305 results about "Therapeutic effectiveness" patented technology

The invention relates to the technical field of medical information processing, and discloses an intelligent prescription auxiliary issuing system and method based on generative artificial intelligence and a storage medium, and the system comprises a multi-modal input module, a model generation module, a knowledge integration module, a prescription generation module, an auditing optimization module and a prescription output module. The method corresponds to the system, and the storage medium corresponds to the method. According to the application, the limitation of function fragmentation is avoided, diagnosis and treatment instructions, personalized habits of doctors, dynamic medical knowledge and risk control requirements are cooperatively and comprehensively planned through the modules, a medication safety base line is kept through risk grading verification, optimization suggestions are generated according to diagnosis and treatment habits of the doctors, meanwhile, the accuracy and efficiency of prescription making are improved, and the application prospect is wide. The comprehensive requirements for safety, personality and high efficiency of prescription assistance in clinical scenes are fully met, powerful support is provided for diagnosis and treatment work of doctors, and medication safety and treatment effects of patients are indirectly guaranteed.

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 invention provides a cardiovascular postoperative gradient pressure reduction type hemostasis device, and relates to the technical field of medical instruments, the cardiovascular postoperative gradient pressure reduction type hemostasis device comprises a controller, a pressing assembly and fixing assemblies, the pressing assembly and the fixing assemblies are electrically connected with the controller, and the two fixing assemblies are symmetrically connected to the two sides of the pressing assembly; an initial pressure setting module and a gradient decompression curve generation module are configured in the controller; the pressing assembly comprises a positioning ring and a pressing column penetrating through the center of the positioning ring; the fixing assembly comprises a deformation claw and a flexible adsorption block connected to the deformation claw. By monitoring the biological impedance and the skin temperature in real time and combining the self-adaptive gradient decompression algorithm to dynamically adjust the pressure, personalized hemostasis is achieved, limitation of a traditional constant pressure mode is avoided, the risk of postoperative complications is reduced, and the comfort and safety of a patient are improved; the problem that in the prior art, the treatment effect is poor due to the fact that pressing hemostasis is conducted through experience or a device with fixed strength is used is solved.

The invention relates to a dual-drug-loading airway stent and a preparation method thereof. A stent body of the dual-drug-loading airway stent is of a tubular structure and comprises an inner layer, an outer layer, a first drug-loading cavity and a second drug-loading cavity, the first drug-loading cavity and the second drug-loading cavity are arranged between the outer layer and the inner layer, a drug-loading film is loaded in the first drug-loading cavity, the drug-loading film comprises a first drug and a light-cured resin material, a hole for releasing the first drug is designed in the corresponding outer layer, and the second drug-loading cavity is provided with a second drug-loading cavity. And a second medicine is accommodated in the second medicine carrying cavity. The dual-drug-loading airway stent not only realizes long-time release of drugs, but also has response release characteristics on chronic inflammatory response microenvironment substances (such as weak acid, hydrogen peroxide and the like), and can perform intelligent response release according to local conditions of a patient. In addition, the dual-drug-loading airway stent can also realize combined use of drugs, and the treatment effect is improved.

The invention provides a pressure adjusting system and a method for adjusting the pressure of fluid in an inner cavity of medical equipment, and relates to a method for controlling a pressure control pump to enable the pressure of the fluid in the inner cavity of the medical equipment to change within a period of time. A coronary artery blood vessel remodeling catheter, a peripheral balloon dilatation catheter, a peripheral blood vessel remodeling catheter, an intracranial laser balloon dilatation catheter, a drug coating balloon dilatation catheter, a photodynamic balloon catheter, a mastoid balloon catheter, a constraint type balloon dilatation catheter and a spinous process balloon can be made. Expansion and contraction of a balloon body in a balloon catheter such as a drug delivery balloon catheter are regularly changed within a period of time, and therefore the treatment effect is better achieved.

The invention relates to the technical field of tumor treatment, in particular to a tumor patient symptom group collaborative management system, comprising a data acquisition module used for acquiring patient information and environment information through an intelligent device; the feature extraction module is used for data acquisition of the data acquisition module, and the feature extraction module performs feature extraction on the patient information and the environment information to obtain time domain features, frequency domain features and nonlinear features corresponding to symptoms; the evaluation platform identifies the core symptom group of the patient according to the time domain feature, the frequency domain feature and the nonlinear feature and calculates a total load index; the evaluation platform also performs symptom deterioration early warning; the collaboration platform is used for storing a disease knowledge base and identifying and obtaining a corresponding multi-mode intervention scheme according to the condition of a patient; and the patient terminal is used for pushing the multi-mode intervention scheme to the patient. According to the invention, the symptom group of the tumor patient can be managed as a whole, a personalized and real-time intervention scheme is provided for the patient, and the treatment effect is improved.

