WO2006115225A1 - Dispositif servant à contrôler la miction - Google Patents

Dispositif servant à contrôler la miction Download PDF

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Publication number
WO2006115225A1
WO2006115225A1 PCT/JP2006/308471 JP2006308471W WO2006115225A1 WO 2006115225 A1 WO2006115225 A1 WO 2006115225A1 JP 2006308471 W JP2006308471 W JP 2006308471W WO 2006115225 A1 WO2006115225 A1 WO 2006115225A1
Authority
WO
WIPO (PCT)
Prior art keywords
control device
valve
conduit
urination control
opening
Prior art date
Application number
PCT/JP2006/308471
Other languages
English (en)
Japanese (ja)
Inventor
Yasumi Yugari
Original Assignee
Cheiron Japan Co.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cheiron Japan Co. filed Critical Cheiron Japan Co.
Priority to JP2007514694A priority Critical patent/JPWO2006115225A1/ja
Publication of WO2006115225A1 publication Critical patent/WO2006115225A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/0004—Closure means for urethra or rectum, i.e. anti-incontinence devices or support slings against pelvic prolapse
    • A61F2/0022—Closure means for urethra or rectum, i.e. anti-incontinence devices or support slings against pelvic prolapse placed deep in the body opening
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
    • A61B5/202—Assessing bladder functions, e.g. incontinence assessment
    • A61B5/205—Determining bladder or urethral pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0001—Means for transferring electromagnetic energy to implants

Definitions

  • the present invention relates to a urination control device. Specifically, the present invention relates to a urination control device used for people with urinary incontinence, pets, and the like.
  • a urination control device is mainly used for animals such as urinary incontinence patients and pets.
  • causes of urinary incontinence are mainly due to medical practice, decreased muscle strength of the bladder sphincter, and central nervous system injury.
  • Medical treatment may include ureters, part of the bladder, or part of the bladder sphincter, or all of the prostate cancer surgery, part of the bladder cancer surgery, prostatic hypertrophy surgery, etc.
  • the case where excision was performed is mentioned.
  • urine flows out without being stored in the bladder.
  • the urinary tract is damaged during surgery on organs in the small pelvis, large intestine, colon, uterus, and vagina.
  • the weakness of the bladder sphincter is caused by, for example, senility, and in particular, in the case of women, incontinence occurs more frequently by weighting the short urinary tract.
  • central nervous system injury may result in loss of bladder sphincter control.
  • urinary incontinence as described above cannot be prevented, several methods for preventing contamination by urine are known.
  • a method of installing a urine storage bag outside the body is widely practiced. Specifically, urine is introduced into the urine storage bag by inserting a tube installed in the urethra or a tube of rubber cap with a tube covering the glans head into the urine storage bag.
  • a urination control device for controlling urination has been developed and clinically applied.
  • a urination control apparatus that has a weight of a constant weight and also has a balloon force.
  • This urination control device is installed in the bladder and when the urine volume in the bladder is small Closes the urethral opening, but when the urine accumulates and reaches a certain amount, the balloon is lifted by buoyancy, the urethral opening is opened, and urination is performed.
  • the urination control device has a problem in that a small amount of urine that is not stable due to the obstruction of the urethral orifice leaks out and the incontinence state may continue.
  • the urination control device has a problem that it is necessary to perform open surgery when the device is installed or replaced.
  • Patent Document 1 there is a slit valve in the urethra, a catheter with a ball valve, a stylet for placing the catheter in the female urethra, a valve in the catheter, and a bladder
  • An apparatus for controlling urination of a female bladder is disclosed that allows the contents therein to be excreted and includes a spike that includes internal detection and transmission means. This device was difficult to completely close the urethra.
  • Patent Document 2 a bladder balloon for locking to the bladder, conduit means for receiving, guiding and discharging urine fluid from the bladder, and a machine having a closed position
  • An incontinence control device comprising an actuating valve and an actuating member that scans the opening and closing of the actuating valve is disclosed.
  • urine is drained through the conduit by pulling the actuating member installed at the end of the drain tube, and when the actuating member force finger is released, it is closed by the panel.
  • this apparatus has problems that it is difficult to completely prevent urine leakage and that the structure of the apparatus is complicated.
  • there is a problem that the ureter is contaminated and the mucous membrane is damaged.
  • Patent Document 3 discloses that a polyvinyl alcohol is added to an alginic acid polymer or a boronic acid polymer.
  • PVA polyvinyl alcohol
  • This gel plug by injecting glucose or the like at the time of urination, the stability of the gel is broken and dissolved to urinate.
  • Such a gel plug can easily open and close the urethra and has little tissue damage, but has a problem in the time required for urethral obstruction and the reliability of obstruction by the gel plug.
  • Patent Document 1 Japanese Patent Laid-Open No. 10-507652
  • Patent Document 2 Japanese Patent Laid-Open No. 6-14950
  • Patent Document 3 Japanese Translation of Special Publication 2004-523296
  • the present invention provides a urination control device that can reliably and stably control urination and can be easily installed and removed from the urethra. With the goal. It is another object of the present invention to provide a urination control apparatus capable of suppressing bacterial infection and inflammation with less irritation or damage to mucous membranes. Means for solving the problem
  • the urination control device of the present invention is a urination control device that is inserted from the urethra and installed on the bladder, and includes an opening / closing means for controlling the flow of urine inside.
