30 results about "Urinary stent" patented technology

A system and related methods for maintaining the patentcy of the ureter comprising a pusher tube having a pusher tube lumen and an inflate lumen disposed within a wall of the pusher tube and a urinary stent having a proximal and distal portions with an elongated body portion therebetween configured to fit the ureter of the patient and defining a lumen. The system further includes an end-effector that may comprise an inflatable balloon positioned at the proximal portion of the urinary stent for retaining the proximal portion in the urinary bladder. At the distal portion, a retention end-piece is positioned for retaining the distal portion of the stent in the renal pelvis. The end-effector and the retention end-piece of the stent maintain the elongated body portion in situ. The end-effector may also include an inflatable balloon and may contain pharmaceutical or biologic agents for controlled release into the bladder.

A partial-length catheter, or an extendable tube or sleeve member of the catheter, is selectively movable within the prostatic urethra to open a urine drainage passageway through and obstructed portion of the prostatic urethra or to open the external urinary sphincter muscle and thereby discharge urine from the bladder. A control element is manipulated at a position exterior of the urinary canal to selectively move the catheter or the extendable tube or sleeve member, thereby selectively controlling urine discharge. The catheter may also be used to diagnose urinary retention problems caused by a weak bladder or a prostatic obstruction.

A system and related methods for maintaining the patentcy of the ureter comprising a pusher tube having a pusher tube lumen and an inflate lumen disposed within a wall of the pusher tube and a urinary stent having a proximal and distal portions with an elongated body portion therebetween configured to fit the ureter of the patient and defining a lumen. The system further includes an end-effector that may comprise an inflatable balloon positioned at the proximal portion of the urinary stent for retaining the proximal portion in the urinary bladder. At the distal portion, a retention end-piece is positioned for retaining the distal portion of the stent in the renal pelvis. The end-effector and the retention end-piece of the stent maintain the elongated body portion in situ. The end-effector may also include an inflatable balloon and may contain pharmaceutical or biologic agents for controlled release into the bladder.

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 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.

Discloses a novel synergistic herbal composition comprising combination of therapeutically effective amount of Vrun bhavit, Kadalikshar, Apamargkshar, Yavkshar and optionally Gomutrakshar along with pharmaceutical acceptable additives, useful for the treatment of kidney stone and other urinary disorders like inflammation and urinary stent related problems.

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 discloses an urological clinical catheterization device. The device comprises a frame and an urine storage bag, the bottom of an inner wall of the frame is provided with a driving motor,an output end of the driving motor is fixedly connected with a pinion, the surface of the pinion is meshed with a large gear, the center of the large gear is fixedly connected with a rotating shaft,the top of the rotating shaft is fixedly connected with a turntable, fixing grooves are formed in the surface of the turntable equidistantly, first clamping grooves are formed in opposite two sides ofthe inner walls of the fixing grooves, and the inner walls of the first clamping grooves are slidably connected with first clamping blocks. The invention relates to the technical field of medical instruments. The urological clinical catheterization device solves the problems that a current catheterization device is composed of a catheter and a urine storage bag, has a simpler structure, requiresmedical personnel to replace the urine storage bag at regular intervals, is cumbersome to operate and easily causes leakage during replacing, and if the replacement is not timely, discomfort is easilycaused to a patient.

Stents are used in combination with a paclitaxel derivative in order to inhibit scarring that may otherwise occur when the implant is placed within an animal. Suitable implants include vascular stents, esophageal stents, tracheal or bronchial stents, gastrointestinal stents, genital-urinary stents, nasal and sinus stents, and ENT stents.

The invention discloses a multifunctional drainage device for urinary surgery postoperation. The multifunctional drainage device comprises a base, the base comprises a first placing groove, a second placing groove, a fourth placing groove and a third placing groove, the first placing groove, the second placing groove and the third placing groove are distributed in a regular triangle shape, a container is placed in the first placing groove, the upper end of the container is provided with a container cover, the right end of the upper surface of the container cover is provided with a pipe opening, a catheter is connected to the pipe opening in a clamping mode, the upper end of the side face of the catheter is provided with a disinfection pipe, the disinfection pipe is of an L-shaped structure, an upper end opening of the disinfection pipe is provided with a plug, and a trash can is placed in the second placing groove. The multifunctional drainage device for urinary surgery postoperation is simple in structure, and can timely disinfect the catheter to prevent a patient from being infected, the base can prevent the device from toppling, and improve safety of using, meanwhile test paper can be adopted to check urine of the patient, the trash can of the device can collect trash, and the device is diversified in functions and convenient to use.

