270 results about "Prostate gland" patented technology

The prostate anchoring part conveying system comprises a conveying handle and a conveying pipeline, the conveying handle comprises a conveying box body and a mounting base plate in the conveying box body, one side of the mounting base plate is slidably connected with a driving sliding plate, and a needle sliding block, a wire coil and a wire driving mechanism are arranged on the driving sliding plate; a driving disc, a driving piece and a trigger in transmission connection with the driving piece are arranged on the other side of the mounting base plate; the conveying pipeline comprises a puncture needle pipeline and an endoscope pipeline, and a puncture needle in transmission connection with the needle sliding block is contained in the puncture needle pipeline; an anchoring implant is wound on the wire coil and comprises a plurality of groups of anchoring part single bodies which are connected in sequence; the trigger is gradually pulled to drive the driving piece to rotate and drive the driving disc to gradually rotate by a certain thread in the circumferential direction, the driving sliding plate is correspondingly driven to be located at different excitation positions of the installation base plate, the puncture needle is driven to conduct puncture or contraction action, or the thread driving mechanism is driven to move forwards. Implantation of the anchoring implant can be continuously achieved, and the operation duration is greatly shortened.

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 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.

To provide drug-coated balloon catheters for treating, preventing or reducing the recurrence of a stricture and / or cancer, or for treating benign prostatic hyperplasia (BPH), in a non-vascular body lumen, and methods of using the same.SOLUTION: A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent. In some embodiments, the balloon catheter includes a length-control mechanism, which stretches and elongates the balloon when it is in a deflated state, giving the balloon a smaller cross-sectional deflated profile for tracking through the body lumen and for removal after treatment.SELECTED DRAWING: Figure 5A

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 provides a prostate stent which comprises a stent body and a pull rope, the stent body is made of shape memory alloy and comprises at least three supporting ridges extending in the longitudinal direction, and the far ends of every two adjacent supporting ridges are connected through a far side connecting part; the near ends of every two adjacent supporting edges are connected through a near side connecting part. The far end of each pull rope is independently connected with one near side connecting part, the near ends of all the pull ropes are gathered at the far end of the same traction rope, and the support body is folded through the pull ropes.

Minimally invasive treatment methods for benign prostatic hyperplasia (BPH) tissue are disclosed. A system includes a sustained release solid formulation comprising a cytostatic or cytotoxic drug, and an applicator or delivery system for local delivery of a composition comprising the sustained release solid formulation to the prostate.

A vapor delivery system and method is provided that is adapted for treating prostate tissue. The vapor delivery system includes a vapor delivery needle configured to deliver condensable vapor energy to tissue. In one method, the vapor delivery system is advanced transurethrally into the patient to access the prostate tissue. The vapor delivery system is properly positioned by measuring and advancing the system based on a field-of-view of an endoscope or camera disposed within the system.

This application relates to solabegron zwitterion useful for the treatment of lower urinary tract symptoms such as, for example, overactive bladder and prostate disorders. Additionally, this application relates to pharmaceutical compositions and methods of treatment utilizing the solabegron zwitterion for treating lower urinary tract symptoms. This application also relates to methods of preparing solabegron hydrochloride from the solabegron zwitterion.

A prostate therapy system is provided that may include any of a number of features. One feature of the prostate therapy system is that it can access a prostate lobe transurethrally. Another feature of the prostate therapy system is that it can deliver condensable vapor into the prostate to ablate the prostate tissue. Methods associated with use of the prostate therapy system are also covered.

Apparatus and methods are described for dilating a portion of a urethra surrounded by an enlarged prostate. The apparatus includes dilation device, and a delivery device including a balloon. The delivery device is configured to deliver the dilation device and the balloon to the portion of the urethra, while the dilation device is disposed in a helical configuration on the delivery device. Upon the balloon and the dilation device being disposed at the portion of the urethra, the delivery device is configured to expand the balloon, thereby expanding the portion of the urethra, and to cause the dilation device to radially expand from the helical configuration to an arc configuration. Subsequently, the delivery device is configured to implant the dilation device, from outside the balloon, into tissue of the prostate surrounding the portion of the urethra, while the portion of the urethra is expanded by the balloon.

