112 results about "Indwelling catheter" patented technology

A system for detecting whether a vascular access has been interrupted in an arrangement in which two catheters or needles are present in a blood vessel, fistula or graft. A fluid line leading to a pump is connected via a first connector to a first indwelling catheter, and a fluid line leading from a pump is connected via a second connector to a second indwelling catheter. Each connector is equipped with an electrode in contact with the lumen of the connector, the electrodes electrically connected to an electronic circuit that measures the impedance or conductivity of fluid between the first connector and second connectors via a fluid path through the blood vessel, fistula or graft. An electronic controller receives the impedance or conductivity data and processes the data to determine whether a vascular access disconnection has occurred. The processing may involve filtering the signal received by the controller, and / or setting provisional flags for a disconnection event that may be cleared if the signal changes before the expiration of a counter.

The arterial indwelling catheter pulling-out device comprises an operation table, a baffle, a mechanical arm, a mounting base, an electric clamping jaw, a first vision module, a first distance measuring sensor and a controller. The two ends of the baffle are connected with the operation table, and a channel for limbs to stretch into is arranged between the baffle and the operation table. One end of the mechanical arm is fixedly connected with the baffle plate; the mounting seat is fixedly connected with the other end of the mechanical arm; a first clamping finger and a second clamping finger are arranged on the electric clamping jaw, and the electric clamping jaw can drive the first clamping finger and the second clamping finger to get close to each other or get away from each other; the first visual module and the electric clamping jaw have the same orientation; the first distance measuring sensor and the electric clamping jaw have the same orientation; the electric clamping jaw, the first visual module and the first distance measuring sensor are all electrically connected with the controller and fixedly connected with the mounting base. The arterial indwelling catheter is beneficial to saving time of medical staff, meanwhile, after the arterial indwelling catheter is pulled out, a puncture point is not prone to bleeding, and the risk of cross infection is reduced.

This disclosure generally relates to catheters, methods of enhancing the patency of an intravascular catheter and compositions, methods, devices and kits relating to the infusion of a catheter lock solution into an indwelling catheter. Disclosed compositions, methods, devices and kits aid in diminishing the effects of microbial infection in catheters and occlusion of the catheters. A representative lock solution includes about 10% sodium citrate and about 1.5% benzyl alcohol. The solution has a density approximating the density of blood for retention of the solution in a catheter during the lock period.

The utility model relates to a laser guide puncture indwelling catheter frame device for an ultrasonic probe, which comprises a main body, the main body comprises a non-adjustable frame, an adjusting frame and a rotating shaft, the non-adjustable frame and the adjusting frame are connected through the rotating shaft, the rotating shaft is arranged at the joint of the non-adjustable frame and the adjusting frame, and the non-adjustable frame and the adjusting frame are oppositely arranged. The non-adjustable frame and the adjustable frame are arranged at one end of the short edge of the rectangle to form a rectangle, the non-adjustable frame and the adjustable frame are respectively provided with a small extension section, the device further comprises fixing screws, the fixing screws are installed on the small extension sections, and one end of the non-adjustable frame is provided with a fixing groove. By adopting the laser-guided puncture indwelling catheter frame device for the ultrasonic probe, an ultrasonic machine and a probe of a specific brand are not used, so that a common superficial probe can also be used for puncture operation, and ultrasonic resources of a hospital are perfectly integrated. The device has complete functions and can be perfectly matched with a guide pin frame to easily complete CVC and PICC.

The utility model relates to a urethra traction device, and belongs to the technical field of medical instrument structures. The device comprises a traction frame and a fixer, and is characterized in that the traction frame is formed by sequentially and vertically connecting a first telescopic rod, a second telescopic rod and a third telescopic rod, a first pulley is mounted at one end of the first telescopic rod, the other end of the first telescopic rod is vertically connected with one end of the second telescopic rod, and the other end of the second telescopic rod is vertically connected with the third telescopic rod; the top end of the third telescopic rod is provided with a second pulley, the third telescopic rod is fixedly connected with a fixator through a bridge plate, and the side face of the fixator is provided with a third pulley. The postoperative traction device is scientific and reasonable in structure and easy to operate, can provide continuous and stable traction force for the indwelling catheter needing to be pulled after the surgery, achieves the effects of compression hemostasis and infection prevention, can adjust the length of the telescopic rod, is suitable for patients of various body types, can keep warm for the patients and protect privacy, and solves the problems that no available equipment is available for traction after the urinary surgery, and the traction cost is low. And the discomfort of the patient is increased by using gauze.

