26results about "Urinary bladder" patented technology

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.

To create an implant that allows for easy and reliable treatment of the bladder neck. [Solution] This is achieved by an implant having a pressurizing means structure for expanding the bladder neck of a person, particularly a removable implant. This pressurizing means structure applies local pressure to the tissue of the bladder neck. The pressurizing means structure may be connected to a retaining means for operation. This retaining means may be a wire, thread, or rod, and the retaining means is used to insert the implant or pressurizing means structure into the bladder neck via the urethra, and, if necessary, to retrieve the pressurizing means structure from the patient's body after the treatment is completed.

Intravesical devices are provided that are wholly deployable within the bladder of a patient in need of treatment and are well tolerated by the patient. The device may include an elastic body having a retention shape having (i) dimensions that provide intravesical mobility and that prevent voiding of the medical device through the urethra, and (ii) dimensions, buoyancy, or both, that exclude the medical device from entering the orifices of the ureters. The elastic body may exert a maximum acting force less than 1 N when compressed to a shape with a maximum dimension in any dimension of 3 cm. The device may include a drug for controlled release within the bladder, for treatment of the bladder or a regional tissue. Methods of treatment are also provided that include selecting a patient in need of treatment in the bladder where tolerability of the treatment is a primary concern.

The invention creates an implant with which a bladder neck can be treated in a simple and reliable manner. This is achieved by an implant, in particular a removable implant, having a pressure means structure for expanding the bladder neck of a person. This pressure means structure exerts local pressure on the tissue of the bladder neck. The pressure means structure can be connected to a holding means for handling. This holding means, which may be a wire or a thread or a rod, can be used to insert the implant or the pressure means structure through the urethra into the bladder neck and, if necessary, to retrieve the pressure means structure from the patient's body after the end of the treatment.

An implant with which a bladder neck can be treated in a simple and reliable manner. This is achieved by an implant, in particular a removable implant, having a pressure structure for expanding the bladder neck of a person. This pressure structure exerts local pressure on the tissue of the bladder neck. The pressure structure can be connected to a holding for handling. This holding, which may be a wire or a thread or a rod, can be used to insert the implant or the pressure structure through the urethra into the bladder neck and, if necessary, to retrieve the pressure structure from the patient's body after the end of the treatment.

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.

An implantable medical device for use as an artificial urinary bladder can include a collection container configured to be placed in a patient's abdominal cavity and a pump configured to be subcutaneously placed outside the abdominal cavity to allow the patient to perceive the need for urination and controls timing of the urination. Flexible tubing can connect the patient's ureters to the collection container through anti-reflux valves preventing urine from flowing back to kidneys, connect the collection container to the pump through a unidirectional connection valve, and connect the pump to the patient's urethra through a unidirectional urethral valve to allow for urination through the patient's natural urethra.

A surgical medical device includes a rod portion and a support portion extending from the rod portion. The support portion has a first stretch segment, a second stretch segment, and a third stretch segment disposed between the first stretch segment and the second stretch segment. The surgical medical device has a control mechanism. The surgical medical device stretches or contracts the first stretch segment, the third stretch segment and the second stretch segment by the control mechanism.

Disclosed herein is an in-vivo implantable system for bladder management. The system includes an actuator, a urine-level sensor, and a microcontroller connected to the actuator and the urine-level sensor. The actuator includes a two-way smart biomaterial having a changeable / restorable shape due to applying / removing at least one of an electric field, a magnetic field, a light change, a temperature change, ultrasound waves, and combinations thereof. The actuator is utilized to contract / release at least one of the bladder, the urethra, and the ureter(s). The urine-level sensor includes one of a strain sensor, a pressure / force sensor, and an impedance sensor and is used to measure bladder fullness during filling / voiding. The microcontroller is used to perform a method of management of micturition, prevention of bladder leakage, prevention of urine reflux to kidneys of the living body, and combinations thereof utilizing the actuator and the urine-level sensor.

