274 results about "Urethral catheter" patented technology

A storage package (1) contains a medical device (7) having a coated surface (8 ) which exhibits a reduced friction when wetted with a wetting liquid and a supply of the wetting liquid (9). The package is adapted such that the coated surface of the medical device is maintained contact with the supply of wetting liquid during storage. A good shelf-life for the medical device is achieved an where the medical device is a urethral catheter the catheter is immediately “ready-for-use” after the package has been opened.

According to an aspect of the invention, medical devices are provided, which have the following (a) one or more superhydrophobic surface regions, (b) one or more superhydrophilic surface regions having a durometer of at least 40 A, or (c) a combination of one or more superhydrophobic surface regions and one or more superhydrophilic surface regions having a durometer of at least 40 A. Such surfaces are created, for example, to provide reduced resistance to the movement of adjacent materials, including adjacent fluids and solids. Examples of medical device surface regions benefiting from the present invention include, for example, outside and / or inside (luminal) surfaces of the following: vascular catheters, urinary catheters, hydrolyser catheters, guide wires, pullback sheaths, left ventricular assist devices, endoscopes, airway tubes and injection needles, among many other devices.

A method of treating the upper urinary tract of a mammal having a urethra extending to a bladder and a ureter extending from the bladder to a kidney. The method comprises initially extending a catheter system into the upper urinary tract, the catheter system having a urethral catheter infusion tube section extending through the urethra for infusion of a liquid; a urethral catheter drain tube section extending through the urethra for drainage of a liquid; a ureteral catheter tube section extending through a ureter into the kidney and having a first tube portion for infusion of a liquid connected to the urethral catheter infusion tube section, and a second tube portion for drainage of a liquid. The method then includes flowing a therapeutically effective liquid into the kidney through the urethral catheter infusion tube section and the ureteral catheter first, infusion tube portion, and, simultaneously with the flowing of the fluid into the kidney, draining fluid from the kidney through the urethral catheter drain tube section and the ureteral catheter second, drain tube portion.

A method of treating the upper urinary tract of a mammal having a urethra extending to a bladder and a ureter extending from the bladder to a kidney. The method comprises initially extending a catheter system into the upper urinary tract, the catheter system having a urethral catheter infusion tube section extending through the urethra for infusion of a liquid; a urethral catheter drain tube section extending through the urethra for drainage of a liquid; a ureteral catheter tube section extending through a ureter into the kidney and having a first tube portion for infusion of a liquid connected to the urethral catheter infusion tube section, and a second tube portion for drainage of a liquid. The method then includes flowing a therapeutically effective liquid into the kidney through the urethral catheter infusion tube section and the ureteral catheter first, infusion tube portion, and, simultaneously with the flowing of the fluid into the kidney, draining fluid from the kidney through the urethral catheter drain tube section and the ureteral catheter second, drain tube portion.

A catheter assembly suitable for intermittent catheterization comprising a cylindrical casing composed of two telescopically moveable parts one of which is connectable to and moveable with a piston which is rigidly connected to a urinary catheter. The interior of the cylindrical casing is filled with a lubricating, anesthetic, antiseptic liquid, or the like, which during catheterization is injected into the urethra and urinary bladder through the catheter under the effect of movement of the piston simultaneously with the insertion of the catheter into the urethra. The device is provided with an anti-infective cap which is inserted into the first third of the urethra and is used as a guide for inserting the catheter into the urethra without physical contact with the part if the urethra which is a harbor of infections.

A urethral catheter comprises an elongate tubular shaft having an open proximal end, a sealed distal end a single lumen therein that extends between the proximal and distal ends. A proximal portion of the shaft has a first outer diameter and a distal portion of the shaft has a second outer diameter smaller than the first outer diameter. A plurality of openings are provided in the distal shaft portion. The plurality of openings communicate between an outer surface of the shaft and the single lumen and extend longitudinally from a point near the distal end toward the proximal end. The plurality of openings are located along one side of the shaft and are oriented in a common plane that bisects a longitudinal axis of the shaft. The openings most distant from the distal end of the shaft have a diameter that is smaller than that of the openings closest to the distal end of the shaft.