The utility model discloses a urine collecting device used for reducing urine stagnation, which comprises a measuring bottle, a urine collecting bag and a connector used for being connected with an indwelling catheter, one end of the measuring bottle is communicated with a double-cavity drainage tube, and the other end of the measuring bottle is connected with a connecting section capable of being communicated with the measuring bottle. The end, away from the measuring bottle, of the connecting section is detachably connected with the urine collecting bag in a communicated mode, a check valve is arranged at the end, away from the measuring bottle, of the double-cavity drainage tube, and the double-cavity drainage tube is connected with the connector through the check valve. The utility model has the advantages that the infection risk is reduced, the measurement accuracy is improved, and the nursing cost is reduced.

A dialysis system having motor driven pressure estimation of fluid within a patient line is disclosed. A peritoneal dialysis (“PD”) system includes a fluid pump and a patient line that fluidly couples the fluid pump to an indwelling catheter leading into a patient's peritoneal cavity. The PD system also includes a motor driver that controls a motor of the fluid pump and transmits an output signal that is indicative of a load on the motor. The PD system further includes a machine learning algorithm that associates data related to output signals from motor drivers with known fluid pressures within patient lines. A processor of the PD system transmits an input signal to activate the motor driver, receives the output signal from the motor driver, and estimates a fluid pressure within the patient line by applying the data from the received output signal to the machine learning algorithm.

The utility model discloses an enteral nutrition delivery and automatic pressure regulator, which relates to the technical field of medical instruments and comprises an infusion pump, an infusion mechanism is arranged outside the infusion pump and comprises a first infusion tube and two accommodating bags, and a pressure sensor is mounted on the outer surface of the first infusion tube. The outer surface of the pressure sensor is communicated with a three-way connecting pipe, and the inner wall of the three-way connecting pipe is communicated with two second infusion pipes. The infusion pump and the infusion mechanism are arranged in a matched mode, the pressure sensor can be installed on the intestinal tract indwelling catheter to monitor the intestinal tract pressure of a patient in real time, the nutrient solution input amount in unit time is adjusted according to the intestinal tract pressure, and therefore the internal intestinal pressure of the patient is controlled; subsequent pipe washing can be carried out without inserting and pulling out a nutrition conveying pipeline, enteral nutrition conveying and pipe washing are matched for use, the switching process is simple and convenient, and the convenience and practicability during use are improved.

The utility model relates to an indwelling catheter fixing device which comprises a buckle assembly and two sets of fixing adhesive tape, the buckle assembly is used for clamping an indwelling catheter, and a first connecting piece and a second connecting piece are arranged on the two sides of the buckle assembly respectively. The first connecting piece is arranged on one set of fixing adhesive tape, the second connecting piece is arranged on the other set of fixing adhesive tape, in the using process, an indwelling catheter is fixedly clamped to the buckle assembly, then the two sets of fixing adhesive tape are arranged on the two sides of the buckle assembly respectively, and the two sets of fixing adhesive tape are detachably connected with the buckle assembly through the first connecting piece and the second connecting piece. The indwelling catheter is fixed at the correct position firmly through the fixing adhesive tape, it is ensured that the indwelling catheter does not slip or move, secondly, in the implementation, the fixing adhesive tape is detachably arranged on the two sides of the buckle assembly through the first connecting piece and the second connecting piece, in the use process, the buckle assembly can be repeatedly used by replacing the fixing adhesive tape, and therefore the use cost is reduced. And the use cost of the indwelling catheter fixing device is greatly reduced.

The utility model provides a special magnetic hole towel for extracorporeal membrane oxygenation catheterization, which comprises a first protective layer, a second protective layer and a magnetic hole towel, the first protective layer is provided with an adhesive layer along a first side of the thickness of the first protective layer, and the second protective layer is provided with a first magnetic piece along a second side of the thickness of the first protective layer; the hole towel comprises a first protection layer and a second protection layer, the second protection layer is a hole towel body, the area of the second protection layer is larger than that of the first protection layer, a second magnetic attraction part is arranged on the second protection layer, and magnetic attraction force exists between the second magnetic attraction part and the first magnetic attraction part. The magnetic drape special for the extracorporeal membrane oxygenation indwelling catheter has the advantages of being good in protection effect, not prone to moving, convenient to use and the like.

