96 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.

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 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 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 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 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 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.

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 invention discloses special urine collecting and cleaning equipment for female labial surgery, and relates to the technical field of urine collection. The special urine collecting and cleaning equipment comprises a wearing part, a urine cup, a placement frame and a controller, the urine cup is clamped on the wearing part, the placement frame is movably arranged on one side of the wearing part, the controller is located on the placement frame, and the special urine collecting and cleaning equipment further comprises a fixing part, a urine collecting device and a cleaning device. The fixing piece is detachably arranged on the wearing piece and limits the urine cup, and the urine collecting device and the cleaning device are both arranged on the placing frame and connected with the urine cup. According to the special urine collecting and cleaning equipment after the female labial surgery, a patient can urinate conveniently, a catheter does not need to be inserted, urethra infection and operation area pollution caused by urine are avoided, and the wearing piece, the fixing band and the urine cup can be put on and taken off conveniently.

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 discloses a urine bag with an anti-bending bag mouth, which relates to the technical field of urine bags, and comprises a urine bag main body, the top of the urine bag main body is fixedly connected with a first hook, the side wall of the urine bag main body is fixedly connected with a second hook, and the end part of the urine bag main body is provided with a connecting bag mouth. When auxiliary treatment is carried out on a clinical catheterization patient through the urine bag, in order to improve the supporting requirement of a bag opening of the urine bag when urine is collected and prevent the situation that the bag opening of the urine bag is soft, the bag opening is squeezed, a catheter is bent, and the catheterization effect on the catheterization patient is reduced, the urine bag can be used when the catheterization bag needs to be used; through the arrangement of the first through hole, the slipknot ribbon is inserted into the connecting cavity in the bag opening, and the head of the slipknot ribbon penetrates out of the second through hole and is in self-locking connection with the tail of the slipknot ribbon, so that the effect of effectively supporting the bag opening is achieved, and the effects of preventing the bag opening from loosening and collapsing and reducing bending and extrusion of the ureter are achieved.

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.