147 results about "Urethral catheterization" patented technology

The invention relates to the technical field of functional coatings of medical instruments, in particular to a temperature-sensitive response type sodium polyacrylate catheter leakage-proof coating, a preparation method and application thereof, and the coating is of a three-layer composite structure. And the bottom bonding layer adopts a polydopamine modified silane coupling agent system, contains silver nanoparticles, has the thickness of 5-15 microns, and ensures strong bonding and antibiosis of the substrate. The middle functional layer is a three-dimensional cross-linking degree gradient interpenetrating network polymer, is composed of a plurality of monomers and nano materials, and is 50-100 [mu] m in thickness, the cross-linking degree of the middle functional layer is gradually increased from inside to outside, gradient transition of mechanical properties is achieved, the outer protective layer is composed of a copolymer, is 3-8 [mu] m in thickness, and provides excellent anti-fouling and biocompatibility. The coating is endowed with strong adhesive force, gradient mechanical property and surface stability, the sodium polyacrylate component absorbs water and expands in urine to form sealing, and the expansion degree of the sodium polyacrylate component is regulated and controlled by the pH value and ionic strength of the urine.

The invention relates to a wireless intelligent control drug release bladder floating instrument system. The bladder floating instrument comprises a shell, a driving module, a control module and a power supply module, the shell is used for entering the bladder through the urethra and suspending in the bladder liquid, and at least one medicine cavity used for containing medicine and an air cavity used for providing suspension force for suspending the whole bladder floating instrument in the bladder liquid are arranged in the shell. According to the drug release bladder floating instrument suspended after being placed in the bladder, bladder drug release can be conducted repeatedly, regularly and quantitatively according to needs after the bladder floating instrument is placed in the bladder. And finally, the bladder floating instrument is taken out from the bladder. Only two catheterization operations are carried out in the whole treatment process. Compared with existing bladder perfusion treatment, repeated, long-term and invasive urethral catheterization operation is avoided, and therefore huge pain caused by bladder perfusion treatment to a patient is reduced.

The urethral catheterization device comprises a urethral catheter and a urine collecting bag connected to one end of the urethral catheter, a urethral catheterization hole is formed in the other end of the urethral catheter, an air inflation tube and an anesthetic liquid tube are sequentially sleeved on the outer side of the urethral catheter, an air inflation bag is arranged at the end, close to the urethral catheterization hole, of the air inflation tube, and an air pump connector is arranged at the other end of the air inflation tube. A plurality of drainage holes are formed in the end, close to the catheterization hole, of the anesthetic liquid tube, and an injector connector is arranged at the other end of the anesthetic liquid tube; a connecting ring is arranged at the upper end of the urine collecting bag and used for being connected with a detection alarm device. According to the utility model, the pain of a patient can be reduced, and when urine in the urine collection bag reaches a set weight, the loudspeaker automatically gives a voice alarm, so that nursing personnel and the patient do not need to frequently observe the situation of the urine collection bag, and the urine collection bag can be replaced or the urine in the urine collection bag can be discharged in time; the occurrence of symptoms such as bacterial infection and abdominal distension pain which are easily caused by the fact that the urine enters the bladder in a retrograde manner due to excessive storage of the urine is avoided.

The utility model belongs to the technical field of medical instruments, and particularly relates to a urinary catheterization device which comprises a waistband and a urinary catheter, an inner pad and a fixing band are arranged on the waistband, a first hook-and-loop fastener is arranged on the inner pad and connected with a bonding layer on the outer surface of the waistband in a bonding mode, and a crotch pad and a first adjusting ring shaped like a Chinese character'ri 'are arranged on the fixing band. A seam is formed in the crotch pad, a fixing piece, a second hook-and-loop fastener A and a fixing seat are arranged on the crotch pad, the second hook-and-loop fastener A is connected with a second hook-and-loop fastener B arranged on the fixing piece in a bonding mode, an air nozzle is arranged on the fixing seat, and the air nozzle is communicated with a clamping air bag which is arranged at the inner end of the fixing seat and used for clamping and fixing a catheter. In the use process, the catheter can be fixed, the risk that the catheter falls down and falls off due to the fact that the catheter is not firmly fixed or urine in a urine collection bag is too much can be effectively prevented, and therefore the stability of the catheter in the indwelling use process is improved.