Described herein are compositions of binding agents and carrier proteins, and optionally at least one therapeutic agent, and methods of making and using the same, in particular, as a cancer therapeutic. Also described are lyophilized compositions of binding agents and carrier proteins, and optionally at least one therapeutic agent, and methods of making and using the same, in particular, as a cancer therapeutic. Still also described are methods for treating and / or increasing the therapeutic effectiveness of an immunotherapy of a patient suffering from a cancer which expresses PD-LI or PD-L2 by administering to the patient a nanoparticle composition and a PD-I immunotherapy.

The invention belongs to the technical field of medical instruments, and discloses an electric Taylor support which comprises a Taylor ring frame, a driving mechanism and a control module. In the key reset stage of an operation, the Taylor ring frame is integrally installed on the portion, needing to be corrected, of a patient, the driving mechanism is connected to the connecting shaft located on one side of the near-end ring in a driving mode, and the Taylor rod is driven by the driving mechanism to adjust the length so that correction can be conducted. The driving mechanism can drive the Taylor rod to achieve rapid, accurate and controllable adjustment, and the operation efficiency and effect are improved. After a reduction operation is completed and a long-term fixing stage is switched to, the driving mechanism is detached, so that the patient wears a light and firm pure mechanical bracket, and the wearing comfort of the patient is improved; the detached driving mechanism can be repeatedly used, so that the cost is remarkably reduced while the treatment effect is ensured; the driving mechanism can adjust the lengths of all Taylor rods only through one-time installation and disassembly, operation of a doctor is facilitated, and the operation efficiency is further improved.

This utility model discloses an easily adjustable fixing base for rigid endoscopes, relating to the technical field of rigid endoscope auxiliary equipment. The easily adjustable fixing base for rigid endoscopes consists of a powerful A-clamp, a multi-joint universal adjustment support rod, and a connecting ring. The multi-joint universal adjustment support rod includes multiple equidistantly arranged double-sided ball clamps and rolling balls. Adjacent double-sided ball clamps intersect in a cross shape, enabling flexible multi-dimensional adjustment to meet the needs of different observation angles of the rigid endoscope during medical operations. A pressure locking mechanism is provided above the powerful A-clamp. High-pressure hoses inflate the spherical cavity inside the rolling balls, causing the rubber ball sleeve to expand and compress the groove, thereby locking the support rod and ensuring stable support of the rigid endoscope after adjustment. This fixing base solves the problems of inconvenient adjustment, unstable support, and complex locking found in existing fixing bases, improving the convenience and accuracy of doctors' operations and having significant implications for improving medical diagnosis and treatment outcomes.

The invention provides a surgical operation wound drainage and administration device which comprises a sponge imbedding sheet, a plurality of drainage tubes and administration tubes which are distributed in a pairwise staggered mode are arranged in the sheet, and a plurality of drainage holes and administration holes are formed in the peripheries of the drainage tubes and the administration tubes respectively. A main pipe strip perpendicular to the drainage pipe and the dosing pipe is arranged on one side of the sponge imbedding piece, a drainage cavity and a dosing cavity are formed in the main pipe strip, and the drainage pipe and the dosing pipe are communicated with the drainage cavity and the dosing cavity respectively. And the main pipe strip is outwards connected with a liquid outlet pipe and a liquid inlet pipe which are respectively communicated with the drainage cavity and the dosing cavity. The device further comprises a drainage bag communicated with the liquid outlet pipe and a medicine storage tank communicated with the liquid inlet pipe. A piston piece is arranged in the medicine storage tank, high-elasticity compression sponge is arranged on the side, away from the liquid inlet pipe, of the piston piece and stores medicine liquid, air inlet micropores are formed in the end, close to the high-elasticity compression sponge, of the medicine storage tank, and a hole blocking piece is detachably connected to the outer side. According to the device, all-directional and efficient drainage and continuous and uniform drug administration can be achieved, wound impregnation is effectively avoided, and the postoperative wound nursing accuracy and the treatment effect are improved.

