30 results about "Bladder cavity" patented technology

The method disclosed may be used following a prostatectomy may comprise inserting an instrument having an end effector into the bladder lumen via the urethra; using the end effector to urge the bladder wall to the pelvic floor and drive an anchor through the bladder wall into the pelvic floor, thereby connecting a balloon harness within the bladder to the pelvic floor; withdrawing the end effector; inserting and inflating a balloon catheter within the balloon harness, thereby pressing the bladder wall surrounding the bladder opening against the pelvic floor; maintaining the balloon catheter in place and draining the bladder during the time required for the tissues to effectively knit; and then deflating and withdrawing the balloon catheter and disconnecting and withdrawing the balloon harness. The instrument may comprise one or more tubes that support an end effector comprising a positioner and an anchor driver.

The present invention is directed to a cushioning device. The present cushioning device has many attributes that are common with many cushions. Some of these common attributes are at least one bladder having a top surface, a bottom surface and at least one side surface positioned between the top and the bottom surfaces. Another common attribute is a bladder cavity being defined by the top surface, the bottom surface and the at least one side surface. The present invention differs from other bladders in that there is a first conductive material and a second conductive material are positioned within the bladder cavity, positioned away from the bottom surface of the bladder, and capable of acting like a switch for a reactive device. The reactive device is electrically interconnected with the first and second conductive materials. When the first and second conductive materials contact each other the reactive device is capable of responding by sounding an alarm and / or re-inflating the bladder cavity with a fluid.

The invention discloses a multiple-cavity integrated laryngeal mask capable of being inserted by endoscope, relates to a cannula for the trachea, in particular to a laryngeal mask. The multiple-cavity integrated laryngeal mask has the advantages that the laryngeal mask can be used together with the endoscope, can reduce cannula damage and can be used conveniently. The multiple-cavity integrated laryngeal mask comprises a main tube (1), a mask bladder (2) is connected at the tail end of the main tube (1), an air through hole (21) is arranged on the mask bladder (2), a venting cavity channel (11) is arranged in the main tube (1), the venting cavity channel (11) is communicated with the vent hole (21), an endoscopic cavity channel (12) and an air discharging cavity channel (13) are arranged in the main tube (1), an endoscopic through hole (22) is arranged at the tail end of the mask bladder (2), the endoscopic cavity channel (12) is communicated with the endoscopic through hole (22), and the air discharging cavity channel (13) is communicated with a bladder cavity of the mask bladder (2).

The invention belongs to the technical field of medical appliance, and specifically discloses a minitype ultrasound hard multichannel electronic cystoscope system. The invention organically combines a multichannel electronic cystoscope with a minitype ultrasound transducer and introduces advanced ultrasonic scanning into the endoscope diagnosis and treatment technology of bladder diseases. The main endoscope of the hard multichannel electronic cystoscope gives up the traditional optical system of the glass column type lens and adopts an electronic CCD optical system with higher resolution and image quality; an appliance channel of which the diameter is bigger than or equal to 2.8 mm is designed in the main endoscope; the minitype ultrasound transducer can enter the bladder cavity by taking the appliance channel as the platform to perform two-dimensional scanning and three-dimensional scanning to each layer of bladder cavity wall. The invention can improve the examination, diagnosis and operation accuracy of the bladder.

The invention belongs to medical instruments, and in particular relates to a novel three-dimensional electronic choledochoscope system for reconfiguring a three-dimensional image by using a multi-CCD (Charge Coupled Device) array, which comprises a soft electronic choledochoscope, a processing host computer, a light source host computer and a work station assembly, wherein the processing host computer, the light source host computer and the work station assembly are connected with the soft electronic choledochoscope; the three-dimensional soft electronic cystoscope enters a gall bladder cavity through a small cut at the bottom of the gall bladder and can enter the biliary tract through a small cut on the bile duct wall, then turns into the bile duct through better flexibility and control, and then enters the common bile duct for detecting the condition of the common bile duct; the multi-CCD array module at the tip part of a choledochoscope working end part is used for finely scanning the common bile duct, even the intrahepatic bile duct to obtain a three-dimensional image of the choledochoscope cavity; and a doctor treats the gall bladder pathological change according to the three-dimensional image.

