39 results about "Intravesical pressure" patented technology

Disclosed herein is an attenuation device, comprising a flexible housing and a high vapor pressure media having a vapor pressure approximately equal to the intravesical pressure of the bladder and a permeability of less than 1 ml / day at body temperature through the outer wall of the flexible housing. In one embodiment, the high vapor pressure media comprises perfluorooctylbromide. In another embodiment, the high vapor pressure media comprises perfluorohexane. In yet another embodiment, the high vapor pressure media comprises perfluorodecalin. Also disclosed herein is a method of treating a patient, comprising providing a compressible attenuation device and introducing within the attenuation device at least one high vapor pressure media.

There is provided a urination control device capable of autonomous urination by adjusting the intravesical pressure with the abdominal pressure in starting the urination to prevent urinary incontinence, variously designing the intravesical pressure in opening and closing and gaining the stability and accuracy of the operation while ensuring the control of urination by secure closing and opening operation, and preventing infection and contamination by employing a simple structure and safe constituent materials and being applied to both men and women while improving QOL of the patients. The urination control device of the invention comprises a conduit to be inserted into the urethra, an upstream restraint member located upstream of the conduit and having a through hole, a control member located on the downstream side from the upstream restraint member in the conduit, and a downstream restraint member located on the downstream side from the control member in the conduit, wherein the upper restraint member and control member attract each other with magnetic force, the control member is brought in contact with the opening portion of the through hole in the upstream restraint member at least in the state exerting no fluid pressure on the upstream side so as to block passage of fluid through the upstream restraint member and admit the passage of fluid through the downstream restraint member in the state engaged with the control member.

The invention provides a bladder irrigation and drainage control device, comprising an irrigation component, a drainage component, a catheter and a controller, wherein an irrigation passage and a drainage passage are opened in a tube body of the catheter, the front ends of the drainage passage and the irrigation passage extend to a front side wall of the tube body, and a pressure sensor is arranged in the tube body; the irrigation component comprises an irrigation hose and a first control valve, one end of the irrigation hose is communicated with the irrigation passage of the catheter, and the first control valve is arranged on the irrigation hose; the drainage component comprises a drainage hose and a second control valve, one end of the drainage hose is communicated with the drainage passage of the catheter, and the second control valve is arranged on the drainage hose; and the controller is connected with the pressure sensor, the first control valve and the second control valve through leads, and pressure signals in a bladder acquired by the pressure sensor are transmitted to the controller. The bladder irrigation and drainage control device can flexibly control the flow of an irrigation medium entering the bladder and the flow of urine flowing out of the bladder, thereby facilitating implementation of intelligent control, and meeting treatment requirements of different patients.

The invention discloses a method and a device for reflecting an intra-abdominal pressure by measuring a pressure in the bladder. The method comprises the following steps: 1) emptying liquid in the bladder; 2) measuring the amount of urine generated in the bladder in unit time and obtaining the speed of generating the urine; 3) calculating the time required for accumulating the amount of the urine generated in the bladder to be 50ml and starting timing; 4) after the timing is finished, performing measurement to obtain the bladder pressure and converting the bladder pressure into the intra-abdominal pressure; and 5) repeating the steps to finish periodic measurement. The device comprises a catheter, a urine amount measurement device, a bladder pressure measurement device, a main control board, a display screen and a controller, wherein the catheter is communicated with the urine amount measurement device and the bladder pressure measurement device; the urine amount measurement device comprises a urine discharge electromagnetic valve, a drainage bag and a weighing sensor; and the bladder pressure measurement device comprises a Luer cock valve and a pressure sensor. The device is simple in structure and convenient to operate, relieves the pain of patients and lowers the infection risk of the patients.

