through-holes distributed circumferentially and axially. The blocking guidewire includes a guidewire body and a blocking portion connected to the guidewire body. By using the microcatheter and blocking guidewire, during use, the blocking guidewire is inserted into the microcatheter, and the blocking portion at the end of the guidewire seals the end of the catheter. Thus, during thrombolytic drug injection, the drug only flows out from the through-holes of the catheter. Multiple through-holes are provided circumferentially and axially. This closed design, where thrombolytic drug flows only from the side holes, increases the contact area between the thrombolytic drug and the thrombus, thereby increasing the probability of vascular patency and reducing catheterization time. This solves problems related to the difficulty of removing cerebral venous sinus thrombi, venous reflux during catheter-based thrombolysis, and intracranial infection.

The embodiment of the present application relates to a reciprocating cycle driven medicine injection device, which mainly comprises the following structure: a swing module comprising two first guide rails, two swing arms, a connecting arm and a base; two push modules respectively sleeved on the two first guide rails and capable of moving along the axial direction of the first guide rails; the push module comprises a first push piece and a second push piece; a rotating module comprising a group wheel and an outer screw; a one-way stop module connected with the group wheel and used for controlling the one-way rotation of the group wheel; a limiting module used for limiting the swing arm; an inner screw arranged in the outer screw; a piston fixedly connected with the top end of the inner screw; and a medicine tank used for loading medicine liquid.The present application adopts a double-swing-arm and double-screw structure, has high stability, compact structure and small volume, and is convenient to carry; through the double-ratchet-wheel arrangement, the precise injection of the medicine dose can be realized, and the user can inject different doses of medicine liquid according to the requirement, so as to meet the requirement of users with different doses.

This invention relates to the field of auto-injector technology and discloses a fully automatic intelligent high-pressure needleless injector, comprising a main body, a needleless injection head detachably mounted on the injection end of the main body, a gripping drive assembly disposed in the middle of the inner cavity of the main body, and an impact assembly connected to the gripping drive assembly disposed in the inner cavity of the main body at the end away from the needleless injection head, and a charging assembly disposed on the inner cavity and outer end of the main body on the same side as the impact assembly; the invention, by providing a gripping drive assembly and an impact assembly, facilitates users to set the required drug injection volume and injection pressure parameters via a mobile APP, and transmits the information to the injector's control module via Bluetooth communication. The control module analyzes the received injection volume and injection pressure parameters and realizes an intelligent integrated control process for automatic drug replenishment and automatic injection of the needleless injector, improving the control capability of drug injection dosage and force.

To provide a cassette that allows for proper management of drugs and injections.SOLUTION: A cassette 100 includes: a cassette body which includes a cassette columnar space that can store at least a portion of a drug cartridge, an injection needle attachment part that is located at a tip of the cassette columnar space and to / from which an injection needle can be attached / detached and a body opening that is located at a rear end of the cassette columnar space and can access the cassette columnar space; a cassette cap which is supported near the rear end of the cassette body to allow opening and closing of the body opening; and a hood 140 which includes a hood body 141 that is supported by the cassette body so as to be rotatable between a first position covering the injection needle attachment part of the cassette body and a second position exposing the injection needle attachment part, a needle concealer which is supported in a movable manner by the hood body between the protrusion position protruding with respect to the hood body and the storage position storing at least a portion in the hood body, and a biasing member 143 which biases the needle concealer in a direction of the protrusion position.SELECTED DRAWING: Figure 11

The utility model relates to the technical field of medical instruments, and discloses an arm supporting device which comprises an upper clamping plate, a first threaded rod and an adjusting mechanism, and the upper clamping plate is connected with a clamping mechanism capable of clamping and installing a support through the first threaded rod; a supporting mechanism capable of supporting an arm is arranged at the upper end of the adjusting mechanism, the height of the supporting mechanism can be adjusted through the adjusting mechanism, and the lower end of the adjusting mechanism is connected with the upper clamping plate; the device effectively solves the problems that when muscle-bone ultrasonic medicine injection interventional therapy is carried out, the hands of a sonographer are in a suspended state, the shoulders of the sonographer are prone to ache due to overlong suspension time, a probe is unstable, and the operation difficulty degree in the treatment process is increased.

