61results about How to "Reduce Surgical Injuries" patented technology

The invention discloses a surgical navigation method. The surgical navigation method comprises the following steps that a three-dimensional virtual image generating device receives data of a patient body for three-dimensional reconstruction so as to obtain a virtual model; a spatial location device recognizes recognition features on the patient body, and spatial data is obtained; a spatial data processing terminal receives the spatial data, and computation and calibration of three-dimensional space coordinates are conducted; a optical head-mounted display receives the three-dimensional space coordinates and the virtual model, then the virtual model and a patient body part are fused through the augmented reality technology and mapped on a display screen of the optical head-mounted display so as to assist with surgical navigation. According to the method, the image model data is utilized so that a doctor can be helped to select an optimal surgical pathway, the location accuracy is improved, the surgical injury is reduced, the damage to nearby tissue is reduced, and accordingly the surgical success rate is improved.

The invention discloses an injection-type cartilage bionic matrix for the regenerative repair of cartilage and a method for using the same. The materials, of which the main components are the same as those of the extracellular matrix of the normal articular cartilage, are used as a raw material, and the raw materials undergo dissolution and pH adjustment to form the injection-type cartilage bionic matrix which is in a sol state at the low temperature and at a gel state at the body temperature; and by using the injection-type cartilage bionic matrix as a carrier, the injection-type cartilage bionic matrix is mixed with seed cells at the low temperature and then injected in cartilage deficiency parts, the injected materials undergo phase change by raising the temperature of the deficiency area to turn into the gel, so that the seed cells are fixed in the deficiency parts to conduct the regenerative repair function. The method is simple and easily implemented, the product is conveniently used, the operation injury is small, and the repair effect of the deficiency parts is good; the raw material has high biocompatibility and safety, all components undergo intermolecular bonding under the preparation conditions of the invention, so that the problem that the single bionic material is degraded too fast is solved; and the seed cells are directly mixed with the raw materials, and the culture in vitro is unnecessary so that the detention time in vitro of the seed cells are shortened, and the clinical application is safer.

The invention belongs to the technical field of medical polymer materials and in particular relates to X ray developing thermotropic hydrogel and a preparation method thereof. The X ray developing thermotropic hydrogel comprises an iodine-containing amphiphilic block copolymer and a solvent, wherein the iodine-containing amphiphilic block copolymer is obtained by bonding an iodine-containing micromolecule and an amphiphilic block copolymer by virtue of a covalent bond, and thermotropic gelatinization phase transformation can be carried out on a water system of the X ray developing thermotropic hydrogel along with temperature increase. The thermotropic hydrogel can be implanted under the skin and implanted into an abdominal cavity, an articular cavity and other specific parts of a human body in a mode of injection, and in situ formed hydrogel has good X ray developing performance, clear positioning and long-term tracing observation can be carried out on the hydrogel by adopting an X ray radiography technique. The thermotropic hydrogel also can serve as a medicine controlled release carrier, a tissue repairing support, a blood vascular embolization agent, a tissue marker and the like and can be used for realizing integration of diagnosis and treatment.

The invention discloses an analogue operation training system, and belongs to the field of cross-over studies coalescing a plurality of subjects such as an information technology, an automation technology and a machinery manufacturing technology. The analogue operation training system can be used for operation path planning before an operation and the daily operation training of a physician. Analogue operation software is developed, a brain model can be established according to magnetic resonance imaging (MRI) data, and a virtual operation can be performed based on the brain model in a computer virtual space; an operation operator is designed, and has six degrees of freedom, and the operating principle for the operation operator is the same as that of a ventriculoscope operating knife, so that real sense of operation is ensured; a field programmable gate array (FPGA)-based multi-path data acquisition system is designed, and can be used for acquiring six paths of coder data in real time, so that the system is high in real-time performance; and the system is high in brain model accuracy, real-time tracking performance, operation realism and automation degree and low in development cost.