The invention relates to a training device for evaluating pressure and volume of a bladder. The training device for evaluating pressure and volume of the bladder comprises a medical trolley, wherein a suspension bottle is arranged at the upper part of the medical trolley, a main guide pipe used for perfusion is arranged on the suspension bottle, and a three-way reversing valve is arranged at the tail end of the main guide pipe; a side panel is arranged at one side of the middle part of the medical trolley, a drip chamber is arranged on the main guide pipe, a clamping device used for clamping the drip chamber is arranged at the upper part of the side panel, and an extrusion mechanism is arranged on the side panel below the clamping device; and a control panel is arranged on the medical trolley below the side panel. The training device for evaluating the pressure and volume of the bladder can be used for continuously and intermittently determining pressure in the bladder, abdominal pressure and detrusor pressure variation and drawing dynamic change of relation between pressure and volume, can detect detrusor hyperreflexia and has a good training effect on neurogenic bladder functional disorder. The training device for evaluating the pressure and volume of the bladder is reasonable in structural design and easy to move, and medical expense can be greatly reduced for a patient, so that burden of the patient is reduced.

Provided are a condensed pyridine derivative having a serotonin 5-HT2C receptor activation action, a prophylactic or therapeutic agent for a lower urinary tract symptom, obesity and / or organ prolapse and the like containing the condensed pyridine derivative, a screening method for a substance that increases leak point pressure upon a rise in the intravesical pressure or a prophylactic or therapeutic drug for stress urinary incontinence, a prophylactic or therapeutic drug for cystoceles or enteroceles, containing a substance that activates serotonin 5-HT2C receptor, and a method of screening for a therapeutic drug for cystoceles or enteroceles, including increasing an intravesical pressure after bilateral transection of the hypogastric nerve and pudendal nerve of an animal, and measuring a closure response in the urethra, the rectum or the vagina observed at that time. A serotonin 5-HT2c receptor activator containing a compound represented by the formula:wherein each symbol is as defined in the specification, or a salt thereof.

The invention discloses a urethral sheath of an ureteroscope. The urethral sheath comprises an insertion part, a urethral sheath wall, a ureteroscope intubation tube, a compressible telescopic tube, an inflation module and a pressure measurement module; the insertion part is fixed at the front end of the urethra sheath wall; one end of the compressible telescopic tube is connected with the rear end of the urethra sheath wall, and the other end is connected with the ureteroscope intubation tube; the ureteroscope intubation tube is used for inserting a ureteroscope from the rear end of the wholeurethral sheath; a pressure measuring module for monitoring the pressure in the bladder is arranged on the insertion part; and the inflation module is arranged on the outer wall of the front end of the urethral sheath wall and used for flexibly fixing the urethral sheath after inflation expansion. The pressure measuring module can detect the pressure in the bladder, the urethral sheath can be prevented from slipping to injure the urethra through the inflation module, the success rate of an operation can be effectively increased, and the risk of serious surgical complications is reduced.

The invention relates to a urodynamic monitoring system and a drainage monitoring control unit thereof. The system comprises a mainboard, a control part, a monitoring main unit of a bearing part and the drainage monitoring control unit; the drainage monitoring control unit is formed by connecting a front drainage pipeline, a monitoring controller, a rear drainage pipeline and a urine storage bag in sequence, and the front drainage pipeline is provided with a first three-way valve capable of being communicated with the atmosphere. Accordingly, by arranging the first three-way valve capable of being communicated with the atmosphere on the front drainage pipeline, by switching the working conditions of the first three-way valve, atmospheric pressure of the position where a bladder is locatedis measured, and an accurate bladder internal pressure value is obtained by subtracting the atmospheric pressure of the position where the bladder is located from urine pressure in a monitoring control cavity; the technical problem that in the prior art, due to the fact that the internal pressure of the ladder cannot be accurately monitored so that bionic urinary continence cannot be achieved, andthe pressure in an abdominal cavity cannot be continuously and dynamically reflected are solved.

The invention relates to a ureteroscope urinary bladder pressure reducing device. The pressure reducing device comprises an outer sheath and an inner core; the inner core is arranged in the outer sheath; the far end of the inner core extends out of the outer sheath; the near end of the inner core is clamped on the end portion of the outer sheath; a telescopic device is arranged at the far end of the outer sheath; a base is arranged at the near end of the outer sheath; a side pipe is arranged on the base; a regulator is connected to the side pipe; a clamping groove is formed in the regulator; the two ends of the telescopic device are closed up towards the middle to form a protrusion when the telescopic device is in a contraction state; the outline face of the protrusion is an arc-shaped face. The ureteroscope urinary bladder pressure reducing device has the advantages that the pressure reducing of the urinary bladder is achieved through the modes that liquid in the urinary bladder is released through the outer sheath, and meanwhile the opening and the closing of a liquid outlet is controlled through the regulator, repeat mirror returning is not needed, and the facts that the pressure in the urinary bladder is too high or the injure of the urinary bladder occurs caused by the continuous increase of the liquid in the urinary bladder are avoided; the inner core controls the contraction and the recovery of the telescopic device, the operation is simple, and the minimally invasive injure is small; the inner core is arranged in the outer sheath in a penetrating mode before and after an operation, dredging and guiding functions are achieved, and the outer sheath can be prevented from being blocked.

