122 results about "Prostatic Gland" patented technology

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.

This invention relates to a non-invasive predictive kit and method for the progression of benign prostatic hyperplasia (BPH) based on prostatic fluid. The invention provides the application of FGF9 as a non-invasive predictive biomarker for the progression of BPH based on prostatic fluid, wherein the concentration of FGF9 in prostatic fluid serves as an indicator of BPH progression. The invention also provides a method for detecting the concentration of FGF9 in prostatic fluid for non-disease diagnostic purposes. Compared with existing technologies, the non-invasive BPH detection method based on prostatic fluid of this invention has advantages such as non-invasiveness, accuracy, simplicity, practicality, and scalability, and is expected to be widely used in the clinical diagnosis and treatment of prostate diseases.

The prostate stent conveyor with the balloon particularly relates to the technical field of medical instruments and comprises an outer tube, an inner tube coaxial with the outer tube is arranged in the middle of an inner cavity of the outer tube, the inner cavity at the left end of the inner tube is rotationally connected with a rotating assembly, and the right end of the rotating assembly is fixedly connected with a sliding assembly. The middle of the sliding assembly is fixedly connected with a guide rod, the outer surface of the guide rod is sleeved with an elastic assembly, a first guide pipe is arranged in an inner cavity of the inner pipe, the right end of the first guide pipe is fixedly connected with a balloon communicated with the inner cavity, and the inner wall of the outer pipe is fixedly connected with a guide-in assembly. According to the prostate stent conveyor with the balloon, a prostate stent can be fixed in the inner tube to be conveyed by arranging the inner tube, the stent is prevented from damaging prostate tissue of a patient in the conveying process, the stent can be fixed in the conveying process by arranging the balloon, after the stent is conveyed to a set position, the balloon is blown firstly, and then the balloon is blown to the set position. Therefore, the pain of the patient can be relieved.

The invention provides a prostate stent conveying system. The prostate stent conveying system comprises a prostate stent, a tube body, a first liquid channel, a second liquid channel, a limiting assembly and an indicating assembly. The limiting assembly comprises a slender component, the slender component can be movably arranged in the tube cavity in a penetrating mode in the axial direction, the slender component can be switched between a limiting state and an unlocking state through axial movement of the slender component, and when the slender component is in the limiting state, the far end of the slender component extends out of the tube body and locks the prostate stent on the tube body; when the long and thin component is in the unlocking state, the far end of the long and thin component retracts into the tube body to allow the prostate stent to be released at the target position, and the indicating assembly is arranged on the tube body and used for indicating the placement position of the prostate stent.

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

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.

The application discloses a high-compliance temporary prostatic urethral stent with a cordless recovery system and belongs to the field of medical devices, which comprises a stent, a connecting sleeve is arranged on the stent, a guide wire is detachably arranged on the connecting sleeve, and a connecting line is arranged in the guide wire; a storage fixing sleeve is arranged on the outer side of the stent, the stent is stored in the storage fixing sleeve in an initial state; and a recovery system is further included, and the stent and the mechanical structure of the recovery system form a releasable locking cooperation in a recovery stage. The cordless magnetic recovery system is adopted to eradicate the pain and the risk of retrograde infection caused by the indwelling suture line; the magnetic-attraction mechanical double locking cooperation self-adaptive multi-claw probe realizes accurate capture under blind vision; the asymmetric cross-section wire is adopted for the stent body to improve the circumferential flexibility while providing sufficient radial support; and the flexible connecting anchor leaf can be self-adaptive to the asymmetric bladder neck dissection, can disperse stress and can avoid tissue stimulation and damage.

A delivery device for positioning an implantable expander to a target location in a prostatic urethra. An implantable biocompatible expander suitable for implantation into a urinary duct is resiliently deformable from a relaxed radially expanded orientation to a radially contracted orientation suitable for transluminal delivery through the urinary duct. The expander may be configured to exert an outward radial force against a wall of the urinary duct when in-situ within the urinary duct. In particular, the expander is suitable for treatment of benign prostatic hyperplasia and configured for implantation into the prostatic urethra between, and substantially spanning the prostatic urethra between, the bladder neck and external sphincter.