The utility model discloses a urinary catheterization device convenient for nursing, and particularly relates to the field of urinary catheterization, which comprises a urine bag, the top of the urine bag is fixedly connected with a threaded pipe, the outer wall of the threaded pipe is connected with a connecting piece through threads, the top of the connecting piece is fixedly connected with a urinary catheter, and a diversion trench is arranged in the connecting piece. A guide rod is fixedly installed in the flow guide groove, one side of the guide rod is slidably connected with a clamping piece, the clamping piece is arranged in the flow guide groove, a clamping groove is formed in the top of the flow guide groove, the clamping groove is formed in the top of the clamping piece, a limiting groove is formed in the bottom of the flow guide groove, and an insertion rod is inserted into the limiting groove. According to the medical urine bag, the inserting rod and the clamping block are arranged, when a worker takes down the urine bag, the clamping block can ascend to seal an outlet of the threaded pipe, and the situation that after the medical worker takes down the urine bag, urine in the urine bag overflows through the threaded pipe, the medical worker needs to clean the urine bag, and bad influences are caused to the medical worker is avoided.

The utility model relates to the field of medical instruments, in particular to a visual reducing catheter which comprises a catheter body, one end of the catheter body is provided with a urine bag connector, and the other end of the catheter body is provided with a catheterization hole and a balloon used for limiting the catheterization hole in the bladder. A first connecting pipe and a second connecting pipe are arranged on the left side and the right side of the catheter body respectively, and a first charging connector and a second charging connector are arranged at the head of the first connecting pipe; a side air bag is sleeved on the catheter body between the balloon and the roots of the first connecting tube and the second connecting tube, the first inflating nozzle is communicated with the side air bag, and the second inflating nozzle is communicated with the balloon; a visual assembly is arranged on the second connecting pipe and used for monitoring and displaying the air pressure in the side air bag in real time. The catheter not only has a reducing function, but also has the function of monitoring the pressure of the ureter part entering the body of a patient in real time, visualization is achieved, and the pressure can be dynamically adjusted according to the actual requirements of the patient.

A detachable urethral catheterization device for guiding a movement of a urinary catheter is provided. The detachable urethral catheterization device includes a conveying body and a clamping module. The conveying body includes a driving module, a conveying channel, and a module accommodating groove in communication with the conveying channel, the module accommodating groove including a first coupling component. The clamping module coupled to the driving module, and having a second coupling component, where the second coupling component is detachably coupled to the first coupling component in the module accommodating groove, and where the driving module is configured to control the clamping module to clamp the urinary catheter and move the urinary catheter in the conveying channel and the module accommodating groove.

The utility model relates to a variable-color pressure-measuring catheterization device, and relates to the technical field of pressure-measuring catheterization devices.The variable-color pressure-measuring catheterization device comprises a catheter and a pressure-measuring tube, one end of the catheter is connected with a urine bag, and a first communicating valve is arranged at the end, close to the urine bag, of the catheter; the end, close to the urethra, of the urethral catheter is communicated with a first connecting pipe and a second connecting pipe, the first connecting pipe is used for inputting normal saline into the urethral catheter, the second connecting pipe is used for being communicated with the pressure measuring pipe, the first connecting pipe is provided with a second communicating valve, and the second connecting pipe is provided with a second communicating valve. A third communication valve is arranged at the end, away from the end connected with the second connecting pipe, of the pressure measuring pipe, and a connecting assembly connected with the pressure measuring pipe is arranged on the second connecting pipe. The pressure measuring device has the advantages that the pressure of a patient can be conveniently measured, the discomfort of the patient caused by the pressure measuring device is reduced, and meanwhile the pressure measuring device can be conveniently detached.