  • a urination control device comprising a conduit and a support member that is deployed and locked in the bladder and holds the conduit in the urethra.
  • the flow of urine can be reliably restrained and released by the opening / closing means.
  • the support member expands in the bladder, the urination control device main body can be easily inserted from the urethra.
  • the support member is expanded and locked in the bladder and the conduit is reliably supported, the conduit does not move as the urine flows down.
  • the present invention is characterized in that, in the urination control device described above, the support member is smaller than the conduit in the urethra and contracts to a diameter.
  • the urination control device main body can be easily inserted into and removed from the urethra.
  • the present invention provides the urination control device described above, wherein the support member is provided in the deformed portion that expands in the bladder, and the deformed portion is expanded when the deformed portion is expanded. And a locking portion to be locked to the head.
  • the deformable portion expands in the bladder, the locking portion is locked in the bladder, and the conduit is reliably supported, so that the conduit moves as the urine flows down. There is no.
  • the present invention is characterized in that in the above-described urination control apparatus, the deforming portion is made of a shape memory alloy, and the memory temperature range is in the vicinity of the body temperature.
  • the deformable portion can be expanded by the heat of the body when placed in the bladder.
  • the present invention provides the urination control device as described above, wherein the locking portion is one or more metals selected from copper, gold, silver, and zinc, or a metal plated with them, or induction thereof It is characterized by physical strength.
  • an antibacterial material that prevents the propagation of microorganisms or the like is selected as the locking portion.
  • the present invention is characterized in that, in the urination control device described above, the support member has a shape memory alloying force, and a memory temperature range is in the vicinity of the body temperature.
  • the support member can be expanded by the heat in the body when placed in the bladder. Further, since the entire support member is made of a shape memory alloy, it can be easily formed by integral molding.
  • the present invention is the urination control device according to any one of the above, wherein the conduit is made of a soft polymer compound.
  • the present invention is characterized in that, in the urination control device described above, the soft polymer compound is at least one selected from polyethylene, polypropylene, and silicone coffin.
  • the present invention is characterized in that in the urination control device according to any one of the above, a sensor for detecting a urine amount is provided in the conduit.
  • the present invention is characterized in that the opening / closing means installed inside the conduit can be opened / closed by an open / close instruction device outside the body.
  • the opening / closing means installed inside the conduit can be easily opened and closed by using the open / close instruction device outside the body.
  • the opening / closing means installed inside the conduit includes a valve for opening and closing the conduit and a valve holding member for holding the valve.
  • the conduit is reliably opened and closed by the valve held by the valve holding member.
  • the opening / closing means is installed inside the conduit, it is possible to control urination reliably and stably, and there is no fear of incontinence.
  • the support member that supports the guide tube is expanded and locked in the bladder, it is easy to install and remove without requiring the use of invasive means when installing and removing the urination control device body. be able to.
  • FIG. 1 (a) is a perspective view showing a state where a support member of a urination control device according to an embodiment (1) is expanded.
  • FIG. 2 is a top view showing a state in which the support member is contracted.
  • FIG. 3 (a) is an AA cross-sectional enlarged view of FIG. (B) is a cross-sectional enlarged view showing a state in which the opening / closing means is opened.
  • FIG. 5 (a) to (c) are diagrams illustrating a method of inserting and installing the urination control device according to the embodiment (1) from the urethra.
  • FIG. 6 (a) to (c) are diagrams illustrating a method for removing the urination control device according to the embodiment (1) from the urethra.
  • FIG. 7 is a cross-sectional view showing the opening / closing means of the urination control apparatus according to (a) Embodiment (2).
  • (b) is an enlarged sectional view showing a state in which the opening / closing means is opened.
  • FIG. 8] (a) to (d) are cross-sectional views showing the opening / closing means of the urination control device according to the embodiment (3).
  • FIG. 9 is a perspective view showing a valve holding member used in the urination control device according to the embodiment (3).
  • FIG. 10 is a cross-sectional view showing the opening / closing means of the urination control device according to (a) Embodiment (4). (b) It is a cross-sectional enlarged view which shows the state by which the opening / closing means was open
  • FIG. L l (a) A sectional view showing an opening / closing means of the urination control device according to the embodiment (5). (b) It is a cross-sectional enlarged view which shows the state by which the opening / closing means was open
  • FIG. 12 (a) is a cross-sectional view showing opening / closing means of the urination control device according to embodiment (6). (b) It is a cross-sectional enlarged view which shows the state by which the opening / closing means was open
  • FIG. 13 (a) to (c) are diagrams illustrating a method of inserting and installing the urination control device according to the embodiment (6) from the urethra.
  • FIG. 14 (a) to (c) are diagrams illustrating a method of removing the urination control device according to the embodiment (6) from the urethra.
  • FIG. 15 is a perspective view showing a state in which the support member of the urination control device according to the embodiment (7) is expanded.
  • (B) It is a perspective view which shows the state by which the supporting member of the urination control apparatus which concerns on embodiment (7) was contracted.
  • Protrusion Electromagnet Capacitor sensor, 20A to E Open / close means Valve Magnetic body Hook Open / close shaft Valve holding member 1 Support part 2 Deformation part
  • Coil part Locking member Valve operation member 30A Support member Deformation part Locking part Connection part Opening / closing instruction device Switch display Alarm device 51 Forceps
  • FIG. 1 is a perspective view showing an embodiment (1) such a urination control device.