The invention relates to the technical field of medical equipment, and provides a prostate steam ablation control method and device and a storage medium, and the control method comprises the steps: controlling a water supply part to supply sterile water to a steam generation pipe according to a first water pushing speed, and controlling a heating assembly to heat the steam generation pipe at a first power, sterile water in the steam generation pipe is preheated to a target temperature; controlling the water supply piece to supply sterile water to the steam generation pipe according to a second water pushing speed, controlling the heating assembly to heat the steam generation pipe at a second power, heating the sterile water at the target temperature into ablation steam, and applying the ablation steam to a target ablation area by the steam ablation needle; and controlling the water supply piece to supply sterile water to the steam generation pipe according to the third water pushing speed, and controlling the heating assembly to heat the steam generation pipe at the first power. During steam ablation treatment, the stability of output ablation steam heat can be ensured, steam is prevented from burning a human body, steam holes of the steam ablation needle are prevented from being blocked, and the steam ablation treatment effect is ensured.

The invention discloses a double-elbow type seminal vesicle supporting indwelling catheter which comprises a base body straight pipe, a head bent pipe, a tail bent pipe and a wire, the head bent pipe is arranged at one end of the base body straight pipe and used for being automatically bent in a seminal vesicle during indwelling, and the tail bent pipe is arranged at the other end of the base body straight pipe. The tail bent pipe is arranged at the other end of the base straight pipe and used for being automatically bent in a prostate small bag in the indwelling period, a through wire penetrating channel is formed among the base straight pipe, the head bent pipe and the tail bent pipe, and the wire can extend out of the body along the urethra from the tail bent pipe in the indwelling period to be pulled. Through the collaborative design of double-end stable fixing and line body pulling simplification, the core problems that an existing seminal vesicle supporting device is unstable in supporting and difficult to pull out are thoroughly solved, a safer and more efficient medical instrument solution is provided for postoperative rehabilitation of a seminal vesicle endoscope operation, and the medical seminal vesicle supporting device has extremely high clinical popularization value.

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 kind of self-urination metal catheter, it includes the catheter body woven by metal wire, the distal end of catheter body is provided with bending anti-off structure to prevent the distal end of catheter body from being outwardly off from bladder in indwelling state, the proximal end of catheter body is close to external sphincter after passing through prostate area, the proximal end of catheter body is connected with fixed anchor placed in urethra by connecting line, fixed anchor is located at the outside of external sphincter and cannot slide to prostate area inwardly by the block of external sphincter, one end of fixed anchor is connected with traction rope, the other end of traction rope is stretched to patient's outside through urethra.The advantages are that new structure and material are used, infection risk can be effectively reduced, catheter indwelling time is prolonged, and stimulation to urethra or other urinary tissues is reduced;Catheter indwelling period does not need to use urine bag, and patient can self-control urination, improve life quality;Catheter body woven by metal wire is moderately soft and hard, and has good self-adaptability.

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 present application relates to the field of medical seat cushion, especially to a prostate heat treatment seat cushion, which comprises a seat cushion, a plush pad, a cooling pad and a heat treatment pad, etc.; the upper side of the seat cushion is provided with a reversible plush pad for use in cold days; the lower side of the seat cushion is provided with a detachable cooling pad for use in hot days; the seat cushion is fixedly connected with the heat treatment pad inside for heat treatment; and the heat treatment pad is provided with a heat treatment cavity. The present application realizes the flushing treatment of hemorrhoid parts of the user through the atomization heat treatment assembly during the prostate heat treatment of the user through the seat cushion; the collected liquid is collected through the collecting box during the flushing process; after the treatment is completed, the user can take out the collecting box, twist open the sealing plate to clean the collected liquid in the collecting groove, and clean the collecting box, so as to improve the cleanliness and hygiene of the seat cushion and avoid cross infection.

This utility model relates to the field of steam ablation technology, providing a prostate thermal steam ablation catheter and steam ablation handle. The catheter includes a guide rod and a catheter tip, with the catheter tip located at the end of the guide rod. The catheter tip has a needle insertion channel and a flushing channel. The catheter tip has a first notch, a second notch, and a third notch, which surround the needle insertion channel. The sidewall of the catheter tip also has a first shielding surface and a second shielding surface. The first shielding surface guides a portion of the fluid flowing out along the first notch to flow in the opposite direction, and the second shielding surface guides a portion of the fluid flowing out along the second notch to flow in the opposite direction. This structure guides the flow of sterile water to the steam ablation center corresponding to the puncture needle, ensuring that sterile water covers three sides of the steam ablation center, forming a vortex. This allows for heat dissipation and uniform cooling of the treatment area, helping to avoid the risk of steam burns to tissue and improving the clarity of observation of the treatment area.

