50 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 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.

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 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 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 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.

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 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 utility model provides a urinary catheterization drape for urodynamic examination, which comprises a drape body, the drape body is a cross-shaped arc-shaped block, a through hole is arranged in the middle of the cross-shaped arc-shaped block, an annular boss is arranged between the through hole and the included angle of the cross-shaped arc-shaped block, the included angle of the cross-shaped arc-shaped block is connected with the annular boss through pleats, and the annular boss is connected with the through hole. Any pleat is a fan-shaped pleat composed of dozens of pleats, and the arc length of the end, close to the annular boss, of the fan-shaped pleat is smaller than the arc length of the end, away from the annular boss, of the fan-shaped pleat. According to the hole towel, the hole towel body of the cross-shaped arc-shaped block structure is adopted, the included angle of the cross-shaped arc-shaped block and the inner side of the annular boss are each provided with a pleat design, each pleat is a fan-shaped pleat composed of dozens of pleats, the fan-shaped pleats enable the surface of the hole towel to have good ductility, and the hole towel is suitable for patients of different body types.

The utility model relates to the field of urinary catheterization, and discloses a pediatric urinary catheterization device which comprises a fixing plate, one side of the fixing plate is fixedly connected with a supporting plate, one side of the supporting plate is fixedly connected with a motor, the motor is provided with a fixing assembly capable of strengthening fixation, one side of the fixing plate is provided with an adjuster, and the adjuster is connected with the supporting plate. According to the child leg clamping device, the leg clamping rings are placed on the legs of a child, then the two leg clamping rings move outwards to drive the telescopic ends of the telescopic rods to move outwards to be adjusted to proper positions, and then the connecting plates drive the leg clamping rings to move inwards to be fixed to the legs of the child; the urinary catheterization device can be quickly reinforced and fixed, the operation is simple and quick, the urinary catheterization device can be more stably fixed on the body of a child, the falling risk is reduced, the urinary catheterization device can be adjusted according to the body shape, the flexibility is improved, and the comfort degree is improved.

The utility model discloses a visual catheter guiding device which comprises a visual assembly and a guiding assembly, and the visual assembly is detachably connected with the guiding assembly. When in use, the guiding assembly is placed in the body of a patient according to the information displayed by the visual assembly. The visual assembly is connected with the guiding assembly, so that the guiding assembly has a good visual field when entering the body of a patient, the pain of the patient is relieved, meanwhile, the probability that the guiding assembly enters the body of the patient is increased through the visual assembly, and the catheterization efficiency is improved. The utility model can reduce the economic expenditure of a patient and save medical resources.

The utility model discloses a urinary bladder flushing device, including base, the middle part fixed mounting of base has the stand, the outside slide mounting of stand has the adjusting ring, the outside of adjusting ring is with the middle axis of adjusting ring as the axle annular array formula fixed mounting has the hook, the outside rotation mounting of stand has the support semicircle ring, the support semicircle ring can support infusion tube, through the hook on the adjusting ring with infusion bag hanging, place infusion tube on infusion bag in the inside of support semicircle ring, support semicircle ring to infusion tube and guide, then connect infusion tube with the catheterization tube of patient bladder upper remaining, can prevent infusion tube under the action of gravity and excessively pull catheterization tube to influence patient's discomfort, when needing to adjust infusion's speed, adjust the height of adjusting ring, can accelerate infusion speed under the action of gravity of the liquid in infusion bag inside.

The utility model provides a kind of medical catheter, including catheter body, the catheter body includes base layer, first functional layer and second functional layer, the material of base layer is soft silica gel, first functional layer and second functional layer are sequentially stacked in the outside of base layer, first functional layer and second functional layer are all multilayer structure, first functional layer includes silver nanoparticle polymer composite layer and quaternary ammonium salt modified hydrophilic polymer layer, by the setting of first functional layer and second functional layer, with multiple synergistic antibacterial mechanism, not only can be realized broad-spectrum sterilization by silver ion and copper zinc ion sustained release, quaternary ammonium salt and chitosan can also be effectively inhibited bacterial attachment and biofilm formation, while hydrophilic lubricating layer significantly reduces the friction irritation when using, improve patient comfort, antibiotic slow-release structure provides long-term infection protection, overall substantially reduces catheter-related infection incidence, prolongs the safe use period of catheter body.

