626 results about "Drug Storage" patented technology

The invention provides an intelligent medicine storage management method and system based on digital twinning. The method comprises the following steps: firstly, generating a virtual storage space, embedding a binding relationship between a medicine batch number and a space coordinate, and then collecting temperature gradient distribution data, humidity fluctuation data and illumination intensity time sequence data of each medicine storage unit in a physical medicine warehouse; the method comprises the following steps: acquiring three kinds of data, mapping the three kinds of data to corresponding coordinate positions in a virtual storage space, generating a three-dimensional thermodynamic map based on temperature gradient distribution data and storage environment standard parameters associated with drug batch numbers, identifying an abnormal area, and reversely positioning a corresponding drug storage unit in a physical medicine warehouse according to the coordinate position of the abnormal area. The directional ventilation device is controlled to adjust the airflow circulation path of the medicine storage unit, a batch medicine migration path planning scheme is generated, the technical scheme provided by the invention realizes fine management and real-time monitoring of the medicine storage environment, and the safety and efficiency of medicine storage are significantly improved.

The invention discloses an efficient medicine logistics order scheduling and distribution method and system, and relates to the technical field of medicine logistics, and the method comprises the steps: constructing a multi-modal medicine feature extraction module, and outputting an order constraint matrix; establishing an adaptive space-time distribution network according to the order constraint matrix, and performing dynamic grid division on a distribution area to generate a multi-level distribution area model; constructing a double-layer heterogeneous graph neural network, and generating a distribution path planning candidate scheme set considering drug characteristics; defining a state space and an action space, constructing a dual-target reward function, and carrying out iterative training to obtain a distribution scheduling strategy model; and aggregating multi-region distribution empirical data by adopting a federated learning framework, and periodically updating the scheduling strategy model based on a differential privacy mechanism. According to the method, the multi-modal drug feature extraction module is constructed, and the image, text and storage condition information of the drug are fused, so that the drug storage requirement and the distribution limitation condition can be identified more accurately, and the identification accuracy of the distribution constraint is improved.

A drug delivery device may include a housing having an opening and a drug storage container including a delivery member having an insertion end configured to extend at least partially through the opening during a delivery state. The device may also include a guard moveably positioned adjacent to the opening and a plunger having a generally cylindrical body portion extending along a longitudinal axis of the container and at least one flange extending radially outwardly from the body portion, wherein the plunger is moveable toward the distal end of the container to expel a drug through the delivery member. The device may further include a plunger biasing member configured to urge the plunger toward the distal end of the container and a releaser member defining a guide configured to receive the at least one flange and an indicator configured to generate an audible signal indicating an end of drug delivery.

The invention relates to the technical field of drug analysis, and discloses an intelligent drug stability analysis and monitoring system, which comprises a drug information acquisition module, a drug stability analysis module, a drug prediction module, a dynamic regulation and control module and an early warning display module, through the arrangement of the drug stability analysis module and the drug prediction module, the drug storage environment is analyzed to obtain the stability condition of the drug, then the remaining validity period of the drug is obtained, and the stability change of the drug is monitored in real time to prolong the remaining validity period of the drug; meanwhile, liquid medicine and solid medicine are subjected to special analysis, the degradation rate constant of the medicine is obtained on the basis of a second improved Arrhenius formula for the solid medicine, and a physical property cross-border line is set, so that the stability of the medicine is improved by analyzing the stability of the medicine and regulating and controlling environmental parameters, and the stability of the medicine is improved. The medicine validity period and storage time are prolonged, and the storage strategy is dynamically adjusted in combination with medicine chemical characteristics.