Devices and systems are disclosed for managing and / or treating body tissues obstructing a hollow body lumen, including the prostatic lobe tissues obstructing the urethra, for example conditions including benign prostatic hyperplasia (BPH), bladder outlet obstruction (BOO), benign prostatic obstruction (BPO) and associated lower urinary tract symptoms (LUTS). An implant is maintained in a constrained configuration within a distal portion of an elongated sheath so that is may be deployed by driving the implant with a pusher coaxially disposed within the sheath. An implant engaging element helps maintain control of the implant during deployment.

The invention relates to the technical field of medical instruments, and discloses a special multifunctional flushing and dripping device and method for prostate surgery, the special multifunctional flushing and dripping device comprises a machine base and an infusion box, a lifting assembly is arranged between the machine base and the infusion box, and a plurality of infusion bags are hung in the infusion box; every two adjacent infusion bags are connected through a communicating pipe, the infusion bag located on the right side is provided with an exhaust pipe, the infusion bag located on the left side is provided with an infusion pipe, and a constant-temperature heating assembly is arranged on the back face of the infusion box; the infusion bags which are connected in series are arranged in the infusion box and are connected end to end through the communicating pipes, and flushing fluid automatically and continuously flows from one bag to the next bag on the basis of the hydrostatic pressure principle, so that the operation of repeatedly and manually adding the flushing fluid in an operation is thoroughly avoided; a medical worker only needs to hang a plurality of bags of flushing fluid which are connected in series at a time before an operation, and the continuous flushing requirement of the whole operation can be met.

The invention discloses a construction method, system, equipment, product and medium for an ablation protection area, and the method comprises the steps: obtaining a cross-sectional image set of a prostate target area, the cross-sectional image set comprising a first cross-sectional image comprising a bladder neck and at least one second cross-sectional image comprising verumontanum; according to the first cross section image, a first boundary contour corresponding to the bladder neck is determined, and the first boundary contour covers the sphincter in the urethra; according to the second cross section image, a second boundary contour corresponding to the verumontana is determined, and the second boundary contour covers the verumontana; according to the first boundary contour and the at least one second boundary contour, the ablation protection area in the prostate target area is determined, the problem that definition of a functional structure depends on subjective judgment of clinical experience is solved, the quantitative protection standard of the functional anatomical axis from the bladder neck to the prostatic urethra to the verumontana is achieved, and the protection effect is improved. The risk of urination function impairment and sexual function impairment induced by transurethral ablation operation is effectively controlled.

A catheter for deploying an implantable expander in a urethra. An implantable biocompatible expander suitable for implantation into a urinary duct is resiliently deformable from a relaxed radially expanded orientation to a radially contracted orientation suitable for transluminal delivery through the urinary duct. The expander may be configured to exert an outward radial force against a wall of the urinary duct when in-situ within the urinary duct. In particular, the expander is suitable for treatment of benign prostatic hyperplasia and configured for implantation into the prostatic urethra between, and substantially spanning the prostatic urethra between, the bladder neck and external sphincter.

Some embodiments of the invention advantageously leverage the expansion of the prostatic urethra using adjustable lumen tension rings (ALTRs) of desired sizes to control and improve flow throughout the range of the urethra. As such, some embodiments include tension ring(s) or cylinders that sits either inside or outside the prostatic wall and is at least partially within the lumen and / or is partially or fully anchored, attached, adhered, or otherwise held in place with respect to the bladder or other locations within the urethra and / or elsewhere in the urethra. The expansion of the lumen can be pre-configured based on pre-operative metrology of the prostatic urethra to a customized and adjustable fit across the various zones within the urethra and based on the patient specific and evolving needs.

