35 results about "Into bladder" patented technology

The invention relates to a nanometer silver aqueous solution preparation. Its components and weight percentage are: nanometer silver 0.05-1.5, the dispersant 0.5-1.5, the reducer 0.05-0.2, the stabilizer is nanometer silver 0.5-1.5, the dispersant 0.5-1.5, the reducer is 0.05-0.2, the stabilizer is 0.5-10, and the deioned water is 1000. The invention also relates the manufacturing method for above mentioned nanometer silver aqueous solution preparation, and the usage for curing man social disease, and the using method for ejecting the medicine into bladder through urethra. The reducer and stabilizer in the solution accord with the standards of America FDA or china sanitary department.

A ureteral stent comprising a short renal coil made of a pliable material and a wick portion made of a material having a hydrophilicity or hydrophobicity different from that of the renal coil and extending from a ureteropelvic junction to a bladder so as to assist in the transfer of urine out of a kidney and into the bladder and to improve patient comfort. Due to increased hydrophilicity or hydrophobicity, wick may be significantly smaller in diameter than renal coil, resulting in less reflux of urine into the kidney and further decreasing patient discomfort. The stent may further comprise one or more couplers between the renal coil and wick portion, such as clamps, couplers, sutures, adhesives or receiving ends of the renal coil, and the wick portion may further comprise a sheath surrounding an elastic core to prevent kinking and enhance the ability of the wick portion to move with the patient. A novel method of ureteral stent placement is also disclosed.

The invention discloses a ureteral stent, which comprises a tubular body made of medical-grade polymer materials, wherein the ends of the tubular body are inwardly bent in opposite directions to a pigtail shape, and a larger groove (1) and a smaller groove (2) are symmetrically arranged at side walls of the tubular body with H-shaped cross sections. The diameter of the tubular body is 1.4-3.2 and the length thereof is 180-290 mm. The diameters of the larger (1) and the smaller (2) grooves are 0.8-2.0 mm and 0.4-0.8 mm respectively. One of the two pigtail-shaped ends has only the smaller groove (2) side, without the larger groove (1) side. The special open H-shaped structure can prevent blockage due to urine crystals when draining urine, so that the urine can be drained into bladder smoothly.

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 a method for making a sausage in bladder skin. The method comprises the following steps of: taking pig hind leg meat as raw material meat, finishing, cutting, poaching and mincing the raw material meat, mixing the raw material meat with auxiliaries, filling the mixture into bladder skin, hanging the sausage in bladder skin to a rod, and air-drying the sausage in bladder skin at the temperature of 4-6 DEG C and the humidity of 30-50% until the drying yield is 50-54% and the water content is 23-26%. The method provided by the invention has simple production process and short period, and the product of sausage in bladder skin, processed by the method, has the characteristics of ruddy color, rich flavor and close formulation.

Natural urination washes out the pathogens in the urethra, preventing bladder infections. Urinary catheters used currently prevent this flushing action allowing bacteria to progress from the exterior and into the bladder. This invention is a urinary catheter that permits washing of the urethral walls to flush out pathogens. A variety of constructs is to accommodate gender differences and other variables.

The embodiment of the invention provides a water purifier with a preheating function. The water purifier comprises a water tank, a heating assembly, an insulation liner, a first pump assembly, a second pump assembly and an electromagnetic valve assembly, wherein the water tank is used for storing filtered water; the first pump assembly is connected with the water tank and the heating assembly so as to pump water in the water tank into the heating assembly; the second pump assembly is connected with the insulation liner and the heating assembly so as to pump water in the insulation liner into the heating assembly; and the electromagnetic valve assembly is connected with the insulation liner, the heating assembly and the outside of the electromagnetic valve assembly and used for directly discharging water heated by the heating assembly outside or into the insulation liner. Through the embodiment of the invention, the purpose of rapidly hot water discharging can be achieved.