The invention belongs to medical instruments, and in particular relates to a novel three-dimensional electronic cystoscope system for reconfiguring a three-dimensional image by using a multi-CCD (Charge Coupled Device) array, which comprises a soft electronic cystoscope, a processing host computer, a light source host computer and a work station assembly, wherein the soft electronic cystoscope consists of a soft cystoscope sheath, a cystoscope sheath core and a cystoscope main body; and the processing host computer, the light source host computer and the work station assembly are connected with the soft electronic cystoscope; the soft electronic cystoscope enters a bladder cavity through the soft cystoscope sheath, and then the multi-CCD array module at the tip part of a cystoscope working end part passing through the cystoscope main body is used for finely scanning the cystoscope cavity to obtain a three-dimensional image of the cystoscope cavity; and a doctor treats the bladder pathological change according to the three-dimensional image.

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 urinary apparatus includes a catheter system for pressurizing either a bladder cavity or a urethral canal within a female urinary system and an endoscope device for observing a urethral sphincter muscle within the female urinary system for assessing the sling tension of an implant support adapted to restore female urinary continence. The catheter system includes a obturator occlusion member for plugging the urethral canal during the performance of a sling tensioning procedure.

The invention belongs to the field of medical devices and particularly discloses an integrated rigid ultrasonic cystoscope system which comprises a rigid cystoscope and a cold light source host and a camera host connected with the rigid cystoscope, wherein the rigid cystoscope comprises a main body endoscope part and a cystoscope sheath tube part connected with the main body endoscope part, a micro-ultrasonic probe part, a light guide optical fiber and a device channel outlet are arranged at a rigid endoscope end part, and the micro-ultrasonic probe part is directly integrated at the rigid endoscope end part, thereby designing the rigid cystoscope into the integrated rigid ultrasonic cystoscope. The integrated rigid ultrasonic cystoscope system is placed into the bladder through the urethra of a patient, and a doctor operates a control unit of a cystoscope body for starting the micro-ultrasonic probe part of an endoscope, thereby carrying out annular scanning or linear scanning on the bladder cavity, displaying the scanning result in a monitor, carrying out three-dimensional reconstruction on the bladder cavity, knowing the situation of the bladder cavity and helping the doctor made judgments. The integrated design of the integrated rigid ultrasonic cystoscope leads the micro-ultrasonic probe part to be difficult to be damaged and facilitate the operation of the doctor; furthermore, an endoscope image and an ultrasonic image are easier to be obtained synchronously, thereby improving the image quality of the lesion area and greatly improving the accuracy of diagnosis.

The invention discloses a bladder structure and a multilayer bladder system. The bladder structure comprises a plurality of walls defining a bladder cavity, and the bladder cavity comprises an initial cross section size. A first plurality of wave features provided along at least one of the plurality of walls defining the bladder cavity. In one arrangement, the first plurality of wave features allow the structure to expand from the initial cross section size to a second cross section size after the structure becomes inflated during composite charge curing processes, the second cross section size larger than the initial cross sectional size.

The invention provides a condom, which is made of an elastic material. The condom comprises a closed end (4), an open end (6), a tubular condom body (2) arranged between the closed end (4) and the open end (6), an elastic ring (1) arranged at the open end (6), and a sperm storing bladder (5) integrally formed at the closed end (4), and is characterized in that: the sperm storing bladder (5) is a shrinking sperm storing bladder; and a supporting body (7) of which the size is larger than the caliber of a shrinking part (8), or a waterproof electric shaker is arranged in the bladder cavity of a bladder body part (9) of the shrinking sperm storing bladder (5). When the condom is used, the supporting body (7) or the waterproof electric shaker in the shrinking sperm storing bladder (5) can generate various movements along with the movement of the condom body and the shrinking sperm storing bladder (5), so that the physical stimulation to women is improved, and the sexual pleasure is improved. The condom has important and realistic significance in the aspects of promoting condom consumption, and popularizing and improving the quality of life of people and the like.

The invention discloses a device for storing food, beverages and other articles with dual functions of cooling and heating, its storage tank and an assembly method of conductive aluminum. Storage tank, conductive aluminum, semiconductor sheet, radiator and switch circuit board assembly electrically connected with the semiconductor sheet, it is characterized in that the inner space of the shell is divided into two parts by a baffle, and the storage The cavity formed by the gallbladder, the shell and the baffle is provided with fillers which play a fixed role. The device of the invention has the advantages of simple structure, convenient installation, reliable quality and high production efficiency.

The embodiments herein provide an atraumatic urinary catheter. The atraumatic urinary catheter has a first tubule, a second tubule and a third tubule. The first tubule is provided with a first channel and a second channel. The first channel is wide and extended from a proximal end to a distal end of the first tubule and the first channel is open in both ends. The second tubule comprises a third channel, which is connected to a bladder cavity. The third tubule placed on the first tubule and the second tubule as a cover, to form a catheter's balloon. In order to avoid balloon explosion, the sterile water in the balloon is drained by the self-retaining mechanism of the catheter to prevent an irritation and tissue traumatization.