Provided is a surgical system for NOTES by which surgical invasion can be reduced. A surgical system for NOTES comprising a circular anastomosis device (1) wherein an anvil part (3) attached to a guide electrical wire (100) is connected to a main body (2) to be inserted into body tract and then inserted into a body tract (T) from a natural orifice (Ma) and, after cutting off a lesion site (T3) inthe body tract with a pair of linear cutters (558, 559) of a linear cutter / stapler (500) having been inserted from a body cavity (Mb), the cut ends are anastomosed together for the repair.

The invention discloses a notch sealer of abdominal wall of laparoscope surgery, which consists of elastic bushing ring (1) and soft sleeve (2), wherein one end of the soft sleeve (2) connects the elastic bushing ring (1) and the other end is opening. The invention has simple and reasonable structure, convenient usage, low cost, which can seal the notch rapidly and rebuilds pneumoperitoneum to finish the reconstruction of digestive tract in the internal and external linked abdominal cavity under pneumoperitoneum condition.

The invention relates to a retinal prosthesis with a spherical arc substrate. The retinal prosthesis comprises a microelectrode array, a microelectrode array outgoing line portion and an external electrical stimulation lead-in portion. The retinal prosthesis is mainly technically characterized in that the microelectrode array is arranged on the surface of the spherical arc retinal prosthesis. The center of the retinal prosthesis is more effectively fitted with the surface of the retinal prosthesis by the aid of the microelectrode array on the surface of the spherical arc retinal prosthesis, a microelectrode is arranged on a spherical arc convex surface, so that the microelectrode can effectively contact with the surface of the retinal prosthesis, electrical stimulation efficiency is improved, stimulation current of the microelectrode array on the surface of the retinal prosthesis is reduced, the service time of the microelectrode array is prolonged, the retinal prosthesis is effectively protected, and spherical arc polychlorostyrene with biocompatibility replaces xylene materials and serves as a flexible substrate, so that manufacture and implantation of the electrode array are facilitated.

The invention provides a composite neural electrode and a preparation method thereof. The composite neural electrode comprises a flexible neural electrode cured material; the flexible neural electrodecured material comprises a polymer cured material and flexible neural electrode arrays dispersed in the polymer cured material by a co-assembling effect; and an active substance is dispersed in the polymer cured material. In the invention, the active substance is dispersed in the polymer cured material coating the peripheries of flexible neural electrodes, and the composite neural electrode can be implanted into a specific brain area of the brain and carries out fixed point conveying on the loaded active substance to a target brain area so as to carry out regulation and control on cell functions of the target brain area; and meanwhile, the electrode adopting the flexible neural electrodes can record and stimulate an electrical activity signal of neurons, can be combined with technologiessuch as optogenetics and the like, and has the important application value for research in the aspects of a neural circuit, nerve diseases and the like.

The invention discloses an intracranial deep electrode. The intracranial deep electrode is composed of an insulated tube-type carrier, multiple electrode points, an insulated wire, an elastic core and an end, wherein the electrode points are embedded in the tube-type carrier, the insulated wire is located in the carrier, the two ends of the insulated wire are connected with the electrode points and plug connectors respectively, the elastic core is arranged in the tube direction corresponding the electrode point sections, and the end is arranged at the front end of the electrode. Because elastic rings are arranged at the positions, corresponding to the electrode points, inside the tube-type carrier, the electrode has excellent sealing performance. Because the edges of the electrode points are provided with ground corners, the electrode points will not scratch brain tissue which the electrode points pass through when the electrode is implanted or taken out, and operation risks are reduced. When the end is used as an electrode point, the electrode can puncture and enter the brain more smoothly and is prevented from deviating from a preset path in the inserting process. Besides, the end can perform electrocoagulation damage or radiofrequency ablation to damage diseased tissue of the brain. Meanwhile, a doctor can calculate the implantation depth easily to reduce operation injury.

