| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 623230660 | Urethra | 45 |
| 20080249636 | SELF-RETAINING STENT - A stent is designed to be placed in a lumen of a patient and extend therethrough. The stent includes a distal end and a proximal end. The distal end includes a distal retention structure and the proximal end includes a plurality of radially extending flexible segments to prevent migration of the stent through the lumen. At least one radially extending flexible segment at the proximal end is able to assume an outwardly everted configuration. The stent of the invention, due to its dimensions, shape, and rigidity, minimizes the force of contact and abrasion to sensitive areas of the patient's body, such as the trigone region of the bladder and the ureteral-vesical junction. | 10-09-2008 |
| 20080255679 | URETERAL STENT WITH CONFORMING RETENTION STRUCTURE - A ureteral stent includes an elongate member defining an axis and having a proximal end portion and a distal end portion. A first extension member and a second extension member extend from the proximal end portion and each include a first portion, a second portion, a third portion and an end portion. In an unconstrained configuration, the first portion is arcuate and extends away from the axis, the second portion extends from the first portion in a distal direction, and the third portion extends from the second portion in a direction away from the axis. In the unconstrained configuration, the end portions of the first and second extension members are spaced apart from each other sufficiently, and the first extension member and the second extension member are sufficiently rigid, to collectively help retain at least a portion of the ureteral stent within a bladder of a patient. | 10-16-2008 |
| 20090125120 | Drainage Devices - A ureteral drainage stent is designed to be placed in a patient's ureter and extend into a patient's bladder. An ureteral drainage stent includes a distal region for placement in the ureter and renal cavity, and a proximal region for placement in a urinary bladder and urethra. The distal region includes an elongated member with multiple lumens and the proximal region includes multiple elongated member, each defining a lumen. At least one lumen in the distal region is in liquid communication with a lumen from the proximal region. At least two of the elongated members in the proximal region are joined at their proximal ends and form a retraction structure, a structure | 05-14-2009 |
| 20090177288 | Stent for Use in a Tubular Organ of a Body - The present invention relates to a stent ( | 07-09-2009 |
| 20090281635 | ANTIMICROBIAL MEDICAL DEVICES - According to an aspect of the present invention, medical devices are provided whose surfaces are partially covered with a coating that further comprises silver nanoparticles. Other aspects of the invention pertain to methods of making and using such medical devices. | 11-12-2009 |
| 20090299488 | PROSTATIC STENT - The invention concerns a prostatic stent including a flexible tubular member having a lateral wall equipped with anchoring means, adapted for anchoring the prostatic stent into the urethra, wherein the anchoring means includes a succession of hollow and projecting elements defining a continuous and smooth anchoring profile, thereby forming an anchor for the prostatic stent in place into the urethra, and adapted to avoid any lesion of the urethra during insertion or withdrawal of the stent. | 12-03-2009 |
| 20100076574 | Linearly Expandable Ureteral Stent - A ureteral stent includes an elongated member, which has a tubular shape, and a distal retention structure. The elongated member includes a sidewall that defines a lumen and has a spiral-shaped opening with at least two rotations. The sidewall has an inner surface and an outer surface. The sidewall between the inner surface and the outer surface is devoid of another lumen. The elongated member is configured to move between a retracted configuration and an expanded configuration along a longitudinal axis of the lumen. The distal retention structure is disposed at a distal end of the elongated member for retention in a kidney. The distal retention structure defines a lumen in fluid communication with the lumen defined by the sidewall of the elongated member. | 03-25-2010 |
| 20100131075 | Cell-Scaffold Constructs - The present invention relates to the regeneration, reconstruction, repair, augmentation or replacement of organs or tissue structures using scaffolds and autologous cells that are not derived from such organs or tissues. | 05-27-2010 |
