840 results about "Urethra" patented technology

The fluid collection devices include a fluid impermeable barrier, a fluid permeable body, at least one attachment pad, and one or more support members extend from the at least one attachment pad into the fluid impermeable barrier. The fluid impermeable barrier at least partially defines a chamber, and an opening configured to be positioned adjacent to a urethra. The at least one attachment pad is spaced from the fluid impermeable barrier and the one or more support members extend from the at least one attachment pad into the chamber. The one or more support members maintain the space between the at least one attachment pad and fluid impermeable barrier while maintaining a shape to the fluid collection device that matches the shape of the anatomical features of the user in the pelvic region. Systems and methods using the same are described.

A method of making a customized catheter for an end user, comprising: capturing images of an end user's urethra; creating a 3D image of the end user's urethra; identifying areas of interest of the end user's urethra; generating a software or computerized model of a customized catheter using the 3D image, wherein the software or computerized model is modified based on the areas of interest; and 3D printing at least a portion of the customized catheter from the model and catheter made by this method

The invention relates to the technical field of medical equipment, and particularly provides a visual catheter suite which comprises a catheter body, a liquid storage bag, a camera and a steering mechanism, a first liquid outlet is formed in the side wall of the catheter body, meanwhile, a first branch pipe is arranged in the side wall of the catheter body, and the first branch pipe is communicated with the liquid storage bag and the first liquid outlet; the first branch pipe can convey liquid medicine, the corrugated pipe is arranged in the catheter body, the hardness of the catheter body can be enhanced through the arrangement of the corrugated pipe, so that the catheter body can be guided in more accurately, and meanwhile the switch assembly is further arranged; by arranging the first branch pipe and the second branch pipe, the lubricating liquid medicine in the first branch pipe can lubricate the urethra to reduce damage to the urethra in the guide-in process of the urethral catheter body, and when the front end of the urethral catheter body enters the bladder, the first liquid outlet is closed, so that the liquid storage bag expands to fix the urethral catheter body, and the urethral catheter body is prevented from falling off.

Examples relate to systems, devices, and methods for removing fluid from a fluid collection device using a vacuum source operably coupled thereto. The fluid collection devices include urine collection devices having shape memory material that may be selectively shaped to complement the female or male anatomy near the respective urethras.

The utility model belongs to the technical field of prostate expansion, and particularly relates to a urinary surgery clinical prostate expansion device which comprises an outer catheter, a guide rod arranged in the outer catheter, a groove formed in one end of the outer catheter and an expansion assembly movably connected to the guide rod. The dilation assembly comprises a sleeve connected to the outer wall of the guide rod in a sliding mode, an air bag arranged on the periphery of the sleeve in a sleeving mode and used for dilating the prostate, a pull rod arranged at the position, close to the interior of the outer catheter, of the sleeve and an assembly arranged at the end, away from the air bag, of the outer catheter and used for limiting the pull rod. Through the arrangement of the expansion assembly, not only can the prostate be expanded, but also the air bag can be retracted into the outer catheter when the expansion equipment is placed and drawn out, so that the urethra is prevented from being damaged in the process of entering and exiting the urethra, and meanwhile, the air bag can be accurately reset when the air bag is used.

The utility model relates to the technical field of medical instruments, in particular to a urethral catheterization device which comprises a urethral catheter and a storage assembly, the storage assembly comprises a hook, a diversion bag and a urine receiving bag, the end, away from the diversion bag, of the urethral catheter is inserted into the bladder from the urethra to guide urine, and the drained urine is guided into the diversion bag through the urethral catheter to be stored. When the urine in the flow guide bag reaches a certain amount and needs to be poured out, the urination opening of the flow guide bag is opened, the urine is guided into the urine receiving bag, after the urine in the flow guide bag is guided out, the urination opening is closed, the urine receiving bag is taken down from the flow guide bag, and the urine is discharged and poured out through the urine receiving bag discharging opening. Urine cannot flow out when catheterization is performed or the urine receiving bag is taken down, and the problem that residual urine flows out to cause environmental pollution when the urine in the liquid storage bag is detached and poured out in an existing catheterization device is solved.