  • the urination control device 1 is a urination control device 1 installed in the urethra, and includes a conduit 10 having an opening / closing means 20 therein and a support member 30 installed in the bladder connected to the conduit 10. Yes.
  • the conduit 10 is installed in the urethra, and an opening / closing means 20 for opening and closing the conduit 10 is provided therein.
  • a polymer compound having high biocompatibility and softness is preferably used.
  • a low-density polymer compound such as polyethylene, polypropylene, and silicone resin. Since these polymer compounds have high biocompatibility and softness, the conduit 10 adheres closely to the urethra and rarely stimulates the urethral mucosa.
  • the size of the conduit 10 varies depending on the object to which the urination control device 1 is installed, but usually the outer diameter is 3111111 to 10111111 (10? 1 to? 30?
  • the wall thickness is 0.1 mm to 0 mm. It is 5 mm long and 10 to 50 mm long.
  • the end portion of the conduit 10 opposite to the side where the support member 30 is provided is formed thinner than the center portion. As a result, when a forceps or the like, which will be described later, is inserted into the conduit 10, it will not be caught at the end.
  • the conduit 10 is provided with a holding member 11 for holding the shape.
  • a plurality of holding members 11 made of wires are provided so as to cross the opening surfaces at both ends of the conduit 10.
  • the support member 30 is expanded and locked in the urinary bladder to hold the conduit 10 in the urethra.
  • the deformable portion 31 expands in the urinary bladder, and extends to the deformable portion 31.
  • the deformable portion 31 includes a locking portion 32 that is locked in the bladder when the deformed portion 31 is expanded, and a connecting portion 33 that connects the deformable portion 31 and the conduit 10.
  • the deformed portion 31 expands in the bladder, and within the memory temperature range, the deformed portion 31 is as shown in FIG. As shown, the deforming portion 31 expands in a state of being developed in a planar shape. On the other hand, at a temperature lower than the memory temperature range, it shrinks to a U-shaped state as shown in Fig. 1 (b). When the deformed portion 31 is deformed into a U-shape, the support member 30 contracts to be smaller than the diameter of the conduit 10 when the upper surface force of the urine control device 1 is also seen, as shown in FIG. It is preferable that it is configured not to protrude 10.
  • the memory temperature range of the shape memory alloy to be used is usually 20 ° C.
  • a mesh-shaped deforming portion 31 so that the flow of urine does not receive resistance.
  • the mesh of the deformed portion 31 is usually about 2 to 5 mm mesh.
  • the metal wires that make up the mesh usually have a diameter of about 0.1 to 0.2 mm.
  • the locking portion 32 is for supporting the conduit 10 in the urethra, and is a blade-shaped structure extending at both ends of the deformable portion 31. Then, when the deforming portion 31 having the locking portion 32 extended at both ends is expanded in a planar shape, the locking portion 32 is also interlocked and expanded to be locked in the bladder.
  • the locking portions 32 are provided at both ends of the deformable portion 31 by a method such as adhesive, welding, or soldering. Further, it is preferable to use a mesh-like portion so that the locking portion 32 is not clogged by sediment in the urine.
  • the mesh of the locking portion 32 is usually about 2 to 5 mm, and the metal wire constituting the mesh is usually about 0.1 to 0.2 mm in diameter.
  • the material of the locking portion 32 it is preferable to use a metal having antibacterial properties that inhibits the growth of microorganisms. Specific examples include copper, silver, zinc, or those obtained by plating these metals with iron, SUS, or the like. Further, as the material of the locking portion 32, a net of a soft polymer compound to which the above metal or a salt thereof is added can be used.
  • the conduit 10 is provided with a protrusion 12 on the inner wall of the central portion in the axial direction.
  • a plurality of electromagnets 13 each having an iron core wound with a conductive wire and a capacitor 14 are embedded in the protrusion 12.
  • Each electromagnet 13 is connected by a conductive wire wound with an iron core, and is connected to a capacitor 14 installed on a part of the circumference.
  • the plurality of electromagnetic stones 13 are installed such that the NS poles are in the same direction.
  • the capacitor 14 is preferably embedded at a position corresponding to the fixing portion 16 to which the valve 21 of the protruding portion 12 is fixed.
  • a sensor 15 is provided on the inner wall of the conduit 10 on the support member 30 side in the vicinity of the protrusion 12.
  • the sensor 15 is for monitoring the intravesical pressure. This is for detection, and is configured to transmit the detected information to the opening / closing instruction device 40 described later.
  • a force-sensitive element that can use various sensors.
  • the pressure to be detected changes according to the amount of urine stored in the bladder, so that the amount of urine in the bladder can be detected.
  • the urine volume at the time of inducing urine is 150 ml, and the intravesical pressure at that time should not exceed 14.7 mmHg (200 mmH2O).
  • the opening / closing means 20 is for controlling the flow of urine, and includes a valve 21 for opening and closing the urethra inside the conduit 10.
  • the valve 21 has a circular shape along the shape of the conduit 10 and is provided so as to be in close contact with the protrusion 12 provided on the inner peripheral edge of the conduit 10 when closed. A part of the valve 21 is fixed to the protrusion 12 and the other part is removable.
  • a soft polymer compound having a bending elastic force is usually used, and a soft plastic such as polypropylene or polyethylene is preferably used. Thereby, the adhesiveness between the valve 21 and the protrusion 12 is improved.