| 20100179666 | STENT WITH SOLUBLE BLADDER RETENTION MEMBER - Ureteral stents having at least a portion of a proximal end of the ureteral stent constructed with a material that dissolves after being exposed to a bodily fluid for a period of time are disclosed herein. At least a portion of the proximal end portion of the elongate member includes a dissolving portion configured to dissolve in response to being exposed to a bodily fluid for a period of time. The elongate member also includes a non-dissolving portion that includes the entire retention member of the distal end portion and is substantially stable in the bodily fluid of the urinary tract of the patient. In some embodiments, a medial portion of the ureteral stent is also constructed with one or more dissolving materials. In some implementations, the proximal and/or the medial portions of the ureteral stent are constructed using various combinations of dissolving and non-dissolving materials. | 07-15-2010 |
| 20100198358 | URETERAL STENT FOR IMPROVED PATIENT COMFORT - A ureteral stent for assisting the movement of urine along a patient's ureter and into the patient's bladder. The stent includes an elongated tubular segment extending toward the bladder from a kidney end region for placement in the renal cavity to a bladder end region. A central lumen connects at least one opening at the first end region to at least one opening in the bladder end region. Thin flexible tail(s) are attached to the bladder end region of the tubular segment at a point outside the bladder so as to receive urine from the opening in the bladder end region of the tubular segment and to transport urine from there across the ureter/bladder junction and into the bladder. The tails include an elongated external urine-transport surface sized and configured to transport urine along the ureter. The urine transporting surface(s) are sized and configured to extend along at least part of the ureter, across the ureter/bladder junction, and from there into the bladder. In some embodiments, the distal region includes a tubular body with a lumen in fluid communication with an interstitial area defined by one or more flexible filaments of the proximal region forming at least one loop. | 08-05-2010 |
| 20100198359 | URETERAL STENT WITH CONFORMING RETENTION STRUCTURE - A ureteral stent includes an elongate member defining an axis and having a proximal end portion and a distal end portion. A first extension member and a second extension member extend from the proximal end portion and each include a first portion, a second portion, a third portion and an end portion. In an unconstrained configuration, the first portion is arcuate and extends away from the axis, the second portion extends from the first portion in a distal direction, and the third portion extends from the second portion in a direction away from the axis. In the unconstrained configuration, the end portions of the first and second extension members are spaced apart from each other sufficiently, and the first extension member and the second extension member are sufficiently rigid, to collectively help retain at least a portion of the ureteral stent within a bladder of a patient. | 08-05-2010 |
| 20100241240 | SELF-ADJUSTING ENDOURETHRAL DEVICE & METHODS OF USE - A self adjusting and/or positioning indwelling urethral device is provided. The device generally includes a prostatic urethral stent body and a urethral anchoring element. The prostatic urethral stent body includes a preconfigured end portion for anchored receipt within a bladder with the urethral anchoring element extending from the prostatic urethral stent body via a linkage. Engagement of the proximal anchor, delimited by the preconfigured end portion of the stent body, with the bladder is no or minimal impact upon the trigone region. | 09-23-2010 |
| 20110196507 | MEDICAL STENT AND RELATED METHODS - A medical stent is sized for placement in a ureter. The stent includes a first section which includes a first material, defines a lumen, and includes a first coil completing at least one revolution. A second section of the stent includes a second material, defines a lumen, and includes a second coil completing at least one revolution. A third section defines a lumen and is located between the first and second sections. The third section includes a co-extrusion of the first and second materials. One of the first or second sections is harder than the other section. | 08-11-2011 |
| 20120016490 | URETERAL STENTS FOR RELEASE OF UROLOGICALLY BENEFICIAL AGENTS - According to one aspect of the invention, ureteral stents are provided that comprise an elongated stent body and a urologically beneficial agent. The elongated stent body comprises a kidney portion adapted to occupy the kidney of a subject upon implantation, a ureter portion adapted to occupy the ureter of a subject upon implantation, and a bladder portion adapted to occupy the bladder of a subject upon implantation. The ureteral stents of the invention are adapted to release the urologically beneficial agent into the subject. Moreover, the amount of urologically beneficial agent that is released varies along the length of the stent. Other aspects of the invention pertain to methods of forming such stents and methods of using such stents. | 01-19-2012 |