The utility model relates to the technical field of medical auxiliary appliances, in particular to an infusion pipeline protection treatment towel for a central venous indwelling catheter, which comprises a treatment towel main body, a folding area is arranged in the middle of the treatment towel main body, an upper layer treatment towel is arranged on one side of the folding area, and a lower layer treatment towel is arranged on one side of the folding area. A plurality of connecting bands are installed on one side of the lower-layer treatment towel at equal intervals, the elastic telescopic fixing bands are used in cooperation with the fixing rings, and a transparent window is formed in the upper-layer treatment towel. The fixing firmness of a pipeline can be enhanced through the elastic telescopic fixing belts and the fixing rings, displacement of the pipeline is avoided, the pipeline is effectively fixed in the treatment towel body, and the area where the pipeline is fixed can be observed through the transparent window; medical staff can conveniently observe the connection condition of the pipeline and the smooth condition of the pipeline in time, the treatment effect of the medical staff on a patient is conveniently improved, and adverse events are reduced.

A measurement device may be used with an indwelling catheter. The measurement device can include a housing from which a stylet extends. The housing can include circuitry for receiving measurements from one or more sensors on the stylet. The circuitry may also include a wireless module for wirelessly transmitting the measurements to a patient's electronic medical record or monitoring device.

The utility model provides a femoral artery indwelling catheter fixing band which comprises an elastic waistband capable of being fixed on a human body, two hook-and-loop fasteners are arranged on one side of the elastic waistband, the two hook-and-loop fasteners are fixed to the thigh root of an operation limb in a crossed mode, a pocket structure is arranged outside the crossed portion of the two hook-and-loop fasteners, and a micro catheter is arranged in the pocket structure. A net-shaped breathable belt is arranged at the contact position of the outer ring of the elastic waistband and the wound. According to the utility model, the elastic waistband is adopted for firm fixation, and the micro-catheter is placed in the pocket structure, so that the pollution of the micro-catheter is reduced; the net-shaped breathable belt is arranged at the wound contact part, so that the pressure at the contact part of the elastic bandage and the wound is reduced, the errhysis at the puncture part caused by local bruise and large pressure is reduced, and the comfort of a patient is improved.

The invention relates to the technical field of medical equipment, in particular to a tympanic membrane ventilation pipe system composed of a tympanic membrane ventilation pipe and a tympanic membrane ventilation pipe wrapping layer. The device is suitable for tympanic membrane catheterization. The tympanic membrane ventilation pipe comprises an inner claw, a pipe body and an outer claw, the pipe body is a hollow pipe, the two ends of the pipe body are fixedly connected with one end of the inner claw and one end of the outer claw respectively, and the other ends of the inner claw and the outer claw are free ends; the free end is made of memory alloy, is in a straightened state at the temperature of 0 DEG C and is in a bent state at the temperature of 20-40 DEG C. The structure is newly innovated, and an existing traditional indwelling catheter structure is changed. And the free ends of the inner claw and the outer claw are bent in a normal-temperature state through the memory alloy. The bending state of the inner claw and the outer claw achieves multi-point and internal and external bidirectional fixation, the bending state of the inner claw and the outer claw increases the supporting area and the supporting firmness, multi-point firm fixation of the eardrum in the ear is ensured, internal and external bidirectional fixation is achieved through bidirectional fixation of the inner claw and the outer claw, and the risk that the eardrum falls out of the auditory meatus and falls into the tympanic chamber is thoroughly solved.

The automatic assembling equipment comprises a needleless positive pressure connector conveying mechanism, a communicating pipe conveying mechanism and a needle head assembling mechanism, the communicating pipe conveying mechanism is located between the needleless positive pressure connector conveying mechanism and the needle head assembling mechanism, and gluing mechanisms are arranged on the two sides of the communicating pipe conveying mechanism; automatic machining of the venous indwelling needle is conveniently achieved, so that the machining efficiency is improved, meanwhile, the labor intensity of workers is reduced, and sterile machining of the indwelling needle is guaranteed.