The present invention relates to a liver opening device used in a laparoscopic gastric operation. The present invention is characterized in that the liver open device includes an elastic lining ring (1), a soft sleeve (2) and an elastic tongue ring (4). The circumstance of the elastic lining ring (1) is respectively connected with the soft sleeve (2) and the elastic tongue ring (4). The other end of the soft sleeve (2) is under the open status. The liver opening device used for the laparoscopic gastric operation provided by the present invention has the advantages of simple and reasonable structure, convenient use and low cost. The device can rapidly seal the incision, reconstruct the pneumoperitoneum, fully open the lever under the pneumoperitoneum status and effectively expose small bend visual fields. A large outer-arranged surgical instrument can be arranged through the device and the internal and external linkages in the peritoneal under the pneumoperitoneum status can be done to finish the gastric operation.

The invention provides a percutaneous tracheostomy device, comprising a lacerable catheter sheath, a trachea catheter and a puncture needle, wherein the lacerable catheter sheath is provided with a sheath catheter with a hollow cavity, and a sheath catheter joint fixedly connected with one end of the sheath catheter; the trachea catheter comprises a trachea cannula and enters the sheath catheter cavity of the lacerable catheter sheath via the sheath catheter joint, and parts of the trachea catheter are left out of the trachea catheter joint; the puncture needle head passes through the lacerable catheter sheath through the trachea cannula cavity to be exposed out of the lacerable catheter sheath; the tail of the puncture needle is left out of the trachea cannula; the puncture needle punctures through a catheter and introduces the trachea catheter and the lacerable catheter sheath to enter the catheter; the puncture needle is pulled out from the sheath catheter cavity, and the lacerable catheter sheath is torn; parts of the trachea catheter are left in the catheter, and parts of the trachea catheter are left out of the catheter.

The invention provides a percutaneous tracheostomy device comprising a tearable conduit sheath, a puncture needle and a tracheal cannulapuncture needle pierces the trachea, leads the tearable conduit sheath to enter the trachea and is pulled out of the tearable conduit sheath; the tearable conduit sheath, is led by the tearable conduit sheath to enter the trachea; and the tearable conduit sheath can be torn and the trachea. The outside diameter of the tearable conduit sheath. The puncture needle, the tearable conduit sheath and the tracheal cannulapercutaneous tracheostomy device has the advantages of no need of cutting apart the wall of the trachea, small injury, less operation sequelae, simpleness and safety in operation, lower operation expense and the like.

The invention discloses an orthopedic centralized drill guide, which comprises: a connecting rod, a guide sleeve and clamping claws; the outer wall of the upper end of the guide sleeve is connected and fixed with the connecting rod, and the end surface of the lower end of the guide sleeve is provided with anti-skid serrations; The jaws include a sleeve, a limit screw and a pair of arc-shaped elastic metal sheets, the two arc-shaped elastic metal sheets are fixed at the lower end of the sleeve, and the two arc-shaped elastic metal sheets are arranged symmetrically to each other; the sleeve can slide The sleeve is set on the guide sleeve, and the sleeve is fixed with the guide sleeve by a limit screw. Through the above method, the present invention can control the drill bit in the middle of the bone medullary cavity, ensure the maximum holding force of the screw, reduce surgical injury, shorten the operation time, and reduce the operation bleeding.

The invention relates to medical instruments and discloses an upper urinary tract complex lesion percutaneous flexible ureteroscope operation to solve the problems that a flexible tube of an existing ureter device is prone to being left in a lower section of a ureter, a pump line is prone to disengaging, and consequently, body irrigation fluid leaks. According to the upper urinary tract complex lesion percutaneous flexible ureteroscope operation, a percutaneous puncturing and expanding device, a ureteroscope, a cold light source, a camera system, a bedside B ultrasonic machine, an intracavity calculus removing instrument, a high-pressure sacculus expander, a pressure adjusting water-delivery pump and a holmium laser ureteroscope are adopted. The ureteroscope comprises a sheathing canal, a flexible tube located in the sheathing canal, a push tube used for connecting the sheathing canal with the flexible tube, a handheld part located at the tail end of the sheathing canal and a washing valve. By means of the rotationally-combined sheathing canal and flexible tube, the ureteroscope is more suitable for being applied to complex kidney stone operations.