| 20120083899 | URETERAL STENT - A ureteral stent is designed to be placed within a patient's ureter to facilitate drainage from the patient's kidneys to the bladder. An elongated portion of the stent includes a length sufficient to extend substantially within the ureter from the kidney to the bladder, and the elongated portion defines a lumen extending therethrough. A retention portion extends from one end of the elongated portion and retains the position of the ureteral stent when placed substantially within the kidney. The retention portion includes an interior space that is in communication with the lumen within the elongated portion and has at least one opening for urine drainage. A flared portion extending from the other end of the elongated portion is positioned within the patient's bladder. The flared portion curves outward and includes an elastic member that maintains the shape of the flared portion when positioned within the bladder. | 04-05-2012 |
| 20120158155 | URETHRAL STENT FOR THE PROSTATE - A urethral stent for the prostate including a first stent section placed into an upper portion of the urethra passing through the prostate, a second stent section placed into a lower portion of the urethra below a urinary sphincter muscle, the first and second stent sections being formed of a shape-memory alloy wire, and at least one connection filament is provided at a middle portion of the urethra passing through the urinary sphincter muscle so as to connect the first and second stent sections, thereby preventing the stent from moving to the upper or lower portions of the urethra. | 06-21-2012 |
| 20120165956 | UROLOGICAL MEDICAL DEVICES - According to an aspect of the present invention, urological medical devices are provided which comprise a substrate and hyaluronic acid, which is releasably disposed on or in the substrate. | 06-28-2012 |
| 20120203357 | URETHRAL ANASTOMOSIS DEVICE - Provided is a device for urethral anastomosis, for example, following prostatectomy. The device has a flexible slender shaft including a flexible outer sleeve and a flexible inner sleeve inside a lumen of the outer sleeve. A bladder anchoring system anchors the distal end of the inner sleeve inside a urinary bladder, and a urethral anchoring system anchors the outer sleeve in a urethral stump. A ratchet mechanism allows proximal movement of the inner sleeve inside the outer sleeve while preventing distal movement of the inner sleeve inside the outer sleeve. The device is used to urge the urinary bladder towards the internal termination of the urethra to allow anastomosis of the bladder neck to the urethral stump. | 08-09-2012 |
| 20120221117 | URETERAL STENT - A ureteral stent comprising a short renal coil made of a pliable material and a wick portion made of a material having a hydrophilicity or hydrophobicity different from that of the renal coil and extending from a ureteropelvic junction to a bladder so as to assist in the transfer of urine out of a kidney and into the bladder and to improve patient comfort. Due to increased hydrophilicity or hydrophobicity, wick may be significantly smaller in diameter than renal coil, resulting in less reflux of urine into the kidney and further decreasing patient discomfort. The stent may further comprise one or more couplers between the renal coil and wick portion, and the wick portion may comprise a sheath surrounding an elastic core to prevent kinking and enhance the ability of the wick portion to move with the patient. A method of ureteral stent placement is also disclosed. | 08-30-2012 |
| 20120290100 | MEDICAL APPARATUSES FOR DELIVERY OF UROLOGICALLY BENEFICIAL AGENTS - The present invention provides implantable or insertable medical apparatuses that deliver one or more urologically beneficial agents to the urinary tract. In one aspect, the medical apparatuses comprise a reservoir, a catheter, an implantable or insertable urological medical device, and an optional pump. | 11-15-2012 |
| 20120303134 | STENT WITH SOLUBLE BLADDER RETENTION MEMBER - Ureteral stents having at least a portion of a proximal end of the ureteral stent constructed with a material that dissolves after being exposed to a bodily fluid for a period of time are disclosed herein. At least a portion of the proximal end portion of the elongate member includes a dissolving portion configured to dissolve in response to being exposed to a bodily fluid for a period of time. The elongate member also includes a non-dissolving portion that includes the entire retention member of the distal end portion and is substantially stable in the bodily fluid of the urinary tract of the patient. In some embodiments, a medial portion of the ureteral stent is also constructed with one or more dissolving materials. In some implementations, the proximal and/or the medial portions of the ureteral stent are constructed using various combinations of dissolving and non-dissolving materials. | 11-29-2012 |