A novel and useful respiratory monitoring system and related methods that can interact with an opioid user and initiate a lifesaving drug injection process to mitigate opioid induced respiratory depression in an opioid user when opioid induced respiratory depression is detected. The system and methods include a wearable device that acquires physiological and other information from an opioid user during an opioid use session, analyzes the information to detect the presence of opioid induced respiratory depression in the opioid user, and initiates a lifesaving drug injection process when the presence of opioid induced respiratory depression is detected. Several methods are disclosed including self-monitoring and remote monitoring schemes that present a challenge to the opioid user with post injection stimulation of the opioid user and notification of caregivers and medical personnel.

The utility model discloses a kind of radiofrequency ablation needle assemblies and ablation systems containing multifunctional divining rod type coaxial sheath, which ablation assembly includes multipurpose double-channel divining rod type insulating coaxial sheath and ablation needle, divining rod type insulating coaxial sheath is detachably connected with handle, and position adjusting member on handle realizes self-adaptive adjustment of ablation needle working end length, divining rod type insulating coaxial sheath synchronously realizes ablation, biopsy, pericardial effusion drainage, cardiac conduction bundle position marking, myocardial drug injection, ICD implantation and cardiac ECG monitoring and other surgical auxiliary diagnosis and treatment, to ensure that integrated intramyocardial intervention diagnosis and treatment are safely and effectively completed, the ablation needle assembly containing multipurpose divining rod type sheath in the utility model breaks through the bottleneck of low efficiency, complicated operation and many complications of existing radiofrequency ablation technology, and provides an innovative solution for comprehensive interventional treatment of heart disease and various tumor diseases.

One example of the present disclosure describes a balloon catheter comprising a catheter shaft, a first ballon and a second ballon. The catheter shaft extends from a proximal end to a distal end and has an inflation port and a drug injection port. The first balloon is mounted to the catheter shaft and coupled to the inflation port. The second balloon is mounted to the catheter shaft and surrounds the first balloon. The second balloon is coupled to the drug injection port. A space between the second balloon and the first balloon defines an annular lumen for receiving a drug injected through the drug injection port. The second balloon has a plurality of apertures for allowing the drug to flow out of the second balloon to a treatment site on a patient. The plurality of apertures have a non-uniform arrangement.

The invention discloses a rotary irrigation type magnetic drive brain pressure monitoring drug delivery and liquid storage bag for intracranial infection. The rotary irrigation type magnetic drive brain pressure monitoring drug delivery and liquid storage bag comprises an Oma bag, a drug storage bag, a drainage tube, an intracranial pressure probe, a magnetic sensitive ball, a one-way tube and the like. According to the device, three independent one-way circulation channels of medicine injection, pressure measurement and drainage are constructed, an in-vitro magnetic field is utilized to drive a magnetic sensitive ball to stir to form eddy current, ventricular purulent moss is scoured in a targeted manner, and medicine is uniformly dosed; the memory metal baffle is automatically opened and closed under negative pressure, and dead space pollution is reduced; and the probe wirelessly monitors the ICP in real time and gives out an over-limit alarm. Compared with a traditional Ommaya capsule, the infection and blockage rate is remarkably reduced, the replacement period is prolonged to 3-6 months from 1 month, and long-term, safe and accurate intracranial pressure management and drug delivery are achieved.

The invention relates to the technical field of water quality chemical dosing monitoring equipment, and discloses a crucian culture water quality chemical dosing monitoring device which comprises a chemical dosing device, a chemical dosing opening is fixedly connected to the top of the chemical dosing device, a supporting plate is fixedly connected to the bottom of the chemical dosing device, an electric push rod is fixedly connected to the bottom of the chemical dosing device, and a detection mechanism is arranged at the bottom of the chemical dosing device. The detection mechanism comprises a shell, the outer wall of the shell is fixedly connected with the output end of the electric push rod, a flow guide pipe is fixedly connected to the outer wall of the shell, a first flow guide block is fixedly connected to the inner wall of the shell, a first connecting pipe is fixedly connected to the outer wall of the first flow guide block, and a detection block is fixedly connected to the inner wall of the first connecting pipe. Water quality detection is carried out on different water depths through the detection mechanism, the situation that layered flowing of water in the culture pond causes large detection error of water at a single depth and influences the detection result and the dosage of the culture pond is prevented, and the accuracy of detection and dosage metering of the dosage monitoring device is improved.