The invention discloses a portable urinary catheterization device which comprises a urine storage bag, a first urinary catheterization tube, a second urinary catheterization tube, a urine leading tubeand a urine delivery tube. The upper portion of the urine storage bag is fixedly connected with the first urinary catheterization tube by a urinary catheterization opening, the other end of the firsturinary catheterization tube is detachably connected with the urine leading tube by a first connector, a first binding band is slidably connected with the outer surface of the first urinary catheterization tube by a slide ring, and a second binding band is slidably connected with the outer surface of the second urinary catheterization tube by a slide ring. The portable urinary catheterization device has the advantages that the first binding band and the second binding band are slidably connected with the surfaces of the outer sides of the first urinary catheterization tube and the second urinary catheterization tube by the slide rings, hook-and-loop tapes are arranged at the tail ends of the first binding band and the second binding band, accordingly, the first binding band can be bound on the waist of a user, the second binding band can be bound on the leg of the user, and the portable urinary catheterization device can be conveniently carried when the user goes out; the first urinary catheterization tube and the second urinary catheterization tube are rigid straight tubes, the urine leading tube and the urine delivery tube are bendable flexible tubes, and accordingly the portable urinary catheterization device can be conveniently carried; the portable urinary catheterization device is simple in structure, convenient to operate and high in applicability.

A urinary stent includes ends for deployment in the kidney and bladder, respectively, that are non-coplanar. The bladder end of the stent includes a luminary groove, covered by a sleeve of materials softer than the remainder of the stent, allowing urine at sufficient pressures to pass out from the stent, between the stent and the sleeve. The bladder end of the stent adapts its shape according to respiratory changes in the length of the stent. This shape change also prevents or reduces stent related pain.

The present disclosure provides compositions and methods to prevent or reduce the encrustation of medical devices inserted in the urinary tract, such as a urinary stents (e.g., JJ stents). The reduction or prevention can result in an improvement in the quality of life of the patient by, e.g., reducing pain and / or tissue damage caused during the removal of an encrusted device.

The application discloses a urine collecting device. The urine collecting device is placed at a position of an excrement hole of a pressure sore prevention air mattress. A foam mat, a urine receivingpot and a grid support are sequentially piled from bottom to top, wherein an urine guiding hole is formed in the bottom of the foam mat, and is connected with the urine receiving pot through an urethral catheter; the cross section of the grid support is in the shape of an arch bridge, one end of the cross section is an arch, and the other end of the cross section is rectangular; a rectangular large-grid urine leaking hole is formed in the middle position of the grid support; small-grid urine leaking holes are formed in the periphery of the large-grid urine leaking hole; the hole diameter of the large-grid urine leaking hole is greater than that of the small-grid urine leaking holes; a strip urine blocking plate is arranged at the rectangular end of the grid support; two groups of wave-shaped blocking dams are symmetrically arranged in the length direction of the urine blocking plate; and an urination opening is formed in the middle position of the two groups of the blocking dams, and is located above the large-grid urine leaking hole. According to the urine collecting device disclosed by the application, the buttocks of a body are supported by the grid support adopting a high-strength mesh structure which is manufactured by high-tech composite materials and used in the middle part of the air cushion, so that urine can quickly leak in time through mesh holes to maintain the dryness of the grid surface.

The invention discloses a catheter with a medicine device. The catheter comprises a catheter body and the medicine device, an arc insertion part is arranged at one end of the catheter, and a hose is inserted in the other end of the catheter body; a first through hole communicated with the interior of the catheter body is formed in the arc insertion part, a closed spherical airbag sleeves the portion, close to the arc insertion part, of the exterior of the catheter body, and a first channel communicated with the spherical airbag is formed in the catheter wall of the catheter body. The catheterhas a good fixing effect, the bladder part of a patient can also be cooled, and the scorching discomfort of the patient is eliminated; meanwhile, medicine liquid containing anesthetic medicine and anti-inflammation and anti-immunoreaction medicine is slowly conveyed to the bladder part and urethra part of the patient for a long time, the catheter helps the patient to relieve the pain feeling of the bladder part and urethra part, the medicine device can be conveniently disassembled and can be recycled, the treatment cost is effectively lowered, and the catheter is worthy of popularization.

The invention discloses a urethral catheter and a ureteral stent device comprising the same, which are used for leading out a pull wire of a ureteral stent tube in the body of a patient. The urethral catheter comprises an outer sheath and an inner core slidably sleeved in the outer sheath, the inner surface of the head of the outer sheath and the outer surface of the head of the inner core enclose a pull wire fixing cavity, and a magnetic portion is arranged at a position close to the head of the inner core. When the urethral catheter is used for leading out the pull wire, the urethral catheter is fed into an anterior urethra by means of conventionally indwelling the urethral catheter, the pull wire is embedded into the pull wire fixing cavity by pulling the inner core backwards after the magnetic portion sucks the pull wire, the urethral catheter is integrally pulled outwards, and then the pull wire can be smoothly led out of a urethral orifice. The position of the pull wire is determined by the aid of the magnetic portion, the pull wire is clamped and led out by means of coordination of the inner core and the outer sheath, and the pull wire can be led out of the body of the patient by means of simple operation.