The invention relates to the technical field of medical instruments, in particular to an intelligent wound nursing system which comprises a dressing body, and the dressing body comprises a skin-friendly layer, a functional layer and a protective layer. A monitoring module, a control module, a medicine leading-in module, a flexible circuit layer and an alarm module are integrated in the functional layer. According to the method, the infection misdiagnosis rate is reduced through multi-sensor fusion monitoring and a preset infection risk threshold algorithm; according to the design, the micro-fluidic chip and the biological probe are integrated in the percolate component sensor, so that the infection detection rate is increased; a temperature-sensitive hydrogel micro-valve array and nanofiber membrane slow release technology is adopted, so that medicine waste or poor treatment effect is reduced; through a multi-sensor data fusion algorithm, the detection accuracy is improved; the layout of the micro-valve array and the annularly distributed independent medicine storage cavities is adopted, so that the release error is reduced; through the ultrathin flexible framework, the snakelike wiring circuit and flip chip packaging, circuit breakage is avoided, and the clinical failure rate is reduced.

The invention discloses a method and device for taking medicine from a medicine storage box, electronic equipment and a storage medium, and the method comprises the steps that medicine taking information is received, and the medicine taking information comprises a plurality of pre-taken medicine types and the pre-taken number corresponding to each pre-taken medicine type; and in each grabbing process, some medicines are grabbed as much as possible. According to the method, the medicine grabbing efficiency can be greatly improved.

A drug injection device includes a drug injector configured to suck a drug from a drug storage by electrochemically operating an electroosmotic pump and discharge an sucked drug to an injection target; and a controller configured to output, to the drug injector, a control signal corresponding to an amount-based injection sequence for causing the electroosmotic pump to operate in an immediate bolus injection mode, wherein the amount-based injection sequence includes at least one pulse block defining a voltage pulse or a current pulse to be applied to the electroosmotic pump, the at least one pulse block defines a pair of pulse signals including a forward pulse and a reverse pulse that are applied to the electroosmotic pump to alternately generate negative pressure and positive pressure, and the electroosmotic pump alternately generates negative pressure and positive pressure for each pulse block to suck and discharge the drug.

The invention discloses a targeted drug delivery capsule robot based on a soluble film. The targeted drug delivery capsule robot comprises a soft capsule shell, a magnetic control module, a camera module, a drug storage cavity, a release channel and the soluble film covering an outlet of the release channel. The capsule robot has the advantages that by means of the transparent design of the soft capsule shell, the intuition and safety of the drug delivery process are guaranteed, the targeted drug delivery mechanism is located at one end of the capsule robot, drug release is controlled by a soluble film, accurate response can be conducted according to the environmental conditions (such as pH value, temperature or enzyme concentration) of different parts of the digestive tract, and the targeted drug delivery mechanism is suitable for being applied to the digestive tract. Therefore, targeted release of the drug is realized. Due to the linkage design of the magnetic control system and the oscillation module, the capsule robot can be rapidly positioned to a target area in a complex alimentary canal environment, and the accuracy and reliability of targeted drug delivery are improved. Compared with a traditional medicine release mode, the structure remarkably reduces medicine waste and systemic side effects, and meanwhile the efficient treatment requirement of minimally invasive medical treatment is met.

A pen-type full-automatic precision injection system, comprising: a support table (1), an injection assembly (2), a connecting device (3), a control console (4), and a control switch (5). The control console (4) is arranged on the support table (1), the injection assembly (2) is connected to the control console (4) by means of the connecting device (3), and the control switch (5) can control the injection assembly (2) by means of the control console (4). The injection assembly (2) comprises an auxiliary positioning device (21), a housing (22), a drug storage device (23), a first movement assembly (24), and a second movement assembly (25). The auxiliary positioning device (21) is connected to a left wall of the housing (22). The first movement assembly (24) can drive an outer barrel (231) of the drug storage device (23) to move left and right, an injection needle (232) of the drug storage device (23) can penetrate through the housing (22) and the auxiliary positioning device (21) to pierce the skin of a human body, and the second movement assembly (25) can push a pushing rod (233) of the drug storage device (23) to move to push an injection liquid into the human body. The pen-type full-automatic precision injection system can achieve functions such as automatic injection, adjustment of the injection depth, precise control over the needle piercing depth, precise control over the injection dose, precise control over the injection rate, bubble detection, and pressure detection during injection.