The invention relates to the technical field of intelligent urethral surgical instruments, and particularly discloses a urethral dilation path planning system integrating visual SLAM and force perception, which synchronously acquires image data of the internal environment of the urethra and contact force data between the instrument and tissues through an image sensor and a force sensing unit integrated at the front end of the dilation instrument; constructing a three-dimensional environment model in the urethra by utilizing a visual SLAM technology, and positioning the position of an instrument in real time; the force data and the three-dimensional model are fused to generate a dynamic force distribution diagram, and a safe expansion path is planned based on the distribution diagram and the current position of the instrument; dynamically adjusting the advancing direction and the expansion force of the instrument through a closed-loop control system to enable the instrument to move along a planned path; meanwhile, path deviation and force abnormity are detected in real time through a monitoring mechanism, and model updating and path re-planning are triggered.

The urethra dosing device comprises a syringe, a pushing and injecting mechanism, a medicine guiding pipe, a liquid feeding pipe, an annular plate and a switching assembly, the pushing and injecting mechanism is connected with the syringe, one end of the medicine guiding pipe is fixed to the front end of the syringe, a guiding head is fixed to the other end of the medicine guiding pipe, a dosing hole is formed in the side wall of the medicine guiding pipe, and the liquid feeding pipe is connected with the annular plate. The liquid feeding pipe is sleeved with the medicine guide pipe, one end of the liquid feeding pipe is communicated with the syringe, the annular plate is fixed to the outer wall of the end, close to the guide head, of the liquid feeding pipe in a sleeving mode, an infusion channel is formed in the annular plate, and the switching assembly is used for enabling the infusion channel and the medicine feeding hole to be communicated or disconnected and comprises a sleeve, a plug, an elastic reset piece and a threaded sleeve. The on-off state of the infusion channel and the dosing hole can be controlled through the arranged switching assembly, when the dosing pipe is inserted, the infusion channel and the dosing hole are kept disconnected, bacteria and secretions are prevented from entering liquid medicine, and the infusion channel and the dosing hole are communicated only during dosing.

A urinary dysfunction treatment apparatus is provided. The apparatus comprises an implantable constriction device configured to constrict at least one portion of the tissue wall of a patient's urethra to at least restrict the flow of urine, an operation device for operating the constriction device to change the constriction of the urethra, a control unit for controlling the operation device, wherein the control unit is configured to: control the operation device to constrict the urethra, and control the operation device to release the urethra, and a source of energy for supplying energy to the operation device. The control unit is configured to determine a current state of the source of energy, and wherein the control unit is connected to an internal signal transmitter configured to transmit information related to the current state of the source of energy.

The invention provides in-vitro fixing equipment for a balloon catheter for clinical nursing, and belongs to the field of medical instruments. Comprising a mounting box, a fixing rod is fixedly connected to the inner surface of the mounting box, a first buffering assembly is arranged on the outer side of the fixing rod, the first buffering assembly comprises a winding part and a movable part, and the winding part comprises a movable sleeve rotationally connected with the outer surface of the fixing rod. By arranging the first buffer assembly, the guide pipe is wound and stored through the guide frame, the length of the guide pipe on the outer side of the mounting box is within a proper range, meanwhile, the risk that the guide pipe is accidentally pulled can be effectively reduced, the guide pipe is released through movement of the guide frame, the pulling force borne by the guide pipe is buffered and absorbed, and the service life of the guide pipe is prolonged. Therefore, the pulling force transmitted to the balloon catheter can be effectively reduced, the probability that the balloon catheter damages the bladder and the urethra of a patient when the patient accidentally moves can be reduced, and the comfort of the catheterization equipment in the operation process can be effectively guaranteed.

Systems, devices, and methods are provided for retrieval of an implant from the prostatic urethra. Embodiments of retrieval systems can include a device for insertion into the patient and a proximal control device for use in grasping a portion of the implant and withdrawing the implant into a lumen of the retrieval system.

Disclosed herein are systems, devices, and methods for the removal of objects from the body. The device may be a urethral catheter configured to aspirate kidney stones from the urinary tract through one or more aspiration ports at the distal face or along a lateral side of the catheter. The catheter may include one or more irrigation ports at the distal face or along the lateral side of the catheter for dislodging kidney stones. The device may be steerable. The spatial arrangement of the one or more irrigation ports with respect to the one or more aspiration ports may vary. The device may include an irrigation tube and / or a shield member configured to spatially confine the kidney stones adjacent the catheter. Various temporal patterns of aspiration and irrigation are disclosed for optimizing removal of kidney stones.