The invention discloses an external dressing for fixing an arteriovenous connecting catheter and a preparation method thereof in the technical field of medical dressings, and provides an external dressing for fixing an arteriovenous connecting catheter and a preparation method thereof. N-isopropylacrylamide, N-hydroxymethyl acrylamide and polyethylene glycol are used for preparing polymer nanofibers; the external dressing for the indwelling catheter, which is prepared by taking 1, 4-phenylenediboronic acid as a bridging structure and connecting tannic acid through a covalent bond, has the characteristic of high adhesion property due to a polyhydroxy structure of the tannic acid, and has the characteristics of antibacterial property, antioxidation and high mechanical activity.

The utility model discloses an anti-seepage abdominal cavity puncture indwelling catheter drainage device which comprises a flexible drainage tube (1), a drainage channel (2) is formed on the inner side of the drainage tube (1), a flexible sheath (3) is arranged on the outer side of the drainage tube (1), the front end of the sheath (3) is closed, a water injection channel (4) is formed between the sheath (3) and the drainage tube (1), a connector (5) is arranged at the rear end of the drainage tube (1), and the rear end of the sheath (3) is fixed with the connector (5). A drainage connector (6) and a water injection connector (7) are arranged on the connector (5), the drainage connector (6) is communicated with the rear end of the drainage channel (2), the water injection connector (7) is communicated with the rear end of the water injection channel (4), a one-way valve (8) is arranged between the water injection connector (7) and the water injection channel (4), and a bag sleeve (19) is arranged in the front area of the sheath (3). The utility model has the advantages that the pain of a patient is not increased during use, the fixation is firm, and the effusion is not easy to seep.

The thoracic cavity closed drainage tube comprises a drainage tube body, a sliding sleeve is arranged in the drainage tube body, an annular groove is formed in the outer side surface of the sliding sleeve, a first annular elastic air bag and a second annular elastic air bag are arranged in the annular groove, and a plurality of annularly-distributed positioning holes are formed in the drainage tube body; the sliding sleeve is connected with a second air pipe pulling the sliding sleeve to move in the drainage pipe, one end of the second air pipe communicates with the second annular elastic air bag, and the other end of the second air pipe extends out of the drainage pipe and is connected with an air pressure detection unit. The side holes can be blocked in the indwelling catheter process, liquid in the chest cavity is prevented from flowing out of the side holes too early, and whether the last side hole smoothly enters the chest cavity or not can be rapidly and visually judged according to the reading of the external air pressure detection unit. The positioning holes are further used for being matched with the positioning holes to form a plurality of flexible positioning convex points to assist the drainage tube in positioning, and great convenience is brought to intubation operation of the drainage tube.

The present disclosure generally relates to fluid therapy based on patient data, and associated systems, devices, and methods. Embodiments of the present technology can obtain multiple inputs of urine output volume data from a patient without using an indwelling catheter, determine an accumulated volume of urine output data based on the obtained multiple inputs, and adjust the patient's fluid therapy based on the accumulated volume and / or the obtained multiple inputs. Additionally, or alternatively, embodiments of the present technology can include one or more sensors that measure a volume and / or a change in volume of urine within the patient's bladder to determine a urine output rate of the patient, without using an indwelling catheter. Accordingly, embodiments of the present technology can advantageously manage a fluid therapy for patients that refuse an indwelling catheter.

The positioning device comprises the puncture indwelling catheter, the surface of the puncture indwelling catheter is fixedly sleeved with a catheter fixing piece, side plates are arranged on the left side and the right side of the catheter fixing piece correspondingly, and fixing holes are formed in the surfaces of the side plates; a pair of adjusting supports is symmetrically installed on the left side and the right side of the catheter fixing piece, and the whole adjusting supports are in a triangular shape and protrude towards the outer side of the catheter fixing piece. By arranging the adjusting bracket, the fixed plate, the movable plate and the fixed notch, when the tightness of a suture needs to be adjusted, a medical worker can hold the upper part of the adjusting bracket and adjust the position of the movable plate downwards or upwards, so that the movable plate slides on the surface of the catheter fixing sheet; therefore, the protruding amplitude of the suture after being extruded by the fillet on the outer side of the fixing plate is controlled, the tightness of the suture is adjusted, the problems of pain and the like possibly caused by the fact that the suture pulls the skin can be avoided, and the use safety of the puncture indwelling catheter is further improved.