The utility model relates to a bladder fistulization tube, a fistulization tube assembly and a fistulization drainage device. The bladder fistula comprises an outer sheath, wherein one end of the outer sheath is connected with an elastic sleeve; a plurality of filter holes are formed in the side wall of the elastic sleeve, one end of the elastic sleeve is communicated with the outer sheath, and the other end of the elastic sleeve is a closed part; the shape of the elastic sleeve can be elastically changed after being subjected to external force, the diameter of the initial shape of the elastic sleeve before elastic change is larger than the outer diameter of the outer sheath, and the diameter of the stretched shape of the elastic sleeve after elastic change is smaller than or equal to the outer diameter of the outer sheath; the initial shape of the elastic sleeve is used for preventing the fistulization tube from falling off from the puncture opening. The bladder fistulization tube is convenient to use, the fistulization tube can be stably limited in a puncture opening of a patient through the elastic sleeve, stability is enhanced, and the fistulization tube is prevented from being disengaged. The filtering holes in the elastic sleeve can be used for filtering and blocking tissue fragments after the prostate is cut off, so that the tissue fragments are prevented from being discharged out of the body from the fistulization tube.

Implantable devices for retracting prostatic tissue of a patient are provided. In some embodiments, an implantable device may include a main body and a suture extending through at least a portion of the main body. The main body may be configured to extend through prostatic tissue of the patient such that a distal end portion of the main body resides at least partially outside of a prostatic capsule of the patient, and the distal end portion may be configured to deform from an undeformed configuration to a deformed configuration. The suture may include a first end and a second end extending from a proximal end of the main body, and the suture may be configured to cause the distal end portion to deform from the undeformed configuration to the deformed configuration when the first end and the second end are pulled proximally relative to the main body.

The invention relates to a prostate urethra auxiliary stripping device which comprises a handle, a handle fixedly arranged on the handle, a stripping mechanism arranged at the other end of the handle and a control switch arranged on the handle and used for controlling the stripping mechanism. The stripping mechanism comprises a shovel main body movably arranged on the handle, a left shovel telescopically arranged in the shovel main body, a right shovel telescopically arranged in the shovel main body, a reset assembly arranged in the shovel main body and used for driving the left shovel and the right shovel to stretch out and draw back, and a reciprocating assembly arranged on the handle and used for driving the shovel main body to move; the front stripping blade is arranged at the front end of the shovel main body, the left stripping blade is arranged at one end of the left shovel, and the right stripping blade is arranged at one end of the right shovel. According to the auxiliary stripping device, multi-angle and multi-direction stripping operation can be completed, the number of times that an instrument enters and exits a body cavity is reduced, the risk that surrounding tissue is accidentally injured, and bleeding or infection is caused is objectively reduced, and the convenience and safety of an operation are improved.

Implantable devices for retracting prostatic tissue of a patient are provided. In some embodiments, an implantable device may include a main body and a suture extending through at least a portion of the main body. The main body may be configured to extend through prostatic tissue of the patient such that a distal end portion of the main body resides at least partially outside of a prostatic capsule of the patient, and the distal end portion may be configured to deform from an undeformed configuration to a deformed configuration. The suture may include a first end and a second end extending from a proximal end of the main body, and the suture may be configured to cause the distal end portion to deform from the undeformed configuration to the deformed configuration when the first end and the second end are pulled proximally relative to the main body.

The utility model relates to the technical field of medical instruments, and discloses a prostate stent and an implantation system. The prostate stent comprises a stent body and a positioning part, the stent body comprises three cutting parts which are arranged in parallel at intervals, the far ends of every two adjacent cutting parts are connected through a front supporting part, and the near end of each cutting part is connected with a rear supporting part; one or more convex teeth are arranged on the outer side of at least one cutting part; the positioning part is used for connecting and fixing the three rear supporting parts together and can be used for positioning the implanting direction of the prostate stent. The support body is in the shape of the hollow column and can support an affected part. The convex teeth can be propped against the inner wall of an affected part, so that the prostate stent can be effectively prevented from displacing; meanwhile, an operator does not need to adjust the angle, and the operation difficulty is reduced. The positioning part can be used for positioning the implantation direction of the prostate stent while realizing connection of the stent body, so that the prostate stent is convenient to take and place.