The invention belongs to medical instruments, and in particular relates to a novel three-dimensional electronic cystoscope system for reconfiguring a three-dimensional image by using a multi-CCD (Charge Coupled Device) array, which comprises a soft electronic cystoscope, a processing host computer, a light source host computer and a work station assembly, wherein the soft electronic cystoscope consists of a soft cystoscope sheath, a cystoscope sheath core and a cystoscope main body; and the processing host computer, the light source host computer and the work station assembly are connected with the soft electronic cystoscope; the soft electronic cystoscope enters a bladder cavity through the soft cystoscope sheath, and then the multi-CCD array module at the tip part of a cystoscope working end part passing through the cystoscope main body is used for finely scanning the cystoscope cavity to obtain a three-dimensional image of the cystoscope cavity; and a doctor treats the bladder pathological change according to the three-dimensional image.

The invention discloses a two-way flexible loading system for simulating a three-dimensional coal seam mining test bench, which includes a frame-type test bench carrying a model, a three-dimensional mining simulation system, a pneumatic loading system and a numerical control system, wherein the three-dimensional mining simulation system includes a grid type The airbag device is composed of several unit airbags, and each unit airbag has an independent cavity, so that the gas is delivered to it through the cooperation of the air pressure loading system, the numerical control system and the pressure stabilizing device. During the inflation process, each unit airbag is It is independent, and the inflated grid-type airbag device can simulate the three-dimensional loading of the coal seam. The bladder made of vulcanized rubber is used for pressurization. The pressure load is uniform, the internal pressure of the bladder is equal everywhere, and the force acting on the surface of the sample is uniform. . The invention makes up the blank of real three-dimensional coal seam with time effect, is beneficial to improve the authenticity of the test, and restores the real mining of coal mines.

The invention belongs to medical instruments, and in particular relates to a novel three-dimensional electronic choledochoscope system for reconfiguring a three-dimensional image by using a multi-CCD (Charge Coupled Device) array, which comprises a soft electronic choledochoscope, a processing host computer, a light source host computer and a work station assembly, wherein the processing host computer, the light source host computer and the work station assembly are connected with the soft electronic choledochoscope; the three-dimensional soft electronic cystoscope enters a gall bladder cavity through a small cut at the bottom of the gall bladder and can enter the biliary tract through a small cut on the bile duct wall, then turns into the bile duct through better flexibility and control,and then enters the common bile duct for detecting the condition of the common bile duct; the multi-CCD array module at the tip part of a choledochoscope working end part is used for finely scanning the common bile duct, even the intrahepatic bile duct to obtain a three-dimensional image of the choledochoscope cavity; and a doctor treats the gall bladder pathological change according to the three-dimensional image.

The invention discloses a bladder structure and a multilayer bladder system, the bladder structure comprising a plurality of walls defining a bladder cavity comprising an initial cross-sectional dimension. A first plurality of corrugated features is disposed along at least one of the plurality of walls defining the bladder cavity. In one arrangement, after the structure becomes expanded during curing of the composite charge, the first plurality of corrugated features allows the structure to expand from an initial cross-sectional dimension to a second cross-sectional dimension greater than Initial cross section size.

The invention relates to an anti-tumor drug with lidocaine. The lidocaine with the concentration being 1.25-5 mg / ml is dissolved in a solvent acceptable in medicine to form a solution, or the lidocaine is combined with a common bladder cancer resisting infusion drug to form perfusate. The prepared drug liquid is immediately taken according to a using method, the drug liquid is injected into a bladder cavity through a catheter, kept in the bladder cavity for 60-90 min and automatically drained out. The lidocaine can directly inhibit tumor cells under a certain concentration, and the inhibiting effect is enhanced along with increasing of the drug concentration. When the lidocaine is combined with an anti-tumor drug for application, the tumor inhibiting effect of the anti-tumor drug can be enhanced through the lidocaine, the anti-tumor effect of the chemotherapy drug is improved, particularly, the irritation and toxic effect of the chemotherapy drug on a human body is lowered during local application treatment of tumors, the local pain is relieved, and the tumor treatment effect is improved.