The present application relates to the technical field of medical devices, and provides a drainage tube and a drainage apparatus. The drainage tube comprises a drainage portion, a porous loose structure, and a granulation tissue blocking structure. The drainage portion is provided with a first drainage channel, and is further provided with a first drainage hole. The first drainage hole is in communication with the first drainage channel. The porous loose structure is wrapped around the drainage portion. The granulation tissue blocking structure is wrapped around the porous loose structure and is provided with a second drainage hole. The second drainage hole, the porous loose structure, the first drainage hole, and the first drainage channel are in communication. By providing the granulation tissue blocking structure, the drainage tube can, while satisfying negative pressure suction, prevent granulation tissue from growing into the porous loose structure, thereby reducing bleeding of granulation tissue and improving the therapeutic effect of negative pressure drainage.

The utility model relates to the technical field of medical instruments, and provides a conveying system which comprises a shell, a finger wheel, a transmission mechanism, a catheter assembly and an intravascular stent. Part of the finger wheel and the transmission mechanism are arranged in the shell, the finger wheel is connected with the transmission mechanism, part of the catheter assembly extends out of the shell, the transmission mechanism is connected with the catheter assembly, and the catheter assembly is used for conveying an intravascular stent; when the finger wheel rotates, the transmission mechanism can be driven to act, and then the catheter assembly is driven to move to release the intravascular stent. The intravascular stent comprises a stent body, and the diameter of the stent body is gradually reduced or gradually reduced in the extension direction of the length of the stent body. According to the conveying system, the stent body is arranged to be in the hollow circular truncated cone shape or the stepped barrel shape, the conveying system can adapt to blood vessel physiological deformation with unequal diameters and taper, blood vessels can be effectively expanded and well attached to the wall, damage caused by excessive expansion to the blood vessels is avoided, and the treatment effect is guaranteed.

The present invention provides tissue processing systems, apparatus, and methods. [Solution] Provided herein is a system for treating patient tissue. The system comprises an energy delivery console and at least one energy delivery device. The energy delivery console can deliver a first dose of energy and a second dose of energy. The energy delivery device comprises a first delivery element configured to deliver a first dose of energy to target tissue and a second delivery element configured to deliver a second dose of energy to target tissue. The first dose of energy may include the delivery of energy that reversibly alters the target tissue, and the second dose of energy may include the delivery of energy that irreversibly alters the target tissue. The first dose of energy is delivered to enhance the therapy provided by the second dose of energy.

The present application relates to a knitted covered stent, comprising: a support layer and a flow-restricting layer, wherein the support layer is formed from braiding units braided into a hollow cylindrical braided structure, and the flow-restricting layer is formed from braiding units knitted together; the support layer serves as a base scaffold of the stent and provides necessary mechanical support, the flow-restricting layer is a knitted structure covering an exterior of the support layer, wherein the flow-restricting layer uses a knitting process where the braiding units are interlooped and continuously knitted into a mesh covering the exterior of the support layer, and an inner side of the flow-restricting layer is adhered to an outer side of the support layer, resulting in a knitted covered stent comprising a braided structure + a knitted structure; moreover, an interlayer connection structure is provided between the support layer and the flow-restricting layer, so as to achieve interlayer connection and fixation between the support layer and the flow-restricting layer. Compared with conventional laser-cut scaffold + polymer membrane designs, the present application exhibits superior wall apposition and compliance, with better adaptability to vessel morphology and dynamics, thereby improving implantation performance and therapeutic efficacy of stents.

The invention discloses a whole course follow-up visit and compliance management system for hepatopathy patients, which belongs to the technical field of medical health information management and comprises a multi-dimensional risk layering module, a self-adaptive follow-up visit scheduling module, a behavior intervention engine module and a closed-loop effect evaluation module. The multi-dimensional risk layering module performs feature fusion and risk layering based on clinical, behavior and psychological data; the adaptive follow-up scheduling module dynamically adjusts the follow-up frequency according to the risk level; the behavior intervention engine module generates a personalized intervention scheme based on a habit formation theory; the closed-loop effect evaluation module calculates compliance improvement indexes and generates optimization parameters, the four modules form a deep coupling closed-loop system, self-adaptive optimization is achieved, the treatment compliance rate of a patient can be increased, and the treatment effect can be remarkably improved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a bloodletting device. In the bloodletting device, one end of a drainage tube is connected with a puncture needle through a three-way connector, the other end of the drainage tube is communicated with a drainage bag, and a peristaltic pump is sleeved with the middle of the drainage tube; the puncture needle is punctured into a vein of a patient, the pump head of the peristaltic pump is used for extruding the drainage tube to generate negative pressure in the drainage tube, blood is pumped out of the vein at a constant speed, the stable bloodletting effect is achieved, it is guaranteed that one-time bloodletting amount is sufficient, and the ideal treatment effect is achieved.