A stent is disclosed that is configured to maintain patency of the prostatic urethra despite an enlarged prostate. The stent can include a handle that, in an undeflected position, is disposed outside of the flow path of the stent. When the handle is pulled, the handle can deflect to generally aligned with a central axis of the stent. A capture device is disclosed that includes a tapered tip to navigate a working channel of a delivery device and a hook that can capture the stent handle and be moved into a tube to retain the stent handle to facilitate maneuvering of the stent in and out of the working channel of the delivery device. A loading adapter with a tapered port is disclosed that can be disposed on the delivery device to distribute compressive forces applied by the port on the stent during loading into the working channel.

The application discloses a double-bend type seminal vesicle support indwelling catheter, which comprises a base straight pipe, a head curved pipe, a tail curved pipe and a guide wire, the head curved pipe is arranged at one end of the base straight pipe and is used for automatically bending in the seminal vesicle during indwelling, the tail curved pipe is arranged at the other end of the base straight pipe and is used for automatically bending in the prostate small vesicle during indwelling, a through wire channel is arranged between the base straight pipe, the head curved pipe and the tail curved pipe, the guide wire can extend from the tail curved pipe to the outside of the body along the urethra during indwelling, and the guide wire is used for traction, the double-end stable fixation and the simplified cooperative design of the wire body pulling-out can solve the core problems of the instability of the existing seminal vesicle support equipment and the difficulty of pulling-out, a safer and more efficient medical instrument solution is provided for postoperative rehabilitation of the seminal vesiculoscope surgery, and the application has a high clinical popularization value.

The invention discloses a molecular classification diagnosis system for diagnosing prostatic cancer through a multi-target combined weight system, and belongs to the technical field of biological medicine. The method comprises the following steps: establishing a mathematical logic relationship among multiple targets through data training by utilizing an existing clinical database containing information of patients with prostatic cancer and benign hyperplasia, namely, a weight ratio of four biomarkers related to prostatic cancer to diagnosis of prostatic cancer, and obtaining a weight diagnosis formula for classification of prostatic cancer and benign hyperplasia of prostatic; a weight detection system is established, a DNA tetrahedral framework nucleic acid dimer structure is used as a signal output substrate, and a multi-target combined intelligent diagnosis system is constructed by pricing and modifying different signal molecules on a signal output probe, so that precise classification of prostatic cancer and benign prostatic hyperplasia is realized, and the accuracy of early diagnosis of prostatic cancer is improved.

A prostate dilator belongs to the technical field of medical instruments and comprises a catheter, the front end of an imbedding end of the catheter is a hemispherical guide head, and a plurality of lubricant injection holes are formed in the periphery of the central point of the catheter; a medicament injection hole is formed in the catheter behind the guide head; a gas inlet and outlet hole is formed in the catheter of the air bag section, a lubricant tube, a medicament tube and an inflation tube are arranged in the catheter, the lubricant tube is communicated with the lubricant injection holes, the medicament tube is communicated with the medicament injection holes, and the inflation tube is communicated with the gas inlet and outlet hole; the lubricant tube, the medicament tube and the inflating tube respectively extend out of the tail part of the operation end and are respectively connected with an injector; the prostate dilator has the advantages that when the prostate dilator is propelled, lubricant can be injected while the prostate dilator is propelled, the air bag skin can be tightly attached to the sunken air bag section through the sunken portion, friction of the catheter to the inner wall of a prostate can be effectively reduced on the whole, and discomfort of a patient is relieved.

The present invention provides a catheter and a treatment method that easily reach the uterine artery, the prostate artery, and engage from the radial artery. A catheter (1) for uterine artery engagement has a tubular body that communicates from a base end to a front end, the tubular body (2) has a shape portion (24) that is bent on substantially the same plane (X) to impart a shape, the shape portion (24) has a base end side bend portion (25) that is bent at a prescribed first angle (θ1), a front end side bend portion (27) that is prescribed a second angle (θ2) at a position further toward the front end side than the base end side bend portion (25), and is bent toward the same side as the base end side bend portion (25), a straight line-shaped intermediate straight line portion (26) that is disposed between the base end side bend portion (25) and the front end side bend portion (27), and a straight line-shaped front end side straight line portion (28) that is disposed further toward the front end side than the front end side bend portion (27), the first minimum curvature radius (R1) at the base end side bend portion (25) is 3 times or more and 11 times or less of the second minimum curvature radius (R2) at the front end side bend portion (27).