167 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.

A suspension-type adaptive prostatic stent, which belongs to the technical field of medical devices. The prostatic stent can be divided into an upper portion, a middle portion and a lower portion according to the functional structure. The upper portion is a suspension structure (1), which is generally spiral-shaped or inverted cone-shaped; a force-bearing ring that is hollow or solid is provided at the upper opening, and is provided with reinforcing ribs (4) in the ring body; and reinforcing ribs (4) can be provided on the side wall of the upper portion, and several hollow holes can be provided in the junction of the upper edge of the side wall and the force-bearing ring. The lower portion is a prostatic stent main body (3), which is generally tubular or is a spindle-shaped sac having an expanded middle portion, is provided with several transverse bulges on the outer side, and is provided with compression-resistant reinforcing ribs (4) in the wall. The middle portion is a transition connecting structure (2) between the suspension structure (1) and the stent main body (3), and is an ultra-thin soft tubular body provided with several reinforcing ribs on the surface. The whole stent is made of a polymer material or made of a polymer material and a metal material. The stent can be used to relieve dysuria, urinary hesitancy, etc., due to urethral obstruction or stricture caused by prostatic diseases, and can also be used as a carrier of a transurethral transdermal drug delivery system for prostatic 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.

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.

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 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.

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.

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.

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

An implantable biocompatible expander suitable for implantation into a urinary duct, comprises an elongated sinusoidal ring comprising at least two proximal prongs and at least two distal prongs, wherein the expander is resiliently deformable from a relaxed radially expanded orientation to a radially contracted orientation suitable for transluminal delivery through the urinary duct. The expander is 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.

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 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.

An implantable biocompatible dilator (1) suitable for implantation in a urinary tract includes: an elongated sinusoidal ring having at least two proximal forks (7) and at least two distal forks (5), wherein the dilator can elastically deform from a relaxed radial expansion orientation to a radial contraction orientation, the radial contraction orientation being suitable for transluminal delivery through the urinary tract. The dilator is configured to apply radially outward forces to the urinary tract wall when in situ within the urinary tract. In particular, the dilator is suitable for treating benign prostatic hyperplasia and can be configured to be implanted and substantially cross the prostatic urethra between the bladder neck and the external sphincter.

The utility model discloses a saline supply device for a prostate electric resection operation, which relates to the technical field of medical auxiliary equipment and is characterized by comprising a base, a storage box is fixedly arranged on the outer wall of the top of the base, and the outer wall of the top of the storage box is communicated with a vertically upward catheter. And one end of the top of the liquid guide pipe communicates with a circular collecting box, bottle opening fixing grooves distributed at equal intervals are formed in the outer wall of the top of the circular collecting box, and positioning columns are slidably connected to the inner walls of the bottle opening fixing grooves. A bottle opening is punctured through the two puncture outfits installed on the positioning column, air is input into the hollow ring through the air pump, the air is input into one puncture outfit on the positioning column through the hollow ring, and the air is input into a normal saline bottle through the other puncture outfit. Normal saline in the normal saline bottle rapidly flows out through the other puncture outfit, a large amount of normal saline can be rapidly extracted, and it is avoided that cleaning of a wound of a prostate surgery patient is delayed.

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.

Various embodiments disclosed relate to 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. 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.

The invention relates to the field of medical cushions, in particular to a prostate thermal therapy cushion. Comprising a seat cushion, a plush cushion, a cooling cushion, a thermal therapy cushion and the like. A reversible plush cushion is arranged on the upper side of the seat cushion and is used in cold days; a detachable cooling cushion is arranged on the lower side of the seat cushion and is used for supplying heat; a thermal therapy pad is fixedly connected in the seat cushion and is used for thermal therapy; a thermal therapy cavity is formed in the thermal therapy pad. According to the device, in the process that a user conducts prostate thermal therapy through the cushion, flushing treatment is conducted on the haemorrhoids part of the user through the atomization thermal therapy assembly, in the flushing process, dripping liquid medicine is collected through the collecting box, after treatment is completed, the user can take out the collecting box and unscrew a sealing plate to clean away the liquid medicine in the collecting groove, and the device is convenient to use. The collecting box is cleaned, so that the cleanliness and sanitation of the seat cushion are improved, and cross infection is avoided.

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.

The utility model provides a prostate ultrasonic ablation device, and relates to the technical field of prostate treatment. The prostate ultrasonic ablation device comprises an ablation catheter, an ultrasonic transducer, an air bag, a mounting seat and a driving part, the ablation catheter is provided with a liquid inlet channel, a liquid outlet channel and a wire channel which are separated in the length direction of the ablation catheter. A mounting groove for mounting an ultrasonic transducer is formed in the side surface of one end of the ablation catheter; the ultrasonic transducer is fixedly arranged in the mounting groove; the air bag wraps one end of the ablation catheter, the air bag is provided with a notch at the position of the mounting groove, the liquid inlet channel and the liquid outlet channel are communicated with the interior of the air bag, the liquid inlet channel is used for supplying liquid into the air bag to expand the air bag, and the liquid outlet channel is used for discharging liquid in the air bag; the ablation catheter is rotatably supported on the mounting seat; the driving part is connected with the ablation catheter and can drive the ablation catheter to rotate relative to the mounting base. The prostatic hyperplasia ablation catheter can ablate prostatic hyperplasia tissues, and other tissues such as the urethral wall are not prone to being damaged.

The invention discloses a biomarker for distinguishing prostatic cancer and benign prostatic hyperplasia and application thereof, and particularly provides phosphatidyl ethanolamine (20: 0 / 15: 0) as a biomarker for screening prostatic cancer, the phosphatidyl ethanolamine (20: 0 / 15: 0) has higher specificity and better diagnostic efficiency than TPSA, can reduce unnecessary prostatic biopsy puncture, and can be used for screening prostatic cancer. The pain of a patient is relieved, and missed diagnosis of conventional puncture is reduced.

The invention provides a puncture needle for a prostate suspension instrument and the prostate suspension instrument, the puncture needle comprises a puncture needle tube body, one end of the puncture needle tube body is provided with a puncture part, and the puncture part comprises a first blade surface, a second blade surface and a transition surface; a first cutting edge is formed at the junction of the first blade surface and the outer surface of the puncture needle tube body; a second cutting edge is formed at the junction of the second blade surface and the outer surface of the puncture needle tube body; the transition surface is connected with the first blade surface and the second blade surface; a third cutting edge is formed at the junction of the first blade face and the second blade face, and the first cutting edge, the second cutting edge and the third cutting edge intersect to form a needle tip. According to the puncture needle for the prostate suspension instrument, the blade structure of the puncture part comprises the three blade faces, the three cutting edges and the needle tip, and compared with a traditional flat abrasion cutting edge, the structure has lower puncture resistance.

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.