31 results about "Urination functions" patented technology

The utility model discloses a constant pressure switch and drainage system for a urine bag, which comprises a shell, the shell comprises a main shell, a front cover body and a rear cover body, the main shell is provided with an input port and an output port, a liquid inlet cavity and a liquid drainage cavity are arranged in the shell, the input port is communicated with the liquid inlet cavity, the output port is communicated with the liquid drainage cavity, and the liquid drainage cavity is communicated with the front cover body. A movable sealing plate is arranged between the liquid inlet cavity and the liquid outlet cavity, the liquid inlet cavity and the liquid outlet cavity are communicated or isolated through movement of the sealing plate, and a spring is arranged between the sealing plate and the inner wall of the front cover body and / or the inner wall of the rear cover body. The scheme provides the constant pressure switch capable of protecting the urination function.

The application discloses a sickbed with a urination function, which comprises a bed body and a urination mechanism arranged on the lower side of the bed body, wherein the urination mechanism comprises a first urine tube, a urine bag, a second urine tube, a pump body, a urination tube, a motor, a first electromagnetic valve and a controller; one end of the first urine tube is connected with the water inlet end of the pump body through the urine bag and the second urine tube in sequence; the first electromagnetic valve is arranged on the first urine tube; the water outlet end of the pump body is communicated with a drainage pipeline through the second urine tube; and the motor and the first electromagnetic valve are connected with the controller; the application provides a sickbed which can automatically urinate, reduces the labor intensity of medical staff and prevents the urine bag from being broken.

The present application provides a urinary catheter structure, including an outer sheath tube with a drainage port, an inner core inserted in the outer sheath tube, and a balloon arranged at the distal end of the inner core, the balloon being positioned in the patient's bladder, and the outer sheath tube being able to be axially moved relative to the inner core by an external force, wherein when the drainage port of the outer sheath tube is located between the patient's sphincter and the bladder, the urine in the patient's bladder directly flows into the drainage port and is discharged, so as to provide an involuntary urination function, and when the drainage port of the outer sheath tube is located between the patient's sphincter and the external urethral opening, the urine in the bladder flows through the sphincter and enters the urethra, and then flows into the drainage port to be discharged through the urinary catheter passage, so as to provide an autonomous urination function. Thus, the present application can switch between providing autonomous urination and involuntary urination functions according to the actual use needs of the patient, and can effectively alleviate the patient's urinary tract irritation symptoms and reduce the risk of urinary tract infection.

The present invention is related to a device and a system for voiding dysfunction diagnosis. By detecting a vibration signal generated by the urine from a patient who suffers from urinary dysfunction, the present invention could efficiently and accurately detect and monitor the condition of the patient. The present invention can be introduced to actual clinical applications achieving continuous monitoring urination status for the patient for home care. The present invention could also provide urinary medication efficiency or urinary status of the patient before or after prostate surgery.

The invention discloses a construction method, system, equipment, product and medium for an ablation protection area, and the method comprises the steps: obtaining a cross-sectional image set of a prostate target area, the cross-sectional image set comprising a first cross-sectional image comprising a bladder neck and at least one second cross-sectional image comprising verumontanum; according to the first cross section image, a first boundary contour corresponding to the bladder neck is determined, and the first boundary contour covers the sphincter in the urethra; according to the second cross section image, a second boundary contour corresponding to the verumontana is determined, and the second boundary contour covers the verumontana; according to the first boundary contour and the at least one second boundary contour, the ablation protection area in the prostate target area is determined, the problem that definition of a functional structure depends on subjective judgment of clinical experience is solved, the quantitative protection standard of the functional anatomical axis from the bladder neck to the prostatic urethra to the verumontana is achieved, and the protection effect is improved. The risk of urination function impairment and sexual function impairment induced by transurethral ablation operation is effectively controlled.