The invention discloses a medical drug intelligent monitoring and management method based on an HIS system, and relates to the technical field of drug management, and the method comprises the steps: carrying out the fluctuation analysis of a storage environment of drugs, marking all drugs with the storage time exceeding a time threshold value in K sub-generation sets as affected drugs, outputting management emergency indexes for all affected drugs, and carrying out the management of the affected drugs. And after the emergency threshold value influencing the medicine is adjusted in combination with the position information, the medicine is distributed to the K sub-generation sets again based on the comparison result of the management emergency index and the emergency threshold value and the position information influencing the medicine, and the management priority of the K sub-generation sets is generated. According to the method, after the drug storage environment is subjected to volatility analysis, the drugs are clustered for multiple times, the drugs are divided into a plurality of sets according to the clustering result, and the supervision strength of the drugs in each set is dynamically adjusted, so that the effectiveness of the drugs is guaranteed, and drug resource waste is avoided.

A continuous micro-dose administration apparatus, comprising a needle apparatus (5), a drug storage apparatus (4), a piston push rod apparatus (3), a force accumulating apparatus (2), an accumulated force release apparatus (1), and a control apparatus (6). Under the action of the control apparatus (6), the accumulated force release apparatus (1) releases a specified piston stroke, the force accumulating apparatus (2) pushes the piston push rod apparatus (3) to move towards the drug storage apparatus (4) by the specified piston stroke, and a drug liquid in the drug storage apparatus (4) is discharged through the needle apparatus (5). The force accumulating apparatus (2) serves as a power source, a piston body (31) is pushed in a rotating or direct pushing mode, the required number of pulses is calculated according to the required dose of infusion or the piston movement distance, and the control apparatus (6) accurately controls the accumulated force release apparatus (1) to release the specified piston stroke, thereby helping to improve the accuracy of the dose of administration. A rotary magnetic brake assembly (11) is connected to the piston push rod apparatus (3) by means of a coupling assembly (12) formed by a gear set (121) consisting of a plurality of gears, so that a smaller force of the rotary magnetic brake assembly (11) is used to control a larger force of the force accumulating apparatus (2).

The utility model discloses circulating water treatment automatic dosing equipment which comprises a circulating water pipeline, the top end of the circulating water pipeline is fixedly connected with a feeding pipe, the top end of the feeding pipe is fixedly connected with a medicine box, and the upper portion of the interior of the medicine box is rotationally connected with a first stirring rod; a first stirring rod is rotatably connected to the lower portion of the interior of the pesticide box, a second stirring rod is rotatably connected to the lower portion of the interior of the pesticide box, the first stirring rod and the second stirring rod are arranged in a staggered mode, the ends of the first stirring rod and the second stirring rod extend out of the pesticide box, and one end of the first stirring rod and one end of the second stirring rod are fixedly connected with a first gear and a second gear correspondingly; and the first gear is meshed with the second gear. Through the first motor, the medicine adding roller and the feeding pipe, the medicine is stored in the storage tank through driving of the first motor, and through rotation of the medicine adding roller, the medicine can be discharged downwards to fall into the feeding pipe after rotation, and automatic medicine adding work is achieved through the structure.