| 20130158675 | URETERAL STENT DRUG DELIVERY DEVICE, KIT, AND METHOD - Ureteral stent devices having improved drug delivery capabilities are provided. The ureteral stent device includes a ureteral stent comprising two opposed ends, and a drug delivery component associated with at least one end of the ureteral stent. The drug delivery component includes a drug housing defining a drug reservoir containing a drug, wherein the drug housing is configured to release the drug in-vivo. | 06-20-2013 |
| 20130173016 | URETERAL STENT - The present disclosure relates to a stent for placing in a body passage of a patient. The stent has an elongated portion having a proximal end and a distal end. The elongated portion defines a lumen throughout the stent. The stent has a proximal anchoring member on the proximal end of the elongated portion and a distal anchoring member on the distal end of the elongated portion. The anchoring member comprises a wall curving outward from each end of the elongated portion of the stent. | 07-04-2013 |
| 20130253662 | DEVICES, SYSTEMS AND METHODS FOR TREATING BENIGN PROSTATIC HYPERPLASIA AND OTHER CONDITIONS - Extra-urethral implants and methods of use are disclosed. Implants can treat disorders or diseases of the prostate by, for example, enlarging the lumen of the prostatic urethra. | 09-26-2013 |
| 20130297039 | SAFETY STENT - A stent can comprise a first elongate member and a second elongate member. The first elongate member can be configured to extend within a body lumen of a subject. The second elongate member can have (i) a first end portion connected to the first elongate member and (ii) a second end portion. An injection lumen can extend within the second elongate member for injecting a substance into at least a part of the body lumen. | 11-07-2013 |
| 20130325143 | DEVICES, SYSTEMS AND METHODS FOR TREATING BENIGN PROSTATIC HYPERPLASIA AND OTHER CONDITIONS - Devices, systems and methods for compressing, cutting, incising, reconfiguring, remodeling, attaching, repositioning, supporting, dislocating or altering the composition of tissues or anatomical structures to alter their positional or force relationship to other tissues or anatomical structures. In some applications, the invention may be used to used to improve patency or fluid flow through a body lumen or cavity (e.g., to limit constriction of the urethra by an enlarged prostate gland). | 12-05-2013 |
| 20130331948 | URETERAL STENT - In some embodiments, a ureteral stent includes an elongate member having a first portion and a second portion, which is coupled to the first portion. The first portion of the elongate member is configured to be disposed within a kidney of a patient. The second portion of the elongate member, which has a sidewall that defines a lumen, is configured to deliver fluid from a first location of the sidewall of the second portion to a second location of the sidewall of the second portion via capillary action. The second portion of the elongate member is configured to be disposed within at least one of a bladder and a ureter of the patient. | 12-12-2013 |
| 20140094929 | INSERTION DEVICE FOR PLASTIC STENT - An insertion device for a plastic stent includes an operation unit which is operated to move a movable wire forward or backward, a tip portion connected to an end of the movable wire, a tube connected to the operation unit, and a plurality of expanding members which are connected between a plurality of tip end portions of the tip portion in an alternate manner. The expanding member is made of soft or flexible material so that it is contracted in a longitudinal direction and expanded in a radial direction when the tip portion is moved backward. Because the expanding members are expanded in diameter when the movable wire is moved backward by the operation of the operation unit, an external surface of the expanding member comes into contact with an internal surface of the plastic stent and is securely held by the internal surface of the plastic stent. | 04-03-2014 |
| 20140142721 | URETERAL STENT WITH DRUG DELIVERY RESERVOIR - According to one aspect, the invention pertains to a ureteral stent that includes a proximal retention structure configured for retaining the proximal portion in the urinary bladder, which contains a balloon reservoir for storing a pressurized fluid that contains a urologically beneficial drug. In another aspect, a ureteral stent is provided that includes a reservoir for storing a pressurized fluid that comprises a urologically beneficial drug and an outlet remote from the reservoir, wherein the outlet includes a hydrogel material that, upon implantation of the ureteral stent, shrinks as the salinity of surrounding urine drops and expands as the salinity of surrounding urine increases. In other aspects, the invention pertains to a system for introducing a urinary stent into the body of a patient. In yet other aspects, the invention pertains to methods for treating patients. | 05-22-2014 |