The present disclosure relates to techniques for restricting urethra. More specifically, a constriction device is provided, having one or several constriction elements configured to be inflated and thereby expand in a first direction towards the urethra to constrict a first portion of the urethra for restricting the flow of fluid therethrough.

An intermittent urinary catheter (1) comprises an elongate main body (2). The elongate main body has an insertion end (3) for insertion into a urethra and bladder, an outlet end (4) for the outflow of fluid from the catheter, and a lumen (5) extending between the insertion end and the outlet end. The elongate main body also comprises at least one inlet aperture (6) proximal to the insertion end, and an external flushing portion (7) extending along a portion of the elongate main body between the insertion end and the outlet end. The external flushing portion comprises a plurality of elongate eyelets (8) formed through an external surface of the elongate main body.

An intermittent urinary catheter (1) comprises an elongate main body (2) and a funnel (26). The elongate main body has an insertion end for insertion into a urethra and an outflow end. The funnel is provided at the outflow end of the elongate main body. The elongate main body further comprises an external flushing portion (7). The funnel comprises an inlet end (102) and an outlet end (101), and a bore (100) therebetween. The bore comprises an outlet portion (103) from which urine exits the catheter; a connection portion (105), where the elongate main body is connected to the funnel; and a urine collection portion (104), which, in use, collects urine flowing along the outer surface of the elongate main body. The urine collection portion comprises a converging portion (30) of the bore in which the diameter of the bore reduces from the inlet end towards the connection portion.

The application provides a prostate precise puncture system, comprising: an image acquisition module configured to acquire anus image data of a patient; an anus detection module configured to receive the anus image data to detect the anus position of the patient in real time based on the anus image data; the posture adjustment module is configured to control the mechanical arm to perform posture adjustment, so that the mechanical arm pushes the ultrasonic probe to pass through the anus position to obtain prostate ultrasonic image data; and the needle insertion correction module is configured to obtain a needle insertion puncture position based on the needle insertion parameters and transmit the needle insertion puncture position to the posture adjustment module, so that the posture adjustment module performs needle insertion puncture on the focus planning point of the prostate based on the needle insertion puncture position and the prostate ultrasonic image data. The difficulty of manually placing the probe and the posture of the mechanical arm in the prostate puncture operation is improved, the needle inserting position is corrected, the sampling precision is improved, anatomical structures such as the urethra and the pubis are avoided, and the occurrence rate of puncture related complications and the puncture failure rate are reduced.

The invention belongs to the technical field of medical instruments, particularly relates to a urinary surgery calculus flushing device and a use method thereof, and aims to overcome the defects that in the prior art, calculus cannot be collected, and the water pressure of cleaning fluid cannot be adjusted when the calculus is flushed. A handle is fixedly mounted at the bottom of the mounting box, an outer hose is fixedly mounted on the inner wall of one side of the mounting box, one end of the outer hose extends to the outer side of the mounting box, an inner pipe is fixedly mounted in the outer hose, a downpipe is fixedly mounted on the inner wall of the bottom of the mounting box, and the bottom end of the downpipe extends to the position below the mounting box and is fixedly provided with a threaded sealing cover. When calculi in the urethra of a patient are flushed, stamping of cleaning liquid can be adjusted, so that discomfort is not increased when the patient is flushed, meanwhile, the crushed calculi can be sucked out in time, and the crushed calculi can be prevented from remaining in the urethra of the patient.

The invention discloses a multi-channel liquid output monitoring device capable of identifying colors, and relates to the technical field of medical devices. One end of a catheterization channel enters a bladder through a urethra, and the other end of the catheterization channel is communicated with a urine storage bag; the urine flow of the urine guide channel is monitored through a flow sensor, and the urine color of the urine guide channel is monitored through an optical sensor; comparing with a normal urine standard range; when the monitored urine flow and / or urine color exceed a normal range, an alarm is given out through the alarm device to remind medical staff and / or a patient to pay attention and treat; a plurality of branch channels are further arranged on the urinary catheterization channel, each branch channel is provided with a first switch, and when it is recognized that the urine flow and / or the urine color are / is abnormal, the first switch is turned on, so that urine enters the branch channels for sample reserving, and it is avoided that it is difficult to observe and sample the urine at the same time or at different time periods; the branch channels are opened when urine is recognized to be abnormal, so that the abnormal urine is pertinently stored, and the number of the branch channels is effectively reduced.