The invention discloses a sacral marrow magnetic stimulation urination disorder rehabilitation system and method based on an electroencephalogram closed loop, and relates to the technical field of biomedical engineering, the system comprises an electroencephalogram signal acquisition module, a signal processing module, a task guiding module, a control module and a sacral marrow magnetic stimulation module; the electroencephalogram signal acquisition module is used for acquiring an electroencephalogram signal when a user executes a urination-related motor imagery task; the signal processing module carries out preprocessing, feature extraction and intention recognition on the collected electroencephalogram signals. According to the urination disorder rehabilitation system and method provided by the invention, accurate rehabilitation treatment of urination disorder is realized by fusing electroencephalogram signal recognition and sacral marrow magnetic stimulation technologies, the activity characteristics of the brain urination center can be captured in real time, the opportunity and intensity of sacral marrow magnetic stimulation can be dynamically adjusted, high matching with the brain activation rhythm is ensured, and the rehabilitation effect of urination disorder is improved. The recovery of the urination function of the patient is effectively promoted, and the recovery effect is improved.

The present application relates to the technical field of electroencephalogram (EEG) and brain-wave signals, and specifically to a brain-computer interface-driven system for brain-controlled urination function reconstruction in patients with spinal cord injury. The system comprises: an EEG signal acquisition module for acquiring the patient's EEG signal; an EEG signal interference module for acquiring the artifact interference characteristic value of each signal cycle; an artifact recognition module for extracting the interference cycle and normal cycle of the EEG signal, and utilizing the difference and correlation between the EEG signals in the interference cycle and the normal cycle to obtain the artifact recognition degree of each component signal sequence in each interference cycle; an EEG signal processing module for reconstructing the screened component signal sequence to obtain the EEG signal after signal processing; a function reconstruction module for identifying the stimulation level of the patient's motor intention through the EEG signal after signal processing, so as to perform urination stimulation training and realize the reconstruction of the urination function after spinal cord injury. The present application can improve the accuracy of EEG signals and effectively reconstruct the urination function after spinal cord injury.

The invention belongs to the technical field of medical instruments, and particularly relates to a urination function exercise device which comprises a catheter and a pressure switch. The pressure switch is provided with an upper shell, a lower shell, a first piston and an elastic piece, the lower shell is in threaded connection with the upper shell and can move up and down, the lower shell is provided with a liquid outlet, the first piston slides in the upper shell, and the elastic piece pushes the first piston. The upper shell is provided with a liquid inlet and a limiting piece. A sealing assembly is arranged in the lower shell and comprises a first piston cavity, a second piston cavity, a second piston, a third piston, hydraulic liquid, a sealing ring, an inner sliding cylinder and an outer sliding cylinder, the outer sliding cylinder is provided with a through groove, the elastic piece is a threaded spring, and the upper shell and the lower shell are transparent and provided with anti-skid lines. The device has the obvious advantages that the urination pressure is adjusted, the lower shell can be rotated to adjust the elastic piece to set a threshold value, and personalized exercise is achieved; the design of the transparent shell and the anti-skid lines facilitates medical care observation and operation, efficiency and quality of medical care are effectively improved, and a better solution is provided for postoperative urination function exercise of the prostate patient.

The invention provides a composition and method for treating prostate disorders. The composition can be formulated to provide a saw palmetto oil having about 3% w / w β-sitosterol.

Disclosed are a preparation method and use of a diagnosis-treatment integrated antibody-drug conjugate for autoimmune diseases. The preparation method comprises the following steps: mixing a contrast agent with an antibody and performing coupling via a physical reaction or a chemical reaction to give a contrast agent-antibody conjugate; and then mixing a drug with the contrast agent-antibody conjugate and performing coupling via a physical reaction or a chemical reaction to finally give the antibody-drug conjugate. The prepared antibody-drug conjugate has near-infrared fluorescence imaging and CT imaging characteristics, can target an inflammatory lesion, and can be used for diagnosing or assisting the diagnosis of autoimmune diseases. Meanwhile, the antibody-drug conjugate has a good anti-inflammatory effect and can ameliorate symptoms such as pain and improve urination functions after treatment. It achieves treatment effects by adjusting the diversity and abundance of the topical microbiota, thereby treating autoimmune diseases.