The invention relates to a urinary stent. The urinary system stent comprises a stent body and a cleaning robot, and the cleaning robot is slidably connected with the support body and can reciprocate along the surface of the support body to physically clean the surface of the support body. According to the urinary stent, by means of surface physical cleaning operation formed in the process that the cleaning robot reciprocates along the stent body, calculi formed on the surface of the stent body can be effectively removed, blockage of the calculi to the stent body is avoided, and it is guaranteed that the urinary system stent can effectively and stably work for a long time in the body of a postoperative patient.

The invention belongs to the technical field of medical devices, and relates to a memory alloy esophageal stent with a uniform nano-copper sulfide film with high-efficiency photothermal physiotherapy function and a preparation method thereof. The stent reduces dopamine under alkaline conditions to obtain a polydopamine-coated memory alloy The scaffold is prepared by the method of in-situ growth of copper sulfide by polydopamine efficiently adsorbing copper ions under heating conditions. The method of the present invention adopts a unique method of in-situ growing nano-CuS particles on the surface of the support. The nano-CuS material is safe and non-toxic, and the growth process is simple and fast; the light-to-heat conversion is efficient and can be used repeatedly; the present invention can be used in various shapes and Other types of nickel-titanium alloy stents, such as biliary stents, intestinal stents, urinary tract stents, and tracheal stents.

The invention relates to a pulling-out device for a urine conveying support pipe. The pulling-out device comprises a hollow sleeve and a rigid connecting wire for hanging and taking the urine conveying support pipe. An opening is formed in one end of the sleeve; a first through hole and a second through hole are formed in one end, far away from the opening, of the sleeve; the first through hole and the second through hole are formed at intervals; the connecting wire comprises a main body part and two free ends arranged at the two ends of the main body part. The two free ends respectively penetrate into the sleeve from the first through hole and the second through hole and penetrate out of the opening; the two free ends move in the direction close to the first through hole and the second through hole, and the end, away from the free ends, of the main body part arches towards the outer side wall of the sleeve to form a sleeving part for hanging and taking the urine conveying support pipe. The pulling-out device for the urine conveying support pipe has the advantages of being simple in structure, low in manufacturing cost, easy and convenient to operate, high in operation efficiency and low in operation risk.

A coated and / or impregnated urinary catheter or urinary stent device includes: (a) a proximal portion, and (b) a distal portion. The distal portion comprises: a retention portion that includes at least one protected drainage hole(s), port(s) or perforation(s) and is configured to establish an outer periphery or protective surface area that inhibits mucosal tissue from occluding the at least one protected drainage hole(s), port(s) or perforation(s) upon application of negative pressure through the catheter; and at least one coating(s) upon and / or at least one impregnation(s) within at least a portion of the protective surface area, the at least one coating(s) and / or at least one impregnation(s) including at least one of lubricant(s), antimicrobial material(s), pH buffer(s) or anti-inflammatory material(s).

A urinary stent includes ends for deployment in the kidney and bladder, respectively, that are non-coplanar. The bladder end of the stent includes a luminary groove, covered by a sleeve of materials softer than the remainder of the stent, allowing urine at sufficient pressures to pass out from the stent, between the stent and the sleeve. The bladder end of the stent adapts its shape according to respiratory changes in the length of the stent. This shape change also prevents or reduces stent related pain.

This document describes a urinary catheter assembly that can reduce the need for a user to handle the urinary catheter directly, thereby reducing the likelihood of a urinary tract infection and making the cathing process less messy. In one aspect, a urinary catheter apparatus and methods for voiding a human's bladder and enabling a human patient to void his or her bladder are provided.

The invention discloses a safety urination apparatus for male patients suffering from incontinence. The safety urination apparatus comprises a urine cover which is provided with a safety interlayer and a urine outlet, wherein the urine outlet is connected with a catheter and is led to a urine connector through the catheter. The urination apparatus is convenient to use, safe and sanitary, and when the urination apparatus is used, a user can just fix an urine cover of the urination apparatus with an underwear or a bonding band to allow the whole urine cover covering the scroticles, and then inserts the penis into the safe interlayer on the urine cover to urinate in a safe way. The urination apparatus solves the difficulty in nursing patients suffering from incontinence without operation. The urination apparatus is suitable for the bedfast old male patients and the male patients hard to urinate after clinical operation, and is particularly suitable for the male patients suffering from incontinence and the boys having the bad habit of bed-wetting.