  • a magnetic body 22 is provided on the entire periphery of the opening / closing means 20 except for the fixing portion 16 with the protrusion 12. For this reason, the magnetic body 22 is attracted to the electromagnet 13 provided on the protrusion 12, and the adhesion between the valve 21 and the protrusion 12 is improved.
  • the magnetic body 22 is provided by a method of embedding inside the film of the valve 21 or a method such as vapor deposition on the surface of the valve 21. Further, the valve 21 is provided with a hook 23 so that it can be opened and closed by using forceps or the like.
  • the opening / closing means 20 is opened and closed by an external opening / closing instruction device 40 as shown in FIG.
  • the opening / closing instruction device 40 is configured such that opening / closing of the opening / closing means 20 can be controlled by a switch 41.
  • the opening / closing instruction device 40 includes a calculation unit that receives a signal from the sensor 15 and calculates the received signal force urine volume in the bladder.
  • the urine volume in the bladder is displayed on the display 42 so that the urine volume in the bladder can be monitored.
  • the open / close instruction device 40 is provided with an alarm device 43 that generates a warning sound when a signal exceeding the set value is received from the sensor 15, that is, when the urine volume in the bladder exceeds the set value.
  • the set value can be set as appropriate according to the object to be attached.
  • the switch 41 When a signal exceeding the set value is received from the sensor 15 and a warning sound is generated, the switch 41 is switched to ON. When switch 41 is turned on, static electricity is radiated and this electrical energy is stored in capacitor 14. Then, the electricity stored in the capacitor 14 flows through the conducting wire to the coil and generates a magnetic field in a direction that prevents the direction of the magnetic lines of force of the electromagnet 13. As a result, the attractive force between the magnetic body 22 and the electromagnet 13 of the valve 21 is weakened, and as shown in FIG. 3B, the valve 21 is opened by the urine pressure, and urine is discharged.
  • valve 21 When the release of urine is almost finished, the valve 21 is restored by the bending elastic force, and the magnetic body 22 provided in the valve 21 is attracted to the electromagnet 13. Then, as shown in FIG. 3 (a), the valve 21 is restored to the state of being in close contact with the protrusion 12.
  • the hook 21 is pulled down using forceps 51 or the like to open the valve 21.
  • the switch 41 of the opening / closing instruction device 40 is turned ON.
  • the deforming portion 31 of the urination control device 1 is cooled to a temperature lower than the memory temperature range of the shape memory alloy, and the support member 30 is folded into a U shape.
  • the support member 30 is inserted into the urethra C with the U-shape maintained.
  • the urination control device 1 is inserted until the support member 30 reaches the inside of the bladder A, as shown in FIG.
  • the conduit 10 is installed near the bladder inlet B in the urethra C.
  • the urination control device 1 can be easily inserted to a predetermined position without being caught inside the urethra C.
  • a method for cooling the deformed portion 31 to keep it at a low temperature include a method of holding the deformed portion 31 with the cooled forceps 50 and inserting it from the urethra. It is also possible to keep the urination control device 1 in a refrigerator or the like before inserting the urethral force.
  • the temperature of the deformed portion 31 inserted into the bladder A rises due to body heat and falls within the memory temperature range of the shape memory alloy. Then, as shown in FIG. 5 (c), the deforming portion 31 is expanded in a flat shape, and the locking portions 32 extending at both ends of the deforming portion 31 are locked in the bladder A. Is done. As a result, the conduit 10 is held in the urethra C where it cannot move due to the influence of urine flow or the like. Subsequently, the forceps 50 are removed, and after removing the forceps 51, the switch 41 of the opening / closing instruction device 40 is turned OFF, and the valve 21 of the opening / closing means 20 is closed.
  • the flow of urine can be reliably stopped and released by the opening / closing means 20.
  • the urination control device 1 of the present invention it is possible to easily install and remove from the bladder simply by using the forceps 50 and 51 that do not need to be installed and removed by surgery or the like. .
  • the urination control device 1 is provided with the sensor 15 so as to detect the intravesical pressure, it is possible to know the timing of urination, and using the open / close instruction device 40 outside the body V, This makes it easy to give instructions for urination.
  • Embodiment (2) will be described with reference to FIG. Embodiment (2)
  • This urination control device is the same as the urination control device of Embodiment (1) except that the opening / closing means 20A includes an opening / closing shaft 24 provided in the diameter direction inside the conduit 10, and an opening / closing shaft 24 is provided with a valve 21 that can be opened and closed.
  • a magnetic body 23 is embedded in the peripheral portion of the valve 21 in the same manner as in the embodiment (1).
  • the valve 21 is opened and closed by an external opening / closing instruction device 40.
  • the opening / closing instruction device 40 instructs to open the opening / closing means 20
  • the valve 21 is opened by urine pressure as shown in FIG. 7 (b), and urine is discharged.
  • the valve 21 is restored by the bending elastic force, and the magnetic body 22 provided in the valve 21 is attracted to the electromagnet 13. Then, as shown in FIG. 7 (a), the valve 21 is restored to be in close contact with the protruding portion 12.
  • valve 21 can be securely held by the opening / closing shaft 24.
  • Embodiment ( The urination control device according to 3) is characterized in that, in the urination control device of the above embodiment (1), the opening / closing means 20B includes a valve holding member 25 that opens and closes the valve 21 according to the temperature.
  • Other configurations such as the conduit 10 and the support member 30 are the same as those in the embodiment (1).