A method for building a rat model of chronic pyelonephritis by perfusing Escherichia coli into bladder includes the following steps of disinfecting the urethral orifice of the anaesthetized rat by the benzalkonium bromide for six weeks and twice each week, inserting a steel wire into a 24G intravenous indwelling catheter with the angle of 15-30 degrees, lubricating the intravenous indwelling catheter with paraffin oil, inserting the intravenous indwelling catheter into the urethral orifice of the rate until reaching the 3cm position of the inside of the bladder, removing the steel wire, draining and discarding urine, injecting Escherichia coli suspension with the concentration ranging from 108-109FU / 100ul by a 1ml OT needle tube, removing the catheter, and finally placing the rat into a rat cage until the rat revives naturally. The rat model of chronic pyelonephritis built by the method has the advantages that infiltration with lymphocytes and plasmocytes can be observed in renal interstitium evidently, infiltration with a small quantity of polymorphonuclear leucocytes and congestion and edema of blood capillary can also be observed after kidney pathological sections of the rat are subjected to HE(Hematoxylin and Eosin) staining.

An incontinence treatment device is disclosed. The incontinence treatment device has a solid rod connected between a proximal portion and a distal portion. The proximal portion is insertable into a urinary bladder. The solid rod is configured for placement in the urethra. The solid rod has a length that adapts the distal portion to be positioned outside and distal to the urethra with the proximal portion positioned in the urinary bladder. The proximal portion has a lateral dimension that is at least a factor of 3 greater than a lateral dimension of the solid rod and is so configured to block a neck of the urinary bladder and impede flow of urine out of the urinary bladder. A force applied to the distal portion displaces the proximal portion away from the neck of the urinary bladder to allow urine to exit the urinary bladder.

A urinary catheter insertion alignment device for use by a female patient is disclosed. The urinary catheter insertion alignment device is molded to the patient's vaginal anatomy using impression material while an intermittent urinary catheter is inserted into the urethral orifice. Once the urinary catheter insertion alignment device has hardened, the intermittent urinary catheter is removed therefrom. Thereafter, the urinary catheter insertion alignment device may be fitted to the vaginal anatomy by the patient, which positions the passageway therethrough (formerly occupied by the urinary catheter in place during the molding operation) directly over the urethral orifice. The patient may then easily insert an intermittent urinary catheter (of a size smaller than that used during the molding operation) through the passageway, into the urethral orifice, and into the bladder for drainage of the bladder.

The invention discloses application of stroma cell-derived factor-1 in preparing an inducer used for inducing directional differentiation of umbilical cord mesenchymal stem cells into bladder smooth muscle cells. The invention also discloses the inducer used for inducing directional differentiation of umbilical cord mesenchymal stem cells into bladder smooth muscle cells, application of the inducer and a method for promoting directional differentiation of umbilical cord mesenchymal stem cells into bladder smooth muscle cells. The inducer provided in the invention can promote directional differentiation of umbilical cord mesenchymal stem cells into bladder smooth muscle cells and has a good application prospect and good economic benefits when used for repair of bladder injury.

The invention discloses an efficient differentiation induction agent of adipose-derived stem cells and a differentiation induction culture medium. The invention belongs to the field of stem cells, relates to stem cell differentiation induction and in particular relates to the efficient differentiation induction agent of the adipose-derived stem cells and the differentiation induction culture medium; the adipose-derived stem cells are efficiently induced and are directionally differentiated into bladder smooth muscle cells; the differentiation induction agent and the differentiation induction culture medium contain an effective amount of blood serum exosomes. The differentiation induction agent and the differentiation induction culture medium, provided by the invention, prove that the blood serum exosomes can be used for effectively inducing the adipose-derived stem cells to directionally differentiating the adipose-derived stem cells into the bladder smooth muscle cells and can be used for preparing the efficient differentiation induction agent of the adipose-derived stem cells and the differentiation induction culture medium; the adipose-derived stem cells can be efficiently induced and are directionally differentiated into the bladder smooth muscle cells.

