569 results about "Urethra" patented technology

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

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 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.

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 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 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.

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 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.

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.

An implantable constriction device (10) for constricting a urethra (U) of a patient. The implantable constriction device (10) has at least one operable hydraulic constriction element (101a) configured to be inflated to constrict the urethra (U) for restricting the flow of urine therethrough, and a controller for controlling the inflation of the at least one operable hydraulic constriction element (101a).

Systems, devices, and methods are provided for the delivery of an implant into the prostatic urethra. Embodiments of delivery systems can include a delivery device for insertion into the patient and a proximal control device for use in controlling release of the implant from the delivery device.

The invention provides a prostatic hyperplasia cutting device which comprises a supporting body, a cutting part is arranged in the supporting body, and the cutting part can automatically cut prostatic hyperplasia tissue to be cut; the supporting main body is further provided with a flushing pipeline and a negative pressure adsorption pipeline, and the output end of the flushing pipeline is close to the cutting part so as to provide flushing fluid to flush the cutting area; the adsorption end of the negative pressure adsorption pipeline is close to the cutting part, a mixture of cut tissue and flushing fluid in a cutting area is sucked out through negative pressure, the cutting part automatically cuts the prostatic hyperplasia tissue, the cutting efficiency is greatly improved, and therefore the flushing time of the flushing fluid can be shortened, and the cutting efficiency is improved. The problems of water poisoning, hyponatremia and the like caused by continuous flushing of flushing fluid are avoided. In addition, the supporting body can rotate in the circumferential direction, so that rotation can be achieved, benign prostatic hyperplasia tissue can be rapidly and accurately cut off, the smooth urethra can be rebuilt, the operation time is shortened, and the occurrence of adverse flushing fluid absorption events is reduced.

The disclosure relates to apparatus and methods for managing a shape of a junction between a bladder and urethra, for example, to promote urinary continence after a prostatectomy.

The invention provides a postoperative hemostasis device for urethral surgery through a vaginal incision, and belongs to the technical field of postoperative hemostasis. Comprising a bearing frame, a mounting hole is formed in the inner side of the bearing frame, and a balloon group is inserted into the mounting hole. When in use, the device is placed in the vagina of a patient, is connected with an external air supply hose through the first threaded connector, inflates the corrugated telescopic balloon to expand and push the top pressure balloon to reach a wound, then connects the air channel pipeline to the second threaded connector, supplies air to the pressure balloon to extend, and rotates the balloon group to enable the antibacterial pad to be attached to the wound. The first one-way valve and the second one-way valve ensure one-way ventilation of the threaded connector, after wound rehabilitation, the second one-way valve is screwed off, the pressure balloon shrinks, the device can be conveniently pulled out, adverse effects of dressings such as gauze on the vagina and the wound are effectively avoided, and extra pain of a patient in the dressing replacing process is relieved; a safe and effective earlier-stage treatment and later-stage removal mode is provided for wound healing after an operation.

A catheter insertable into a urethra for installation in a user's bladder and urethra, the catheter comprising: a urine conduit comprising a first urine inlet and a urine outlet; and an inlet protector extending outwardly from the urine conduit from a position between the first urine inlet and the urine outlet, where the inlet protector functions to protect the urine inlet by separating it from contact with the bladder wall and thus keeping it out of contact with tissue.

The invention discloses a perineal pelvic floor color ultrasound examination system and a use method thereof, and relates to the technical field of color ultrasound examination.An image optimization module automatically adjusts gain, contrast, filtering and tissue harmonic imaging modes, and a three-dimensional imaging module is used for capturing changes of pelvic floor muscles in resting and moving states; the data analysis module combines the optimized ultrasonic image data and muscle dynamic information to intelligently evaluate the image quality, automatically calculates the bladder neck activity, the urethra rotation angle and the pelvic floor muscle thickness in a high-quality image, and provides an abnormal marking prompt; the user interaction module realizes visual display of ultrasonic images and analysis results, supports a doctor to input patient information, and improves operation convenience and diagnosis accuracy; the whole system optimizes the visualization ability of an anatomical structure, reduces artifact interference, improves the evaluation accuracy of pelvic floor dysfunction, provides more reliable data support for a personalized treatment scheme, and finally improves the clinical diagnosis and treatment efficiency.