The invention belongs to the field of medical instruments, and particularly discloses a sand-like gall bladder calculus suction system. The system comprises a hard gall bladder mirror, wherein the hard gall bladder mirror comprises an endoscope main body, a hard endoscope end part, a water inflow channel or / and a water outflow channel; a sand-like calculus absorption box made of a flexible material is sleeved on the tip part of the front end of the hard endoscope end part, and is a through pipe which is provided with a large diameter end for collecting sand-like calculuses and a small diameter end connected with the tip part; and the water inflow channel or / and the water outflow channel are connected with a negative pressure suction device. In the system, the sand-like calculuses in a gall bladder cavity are sucked completely by a principle similar to that of a vacuum dust collector. Due to the design of a sand-like gall bladder calculus suction box, surgery methods such as pushing, extrusion, pressing and the like of a doctor and the accommodation of the sand-like calculuses are facilitated. The system is manufactured by a silica gel material with appropriate hardness, so that the operation experience degree of the doctor is realized to the greatest extent, damages to the wall of a gall bladder are reduced to the lowest extent, and protection for the gall bladder of a patient and improvement on the safety of a surgery are facilitated.

A bicycle saddle with massage function based on hydraulic technology, adopting a capsule structure, including a left capsule, a middle capsule and a right capsule. The left capsule and the right capsule are symmetrically distributed relative to the middle capsule. , The middle cyst cavity and the right cyst cavity are filled with hydraulic oil; a damping hole is opened on the wall between the left / right cyst cavity and the middle cyst cavity, and a damping hole is opened on the wall between the left / right cyst cavity and the middle cyst cavity A one-way valve is installed, the liquid inlet of the one-way valve communicates with the left / right cavity, and the liquid outlet of the one-way valve communicates with the middle cavity; a tension spring is vertically installed in the middle cavity, and the tension spring is fixed in the middle Between the top and bottom walls of the cystic cavity; when the left and right cystic cavities are in an unpressurized state, the tension spring is in a retracted state, and the wall at the top of the middle cystic cavity is in a concave shape under the action of the spring force; when When the left capsule cavity or the right capsule cavity is under pressure alone, the tension spring is in a stretched state, and the top capsule wall of the middle capsule cavity is in an upward convex shape under the action of hydraulic pressure.

The invention belongs to the technical field of medical appliance, and specifically discloses a minitype ultrasound hard multichannel electronic cystoscope system. The invention organically combines a multichannel electronic cystoscope with a minitype ultrasound transducer and introduces advanced ultrasonic scanning into the endoscope diagnosis and treatment technology of bladder diseases. The main endoscope of the hard multichannel electronic cystoscope gives up the traditional optical system of the glass column type lens and adopts an electronic CCD optical system with higher resolution andimage quality; an appliance channel of which the diameter is bigger than or equal to 2.8 mm is designed in the main endoscope; the minitype ultrasound transducer can enter the bladder cavity by taking the appliance channel as the platform to perform two-dimensional scanning and three-dimensional scanning to each layer of bladder cavity wall. The invention can improve the examination, diagnosis and operation accuracy of the bladder.

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.

The invention relates to an antitumor drug containing lidocaine, which is prepared by dissolving lidocaine in a medically acceptable solvent, and the concentration of lidocaine is 1.25mg / ml-5mg / ml, or lidocaine The perfusion solution is made by combining with commonly used anti-bladder cancer perfusion drugs. The method of use is to use the above-mentioned medicinal solution immediately after preparation, pour the medicinal solution into the bladder cavity with a catheter, and keep the medicinal solution in the bladder cavity for 60-90 minutes before being discharged by itself. Lidocaine can directly inhibit tumor cells at a certain concentration, and the inhibitory effect is enhanced with the increase of drug concentration. When used in combination with anti-tumor drugs, lidocaine can enhance the anti-tumor effect of anti-tumor drugs, improve the anti-tumor effect of chemotherapy drugs, especially reduce the stimulating and toxic effects of chemotherapy drugs on the body during local drug treatment of tumors , reduce local pain, and improve the effect of tumor treatment.

The invention provides a bladder detector and a using method thereof, and belongs to the technical field of medical apparatuses and instruments. The bladder detector comprises a ureter, a water storage device, a temperature control device and a water column pressure gauge, the water storage device is provided with a water storage cavity, the ureter is provided with a first end communicated with the water storage cavity and a second end stretching into the human bladder cavity, a temperature sensor for detecting the temperature inside the bladder cavity is arranged at the position, close to the second end, of the ureter, and the temperature control device is used for receiving a temperature signal output by the temperature sensor and adjusting the water temperature inside the water storage cavity. Operation is easy in the whole testing process. The bladder detector is exquisite and reasonable in design, simple and compact in structure, low in whole detector manufacturing cost, and huge in market application potential; by adopting the using method of the bladder detector, the corresponding effect can be better achieved.