The invention discloses a ureteral stent, which comprises a tubular body made of medical-grade polymer materials, wherein the ends of the tubular body are inwardly bent in opposite directions to a pigtail shape, and a larger groove (1) and a smaller groove (2) are symmetrically arranged at side walls of the tubular body with H-shaped cross sections. The diameter of the tubular body is 1.4-3.2 andthe length thereof is 180-290 mm. The diameters of the larger (1) and the smaller (2) grooves are 0.8-2.0 mm and 0.4-0.8 mm respectively. One of the two pigtail-shaped ends has only the smaller groove(2) side, without the larger groove (1) side. The special open H-shaped structure can prevent blockage due to urine crystals when draining urine, so that the urine can be drained into bladder smoothly.

The invention provides a urine guiding tool kit. The kit includes an intervene guiding wire, a metal urine pipe and a gasbag conduit; the intervene guiding wire comprises a soft head at the front endand a hard head at the rear end, the front end of the metal urine pipe is sealed and bent outwards to form a curved pipe, the rear end of the metal urine pipe is open, a urine guiding hole is formed in the curved pipe, and the hole diameter of the urine guiding hole is larger than the diameter of the cross section of the intervene guiding wire; a flow guiding branch pipe and a gasbag branch pipe are formed on the rear portion of the gasbag conduit, a second urine guiding hole is formed in the side wall of the front portion of the gasbag conduit, a through hole is formed in the front end surface of the gasbag conduit, and the hole diameter of the through hole is larger than the diameter of the cross section of the intervene guiding wire. The metal urine pipe is used for introducing the intervene guiding wire into a bladder, and under the guidance of the intervene guiding wire, the gasbag conduit is introduced into the bladder, so that the technical problem that common urine pipes are difficult to place into bladders through urethrae can be solved, and the urine guiding tool kit has a great popularization value in clinical application.

The invention relates to a nanometer silver aqueous solution preparation. Its components and weight percentage are: nanometer silver 0.05-1.5, the dispersant 0.5-1.5, the reducer 0.05-0.2, the stabilizer is nanometer silver 0.5-1.5, the dispersant 0.5-1.5, the reducer is 0.05-0.2, the stabilizer is 0.5-10, and the deioned water is 1000. The invention also relates the manufacturing method for above mentioned nanometer silver aqueous solution preparation, and the usage for curing man social disease, and the using method for ejecting the medicine into bladder through urethra. The reducer and stabilizer in the solution accord with the standards of America FDA or china sanitary department.

The invention relates to a closed type bladder irrigation connecting pipe. The closed type bladder irrigation connecting pipe is provided with a connecting pipeline, wherein a puncturing machine is mounted at one end of the connecting pipeline; a triple valve turncock is mounted at the other end of the connecting pipeline; a flow regulator is mounted on the connecting pipeline; a dripping hopper is mounted on the connecting pipeline between the flow regulator and the puncturing machine; an exhaust pipeline is arranged on the puncturing machine; an air filter is mounted at the outer end of theexhaust pipeline; a drainage pipeline which is connected with a drainage bag is arranged at one end of the triple valve turncock, and a rinsing pipeline which is connected with a urethral catheter isarranged at the other end of the triple valve turncock. The closed type bladder irrigation connecting pipe disclosed by the invention is connected with an infusion bottle / infusion bag loaded with rinsing liquid, the urethral catheter and the drainage bag to form an airtight system; the speed of the rinsing liquid entering the bladder is regulated by the flow regulator, and the flow direction of the liquid is regulated by the triple valve turncock, so that the working capacity of doctors and nurses is alleviated to a great degree, and the working efficiency of the doctors and nurses is improved.

The invention discloses a high-strength urethral stent easy to recycle, and the stent comprises a stent body; the stent body comprises a guiding section, a transition section and an anchoring section which are sequentially arranged from the near end to the far end; the outer diameter of the anchoring section is greater than that of the guiding section, one end of the transition section is connected with the guiding section, and the other end of the transition section is connected with the anchoring section; the outer diameter of the transition section is gradually increased from one end to the other end, the outer diameter of the anchoring section is gradually decreased from the near end to the far end, and the stent body is of an integrally-formed structure. When the stent changes from the guide section to the anchoring section through the transition section, the outer diameter of the stent is gradually increased, so that the anchoring section can be limited at a bladder neck opening after entering the bladder neck due to the size difference; due to the fact that the far end of the anchoring section of the support is in an inward-contracting shape, the sheath tube is arranged at the far end of the anchoring section of the support, the support can be smoothly contracted into the sheath tube, and guiding and recycling of the support are achieved.