An indwelling catheter for insertion into a patient's urinary tract is provided that includes first and second tubular members that enable drainage of physiological fluids. An inflatable balloon is attached to the second tubular member. The first and second tubular members are interconnected by a connecting tube forming a gap between the first and second tubular members. The connecting tube is in fluid communication with the balloon to enable the balloon to be inflated via the connecting tube. When the balloon is anchored within the urinary bladder the second tubular member is located within the prostatic urethra with one end in close proximity to the sphincter and the other end protruding into the urinary bladder. The first tubular member is located within the penile urethra with one end in close proximity to the sphincter so that the connecting tube traverses the sphincter permitting voluntary control of the sphincter.

A compact ready-to-use urethral catheter assembly suitable for intermittent self-catheterization that comprises a tubular body filled with a therapeutic liquid and having a urinary catheter with a piston portion slidingly installed into the tubular body so that catheterization is accompanied by automatic injection of the therapeutic liquid into the urethra by means of the piston through a gap formed during catheterization between the outer surface of the catheter and the inner walls of the antiseptic cap which is used as a sterile guide for insertion of the catheter without contact with the initial part of the urethra which may be a harbor of infection. The assembly is provided with built-in means for cleaning the urethral meatus before catheterization.

The present invention provides a urethral catheter 200 adapted for anastomosis following radical prostatectomy, comprising an inflated activating balloon 60 adapted for concurrently (i) pressing said-bladder neck 140 to saidurethra stub 120; (ii) effectively stretching suture 90; (iii) activating locks 80 that non-reversibly catch saidsutures 90; and (iv) cutting saiddistal portion thereof.

An indwelling catheter for insertion into a patient's urinary tract is provided that includes first and second tubular members that enable drainage of physiological fluids. An inflatable balloon is attached to the second tubular member. The first and second tubular members are interconnected by a connecting tube forming a gap between the first and second tubular members. The connecting tube is in fluid communication with the balloon to enable the balloon to be inflated via the connecting tube. When the balloon is anchored within the urinary bladder the second tubular member is located within the prostatic urethra with one end in close proximity to the sphincter and the other end protruding into the urinary bladder. The first tubular member is located within the penile urethra with one end in close proximity to the sphincter so that the connecting tube traverses the sphincter permitting voluntary control of the sphincter.

The invention discloses a system and method for monitoring urinary bladder pressure and abdominal pressure, wherein the method for monitoring urinary bladder pressure and abdominal pressure comprises the following steps of: timely acquiring the urinary bladder pressure by a urinary bladder pressure acquiring unit communicated with a urethral catheter, and displaying the urinary bladder pressure; based on the acquired urinary bladder pressure, obtaining the abdominal pressure according to the corresponding relationship between the urinary bladder pressure and the abdominal pressure; and timely displaying the abdominal pressure. The system and method disclosed by the invention can be used for timely acquiring the urinary bladder pressure and obtaining the abdominal pressure according to the corresponding relationship between the urinary bladder pressure and the abdominal pressure, so that the urinary bladder pressure and the abdominal pressure can be timely monitored simultaneously, therefore, the technical problem that the pressure change in the abdominal cavity can not be timely and safely known in the prior art is solved.