The invention relates to the technical field of medical auxiliary instruments, in particular to a PICC (Peripherally Inserted Central Catheter) compression auxiliary device. Comprising a PICC indwelling catheter mechanism, a rotating mechanism, an elastic mechanism and a clamping mechanism, the rotating mechanism is rotationally connected to the right side of the outer surface of the PICC indwelling catheter mechanism, the elastic mechanism and the clamping mechanism are movably installed on the left side of the outer surface of the PICC indwelling catheter mechanism through the rotating mechanism, an elastic band is movably installed in the elastic mechanism, and one side of the surface of the rotating mechanism is connected with an inserting rod; the elastic band rotates in the elastic mechanism through the inserting rod, a limiting groove is formed in the clamping mechanism, and the elastic band rotationally extends into the clamping mechanism and is movably clamped to the surface of the limiting groove. The surface of the elastic band is clamped through the arranged limiting groove, the rotating gear is rotated again, the inserting rod is made to rotate, the lantern ring is driven to rotate on the inner wall of the clamping ring, and the opening position of the clamping ring and the opening position of the positioning groove are blocked, so that the elastic band can be effectively clamped in the clamping groove, and PICC catheterization compression operation can be directly and effectively conducted on a patient.

The utility model discloses a visible upper arm central venous indwelling catheter pressurization hemostasis device which comprises a left pasting area, a middle compression area and a right pasting area, the middle compression area comprises an outer ring transparent air bag and an inner ring transparent water bag, a needle penetrating window is arranged on the lower half portion of the inner ring transparent water bag, an elastic gasket is arranged on the periphery of the bottom side of the needle penetrating window, and the right pasting area is arranged on the right side of the right pasting area. A first connecting pipe and a second connecting pipe are connected to the lower portion of the middle compression area, the first connecting pipe is upwards communicated with the outer-ring transparent air bag and downwards communicated with the inflation head, and the second connecting pipe is upwards communicated with the inner-ring transparent water bag and downwards communicated with the water injection opening. While effective pressurization and cold compress are achieved, the hemostasis effect and the skin tissue condition at the pressurization position can be visually observed.

The present disclosure generally relates to fluid therapy based on patient data, and associated systems, devices, and methods. Embodiments of the present technology can obtain multiple inputs of urine output volume data from a patient without using an indwelling catheter, determine an accumulated volume of urine output data based on the obtained multiple inputs, and adjust the patient's fluid therapy based on the accumulated volume and / or the obtained multiple inputs. Additionally, or alternatively, embodiments of the present technology can include one or more sensors that measure a volume and / or a change in volume of urine within the patient's bladder to determine a urine output rate of the patient, without using an indwelling catheter. Accordingly, embodiments of the present technology can advantageously manage a fluid therapy for patients that refuse an indwelling catheter.

The utility model relates to a PICC catheter indwelling auxiliary cart which comprises a cart body, the cart body comprises a table top, a storage rack is arranged above the table top, guardrails are arranged on the periphery of the table top, supporting legs are arranged below the table top, a storage device is arranged at the bottom of the table top, a connecting piece is arranged on one side of the table top through bolts, and the connecting piece is hinged to an arm supporting device. The arm supporting device comprises a supporting plate, a soft cushion and a lifting supporting rod, the bottom of the lifting supporting rod is hinged to the connecting piece through a first rotary knob, the lifting supporting rod is hinged to the supporting plate through a second rotary knob, the soft cushion is connected with the supporting plate through a bolt, the lifting supporting rod can freely adjust the height of the supporting plate vertically, and the supporting plate can move. According to the utility model, the support function can be provided for meeting the requirements of arms of patients with different body positions and different heights, the fatigue of the patients is relieved, the comfort is improved, the pollution caused by the physical strength of the patients in the disinfection process is avoided, and the indwelling catheter requirements in different environments are met.

The utility model discloses a portable constant-temperature constant-pressure invasive arterial pressure monitoring device for preloading heparin saline water. The portable constant-temperature constant-pressure invasive arterial pressure monitoring device comprises a device main body and a disposable sensor consumable for preloading the heparin saline water. The device body is small in size, can be hung on an infusion support for use, and is good in portability. After the improved sensor consumable is connected with an artery indwelling catheter of a patient, an artery pulse signal of the patient can be converted into pressure data to be displayed on a main body screen. A pressure control device and a temperature control device are further arranged in the main body, and a nurse can control the pressure control device and the temperature control device through the touch display screen, so that the pressure and the temperature of liquid in the saline bag are controlled, and constant temperature and constant pressure are kept. A nurse does not need to repeatedly adjust pressure and temperature, and a patient does not feel cold and uncomfortable when flushing the pipeline. According to the device, heparin, normal saline and a traditional sensor are integrally designed, so that the time consumed for nurse article preparation and operation is shortened, the labor cost is saved, and meanwhile, the time is bought for rescuing and transferring a patient.