The probe for measuring intravesical pressure includes a flexible tubular element of elongated conformation and having a first extremity comprising at least a supply mouth associable with the supply means of a fluid, a second extremity opposite to the first extremity, positionable inside the bladder of a patient along a direction of insertion, and a first sensing element and at least a second sensing element associated with the tubular element in the proximity of the second extremity and adapted to measure the pressure inside the patient's bladder.

The present invention discloses a multifunctional single-guide indwelling urethral catheterization and drainage device. The multifunctional single-guide indwelling urethral catheterization and drainage device comprises a body-entering pipe, the body-entering pipe is internally provided with an air bag, the body-entering pipe is internally provided with an air inflation cavity, a liquid injection cavity, a liquid discharge cavity and a urethral catheterization cavity, one end of the body-entering pipe is provided with an end head, the end head is internally provided with arc-shaped liquid injection cavities and arc-shaped liquid discharge cavities, the other end of the body-entering pipe is connected with a liquid injection pipe, a liquid discharge pipe and an air inflation pipe, a urethralcatheterization pipe is arranged in the urethral catheterization cavity, one end of the urethral catheterization pipe is provided with an inductor, the other end of the urethral catheterization pipeis provided with a urine collection bottle, one end, close to the urine collection bottle, of the urethral catheterization pipe is provided with a side pipe and a urethral catheterization valve, the side pipe is provided with a sealing cover, the air inflation pipe is provided with an air inflation valve, the liquid injection pipe is provided with a liquid injection valve, the liquid discharge pipe is provided with a liquid discharge valve, and an electric wire passes through the side pipe and is connected with the inductor. By adopting the structure, the device improves cleanness during urinedrainage and bladder flushing, at the same time facilitates measurement of core body temperatures, intravesical pressure and urine volume, avoids infection caused by repeated operation and is more convenient to operate and high in practicability.

The invention provides a portable bladder pressure training device which comprises a main pressure training device body and a disposable micturition connection tube. The main pressure training device body comprises a casing, a display screen is arranged on the front face of the casing, a tube connector connected with the pressure detecting catheter is arranged at the top of the casing, a first pressure sensor is arranged in the casing and connected with the tube connector through a pressure detecting tube, a urine collecting tube locating groove is formed in one side of the casing, and a check valve of the urine collecting tube is arranged in the urine collecting tube locating groove. According to the portable bladder pressure training device, the main pressure training device body is matched with the disposable micturition connection tube for use; the urine collecting tube of the disposable micturition connection tube is closed through the main pressure training device body, so that the main pressure training device is communicated with the bladder, pressure in the bladder is detected through the pressure sensor, and urine is stored; after the pressure in the bladder reaches a set value, the urine collecting tube is opened for micturition, and the urine storage and micturition functions of the bladder are repeatedly trained, so that the curative effect is achieved.

The invention belongs to the technical field of medical auxiliary apparatuses and instruments, and discloses a baby auxiliary urination instrument. According to the baby auxiliary urination instrumentand the using method, a pressure gauge is arranged, a connecting catheter is inserted into the center of the lower end of the pressure gauge, and an air bag is adhesively communicated with the lowerend of the connecting catheter. A storage battery is fixedly arranged inside the shell at the lower end of the pressure gauge through a screw. Evenly-distributed led lamps are embedded at the outer edge of the upper surface of the pressure gauge, and the led lamps are electrically connected with the storage battery inside the pressure gauge shell through a pneumatic switch. When the instrument isin use, the air bag is located at the palm side, pressure of fingers are evenly transmitted to the lower abdomen of a baby, meanwhile, pressure inside the air bag is transmitted to the pressure gaugeat the back of the hand through the connecting catheter between fingers, the pressure of the palm is controlled in real time by observing data of a dial plate and the colors of the led lamps, pressureinside the urinary bladder of the baby patient is increased, 60% babies can perform continuous urination within 2 min, the baby urine sample collecting success rate is greatly increased, meanwhile, pressure being 3-6 Kpa is obtained so that baby urination can be triggered, and the phenomenon that a baby feels uncomfortable due to excessively large pressure is avoided.

