153 results about "Urethral Catheters" patented technology

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.

The invention provides a built-in catheter. The built-in catheter comprises a catheter body and a control valve, wherein the inside of the catheter body is hollow and serves as a urine guide cavity, one end of the catheter body is provided with a urine inlet, the other end of the catheter body is provided with a urine outlet, the catheter body comprises a partes prostatica part, a membranous partand a bulb part, the control valve is positioned inside the urine guide cavity and is used for controlling the on-off state of the urine guide cavity, in order to enable the catheter body to be stablyfixed inside the male urethra, the partes prostatica part is provided with a partes prostatica bulge, the bulb part is provided with a bulb bulge, the membranous part is provided with a membranous sinking part, the partes prostatica bulge, the bulb bulge and the membranous sinking part between the partes prostatica bulge and the bulb bulge are bent-dumbbell-shaped in the male urethra, thus the front-back movement of the catheter body can be prevented, and meanwhile, the interference pressing for the neck of the male bladder and the urethra can be eliminated.

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.

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 relates to a urethra washing catheter. A drainage cavity channel is arranged in the catheter, a saccule is arranged on the catheter, the catheter is of a multi-cavity tube structure, the drainage cavity channel is the main cavity channel, and a bladder washing cavity channel and a urethra washing cavity channel are arranged on the tube wall of the drainage cavity channel. A connecting-in port is arranged on each cavity channel on the catheter, and a washing micro hole is formed in the tube wall of the urethra washing cavity channel close to the saccule. The urethra washing catheter is applicable to clinical care, the design method of the multi-cavity tube structure is adopted, the catheter is divided into a plurality of different runners which achieve corresponding functions, are independent and do not affect each other, and therefore retrograde infection and cross infection caused by runner mixing are effectively avoided.

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 provides a catheter, and relates to the technical field of medical apparatuses and instruments. The catheter comprises a main pipe and multiple air sacs located on the head of the main pipe; the multiple air sacs are arranged on the outer wall of the main pipe, and are arranged in the circumferential direction of the main pipe at intervals; a drainage channel and multiple water injection channels are formed inside the main pipe; drainage holes communicated with the drainage channel are formed between the air sacs on the main pipe, and the end, away from the air sacs, of the drainage channel is communicated with the outside; the multiple water injection channels are communicated with the multiple air sacs, and each water injection channel is communicated with at least one airsac. When one or more air sacs are leaked, the rest of non-leaked air sacs can continue to normally work to guarantee that the main pipe continues to relatively fix to the bladder, and it is guaranteed that the drainage holes are located inside the bladder.

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 intelligent evaluation method and system for the quality of a catheter, and relates to the field of data processing, and the method comprises the steps: obtaining the information of the catheter; the quality parameter information of the catheter is obtained; obtaining quality parameter information of the standard catheter; a standard catheter quality parameter classification result is obtained, wherein the standard catheter quality parameter classification result comprises a structure parameter classification result, a material parameter classification result and a function parameter classification result; obtaining a structure quality evaluation result; obtaining a material quality evaluation result; obtaining a function quality evaluation result; based on this, a comprehensive quality assessment result is obtained. The technical problem that in the prior art, the quality evaluation accuracy of the catheter is not high, and then the quality evaluation effect of the catheter is not good is solved. And the technical effects of improving the accuracy and precision of the quality evaluation of the catheter, further improving the quality evaluation effect of the catheter and the like are achieved.

The invention discloses a method for establishing a bladder cancer in-situ model of a nude mouse. The method is characterized by comprising the following steps of: narcotizing a female nude mouse superficially, and inserting a urethral catheter with a side hole into a bladder from a urethral canal, so that negative pressure is formed in the urethral catheter continuously; penetrating a cutter into the urethral catheter, and adjusting the positions of a cutting inclined plane and the side hole of the urethral catheter; cutting under the negative pressure to cut part of mucous membrane layers off, so that the lower layer of a bladder mucous membrane is exposed to form a local wound surface; and pouring human bladder cancer cell suspension which is in the logarithm growth period into a bladder cavity of the nude mouse and reserving for a period of time, discharging the cell suspension out, and establishing the superficial bladder cancer model after 7 days. Compared with the conventional electrocauterization method, the conventional chemical medicinal corrosion method and the conventional bladder puncture intracavity cutting method, the method has the advantages that molding assemblies are low in production cost, and the method for establishing the bladder cancer model is good in effect, the device is easy to operate, the time is short, the nude mouse has little pain, and death caused by anesthesia, operation strike and infection is reduced obviously.

A silver ion bactericide has a broad-spectrum antibacterial effect and avoids drug resistance as well as strain variation of microorganisms. Therefore, silver ions are currently an important research direction of the biomedical technology industry. According to the invention, an in-situ synthesis method is adopted for the first time to prepare a conductive conjugate polyelectrolyte/silver halide nanocomposite; and a long-acting broad-spectrum antibacterial effect is realized by adopting a silver halide nanocomposite taking the conductive conjugate polyelectrolyte as a carrier as a broad-spectrum antibacterial material and controlling the size of the silver halide nanoparticles complexed in the conductive conjugate polyelectrolyte to regulate the release rate of silver ions. In the invention, the application of the conductive conjugate polyelectrolyte in biomedicine and particularly the antibacterial field is exploited, and an antibacterial material which avoids toxic and side effects to a human body and is easy to spray and regulate and convenient to use is provided; and the antibacterial material has a broad application prospect in various conduits (catheters and air ducts), dressings and preparations as well as the long-acting mould and bacteria prevention of precise instruments.