The invention discloses a bladder electromyographic signal detecting device, which adopts a wearable magnetic field generating device to generate an alternating magnetic field in a bladder portion ofa patient, and uses a diaphragm on a detecting head to transmit an acoustic wave signal generated by the magnetoacoustic coupling effect in the bladder cavity, the acoustic wave signal is detected bya high-sensitivity microphone and converted into an electrical signal, and the electrical signal is processed by a processing module to obtain information of the bladder electromyographic signal, thebladder electromyographic signal can be effectively detected, non-invasive measurement is realized, the pain caused to patients is realized, and the cost of testing equipment is low. The invention also discloses a detection system, which uses the bladder pressure detecting device to detect the bladder pressure, and combines the bladder myoelectric signal, which can facilitate the doctor to intuitively analyze the relationship between the bladder contraction activity and the detrusor myoelectric activity. The detection system also includes an urination device that facilitates patient urinationduring the detection process.

The invention relates to a piezoelectric-driven transfusion device, which belongs to the field of medical equipment. The seat plate of the main body is provided with a cavity, and a medicine bag with a medicine cavity and an air cavity is installed in the cavity; the bottom of the seat plate is provided with left and right bosses and at least two body platforms whose diameters decrease successively from left to right, and on the left boss There is an upper inlet hole, an upper outlet cavity and an upper outlet hole are arranged on the right boss, an upper inlet cavity and an upper air outlet are arranged on the body platform; left and right cavities and body cavities equal in number and diameter to the body platform are respectively arranged on the base, The bottom wall of the left cavity is provided with a lower inlet hole, the bottom wall of the right cavity is provided with a lower outlet cavity, and the bottom wall of the body cavity is provided with a lower inlet cavity and a lower air outlet; The plate is mounted on the base and the upper and lower inlet holes are connected, the upper and lower outlet openings are connected with the upper outlet hole, the body platform presses the piezoelectric driver in the body cavity through the sealing ring to form the upper and lower compression chambers, and the upper and lower compression chambers connected in series are connected in parallel; the air chamber It communicates with the upper outlet hole through the air pipe, and the infusion pipe of the medicine cavity is equipped with a flow valve and a needle.

A syringe capable of repeatedly using a drive device, and a liquid storage device (100) thereof. The syringe is provided with a liquid storage device (100) and a drive device (200); the liquid storage device (100) is provided with a connection joint (110) and an elastic medicine bladder (120), the elastic medicine bladder (120) is disposed in an inner cavity of he connection joint (110), and the elastic medicine bladder (120) is connected to the inner cavity of the connection joint (110) in a sealing manner; the drive device (200) is provided with a jacket (210) and a core bar (220), one end of the core bar (220) is provided with a rubber plug (221), the core bar (220) is disposed inside of the jacket (210) and the rubber plug (221) contacts the inner wall surface of the jacket (210) in a sealing manner, and the connection joint (110) is disposed at an assembly end (211) of the jacket (200); and the elastic medicine bladder (120) is provided with a bladder wall (121) and a bladder cavity (122). The drive device (200) is further provided with a unidirectional fastening structure, and the unidirectional fastening structure is provided with a mounting base (231), an injection clip (232), and an elastic part (233); the core bar (220) is further provided with a clipping position (222), a clip end (2321) is fastened to the clipping position (222). The syringe can repeatedly use the drive device, so that the money spent by the patients is saved and the raw materials are greatly conserved, thereby conforming to the environmental requirements.

The invention discloses an intravesical catheter integrated with a stimulating electrode. According to the invention, a stimulating electrode unit is bonded in a catheter unit through injection molding and comprises a near-end electrode and a far-end electrode; an electrode wire unit is arranged in a catheter wall interlayer of the catheter unit and is connected with the near-end electrode and thefar-end electrode; a balloon unit comprises a first balloon and a second balloon, the first balloon is pressurized and expanded when the catheter unit is used for catheterization so as to block a urethral orifice to prevent urine from overflowing, the first balloon releases pressure after the urine is guided out, and the second balloon fixes the insertion depth of the catheter unit; and an interface unit comprises a far-end electrode fixed connection end, a balloon pressurizing and pressure-releasing channel port, a catheter urine outflow channel port and a normal saline injection channel port. A stimulation loop formed by the stimulating electrode inserted into a bladder cavity through a catheter and electrodes adhered on a body surface is omitted, and the intravesical catheter is simpler, more convenient, more reliable and more efficient to use; and a double-balloon design ensures that an effective stimulation area of the stimulating electrode is located in the bladder cavity, and the stimulating electrode is prevented from falling off along the urethral orifice.