The invention discloses a dynamic bladder pressure measurement method and system, and relates to the field of medical device monitoring. The pressure measurement system comprises a base, a first guiderod, a heating box and a disinfection box, wherein the first guide rod is slicably provided with an adjusting rod, the top of the adjusting rod is provided with a top plate, and the bottom of the topplate is connected with infusion apparatus; the bottom of the infusion apparatus is provided with an infusion pipe, the heating box is arranged beside the infusion apparatus so as to heat normal saline in the infusion pipe, and the other side on the bottom of the top plate is fixedly provided with a graduated scale and a transparent sleeve with which a pressure measurement pipe is sleeved; a dual-cavity urinary catheter penetrates into the disinfection box, the Y-shaped ends of the dual-cavity urinary catheter are communicated with the infusion pipe and the pressure measurement pipe respectively, the infusion pipe penetrates into the top of the pressure measurement pipe, and the infusion pipe is fixed to a top cover of the disinfection box. During measurement, the height of a water columnin the pressure measurement pipe can be observed, data is obtained according to the graduated scale nearby the pressure measurement pipe, and the data is the pressure value in the bladder. By means of the device, bacterial infection can be avoided, it is ensured that a joint is sterile, and the situation that the temperature of the normal saline is too low, the bladder is irritated, and measurement is affected is prevented.

The invention relates to a bladder function training device. The bladder function training device comprises a pressure detection unit, a signal conversion unit, a biological feedback unit and a dilatation treatment unit, wherein the pressure detection unit comprises a double-cavity catheter and a pressure sensor, the signal conversion unit comprises a signal converter, the biological feedback unit comprises a center processing unit and a display screen, and the dilatation treatment device comprises a power pump, a flow sensor, a flow controller, an alarm, an electromagnetic valve and an electromagnetic valve control circuit. By the adoption of the bladder function training device, functions of detrusor and sphincter can be evaluated accurately, an adjuvant therapy means can be provided for bladder dysfunction patients, pressure change in bladder and urethral sphincter can be measured, the curve representing the relation between pressure and capacity can be drawn, patients can be guide to conduct control training of bladder detrusor and sphincter through images, and relaxation of detrusor or sphincter can be achieved through the dilatation technique so that bladder function can be improved. The bladder function training device is suitable for clinical application and popularization.

The invention discloses an independent urination assistant device and method. By adopting a mode of combining 16-channel electrodes and a plurality of lead electrodes, the device is used for performing target stimulation on T12-L2 of the spinal cord and S2-S3 of spinal sacral nerves, working an electric stimulation signal on corresponding areas of the spinal cord and related sacral nerves to adjust synergistic effect of detrusor-sphincter, so that the intravesical pressure is increased to promote urination when the urine in the urinary bladder reaches a certain amount, and an assisted treatment function on frequent micturition and urinary incontinence can be achieved, and the uplink conduction function of the stimulation signal can be improved to a certain extent; and the device can be used for metering the urine amount in the urinary bladder through an implanted flowmeter and reminding patients to urinate at a proper time according to analysis on the urination amount and preset different thresholds, and discards a monitor mode of directly setting external parameters, thus being humanized and smart.

The invention relates to a precise urine bag with functions of automatically discharging urine and monitoring internal pressure of the bladder. The urine bag comprises a urine collecting device (1) provided with a scale, a urine collecting bag (2) provided with a scale, an arc-shaped siphon liquid outlet channel, a drainage tube, a three-way valve, a transparent hose with a scale, a weight block,a two-way valve, a liquid injection port, a taper connector and a flow stop clip. The following problems are solved that manual urine discharge increases the nursing workload, bladder urine retentionis caused when urination is not conducted for a long time, the infection risk of the urinary tract and bladder is increased, reflux of urine and edema of the renal pelvis can be caused if conditions are serious, even the renal parenchyma is pressed, kidney failure is caused, and the life is threatened; in addition, when the internal pressure of the bladder is measured, it is usually necessary to pull out the taper connector; in this way, the operation is troublesome, the sealing performance of a urethral catheterization system cannot be guaranteed, there are no special consumables and measuring tools, the connection is complicated, and the operation is cumbersome.