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 pressure measurement noninvasive anti-blocking urine guiding device. The pressure measurement noninvasive anti-blocking urine guiding device comprises a catheter, a bladder pressure measurement module, an internal urethral orifice blocking module, a noninvasive air sac module, a diluted liquid injection module, a sterilization module, a urine storage module and an anti-blocking urine guiding module. The pressure measurement noninvasive anti-blocking urine guiding device is delicate and reasonable in structural design, utilizes the negative pressure suction principle, can still drain urine when a few blood clots and other foreign materials are generated inside the bladder, effectively guarantees the urine guiding and drainage effects, and enables a user to visually know the condition of the pressure inside the bladder through the bladder pressure measurement module and know the urine guiding and drainage effects and the circulation condition of a drainage passage in real time when indwelled in a urethral catheter. The noninvasive air sac module wraps the catheter, can achieve the function of negative pressure suction, and can relieve the pain in urethral catheterization. The sterilization module can sterilize the indwelled catheter for long time, largely reduces the occurrence rate of infection caused by the indwelled catheter, guarantees use safety, prolongs the effective indwelling time, reduces the frequency of replacing the urethral catheter, largely saves medical cost and relieves the pain of patients.

A pressure sensing catheter system includes a urethral catheter and a sensor array formed on the urethral catheter. The sensor array includes a plurality of pressure sensors distributed along a length of the urethral catheter. The sensor array is configured to produce a dynamic pressure distribution profile along a urethra.

The invention discloses a novel balloon urethral catheter which comprises a catheter body. The catheter body comprises an inner layer catheter tube and an outer layer wrapping the surface of the inner layer catheter tube, a balloon tube is arranged between the inner layer catheter tube and the outer layer, a balloon filling cavity channel communicated with the balloon tube is formed in the catheter wall of the inner layer catheter tube, the inner layer catheter tube is made of thermoplastic materials, and the outer layer is made of thermosetting materials. The novel balloon urethral catheter is capable of guaranteeing smoothness of a liquid drainage cavity channel and the balloon filling cavity channel, and lowering medical risks when products are used and machining difficulty when the products are machined.

A stent delivery system for the placement of non-expandable stents in the urethra is described. The delivery system is generally composed of a catheter with a stent mounted near the distal end of the catheter. The stent is held in place by a balloon or mechanical mechanism.

A transurethral catheter kit containing a balloon catheter and a syringe assembly adapted for inflation of the balloon, The syringe assembly includes a syringe and a nozzle incorporating a narrow bore proximal to a pressure relief valve. The narrow bore serves to resist the flow of fluid between the syringe and the balloon, thereby avoiding a rapid pressure increase in the balloon that can result in damage to tissues or premature activation of the pressure relief valve. Also provided is a method for correctly placing a transurethral balloon catheter in a patient using the kit.

The invention discloses a ureteral stent device which comprises an ureteral stent tube and an urethral catheter, wherein a pull line of the ureteral stent tube comprises a magnetic adsorption section and an elastic section for ensuring the length of the pull line to be less than the length from the tail part of a stent tube body to an urethral orifice of a patient after the ureteral stent tube is implanted into the body of the patient when the elastic section in a freely expanded state; the elastic section is an elastic silk thread; the elastic section is arranged between the stent tube body and the magnetic adsorption section; the magnetic adsorption section is a silk thread with interrupted iron cores; the urethral catheter comprises an outer sheath and an inner core; the inner core is sleeved in the outer sheath in a slideable mode; the inner surface of the head part of the outer sheath and the outer surface of the inner core are surrounded into a pull line fixing cavity; and a magnetic part is arranged at the position of the inner core, close to the head part of the inner core. Compared with the existing pull line, in the using process of the ureteral stent device provided by the invention, the pull line is totally retained in the body of the patient and cannot be stained by outside dirts, so that the patient cannot be infected by pollution to the pull line and the patient also cannot feel uncomfortable due to a thread end exposed out of the body of the patient.