This invention belongs to the field of medical device technology, specifically relating to a urination function training device, including a catheter and a pressure switch. The pressure switch has an upper shell, a lower shell, a first piston, and an elastic element. The lower shell is threadedly connected to the upper shell and can move up and down. The lower shell has a drain port. The first piston slides within the upper shell, and the elastic element pushes the first piston. The upper shell has a drain port and a limiting element. The lower shell contains a sealing assembly, including first and second piston chambers, second and third pistons, hydraulic fluid, a sealing ring, an inner slide cylinder, and an outer slide cylinder. The outer slide cylinder has a through groove. The elastic element is a threaded spring. Both the upper and lower shells are transparent and have anti-slip textures. This invention has significant advantages. For urination pressure adjustment, the lower shell can be rotated to adjust the elastic element to set a threshold, enabling personalized training. The transparent shell and anti-slip texture design facilitate medical observation and operation, effectively improving the efficiency and quality of medical care, and providing a better solution for postoperative urination function training in prostate patients.

The invention discloses a controllable catheter which comprises an in-vivo implantation unit, an in-vitro control unit and an external auxiliary assembly. The in-vivo implantation unit is a medical silicon rubber hollow tube body and has seven specifications of 3.5-6.5 cm, a petal-shaped fixing part close to the bladder end can be unfolded and anchored on the bladder wall, and a magnetic drive pump valve assembly is arranged in the middle of the in-vivo implantation unit; the in-vitro control unit drives the spiral impeller to conduct negative pressure drainage through magnetic coupling, and the key controls opening and closing of the one-way valve. The size adaptation assembly comprises a urethra measurer and a push rod. The petal-shaped fixing part is coated with an antibacterial coating, the magnetic coupling efficiency between the inner magnet and the outer magnet is larger than or equal to 85%, and magnetic field leakage is controllable. The in-vitro unit integrates pressure monitoring and alarming functions and supports wireless charging and disinfection. And protein adsorption is reduced through in-vivo unit surface treatment, and the sealing of the joint reaches the IP67 standard. The device realizes autonomous urination control through magnetic driving, precise adaptation and antibacterial design, reduces the infection risk, improves the autonomy of patients, and is suitable for patients with urination dysfunction.

The present invention is related to a device and a system for voiding dysfunction diagnosis. By detecting a vibration signal generated by the urine from a patient who suffers from urinary dysfunction, the present invention could efficiently and accurately detect and monitor the condition of the patient. The present invention can be introduced to actual clinical applications achieving continuous monitoring urination status for the patient for home care. The present invention could also provide urinary medication efficiency or urinary status of the patient before or after prostate surgery.

The invention provides a preparation process and application of a traditional Chinese medicine patch for inducing diuresis to alleviate edema, and belongs to the technical field of medicine patches. Comprising the following steps: S1, treating raw materials; s2, powdering and sieving; s3, adding auxiliary materials, and stirring to prepare a medicine ball; s4, extruding; s5, strip making; s6, pelleting; s7, preparing an application; and S8, packaging and storing. The therapeutic effect is synergistically achieved through the stimulation effect and pharmacological action of the medicine on acupuncture points, the spleen and stomach transportation and transformation functions can be enhanced, the water-dampness metabolism capacity of the body can be enhanced, water delivery and distribution can be adjusted to improve the urination function, the mode of oral medicine is effectively replaced, and infection to the urinary system of a patient is avoided.