Minimally invasive treatment methods for benign prostatic hyperplasia (BPH) tissue are disclosed. A system includes a sustained release solid formulation comprising a cytostatic or cytotoxic drug, and an applicator or delivery system for local delivery of a composition comprising the sustained release solid formulation to the prostate.

The invention relates to the technical field of medical instruments, in particular to a dual-purpose integrated ultrasonic probe for perineum and rectum prostate puncture. Comprising an ultrasonic sleeve and an ultrasonic probe arranged at the head end of the ultrasonic sleeve, the ultrasonic sleeve comprises an inner sleeve and an outer sleeve which are arranged in a sleeved mode, and the inner sleeve and the outer sleeve achieve length adjusting and limiting through a limiting assembly; a regulation and control assembly is arranged outside the inner sleeve, a plurality of puncture assemblies are fixedly connected to the regulation and control assembly, and the puncture assemblies are gathered and dispersed through the regulation and control assembly. The length of the ultrasonic sleeve can be adjusted through sleeving of the inner sleeve and the outer sleeve, limiting and fixing of the ultrasonic sleeve after adjustment can be achieved through arrangement of the limiting assembly, and then the stability of the ultrasonic sleeve in the using process is improved; the technical problem that ultrasonic probes of different models need to be replaced when needles are inserted through different paths in the prior art is solved. The regulation and control assembly controls the puncture assembly to achieve gathering and dispersing, and then the technical effect of focus target point multi-point puncture is achieved.

The utility model provides a balloon assembly for dosing prostate, which comprises a balloon catheter, a positioning balloon fixedly arranged at the far end of the balloon catheter, and an olive-shaped balloon adjacent to the positioning balloon and fixedly arranged on the balloon catheter, a pharmaceutical composition layer is arranged on the outer surface of the olive-shaped balloon, and the positioning balloon is fixedly arranged on the balloon catheter. The positioning balloon is used for being arranged in the bladder of a patient and used for positioning the balloon catheter, and the olive-shaped balloon is used for being arranged in the prostate of the patient and used for expanding and dosing the prostate by making contact with the inner wall of the prostate. Wherein the positioning balloon and the olive-shaped balloon are both non-compliant balloons or low-compliant balloons. The balloon assembly is combined with an existing instrument to treat prostate diseases, the narrow urethra of the benign hyperplasia section of the prostate can be safely expanded, restenosis of the urinary tract is reduced, and the purpose that a patient normally urinates is achieved.

A vapor delivery system is provided that may include any of a number of features. One feature of the vapor delivery system is that it can apply condensable vapor energy to tissue, such as targeted tissue within a prostate, to shrink, damage, or denature the targeted tissue. In some embodiments, the vapor delivery system can include safety features including prostate capsule detection, needle alignment, deployment, and tracking, and treatment tracking. Mechanisms and methods for safe and effective treatment of prostate tissues are described herein.

A system may include an ultrasound probe and a controller unit configured to aim the ultrasound probe to transabdominally image a patient's prostate and obtain a transabdominal image of the patient's prostate using the aimed ultrasound probe. The controller unit may be further configured to perform a segmentation process on the obtained transabdominal image of the patient's prostate using a trained machine learning model to identify a boundary of the prostate in the transabdominal image of the patient's prostate.

The utility model discloses a prostate puncture ultrasonic probe fixing and adjusting device, which relates to the field of adjusting devices and comprises a probe rotating and fixing mechanism used for mounting an ultrasonic probe and a multi-axis fine adjustment mechanism connected with the probe rotating and fixing mechanism and used for adjusting the ultrasonic probe. The multi-axis fine adjustment mechanism comprises an axial adjustment assembly, a ball head adjustment assembly and a fixing mechanism installation assembly, and the axial adjustment assembly comprises a Z-axis adjustment component and an X-axis and Y-axis adjustment component installed on the Z-axis adjustment component. By arranging the multi-axis fine adjustment mechanism and the probe rotating and fixing mechanism, the existing structure is optimized, the probe rotating and fixing mechanism uses a probe locking nut to firmly press a probe and the probe rotating and fixing mechanism together, and the problems that in original installation, a screw needs to be screwed manually for fixation, and the loosening risk exists are solved. And the part without sharp protrusion does not scratch a patient during use.