The invention discloses a prostate ablation operation needle insertion position construction method and a navigation system, and the method employs a three-dimensional model constructed by an MRI image, and determines the position of a needle insertion point and the number of inserted needles according to the ratio of the longitudinal axis distance between cystamen and verufugu to the diameter of a cylinder of single ablation needle ablation. If the upper and lower diameters of the prostate lateral lobes of the horizontal section corresponding to a single needle insertion point are smaller than 4cm, one needle is inserted into the horizontal plane; if the upper diameter and the lower diameter are greater than or equal to 4cm, entering two stitches; if the maximum diameter of the prostate lateral lobe at a certain longitudinal axis position in the horizontal direction is larger than 1 cm, a needle inserting point is additionally added, and if the length of the part protruding to the middle lobe of the bladder is larger than 1 cm, the needle inserting point is additionally added. The needle inserting point is utilized to enter a surgical navigation system, and the operation is accurately carried out in a unified mode under the guidance of the navigation system. A good treatment effect can be achieved when the hot steam ablation needle is punctured into a hyperplastic prostate near the urethra through the needle insertion point for ablation, the needle insertion point is constructed on the coronal section to ensure the ablation range, and the surgical risk is reduced.

The visual balloon type urethral dilation device comprises a urethral endoscope and a balloon dilator arranged in the urethral endoscope in a penetrating mode, and the urethral endoscope and the balloon dilator are matched with the urethra of the human body. The observation field of view of the urethra endoscope covers the dilation balloon of the balloon dilator, and visual dilation of the dilation balloon is achieved. The balloon dilator is provided with an independently-controlled fixing balloon, the fixing balloon and a balloon-shaped cavity in the urethra endoscope probe form a detachable fixing structure, the balloon dilator can penetrate through a middle shaft of the probe to move axially when fixing is removed, and the guiding function of the probe is achieved. The balloon dilator can be used in a disposable mode, and cross infection is prevented. And the probe is provided with a panoramic camera and a light supplementing lamp which are symmetrical, so that the visualization precision is improved. The urethra dilatation operation accuracy, safety and diagnosis and treatment efficiency are greatly improved from the aspects of high visualization, dilatation precision adjustment and the like.

The invention relates to the technical field of nutritional supplements, and discloses a pet nutritional supplement capable of improving immunity, which is prepared from the following raw materials in parts by weight: 35 to 45 parts of taurine, 5 to 8 parts of natural lutein, 10 to 30 parts of chondroitin sulfate, 10 to 20 parts of water, 20 to 30 parts of corn starch, 10 to 20 parts of semen plantaginis and 30 to 50 parts of microbial fermentation products. The 35-45 parts of taurine and the 10-30 parts of chondroitin sulfate can be selected from one or more of sardine powder, black and white fish powder, beef powder, pig powder, chicken powder and the like. According to the pet nutritional supplement capable of improving immunity and the preparation method thereof, the semen plantaginis is added into the raw materials, so that the pet kidney can be promoted to generate more urine, urethra flushing is facilitated, bacterium breeding is reduced, and urinary system infection is prevented, and the taurine is added, so that heart condition improvement, brain development promotion and retina protection are facilitated. When the pet supplement is prepared, the pet supplement is prepared by using a freeze-drying machine, so that the loss of nutrient substances is reduced.

This present disclosure provides devices, systems, and methods for the treatment of conditions pertaining to bladder control. In particular, the present disclosure provides devices, systems, and methods directed to the application of electrical stimulation to the proximal urethra and associated nervous tissue to elicit voiding contractions that normalize bladder function.

