[특허]Auxiliary intra-urethral magnetic valve for persons suffering from urinary incontinence

[미국특허] Auxiliary intra-urethral magnetic valve for persons suffering from urinary incontinence 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-002/02 A61F-002/04
출원번호	US-0476211 (1990-02-07)
우선권정보	IL-0089297 (1989-02-15)
발명자 / 주소	Beyar Mordechay (Caesaria ILX) Foux Amnon (Haifa ILX)
출원인 / 주소	Technion Research and Development Foundation Ltd. (Hiafa ILX 03)
인용정보	피인용 횟수 : 44 인용 특허 : 4

초록 ▼

A urethral magnetic valve for insertion into the urethra of a person suffering from incontinence includes a plastic tube of a diameter suitable for insertion close to the bladder. It forms a valve seat in its distal portion to be normally closed by an elongate valve member of a ferro-magnetic, non-corrosive material. The valve member has a surface corresponding to the valve seat at its proximal end, tapers towards its distal end, and is urged onto the seat by a spring attached at its distal end to the proximal valve end. The spring extends inside the tube and is fastened to the latter at its proximal end; it is so dimensioned that it will keep the valve closed at normal pressure and permit the valve member to be lifted off the seat by overpressure in the bladder. The person wishing to urinate holds a permanent or electro-magnet close to the skin over the pubic area, which attracts and tilts the ferro-magnetic valve member, thereby opening the passage through the tube and through the urethra.

대표청구항 ▼

An auxiliary urethral valve for insertion into the urethra of a person unable to control his or her bladder function, having a proximal end and a distal end, the valve including a spring-supported, ferromagnetic valve member adapted to be opened by a magnetic field created by a magnet positioned outside the body of the wearer, said valve comprising: a tubular casing of a diameter coextensive with the dimension of the urethral duct and made of a nonmagnetic and innocuous material, said tube being lengthwise perforated by a throughgoing passage provided with an inwardly protruding valve seat, a valve member of a ferromagnetic, innocuous material comprising a valve surface corresponding to said valve seat of said tubular casing, a solid valve body extending from said valve surface and tapering towards its distal end and a spring-engaging portion extending from said valve body in proximal direction, a tension spring having its distal end fastened to said spring-engaging portion of said valve member and its proximal end fastened to said casing, so dimensioned as to urge said valve member onto said valve seat at normal pressure in the bladder and to permit said valve member to be lifted of said seat by overpressure; means for opening said valve at normal bladder pressure being effected by tilting of said valve member by a magnetic field, whereby a first portion of said valve surface is lifted off said valve seat and a second portion remains in contact with said valve seat opening a passage for urine from the bladder into the open.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Leighton, Stephen B., Intra-urethral prosthetic sphincter valve.
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Adamson ; Jane E., Liquid dispenser with magnetically operable valve.
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Beblavi James C. (Littleton CO) Williams Laurence O. (Orlando FL), Magnetically actuated valve.
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Hennig Gerhard (Gauting DEX) Willital Gunter (Hemhofen DEX), Magnetically operated closure for an intestinal orifice.
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이 특허를 인용한 특허 (44) 인용/피인용 타임라인 분석