A self-retracting indwelling catheter for preventing blood leakage, relating to the area of ​​medical devices, comprises a catheter unit (1) and a needle tube unit (2) on the catheter unit (1), wherein the catheter unit (1) comprises a mounting base (11) and a catheter (12), the catheter (12) being mounted on and passing through the mounting base (11), the needle tube unit (2) comprising a mounting housing (21), a needle tube (22) and a needle holder (23), the needle holder (23) being connected to the needle tube (22), the needle holder (23) being slidably arranged in the mounting housing (21), one end of the needle holder (23) protruding from the mounting housing (21) into the catheter (12), the mounting housing (21) being connected to the mounting base (11), and a locking assembly (3) being arranged on the mounting housing (21).and wherein the locking assembly (3) limits circumferential movement of the mounting housing (21) on the mounting base (11). This invention increases the success rate of indwelling catheter puncture by solving the problem of deviation of the cannula stylet's beveled edge, which leads to a lower success rate.

The patch comprises a positioning patch body, a liquid absorption patch body and a protection patch body which are sequentially pasted and fixed, the positioning patch body is of an annular structure with a liquid absorption cavity in the middle, a positioning protruding ring A is arranged on the top face of the positioning patch body, and an operation opening is formed in the middle of the liquid absorption patch body. A positioning convex ring B matched with the positioning convex ring A is arranged on the bottom surface of the liquid absorption patch and located on the outer side of the operation opening, a liquid absorption strip is arranged on the bottom surface of the liquid absorption patch and located between the positioning convex ring B and the operation opening, and when the liquid absorption patch and the positioning patch are pasted and fixed, the inner side wall of the positioning convex ring B is matched with the outer side wall of the positioning convex ring A, and the liquid absorption strip is located within the range defined by the positioning convex ring A; when the protection paste is pasted and fixed to the liquid absorption paste, the liquid absorption paste is located within the range of the bottom face of the protection paste, and the range of the liquid absorption cavity is larger than that of a body surface catheter fixator at a catheter puncture position. According to the structure, the application convenient for absorbing the seepage at the catheterization puncture position can effectively absorb the seepage at the catheterization puncture position and keep the skin of the body surface at the catheterization puncture position dry and comfortable.

The purpose of the present invention is: to provide a molding material comprising a thermoplastic polyurethane that enables the formation of a molded article having flexibility, and such molded article; and to provide an indwelling catheter using this molding material, the catheter being resistant to kinking even if the diameter is small. The catheter comprises a molding material containing a thermoplastic polyurethane having a hard segment including a structural unit derived from an aromatic isocyanate compound and a soft segment including a structural segment derived from a carbonate-based polyol, and having a hardness of A65 or less. Also, the molding material comprises a thermoplastic polyurethane having a hard segment containing a structural unit derived from an aromatic isocyanate compound and a soft segment containing a structural unit derived from a carbonate-based polyol. The carbonate-based polyol includes, as a polyol component, a structural unit derived from 1,10-decanediol.

The invention relates to the technical field of medical instruments, in particular to an interventional drug sustained release microsphere injection device which comprises a base, and a drug pushing mechanism, a drug mixing mechanism, a valve mechanism and a control mechanism are arranged on the base. The medicine pushing mechanism is provided with a medicine pushing injector used for pushing medicine, the medicine mixing mechanism is provided with a medicine storage injector used for temporarily storing the medicine, the valve mechanism comprises a three-way valve and a hose, two connectors of the three-way valve are connected with the medicine pushing injector and the hose respectively, the other connector of the three-way valve is used for being connected with an indwelling catheter, and the hose is connected with the medicine storage injector. By additionally arranging the oscillating mechanism and the control mechanism, the operation is convenient, the medicine storage injector can be oscillated and uniformly mixed, manual shaking is not needed, the medicine pushing injector is repeatedly pushed and drawn, the uniformity of microspheres in the injection is high, the whole interventional treatment time is shortened, and the surgical risk is reduced.