The invention relates to an implant by means of which the bladder neck can be treated in a simple and reliable manner. This is achieved by an implant, in particular a removable implant, having a pressure device structure for expanding the bladder neck of a person. The pressure device structure applies local pressure to the tissue of the bladder neck. The pressure device structure may be connected to a holding device for operation. The retaining device may be a wire, a yarn or a rod, and may be used to introduce the implant or the pressure device structure through the urethra into the bladder neck and to remove the pressure device structure again from the patient's body if necessary after the end of the treatment.

The present disclosure relates to techniques for restricting the bladder and draining urine from the bladder. More specifically, an implantable pump device is provided having one or more constriction devices configured to constrict the bladder to drain urine.

The present disclosure relates to techniques for restricting a urinary bladder and for evacuating urine from a urinary ladder. More specifically, an implantable pumping device is provided, having one or several constriction devices configured to constrict the urinary bladder in order to evacuate urine.

An implantable medical device for use as an artificial urinary bladder can include a collection container configured to be placed in a patient's abdominal cavity and a pump configured to be subcutaneously placed outside the abdominal cavity to allow the patient to perceive the need for urination and controls timing of the urination. Flexible tubing can connect the patient's ureters to the collection container, connect the collection container to the pump, and connect the pump to the patient's urethra, with unidirectional valves where needed, to allow for urination through the patient's natural urethra. The implantable medical device can optionally include a cleaning port and tubing connecting the cleaning port to the collection container for introducing a liquid cleaning agent into internal urination circuit of the device for cleaning, disinfection, and prevention of stone formation.

An assembly implanted in the body of the user and operative to remove fluid from the user's abdominal cavity including a major chamber, operative as a pump, structured for manual disposition between a collapsed orientation and an expanded orientation and a conduit assembly interconnecting the major chamber in fluid communication with the abdominal cavity and a user's bladder. A valve assembly connected to the conduit assembly in flow regulating relation to fluid passing from the abdominal cavity to the bladder, through the major chamber. The manual disposition of the major chamber is at least partially defined by a force applied thereto externally of the user body. Disposition of the major assembly between the collapsed and expanded orientations results in fluid flow from the abdominal cavity to the major chamber and successively from the major chamber to the bladder, for expulsion by urination.

There is provided a sensor assembly (200) for monitoring a bladder (15) of a subject (10). The sensor assembly (200) comprises a carrier structure (242) and a plurality of ultrasound transducers (231-234) for emitting and detecting ultrasound signals, wherein the ultrasound transducers (231-234) are coupled to the carrier structure (242), and face in at least two different directions (U1-U4). The sensor assembly (200) further comprises a plurality of electrical connectors (238) for transmitting electrical signals between a data logger (120) and the ultrasound transducers (231-234) and a flexible circuit (240) electrically connecting the ultrasound transducers (231-234) to the electrical connectors (238).

Intravesical devices are provided that are wholly deployable within the bladder of a patient in need of treatment and are well tolerated by the patient. The device may include an elastic body having a retention shape having (i) dimensions that provide intravesical mobility and that prevent voiding of the medical device through the urethra, and (ii) dimensions, buoyancy, or both, that exclude the medical device from entering the orifices of the ureters. The elastic body may exert a maximum acting force less than 1 N when compressed to a shape with a maximum dimension in any dimension of 3 cm. The device may include a drug for controlled release within the bladder, for treatment of the bladder or a regional tissue. Methods of treatment are also provided that include selecting a patient in need of treatment in the bladder where tolerability of the treatment is a primary concern.

The invention belongs to the field of medical equipment. The artificial pneumatic auxiliary urination system comprises a bladder wrapping piece, and the bladder wrapping piece comprises a curved surface front shell and a curved surface rear shell; the end face of the curved-surface front shell and the end face of the curved-surface rear shell are in butt joint connection. A ureter wrapping shell is arranged on the curved-surface rear shell, a ureter outer hole and a ureter inner hole are formed in the ureter wrapping shell, and a ureter penetrates through the ureter outer hole and the ureter inner hole to enter the curved-surface rear shell; a bladder neck hole; an inner layer is arranged on the inner side of the curved surface front shell, is made of a flexible telescopic material and is connected with the inner side of the curved surface front shell close to the edge, a sealed cavity is formed between the inner layer and the curved surface front shell, the curved surface front shell is provided with a communicating piece, the sealed cavity is filled with a medium, the pressure intensity is increased, and the inner layer is extruded; the bladder wrapping piece is of a module assembly type, a hole and a groove are reserved in a wrapping shell, blood supply of the bladder and smoothness of a ureter and a neck opening of the bladder are guaranteed while the bladder is tightly wrapped, urine can be emptied easily, and bladder hernia is prevented from being formed.