The invention relates to the technical field of medicine smearing, and discloses a medicine uniform smearing device for the traditional Chinese medicine dermatology department, the medicine uniform smearing device comprises a butt joint adjusting mechanism, the bottom of the butt joint adjusting mechanism is provided with an adjusting type medicine smearing mechanism, the top of the butt joint adjusting mechanism is provided with a medicine storage mechanism, and the medicine storage mechanism is internally provided with a pushing, injecting and air drying mechanism; and a detachable smearing mechanism is arranged on the surface of the medicine storage mechanism. According to the medicine uniform smearing device for the traditional Chinese medicine dermatology department, through the arrangement of a butt joint adjusting mechanism, an adjusting type medicine smearing mechanism, a medicine storage mechanism, a pushing injection air drying mechanism and a detachable smearing mechanism, the adjusting type medicine smearing mechanism can be converted through the butt joint adjusting mechanism in the using process, and the smearing mode can be conveniently converted according to whether hair exists on the affected part of a patient or not; and isolation can be added according to whether cross infection needs to be avoided or not, so that the pertinence during smearing is improved.

An atomizer includes an atomization assembly and a medicine storage assembly idetachably coupled to the atomization assembly, wherein the medicine storage assembly includes a storage housing, and a medicine liquid transporting cotton disposed in the storage housing, wherein the atomization assembly includes a fixing housing and an atomizing element disposed in the fixing housing to align with the medicine liquid transporting cotton in a manner that the medicine liquid transporting element is arranged to deliver medicine liquid to the atomizing element.

The invention discloses a cognitive state monitoring and intervention device and method. The cognitive state monitoring and intervention device comprises a microelectrode drug delivery array module, a wireless transceiving and control circuit module and a power supply module, a microcontroller is embedded in the wireless transceiving and control circuit module; the microelectrode drug delivery array module comprises a hollow drug delivery microneedle, a sensing electrode and a controlled drug delivery electrode; the hollow drug delivery microneedle comprises a hollow microneedle array and a drug storage chamber; the sensing electrode is coupled and fixed on a substrate of the hollow microneedle array, and is attached to the body surface to monitor skin impedance signals when in use, liquid medicine is stored in the medicine storage chamber, and a controlled administration electrode is mounted in the medicine storage chamber; when the wireless transceiving and control circuit module applies current to the controlled dosing electrode, the controlled dosing electrode and the liquid medicine generate electrochemical reaction, and the liquid medicine is pumped into the body surface through the microneedle. According to the invention, the cognitive function state of the body can be continuously monitored, and accurate administration can be automatically realized.

The invention discloses an automatic medicine dispensing method, an automatic medicine dispensing device and an automatic medicine dispensing system. The method comprises the following steps: determining a medicine stock in a medicine storage cabinet according to the content of an electronic prescription; when it is determined that the medicine stock meets the dispensing requirement of the electronic prescription, the electronic prescription is sent to a first robot, and the first robot is used for executing dispensing operation according to the electronic prescription; after a medicine dispensing completion signal is received, a medicine delivery instruction is sent to the first robot or the second robot according to the medicine type of the electronic medicine sheet, so that the first robot or the second robot is utilized to transfer medicine configured by the first robot to a medicine taking cabinet according to the medicine delivery instruction; after it is determined that the medicine is transferred to the medicine taking cabinet, monitoring equipment at the medicine taking cabinet is controlled to conduct medicine storage monitoring, and the medicine storage state is obtained; and sending a medicine taking prompt message according to the medicine storage state. According to the invention, the technical problems of errors and potential safety hazards caused by manual medicine dispensing in the prior art are solved.

Disclosed are an ibuprofen pharmaceutical composition, and a preparation method therefor and the use thereof. The ibuprofen pharmaceutical composition comprises the following components: sustained-release pellets and immediate-release pellets, wherein the sustained-release pellets comprise ibuprofen, a filler and an adhesive; and the immediate-release pellets comprise ibuprofen, a filler, a suspending agent, a disintegrant, a flavoring agent and a pH regulator. The ibuprofen pharmaceutical composition takes effect quickly and can maintain a therapeutic effect for a long time. The administration compliance of children, elderly people and people with dysphagia can be effectively improved, and the administration frequency is reduced. A dry deposition particle has a wide loading range, and the presence of the dry deposition particle during drug storage and transportation is beneficial for maintaining the stability during drug storage and transportation. In addition, the ibuprofen pharmaceutical composition has the advantages of a simple preparation process, stable properties and convenient administration, and is suitable for industrial production.