The invention relates to the technical field of intelligent closestools, and discloses a novel intelligent closestool integrating a closestool and a urinal, the novel intelligent closestool comprises a closestool body, the rear side of the top of the closestool body is fixedly connected with two supporting blocks, a connecting shaft barrel is rotatably connected between the two supporting blocks, and the inner diameter of the connecting shaft barrel is rotatably connected with a connecting shaft; a cover plate is fixedly connected to the outer diameter surface of the connecting shaft barrel, a seat ring is fixedly connected to the surface of the connecting shaft barrel, fixing frames are fixedly connected to the left side and the right side of the bottom of the seat ring, and a splash-proof mechanism is arranged between the two fixing frames. By adopting the integrated technical scheme that a single barrel body integrates double functions and an invisible telescopic splash-proof mechanism, the integrated adaptation of sitting-posture defecation and standing urination functions is realized, and the problems that additional space is occupied in a space-limited family environment, and the installation cost and the maintenance difficulty are increased are solved; different using habits can be met without additionally arranging sanitary appliances, and the arrangement cost and the maintenance pressure of the bathroom space are reduced.

The invention discloses a yam rhizome Tongli traditional Chinese medicine composition and application thereof, and belongs to the technical field related to traditional Chinese medicine, the yam rhizome Tongli traditional Chinese medicine composition comprises yam rhizome, rhizoma acori graminei, radix paeoniae rubra, spina gleditsiae, radix ranunculi ternati, verbena, fructus rosae laevigatae, fructus alpiniae oxyphyllae, lophatherum gracile, radix cyathulae, radix linderae and angelica sinensis, and the yam rhizome Tongli traditional Chinese medicine composition can synchronously eliminate dampness and heat and reinforce the kidney and reduce urination, can inhibit pathogens, and has the effects of clearing heat and eliminating dampness and The pharmaceutical composition can be used for treating both symptoms and root causes, improving local microcirculation, promoting blood circulation and regulating smooth muscle functions, and can be combined with tamsulosin hydrochloride sustained-release capsules to play a synergistic effect, improve urination function, reduce residual urine and infection risks, relieve pain and inflammation, treat both symptoms and root causes and reduce recurrence rate.

The invention provides a urethral catheterization system and method for rehabilitation nursing, and the method comprises the steps: extracting the correlation characteristics between the maximum urine flow rate of a urethral catheter in rehabilitation nursing and urination nerve reflex from the urination information of a user, and carrying out the quantitative prediction of the collaboration between the nerves and the bladder after rehabilitation nursing through the correlation characteristics. Obtaining collaborative indexes of nerve adaptation after rehabilitation nursing; transmitting the gradient distribution information to a processing terminal through a multi-channel data acquisition card, and performing multi-source coupling on the gradient distribution information of the bladder pressure in the catheter and the ultrasonic measurement value of the residual urine volume after the user urinates at the processing terminal to obtain a coupling value of the urination efficiency of the user in the current urination rehabilitation stage; and determining a rehabilitation coefficient of the urination function of the user according to the cooperation index of nerve adaptation and the coupling value of the urination efficacy, and performing cooperative adjustment on the indwelling time of the catheter based on the rehabilitation coefficient of the urination function. Based on the scheme, collaborative fusion of multi-source physiological features in urinary rehabilitation nursing can be realized.

The invention discloses an intelligent closestool control system which comprises a negative pressure suction module, a deodorization module, a tumor disease detection module, a urination function health state evaluation module and an interaction module. An intelligent closestool control method comprises the following steps that S1, the working mode of a negative pressure pump is adjusted; s2, starting a deodorization function of the intelligent closestool and a ventilation system of the toilet; s3, collecting part of the excreta diluent as a sample liquid, obtaining and analyzing genome sequence information of cells in the sample liquid, and analyzing and predicting the correlation of the genome sequence information and tumor pathology by using bioinformatics; s4, judging whether the user has urination dysfunction or not through continuous monitoring and analysis of the urine flow rate data and the urine volume data; and S5, obtaining a tumor disease analysis result and a urination function health state analysis result, and sending the analysis results to the user side APP and the intelligent closestool health detection display screen. The invention further discloses a closestool intelligent control method corresponding to the system and a closestool applying the intelligent control system.