The invention relates to the technical field of medical instruments, and provides a medical urinary surgery dilation drainage device which comprises a dredging rod, a balloon mechanism and a clamping mechanism, the end, away from an air bag, of a ureter is detachably connected with a main body of a Y-shaped handle, and the dredging rod is made of soft elastic materials and is arranged in a three-section mode; the balloon mechanism is used for expanding in the urethra to extrude the urethra, the end, fixedly connected with the dredging rod, of the balloon mechanism extends out of the end, away from the Y-shaped handle, of the ureter, the balloon mechanism and the dredging rod extend out of the Y-shaped handle at the two branches of the Y-shaped handle correspondingly, and when the dredging rod and the balloon mechanism slide relatively, the balloon mechanism can expand to expand the urethra. The ureter can be pushed to move by pushing the Y-shaped handle, the dredging rod and the balloon mechanism can be pulled out of the ureter, and by means of the technical scheme, the problem that in the prior art, when urinary tract drainage is conducted, the urethra can be damaged many times in the urinary tract expansion process is solved.

The present invention provides a diagnostic controllable catheter device suitable for use within a user's urethra and bladder, the device is suitable for diagnosing various bladder and urine conditions and for controlling the emptying of the bladder, a kit comprising the same, and a method of use.

The utility model discloses a prostate steam ablation system. The system includes an introducer sheath for transurethral access into the body of a patient, a handle coupled to the introducer sheath, a vapor generator disposed in the handle and configured to generate condensable vapor, the steam conveying needle is communicated with the steam generator and is arranged in the guide tube sheath in a sliding manner; the micro servo electric cylinder is attached to the steam conveying needle and is used for driving the steam conveying needle; and guide tube sheath scales are engraved on the outer wall of the guide tube sheath along the length direction of the guide tube sheath. According to the prostate steam ablation system, the guide tube sheath scales are additionally arranged on the outer wall of the guide tube sheath, so that the surgical operation of a doctor can be greatly facilitated, reference is provided for the spacing distance of puncture needles, the defect that the doctor performs operation completely depending on experience is overcome, and the application prospect is good.

The invention relates to a wireless intelligent control drug release bladder floating instrument system. The bladder floating instrument comprises a shell, a driving module, a control module and a power supply module, the shell is used for entering the bladder through the urethra and suspending in the bladder liquid, and at least one medicine cavity used for containing medicine and an air cavity used for providing suspension force for suspending the whole bladder floating instrument in the bladder liquid are arranged in the shell. According to the drug release bladder floating instrument suspended after being placed in the bladder, bladder drug release can be conducted repeatedly, regularly and quantitatively according to needs after the bladder floating instrument is placed in the bladder. And finally, the bladder floating instrument is taken out from the bladder. Only two catheterization operations are carried out in the whole treatment process. Compared with existing bladder perfusion treatment, repeated, long-term and invasive urethral catheterization operation is avoided, and therefore huge pain caused by bladder perfusion treatment to a patient is reduced.

Aspects of the present invention relate to a delivery device for locating an expandable implant for treating BPH within the prostatic urethra of a patient. The delivery device comprises an inner tube and an outer sleeve movable relative to the inner tube between a stored position and a deployed position. The outer sleeve surrounds the inner tube to define an annulus therebetween and the expandable implant is retained within the annulus when the outer sleeve is in the stored position.

The invention relates to the technical field of silica gel catheter pressure adjustment, in particular to a pressure self-adaptive adjusting system for a silica gel catheter, and the system is provided with a silica gel catheter monitoring module, a pressure sensing module, a pressure adjusting module and an adjusting early warning module. The performance of the catheter can be accurately evaluated, the pressure data of the area to which each catheter belongs can be monitored in real time, the pressure abnormity of the catheter in the simulated use process can be found in time, and the catheter fault caused by the pressure abnormity can be avoided; the pressure in the catheter can be adjusted according to the simulated pressure in the bladder and the simulated pressure in the urethra of the catheter, meanwhile, adjustment data in the pressure adjustment period of each catheter are obtained, the change condition of the pressure of the catheter can be monitored in time, and the timeliness and safety of pressure adjustment of the silica gel catheter are improved.

An implant is for the prostatic urethra of a subject, the implant including a first frame being closed-shaped, the first frame includes two longitudinal sections; a second frame being closed-shaped, the second frame includes two longitudinal sections, wherein a mid-portion of one of the longitudinal sections of the first frame is connected in at least one of: directly and indirectly, to a mid-portion of one of the longitudinal sections of the second frame; and a third frame being distinct from the first frame and the second frame, the third frame includes a first arm section joined to the first frame, and a second arm section joined to the second frame, the first arm section and the second arm section extend such to be joined together in an apex portion.