The present invention provides an antibacterial and anti-sticking latex catheter and a preparation method thereof, which relates to the technical field of medical implant materials. The method comprises the following steps: S1: placing vinyl pyrrolidone, an unsaturated carboxylic acid monomer, and an initiator in a first solvent to obtain polyvinyl pyrrolidone with a carboxyl side chain; S2: placing the polyvinyl pyrrolidone with a carboxyl side chain, an activator, and a catalyst in a second solvent to obtain activated polyvinyl pyrrolidone; S3: placing the antibacterial agent and the activated polyvinyl pyrrolidone in a third solvent to obtain quaternary ammonium salt group-grafted polyvinyl pyrrolidone; S4: performing an activation treatment on latex particles to obtain activated latex particles; S5: placing the quaternary ammonium salt group-grafted polyvinyl pyrrolidone and the activated latex particles in a fourth solvent to obtain antibacterial and anti-sticking latex particles; and S6: melting and extruding the antibacterial and anti-sticking latex particles to form an antibacterial and anti-sticking latex catheter. The hydrophilicity and antibacterial properties of the latex catheter are effectively improved.

The invention discloses an expandable fixing catheter, and belongs to the technical field of medical instruments. The urethral catheter comprises a catheter body, and a urethral catheterization channel and an expansion guide channel which are independent of each other are arranged in the catheter body. A drainage hole communicated with the catheterization channel is formed in the far end of the catheter body, an expansion section which is provided with a closed inner cavity and can expand elastically is arranged on the near side of the drainage hole, and an expansion operation end communicated with the expansion guiding channel and a drainage connector communicated with the catheterization channel are arranged at the near end of the catheter body; a spiral guide rope sleeve and a pulling rope penetrating through the spiral guide rope sleeve are arranged in the inner cavity, a medicine feeding hole communicated with the inner cavity is formed in the outer wall of the expansion section, and an elastic sealing ring of a dynamic sealing structure in axial sliding fit with the pulling rope is arranged in the expansion guide channel. The catheter is stably fixed through traction mechanical expansion, the risk of air bag breakage and leakage is avoided, urethra targeted drug delivery and whole-course anti-leakage sealing are synchronously achieved, the problems that an existing catheter is poor in fixing reliability and prone to infection, and the urethra is prone to being damaged when the catheter is pulled out are solved, and the catheter is suitable for clinical urine indwelling drainage operation.

The application belongs to the technical field of medical catheterization, and particularly relates to a catheterization device for urological nursing, which aims at the problem that the existing catheterization device needs to be disassembled and cleaned after catheterization, and needs manual operation, thereby increasing the workload of medical staff and easily causing the rejection psychology of medical staff, and proposes the following scheme, which comprises: a shell for receiving guided urine, the bottom of the shell is provided with four universal wheels, the four universal wheels are all provided with brake pads, and the side of the shell is provided with a shell cover which is rotatably installed through a hinge. In the case that no catheter is installed, the elastic force of a reset spring enables a sealing plate to drive a semicircular sealing ball to seal a metal pipe, so as to avoid the communication between the urine collecting cylinder and the external air, the urine detection mechanism can play a urine collection early warning role, the inner wall of the urine collecting cylinder can be automatically cleaned, the flushing range is expanded, and the cleaning range of the inner wall of the urine collecting cylinder is improved.

The utility model discloses a convenient-to-use urinary catheterization bag which comprises a lower bag body and an upper bag body arranged at the upper end of the lower bag body, a thick cloth plate is sewn on the surface of one side of the lower bag body, a bandage is sewn on the upper surface of the thick cloth plate, a penetrating piece is fixedly installed at the end, away from the thick cloth plate, of the bandage, and an elastic assembly is sewn on the surface of one side of the lower bag body. A fastening rod penetrates through the interior of the elastic assembly, the bandage is pulled to surround the root of the thigh of the patient, the penetrating piece penetrates through the interior of the elastic assembly, when the bandage penetrates through the elastic assembly along with the penetrating piece, the fastening rod can rotate, and reverse teeth arranged on the surface of the fastening rod can be engaged and fastened with the surface of the bandage; when the bandage is adjusted to a comfortable tightness degree which does not fall off, pulling of the bandage is stopped so that the catheterization cloth bag can be carried about, the catheterization cloth bag is carried and hung at the root of the thigh of a patient, catheterization can be smoother, the size of the cloth bag is small, the urine storage bag cannot be directly seen when the cloth bag is carried about, and it can be guaranteed that the patient can use the catheterization cloth bag conveniently.