This utility model provides a drug identification device, relating to the field of dispensing device technology. The drug identification device includes: a first visual recognition component, a tray, a conveying module, a turntable, a second visual recognition component, and a controller. The drug identification device provided in this embodiment uses the first visual recognition component to acquire the quantity, type, and position of the drugs on the tray. This allows the controller to control the conveying module to accurately pick up and move the drugs to the turntable. By installing a second visual recognition component on the side of the turntable, the device captures and identifies the drug's name, appearance, and dosage, enabling accurate and automatic drug identification, saving manpower, avoiding errors in drug use, and preventing risks to patient treatment outcomes.

The present invention belongs to the technical field of medical diagnosis. Provided are a marker and a kit for the clinical diagnosis of prostate cancer and the use. By means of integrating the expression or variation of multiple genes, the marker can more comprehensively reflect the biological characteristics of prostate cancer, thereby improving the diagnostic accuracy. Since prostate cancer may present no obvious symptoms in the early stage, such a highly sensitive marker can assist physicians in detecting prostate cancer in the early stage, and can thus enhance the therapeutic efficacy and patient survival rate. The kit and system based on the marker enable the diagnosis or prediction of prostate cancer in a subject by means of acquiring detection information of the marker and combining the information with a preset threshold, thereby allowing for the efficient processing of a large volume of data and providing accurate diagnostic results. Therefore, the present invention not only contributes to the diagnosis and treatment of prostate cancer, but may also offer new insights into the pathogenesis and prevention of prostate cancer.

The invention discloses a child atomization therapeutic apparatus and a wearing device thereof, and belongs to the technical field of auxiliary diagnosis and treatment instruments.The wearing device comprises a mask, the mask comprises a mask body, the mask body is provided with a dismounting and mounting base plate, one side face of the dismounting and mounting base plate is located in the mask body, the other side face of the dismounting and mounting base plate is located outside the mask body, and the dismounting and mounting base plate is provided with dismounting and mounting holes and detachably connected with a second pipe body; a flexible diaphragm is arranged in the cover body and divides the space in the cover body into an upper space and a lower space. According to the scheme provided by the invention, the problems that a wearing device of an atomizer is poor in wearing adaptability, atomized airflow is easy to directly spray to cause bucking, parts are tedious to disassemble, assemble and clean, and the airflow adjusting precision is insufficient are solved, the treatment safety is improved on the whole, and the compliance and the treatment effect of atomization treatment for children are improved.

The invention relates to a throat natural cavity operation platform, and belongs to the technical field of medical instruments, the throat natural cavity operation platform comprises an operation table, a support frame, a lower support mechanism and a bendable throat cannula, the two ends of the operation table in the width direction are the front end and the rear end respectively, a patient sits in front of the operation table through a seat, and a doctor sits behind the operation table through the seat; the support frame is fixed on the table top close to the front part of the operating table; the lower support mechanism comprises an electric push rod and a lower jaw support; the electric push rod is fixed on the support frame and a telescopic end thereof reciprocates along the height direction of the support frame; the supporting frame is fixed to the telescopic end of the electric push rod. The throat cannula is located above the rear portion of the lower jaw support and fixed to the supporting frame. A traditional throat cavity operation platform structure is subverted, a sitting type operation is adopted to replace a horizontal type operation, the throat operation of local anesthesia can be implemented, the worry of a patient is reduced, the operation convenience of a doctor can be improved, the treatment effect is improved, and the medical cost is reduced.

