221 results about "Urinary catheterization" patented technology

Devices and methods are provided for access to the sub-retinal space that lies between the retina and the choroid in order to introduce therapies to the retina and more specifically to the sensory retina and RPE, particularly in the region of the macula. The devices comprise a catheter that incorporates advantageous size, flexibility and tip features to properly, accurately and atraumatically access the sub-retinal space. Ancillary devices to assist in placing catheters into the sub-retinal space are also provided. The catheter devices incorporate a lumen for delivery of therapeutic substances or devices into the eye.

A urinary catheter assembly is disclosed having a catheter, a sheath enclosing an insertable portion of the catheter, and a free end partially open to allow fluid communication between the lumen of the sheath and an environment outside the sheath.

An indwelling urinary catheter assembly is disclosed having an indwelling catheter and a sheath enclosing an insertable portion of the indwelling catheter.

An indwelling urinary catheter assembly is disclosed having an indwelling catheter and a sheath enclosing an insertable portion of the indwelling catheter.

A urinary catheter assembly is disclosed having a catheter, a sheath enclosing an insertable portion of the catheter, and one or more vents in fluid communication with the lumen of the sheath and an environment outside the sheath.

The invention discloses an automatic urinary catheterization system. Closing of a urinary catheterization tube can be automatically controlled according to changing of urine pressure of a human body, automatic urination is realized, the control precision is high, individual control can be realized according to different patients and the current postures of the patients, and the normal bladder functions of a patient are guaranteed to the great extent. In order to precisely and automatically control an automatic urination process, an initial value processing unit, a signal processing unit, a urination threshold value setting unit, a urination channel control unit and an early warning unit are arranged in a control unit of the system; and moreover, an end of a catheter with an electronic liquid draining valve is connected with an intelligent urine volume measuring unit. The initial value processing unit is used for setting initial values of a pressure sensor unit; the signal processing unit is used for processing signals of an acquired value of the pressure sensor unit; the acquired value is compared with a urination threshold value set in the urination threshold value setting unit; and when the acquired value reaches the urination threshold value, a urination channel is opened by using the urination channel control unit.

The invention discloses an urinary bladder pressure alarm automatic control urine discharging device which comprises an urethral catheter, a switch, an urinary bladder pressure sensor and an in vitro pressure data signal receiving storage alarm, wherein one end of the urethral catheter is provided with an air bag and an urethral catheterization port; the other end of the urethral catheter is provided with an urine discharging port communicated with the urethral catheterization port and an air bag valve communicated with the air bag; the switch is arranged on the urine discharging port and is used for controlling to open and close the urine discharging port; the urinary bladder pressure sensor is arranged on the switch and is used for detecting the pressure in the urinary bladder; and the in vitro pressure data signal receiving storage alarm is used for receiving a pressure signal sent by the urinary bladder pressure sensor and sending alarm information when the pressure signal exceeds a set value. The urinary bladder pressure alarm automatic control urine discharging device is convenient to use. The influence of the retained urethral catheter on the daily life of a patient is greatly reduced. A data signal can also be remotely transmitted to a hospital by the wireless network, so that a doctor analyzes the variation of the bladder function of the patient and provides important reference basis for diagnosis and treatment of diseases.

The invention discloses a urine collecting and checking device for urinary surgery. The device comprises a collecting and checking device body, wherein the right side of the inside of the collecting and checking device body is fixedly provided with a calibrated reagent bottle; the bottom of the collecting and checking device body is provided with a slider track; the slider track is provided with a slider; a rotator is fixed installed on the slider; the top end of the rotator is fixedly provided with a test tube clamp; a calibrated test tube is held by the test tube clamp; the upper left corner of the collecting and checking device is fixedly provided with a roller track; the left side of the inside of the collecting and checking device is fixedly provided with a urine collecting tank; the upper side of the urine collecting tank is connected with a telescopic hose; the upper side of the telescopic hose is connected with a mobile urinary catheterization unit; and both ends of the mobile urinary catheterization unit are provided with rollers. The urine collecting and checking device for urinary surgery has the advantages of reasonable structural design and the like, is simple to operate, and can be widely popularized and used.