The invention relates to the technical field of ore pulp treatment, and provides an ore pulp flocculating settling device and a working method thereof.The ore pulp flocculating settling device comprises a pretreatment barrel and a reaction barrel, a feeding port is formed in the top of the pretreatment barrel, the bottom of the pretreatment barrel is communicated with the reaction barrel, an ultrasonic vibration plate is arranged in the pretreatment barrel, and the ultrasonic vibration plate is arranged in the reaction barrel; a chemical feeding mechanism is arranged on the side wall of the pretreatment barrel, the chemical feeding mechanism is provided with a gradually-shrinking inlet, an oscillation cavity and a gradually-expanding nozzle, a water pumping opening is formed in the top of the reaction barrel, a plurality of discharging openings are formed in the bottom of the reaction barrel, and a stirring mechanism, a grating screen mechanism and a vibrating screen mechanism are sequentially arranged in the reaction barrel from top to bottom; a first density sensor, a second density sensor and a third density sensor are sequentially arranged on the barrel wall of the reaction barrel from top to bottom, and the first density sensor, the second density sensor and the third density sensor are connected with the stirring mechanism through a controller.

A neutron capture therapy apparatus includes a neutron ray irradiation unit that irradiates an irradiation target with a neutron ray, a drug injection unit that injects a drug to the irradiation target, and a posture change unit that changes a posture of the irradiation target. The neutron ray irradiation unit performs first irradiation for irradiating the irradiation target with the neutron ray in a first incident direction, and performs second irradiation for irradiating the irradiation target with the neutron ray in a second incident direction different from the first incident direction, and the posture change unit is capable of changing the posture of the irradiation target between a time of the first irradiation and a time of the second irradiation.

The present application relates to a syringe adapter, an injection assembly, and a use method. The syringe adapter comprises: a connecting member provided with a chamber; a catheter penetrating through the connecting member and passing through the chamber, a through channel being formed in a tube wall of the catheter located in the chamber; and an elastic protective sheath located in the chamber, sleeved outside the catheter, and forming a potential gap chamber with the catheter, the potential gap chamber being in fluid communication with the catheter by means of the through channel. The syringe adapter can be used in cooperation with existing syringes, such that an operator can more intuitively determine whether a needle penetrates the sclera to reach the suprachoroidal space, thereby guiding the operator to perform drug injection, which significantly improves the convenience of injection by the operator.

The present invention discloses a drug injection device for heart failure, and key technical solutions thereof are as follows: The device includes a delivery catheter and an abutting component disposed at one end of the delivery catheter. Multiple guide holes are formed in the abutting component. A reservoir tube is slidably connected in the delivery catheter. Multiple injection needles in communication with the reservoir tube are disposed at one end of the reservoir tube close to the abutting component. The multiple injection needles are slidably inserted in the multiple guide holes respectively in one-to-one correspondence. A sealing plate is rotatably connected in an inner wall of one end of the reservoir tube close to the injection needle. The present invention has the following technical effects: By providing the reservoir tube, the present invention enables adjustment of the movable tube's extension length from the injection tube during operation. This controls the distance between the injection piston and the sealing plate, where a space volume between the injection piston and the sealing plate is a total dosage of the single-dose medication. In this way, accurate dose control is achieved for each injection.

The utility model relates to the technical field of medical instruments, and particularly discloses a medicine injection device which comprises a scale drum, a knob and an end cover. At least one clamping hole and at least one limiting groove extending from the first end to the second end are formed in the peripheral wall of the first end of the scale drum; the inner circumferential wall of the rotary knob is provided with at least one convex block and at least one limiting insertion strip, the convex block is matched with the clamping hole, the limiting insertion strip is matched with the limiting groove, so that the rotary knob is clamped to the first end of the scale rotary drum, the inner circumferential wall of the rotary knob is further provided with a spacer, and an insertion hole is formed in the spacer; the end cover is provided with a clamping pin extending from the first end to the second end, and the clamping pin is matched with the insertion hole so that the end cover can be connected with the rotary knob in a clamping mode. According to the utility model, the scale drum, the knob and the end cover are designed into a split structure, so that the design precision of the die can be improved, the assembly process is simplified, and meanwhile, the structural stability after assembly is ensured.

A drug delivery system for injecting a medicament, comprising: a container configured to receive a medicament; a drive assembly configured to expel the medicament from the container upon actuation; a needle for injecting the medicament into a patient; a needle actuator assembly comprising a movable portion biased by a biasing member and configured to move the needle between a pre-use position, a use position for delivering the medicament to the patient, and a post-use position after completion of delivery of the medicament; and a tube in fluid communication with the container and the needle, the tube comprising an expandable portion having an expanded state and a non-expanded state, wherein the expandable portion is configured to be in the expanded state upon actuation of the drive assembly and in the non-expanded state when the needle is in the post-use position.