The invention relates to a disposable urethral catheter for measuring body temperature and abdominal pressure. The disposable urethral catheter for measuring the body temperature and the abdominal pressure is characterized in that one end of a pressure measuring pipe is connected to an eduction pipe behind an eduction port of on end of the urethral catheter, an inner cavity of the pressure measuring pipe is communicated with the inner cavity of the eduction pipe, urine flow direction control devices are arranged on the eduction pipe and the pressure measuring pipe, and a manometer connector connected with a manometer is arranged at the other end of the pressure measuring pipe. The disposable urethral catheter for measuring the body temperature and the abdominal pressure is disposable, simple in structure, low in cost and convenient to use, and solves the problems of body temperature testing, abdominal pressure testing and comparison of the temperature on the body surface and the temperature inside the body when a patient is in surgery or in emergency or when the patient cannot move conveniently are solved. Furthermore, the same urethral catheter can be used for the patient for continually and precisely measuring the body temperature and the abdominal pressure simultaneously, pain of the patient is reduced, and economic burden of the patient can be reduced. A probe of the disposable urethral catheter can continually and precisely measure the body temperature and the abdominal pressure without any external power supply, the precision can ranges from+0.2 DEG C to -0.2 DEG C, and accurate information can be fed back to relevant medical staff in time.

The invention discloses a urethral catheterization device for a urological clinical operation. The device comprises a base and a vertical plate vertically arranged at the right end of the upper surface of the base, a urethral catheterization device body is fixedly arranged on the left side of the vertical plate and made of transparent plastic materials, a support fixedly mounted on the vertical plate is arranged above the urethral catheterization device body, a rotating motor is fixedly mounted on the support, and a cam is fixedly connected on an output shaft of the rotating motor. According to the urethral catheterization device for the urinary surgery clinical operation, catheterization can be conveniently and rapidly implemented in the body of a patient, and the device solves the problems that time and labor are wasted, and urethral catheterization efficiency is low as urethral catheterization is manually implemented by a doctor. Workload of the doctor is relieved, working efficiency is improved, urine in a temporary storage cavity can be prevented from returning into the body of the patient from a urethral catheter, namely, return of the urine in the urethral catheter is avoided, and normal urethral catheterization of people can be guaranteed.

Disclosed herein is a urethral catheter with an anti-infection structure for infants in which, in a state in which a hose is combined with a main pipe in advance, the reinforcement rod is inserted into / released from a urethral insertion pipe through a reinforcement rod inflow and outflow pipe separately formed at one side of the main pipe to prevent leakage of urine. When the reinforcement rod is inserted into the urethral insertion pipe in the combined state of the hose with the urethral insertion pipe and is then released from the urethral insertion pipe, setting of a urine storage bag is completed, thereby shortening a time to install of the urine storage bag, reducing medical staff's trouble, and preventing contamination and infection of a patient and the medical staff due to leakage of urine from the bag to the outside.

A urethral catheter assembly utilizing a removable guide wire for navigating the catheter through a patient's urethral lumen during the insertion procedure. The guide wire being very flexible and having a low coefficient of friction, thus reducing the likelihood of injuring or puncturing the urethra during insertion. The guide wire extends beyond the distal end of the catheter assembly to ensure that the flexible tip of the guide wire is the first contact point between the catheter assembly and the urethral lumen. In one embodiment, the guide wire extends beyond the proximal end of the catheter assembly and is adapted to be handled by a medical doctor to manually maneuver the guide wire through the urethra.

The invention provides a urethral catheter pressure switch device for exercising micturition ability of a patient. The urethral catheter pressure switch device comprises a housing and a lower sealing body, wherein the inside of the housing is a storage cavity for temporarily stored urine, and the upper portion of the housing is an upper connecting port communicated with the storage cavity. A lower connecting port for discharging the urine is formed in the tail end of the lower sealing body. The urethral catheter pressure switch device is characterized in that a sealing plate for plugging the storage cavity and a pressure regulating switch for regulating the storage cavity sealing strength of the sealing plate are arranged on the housing, and the sealing plate is rotatably arranged on the housing through a fixing shaft. The sealing plate is arranged on one side of the fixing shat, a force exerting portion is arranged on the other side of the fixing shaft, and the pressure regulating switch is connected with the force exerting portion through a spring. The urethral catheter pressure switch device is connected to the output end of the urethral catheter of the patient, the micturition ability of the patient can be exercised by changing the position of the pressure regulating switch step by step, quick rehabilitation of the micturition ability of the patient is facilitated, repeated insertion of the urethral catheter is avoided, and the urethral catheter pressure switch device is simple and reasonable in structure, has outstanding advantages and is convenient to apply and popularize.