The utility model relates to the technical field of medical instruments, and discloses a urine catheterization device for nursing, which comprises a urinary catheter, an expansion mechanism is arranged at one end of the urinary catheter, a corrugated pipe can be extended by pulling a pull ring on a support frame to achieve the effect of container expansion, and when the urine catheterization device is not used, the corrugated pipe can be contracted to reduce the volume of a container, so that the urine catheterization device is convenient to use. A lower fixing seat and an upper fixing seat are installed on one sides of the two supporting frames, the lower fixing seat and the upper fixing seat are rotationally connected through a hinge, and inner fixing seats are slidably installed in the lower fixing seat and the upper fixing seat, so that during use, a pull ring extends out through a first limiting hole and rotates by 90 degrees to achieve connection of the supporting frames and the inner fixing seats; when the pull ring is pulled, the inner fixing seat moves synchronously with the transverse plate, and meanwhile, the inner fixing seat is fixed under the action of a limiting groove and a rubber pad, so that the situation that the corrugated pipe is collided or urine flows back due to natural recovery can be avoided.

The invention relates to the technical field of medical equipment, in particular to an indwelling catheterization monitoring device and an application method thereof. The device comprises a catheter and a urine pressure monitoring assembly, the catheter comprises an in-vivo section and an in-vitro section, the in-vivo section comprises a catheterization channel, an injection channel and a pressure measuring channel which are mutually independent, and the in-vitro section comprises a catheterization connecting pipe, an injection connecting pipe and a pressure measuring connecting pipe which are mutually independent; one end of the catheterization channel is hermetically connected with the catheterization connecting pipe, and the other end is positioned inside the bladder of a patient during use; one end of the injection channel is connected with a balloon, and the other end is hermetically connected with the injection adapter; the pressure measuring channel is used for transmitting pressure information in the bladder of the patient; the urine pressure monitoring assembly comprises a pressure sensor and a first processor, and the pressure sensor is used for detecting the urine pressure value of a patient. The device can monitor the urine pressure value in the bladder of a patient in real time, a urine pressure value change curve is formed in combination with time, the autonomous urination capacity recovery condition of the patient can be analyzed, and then the removal time of the indwelling catheter can be determined conveniently.

The present application belongs to the field of medical material surface functionalization, and particularly relates to a kind of nano drug-loaded hydrogel catheter coating and its preparation method and application.The present application utilizes PLGA to load antibiotic amikacin sulfate AMK or antibacterial peptide FK13-a1, synthesizes nanoparticle NP-AM and nanoparticle NP-FK, prepares NP-AM / FK@OMV nanoparticle complex with EcN OMV as carrier, then adds poloxamer-hyaluronic acid composite hydrogel to obtain NP-AM / FK@OMV-P / H nano drug-loaded hydrogel, and forms coating after coating and drying.The nano drug-loaded hydrogel coating provided by the present application has the characteristics of enzyme response, antibacterial, prevention of biofilm formation and low toxicity, has great application potential in inhibiting medical catheter surface biofilm, and has important significance for preventing and treating CAUTI, prolonging the use time of indwelling catheter, and reducing the discomfort of patients caused by frequent replacement of catheter.