The invention discloses a water injection and measurement integrated bedside intravesical pressure measurement instrument. The bedside intravesical pressure measurement instrument comprises a medical tee joint, a liquid delivery tube, a liquid pressure measurement device and an injection device. The liquid delivery tube is connected to one port of the medical tee joint and connected with a conventional catheter, the injection device is arranged at another port of the medical tee joint, and the third port of the medical tee joint is a closed end. The liquid pressure measurement device is arranged at the front end of the injection device and communicated with the same, and a valve on the medical tee joint is used for controlling opening and closing of the injection device and the liquid delivery tube. The bedside intravesical pressure measurement instrument is convenient to use, and possibility of contamination and urinary tract infection in a traditional operation process is avoided; water injection amount can be quantified precisely to reach an optimal water injection quantity required in international guidelines, and measurement results can be more accurate; accurate reading of the measurement results can be realized to guarantee accuracy of the results; the measurement instrument is low in cost, portable, suitable for various medical treatment environments and convenient to popularize.

The invention provides a bladder-pressure measuring system applied to intra-abdominal pressure detection and a measuring method. The bladder-pressure measuring system comprises a liquid feeding devicefeeding liquid in a bladder, a pressure sensing device monitoring pressure in the bladder in real time, a liquid discharging device discharging liquid from the bladder and a control system; the liquid feeding device, the pressure sensing device and the liquid discharging device are in signal connection with the control system. The bladder-pressure measuring system applied to intra-abdominal pressure detection and the measuring method are easy to operate, good in safety and high in measurement accuracy, and workloads of medical workers are greatly reduced.

The present invention provides medicines useful for the prevention or treatment of urinary frequency or incontinence. That is, the present invention relates to a medicine comprising combination of a phenoxyacetic acid derivative represented by the following general formula (I) (wherein R1 represents a hydroxy group or a lower alkoxy group) or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof and an α1 adrenoceptor blocker, which exerts an excellent effect decreasing intra-bladder pressure or prolonging micturition interval and useful for the prevention or treatment of urinary frequency or incontinence.

The invention relates to a noninvasive bladder pressure measuring device and a measuring method thereof. The measuring method comprises the following steps of: (1) connecting the measuring device, and inserting and fixing a pressure sensor probe into a water injection soft valve of a urethral catheter; (2) correcting the pressure value in a water bag to be 0 as a measurement initial pressure value; (3) acquiring the pressure in the bladder in real time, and calculating and predicting urination time in real time through a prediction model; and (4) outputting the predicted urination time, giving an alarm sound or outputting a pressure curve. The invention provides a bladder pressure monitoring device capable of noninvasively predicting the time of catheterization in real time and judging a urination disorder type, and a measuring method of the bladder pressure monitoring device. The bladder pressure monitoring device comprises a bladder pressure visualization system which continuously displays the bladder pressure and displays a time-pressure value in a curve form; and a built-in regression prediction model is used for calculating relative time when safe pressure is achieved, and a timely early warning is given to guide a patient or a caregiver thereof to open the urinary catheter in time, so that urine backflow is avoided.

The invention relates to a drainage pipeline for measuring the temperature, pressure and urine volume. The drainage pipeline is mainly composed of a urine catheter (1), a temperature sensor (2), a temperature measuring wire (16), a temperature measuring plug (17), an adaptor connector (4), a drainage pipeline body (5), a micro-pressure sensor (6), a pressure measuring plug (19), a stop valve (7),a liquid volume measuring window (8) and a urine collection bag (10). The drainage pipeline has the advantages that the temperature sensor, the micro-pressure sensor and the liquid volume monitoring window are integrated in the drainage pipeline body separately and simultaneously, and the drainage pipeline brings great convenience for a user to dynamically and continuously monitor the body temperature, monitor the pressure in the bladder and measure the urine volume for a patient lying in bed.