The invention relates to the technical field of medical instruments, in particular to a vibration frequency red light tissue repair instrument and system convenient to use, the instrument comprises a supporting assembly and a vibration assembly, the supporting assembly comprises a mounting shell, a holding part and a red light source module, the mounting shell is arranged on the holding part, and the red light source module is arranged in the mounting shell; the vibration assembly comprises a vibrator, a connecting ring, a sliding head and a buffer spring, the connecting ring is slidably connected with the mounting shell and located on one side of the mounting shell, the sliding head is fixed to the connecting ring, a transparent window is arranged in the center of the sliding head and used for infrared light to pass through, the vibrator is arranged on the sliding head, and the buffer spring is arranged between the sliding head and the mounting shell. Red light treatment can be carried out while vibration is carried out, and therefore the treatment effect can be improved.

This invention provides a neurointerventional catheter assembly, relating to the field of medical device technology, comprising a catheter body; a flexible tip at the distal end of the catheter body; a side hole on the sidewall of the flexible tip; a guide portion on the flexible tip; a through hole in the middle of the flexible tip; and a control guidewire passing through the middle of the catheter body, the control guidewire having a protrusion with a diameter larger than the through hole diameter. This invention features a flexible tip with a side hole located next to the through hole, allowing the side hole to be directly aligned with a branch vessel. The flexible tip guides a stent catheter, which then passes through the side hole, enabling the stent catheter to directly enter the branch vessel. This reduces the difficulty of stent catheter placement, thereby reducing surgical complexity and improving treatment outcomes.

The present invention relates to an oral extended-release dosage form of 7-methylxanthine (7-MX) or a pharmaceutically acceptable salt thereof. The dosage form is designed for twice-daily administration and provides controlled release of the active agent, achieving pharmacokinetic characteristics including sustained plasma concentrations and reduced fluctuation compared to immediate-release formulations. The invention further relates to the use of such dosage forms in the treatment of myopia, wherein the extended-release characteristics enhance therapeutic effectiveness in myopia.

The utility model provides a kind of traditional chinese medicine hot parcel constant temperature bag, belong to medical instrument technical field, the traditional chinese medicine hot parcel constant temperature bag, including breathable heat conduction layer, the side end of breathable heat conduction layer is fixedly connected with first adhesive tape, the bottom end of first adhesive tape is fixedly connected with second adhesive tape, the top of breathable heat conduction layer is equipped with constant temperature control device, this kind of positioning fixed mechanism can guarantee the stable positioning of traditional chinese medicine hot parcel under various use conditions, to optimize the penetration and therapeutic effect of drug component, the special material setting of breathable heat conduction layer makes heat can be effectively transmitted while keeping air circulation, increase the comfort of use, this setting reduces the discomfort in the course of treatment, so that patients can receive treatment for a longer period of time, and further improve the continuity and compliance of treatment.

The present application relates to the field of liver cancer immunotherapy efficacy evaluation method combining imageomics and deep learning, and specifically discloses a liver cancer immunotherapy efficacy evaluation method combining imageomics and deep learning. The method comprises the following steps: acquiring multi-modal medical images and clinical information of a liver cancer patient; performing standardization preprocessing and automatic lesion segmentation on the images; extracting features through a multi-scale deep network and realizing semantic alignment by using a cross-modal attention mechanism; fusing the images and the clinical data to construct a multi-source heterogeneous feature matrix; adopting a hierarchical model structure, modeling the spatial distribution of tumor immune microenvironment by using a graph neural network at the bottom layer, dynamically tracking the evolution of efficacy by using a gated recurrent unit at the upper layer, and finally outputting an immune response probability, a tumor load trend and a treatment response grade. The present application can objectively and quantitatively evaluate the efficacy of liver cancer immunotherapy, and improve the precision and automation level of individualized diagnosis and treatment decision-making.

The invention relates to the technical field of medical instruments, in particular to a detachable folding type intelligent spine traction repositor which comprises a traction mechanism and an intelligent traction controller, a lumbosacral support, a chest support and a cervical vertebra support are sequentially arranged in the middle of a main cushion body along the middle line of the main cushion body, and a main traction air pressure sensor is installed in a detection cavity; each bearing pad body is provided with an electromyogram sensor and two pressure sensors; a traction system is carried in the traction intelligent controller, the main traction subsystem comprises a traction module, a traction force detection module and a human body state detection module, and the directional traction subsystem comprises a directional traction module; by arranging the traction mechanism and the traction intelligent controller, precise directional traction is synchronously carried out while regional traction is carried out, traction correction is carried out on the side protrusion position, the treatment effect on a patient is improved, intelligent traction correction of spine traction is achieved, and the purpose of safe traction is achieved.