The invention relates to a urinary catheterization device, and belongs to the technical field of daily nursing instruments for urinary patients. Comprising a catheter and a guide cone, the guide cone is arranged in the catheter in a sliding mode, the guide cone comprises a cylindrical section and a conical section, the cylindrical section and the conical section are provided with operation channels which are communicated with each other, the catheter further comprises a driving mechanism, the driving mechanism comprises a driving end and a traction end, the driving end comprises a driving disc and a traction steel wire, and the traction steel wire is connected with the driving disc. The driving disc is arranged on the inner side of the guide cone in a sliding mode, a limiting step is arranged in the operation channel, and the traction end comprises a traction disc. By means of the guiding cone arranged in a sliding mode, the double-fixed driving mechanism and the guiding cone with the elastic recovery capacity, the original guiding function of the catheterization device is kept, the drainage effect can be improved, discomfort cannot be brought to the bladder, convenience is brought to catheterization operation of medical workers, and a patient can receive catheterization operation in a pleasant mode.

1. The name of the design product: urinary catheter. 2. The use of the design product: for urinary catheterization, belonging to medical devices. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model belongs to the technical field of medical instruments, and particularly relates to a urinary surgery nursing leakage-proof urethral catheterization device which comprises a liquid collecting box, a disposable urine receiving bag, a liquid guide hose, a flexible liquid guide hopper, a fixing mechanism and a plastic corrugated pipe. The fixing mechanism is fixed on the liquid collecting box and is used for fixing the liquid collecting box on a bed leg; the disposable urine receiving bag is placed in the liquid collecting box, one end of the liquid guide hose is communicated with the disposable urine receiving bag, the other end of the liquid guide hose is communicated with the bottom end of the plastic corrugated pipe, and the top end of the plastic corrugated pipe is communicated with the flexible liquid guide hopper; the liquid collecting box is fixed on the bed legs through the arranged fixing mechanism, so that a relatively large ground space is not occupied, and the liquid collecting box is not knocked down due to misoperation during movement of medical personnel or a patient, and the stability and the safety are greatly improved; through the arrangement of the flexible convex ring and the urine filtering pipe, the problem that urine is splashed after entering the flexible urine guiding hopper can be avoided, and liquid leakage is avoided.

The catheter with the urine detection function comprises a urine guide head, one end of the urine guide head is connected with a hose, the other end of the hose is connected with a connector, and a liquid outlet is formed in the connector; a urine guide channel is arranged in the hose; a urine detection hole is formed in the urine guide head; a detection channel is arranged in the hose, a detection cavity is formed in the tail end of the detection channel, and detection test paper is arranged in the detection cavity; a first fixing chuck is arranged at one end of the hose, and a first through groove is formed in the first fixing chuck; a rotating chuck is arranged on the hose, and a second through groove is formed in the rotating chuck; a second fixing chuck is arranged on the hose, and a third through groove is formed in the second fixing chuck; the second through groove is communicated with or separated from the third through groove and the first through groove in the rotating process of the rotating chuck; a first air bag surrounding the outer side of the hose is arranged on the rear side of the third chuck. Whether the catheterization head is inserted into the bladder or not is judged by detecting urine, the structure is simple, and operation is easy.

The utility model discloses a visual catheter placement device for a pet hospital, which comprises an observation device, a catheter, a split type expansion tube and a clamping device, and the front end of the observation device is provided with a sleeve; the split-combined type expansion tube comprises two tube bodies with semicircular cross sections, the two tube bodies are movably connected on one edge strip of each tube body, notches are symmetrically cut in the opposite edge strips of each tube body, the two tube bodies are matched to form a round tube when the two tube bodies are combined, and the two notches are matched to form an operation hole. The circular tube and the operation hole are matched with the catheter; the split-combined type expansion tube is movably sleeved on the sleeve, and the clamping device is sleeved outside the split-combined type expansion tube and is used for fixing the split-combined type expansion tube on the sleeve. The operation difficulty of pet catheter catheterization can be reduced, and the catheter catheterization success rate is increased.