An intravesical pressure piezometric tube relates to the technical field of intra-abdominal pressure measurement and used for solving the problem that the conventional dual-cavity urinary catheter and piezometric tube are not matched in size and thus cannot be connected. The intravesical pressure piezometric tube comprises a head end, a tail end, a tube body and safe screw caps, wherein the tube body is a transparent hose with scales; each of the two ends of the tube body is provided with one cylindrical safe screw cap with an external thread; the head end and the tail end are respectively arranged on end surfaces of the safe screw caps; the head end is a barrel-shaped plastic part which is conoid as a whole, and comprises a guide part and a cylindrical mounting part; an external thread is arranged on the periphery of the mounting part; the tail end is a cylindrical plastic part; protective sleeves are respectively arranged on the peripheries of the front end and the tail end. The intravesical pressure piezometric tube is simple in structure and convenient to manufacture, can be connected with the dual-cavity urinary catheter conveniently and avoids unnecessary trauma to a patient caused by replacement of the urinary catheter during pressure measurement.

The invention discloses a bladder circulation continuous flushing device. The bladder circulation continuous flushing device comprises a flushing bottle, wherein the flushing bottle is connected witha bottle cap, and a partition plate is arranged in the flushing bottle; the flushing bottle is divided into an upper flowing chamber and a lower flushing area by the partition plate, a soft film is arranged in the lower flushing area, the upper end of the soft film is connected with the partition plate, the lower end of the soft film is connected with the bottom of the flushing bottle, and the lower flushing area is divided into a filtering chamber and a flushing chamber by the soft film; an annular wall is arranged in the upper flowing chamber, the upper flowing chamber is divided into an inner cavity and an outer cavity by the annular wall, and the outer cavity communicates with the flushing chamber; and the upper end of the inner cavity communicates with the bottle opening of the flushing bottle, and the lower end of the inner cavity communicates with the filtering chamber through a filter screen. The bladder circulation continuous flushing device can be used for quickly cleaning the bladder, the use of flushing liquid can be reduced, resources are saved, and the operation time is shortened; meanwhile, the pressure in the bladder cannot be greatly changed, and the wear resistance of a push rod can be improved.

The invention discloses a catheter with a function of detecting intravesical pressure. The catheter comprises a catheter body (1), a transparent hose (2) provided with a scale, a weight block (3), a manual valve (4) ( 41) and a liquid injecting hole (5), and a flushing chamber interface of the catheter body(1) is connected to the manual valve (4), and is connected with the transparent hose (2) provided with the scale to form a communicating device. A conduit of a urine collecting bag is clamped to be closed, the manual valve (4) (41) is opened separately, 25 ml of physiological saline is injected through the liquid injecting hole (5), the manual valve (41) is closed, and the liquid injecting hole (5) is vertically lifted to make the transparent hose (2) naturally hang down. When the uppermargin of the pubic bone of a patient is touched, the manual valve (41) is opened, the corresponding level of a liquid surface is read, and the reading is a measured intravesical pressure value. Compared with existing catheters, the catheter is economical and applicable, can accurately measure the intravesical pressure, is simple to operate, and greatly reduces the workload of nursing.

The invention discloses a multi-purpose catheter system. The multi-purpose catheter system comprises an in-vivo indwelling section, a collecting assembly, a flushing assembly, valve assemblies, a control assembly and a temperature control assembly, wherein the collecting assembly comprises a collecting pipeline and a urine collecting bag which communicate with each other; the flushing assembly comprises a flushing pipeline and a flushing bag which communicate with each other; the in-vivo indwelling section, the collecting pipeline and the flushing pipeline communicate with each other through the valve assemblies; the control assembly comprises a pressure sensor, a controller and a collecting valve, the pressure sensor is used for detecting the pressure of urine in the in-vivo indwelling section, the collecting valve is mounted on the collecting pipeline, and the controller controls the opening and closing of the collecting valve according to the pressure data detected by the pressure sensor; the temperature control assembly can accurately obtain the temperature in the bladder and controls a temperature regulating blanket through the temperature control assembly. For the multi-purpose catheter system provided by the invention, the opening of the collecting valve is controlled according to the pressure of the urine, so that the pressure in the bladder can be accurately maintained, and the recovery and promotion for the function of the bladder are benefited.