A disposable sterile urethral catheter set with an irradiation-resistant water-containing injection syringe comprises a urethral catheter, a drainage bag, rubber surgical gloves, a medical compress towel, a tray and a wrapping fabric and further comprises an individually-packaged water-containing injection syringe and povidone-iodine cotton balls. The water-containing injection syringe is packaged with an aluminum foil composite membrane and sterilized by cobalt-60 irradiation. The water-containing injection syringe is composed of an injection syringe tube body (1), a push rod (2), a rubber plug (3) and a cap (4). The injection syringe is made from an irradiation-resistant material; volume scale marks (5) are printed on the tube of the injection syringe; specified sterile water can be poured accurately and water is prevented from being polluted by irradiation sterilization. The disposable sterile urethral catheter set with the irradiation-resistant water-containing injection syringe is convenient for medical and nursing staff, and avoids the increasing of the preparation workload before surgical operation caused by preparation and water injection of the injection syringe after the urethral catheter set is open; and the disposable sterile urethral catheter set is applicable to be used in medical departments.

The invention discloses a novel urethral catheterication device for urinary surgical nursing. The novel urethral catheterication device includes a urethral catheter; the outer side of a sleeve is rotatably provided with a twisting cap, the inside of the sleeve is movably spliced with a plugboard, and the inner wall of the sleeve is movably spliced with an extrusion rod; the outer wall of a rolleris fixedly embedded and connected with a magnetic block; a magnetic conducting plate is fixedly connected inside the sleeve and located and below a magnetic conducting bar; an impact bar is movably spliced on the inner wall of the sleeve and below the magnetic conducting bar; the side, close to the magnetic conducting plate, of the impact bar is fixedly connected with a magnet; a tension spring ismounted between the impact bar and the magnetic conducting plate; the twisting cap is rotated, a transverse wedged plate extrudes the plugboard to move downwards, a magnetic conducting section is incontact with the magnetic conducting plate and the magnetic conducting bar at the same time, the sleeve is moved downwards, when the roller rolls, the magnetic conducting plate is intermittently magnetized by the magnet, the impact bar continuously impacts and crushes a stemming in the urethral catheter under same repulsion of the magnetic conducting plate and the magnet and under the action of the tension spring, and thus, the problem that the urethral catheter is blocked is solved.

A device and method for preparing a female patient to receive a catheter includes a female catheter starter cone that is shaped and constructed for insertion into the urethral fold of a women's body that holds the labia majora and labia minora out of the way so that a nurse can visually identify the urethral opening and to facilitate single handed insertion of the catheter tube.

The invention discloses a urethral catheterization auxiliary device and method for elderly female. According to the technical scheme, the device comprises two dilation main bodies which are in rotating connection, and a vision zone for observation is formed between dilation main bodies; one end of each dilation main body is connected with an elastic contact part, and a clamp part is arranged inside the dilation main body; and the two clamp parts are buckled with each other and have an adjustable distance. The urethral catheterization auxiliary device can assist an elderly female to catheterizeurine, so that the success rate of once success for urethral catheterization can be improved, the workload of nursing staff can be reduced, and the occurrence rate of urinary system infection relatedto urinary catheters can be reduced.

The invention relates to a urethral probe for urethral catheter indwelling. The urethral probe comprises a stainless steel probe body, the stainless steel probe body is a cylindrical shell formed by a body I and a body II in a butt-joint mode, the section of the body I and the section of the body II are semicircular, rhombic clamping strips are arranged at the two butt-joint ends of the body I and are arranged in the length direction of the body I, rhombic clamping grooves matched with the shapes of the rhombic clamping strips are formed in the two butt-joint ends of the body II, a gap matched with the wall thickness of the body I is formed in the end, far away from the body II, of each rhombic clamping groove, and when the body I and the body II are in butt joint, the rhombic clamping strips of the body I are arranged in the rhombic clamping grooves of the body II. According to the urethral probe, the urethra can be expanded, meanwhile, a urethral catheter can indwell, the hardness of the existing urethral catheter is increased, the toughness of the pointed end of the urethral catheter is ingeniously utilized for expanding the urethra, and hurt of the pointed end of an existing metal probe to the urethra and fake urethra forming are avoided.

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 discloses a urethral dilatation catheter for urethral stenosis and a using method of the urethral dilatation catheter, and belongs to the technical field of medical instruments. The urethral dilatation catheter for urethral stenosis comprises a catheter. The catheter is connected with a conical block; the catheter is connected with a drainage tube, a first water injection tube, a second water injection tube, a third water injection tube, a fourth water injection tube and a fifth water injection tube; the fifth water injection tube is connected with a valve; the outer wall of thecatheter is sequentially connected with a balloon, a first airbag, a second airbag, a third airbag and a fourth airbag; the first water injection tube is connected with the first airbag, the second water injection tube is connected with the second airbag, the third water injection tube is connected with the third airbag, the fourth water injection tube is connected with the fourth airbag, and thefifth water injection tube is connected with the balloon; and the drainage tube penetrates through the outer wall of the catheter and is provided with a sixth through hole. According to the invention,split type transverse expansion is used for relieving the pain of a patient and preventing infection, bleeding and artificial tracts; and the independently controlled airbags are used for targeted expansion, so that the pain of the patient is relieved and the medical compliance of the patient is improved.