| 20140172118 | Bioactive Compositions, Bioactive Eluting Devices and Methods of Use Thereof - One aspect provides a composition including triacetin, dimethyl sulfoxide and a bioactive. In one embodiment, the composition also includes a pharmaceutically acceptable carrier. Another aspect provides implantable medical devices including an elutable bioactive, triacetin and dimethyl sulfoxide. In certain embodiments, the combination of triacetin and dimethyl sulfoxide acts as a permeation enhancing agent by allowing the delivery of an increased amount of the bioactive to the tissue of a human or veterinary patient. Another aspect provides methods of delivering the bioactive to the tissue of the patient, including the step of administrating the composition to the patient or implanting the device within the patient. | 06-19-2014 |
| 20140188247 | HOLLOW FIBER URETERAL STENT - An endoluminal prosthesis for placing in a body passage of a patient, includes a ureteral stent, the ureteral stent comprising a generally tubular housing having a proximal end and a distal end and a lumen longitudinally disposed therethrough, at least one hollow fiber tubule disposed within the tubular housing, and at least one anchoring mechanism disposed on a distal end of the tubular housing. | 07-03-2014 |
| 20140188248 | CATION EXCHANGE URETERAL STENT - An endoluminal prosthesis for placing in a body passage of a patient, includes a ureteral stent, the ureteral stent having a generally tubular housing having a proximal end and a distal end and a lumen longitudinally disposed therethrough, with cation-exchange resin beads disposed within the tubular housing, and at least one anchoring mechanism disposed on a distal end of the tubular housing, where at least one retention screen is disposed within the lumen of the ureteral stent configured to retain the plurality of beads. | 07-03-2014 |
| 20140188249 | URETERAL ENDOLUMINAL DEVICE - An endoluminal medical device includes a cannula, the cannula having a proximal end and a distal end; an abrasion member having a series of struts interconnected by a series of bent segments forming a plurality of prongs attached to the cannula, the abrasion member having a first section and a second section; where the prongs of the first section of the abrasion member extend radially outward from the cannula. | 07-03-2014 |
| 20140214175 | URETERAL STENT WITH DRUG-RELEASING STRUCTURE - According to one aspect of the present disclosure, ureteral stents are provided that comprise an elongated stent body, at least one deployable retention structure, and at least one sleeve and/or sheet of drug-releasing material. In various embodiments, at least one sleeve and/or sheet of drug-releasing material is deployed concurrently with the deployment of at least one deployable retention structure. The ureteral stents of the present disclosure are adapted to release the urologically beneficial drug into a subject. | 07-31-2014 |
| 20150025652 | CONTINUOUS INDENTATION LATERAL LOBE APPARATUS AND METHOD - A system and associated method for manipulating tissues and anatomical or other structures in medical applications for the purpose of treating diseases or disorders or other purposes. In one aspect, the system includes a delivery device configured to deploy and implant anchor devices for creating continuous defects or indentations in lobes of a prostate. | 01-22-2015 |
| 20150327980 | METHOD AND APPARATUS FOR TREATING URETHRAL STRICTURE - A method of treating a treatment area of a body lumen includes inserting an elongated member into the body lumen, wherein the elongated member is configured to guide a delivery member, the delivery member possessing an outer portion on which is mounted a treatment membrane, moving the delivery member to the treatment area, contacting the treatment membrane mounted on the delivery member with the treatment area for a predetermined period of time, and withdrawing the delivery member from the treatment area after the predetermined period of time. | 11-19-2015 |
| 20150327982 | METHOD AND APPARATUS FOR TREATING URETHRAL STRICTURE - A method of treating a treatment area of a body lumen includes inserting an elongated member into the body lumen, wherein the elongated member is configured to guide a delivery member, the delivery member possessing an outer portion with a treatment part, moving the delivery member to the treatment area, applying the treatment part to the treatment area, and withdrawing the delivery member from the treatment area. | 11-19-2015 |