The present disclosure relates to techniques for restricting the bladder and for draining urine from the bladder. More specifically, an implantable pump device is provided having one or more constriction devices configured to constrict the bladder to drain urine.

The invention provides an implant for the simple and reliable treatment of a bladder neck. This is achieved by a removable implant in which a pressure-mediating structure is used to dilate the bladder neck. This structure exerts local pressure on the bladder neck tissue. The pressure-mediating structure can be connected to a retention element for handling. This retention element, which can be a wire, thread, or rod, serves to insert the implant or pressure-mediating structure through the urethra into the bladder neck and, if necessary, to remove the structure from the patient's body after the treatment is completed.

The present invention generally relates to an apparatus for placing a stent at a desired location in the human body. In particular, but not exclusively, the apparatus is configured to place a stent in the ureter or other passageway or space in the human body. The present invention may be embodied as an apparatus for inserting a stent into a body structure of a target, the apparatus comprising a stent guidewire, a first moving means configured to move the stent guidewire towards the body structure of the target, a stent pusher disposed around the stent guidewire, and a second moving means configured to move the stent pusher relative to the stent guidewire independently of the stent guidewire.

A catheter assembly including an elongate member having a proximal end and a distal end. The distal end has at least one drainage opening. A hydrophilic coating is provided on at least a portion of the elongate end of the catheter. A fluid containing member is provided and is either arranged on the elongate member or within a separate area of the container. The fluid containing member contains sufficient hydrating fluid to hydrate the coating of the catheter. A container contains the elongate member and the fluid containing member and incorporates at least one foil layer to prevent evaporation of the hydrating fluid. A method of using the catheter includes inserting a catheter into a user' s body and draining fluid from the user's body.

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.

An apparatus for inserting a stent into a bodily structure of a subject, the apparatus comprising: a housing; a stent guide wire having a distal terminus; a stent pusher having a distal terminus; a feeding mechanism for moving the distal terminus of the stent guide wire and the distal terminus of the stent pusher distally, the feeding mechanism including a rotatable actuator engageable to move said respective termini; wherein the feeding mechanism is configured such that rotation of the actuator in a first direction concurrently advances the distal terminus of the stent guide wire and the distal terminus of the stent pusher until the distal terminus of the stent guide wire reaches a first predetermined position at which continued rotation of the actuator in the first direction advances only the distal terminus of the stent pusher until the distal terminus of the stent pusher reaches a second predetermined position, at which continued rotation of the actuator in the first direction is prevented and the stent is positioned at or proximate a desired stent delivery position, and wherein the feeding mechanism is further configured such that rotation of the actuator in a second direction, opposite the first direction, retracts the distal terminus of the stent guide wire until the distal terminus of the stent guide wire is retracted into the apparatus.

Bladder cancer primarily affects older adults, with radical surgery often leading to significant complications due to the use of bowel tissue for bladder reconstruction. Provided herein is a new approach using cryopreserved tissue from cadaveric vessels that avoids these complications. This new method makes surgery safer and recovery quicker, reducing hospital stays and improving patients' quality-of-life. This disclosed method is a major advancement in treating muscle-invasive bladder cancer, offering minimal side effects and a faster return to normal life.

The present invention relates to an artificial bladder system having a double space divided by a partition wall and a wireless, non-powered urine fullness sensor using an RFID technology, which provides an artificial bladder system comprising: an outer wall that forms the outer shape of the artificial bladder, is inserted into the body, and has an inner space; a partition wall, wherein both ends are fixed to the inside of the outer wall, the inner space of the outer wall is divided into a double space of a urine reservoir and a working fluid space, and it is deformable according to amounts of the urine and the working fluid; and a urine fullness sensor installed in the working fluid space and sensing a urine fullness degree based on the deformation of the partition wall.