The present invention discloses a digital technology navigation method. The digital technology navigation method comprises the following steps: a three-dimensional virtual image generating device receives patient body data for three-dimensional reconstruction to obtain a virtual model; a spatial positioning device recognizes recognition features set on the patient body to generate spatial data; aspatial data processing terminal receives the spatial data and performs calculation and calibration of three-dimensional spatial coordinates; and after an optical head-mounted displayer receives the three-dimensional spatial coordinate data and the virtual model, the virtual model is merged with the patient body part through an augmented reality technology to be mapped on a display screen and assist in surgical navigation. The digital technology navigation method utilizes the image model data, can help doctors to select an optimal surgical path, improves positioning accuracy, reduces surgicaldamages, reduces damages to adjacent tissues, and thus improves success rates of surgeries.

The invention discloses anti-cancer medicinal liquor as well as a preparation method and application thereof. The anti-cancer medicinal liquor is prepared from the following raw materials in parts by weight: 350-450 parts of Blaps rynchopetera Fairmaire, 450-550 parts of Tenebrio molitor, 250-350 parts of myrmeleontidae larva, 100-200 parts of Scoropendra subspinipes mutilans and 4500-5500 parts of Baijiu. After being reasonably drunk, the anti-cancer medicinal liquor has a remarkable curative effect on laryngeal cancer, rectal cancer, breast cancer, gastric cancer, bladder cancer, prostate cancer, uterus cancer and the like; the anti-cancer medicinal liquor can effectively slow down the deterioration of diseases and alleviate symptoms, and also can effectively reduce surgical injury to patients who are subjected to operations and chemoradiotherapy, improve immunologic cellular activity inhibited by the chemoradiotherapy, consolidate the curative effect of the chemoradiotherapy and reduce the toxic and side effects of the chemoradiotherapy, thus effectively improving the survival quality of the patients and prolonging the lives of the patients.

The invention discloses a hypophysoma cutting and removing device. The hypophysoma cutting and removing device comprises an operating rod the interior of which is provided with a sucking hose in a penetrating manner, wherein the sucking hose is connected with a negative pressure sucking machine, a liquid inlet hose is further arranged in the operating rod in a penetrating manner, the rear end part of the liquid inlet hose is connected with a liquid pump, the front end of the operating rod is provided with an operating head capable of rotating in a positioning manner, a sucking head connected with the sucking hose and a liquid knife head connected with the liquid inlet hose are mounted on the operating rod, the liquid knife head comprises a flat tube the rear end of which is communicated with the liquid inlet hose, the front end of the flat tube is provided with a strip-shaped liquid outlet gap allowing liquid to be sprayed out to form a liquid knife, and the operating rod is provided with a sucking controller for controlling the on-off of the sucking hose and the sucking head, and a removing controller for controlling the liquid flow pressure in the liquid inlet hose. The hypophysoma cutting and removing device is simple in structure and convenient to operate, and has the advantages that the operation time is shortened, the operation effect is improved, and the operation injuries are reduced.

The invention belongs to the technical field of medical polymer materials and in particular relates to X ray developing thermotropic hydrogel and a preparation method thereof. The X ray developing thermotropic hydrogel comprises an iodine-containing amphiphilic block copolymer and a solvent, wherein the iodine-containing amphiphilic block copolymer is obtained by bonding an iodine-containing micromolecule and an amphiphilic block copolymer by virtue of a covalent bond, and thermotropic gelatinization phase transformation can be carried out on a water system of the X ray developing thermotropic hydrogel along with temperature increase. The thermotropic hydrogel can be implanted under the skin and implanted into an abdominal cavity, an articular cavity and other specific parts of a human body in a mode of injection, and in situ formed hydrogel has good X ray developing performance, clear positioning and long-term tracing observation can be carried out on the hydrogel by adopting an X ray radiography technique. The thermotropic hydrogel also can serve as a medicine controlled release carrier, a tissue repairing support, a blood vascular embolization agent, a tissue marker and the like and can be used for realizing integration of diagnosis and treatment.