It is an object of the disclosed technique to provide methods and systems for a prostatic urethra implant for treating prostate enlargement when both the lateral lobes and the median lobe enlarge

The utility model relates to the technical field of medical care, and discloses a urinary catheter traction device after urinary surgery, which comprises a urethra traction device main body, the top of the urethra traction device main body is fixedly connected with a top plate, and the left side of the urethra traction device main body is fixedly connected with a mounting plate. And a first bolt is rotationally connected to the interior of the mounting plate, and a push plate is mounted at the top of the first bolt. According to the urinary catheter traction device after the urinary surgery operation, the urethra traction device body and the top plate are used in cooperation, meanwhile, a first bolt is rotated through a mounting plate, so that a push plate is pushed to move, the device can be fixed to a sickbed when the push plate moves, and meanwhile, a sliding groove is formed in the bottom of the urethra traction device body, so that the urethra traction device is convenient to use. An inserting plate can be inserted into the sliding groove, so that when the second bolt is rotated, the height of the inserting plate can be adjusted, and a urine bag can be placed on the top of the inserting plate.

An implant for the urethra of a subject, the implant including at least two struts, an anchor, and at least one drug dispensing wire, the at least two struts extending longitudinally between a proximal end and a distal end of the implant, each of the struts being flexible between a compressed configuration that enables delivery of the implant to a stricture in the urethra, and an expanded configuration that facilitates expansion of the stricture; the anchor extending outwardly from at least one of the proximal end the distal end, for anchoring the implant; the least one drug dispensing wire, adjoined to and extending longitudinally along, at least one of the struts, the drug dispensing wire is embedded with a drug for releasing into the urethra.

A method for expanding a constricted location of a urethra of a subject, the method including inserting a urethral implant, and an implant sheath that covers the urethral implant, through the urethra for implanting the urethral implant in the constricted location, the urethral implant being in a compressed configuration within the implant sheath, releasing the urethral implant from the implant sheath until the urethral implant exits from the implant sheath, thereby expanding the urethral implant from the compressed configuration to an expanded configuration, applying, by the urethral implant, continuous pressure on tissues of the urethra at the constricted location, and retracting the implant sheath from the urethra.

The invention discloses a retention enema device, and belongs to the technical field of retention enema. Comprising a three-cavity urinary catheter, an air bag device, a medicine treatment device, a speed adjusting device and a sealing cap, wherein the three-cavity urinary catheter is placed in the anus for flushing, urine drainage and medicine conveying; the air bag device is used for preventing urine from flowing out; the medicine treatment device is used for conveying and treating medicine; according to the device, the bladder of a patient can be flushed through the three-cavity urinary catheter, urine in the bladder can be drained and collected, medicine can be conveyed into the bladder in an injection and infusion mode, the medicine can be injected into the rectum or colon through the anus of the patient, and the treatment purpose is achieved through intestinal mucosa absorption; and in the medicine conveying process, the conveying speed of medicine conveying can be correspondingly adjusted according to the use types of the medicine and the treatment condition of the patient, so that the medicine treatment operation of the patient is more convenient.

An urinary bag reducing urine blockage includes an urinary bag body having a through bore, a catheter, and a bend preventing tube. The catheter has one end connected with an urethra of a user, and the other end passing through the through bore of the urinary bag body. The bend preventing tube has a flow bore therein, and includes an insertion part and a supporting part. The catheter is in communication with the flow bore and mounted around the insertion part. The insertion part, keeps the catheter to be straight. The supporting part is located inside the urinary bag body. The outer diameter of the supporting part is larger than the outer diameter of the insertion part. The supporting part supports the interior of the urinary bag body. Thus, the bend preventing tube prevents the catheter and the urinary bag body from bending to cause urine blockage, ensuring smooth urine drainage.

Aspects of the present invention relate to a method 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 moveable 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.

Systems, devices, and methods are provided for the delivery of an implant into the prostatic urethra. Embodiments of delivery systems can include a delivery device for insertion into the patient and a proximal control device for use in controlling release of the implant from the delivery device.

The utility model relates to a ureter traction fixing device which comprises a cover body part, the cover body part is provided with an arc face structure, the top face of the arc face is used for abutting against the penis head of a patient to provide a fixing function, and a first hole for a catheter penetrating out of the penis of the patient to penetrate through is reserved in the cover body part. The cover body part can be detachably installed on the surface of the catheter in a sleeving or clamping mode, the near end of the catheter is provided with a balloon used for exerting compression force on a urethral wound of a patient, an opening of the arc face of the cover body part faces the end away from the balloon, and under the condition that the cover body part is arranged on the surface of the catheter in a sleeving mode, the balloon faces the end away from the balloon. The wall thickness of the cover body part at the first hole is larger than that at the edge position of the arc surface structure, and a flange which shrinks inwards in the radial direction of the catheter is arranged at the first hole.