The present application relates to the technical field of medical devices, and particularly provides a catheterization device for bladder rehabilitation training of a patient with diabetes combined with heart failure, comprising: a catheter, a lubricating capsule and a pressure capsule; the lubricating capsule is arranged at the top of the catheter and is filled with lubricating liquid; a lubricating pipe is arranged on the lubricating capsule and leads to the outer periphery of the catheter, for supplying lubricating liquid to the outer periphery of the catheter; the pressure capsule is arranged on the catheter and abuts against the lubricating pipe; the pressure capsule is configured to, during the process of inserting the catheter into the urethra, expand or contract by adjusting the pressure in the capsule, so as to block or open the lubricating pipe. According to the scheme of the present application, by arranging the lubricating capsule and the pressure capsule at the top end of the catheter, the opening and blocking of the lubricating pipe can be controlled by the pressure capsule when the catheter moves in the urethra, so as to supply lubricating liquid to the top of the catheter at any time, thereby reducing the resistance of the catheter when moving in the urethra and reducing the discomfort of the patient.

The utility model provides an intermittent urethral catheterization auxiliary device, including placing plate, urinal and urethral catheter, the placing plate is provided with connecting part, the connecting part is connected with the bed body relative position, the placing plate is provided with supporting part and limiting part, the supporting part is used for supporting the urethral catheter, the limiting part is used for limiting and placing the urinal, the supporting part is used for supporting the urethral catheter, and the limiting part is used for limiting and placing the urinal. Through the cooperation of the connecting part, the limiting part and the supporting part of the placing plate, the urinal can be placed on the placing plate and placed on the edge of a patient bed, the catheter can be supported and fixed to be connected with the urinal, and therefore the two hands of medical staff are liberated, the workload of the medical staff is reduced, and the auxiliary function is achieved; and the catheterization nursing efficiency and effect of nurses on different patients are guaranteed.

The urinary catheterization device comprises a protection part and a placement part, the placement part is arranged in the protection part, the placement part is matched with the protection part in a pull-out mode, a limiting part is arranged in the protection part, the limiting part is arranged at the top of the interior of the protection part, the limiting part is matched with the placement part, and the placement part is arranged in the protection part. A fixing piece for fixing the urine bag is arranged on the placing piece, an observation piece for conveniently observing the amount of urine in the urine bag is arranged on the protection piece, an extrusion piece is further arranged on the observation piece, and a winding belt is further arranged on one side of the protection piece. Due to the arrangement of the observation piece, a worker can conveniently observe the amount of urine in the urine bag, if the amount of urine in the urine bag is large, the urine in the urine bag is discharged in time, if the amount of urine in the urine bag is small, the urine can be selectively discharged according to needs, and the labor intensity of the worker is greatly reduced.

The utility model belongs to the technical field of underpants, and particularly relates to detachable lady underpants for indwelling catheterization patients, which comprise an underpants body consisting of a front piece and a rear piece, the lower parts of the front piece and the rear piece are integrally arranged, the two sides of the upper part of the front piece are fixedly connected onto the rear piece through elastic binding belts, an indwelling opening is formed in the front piece, and the indwelling opening is communicated with the indwelling opening. A pipeline fixing piece is arranged on the face, not in contact with the human body, of the front piece, and limiting pieces are evenly distributed on the pipeline fixing piece. According to the utility model, the pipeline fixing piece is adhered to the front piece of the underpants, so that after the underpants are worn, the catheter penetrating through the indwelling opening can be fixed in the limiting clamping hook of the pipeline fixing piece, the catheter is stably and effectively fixed, the catheter is prevented from sliding and falling off, the stability of the catheter in the use process is further improved, and the service life of the catheter is prolonged. Meanwhile, the pipeline fixing piece is connected to the underpants in a bonding mode and can be bent into a needed shape, and the pipeline fixing piece is easy, convenient and fast to use and convenient to use.

The utility model relates to a bladder floating instrument, a storage rod and a floating instrument assembly. 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 bladder floating instrument capable of releasing the suspended medicine in the bladder, after the bladder floating instrument is placed in the bladder, bladder medicine can be released in a timing and quantitative mode for many times according to needs. 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 invention relates to a urine catheterization test sampling flow guide device which comprises a urine catheter, a detector, a connector, a sampling barrel and a plug board, the outer surface of the connector is provided with a fixing piece matched with the plug board in a clamping mode and a plugging board, and the outer surface of the sampling barrel is provided with a sampling hole; the device further comprises a plastic rope, the end of the plastic rope is provided with a urethral catheterization end connected with the end of the urethral catheter in an inserted mode, and the other end of the plastic rope is connected with the bottom of the fixed sampling barrel through an inserting piece. Urine catheterization and sampling are carried out synchronously, urine is prevented from making contact with the outside, the pollution risk is remarkably reduced, and the accuracy of a test result is improved. Urethral catheterization and sampling are completed through the same device, sampling can be completed without disconnecting a catheterization channel, urine is effectively prevented from making contact with the outside, the pollution probability is remarkably reduced, the accuracy of a test result is guaranteed, and the misdiagnosis possibility is reduced; the application of the medical silica gel material and the antibacterial coating reduces the stimulation and damage to the urethral mucosa of the patient and reduces the infection risk.