The utility model discloses a constant-pressure urination system capable of automatically emptying liquid stored in a pipeline. The constant-pressure urination system comprises a liquid drainage pipeline, a constant-pressure liquid drainage device and an automatic emptying device capable of automatically emptying the liquid stored in the whole liquid drainage pipeline or part of the liquid drainage pipeline, when the liquid discharging pipeline is in a residual liquid discharging state, the automatic emptying device is in a working state, the space occupied by liquid in the liquid discharging pipeline can be filled with air through the automatic emptying device, and therefore the liquid remaining in the liquid discharging pipeline or / and the constant-pressure liquid discharging device can be discharged by means of the gravity of the liquid remaining in the liquid discharging pipeline or / and the constant-pressure liquid discharging device. The constant-pressure liquid drainage device has the advantages that liquid stored in the whole liquid drainage pipeline or part of the liquid drainage pipeline is automatically emptied after liquid drainage, it can be guaranteed that the pressure of the output end of the constant-pressure liquid drainage device is constant, and the stability and accuracy of constant-pressure liquid drainage of the constant-pressure liquid drainage device are guaranteed; the device can completely simulate the physiological urination function, is high in drainage speed, can take away sediments in the bladder, and achieves the effect of flushing the bladder.

The utility model discloses a portable urination function detection instrument which comprises a shell and a cover body arranged at the top of the shell, a urine flow rate detector used for detecting the urine flow rate is arranged in the shell, and a camera used for detecting a urine line is arranged in the shell. The device comprises a shell, a collecting structure used for collecting detected urine is arranged on one side of the shell, the collecting structure comprises a collecting barrel, an adsorption part used for adsorbing pungent gas is arranged in the collecting barrel, and an extraction part used for transferring the urine is arranged in the shell. The urine after detection is extracted into the collecting barrel to be stored through the liquid extraction part arranged in the shell, and meanwhile, the corresponding adsorption part is arranged in the collecting barrel to absorb pungent smell generated by the urine, so that the situation that a patient needs to pour out the urine after detection is completed every time is avoided, and daily multiple times of detection is facilitated.

A system and method is disclosed for measuring muscle reflexes (e.g., a bulbocavernosus reflex) as a tool for identifying / diagnosing dysfunctions (e.g., spinal cord abnormalities, bladder voiding dysfunction, and sexual organ dysfunction) non-invasively by using mechanical stimulation. The system and method includes a probe having a predetermined patient contacting portion, wherein when the contacting portion is moved into contact with a particular area of the patient (e.g., the patient's genitals), the contact induces a muscle reflex. The probe detects the pressure resulting from the contacting portion being abruptly and forcibly brought into contact with the particular area. Such detection is used to electronically initiate capture of electrical responses from a plurality of electrodes placed on the patient's skin in proximity to the particular area. Such electrical responses are processed to determine characteristics of the patient's reflexes of one or more muscles adjacent to thh: \e electrodes.

The utility model relates to the technical field of medical instruments, and discloses intracavity pressure detection equipment which comprises a tube body, two semicircular blocks are fixedly arranged at the upper end of the inner wall of the tube body, a fixing plate is fixedly arranged at the end, away from the semicircular blocks, of the inner wall of the tube body, and a spring is fixedly arranged at the upper end of the fixing plate. An extrusion plate is fixedly arranged at the end, away from the fixing plate, of the spring, a pressure sensor is in threaded connection with the interior of one side of the extrusion plate, and a stop block is fixedly arranged at the upper end of the pressure sensor. According to the intracavity pressure detection equipment, the intracavity pressure can be detected, the intracavity pressure can be measured by arranging the pressure sensor, the intracavity pressure is connected with an external structure, the magnitude of the pressure can be observed, when the intracavity pressure is too large, the pressure generates thrust on the stop block, the stop block downwards extrudes the spring, and the pressure in the cavity is detected. A gap is formed between the stopping block and the semicircular block, urine flows out of the tube body through the gap, and the automatic urination function is achieved by means of pressure in the cavity.