| 20150335452 | STENT DELIVERY SYSTEM - A stent delivery device having a locking mechanism. The device includes a handle assembly, an elongate inner member, and an elongate outer tubular member surrounding the elongate inner member. The handle assembly includes a handle attached to one of the inner member and the outer tubular member, and an actuator attached to the other of the inner member and the outer tubular member. Actuation of the actuator relative to the handle between a first position and a second position causes axial movement of the outer tubular member relative to the inner member. The locking mechanism has a locked position in which the actuator is prevented from moving from the first position to the second position and an unlocked position in which the actuator is permitted to move from the first position to the second position. | 11-26-2015 |
| 20160045300 | METHOD AND APPARATUS FOR TREATING URETHRAL STRICTURE - A treatment device for treating a treatment area of a body lumen includes a delivery member, and a treatment membrane wrapped around the delivery member, wherein opposite overlapped edges of the treatment membrane are attached together. A clip device for preparing the membrane includes a clip part configured to pinch opposite overlapped edges of the membrane together, and a cavity with an adjustable inner circumference configured to set a circumference of the membrane. | 02-18-2016 |
| 20160045302 | METHOD AND APPARATUS FOR TREATING URETHRAL STRICTURE - A treatment device for treating a treatment area of a body lumen includes an elongated member insertable into the body lumen, a delivery member guidable along a longitudinal axis of the elongated member, and a treatment part for contacting the treatment area, wherein the delivery member is configured to deliver the treatment part to the treatment area. | 02-18-2016 |
| 20160045347 | SYSTEMS AND METHODS FOR COUPLING AND DECOUPLING A CATHETER - A convertible nephroureteral catheter is used in the treatment of urinary system complications, particularly on the need for a single surgically delivered device to treat patients who must be seen by an interventional radiologist (IR). In many current procedures, patients need to return to the operating room to remove a previously delivered nephroureteral catheter to exchange this catheter with a fully implanted ureteral stent delivered though the same access site at the flank. The present convertible nephroureteral catheter reduces the need to return for a second surgical procedure. Two weeks after initial implantation, the proximal portion of the convertible nephroureteral catheter extending out from the body may simply be removed. A simple action at the catheter hub allows this proximal portion to be removed, leaving behind the implanted ureteral stent within the patient's urinary system. Other medical procedures, devices, and technologies may benefit from the described convertible catheter. | 02-18-2016 |
| 20160067072 | Concentric Catheter for Positioning a Polymeric Urethral Stent Implementing Resistance Heating - A concentric tube catheter for positioning a polymeric urethral stent implementing resistance heating to make the stent malleable for insertion into a urinary tract. An inflatable bladder is mounted to one end of the concentric tube catheter with the stent positioned around the inflatable bladder. The concentric tube catheter charged with a quantity of fluid. A static pressure control assembly and a variable pressure control assembly are in fluid connection with the concentric tube catheter. The quantity of fluid is pressurized within the concentric tube catheter with the static pressure control assembly in order to expand the inflatable bladder. A heating control system is used to increase the temperature of the stent allowing to become more malleable. The variable pressure control assembly oscillates the quantity of fluid to distribute heat evenly to the inflatable bladder and therefore to the stent. As the inflatable bladder expands, the malleable stent also expands. | 03-10-2016 |
| 20160089522 | URETHRAL STRICTURE TREATMENT APPARATUS AND URETHRAL STRICTURE TREATMENT METHOD - A urethral stricture treatment apparatus and treatment method are disclosed, which can easily inhibit the position of a medical material from deviating from a treatment site and can make the medical material selectively indwell different treatment sites. The urethral stricture treatment apparatus can have a dilation portion, which dilates in a state of holding a medical material providing an epithelial function so as to bring the medical material into contact with an inner wall of urethra, and a restriction portion which is provided in a position closer to a distal side than the dilation portion in an insertion direction such that a distance between the restriction portion and the dilation portion can be relative changed, and comes into contact with external urethral sphincter in a living body so as to restrict the movement of the medical material toward the distal side. | 03-31-2016 |
| 20160199170 | URETERAL STENT WITH SIDEPORTS | 07-14-2016 |
| 20170231747 | Extraluminal Urethral Prostate Shield Apparatus | 08-17-2017 |