The invention discloses a double balloon positioning prostatic capsule expansion and prostatic capsule tissue splitting displacement catheter which comprises a catheter main body; a urinary catheterization cavity, a flushing cavity, a front balloon cavity and a rear balloon cavity are arranged in the catheter main body; the four cavities are provided with front end openings respectively; the front balloon cavity is formed in the rear parts of the front end openings of the urinary catheterization cavity and the flushing cavity; the rear balloon cavity is formed in the rear part of the front balloon cavity in parallel; the front end openings of the urinary catheterization cavity are two holes; the front end opening of the flushing cavity is a single hole; the length of the front balloon cavity is 38 cm; the outside diameter of the front balloon cavity and the rear balloon cavity are 3.2-3.9 cm when the front balloon cavity and the rear balloon cavity are filled up. The catheter is characterized in that the front balloon cavity and the rear balloon cavity are barrel-shaped after being filled up; the length of the front balloon cavity is equal to or larger than that of the rear balloon cavity; the outside diameter of the catheter main body is 0.6-0.8 cm. The catheter has the advantages that the requirement and selection of various hyperplastic prostate treatment can be met, especially the requirements of patients with apex of prostate exceeding verumontanum and external urethral sphincter. The catheter is made of TPU, and has the advantages of being high in pressure resistance, shapable, high in tightness, soft, smooth and transparent.

The invention relates to a urinary catheterization nursing device and belongs to the technical field of medical equipment. The technical scheme of the invention is that: the urinary catheterization nursing device comprises a urine collecting cover, a pressing device and a urine storing box, a left side of the urine collecting cover is provided with an elastic fixing strap, the elastic fixing strap is connected with the urine collecting cover through an elastic strap fixing and connecting buckle, the elastic fixing strap is provided with an elastic strap length regulator, a left side of the pressing device is provided with a pressing and fixing strap, and the pressing and fixing strap is connected with the pressing device through the fixing strap connecting buckle. The urinary catheterization nursing device is convenient to use, can carry out rinsing and drying on genitals of a patient, improves the cleanliness of an organ after the patient urinates, is able to carry out purification cycle processing on urine, simple to operate, time-saving, labor-saving, safe, practical, efficient, scientific and effective, and reduces the working difficulty of medical workers.

The invention provides a metabolic cage of laboratory mice. The metabolic cage of the laboratory mice is used for solving the problem that manure and urine of the laboratory mice can not be completely separated in the prior art. The metabolic cage of the laboratory mice comprises a support, a mouse cage, a separation collecting device, a conical separator, a urine collecting ring and an excrement tube. The mouse cage is fixed on the support, a mesh is arranged on the bottom of the mouse cage, and the separation collecting device is arranged below the mouse cage. The separation collecting device comprises a funnel, and the size of an upper opening of the separation collecting device is matched with the size of the mesh. The lower end of the conical separator is in an opening design. The conical separator is arranged inside the funnel and is coaxial with the funnel, the size of an upper opening of the conical separator is smaller than the size of a lower opening of the conical separator, and the size of the lower opening of the conical separator is larger than the size of the neck portion of the funnel. An annular urine collecting groove is formed in the upper surface of the urine collecting ring, and a lower opening of the funnel is placed in the urine collecting groove. The urine collecting ring is obliquely arranged, a urinary catheterization opening is formed in the lowest end of the urine collecting ring, and a urine tube used for containing urine is arranged below the urinary catheterization opening. The excrement tube is arranged below the funnel and used for containing excrement, a filtering membrane is arranged on the opening portion at the upper end of the urine tube, and the filtering membrane can be used for stopping and preserving the excrement so that the manure and urine separation effect can be made to be more obvious.