The invention discloses a Mimics-based computer simulation double-wedge-shaped osteotomy method. The method comprises the following steps: acquiring CT projection data of the affected side and CT projection data of the uninjured side of a patient; respectively inputting the affected side CT projection data and the uninjured side CT projection data into Mimics, and establishing a corresponding affected side three-dimensional model and uninjured side three-dimensional model only containing humerus and ulna and radius; performing X-ray photography on the affected side three-dimensional model and the uninjured side three-dimensional model in an X-ray module, and acquiring a corresponding affected side simulated normal-position X-ray film and an uninjured side simulated normal-position X-ray film; determining an affected side osteotomy orthopedic angle according to the affected side simulation normal position X-ray film and the uninjured side simulation normal position X-ray film; designing an osteotomy path on the affected side simulation orthotopic X-ray film; projecting an osteotomy path on the affected side simulation normal position X-ray film to an entity STL according to a position likelihood principle to obtain an osteotomy indication point; and enabling a computer to simulate osteotomy and surgical reduction. The method can improve the measurement precision of the lifting angle, effectively reduce the lateral displacement, increase the bone surface contact area, improve the bone contact stability, and reduce the bone disconnection rate.

The invention discloses a remote surgical navigation device based on an in-situ projection technology. The remote surgical navigation device comprises an operating bed, an image device, a connecting rod, an operating end processor, an Internet and a remote end processor, wherein a camera is arranged above the operating bed; the camera head is connected with the operating end processor through theconnecting rod; and the operating end processor is connected with the remote end processor through the Internet. The invention discloses a remote surgical navigation method based on an in-situ projection technology. The remote surgical navigation method is characterized by comprising the following steps that a camera collects on-site color video data; the operation end processor performs signal processing on the color video data; the operation end processor transmits the signal to the remote end processor through the Internet; a doctor at the remote end performs labeling guidance on a screen of the remote end processor according to the real-time image information of the operation end; and the operation end processor processes the received signal and projects an operation instruction of theremote end doctor to a corresponding operation position of the patient through an in-situ projection device.

The invention relates to a method of inspecting target stone with B ultrasound of an extracorporeal shock wave lithotripter. The method comprises the following steps: a. moving a section of a B ultrasound probe to intersect with the axle wire of a shock wave cup at a focus of a wave source, namely, the point is the focus of the wave source of shock waves; b. transmitting the scanned images collected by the B ultrasound probe in real time to a computer, and setting a scanned image with stone located in the focus of the wave source as a template image; c. comparing the images scanned by the B ultrasound probe in real time with the template image through the computer, starting the shock waves to break the stone if the images scanned by the B ultrasound probe in real time are matched with the template image, then skipping to a step d, otherwise, not starting the shock waves to break the stone, and then skipping to the step c; d. automatically collecting a B ultrasound section image which is shocked and with the stone still located in the focus of the wave source to replace the former template image through the computer, and then skipping to the step c. The method of inspecting the target stone with the B ultrasound of the extracorporeal shock waves lithotripter has the advantages that by setting a threshold value to judge whether the stone shifts to the focus of the wave source or not, the shock waves emitted by a machine are guaranteed to act on the stone, a treatment effect is improved, operation damage of a patient is reduced, and the method of inspecting the target stone with the B ultrasound of the extracorporeal shock wave lithotripter is convenient to popularize.