The invention discloses a chemical adding device and a chemical adding method, the chemical adding device comprises a chemical storage device, the chemical storage device is connected with a chemical outlet pipe, and the chemical outlet pipe is sequentially connected with a chemical pumping device, a first pressure detection device, a flow detection device and a tail end chemical adding system; the tail end dosing system comprises a branch pipe connected with the medicine outlet pipe, the branch pipe is sequentially connected with second pressure detection equipment, a manual ball valve, a first back pressure valve, a dosing mechanism and a second back pressure valve, and the end of the branch pipe is connected with a tail end dosing port. The medicine adding mechanism comprises a piston fixing shell, and a piston is slidably connected into the piston fixing shell. By controlling the pressure of the medicine outlet pipe, it is ensured that the whole medicine outlet pipe is filled with medicine, the rotating speed of the driving device can be controlled according to the requirements for different medicine adding flows of all medicine adding points, and the accuracy and stability of the medicine adding amount of all the medicine adding points are achieved; and the control difficulty of accurately adjusting the dosage of different medicaments among a plurality of dosing points is effectively reduced.

The invention belongs to the technical field of medical equipment, and particularly relates to a portable tuberculosis drug aerosol inhalation device. The device comprises a medicine storage chamber, an outflow channel and a controller, the top of the medicine storage chamber is provided with a medicine tank groove with a conical pricking pipe, and one-step medicine filling through placing and pressing can be achieved; the respiratory rhythm of a user is identified through lip contact and a respiratory airflow sensor, and the atomizer is synchronously controlled to start and stop; the system has the functions of liquid medicine identity recognition, heating temperature control and self-adaptive power adjustment based on liquid medicine storage, efficient, safe and comfortable tuberculosis medicine inhalation treatment is achieved, and the medication compliance and the treatment effect are remarkably improved.

The utility model provides medicine dispensing equipment with a packaging function, which comprises a frame component, a medicine storing and taking manipulator device, a packaging device, a control unit and a plurality of medicine storage bins are arranged on the frame component, and the medicine storage bins are used for loading plate medicines. The medicine storing and taking mechanical arm device is used for storing the medicine storage bin on the frame assembly or taking out and transferring the plate medicine in the medicine storage bin to the packaging device, the packaging device is used for packaging and sending out the plate medicine taken out by the medicine storing and taking mechanical arm device, and the control unit is used for controlling the medicine storing and taking mechanical arm device and the packaging device to operate; based on the control unit, the medicine storing and taking mechanical arm device integrates medicine storing bin storing and taking and plate medicine taking, plate medicine transferring is achieved, the packaging device is arranged, medicine bagging, sealing and transferring are achieved, and the automation degree is high.

The invention relates to the technical field of pesticide spraying unmanned aerial vehicles, and discloses unmanned aerial vehicle pesticide spraying equipment with high operation efficiency, and the equipment comprises a control structure which comprises a control housing, a driving motor and a control module, the driving motor and the control module are located in the control housing, and the control structure is used for driving and controlling an unmanned aerial vehicle; the medicine storage structure is located below the control structure and fixedly connected with the control structure; the flying structure is fixedly connected with the medicine storage structure; the spraying structure comprises a central pesticide spraying part and two auxiliary pesticide spraying parts, the central pesticide spraying part is located under the pesticide storage structure, the central pesticide spraying part corresponds to the axis of the pesticide storage structure, the central pesticide spraying part is fixedly connected with the output end of the driving motor, and the central pesticide spraying part rotates while rotating along with revolution of the driving motor; the two auxiliary pesticide spraying parts are located on the two sides of the central pesticide spraying part. According to the invention, the operation efficiency is improved, and the phenomenon of missed spraying of a shadow area formed by shielding of branches and leaves is reduced.