The invention provides a PVC ultra-smooth hydrophilic catheter and a preparation method thereof and relates to a catheter used for short-time immediate urinary catheterization of a medical care unit or persons in a family and a preparation method of the catheter. The aim is to provide the PVC ultra-smooth hydrophilic catheter and the preparation method of the PVC ultra-smooth hydrophilic catheter, wherein the PVC ultra-smooth hydrophilic catheter is simple in structure, small in surface friction force and capable of being easily and conveniently inserted in the body of a patient and reliving pain of the patient. The PVC ultra-smooth hydrophilic catheter comprises a catheter body which is provided with at least one urine guiding hole, and a hydrophilic coating is arranged on the outer wall of the catheter body. The preparation method of the PVC ultra-smooth hydrophilic catheter includes the following steps that the catheter body is prepared; coupling treatment is performed on the surface of the PVC catheter; the surface of the PVC catheter is coated with the hydrophilic coating; packaging and sterilizing are performed.

The invention relates to a prostate expansion catheter, in particular to a prostate expansion catheter with a visual precise positioning function. A main body of the prostate expansion catheter is an expansion catheter body provided with a urethral catheterization opening in the front end, and the urethral catheterization opening is communicated with an expansion catheter internal tube; the periphery of the expansion catheter body is sleeved with a fixing bag and an expansion bag in sequence from front to back, wherein the fixing bag is used for fixing the expansion catheter body into the urethra, and the expansion bag is used for expanding the urethra; the periphery of the expansion catheter body is further provided with a positioning sleeve which movably sleeves the expansion bag and can move axially relative to the expansion catheter body; a fixing bag communicating cavity and an expansion bag communicating cavity are formed in the expansion catheter body, wherein the front end of the fixing bag communicating cavity is communicated with the fixing bag, the front end of the expansion bag communicating cavity is communicated with the expansion bag, and the rear end of the fixing bag communicating cavity and the rear end of the expansion bag communicating cavity are communicated with the outside; the urethral catheterization opening is located in the front portion of the fixing bag. Through the prostate expansion catheter, it can be ensured that the expansion bag is located on the prostatic part of the urethra and the expanding length of the expansion bag keeps being precisely matched with the prostatic part of the urethra of a patient, and the prostate expansion catheter can be used as a urine catheter after an operation without secondary intubation.

The invention discloses a catheter comprising a main conduit, the catheter and a urine outlet, wherein the catheter is arranged on the side wall of the top end of the main conduit, and the urine outlet is arranged on the tail end of the main conduit; the top end of the main conduit is positioned on the lower part of a catheterization hole and is provided with an inner fixed air sac; the main conduct is provided with an air sac cavity; one end of the air sac cavity is connected with the inner fixed air sac, and the other end of the air sac cavity forms an independent air sac path port on the tail end of the catheter; the top end of the main conduit is provided with a conducting wire path for inserting a conducting wire; the periphery of the conducting path is provided with bulges which are connected with the side wall of the main conduit and are used for preventing a metal bougie from breaking the catheter; the bulges are positioned on the upper part of the catheterization hole and form a whole with the top end of the main conduit; and the bulge is provided with one or a plurality of grooves for preventing the metal bougie from slipping. The invention has simple structure, reasonable design, perfect function, convenient operation, safe and reliable use, low production cost, good using effect and convenient popularization and use.

The invention aims to provide a segmentation type catheterization urine storage bag. The technical scheme of the segmentation type catheterization urine storage bag includes that the segmentation typecatheterization urine storage bag comprises a catheterization device and a segmentation type urine storage bag, wherein the catheterization device is composed by a catheterization connection tube andthree catheterization diverter valves, each set of urine storage bag is provided with a urine storage inner bag, a hanging ring, a catheterization draft tube, a urine discharging device and a connection belt, the urine discharging device is composed by a urine discharge catheter, a urine sample valve, a urine discharging draft tube, a splash cover and a sample draft tube. The catheterization urine storage bag is arranged in parallel, and then a on-demand structure is formed. The catheterization urine storage bag is simple in structure and convenient in using, the design of segmentation type structure is convenient for users to sample patients' urine, to store patients' urine at different times, and to withdraw from the container which is full of urine at a stage, thus the complete operation and using become more convenient and hygienic, the frequency of changing the patients' catheterization device for users is reduced, and the subsequent treatment and cleaning are convenient.