The invention relates to the technical field of transurethral ureteral lithotripsy, and particularly relates to an intelligent control backwashing constant-pressure perfusion and suction system. The system is composed of a perfusion bag, a perfusion pump, an intelligent control device, a control valve, two novel attractable ureteral hard mirrors which are independent perfusion and suction channels, a negative pressure suction bottle and a central negative pressure suction device. When the system is used, the system enters a bladder cavity through the urethra and then is placed into a ureter cavity from a ureter opening along a guide wire, calculi in the ureter cavity are found, and related lithotripsy instruments are used for removing the calculi in the ureter. Water injection during an operation and negative pressure suction drainage are carried out at the same time, the drainage speed during the operation can be increased on the premise that the operation is not affected, continuouswater circulation in the operation view is formed, the good definition of the view in the operation process can be kept, the operation lithotripsy efficiency is obviously improved, the safe intra-cavity pressure set before the operation can be accurately controlled, and complications such as postoperative bacteremia, urogenic sepsis, pulmonary edema and heart failure are prevented.

A filtering device includes a two-piece housing and a disposable, self-contained filter cartridge. The filter cartridge includes a cylindrical filter with a specialized flow bypass endcap, and possibly a second differentiated endcap, wherein each endcap is coupled to opposing ends of the cylindrical filter. The flow bypass endcap includes two channels for the passage of fluids, one channel for the ingress of pre-filtered fluid another channel for egress of filtrate. The bottom endcap can block fluid flow into the end of the cylindrical filter. The filter cartridge includes an impermeable bladder which may be coupled to the outer surface of each endcap such that the bladder completely encloses the filter media. Fluid entering the system passes through ingress channel of the flow bypass endcap into bladder (which surrounds the filter and isolates the fluid from the filter housing).

The invention relates to the field of cell culture, in particular to a cell culture method for inducing dental pulp stem cells to differentiate into bladder smooth muscle cells in vitro. The cell culture method comprises the following steps: (1) separating and culturing dental pulp stem cells DPSCs; (2) separating and culturing bladder smooth muscle cells SMCs; (3) collecting a bladder smooth muscle cell SMCs condition culture solution CM; (4) screening a bladder smooth muscle cell SMCs in-vitro induction culture solution; and (5) inducing the dental pulp stem cells DPSCs to differentiate intothe bladder smooth muscle cells SMCs in vitro. The differentiation of dental pulp stem cells into bladder smooth muscle cells is induced in vitro, so that the bladder smooth muscle cells can effectively replace bladder tissues of a patient needing bladder augmentation cystoplasty or replacement to play a normal role, and the patient is expected to have better living quality.

The invention provides a urethral catheter device and a using method thereof, and relates to the field of medical instruments. The urethral catheter device comprises a silica gel catheter, a fixing balloon is arranged on the silica gel catheter, and a pressure sensing device is installed at the joint of the fixing balloon and the silica gel catheter. The using method of the urethral catheter comprises the following steps that S1, whether the appearance of the catheter is intact or not is checked, water is injected into the fixing balloon, and the water is pumped out after the integrity of the fixing balloon is confirmed. According to the urethral catheter device and the using method thereof, a pressure display device becomes green with lower pressure in the bladder area to prompt that the pressure sensing device enters the bladder, that is, the fixed balloon at the front end of the pressure sensing device reaches the bladder, so that the position of the fixed balloon reaching the bladder can be determined as much as possible, and the balloon avoids the situation that water is injected into the urethra as much as possible, therefore the possibility that the urethra is torn when the urethral catheter is inserted is greatly avoided.