The utility model discloses a disposable prostate puncture sampling device, which relates to the technical field of medical instruments, and comprises a sleeve, the front end of the sleeve is fixedly connected with a sampling rod, the rear end of the sleeve is fixedly connected with a positioning sleeve, and the rear side of the sleeve is provided with a puncture sampling assembly. The front side of the outer wall of the puncture sampling assembly penetrates into the sleeve, a connecting plate is arranged on the rear side of the outer wall of the puncture sampling assembly, pull rings are fixedly connected to the left side and the right side of the front end of the connecting plate respectively, a fixing ring is fixedly connected to the rear side of the outer wall of the sleeve, and a positioning bolt is arranged at the top of the fixing ring. According to the utility model, the sampling needle is arranged in the sampling rod, the air bag ball is pressed and clenched, and when the sampling rod is inserted into the anus of a patient, the sampling needle is pushed forwards to the front end of the sampling rod, so that the sharp end of the sampling needle is far away from the body surface of the patient and other tissues far away from the prostate in the body; and sampling can be carried out by loosening the air bag ball.

The present invention is related to a device and a system for voiding dysfunction diagnosis. By detecting a vibration signal generated by the urine from a patient who suffers from urinary dysfunction, the present invention could efficiently and accurately detect and monitor the condition of the patient. The present invention can be introduced to actual clinical applications achieving continuous monitoring urination status for the patient for home care. The present invention could also provide urinary medication efficiency or urinary status of the patient before or after prostate surgery.

A vapor delivery system and method is provided that is adapted for treating prostate tissue. The vapor delivery system includes a vapor delivery needle configured to deliver condensable vapor energy to tissue. In one method, the vapor delivery system is advanced transurethrally into the patient to access the prostate tissue. The vapor delivery system is properly positioned by measuring and advancing the system based on a field-of-view of an endoscope or camera disposed within the system.

The invention provides a prostate migration area steam ablation planning method and system based on a medical image. The method comprises the steps that a three-dimensional space is constructed by obtaining the medical image, slices are divided in a prostate migration area, a coordinate system is constructed on each slice with the urethra projection center as the original point, and the ablation ball center and the needle point position are determined; generating an ablation ball, intersecting the ablation ball with the migration area, and judging whether the ablation ball is reserved or not according to an intersection proportion; an ablation area is further judged and planned, ablation planning is completed, and an ablation gun is helped to be guided. By means of the prostate migration area precise segmentation and ablation ball planning technology, precise positioning and ablation scheme design of the prostate migration area are helped to be achieved, the operation precision and safety are improved, the complication risk is reduced, and the prostate migration area precise segmentation and ablation ball planning method has important clinical application value.

The application is a urethral catheter with conductive structure, which comprises a flexible catheter, the flexible catheter enters the human bladder through the urethra, the outer surface of the flexible catheter is partially provided with a conductive structure, the conductive structure is arranged at the prostate part of the outer distal end of the flexible catheter to assist freezing and electric ablation, the flexible catheter is internally provided with a liquid guide channel and a liquid guide opening is arranged at the distal end of the flexible catheter, the urethral catheter has a temperature protection effect, a temperature protection channel is divided into a liquid inlet channel and a liquid outlet channel by an inner sleeve and an outer sleeve, a surface electrode on the outer wall of the inner sleeve is connected to the circuit of a host, and the conductive structure only conducts electricity and does not have an electrochemical reaction. The application is used for cooperating to complete electric effect or electric ablation diagnosis and treatment effect and freezing, radio frequency and microwave and other thermal ablation, can avoid cold and hot damage or electric damage to the urethra or the prostate, has a temperature adjusting function and a simple structure and is easy to adjust and control.

The present disclosure relates to a gastrointestinal delivery device of a chitosan dressing, where the delivery device is capable of stop bleeding, in particular in connection with TURP procedures. The delivery device may be used in all gastrointestinal bleeding applications and can be used with a biocompatible, foldable, thin profile, chitosan dressing. Various aspects of the device and its uses are provided herein.