The utility model discloses a urine leakage prevention catheterization device, which relates to the technical field of medical instruments and comprises a catheter body, a urine inlet hole is arranged on the outer wall of the top end of the catheter body, a groove is arranged on the outer wall of the catheter body, and an elastic wall is arranged inside the groove and positioned below the urine inlet hole. The inner wall of the interlayer of the catheter body is provided with a liquid inlet channel communicated with the groove, the outer wall of the catheter body is provided with a connecting pipe communicated with the liquid inlet channel, the connecting pipe is provided with a first rotary valve, one side of the catheter body is provided with a liquid injection box, and the lower portion of the outer wall of the liquid injection box is provided with a connector. The elastic wall is arranged in the groove and is consistent with the outer wall of the catheter body, so that the catheter body can be easily inserted into the urethra of the genital organ of a patient, the discomfort of the patient is reduced, water in the groove is increased, the elastic wall is made of high-quality natural latex and liquid, the elastic wall can bulge to form a convex ring, the elastic wall is tightly attached to the urethra wall of the patient, and the urine leakage phenomenon is avoided.

The application discloses cerium oxide nanoparticles, a preparation method and application thereof, and belongs to the field of antibacterial materials of medical devices. 3+ The relative proportion of oxygen vacancies and lattice oxygen in the cerium oxide nanoparticles is 2.0-3.0. The application is applied to the antibacterial aspect of catheters, solves the problem that existing antibacterial materials cannot meet the antibacterial performance and biocompatibility requirements of catheters, and has the characteristics of high sterilization efficiency, low cost, high biological safety and simple preparation method.

The utility model discloses a urinary catheterization device for urinary surgery, and belongs to the technical field of medical assistance. Comprising an insertion pipe and an extension pipe which are detachably connected, and the insertion pipe is sleeved with a lubricating sleeve; a cavity is formed in the lubricating sleeve, and an upper pipe opening and a lower pipe opening which are communicated with the cavity are formed in the upper end and the lower end of the lubricating sleeve respectively. According to the utility model, the insertion tube and the extension tube are detachably connected, so that different specifications of parts can be replaced according to the actual conditions of patients; the lubricating sleeve is arranged, the portion, before being inserted into the urethra, of the insertion tube is coated with lubricating oil, and the pulled-out insertion tube can be preliminarily cleaned.

The invention relates to the technical field of medical instruments, in particular to a needleless sampling type urethral catheterization device. The device comprises a catheter, a metering box and a liquid storage bag, one end of the guide pipe is communicated with the metering box, the metering box is communicated with the liquid storage bag through a through pipe arranged at the bottom, and a first vent hole is formed in the side wall of the metering box; a self-control liquid discharge pipeline communicated with the through pipe is arranged in the metering box, and liquid in the metering box is discharged into the liquid storage bag through the through pipe by the self-control liquid discharge pipeline according to the siphon principle; according to the needleless sampling type urethral catheterization device, the movable part is arranged in the self-control liquid drainage pipeline, acting force generated by flowing of liquid in the self-control liquid drainage pipeline is used for driving the movable part, the movable part is forced to temporarily plug the catheter, and therefore the catheter is not blocked, and the catheter is not blocked. Therefore, liquid discharged into the metering box from the body of a patient is reduced in the siphon state process, and the difference between the amount of liquid discharged for multiple times is reduced.

The utility model relates to the technical field of medical instruments, and discloses a urethral catheterization device with a good fixing effect, which comprises a connecting mechanism, limiting mechanisms are fixedly arranged at the upper end and the lower end of the connecting mechanism, a fixing mechanism is fixedly arranged in the middle of the front end of the connecting mechanism, and the connecting mechanism comprises a connecting block. The two limiting mechanisms comprise fixing boxes, limiting blocks are arranged on the two sides of the interiors of the two fixing boxes in a sliding mode, and the fixing mechanisms comprise hook-and-loop fasteners. According to the catheter fixing device, the whole position of the limiting mechanism can be fixed through the connecting mechanism, a user can conveniently limit the catheter, meanwhile, the catheter can be fixed to the legs of a patient, the catheter fixing device is suitable for patients of different figures, meanwhile, the user can conveniently detach and replace the catheter in the later period, and the use is convenient. Meanwhile, the catheter can be hidden in cooperation with clothes, the attractiveness is improved, the situation that a user goes out for normal life is avoided, and the practicability of the catheter is improved.