An electric pulse stimulation bladder function recovery training aid comprises a medicine bottle, a filling pump, a four-way pipe and a single chip microcomputer control device. The medicine bottle is communicated with the filling pump through a catheter, an outlet of the filling pump is communicated with a first branch of the four-way pipe, a second branch of the four-way pipe is communicated with an air bag urethral catheter used for being connected with the bladder part of a patient, a third branch of the four-way pipe is communicated with a drainage pack through the air bag urethral catheter, a fourth branch of the four-way pipe is provided with a sealing end of a pressure sensor and an electromagnetic valve is arranged on the air bag urethral catheter connected with the drainage pack. The electric pulse stimulation bladder function recovery training aid further comprises an output electrode and an electric pulse generation device connected with the bladder part of the patient, and the single chip microcomputer control device is connected with the electric pulse generation device, the electromagnetic valve and the filling pump through signals. By means of the electric pulse stimulation bladder function recovery training aid, the conditions of the patient can be estimated in real time, individualized, scientific and standardized training can be conducted on the patient, bladder function recovery of the patient is facilitated, the labor intensity of medical staff and patient family members is relieved, early removing of the urethral catheter of the patient is facilitated, and urinary tract infection and other complications are reduced.

The invention provides a reuse-prevented disposable urethral catheter based on urology surgery and relates to the technical field of equipment for the urology surgery. The problem that a urethral catheter has no corresponding marks to prove primary use, this defect is extremely easily used by illegal businessmen, used urethral catheters are flushed and then are subjected to secondary distribution,and disease propagation and cross infection are extremely easily caused is solved. The reuse-prevented disposable urethral catheter based on the urology surgery comprises a urethral catheter, whereinthe head end of the urethral catheter is connected with a urine guiding end, a flushing end and a medicine injection end separately, and the urine guiding end part is in sealed socket joint with a urine bag plug. During withdrawing, the urine guiding end at the right side of an arc-shaped bulge region is completely cut off by a cutting edge end of a cutter, and the urine guiding end of the urethral catheter cannot be continued in service, so that the disposable urethral catheter is prevented from being reused by other people, and the occurrence of cross infection circumstances is avoided.

The invention provides a sterile bladder irrigator, which comprises a medical three-way valve, a urethral catheter, a liquid conveying tube and a drainage tube, wherein the urethral catheter, the liquid conveying tube and the drainage tube are connected with three connectors of the three-way valve; one connector of the three-way valve is an outer conical joint; the other two connectors of the three-way valve are inner conical connectors; the urethral catheter, the liquid conveying tube and the drainage tube are connected with the three connectors of the three-way valve through being tightly screwed via screw caps; the liquid conveying tube is used for feeding a flushing solution into the three-way valve from a liquid conveying bottle; the urethral catheter is used for feeding the flushing solution from the three-way valve into the bladder of a human body or guiding liquid in the bladder out of the human body; and the drainage tube is used for discharging out the solution from the urethral catheter. The urethral catheter, the liquid conveying tube and the drainage tube are connected with three connectors of the three-way valve through being tightly screwed via the screw caps, so that good sealing performance is guaranteed; in the whole operation process, the solution is not in contact with outside; the sterile operation is realized; the cleanness of the flushing solution is guaranteed; no fungal infection risk exists; and the use is safe and reliable.