The invention discloses a disposable ureteral catheterization stent tube. The ureter catheterization stent tube comprises a kidney end, a stent tube body and a bladder end. The hardness of the ureteral catheterization stent tube is sequentially reduced from the kidney end, the stent tube body and the bladder end, the kidney end and the bladder end are bent in opposite directions to form circular arcs respectively, and the kidney end and the bladder end are each provided with a through hole for urine to enter and exit from the stent tube body. The friction between the bladder end arc-shaped structure and the bladder mucous membrane can be reduced, the stimulation to the bladder is reduced, and the comfort level of a patient is improved.

The invention provides a urine collector with a urinary catheterization function. The urine collector comprises a urine collection funnel and a urine collection tube. A urine catheter penetrates the funnel wall of the urine collection funnel. The outer wall of the urine catheter is hermetically connected with the funnel wall of the urine collection funnel. One end of the urine catheter is led out via a funnel opening of the urine collection funnel. The urine catheter is inserted in the urethral cannel for urinary catheterization; urine leaking from the outer wall of the urine catheter enters the urine collection funnel and is then discharged via the urine collection tube; retention of urine is prevented and infection is prevented.

The invention discloses a boosting catheter of a ureteral catheterization support, which belongs to the field of medical equipment and comprises a boosting tube; a tube groove A is fixedly mounted inthe center in the boosting tube, a through hole is connected in the boosting tube above and below the tube groove A, a fixed disc A is fixedly mounted at the right end of the boosting tube, and a threaded sleeve is movably sleeved on the outer wall of the boosting tube; a bearing is rotationally installed at the left end of the boosting pipe, a fixing disc B is rotationally installed at the left end of the bearing, an inserting groove is fixedly formed in the left end of the fixing disc B, an inserting block is inserted into the inserting groove, screw grooves A are fixedly formed in the innerwalls of the upper outer side and the lower outer side of the inserting block, and screw grooves B are fixedly formed in the upper portion and the lower portion of the fixing disc B. By arranging a rotating structure, an embedded fixing structure and a soft material, the practicability of the boosting catheter is improved.

The invention belongs to the technical field of medicines, and particularly relates to a medicine composition for treating spleen qi rise-failing type anorectal postoperative urinary retention. The medicine composition is prepared from the following Chinese herbal medicines in parts by weight: 4 to 8 parts of acanthopanax root, 4 to 8 parts of tawny fig, 4 to 8 parts of broad bean shell, 4 to 8 parts of medulla of stachyurus, 4 to 8 parts of dolichos lablab, 4 to 8 parts of holboellia latifolia, 4 to 8 parts of root of flueggea virosa, and 4 to 8 parts of licorice root. The medicine composition has the advantages that by utilizing all Chinese herbal medicines, the effects of invigorating qi and strengthening spleen, ascending lucidity and descending turbidity, and relieving pain and causing diuresis are realized; the disease mechanism of the spleen qi rise-failing type anorectal postoperative urinary retention is studied; the success rate of pulling-out of a catheter for a patient with urinary retention is improved, the remaining amount in bladders and the capacity of bladders are decreased, and the free urine speed is improved.

Discloses a novel synergistic herbal composition comprising combination of therapeutically effective amount of Vrun bhavit, Kadalikshar, Apamargkshar, Yavkshar and optionally Gomutrakshar along with pharmaceutical acceptable additives, useful for the treatment of kidney stone and other urinary disorders like inflammation and urinary stent related problems.

The invention belongs to the technical field of medicines and particularly relates to medicine composition for treating bladder damp-heat type anorectal disease postoperative urinary retention. The medicine composition comprises traditional Chinese medicines in parts by weight as follows: 5-13 parts of roots or leaves of Micromelum falcatum (Lour.) Tanaka, 4-8 parts of roots of Undulateleaf Aralia, 4-8 parts of pericarp of common sterculia, 4-8 parts of all-grass of Chinese brake, 4-8 parts of calendula officinalis roots, 4-8 parts of Munronia henryi Harms, 4-8 parts of all grass of David vetchling and 4-8 parts of liquorice. The medicines perform the efficacy of clearing heat, promoting diuresis and relieving pains. The medicine composition is focused on etiology and pathogenesis of bladder damp-heat type anorectal disease postoperative urinary retention and can increase the pull-out success rate of a catheter in a patient suffering from postoperative urinary retention, reduce residual urine volume of the bladder and the bladder capacity, increase a free pissing rate and remarkably relieve postoperative pains of the patient.