A cylindrical storage-organizer-dispenser device for solid dose medications, arranged in a 7-day by time-interval-dose matrix, specifically invented to offer a simple, user-friendly, and secure way for people who need to take multiple daily medications on a weekly basis. The device permits to visually see what medications have been already taken and implicitly indexes to the next upcoming dose; this helps to avoid missing a dose or taking dangerous double doses. Additionally the device provides secure storage for emergency medication, specific patient information and / or medication instructions, and includes a feature to securely carry it around.

The invention relates to the technical field of medicine management, and particularly discloses a medical medicine management system and method, and the method comprises the steps: processing the production time of a medicine and the current time, and obtaining a medicine storage time ratio; the medicine storage time ratio and the limit value of the medicine storage time ratio threshold value are processed, and medicine region division is completed; based on region division of the medicines, integrating the medicines in different regions to obtain a storage time behavior value of the same medicine; based on the storage time behavior values of the medicines, processing the medicines with the same and similar purposes to obtain use risk values of the medicines, and completing management of time and quantity of the medicines according to the use risk values of the medicines; according to the method, the storage time behavior value and the proportion of the medicine in the medicine management first-level area are processed to obtain the management risk value of the medicine in time and quantity, namely, through a multi-level management system, a worker is effectively reminded to dynamically recognize the use quantity and the storage state of the medicine.

The invention provides a medicine information management method and system based on an intelligent medicine cabinet, and belongs to the technical field of information management, and the method comprises the steps: carrying out the fusion processing of multi-modal data collected by a multi-modal sensor group in the intelligent medicine cabinet, and obtaining a medicine recognition result; based on the matching degree of the medicine identification result and a preset medicine storage rule in the medicine cabinet, the storage positions of all medicines in the intelligent medicine cabinet are adjusted to obtain a first adjustment result, and the first adjustment result is stored; and managing the storage information of the medicine based on the first adjustment result and the historical adjustment result. According to the medicine information management method and system based on the intelligent medicine cabinet, the storage position of the medicine can be adjusted, redundant space is released, and energy is saved.

The invention discloses a balloon catheter pressure applying device for thrombus treatment and vascular embolism, and relates to the technical field of medical instruments, the balloon catheter pressure applying device comprises a first catheter, the first catheter is sleeved with a second catheter, the front end of the second catheter is fixedly connected with a memory metal net bag, the second catheter is sleeved with a third catheter, and the third catheter is fixedly connected with a memory metal net bag. A fourth catheter is fixedly connected to the outer side of the third catheter, a rear balloon is fixedly connected to the outer side of the front end of the air delivery pipe, an exhaust head is fixedly connected to the front end of the first catheter, a front balloon is fixedly connected to the outer side of the exhaust head, and a thrombus removing assembly used for assisting in removing thrombus is arranged on the outer side of the front end of the first catheter. According to the thrombus treatment vascular embolism balloon catheter, the thrombus dissolving medicine in the medicine storage balloon membrane is squeezed out through the pressure applying device, the thrombus dissolving medicine can penetrate through the memory metal net bag to move to the embolism position, thrombus is dissolved, and the thrombus can be better removed through cooperation with the thrombus removing assembly.

The utility model provides a self-expanding medicine thread and a dressing system thereof, which are used to solve the problem that the medicine thread cannot be well fixed in the sinus tract and the dressing is easy to remain in the sinus tract when used with a dressing; a self-expanding medicine thread and a dressing system thereof, wherein the medicine thread body is a solid or hollow cylindrical structure, the surface of the medicine thread has a medicine storage component formed by an inward depression, the medicine thread has a drainage channel, the medicine thread is placed in the sinus tract, the medicine thread is connected to the inside of the dressing, the dressing is placed on the skin around the sinus tract for use, and the surface of the dressing is covered with a biofilm.