The invention provides a percutaneous tracheostomy device comprising a tearable conduit sheath, a puncture needle and a tracheal cannulapuncture needle pierces the trachea, leads the tearable conduit sheath to enter the trachea and is pulled out of the tearable conduit sheath; the tearable conduit sheath, is led by the tearable conduit sheath to enter the trachea; and the tearable conduit sheath can be torn and the trachea. The outside diameter of the tearable conduit sheath. The puncture needle, the tearable conduit sheath and the tracheal cannulapercutaneous tracheostomy device has the advantages of no need of cutting apart the wall of the trachea, small injury, less operation sequelae, simpleness and safety in operation, lower operation expense and the like.

The invention discloses a multi-functional skeleton drilling-grinding bone harvester. The multi-functional skeleton drilling-grinding bone harvester comprises a handle, a sleeve, a drill rod, a drillbit and a measuring device. One end of the sleeve is provided with a fixing cover, and the other end of the sleeve is provided with a locking groove. The drill rod passes through the fixing cover. Oneend of the drill rod is provided with the handle, and the other end of the drill rod is provided with the drill bit. The outer side face of the sleeve is provided with the measuring device. The sidewall of the sleeve is connected with a searchlight. 4-6 LED lamp sources are installed around the searchlight. The multi-functional skeleton drilling-grinding bone harvester is strong in practicability, simpler in operation, and capable of rapidly and accurately taking caput femoris, and accurately measuring a size of the caput femoris, thereby reducing operation wound and haemorrhage. A whole design has the characteristics of firmness and durability, simple and convenient operation, and low cost, and is capable of taking out a whole bone, conveniently measuring a diameter of the taken bone, and reducing the operation injury.

The invention discloses an electromagnetic / resistance bimodal imaging device for guiding hip replacement. The device comprises an electromagnetic / resistance bimodal sensor module, the electromagnetic / resistance bimodal sensor module comprises a circular sleeve sleeving hip joint of the human body, an electromagnetic chromatography imaging sensor and a resistance chromatography imaging sensor, thecircular sleeve comprises an inner conductor ring and an outer shielding ring, an input end of the electromagnetic chromatography imaging sensor is connected with an output end of a first multichannelgating switch, an output end of the electromagnetic chromatography imaging sensor is connected with a first input end of a signal acquisition and treatment module, an input end of the resistance chromatography imaging sensor is connected with an output end of a second multichannel gating switch, and an output end of the resistance chromatography imaging sensor is connected with a second input endof the signal acquisition and treatment module. The electromagnetic / resistance bimodal imaging device for guiding hip replacement has the characteristics of simple structure, high response speed andgood timeliness.

The invention belongs to the technical field of medical consumables and relates to an elastic thread for thread-drawing therapy of perianal abscess and anal fistula. The elastic thread is characterized in that a number 0 is arranged at the central point of the elastic thread, and starting from the number 0, scales with the spacing of 0.5-1.0 cm are respectively arranged on the left part and the right part of the elastic thread; the numbers of the scales are gradually and respectively increased from the number 0 to the two tail ends of the elastic thread; the two tail ends of the elastic thread are fixedly connected with inelastic incoming threads; and each section of scales on the elastic thread is colored, and the colors of the scales are gradually and respectively changed from deep to light from the scale number 0 of the elastic thread to the two tail ends of the elastic thread. The elastic thread has the advantages that the elasticity is good, the property is stable, the operation is simple and convenient, the auxiliary reminding function is achieved, and assistance can be provided for doctors at the anorectal section to understand the conditions of patients more intuitively and accurately and the like.

The invention relates to a method for B-ultrasonic detection of target stones by an extracorporeal shock wave lithotripter. The focus of the wave source; b. Send the scanning image collected by the B-ultrasound probe in real time to the computer, and set a scanning image of a calculus at the focus of the wave source as a template image; c. The computer compares the real-time scanning image of the B-ultrasound probe with the template image , if the two match, start the shock wave for lithotripsy, then skip to step d, otherwise do not start the shock wave for lithotripsy, and skip to step c; d. Replace the previous template image with the B-mode ultrasound image, and then jump to step c. The beneficial effect of the present invention is: by setting a threshold value for the image deviation, it can be judged whether the calculus has drifted to the focus of the wave source, thereby ensuring that the shock wave emitted by the machine can accurately act on the calculus, improving the therapeutic effect and reducing the surgical injury of the patient , easy to promote.