  • the valve holding member 25 includes a support portion 251 provided over the entire circumference of the valve 21, and a part of the valve 21 connected to the support portion 251 and fixed to the tube wall of the conduit 10.
  • the deforming part 2 52 and the force are also configured.
  • the deformable portion 252 is connected to the coil portion 26 wound in a coil shape.
  • the deformable portion 252 is made of a shape memory alloy that deforms according to temperature.
  • the material of the support portion 251 is not particularly limited, but it is preferable that the support portion 251 is integrally formed using a shape memory alloy in the same manner as the deformation portion 252.
  • the coil portion 26 is not particularly limited as long as it is conductive, and for example, a copper wire is preferably used.
  • the deformable portion 252 is provided to open and close the valve 21 with respect to the tube wall of the conduit 10, and fixes a part of the valve 21 to the tube wall of the conduit 10.
  • the deformed portion 252 has an L shape below the memorized temperature range, and the valve 21 comes into close contact with the protruding portion 12 of the conduit 10 to close the urethra.
  • the temperature is above the memory temperature range, it is deployed integrally with the support 251 and the valve 21 is opened.
  • the memory temperature range of the shape memory alloy used for the valve holding member 25 is usually 45 ° C to 65 ° C, and 50 ° C to 55 ° C is particularly preferable. It is also possible to attach a heat insulating material to the portion where the valve holding member 25 comes into contact with the urethral mucosa so that heat is not directly transmitted.
  • the coil portion 26 is wound around the tube wall of the conduit 10 in a coil shape.
  • the coil unit 26 generates an induced current when receiving a low-frequency AC magnetic field from the switching instruction device 40.
  • the valve holding member 25 forms a current circuit as a whole of the support portion 251, the deformation portion 252, and the coil portion 26.
  • a locking member 27 for holding the valve 21 in a closed state is provided on the tube wall of the conduit 10 at a position opposite to the position where the valve holding member 25 is provided.
  • the coil member 26 is connected to the locking member 27 in the same manner as the deformed portion 252 so that the induced current generated in the coil portion 26 flows.
  • the locking member 27 has an L shape below the storage temperature range, supports the valve 21 from below, and maintains the adhesion between the valve 21 and the protrusion 12 of the conduit 10. On the other hand, less than the storage temperature range Above, deploy so as not to prevent the valve 21 from opening.
  • the memory temperature range of the shape memory alloy used for the locking member 27 is lower than that of the support member 25, and is usually 40 ° C to 60 ° C, particularly preferably 45 ° C to 50 ° C.
  • the switch of the opening / closing instruction device is turned ON, an induced current is generated in the coil section 26.
  • the induced current generated in the coil portion 26 flows through the entire valve holding member 25, and heat is generated in the valve holding member 25 due to resistance.
  • the induced current generated in the coil portion 26 flows to the locking member 27.
  • the locking member 27 expands beyond the memory temperature range of the shape memory alloy, and subsequently, the deformed portion 252 of the valve holding member 25 expands. As a result, as shown in FIG.
  • the valve 21 is opened by the deforming portion 252 and urine is discharged.
  • the switch of the opening / closing instruction device is turned off after the urine has been released, the induction current generated in the coil portion 26 does not flow, and the temperature of the valve holding member 25 decreases, and falls below the memory temperature range of the shape memory alloy. Due to the decrease in temperature, the deformed portion 252 of the opening / closing means 25 contracts as shown in FIG. 8 (c) and becomes L-shaped again, closing the valve 21 and closing the urethra. Then, when the temperature of the locking member 27 further falls below the memory temperature range of the shape memory alloy, the locking member 27 is deformed and becomes L-shaped again as shown in FIG. 8 (d). As a result, the valve 21 is kept in close contact with the protrusion 12.
  • the valve holding member 25 having the same effect as the above embodiment (1) and also having a shape memory alloy force is used as the opening / closing means.
  • the valve 21 can be opened and closed without using a control device.
  • the locking member 27 is provided to support the valve 21 from below when the valve 21 is closed, the close contact with the protrusion 12 of the valve 21 is maintained, and the urethra can be stably closed.
  • the valve holding member 25 is integrally formed of a shape memory alloy.
  • the supporting portion 251 is electrically conductive except that the deformable portion 252 is a shape memory alloy.
  • Various types of metallic materials can be used.
  • Embodiment (4) will be described with reference to FIG.
  • the urination control device according to the embodiment (4) is the same as the urination control device according to the embodiment (1), except for the valve 21 for opening and closing the opening / closing means 20C 1S conduit 10 and the valve for holding the valve 21. From holding member 25 It is characterized by being configured.
  • the conduit 10 is provided with a protrusion 12 along the circumference on the inner wall of the substantially central portion in the tube direction.
  • the valve 21 is for opening and closing the conduit, and has a circular shape along the cross-sectional shape of the conduit 10. When the valve 21 is closed, the valve 21 is in close contact with the protrusion 12 provided on the inner peripheral edge of the conduit 10. When opening, the support member 30 is provided so as to open in the opposite direction. The end of the valve 21 is fixed to the pipe wall of the conduit 10 by a valve holding member 25.
  • the valve 21 is provided with a hook 23 so that it can be opened and closed with forceps or the like.