The invention relates to the technical field of electroencephalogram signals, in particular to a spinal cord injury brain-controlled urination function reconstruction system driven by a brain-computer interface. The system comprises an electroencephalogram signal acquisition module for acquiring an electroencephalogram signal of a patient; the electroencephalogram signal interference module is used for acquiring an artifact interference characteristic value of each signal period; the artifact identification module is used for extracting interference periods and normal periods of the electroencephalogram signals, and obtaining artifact identification degrees of component signal sequences of the interference periods according to differences and correlativity of the electroencephalogram signals in the interference periods and the normal periods; the electroencephalogram signal processing module is used for reconstructing the screened component signal sequence to obtain an electroencephalogram signal after signal processing; the function reconstruction module is used for recognizing the stimulation level of the movement intention of the patient through the electroencephalogram signals after signal processing so as to carry out urination stimulation training, and reconstruction of the urination function after spinal cord injury is achieved. The accuracy of the electroencephalogram signals can be improved, and the urination function after spinal cord injury is effectively reconstructed.

1. The name of the design product: urodynamic instrument. 2. The use of the design product: for measuring urine flow rate, bladder pressure and urethral resistance data, evaluating bladder storage and voiding function and urethral dynamics. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom view is not easy to see when in use, and the bottom view is omitted.

The invention provides a traditional Chinese medicine composition for preventing and treating neurogenic bladder urinary retention and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine compounds. The traditional Chinese medicine composition is prepared from the following components: 10 to 30 parts of radix paeoniae rubra, 20 to 50 parts of poria cocos, 10 to 30 parts of cassia twig, 10 to 25 parts of cortex moutan, 8 to 15 parts of peach kernel, 8 to 20 parts of radix cyathulae, 10 to 30 parts of cowherb seed, 2 to 5 parts of amber, 10 to 20 parts of earthworm, 8 to 15 parts of pericarpium citri reticulatae, 8 to 15 parts of radix semiaquilegiae and 8 to 15 parts of fistular onion stalk. Aiming at the etiology and pathogenesis of a patient suffering from neurogenic bladder urinary retention, a prevention and treatment strategy of promoting blood circulation to promote menstruation, promoting urination and regulating qi-flowing for strengthening spleen is adopted, and the medicines are used according to a primary formula and a secondary formula, so that the compatibility relationship of the medicines used in the traditional Chinese medicine composition is closely related to the disease of neurogenic bladder urinary retention; the prepared Chinese herbal medicine compound preparation can obviously improve the urination function, is beneficial to recovery of bladder nerve functions, promotes improvement of urodynamics and improves the clinical curative effect.

The invention discloses a constant-pressure urination system capable of automatically emptying liquid stored in a pipeline. The constant-pressure urination system comprises a liquid drainage pipeline, a constant-pressure liquid drainage device and an automatic emptying device capable of automatically emptying the liquid stored in the whole liquid drainage pipeline or part of the liquid drainage pipeline, when the liquid discharging pipeline is in a residual liquid discharging state, the automatic emptying device is in a working state, the space occupied by liquid in the liquid discharging pipeline can be filled with air through the automatic emptying device, and therefore the liquid remaining in the liquid discharging pipeline or / and the constant-pressure liquid discharging device can be discharged by means of the gravity of the liquid remaining in the liquid discharging pipeline or / and the constant-pressure liquid discharging device. The constant-pressure liquid drainage device has the beneficial effects that liquid stored in the whole liquid drainage pipeline or part of the pipeline is automatically emptied after liquid drainage, it can be guaranteed that the pressure of the output end of the constant-pressure liquid drainage device is constant, and the stability and accuracy of constant-pressure liquid drainage of the constant-pressure liquid drainage device are guaranteed; the device can completely simulate the physiological urination function, is high in drainage speed, can take away sediments in the bladder, and achieves the effect of flushing the bladder.