The invention discloses a medical drainage device matched with a portable urinary catheterization bag, and belongs to the technical field of medical equipment. The medical drainage device comprises a liquid storage bag body, a urine introducing device, a drainage mechanism, a bag hanging device and a liquid discharging valve of a liquid storage bag, wherein the lower part of the liquid storage bag body is provided with a liquid discharging valve connecting pipe; the urine introducing device is communicated the cavity of the liquid storage bag body; the drainage mechanism is connected with the urine introducing device in a matched way; the bag hanging device is combined with the upper part of the liquid storage bag body; the liquid discharging valve of the liquid storage bag is connected with the liquid discharging valve connecting pipe in a matched way. The medical drainage device is characterized by further comprising a catheter, which comprises a catheter body, an air bag, an inflation pipe and an inflation valve, wherein one end of the catheter body forms the guide head part of the catheter, and the other end is provided with a urine collecting duct connection sleeve; the cavity wall of the catheter body is internally provided with an air bag inflation hole, and the tail end of the inflation pipe is provided with an inflation valve adapter; the bag hanging device comprises a sling plate, a hanging strap and a hanging rope; the liquid discharging valve connecting pipe is fixed to the lower part of the liquid storage bag body; the liquid discharging valve of the liquid storage bag comprises a valve base, a valve body and a wrench. The medical drainage device can satisfy packaging requirements and hanging requirements according to needs, and is convenient to operate and good in sealing effect; the phenomenon that the catheter slides out of the bladder does not occur.

The invention discloses a urologic clinical urethral catheterization device which comprises a base. A control switch block is arranged at a corner of the upper surface of the base, an input end of thecontrol switch block is electrically connected with an output end of an external power source, a cleaning fluid tank is arranged on one side of the upper surface of the base, a first barrel cover isconnected with an opening end of the cleaning fluid tank in a threaded manner, a urine recycling tank is arranged on the other side of the upper surface of the base, a second barrel cover is connectedwith an opening end of the urine recycling tank in a threaded manner, a first hose is arranged on the lower portion of the right side surface of the cleaning fluid tank, a water pump is arranged in the middle of the first hose and is fixedly connected with the right side surface of the cleaning fluid tank, an input end of the water pump is electrically connected with an output end of the controlswitch block, and a second hose is arranged on the upper portion of the right side surface of the urine recycling tank. The urologic clinical urethral catheterization device has the advantages that the urologic clinical urethral catheterization device is convenient to use, and has diversified functions and urethral catheterization and irrigation functions; cleaning fluid can be heated, accordingly, the bladders of patients can be prevented from being stimulated by cold cleaning fluid, the urologic clinical urethral catheterization device can be conveniently used by medical staffs, and good nursing effects can be realized by the urologic clinical urethral catheterization device.

The invention relates to a blockage-preventing electric urinary catheterization machine for discharging blood clots in the urethral canal. The blockage-preventing electric urinary catheterization machine comprises a smashing and cutting head and a driving device, wherein the driving device is connected with the smashing and cutting head through a transmission shaft in a urethral catheter; and a negative pressure connector is arranged on the urethral catheter. The blockage-preventing electric urinary catheterization machine disclosed by the invention has the advantages that based on a conventional urethral catheter, the smashing and cutting head is driven by an electric device to cut and smash the blood clots in urine, then the cut and smashed blood clots are discharged out of bodies through negative pressure aspiration, blockage of the urethral catheter by the blood clots can be prevented, the urinary catheterization efficiency is improved, and pain of patients can be alleviated.