  • valve holding member 25 is formed of an elastic material such as a panel, for example, and has a support portion 251 provided over the entire periphery of the valve 21, and an end portion of the valve 21 connected to the support portion 251. And a deformable portion 252 that fixes the tube 10 to the tube wall of the conduit 10.
  • the elasticity of the valve holding member 25 can be appropriately selected according to the intravesical pressure of the person wearing the urination control device. Generally, the intravesical pressure is about 15 mmHg (200 mmH 2 O), and urine has accumulated in the bladder.
  • the increase in the internal pressure is reduced because the increase in the internal pressure of the bladder is alleviated by the extension of the bladder wall. Therefore, the elastic force of the valve holding member 25 is preferably 15 mmHg (200 mmH 2 O) to 30 mmHg (400 mmH 2 O) based on the intravesical pressure of the wearer.
  • the opening / closing means 20C is opened and closed by the wearer without using an opening / closing instruction device or the like. That is, when the wearer applies force to the abdomen and applies abdominal pressure, the intravesical pressure rapidly increases, and the valve 21 can be pushed down and released by staking the elastic force of the valve holding member 25. Then, the urine stored by opening the valve 21 is discharged. Then, urine is discharged, and when the wearer stops applying the abdominal pressure, the intravesical pressure decreases, and the valve 21 is restored by the elastic force of the valve holding member 25 and is brought into close contact with the protrusion 12 again. Then, since the conduit 10 is closed by the valve 21 and the urine flow is blocked, urine storage is resumed.
  • the urine flow can be reliably stopped and released by the opening / closing means 20C. And when the valve 21 is opened, the wearer It is possible to carry out easily by simply removing. Further, according to this urination control device 1, it is possible to easily install and remove it from the bladder simply by using the forceps 50 that need not be installed and removed by surgery or the like.
  • Embodiment (5) will be described with reference to FIG.
  • the valve operation member 28 for operating the opening and closing of the valve 21 of the opening and closing means 20D is provided in the valve 21 in the urination control device of the above embodiment (4). It is characterized by that.
  • the conduit 10 is provided with a protrusion 12 along the circumference on the inner wall of the substantially central portion in the tube direction.
  • the valve 21 has a circular shape that follows the shape of the conduit 10. When the valve 21 is closed, the valve 21 is in close contact with the protrusion 12 provided on the inner periphery of the conduit 10, and when opened, it is opposite to the support member 30. It is provided to open in the direction.
  • the end of the valve 21 is fixed to the pipe wall of the conduit 10 by a valve holding member 25.
  • the valve holding member 25 is formed of, for example, an elastic material such as a panel, and a support portion 251 provided over the entire periphery of the valve 21 and an end portion of the valve 21 connected to the support portion 251 as a conduit. And 10 deformable portions 252 fixed to the tube wall.
  • the valve 21 is provided with a hook 23 for attaching the valve operating member 28. As the valve operating member 28, a thread, a string, a metal wire or the like can be used.
  • the opening / closing means 20D of the urination control device 1 is opened and closed using the valve operating member 28 without using an opening / closing instruction device or the like.
  • the valve operating member 28 is pulled and piled on the elastic force of the valve holding member 25 to push down the valve 21.
  • the valve 21 is opened and the stored urine can be discharged.
  • the opening / closing means 20 is closed, the valve 21 is restored by the elastic force of the valve holding member 25 by releasing the hand from the valve operating member 28 and is brought into close contact with the protrusion 12 again.
  • the conduit 10 is closed by the valve 21 and the urine flow is blocked, so that urine storage is resumed.
  • the method for inserting and installing the urination control device 1 of the present invention from the urethra and the method for removing it are implemented except that the valve 21 is opened and closed using the valve operating member 28 instead of the forceps 51. It can be performed in the same manner as in the form (1).
  • the urine flow can be reliably stopped and released by the opening / closing means 20D.
  • the valve 21 is also opened and closed This can be easily performed using the operation member 28.
  • it is possible to easily install and remove it from the bladder simply by using the forceps 50 that need not be installed and removed by surgery or the like.
  • the urination control device according to the embodiment (6) is the urination control device according to the embodiment (1), wherein the opening / closing means 20E has a valve 21 for opening and closing the conduit 10, and a valve for opening and closing the valve 21.
  • the holding member 25 and the like are configured.
  • the conduit 10 is provided with a protruding portion 12 along the circumference on the inner wall of the substantially central portion in the tube direction.
  • the valve 21 has a circular shape along the shape of the conduit 10 and is provided so as to be in close contact with the protrusion 12 provided on the inner peripheral edge of the conduit 10 when closed.
  • the valve 21 is provided closer to the support member 30 than the protrusion 12 and is provided to open and close toward the support member 30.
  • the end of the valve 21 is fixed to the pipe wall of the conduit 10 by a valve holding member 25.
  • the valve holding member 25 is formed of a material having elasticity such as a panel, for example, and a support portion 251 provided over the entire circumference of the valve 21 and an end portion of the valve 21 connected to the support portion 251 of the conduit 10. And a deformation portion 252 fixed to the tube wall.
  • the opening / closing means 20E of the urination control device 1 is opened and closed without using an opening / closing instruction device or the like, for example, using a catheter 52 having a shape as shown in FIGS. 12 (a) and 12 (b). It is.
  • the catheter 52 is a tube made of a soft polymer, and includes a main body portion 521 and a distal end portion 522 formed with a diameter smaller than that of the main body portion 521. Note that the outer diameter of the main body portion 521 is provided so as to be larger than the inner diameter of the portion of the conduit 10 where the protrusion 12 is provided.