This utility model relates to medicine and can be used in neurosurgery. It is used as a means of accessing the intervertebral disc between the 5th lumbar and 1st sacral vertebrae at a 90-degree angle for laser vaporization. The utility model achieves the following technical results: 1. A minimally invasive, minimally invasive approach to the intervertebral disc at the L5-S1 level. 2. Allows to improve the effectiveness of treatment and achieve maximum pain relief in polysegmental lesions of intervertebral discs 3. Prior to this utility model, attempts were made to perform laser vaporization of the disc at the L5-S1 vertebral body level from anatomically inconvenient locations, which was accompanied by a long time interval, prolonged pain for the patient, the end of the electrode was not in the center of the nucleus pulposus, sometimes even on the cortical layer of the vertebral bodies, as a result of which the maximum effect of vaporization was not obtained, or aseptic inflammation of the bone tissue of the vertebrae was obtained. This utility model eliminates the above-mentioned issues, reducing vaporization time. The essence of this utility model is that, using this trocar and drilling stylet, we provide direct access to the L5-S1 intervertebral disc. Laser vaporization of this disc has not previously been performed due to its anatomical limitations.

The invention provides a traditional Chinese medicine acupuncture and respiratory training integrated rehabilitation apparatus. The rehabilitation apparatus comprises a controller; the respiration detection assembly is electrically connected with the controller through a transmission line; and the mounting assembly is arranged on the side surface of the controller. According to the traditional Chinese medicine acupuncture and respiratory training integrated rehabilitation apparatus, through mutual cooperation of the controller, the respiration detection assembly, the mounting assembly, the guide assembly, the driving assembly and other structures, when the rehabilitation apparatus is used, the respiration detection assembly collects respiration data in real time and transmits the respiration data to the controller, and after the controller analyzes the respiratory rhythm, the respiratory training is completed. Through a servo motor, a threaded rod and a threaded sleeve of the driving assembly, a sliding plate, a mounting ring and an acupuncture needle of the guiding assembly are driven to move accurately, automatic and accurate cooperation of acupuncture and respiratory rhythm is achieved, manual control is not needed, and the influence of human factors on the treatment effect is reduced; therefore, the problems that in the prior art, cooperation of acupuncture and respiratory rhythm depends on manual work, and accuracy is low are solved.

The present application relates to the technical field of mental health department, especially to a mental health department self-injury prevention safety structure, including seat, the upper part of the seat is provided with a cushion part, the surface of the cushion part is provided with a support part; the self-injury prevention mechanism includes an electric push rod fixedly installed on the back of the cushion part, the output end of the electric push rod is drivingly connected with a transmission member moving along the inside of the guide groove, one end of the transmission member is fixedly connected with a clamping part, one side of the clamping part is fixedly connected with a guide rail, the inside of the guide rail is slidably provided with a guide block, one side of the guide block is rotatably provided with a fixing piece, the surface of the fixing piece is fixedly provided with a pressure receiving piece, the pressure receiving piece on the surface of the fixing piece is accurately pressed on the lower jaw of the patient, the lower jaw part is flexibly folded and limited, the possibility of biting tongue and other self-injury behaviors of the patient in the state of stress or emotional outburst is blocked, and the safety of the treatment environment and the treatment effect are improved.

The application discloses a safe indwelling needle for dialysis, which comprises an indwelling component, a puncture component, an anti-backflow device, a flow-stopping clamp and a needle-sticking prevention device; the indwelling component comprises a catheter, a catheter seat, an extension tube and an infusion interface; the puncture component comprises a puncture needle and a needle seat, the rear end of the puncture needle is fixedly connected with the needle seat, and the puncture needle is slidably connected with the inside of the anti-backflow device, the needle-sticking prevention device and the indwelling component; the front end of the anti-backflow device is connected with the infusion interface of the indwelling component, and the rear end is provided with an open end and connected with the needle-sticking prevention device; the needle-sticking prevention device penetrates the puncture needle, the front end is matched with the rear open end of the anti-backflow device, and the rear end is matched with the needle seat; when the puncture is successful and the puncture needle is retreated to the position of the needle-sticking prevention device, the needle head is limited in the needle-sticking prevention device; the flow-stopping clamp is used for temporarily compressing the extension tube after puncture. The application is safe and convenient to use, guarantees the treatment effect of blood dialysis, and reduces the risk of blood-borne diseases of medical staff.