The invention discloses an administration urine catheter which comprises a urine catheter body and an administration pipeline. The urine catheter body comprises a urine outlet, a urine guide tube is connected on the urine outlet, a urine inlet is arranged on the urine guide tube, a flushing tube is arranged on the inner side of the urine guide tube, a drug inlet is connectedly arranged on the flushing tube, an adjusting head is connectedly arranged on the drug inlet, a drug bag is connectedly arranged on the outer side of the middle section of the urine guide tube, drug outgoing holes are distributed in the tube wall of the drug bag in an array manner, an injector joint is arranged at the end of the drug bag, and a sealing port is arranged on the injector joint. Compared with the prior art, the administration urine catheter has the advantages that the drug bag is arranged from the far end of a urine catheter water bag to the outer wall of the middle section, and multiple rows of micro-holes are formed around the wall of the drug bag, so that the problem that a patient after urinary catheterization has intolerable pain in the urinary tract, the administration urine catheter can effectively prevent a series of complications, especially suitable for patients needing urinary catheterization for a long time and can feed antibiotics through the drug bag to prevent infection.

The utility model provides a urine catheterization device which comprises a urinary catheter, a drainage tube and an auxiliary sealing element. A urine inlet and a urine outlet are formed in the urinary catheter body. The end, close to the urine inlet, of the urinary catheter body is the inserting end, and the end, close to the urine outlet, of the urinary catheter body is the discharging end. The discharging end of the urinary catheter body is used for being communicated with the connection end at the top end of a drainage tube body, and the tail end of the drainage tube body is communicated with a container for storing urine. The auxiliary sealing element is used for containing the discharging end of the urinary catheter and the connection end of the drainage tube, isolating the discharging end and the connection end from the outside and sealing the discharging end and the connection end. According to the urine catheterization device, the auxiliary sealing element solves the technical problem of pollution to the connection position between the urinary catheter and the drainage tube and can effectively isolate the connection position from the outside and seal the connection position, a urine bag can be replaced conveniently, and the connection position is still in the seal and protection state after the urine bag is replaced again.

The invention relates to an intelligent urinary catheterization device. The device comprises a urinary catheter, a main control device and a urine bag, a section of urine discharging pipe penetrates through the main control device, a circuit board is further arranged in the main control device, and a microprocessor is arranged on the circuit board; the portion, in the main control device, of the urine discharging pipe is provided with a pressure sensor, a flow sensor and an electromagnetic valve which are electrically connected with the microprocessor; after the two ends of the urine discharging pipe extend out of the main control device, the input end of the urine discharging pipe is connected with the urinary catheter, the output end of the urine discharging pipe is connected with the input side of the urine bag, and a liquid discharge valve is arranged on the output side of the urine bag. Compared with a traditional urinary catheter completely depending on manual operation, the aimof self-urination of a patient needing urinary catheter indwelling is achieved, and burdens of family members and medical workers are reduced.

The invention relates to a nonintrusive type urinary catheterization device for males, comprising a clamping ring, an upper semicircular elastic round pipe ring, a lower semicircular elastic round pipe ring, a silicon rubber sealing ring and a urine buffer cavity ball which are mutually connected, wherein a closed ring and a half round-pipe-shaped clamping ring are integrated at one end of the clamping ring, and two symmetrical semicircular-pipe-shaped clamping rings become a round-pipe-shaped clamping ring at the other end of the clamping ring after the two symmetrical semicircular-pipe-shaped clamping rings are closed. The nonintrusive type urinary catheterization device is convenient to urinate for male patients who lie in bed, especially for the male patients who are operated, fractured, disabled or lie or the male old people who lie in bed for long terms, and belongs to the field of human necessities.