Provide a system and method for use in NOTES so as to reduce surgical invasiveness. An insertion body that is connected by an anvil assembly and joined to a thin wire guide (electric guide wire), is inserted via a natural orifice into a hollow organ so as to incise and remove a diseased or defective site from the hollow organ by using a pair of (front-end / rear-end) linear cutters of a linear cutting / stapling device (linear stapler), after which the two cut ends of the tract are anastomosed and recovered by a circular anastomosis surgical stapler that is equipped with the system.

The invention is an arc-shaped sawtooth scissors meniscus trimmer, relates to a meniscus minimally invasive trimming surgical instrument, which can also be used for tissue excision in narrow gaps, and belongs to the field of medical instruments. The present invention has two annular handles, which are respectively connected to the main rod and the auxiliary rod. The main rod has a concave chute, and the auxiliary rod is located in the chute of the main rod. The front ends of the main rod and the auxiliary rod are scissor blades, which are in the shape of a 45-degree arc, which conforms to the physiological curvature of the meniscus. The scissor blades of the main rod are fixed, and the scissor blades of the auxiliary rod can be opened and closed. The finely serrated cutting edges of the scissors hold and bite the meniscal tissue that needs to be trimmed. When the handle of the sub-rod of the present invention moves closer to the handle of the main rod, the sub-rod slides backward along the chute of the main rod, so that the scissors of the sub-rod are closed with the scissors of the main rod, and the sawtooth of the cutting edge is fixed and bites the meniscus to be removed organize. When the handle of the auxiliary rod is separated from the handle of the main rod, the auxiliary rod slides forward along the chute of the main rod, so that the scissors of the auxiliary rod are separated from the scissors of the main rod, and the process of cleaning the meniscus is completed.

A retinal vein microneedle device belongs to a medical device, comprising an iontophoresis chamber and a microneedle, wherein the iontophoresis chamber is a hollow structure with openings at both ends and contains a therapeutic medium, and one end of the iontophoresis chamber is opened as The drug delivery end is buckled on the eyeball of the patient, and the other end is opened as the observation end, and the observation end is provided with a first electrode, the side wall of the iontophoresis chamber is evenly opened and connected to insulating hoses respectively, each insulating soft tube. The tubes are respectively connected with a microneedle; the microneedle is a hollow tubular shape, the front end of the microneedle is a second electrode, and the tail end of the microneedle is connected with an insulating hose, and under the guidance of the second electrode, the iontophoresis room medicine The ions are introduced into the mid-posterior segment of the patient's eyeball, with the first electrode and the second electrode having opposite polarities. The invention has the advantages of large medicine delivery range, high medicine delivery efficiency, small side reaction to patients and side injury of operation, and good operation effect.

The invention discloses an anticancer pharmaceutical composition as well as a preparation method and an application thereof. The anticancer pharmaceutical composition comprises the following raw materials in parts by weight: 10-30 parts of white clove flower root, 20-40 parts of paris polyphylla, 15-35 parts of panax notoginseng, 10-20 parts of oldenlandia diffusa and 1-10 parts of bamboo parasitism. According to the anticancer pharmaceutical composition disclosed by the invention, the various components supplement each other, and the anticancer pharmaceutical composition is obvious in anticancer effect, convenient to take, does not have any toxic or side effect, can achieve the effects of enhancing the immunity and promoting blood circulation and takes musk with an effect of inducing resuscitation as a guiding drug, and the composition is obvious in anticancer effect and obvious in effect of eliminating tumor cells.