The multi-gear urethral catheterization structure comprises a guide head, a lotus balloon and a tube body which are sequentially connected, the guide head is connected with a guide wire, and the end, away from the guide head, of the guide wire is connected with an operation device used for controlling the guide wire to move along the tube body; the lotus balloon at least has three states, including an initial state with the curvature larger than zero. And the operating device is at least provided with three gears which can respectively correspond to the three states. The utility model has the advantages that the lotus sacculus is effectively ensured to deform according to a preset shape, and the risk caused by structural shaping is reduced.

The utility model relates to the technical field of urine collection devices, and discloses a urine collection device capable of preventing urine from splashing, which comprises a urine collection bottle, the top end of the urine collection bottle is in threaded connection with a sealing cover, the inside of the sealing cover is in threaded connection with a urine guide assembly, and one end of the urine guide assembly is fixedly connected with a threaded connection pipe. According to the urine collector capable of preventing urine from splashing, through the arrangement of the sealing cover, the urine guide assembly, the threaded connection pipe and the blocking mechanism, when the urine collector is used for collecting urine, the urine is guided into the urine collection bottle through the curved urine guide pipe, a blocking disc blocks urine from splashing during urination, after urination is completed, the blocking disc can catch urine which is not completely discharged, and water absorption paper is used for adsorption; by means of the structure, urine can be guided into a collecting container from a human body, the possibility of splashing is reduced, and meanwhile the situation that the urine drips to the ground and pollutes the environment can be avoided.

The utility model relates to the technical field of urethral catheterization bags, and discloses a pressure-variable speed-controlled urethral catheterization bag which comprises a urethral catheterization bag and a guide tube installed at one end of the urethral catheterization bag, a catheter head is installed at one end of the guide tube, a cleaning component comprises a water tank and a fixed tube installed at the top end of the water tank in a penetrating mode, and a built-in tube is installed at the bottom end of the fixed tube. The handle is held by a hand to place the water tank at the top end of a cabinet on one side of a sickbed, the catheterization bag is hung at the bottom end of the sickbed, the height difference is formed between the water tank and the catheterization bag, the intelligent vacuum pump pumps water in the water tank through the interiors of the guide pipe, the connecting hose, the fixing pipe and the built-in pipe, the guide pipe is coiled on the sickbed, and after the water in the water tank is discharged into the guide pipe, the water tank is connected with the hospital bed. The intelligent vacuum pump and the liquid-proof block are closed, the water in the water tank can be continuously pumped by the guide pipe according to the siphon principle, the inner wall of the guide pipe is continuously cleaned by the water, manual operation is reduced, and manual touch by mistake is avoided.

This invention provides a dual-segment, dual-color pH comparison catheter for clinical identification of premature rupture of membranes, belonging to the field of medical catheter technology. It includes a main catheter tube with a urine segment pH membrane and an amniotic fluid segment pH membrane sequentially arranged along the axial direction on the anterior outer wall of the main tube. The urine segment pH membrane has a color development range of pH 5.5-6.5, and its color change is a continuous gradient from yellow to green. This invention achieves zero-sampling detection under sterile conditions, highly integrating pH identification function into routine catheterization procedures. The pH value of urine and any potentially mixed amniotic fluid is simultaneously detected upon catheter insertion into the bladder, without the need for vaginal speculum, sampling swabs, or any form of secondary sterile opening. This design completely blocks the path of exogenous bacteria into the maternal reproductive tract at a physical level, thereby fundamentally and effectively reducing the incidence of clinically common chorioamnionitis and urinary tract infections, and improving perinatal medical safety and quality.

The present application relates to the technical field of medical device forming control, and specifically discloses an interventional multi-lumen medical catheter precision gas-assisted extrusion forming control system, which realizes real-time acquisition of melt properties, melt process and gas process parameters; constructs a dynamic gas-assisted control mapping table through collaborative optimization based on the acquired parameters; realizes real-time collaborative adjustment of the gas pressures of the outer part and each inner-lumen gas-assisted layer according to the mapping table, and synchronously forms a uniform and isolated multi-layer gas-assisted wrapping flow field at the melt circumferential and internal lumen interface; dynamically adjusts the local flow rate and overall pulling rate of the melt in the die based on the flow field, realizes precision extrusion forming, and realizes online monitoring of product morphology and surface state data; simultaneously with the extrusion forming, adjusts and controls the injection position and atomization distribution of the anti-inflammatory aerosol according to the mapping table and real-time data, so that the anti-inflammatory aerosol is uniformly deposited on the surface of the catheter under the guidance of the multi-layer gas-assisted flow field; and the present application solves the problems of die separation expansion, deformation, rupture and surface burrs in the extrusion of traditional multi-lumen catheters.