The invention discloses an induction urinary catheterization traction tube device which has no impact on urination and has effects of intelligently compressing wound surface traumatic cavity after electro-prostatectomy and laser electrotomy and stopping surgical wound bleeding. A balloon on a tube body automatically squeezes a surgical wound of a patient to prevent continuous bleeding of the surgical wound; an intelligent induction device is linked with a traction box and automatically adjusts the electric traction box according to the number of red blood cells in urine and tightens a tractionpull rope to enable an airbag to compress the wound surface to stop bleeding, so that urethra of the patient is supported effectively, the surgical wound is compressed, the urine is drained and discharged, bleeding is stopped effectively, all defects of conventional rubber strip traction including that pressure cannot be quantified and intelligently adjusted and can only be adjusted according toexperience of nurses and doctors and compression bleeding stopping and rubber strip elasticity coefficient cannot by quantified due to inconvenience in movement and tension loss after movement causedby the fact that one ends of rubber strips are tied on feet of patients are avoided, and rehabilitation and health of the patients are benefitted better.

The invention discloses a medical urinary catheterization nursing device for urinary surgery. The device comprises a box body, an upper end of the box body is provided with an opening, a urethral catheter connector is arranged at the opening, a lower end of the urethral catheter connector is connected with a telescopic pipe, a lower end of the telescopic pipe is provided with a pipeline connector,and a lower end of the pipeline connector is connected with a urine storage box; a hydraulic device is further arranged in the box body, and the hydraulic device comprises a shell, an inner cavity, and a hydraulic rod, wherein the inner cavity is arranged at the shell and filled with oil, and the hydraulic rod is inserted into the inner cavity and extends out of the inner cavity and can move towards the inner cavity under stress; one end of the hydraulic rod outside the inner cavity is connected with the pipeline connector; a piston is provided in the inner cavity, the piston is connected with the hydraulic rod and divides the inner cavity into an upper cavity and a lower cavity, and the shell is also provided with an oil circuit for connecting the upper cavity and the lower cavity, so that oil in the upper cavity and oil in the lower cavity flow with each other; and a reset part for driving the hydraulic rod to move outwards is arranged between the hydraulic rod and the inner cavity.The device can facilitate urine replacement, and at the same time can assist in assisting and help patients urinate.

The invention relates to an external urethral catheterization device for a bedridden patient, belonging to the technical field of medical instruments. The external urethral catheterization device sequentially comprises: a pair of wearing trousers, which are provided with a ring sleeve that sleeves the penis of a patient; a middle fixing tube set, wherein a connecting-in end of the middle fixing tube set is in sealed butt joint with and communication with the ring sleeve, and sleeves the penis of the patient; a urine receiving pot, which allows the glans penis of the patient to extend into and is used for receiving urine, wherein a urine outlet is formed in the lower side of the urine receiving pot, and the urine receiving pot is in sealed butt joint with and communication with a connecting-out end of the middle fixing pipe set; a urine receiving pipe, wherein a funnel is arranged to be a liquid inlet end of the urine receiving pipe, and a plug is arranged to be a liquid outlet end of the urine receiving pipe;" a collecting frame, wherein a plurality of collecting bottles which can selectively communicate with the plug of the urine receiving pipe and are used for collecting urine are arranged on the collecting frame. The external urethral catheterization device can well assist a male patient in urethral catheterization.

The invention relates to a catheter with expansion bags. The catheter comprises a catheter body and the expansion locating bags arranged on the catheter body, and the expansion locating bags surroundthe end of the catheter body in a C-shaped major-arc structure; after the expansion locating bags are filled and expanded, the bag walls of the front ends of the expansion locating bags are flush withor exceed the front end of the end of the catheter body, a catheter cavity of the catheter body is a catheterization channel cavity, and a first catheterization inlet and a second catheterization inlet are formed in the end of the catheter body; the first catheterization inlet is formed in the side wall of the end of the catheter body and located in a C-shaped opening of the expansion locating bags, the second catheterization inlet is located in the front end of the end of the catheter body, the catheter wall of the catheter body is provided with a filling and water-injecting channel cavity,and the filling and water-injecting channel cavity is communicated with the expansion locating bags. The catheter is simple in structure, low in production cost and convenient to operate, and the situation that the bladder mucous membranes are damaged when the front end of the end of the catheter body is stimulated can be effectively avoided; meanwhile, smoothness of catheterization of the catheter body is guaranteed, and the safety of retaining the catheter body for a long term and the patient tolerance are improved.