A system for controlled neuromodulation procedures is disclosed. A system for controlled micro ablation procedures is disclosed. Systems and methods for imaging, monitoring, stimulating, and / or ablating neurological structures coupled to one or more organs of the lower urinary tract (LUT) are disclosed. Such processes may be used to alter the hormonal secretions from one or more organs, to modulate the growth of an organ, alter the growth rate or rate of perineural invasion of a tumor, or the like. In particular such processes may be used to slow, halt and / or reverse the growth of a prostate gland or a prostate tumor.

1. Name of the product in this design: Prostate Massager. 2. Purpose of this design: A massager for massaging the prostate. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A system for controlled neuromodulation procedures is disclosed. A system for controlled micro ablation procedures is disclosed. Systems and methods for imaging, monitoring, stimulating, and / or ablating neurological structures coupled to one or more organs of the lower urinary tract (LUT) are disclosed. Such processes may be used to alter the hormonal secretions from one or more organs, to modulate the growth of an organ, alter the growth rate or rate of perineural invasion of a tumor, or the like. In particular such processes may be used to slow, halt and / or reverse the growth of a prostate gland or a prostate tumor.

In some embodiments, the present invention provides a device wherein the device comprises a muscle stimulator configured to be attached to perineal skin surfaces and other skin surfaces of a subject who wishes enhanced orgasm wherein the muscle stimulator comprises electrodes configured to be attached to the perineal skin surfaces and other skin surfaces of a subject who wishes enhanced orgasm. The electrodes are configured to percutaneously send electrical or magnetic impacts to globular cavernous muscles and / or seminal vesicles and / or prostate of a subject, wherein the percutaneously sent impacts are configured to enhance and / or prolong male orgasm.

The invention provides an ablation device and a prostate tissue ablation system.The ablation tissue comprises a head electrode assembly, a needle electrode assembly and a handle assembly, the head electrode assembly comprises a head end main body and an outer tube which are connected with each other, the head end main body is arranged at the far end of the outer tube, a head electrode is arranged at the far end of the head end main body, and the needle electrode assembly is arranged on the outer tube. A needle electrode channel is arranged in the outer tube, the needle electrode assembly is contained in the needle electrode channel, the needle electrode assembly comprises at least one needle electrode, and the needle electrode assembly extends out of the side face of the ablation device based on operation on the handle assembly. According to the embodiment of the invention, the interventional operation of entering the urethra through a natural orifice and operating under a visual working condition and adopting an irreversible electroporation steep pulse electric field with tissue selectivity can be realized, so that the operation efficiency and the operation safety and effectiveness are greatly improved.

A medical water jet scalpel system is provided with an insertion part and a handle part connected to the near end of the insertion part, and the medical water jet scalpel system comprises a water jet scalpel assembly, a laser assembly and a suction control assembly. The water jet assembly comprises a water jet channel penetrating through the insertion part and the handle part and is configured to output jet flow; the laser assembly comprises a laser channel penetrating through the insertion part and the handle part and is configured to output laser energy; the aspiration control assembly includes an aspiration channel through the insertion portion and the handle portion configured to aspirate fluid. According to the medical water jet scalpel instrument, the water jet scalpel technology and the laser technology are combined, prostate tissue excision can be carried out under the condition of no thermal damage, and meanwhile hemostasis is achieved; in addition, the medical water jet scalpel instrument can complete the whole operation at the same time, surgical instruments do not need to be replaced midway, operation is easy, and the learning curve is short.

A method and a system for navigation and / or control support for transurethral prostate resection, the method including: analyzing endoscopic images provided by a resectoscope and / or additional sensory data from within the resectoscope during TURP for one or more of several options, and at least one of: automatically disabling HF current to the resection electrode under several different outcomes of the analyzing, and outputting visual and / or acoustic information to an operator performing the TURP. The information including at least one of: a visual indication of an anatomical landmark inside and / or outside of the endoscopic image, a visual indication of a distance of the resection electrode to an anatomical landmark, and a visual or acoustic warning signal when the resection electrode comes closer than a predetermined allowable distance to one or more of the bladder neck, the verumontanum and the internal and / or external sphincter muscles.