The invention relates to the technical field of medical equipment, and discloses a visual intestinal obstruction catheter suite which comprises an outer catheter and a catheter head end, a drainage tube is fixedly installed in the outer catheter, a balloon used for fixing the outer catheter is fixedly installed on the outer wall of the outer catheter, an air baffle is fixedly installed on the outer wall of the drainage tube, and an air outlet is formed in the outer wall of the air baffle. And a variable connection unit is mounted on one side of the gas baffle. By arranging the variable connection unit, the water filling connector can control expansion of the balloon and release of medicine at the same time, after a medical worker conducts drainage and dredging on intestinal obstruction of a patient through the intestinal obstruction catheter kit, normal saline can be further injected, the normal saline drives the extrusion air bag to expand, and when the extrusion air bag expands, the medicine is released. When the extrusion air bag is extruded to drive the medicine storage rubber to properly expand, the medicine outlet hole formed in the medicine storage rubber is in an open state, and when the extrusion air bag is further expanded, liquid medicine in the medicine storage rubber can be extruded to an intestinal obstruction area through the medicine outlet hole to treat the intestinal obstruction area.

The utility model discloses a medicine balloon catheter which comprises an inner layer balloon which is sleeved and fixed outside a guide wire, and an outer layer balloon which is sleeved and fixed outside the guide wire. The outer-layer balloon is fixedly arranged outside the inner-layer balloon in a sleeving manner, a plurality of release holes are formed in the outer part of the outer-layer balloon, and the release holes are used for releasing medicines; the filling channel is communicated with the inner-layer balloon and is used for introducing a filling medium into the inner-layer balloon, so that the inner-layer balloon is expanded; the medicine delivery channel is communicated with a gap between the inner-layer balloon and the outer-layer balloon, and the medicine delivery channel is used for delivering medicine into the gap. Through the design of the double-layer sacculus, the medicine is arranged in the medicine storage space between the double-layer sacculus, after the sacculus is conveyed to a target position, the medicine is released through the release hole, the problem that the medicine is lost in the sacculus conveying process can be reduced, and the treatment effect can be improved.

The invention relates to the technical field of medical catheters, in particular to a balloon dilatation catheter convenient to dilate and support, which comprises a supporting mechanism and an adjusting mechanism, the supporting mechanism comprises a medium injection pipe, two wrapping pipes are fixed outside the medium injection pipe, the medium injection pipe is sleeved with an external expansion bag, the two ends of the external expansion bag and the two wrapping pipes are installed respectively, a plurality of auxiliary supporting pieces are installed outside the medium injection pipe, a guide wire is fixed at one end of the medium injection pipe and fixedly penetrates through the wrapping pipes, and the guide wire is connected with the external expansion bag. A main medium hole and a plurality of auxiliary medium holes are formed in the medium injection pipe, the main medium hole is communicated with the interior of the external expansion bag, the auxiliary medium holes are communicated with the interiors of the auxiliary supporting pieces respectively, and a medicine storage piece is installed outside the external expansion bag. Compared with the prior art, the thrombus position can be directionally supported, meanwhile, medicine can be smoothly applied to the thrombus, and the treatment effect on the thrombus is improved.

The utility model discloses an electrode assembly. The electrode assembly comprises: an electrode wire, wherein the electrode wire comprises a guide wire and a stimulation end; the stimulation end is at least partially implanted into a target area, the stimulation end is provided with a plurality of stimulation contacts, and the stimulation contacts are electrically connected with the guide wire; the adjacent stimulation contacts are insulated and separated through an isolation structure, and the stimulation end is provided with at least one drug release channel; the medicine supply assembly comprises a medicine storage cavity and at least one medicine conveying channel, the medicine conveying channel is arranged in the electrode wire, one end of the medicine conveying channel is communicated with the medicine storage cavity, the medicine conveying channel is provided with at least one outer conveying channel, and the outer conveying channel is connected with the medicine release channel. According to the utility model, electric signal stimulation and drug release can be realized synchronously.