The utility model discloses a novel wet and dry soft tissue releasing needle which comprises a plastic handle, an L-shaped installation cavity is formed in the plastic handle, an L-shaped steel needle is arranged in the L-shaped installation cavity, a needle head is arranged at the left end of the L-shaped steel needle and is in a flat shuttle shape, the L-shaped steel needle is of a hollow structure, a liquid inlet hole is formed in the middle of the needle head, and an auxiliary cylinder is arranged at the upper end of the plastic handle. A rubber soft plug mounting groove is formed in the top of the middle of the auxiliary cylinder, a rubber soft plug is arranged on the rubber soft plug mounting groove, a first finger placing groove is formed in the lower end of the plastic handle on the left side of the auxiliary cylinder, a second finger placing groove is formed in the right end of the auxiliary cylinder, and a steel needle protective sleeve is arranged on the left side of the plastic handle. The needle combining dry needle therapy and wet needle therapy is adopted, soft tissue can be pried and released, the medicine injection function can be achieved, the pried and released effect and the medicine injection effect are better, the treatment frequency is low, meanwhile, the cost can be reduced, and the use performance of the needle is improved.

The invention discloses a wearable battlefield first-aid multi-medicament automatic pop-up injection device, which relates to the field of battlefield first-aid medical instruments and comprises a wearable carrier module, a multi-medicament storage module, an automatic injection execution module, a mistaken touch prevention and pollution prevention module and a battlefield adaptation module. The wearable carrier is fixed to a human body / tactical equipment through a shoulder strap and a tactical buckle, the multi-medicament storage module is embedded into an anti-impact cartridge case, the automatic injection module adopts spring driving and double-layer triggering to achieve quick ejection of a needle head (less than or equal to 0.1 second) and automatic medicament injection, and the mistaken touch and pollution prevention module guarantees safety through linkage triggering and a sealing structure. The battlefield adaptation module meets the waterproof and anti-bumping requirements. According to the device, integration of wearing, storage and injection is achieved, injection is completed by one hand within 3 seconds, risks of existing patents are avoided, and the device meets the requirements for rapidness and safety of battlefield first aid.

The utility model discloses a mouse airway administration device, and relates to the technical field of mouse airway administration devices. The lower portion of the main pipe body is sleeved with a conical sealing body, an air guide pipe is fixed to the side face of the main pipe body, the top of the air guide pipe is fixedly connected with an air inlet, the top of the main pipe body is fixedly connected with a medicine inlet, the medicine inlet is communicated with a top quantitative pipe, direct medicine injection is facilitated, and the air inlet can be connected with an animal breathing machine to continuously provide oxygen for a mouse. The conical sealing body can be embedded in the airway through forward pressure to block and seal the trachea of the mouse, medicine backflow is prevented, medicine loss caused by bucking reaction after airway administration of the mouse and respiratory suffocation caused by airway administration are prevented, the death rate of the mouse is reduced, and the success rate of airway administration of the mouse is increased.

The invention discloses an intelligent ring PPG signal-based myocardial infarction and cerebral infarction individualized trend dynamic early warning method, and particularly relates to the technical field of wearable medical equipment, and the intelligent ring PPG signal-based myocardial infarction and cerebral infarction individualized trend dynamic early warning method comprises a main ring module, a hand clamping ring main body, a reinforced monitoring ring main body and a medicine injection ring main body; the main ring module comprises a first ring main body, one end of the first ring main body is provided with an adjustable contact assembly, the other end of the first ring main body is provided with a butt joint inner ring, and a ring inner ring is reserved in the center of the butt joint inner ring; and the main ring module is connected with the hand clamping ring main body through the butt joint inner ring. Real-time detection and closed-loop adjustment of the wearing fitting degree are achieved through the adjustable contact assembly, a fitting degree coefficient calculation model is constructed through a piecewise function, the contact fitting state is quantified, the finger circumference difference and wearing state change of different wearers are dynamically adapted, the problems that the adaptability of fixed contacts is poor, and the fluctuation of the signal-to-noise ratio is large are solved, and the wearing comfort of the wearers is improved. And the quality of PPG signals continuously monitored for a long time is ensured.