The utility model discloses a urinary catheterization device for gynaecology and obstetrics nursing, which is applied to the technical field of gynaecology and obstetrics nursing and comprises a urine storage cup, the top of the urine storage cup is communicated with a connecting pipe in an inserted manner, one end of the connecting pipe far away from the urine storage cup is fixedly communicated with a urinary catheterization rod, and the top of the urinary catheterization rod is adhered with a urine receiving sucker. Arc-shaped clamping rings are connected to the two sides of the urinary catheterization rod in a bolted mode. The arc-shaped clamping ring and the binding belt are bound on the thigh of a patient, and then the urine guide rod is adsorbed and fixed through the urine receiving suction cup. Therefore, a patient or a nurse does not need to support the urethral catheterization opening, the urethral catheter is effectively prevented from falling off, and the installation stability of the urethral catheter is improved. The groove is formed in the urine guide rod, so that urine can normally enter the urine storage cup through the urine guide groove. However, when the urine overflows and flows back, the floating ball can automatically seal the outlet of the urine receiving suction cup through the buoyancy of the urine. Therefore, urine backflow is effectively prevented, and practicability is improved.

The invention discloses an easily-ruptured membrane type total urethral lubrication catheter and a catheter drawing and lubricating method thereof, and relates to the technical field of medical catheterization instruments.The easily-ruptured membrane type total urethral lubrication catheter comprises a catheter body, and a main drainage cavity, an air bag cavity, an air bag and a lubrication channel which are independent of one another and not communicated with one another are arranged in the catheter body; the main drainage cavity, the air bag cavity and the lubricating channel which are mutually independent are arranged in the catheter, the easily-broken membrane is arranged at the front end of the lubricating channel, the small circumferential lubricating holes are formed in the catheter wall, lubricating liquid is injected before catheter drawing to break the easily-broken membrane, residual urine is automatically discharged, liquid injection continues, the lubricating liquid is sprayed out from the small holes in the side wall, and 360-degree even lubrication of the whole urethra is achieved; the device integrates residual urine emptying and extubation lubricating functions, is visual in operation, safe and controllable, can be suitable for all people to use, and remarkably reduces extubation pain, urethra injury and infection risks, and the structure and the method of the device can be widely applied to long-term indwelling and extubation scenes such as a double-J tube and a trachea cannula.

The utility model discloses a urinary catheterization device for female urinary incontinence, which belongs to the field of medical instruments and comprises a urine collector, a urine storage device and a negative pressure suction device, the urine collector consists of a urine absorption pad, a perforated plate, a flow guide plate and a silicon rubber case, and the urine absorption pad, the perforated plate and the flow guide plate are sequentially overlapped and arranged in the silicon rubber case; a plurality of through sieve pores are formed in the porous plate; the perforated plate and the flow guide plate are in tight fit, sealed and clamped connection, a urine collection cavity is formed between the perforated plate and the flow guide plate, the urine collection cavity is communicated with the sieve pores, and the urine collection cavity is provided with a suction connector which is used for penetrating through the silicon rubber case and is communicated with the suction pipe. Urine collected in the female external use urine collector is discharged in time through negative pressure control, large-area moisture absorption and multi-channel guide discharge of the urine collector are utilized, so that the urine is quickly discharged, dry and comfortable use conditions are brought to a patient, and the workload of nursing personnel can be reduced.

The utility model discloses a universal double-umbrella type urine leakage prevention catheter which is characterized by comprising a main catheter body, a urethra umbrella-shaped leakage prevention balloon, an outer edge annular balloon, a first one-way valve water injection opening and a second one-way valve water injection opening. The urethral umbrella-shaped leakage-proof balloon and the outer-edge annular balloon are sequentially arranged in the axial direction of the catheterization main pipe, the urethral umbrella-shaped leakage-proof balloon is connected with the first one-way valve water injection opening, and the outer-edge annular balloon is connected with the second one-way valve water injection opening; an elastic membrane is connected between the outer-edge annular balloon and the catheterization main pipe, the outer-edge annular balloon is connected with a water injection pipe, and the outer-edge annular balloon forms an umbrella-shaped structure after water is injected into the outer-edge annular balloon. The urethral catheterization device is good in stability, convenient to operate and beneficial to solving the problem of urine leakage of middle-aged and elderly patients after urethral catheterization by medical staff.