The invention discloses a urinary surgery urethra anesthetic sprayer capable of expanding the urethra, and relates to the technical field of medical instruments, the urinary surgery urethra anesthetic sprayer comprises an anesthetic catheter, an annular urine collecting tube is arranged on the outer side wall of the anesthetic catheter, and a control box and a first connecting tube are arranged at the end of the annular urine collecting tube; the first connecting pipe is located in the control box body, a urine collecting bag is arranged at the end, away from the annular urine collecting pipe, of the first connecting pipe, and the top of the urine collecting bag is connected with the bottom of the control box body; and a plurality of annular expanding bags are arranged on the outer side wall of the annular urine collecting pipe and distributed at equal intervals in the inserting direction of the annular urine collecting pipe. The urinary surgery urethra anesthetic sprayer not only can be used for anesthetizing the whole section of urethra, but also can be used for expanding the urethra step by step under the condition that the urethra dilator is not taken out, in addition, the anesthetic spraying device can also guide urine in the bladder to indicate whether the spraying device enters the bladder or not, the anesthetic of the whole section of urethra is ensured, and the situation that the urethra enters or forms a false channel during urethra dilation is avoided.

The invention discloses a female self-cleaning intermittent catheterization fixing instrument. The instrument comprises a fixing frame, an expander and a urethral catheter, the fixing frame comprisesa telescopic arm and a support movably connected with the telescopic arm, and the support is attached to the buttocks and used for limiting and supporting the buttocks and the legs; the expander is mounted on the telescopic arm and is used for assisting one end of the urethral catheter to extend into bladder for catheterization; and the other end of the urethral catheter is connected with a urinary catheterization bag. The instrument has the advantages that the fixing frame and the expander are arranged to fix the body position, and the urethral catheter is assisted in stretching into the bladder for catheterization; the problem that a sitting posture cannot be adopted during intermittent catheterization is solved, and muscular tension during intermittent catheterization is reduced; and the expander is beneficial to finding the urethral orifice, simple to operate and low in requirement on hand function coordination capability.

The invention provides a urethral catheterization product structure. The urethral catheterization product structure comprises an outer sheath, a balloon and an inner core, wherein an air injection channel and an inner core channel are formed in the outer sheath, a urine inlet and a urine outlet communicating with the inner core channel are also formed in the far end and the near end of the outer sheath respectively, the urine inlet is in a blunt head shape, and the inner core is further provided with a guide end. In an initial state, the inner core is arranged in the inner core channel in a penetrating manner, the guide end extends out of the inner core channel to be exposed out of the outer sheath, so that the guide end is used to guide the far end of the outer sheath to enter a urinary bladder via the urethra of a patient, the balloon is in an expansion state to be positioned in the urinary bladder, then, the inner core is dismounted from the inner core channel, and the exposed urineinlet, the inner core channel and the urine outlet form a channel to discharge urine in the urinary bladder. Therefore, the urethral catheterization product structure can reduce irritation to urinarybladder mucosae and urethra mucosae, thereby improving the use comfort.

The invention relates to a bladder lithotripsy mirror with a closed lithotripsy end, which comprises an outer mirror sheath and a mirror body. The outer mirror sheath is provided with a rotating sheath and an inner mirror sheath. The rotating sheath can be rotatably sleeved outside the endoscope sheath, and rotate There will be no axial relative displacement between the sheath and the endoscope sheath; a calculus pick-up assembly is provided at the end of the endoscope sheath away from the scope body, and an opening is provided on the side wall of the stone pick-up assembly, which can be covered by a sealing assembly, and the inner An instrument channel tube is arranged in the cavity of the mirror sheath, and the stone-crushing component is arranged in the instrument channel tube, and the stone-crushing end extends into the stone-picking component. The bladder stone removal mirror of the present invention can limit stones in a closed space, and stone residues will not enter the bladder during lithotripsy, and there will be no stone residue after surgery, causing less damage to the bladder mucosa, bladder wall and surrounding tissues, and During the lithotripsy process, the stones are always clamped by the elastic framework and will not move at will, which can significantly improve the efficiency and effect of the operation, and significantly reduce the pain and burden of the patient.