The invention discloses a simple urine leakage prevention water bag valve urethral catheter, which belongs to a medical instrument. According to the urethral catheter, a circle of skirt-shaped valve is newly and additionally arranged above a common water bag urethral catheter water bag to realize leakage prevention. The skirt-shaped valve is shrunk and attached to the urethral catheter water bag part at a production stage by means of a special process or adhesion action; after the urethral catheter is determined to enter the bladder in use, water is injected from a water injection port of the water bag, and the skirt-shaped valve is expanded along with water injection of the water bag to be opened and be separated from the original water bag; the skirt valve is attached to the neck of the bladder by means of pressure of the water bag and internal pressure of the bladder just like a piece of thin film covering the water outlet; no matter whether the urethral catheter is closely attached to the urethra, the skirt valve has a seepage blocking effect on the neck of the bladder; and even if the bladder of a patient is actively or non-actively (stimulated) shrunk, the valve is more closely pressed around the neck of the bladder when the pressure of the bladder increases, no dead space exists, the seepage of urine around the urethral catheter can be effectively prevented, and reverse infection is prevented. The urethral catheter is easy and convenient to operate; and compared with the conventional urine catheterization, the workload is not increased.

The invention discloses an automatic adjusting device for bladder irrigation of a hematuria patient. The automatic adjusting device comprises an irrigation fluid bottle, a three-cavity urethral catheter, a single chip microcomputer, a WIFI communication module and an upper computer, wherein an Murphy dropper and a peristaltic pump are arranged on an irrigation fluid tube; an infrared tube pair is arranged on the Murphy dropper, a color sensor is arranged on a flushing-out fluid tube, a pressure sensor is arranged on the bottom in the irrigation fluid bottle, and the pressure sensor is connected with the single chip microcomputer through an external amplifier and an A / D converter; a wrapping type heat preservation layer, a temperature sensor and a miniature heating plate are arranged at the tube section, close to the other end of the irrigation fluid tube, and the temperature sensor feeds back the monitored temperature to the single chip microcomputer for controlling the state of the miniature heating plate in real time; all the pressure sensor, the infrared tube pair, the peristaltic pump, the temperature sensor and the miniature heating plate are connected with the single chip microcomputer; data transmission is carried out between the single-chip microcomputer and the upper computer through the WIFI communication module. With the adoption of the technical scheme, the workload of nursing staff can be reduced, the irrigation efficiency can be improved, and the irrigation safety can be guaranteed.

The disclosure provides an incontinence prevention device provided with a loop type retention structure. The retention structure is in the form of a closed loop attached to the distal end of a shaft. The shaft is configured to function as an incontinence prevention device. The retention structure projecting laterally from and configured non-concentrically along the longitudinal axis of the shaft retains the incontinence prevention device within the patient. The retention structure may additionally include a protuberance extending therefrom. There is further provided a method for using the urethral catheter.

The invention discloses an automatic urinary sediment rinsing machine with a negative pressure decompression protection function. The machine comprises an automatic rinsing component and an automaticflow guide component. The automatic rinsing component comprises a solution bottle or a solution bag which is filled with rinsing fluid and a peristaltic pump which provides power, and the peristalticpump and the solution bottle or the solution bag are connected through a rinsing pipe component; the automatic flow guide component comprises a fluid collection device which is used for containing waste fluid and a flow guide pipe component which is matched with the fluid collection device; the rinsing pipe component and the flow guide pipe component are communicated with a urinary catheterizationcomponent through a tee coupling. A negative pressure decompression valve which conducts decompression protection on negative pressure in the fluid collection device is arranged on the negative pressure pump. According to the automatic urinary sediment rinsing machine with the negative pressure decompression protection function, the whole ringing process is automatically conducted by the machine,manual operation is not needed, the pouring pressure of the rinsing fluid is constant, and the clinical working intensity is low; a catheter is not needed to be subjected to any operation in the whole rinsing process, a urethral catheter cannot be shifted, and the rinsing fluid or waste fluid cannot overflow in the rinsing process.