The invention relates to the technical field of pelvic floor muscle training, in particular to an intelligent pelvic floor muscle training system based on urodynamics feedback. The system comprises a signal acquisition and preprocessing module, a urodynamic parameter acquisition module, a function correlation analysis module, a personalized feedback generation module and a training scheme dynamic optimization module, and is characterized in that firstly, an electrode patch sensor is used for acquiring original pelvic floor electromyographic signals and carrying out time domain filtering processing, and an original signal packet with a time stamp is generated; secondly, synchronously obtaining maximum urine flow rate data, residual urine volume data and urine leakage event marks, dynamically associating electromyographic signal characteristics with urination function parameters based on a multiple linear regression model, and generating an evaluation result containing a training effect quantitative score, a recommended contraction mode and a function improvement trend chart; according to the method, the industrial problem that the signal strength and the rehabilitation effect are disjointed in a traditional scheme is solved through a function anchoring mechanism of urine flow dynamic parameters.

This invention relates to the field of postoperative functional recovery prediction technology, specifically a method for predicting the recovery of voiding function after orthotopic neobladder surgery based on multimodal data. The method includes the following steps: acquiring volume, urine flow rate, and urethral pressure data and synchronizing them in time; organizing data according to the voiding cycle in conjunction with imaging information; dividing the voiding cycle into stages and assessing the recovery progress; and determining whether the recovery trend has deviated. In this invention, by synchronizing and integrating volume, urine flow rate, and urethral pressure data in time and organizing them uniformly with the imaging sequence according to the voiding cycle, multi-source information is continuously correlated within the same time axis. Based on the ratio of volume to flow rate and pressure abnormality markers, the dynamic changes in the voiding process are characterized. The recovery progress is assessed by combining stage division and trend fitting, and the stability and deviation of the continuous cycle trend are identified. This transforms the judgment of voiding function recovery from a static conclusion to a dynamic prediction with sustainable tracking, improving individual adaptability and clinical early warning value.

The invention relates to the field of medical catheters, and particularly discloses an anti-sticking and anti-drag catheter with a bionic fixing device, the bionic fixing device is tightly attached to the middle section of the urethra by combining a bulged uneven surface with a micron-sized adhesion bulge structure on the outer wall surface and simulating an turbulent frog foot, and the anti-sticking and anti-drag catheter with the bionic fixing device is fixed on the middle section of the urethra. Part of patients can exert the urination control function of the sphincter in the bladder and the urethra, the operation of inserting into the bladder and the stimulation of foreign matters to the bladder are reduced, and urine is fully drained from a low position; when the fixing device is in contact and fixed with the urethra, the urethral catheter is effectively prevented from jumping off, the situation of urine leakage caused by incompatibility of a thin urethral catheter is reduced, and the friction injury and infection risk caused by frequent replacement of a thick urethral catheter to the urethra are reduced; meanwhile, a bionic anti-sticking and resistance-reducing structure is arranged on the inner wall of the urine flow channel of the bionic catheter, so that the adhesion of the inner wall to urine, calculus, blood and bacteria is reduced, the conditions of adhesion scaling, calculus deposition and blockage infection caused by long-term soaking of the catheter inner tube in the urine are reduced, and the safety and convenience of long-term retention catheterization are improved.

The present application relates to the field of medical catheters, and specifically discloses an anti-adhesive drag-reducing urinary catheter with a bionic fixator. The bionic fixator is tightly attached to the middle section of the urethra by means of a bulging uneven surface combined with a micron-scale adhesive protrusion structure on the outer wall that mimics a frog's foot, so that some patients can exert the urination control function of the bladder and the internal urethral sphincter, reduce the operation of inserting the bladder and the stimulation of foreign objects on the bladder, and fully drain urine from a low position; when the fixator is in contact with the urethra and fixed, it effectively prevents the urinary catheter from slipping out, reduces urine leakage due to the mismatch of thin urinary catheters, and reduces the friction damage and infection risk to the urethra caused by frequent replacement of thick urinary catheters; at the same time, a bionic anti-adhesive drag-reducing structure is provided on the inner wall of the urinary flow channel of the bionic catheter to reduce the adhesion of the inner wall to urine, stones, blood and bacteria, thereby reducing the adhesion scaling, stone deposition and blockage infection caused by the long-term immersion of the inner catheter in urine, and increasing the safety and convenience of long-term indwelling catheterization.