  • the distal end portion 522 is provided with a plurality of discharge ports 523 so that urine can be discharged.
  • the catheter 52 is inserted into the conduit 10, and the valve 21 is pushed up by being piled on the elastic force of the valve holding member 25 by the distal end portion 522. As a result, the valve 21 is opened and the stored urine can be discharged.
  • the catheter 52 is further inserted, as shown in FIG. 12 (b), the main body portion 521 comes into contact with the protruding portion 12. Therefore, the insertion of the catheter 52 is prevented, so that the catheter 52 cannot be accidentally inserted deeply.
  • valve 21 of the opening / closing means 20E When the valve 21 of the opening / closing means 20E is closed, the valve 21 is restored by the elastic force of the valve holding member 25 by pulling out the catheter 52 from the conduit 10, and is brought into close contact with the protrusion 12 again. Since the conduit 10 is closed by the valve 21 and the urine flow is blocked, the urine storage is resumed.
  • the cooled forceps 51 and the like are inserted into the conduit 10, and the valve 21 is pushed up to open.
  • the deformed portion 31 of the urination control device 1 is gripped by using the forceps 51 and cooled to a temperature lower than the memory temperature range of the shape memory alloy, and the support member 30 is U-shaped. Fold into shape. Then, the support member 30 is inserted until the support member 30 reaches the inside of the bladder A with the support member 30 kept in a U-shape as shown in FIG. 13 (b). The temperature of the deformed portion 31 inserted into the bladder A rises due to internal heat and falls within the memory temperature range of the shape memory alloy. Then, as shown in FIG.
  • the deformed portion 31 is expanded in a flattened state, and the locking portions 32 extending at both ends of the deformed portion 31 are engaged in the bladder A. Stopped. As a result, the conduit 10 is held in the urethra C where it cannot move due to the influence of urine flow or the like. Subsequently, by removing the forceps 50, the valve 21 is closed by the restoring force of the opening / closing means 25.
  • the cooled forceps 50 is inserted into the conduit 10 and the valve 21 is pushed up. .
  • the forceps 50 are further inserted and the deformed portion 31 is gripped to cool the deformed portion 31 to a temperature lower than the recovery temperature of the shape memory alloy. Since the deformed portion 31 returns to the U shape again, as shown in FIG. 14 (c), the deformable portion 31 can be removed from the bladder A without being pulled into the urethra C.
  • the flow of urine can be reliably stopped and released by the opening / closing means 20E.
  • the valve 21 can be opened and closed by pushing the valve 21 up by the catheter 52, and the valve 21 can be easily opened and closed.
  • the urination control device 1 it is possible to easily install and remove it from the bladder simply by using the forceps 50 that need not be installed and removed by surgery or the like. Further, when installing and removing the urination control device, it is necessary to grasp the support member 30 and open the valve 21, but both operations can be performed with one instrument.
  • the urination control device is the urination control device of the above embodiment (1), characterized in that it is a wire made of a support member 30A force shape memory alloy and wound in a coil shape. And Other configurations such as the conduit 10 and the opening / closing means 20 are the same as those in the embodiment (1).
  • the support member 30A expands in the bladder, and within the memory temperature range, as shown in Fig. 15 (a), the diameter of the wire of the shape memory alloy wound in a coil shape is expanded. To expand. On the other hand, at a temperature lower than the memory temperature range, as shown in FIG. 15 (b), the shape memory alloy wire wound in a coil shape contracts to a reduced diameter state.
  • the support member 30A is preferably contracted to be smaller than the diameter of the conduit 10 when the urination control device 1 is also viewed from the upper surface force.
  • the memory temperature range of the shape memory alloy to be used is usually 20 ° C. to 35 ° C., and 25 ° C. to 30 ° C. is particularly preferable.
  • the shape memory alloy wire usually has a diameter of about 0.5 to 1. Omm. It is also possible to provide antibacterial properties by covering the surface of the shape memory alloy with copper, silver, zinc or the like.
  • the method of inserting and installing the urination control apparatus according to the embodiment (7) from the urethra can be performed in the same manner as in the embodiment (1). Specifically, the support member 30A is cooled to a temperature lower than the memory temperature range of the shape memory alloy to reduce the diameter. Then, the support member 30A is inserted from the urethra to the vicinity of the intravesical entrance with the diameter reduced. The support member 30A inserted to the vicinity of the bladder inlet is deformed so that the temperature reaches the memory temperature range of the shape memory alloy due to internal heat and expands in diameter. The expanded support member 30A is locked in the bladder.
  • the supporting member 30A has the same effect as the above embodiment (1) and has only the configuration of a shape memory alloy wire wound in a coil shape. Locked into the bladder. Further, since the entire support member 30 is composed of a shape memory alloy wound in a coil shape, it can be easily formed.
  • the shape memory alloy deformed according to the temperature is used as the support member 30, but the present invention is not limited to this, and mechanical Those that expand and contract by various means can also be used.
  • the present invention can be used as a urination control device for a person having urinary incontinence, a pet or the like.