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 relates to the technical field of urinary surgery medical treatment, in particular to an automatic monitoring and software regulation and control system of a urinary surgery urethral catheterization device, comprising a multi-parameter monitoring module used for multi-parameter information; an adaptive pressure calibration module for generating a target bladder pressure based on the multi-parameter information; a compliance estimation module for calculating instantaneous compliance; the intelligent regulation and control module is used for generating a closed-loop flushing instruction and / or an alarm signal and a flushing flow curve, and the flushing execution module is controlled by the intelligent regulation and control module and executes corresponding actions; the energy consumption management module is used for executing down-sampling when the continuous monitoring result is stable, and recovering high-frequency sampling in an abnormal trend; and the data tracing module is used for writing the result records of the multiple modules into a database. Through combination of multiple modules, real-time monitoring and automatic regulation and control of multiple parameters are realized, so that the nursing efficiency is improved, a treatment scheme is accurately adjusted, and potential risks caused by manual intervention are reduced.

The application relates to the technical field of medical instrument functional coating, in particular to a temperature-sensitive response type sodium polyacrylate catheter leakage-proof coating, a preparation method and application thereof, and the coating is a three-layer composite structure. A polydopamine modified silane coupling agent system is used in the bottom adhesive layer, silver nanoparticles are contained in the bottom adhesive layer, the thickness of the bottom adhesive layer is 5-15 micrometers, and the bottom adhesive layer ensures strong adhesion and antibiosis. The middle functional layer is a three-dimensional cross-linking degree gradient interpenetrating network polymer which is composed of multiple monomers and nanomaterials, the thickness of the middle functional layer is 50-100 micrometers, the cross-linking degree of the middle functional layer increases from inside to outside, the mechanical property gradient transition is realized, the outer protective layer is composed of a copolymer, the thickness of the outer protective layer is 3-8 micrometers, excellent stain resistance and biocompatibility are provided, the design realizes the cooperation of the functions of the layers, the coating is provided with strong adhesion, gradient mechanical property and surface stability, the sodium polyacrylate component absorbs water and expands to form a seal in urine, and the expansion degree of the sodium polyacrylate component is regulated by the pH value and the ion strength of the urine.

The invention relates to the technical field of medical instruments, in particular to a urinary catheterization device for bladder rehabilitation training of patients with diabetes mellitus and heart failure, which comprises a urinary catheter, a lubricating bag and a pressure bag, the lubricating bag is arranged at the top of the catheter and is filled with lubricating liquid; a lubricating pipe is arranged on the lubricating bag, leads to the periphery of the catheter and is used for supplying lubricating liquid to the periphery of the catheter; the pressure bag is arranged on the catheter and abuts against the lubricating pipe. The pressure bag is configured to expand or contract by adjusting the pressure in the bag in the process that the catheter is inserted into the urethra, and therefore the lubricating pipe is blocked or opened. According to the scheme, the lubricating bag and the pressure bag are arranged at the top end of the catheter, so that when the catheter moves in the urethra, unblocking and blocking of the lubricating pipe can be controlled through the pressure bag, lubricating liquid is supplied to the top of the catheter at any time, resistance borne by the catheter when the catheter moves in the urethra is reduced, and discomfort of a patient is reduced.

The present invention discloses a female self-catheterization assistance device, which includes an upper component and a lower component connected by a pivot shaft. The upper component includes an upper clamping piece and an upper hand-held piece, and the pivot shaft is located between the upper clamping piece and the upper hand-held piece. The lower component includes a lower clamping piece and a lower hand-held piece, and the pivot shaft is located between the lower clamping piece and the lower hand-held piece. The upper hand-held piece and the lower hand-held piece correspond to each other up and down, and the upper clamping piece and the lower clamping piece correspond to each other up and down. The device further includes an observation mirror, which is arranged between the upper clamping piece and the upper hand-held piece. When using the female self-catheterization assistance device to clamp the catheter and insert it into the urethra, the user can observe the positions of the catheter and the urethral orifice through the observation mirror, and can accurately insert the catheter into the urethral orifice without position deviation.