174results about "Urethrae" patented technology

An apparatus includes a plurality of beads each defining a first opening and a second opening, a linking assembly, and a 3D printed magnetic element housed within a first bead of the plurality of beads. The linking assembly extends through the first opening and the second opening of each bead such that the beads and the linking assembly may be arranged in an annular arrangement to form a loop around an anatomical structure in a patient. The loop moves between a contracted configuration and an expanded configuration and is magnetically biased toward the contracted configuration. The 3D printed magnetic element is housed within a first bead of the plurality of beads. The 3D printed magnetic element include a composite of magnetic granules combined to generate a magnetic field. The magnetic field is generated by the 3D printed element and is configured to contribute toward the magnetic bias.

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.

Devices and methods for deploying an implant in a patient's body comprises an elongate delivery tube having an inner element comprising an imaging head, an intermediate element comprising implant retainer formations and an outer element comprising an outer sheath, the inner and outer elements being retractable relative to the intermediate element. A handle at a proximal end of the delivery tube contains a hub assembly comprising hubs of the inner element, the intermediate element and the outer element. A hub carriage that is movable longitudinally within the handle with respect to the intermediate element hub supports the hubs of the inner element hub and the outer element for movement with the hub carriage to retract the inner and outer elements relative to the intermediate element.

To solve the problem that a system for placement of intraurethral valves is relatively complex, and the simplification of the system is generally desired.SOLUTION: An intraurethral magnetic valve having an inlet port 112 and an outlet port 25 is provided, the valve including: a valve main body 11; a ferromagnetic ring 5 located at least partially within the valve main body 11; a valve seat 4; and a magnetic valve element 14 located within an internal volume 111a defined by the valve main body and configured to move with respect to the ferromagnetic ring 5, that movement being within the valve main body 11 between a closed configuration in which fluid is inhibited from flowing from the inlet port 112 through the outlet port 25 and an open configuration in which fluid is permitted to flow from the inlet port 112 through the outlet port 25, movement of the magnetic valve element 14 being on exposure to a magnetic field from an external magnet member, wherein the valve seat 4 is formed from an elastomer material.SELECTED DRAWING: Figure 3a

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.

Devices are described, in particular in the form of stents, for transurethral applications having the function of facilitating the post-operative recovery phase in the treatment of benign prostatic hyperplasia.

The disclosed technique relates to systems and methods for relieving a prostate enlargement (e.g., as a result of benign prostatic hyperplasia), in general, and to systems and methods for enlarging the prostatic urethra and for anchoring the median lobe of the prostate.

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 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.

An implant for the prostatic urethra of a subject, the implant includinga 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.

The present invention relates generally to an apparatus for placing a stent at a desired location within the human body. In particular, but not exclusively, the apparatus is configured to place a stent within the ureter or other passage or space within the human body. The invention may be embodied as an apparatus for inserting a stent into a bodily structure of a subject, the apparatus comprising: a stent guide wire, a first moving means configured to move the stent guide wire toward a bodily structure of a subject, a stent pusher disposed about the stent guide wire, and a second moving means configured to move the stent pusher independently of and relative to the stent guide wire.

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 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.

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 present invention provides constructs including a tubular biodegradable polyglycolic acid scaffold, wherein the scaffold may be coated with extracellular matrix proteins and substantially acellular. The constructs can be utilized as an arteriovenous graft, a coronary graft, a peripheral artery bypass conduit, or a urinary conduit. The present invention also provides methods of producing such constructs.

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.

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.

A device for deploying an implant in a patient’s body comprises an elongate delivery tube 36 with tube elements in concentric relation in radial outward succession. The tube has an inner element compr

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.

Graft for use in urethral reconstruction comprising an umbilical vein The present invention relates to a graft for use in urethral reconstruction having a tubular shape comprising a lumen whose cross-section is circular or substantially circular and cannot be collapsed, or having a partially tubular shape that cannot be collapsed, said graft comprising at least one umbilical vein or a segment of umbilical vein arranged in such a way that the vascular epithelium is oriented towards the lumen when it has a tubular shape or towards the inner face of the curvature when it has a partially tubular shape. Figure for abstract: [Fig. 1]

The present invention relates to a stent delivery device having: a first support rod into which a first movable body is inserted; a fixed magnet; and a second support rod into which a second movable body is inserted, wherein a first driving magnet included in the first movable body and a second driving magnet included in the second movable body rotate relative to each other by means of the control of an external magnetic field at a predetermined angle around an axis in a first direction with respect to the fixed magnet, thereby separating a first coupling piece and a second coupling piece from a first coupling groove and a second coupling groove and enabling a stent to unfold.

An implant with one or more sensors to measure fluid and tissues of the patient. The sensor may comprise a mechanical sensor configured to measure growth of a tissue such as BPH or a tumor. Alternatively or in combination, the implant may comprise one or more electrodes to stimulate tissue related to urinary urgency or male sexual function.

The invention relates to a device for draining urine from the bladder of a patient, comprising a retention component to be placed in the bladder and urethra and a retractable insertion aid of tubular or hose-like construction, which is placed in the retention component and is easy to insert or pass through the urethra, the inner lumen of the insertion aid offering the possibility of applying a lubricating and lumen straightening substance into the urethra, wherein a storage container for accommodating a preferably gel-like substance can be mounted on the proximal end of the insertion aid, the substance being able to be applied from an opening at the tip of the catheter through the insertion aid into the urethra without backflow into the proximal gap between insertion aid and catheter; furthermore, different embodiments of the device are described, as well as a method which not only enables the process of hole cover and cleaning preparation for the introduction of the catheter to be carried out by hand, but also allows the insertion of the catheter into the bladder to be carried out by guiding with only one hand of the user.

The invention relates to a device for draining urine from the bladder of a patient, consisting of an indwelling part placed in the bladder and in the urethra, and of a retractable insertion aid of tubular or hose-like construction which is placed into the indwelling part and facilitates insertion into or passage through the urethra, and of which the inner lumen affords the possibility of applying a lubricating and lumen-straightening substance into the urethra, wherein a reservoir vessel for holding a preferably gel-like substance can be mounted at the proximal end of the insertion aid, and the substance can be applied through the insertion aid from the opening of the catheter tip into the urethra, without a reverse flow into the proximal gap between insertion aid and catheter; moreover, various embodiments of the device are described, and also a method which permits the procedure of draping and cleaning in preparation for the introduction of a catheter by hand and also allows the catheterization of the bladder to be guided with just one hand by the user.

Disclosed are devices and methods for managing and / or treating bodily tissue obstructing a hollow body lumen, including prostatic lobe tissue obstructing the urethra, for example, health conditions including benign prostatic hyperplasia (BPH), bladder outlet obstruction (BOO), benign prostatic obstruction (BPO), and related lower urinary tract symptoms (LUTS). A retrieval sheath having an elongate shaft member with at least one region of altered flexibility configured to compress the implant to a reduced profile for removal from the patient's body.

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.