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  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Prostheses (AREA)

Abstract

L'invention a pour objet un dispositif servant à contrôler la miction par lequel la miction peut être contrôlée de façon sûre et stable et qui peut être facilement placé dans le tractus urinaire et enlevé de celui-ci. A savoir que l'invention concerne un dispositif (1) servant à contrôler la miction devant être inséré dans le tractus urinaire et placé en direction de la vessie, lequel est pourvu d'un tube (10) ayant dans celui-ci des moyens de commande (20) servant à contrôler le flux d'urine descendant et un support (30) qui s'ouvre dans la vessie et se bloque dans celle-ci de façon à maintenir le tube (10) dans le tractus urinaire. Dans un mode de réalisation préféré, le dispositif servant à contrôler la miction est caractérisé en ce que le support (30) a une partie déformable (31) qui s'ouvre dans la vessie et une partie de blocage (32) attachée à la partie déformable (31) qui se bloque dans la vessie lorsque la partie déformable (31) s'ouvre.
PCT/JP2006/308471 2005-04-21 2006-04-21 Dispositif servant à contrôler la miction WO2006115225A1 (fr)

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JP2007514694A JPWO2006115225A1 (ja) 2005-04-21 2006-04-21 排尿制御装置

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JP2005-124331 2005-04-21
JP2005124331 2005-04-21

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007229251A (ja) * 2006-03-01 2007-09-13 Olympus Corp 細胞シートの搬送方法および取付装置
ES2343449A1 (es) * 2010-03-01 2010-07-30 Arquimea Ingenieria, S.L. Dispositivo de obturacion intrauretral controlado a distancia.
WO2010122976A1 (fr) 2009-04-20 2010-10-28 株式会社ケイロン・ジャパン Dispositif de régulation de miction
US20110097669A1 (en) * 2007-08-09 2011-04-28 Hiroji Fukui Photocurable composition
WO2013144770A2 (fr) 2012-03-17 2013-10-03 Pinzi Novello Structure de sphincter endo-urétral artificiel
KR101431052B1 (ko) 2012-07-10 2014-08-21 서강대학교산학협력단 배뇨 제어 장치
WO2014160517A1 (fr) * 2013-03-13 2014-10-02 Paulsen Laura Unité d'acquisition de données objectives déployable et extractible
WO2018130358A1 (fr) * 2017-01-16 2018-07-19 Friedrich-Alexander-Universität Erlangen-Nürnberg Sphincter artificiel
CN110279488A (zh) * 2019-08-05 2019-09-27 安徽医科大学第一附属医院 一种原位膀胱的辅助排尿装置及其人造膀胱
WO2021250243A1 (fr) * 2020-06-12 2021-12-16 Bio Medical Device As Dispositif de régulation de débit

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Publication number Priority date Publication date Assignee Title
JPH03118059A (ja) * 1989-07-07 1991-05-20 Bristol Myers Squibb Co 女性失禁制御装置
JPH04108445A (ja) * 1989-12-11 1992-04-09 Bristol Myers Squibb Co 女性用失禁コントロール装置
JPH10507652A (ja) * 1994-08-02 1998-07-28 ジェイ ラム，マイケル 電子センサーを含む女性用尿失禁対策装置
JP2004505690A (ja) * 2000-08-03 2004-02-26 ラーニャー　リミテッド 無バルーン型尿道カテーテル

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH03118059A (ja) * 1989-07-07 1991-05-20 Bristol Myers Squibb Co 女性失禁制御装置
JPH04108445A (ja) * 1989-12-11 1992-04-09 Bristol Myers Squibb Co 女性用失禁コントロール装置
JPH10507652A (ja) * 1994-08-02 1998-07-28 ジェイ ラム，マイケル 電子センサーを含む女性用尿失禁対策装置
JP2004505690A (ja) * 2000-08-03 2004-02-26 ラーニャー　リミテッド 無バルーン型尿道カテーテル

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007229251A (ja) * 2006-03-01 2007-09-13 Olympus Corp 細胞シートの搬送方法および取付装置
US20110097669A1 (en) * 2007-08-09 2011-04-28 Hiroji Fukui Photocurable composition
US8536242B2 (en) * 2007-08-09 2013-09-17 Sekisui Chemical Co., Ltd. Photocurable composition
US8801697B2 (en) 2009-04-20 2014-08-12 Cheiron Japan Co. Urination control device
WO2010122976A1 (fr) 2009-04-20 2010-10-28 株式会社ケイロン・ジャパン Dispositif de régulation de miction
CN102405033A (zh) * 2009-04-20 2012-04-04 康利隆日本公司 排尿控制装置
ES2343449A1 (es) * 2010-03-01 2010-07-30 Arquimea Ingenieria, S.L. Dispositivo de obturacion intrauretral controlado a distancia.
WO2013144770A2 (fr) 2012-03-17 2013-10-03 Pinzi Novello Structure de sphincter endo-urétral artificiel
KR101431052B1 (ko) 2012-07-10 2014-08-21 서강대학교산학협력단 배뇨 제어 장치
WO2014160517A1 (fr) * 2013-03-13 2014-10-02 Paulsen Laura Unité d'acquisition de données objectives déployable et extractible
WO2018130358A1 (fr) * 2017-01-16 2018-07-19 Friedrich-Alexander-Universität Erlangen-Nürnberg Sphincter artificiel
CN110279488A (zh) * 2019-08-05 2019-09-27 安徽医科大学第一附属医院 一种原位膀胱的辅助排尿装置及其人造膀胱
WO2021250243A1 (fr) * 2020-06-12 2021-12-16 Bio Medical Device As Dispositif de régulation de débit

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