Miller,Paul Leonard, Active tissue augmentation materials and method.
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Salama Fouad A., Artificial sphincter urinary control system.
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Conway, Anthony J.; McLeod, Patrick H.; Grinde, Sarah L.; Wiste, Jeremy M., Catheter grip and method.
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Conway, Anthony J.; Grinde, Sarah L., Catheter in bag without additional packaging.
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Rioux, Robert F.; O'Keefe, Christopher R., Draining bodily fluid.
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Rioux, Robert F.; O'Keefe, Christopher R., Draining bodily fluid.
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Rioux,Robert F.; O'Keefe,Christopher R., Draining bodily fluid.
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Robert F. Rioux ; Christopher R. O'Keefe, Draining bodily fluid.
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Wei, Xuan K.; Bonde, Eric H.; Bombeck, Charles Thomas, Implantable urinary tract valve.
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Cohen Kenneth L. ; Hanlon Dennis, Internal urinary catheter.
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Robert A. Latour, Jr., Intra-urethral device for incontinence and method for making and using the same.
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Latour, Jr., Robert A., Intraurethral device for incontinence.
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Latour, Jr., Robert A.; Carman, Brent G., Intraurethral device for treating or detecting various diseases or infections of the urinary system.
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Davis Phillip J., Intraurethral magnetic valve.
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Von Iderstein Irwin F. (136 Cotuit Bay Dr. Cotuit MA 02635), Involuntary urine control apparatus, system and method.
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Sohn Zev,ILX, Magnetically-coupled implantable medical devices.
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Conway, Anthony J.; Fryer, Jr., Richard D., Male external catheter with absorbent and adhesive.
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Pol, Guillermo L., Medical tubes for selective mechanical ventilation of the lungs.
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Pol, Guillermo L., Medical tubes for selective mechanical ventilation of the lungs.
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Kugler, Chad J.; Grudem, Jr., Jerome K.; Berg, Todd A.; Swanson, William J., Methods and apparatus for treating body tissue sphincters and the like.
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Kugler, Chad J; Grudem, Jr., Jerome K; Berg, Todd A; Swanson, William J, Methods and apparatus for treating body tissue sphincters and the like.
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Forman, Michael R.; Stinson, Jonathan S.; Helmus, Michael N., Perfusion balloon catheter.
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Forman Michael R. ; Stinson Jonathan S. ; Helmus Michael N., Perfusion balloon catheter having a magnetically driven impeller.
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Carter, Matthew P.; Jones, Brian K., Self-cleaning stent.
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Conway, Anthony J.; Grinde, Sarah L., Sheath for securing urinary catheter.
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Conway, Anthony J.; Fryer, Jr., Richard D., Silicone rubber male external catheter with absorbent and adhesive.
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Villani, Mario; Cappabianca, Leo; Merrill, David A.; Villani, Rosanna; Villani, Giuseppe, Stoma stabilitating device and method.
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Chirico, Paul E.; Chan, Ben M.; Knopp, Peter G., Threaded bone filling material plunger.
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Charles D. Lennox ; Ronald B. Lamport ; Andrew H. Levine ; Douglas E. Godshall ; Aaron Perlmutter ; Steven Nordstrom, Treating urinary retention.
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Lennox, Charles D.; Lamport, Ronald B.; Levine, Andrew H.; Godshall, Douglas E.; Perlmutter, Aaron; Nordstrom, Steven, Treating urinary retention.
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Lennox, Charles D.; Lamport, Ronald B.; Levine, Andrew H.; Godshall, Douglas E.; Perlmutter, Aaron; Nordstrom, Steven, Treating urinary retention.
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Lennox, Charles D.; Lamport, Ronald B.; Levine, Andrew H.; Godshall, Douglas E.; Perlmutter, Aaron; Nordstrom, Steven, Treating urinary retention.
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Von Iderstein Irwin F., Urethra control device.
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Willard Lloyd K., Urethral apparatus with position indicator and methods of use thereof.
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Willard Lloyd K., Urethral apparatus with position indicator and methods of use thereof.
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Willard Lloyd K., Urethral device with anchoring system.
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Willard Lloyd K., Urethral device with anchoring system.
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Orr, Robert Mitchell; Bellaire, Thom; Halsted, Nigel; Janzen, Ernie, Urethral plug.
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Anthony J. Conway ; Philip J. Conway ; Richard D. Fryar, Jr., Urethral urine retention device.
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Conway Anthony J. ; Conway Philip J. ; Fryar ; Jr. Richard D., Urethral urine retention device.
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Conway Anthony J. ; Conway Philip J. ; Fryar ; Jr. Richard D., Urethral urine retention device.
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Whalen,Mark J.; Willard,Lloyd K., Urinary flow control device and method.
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Von Iderstein Irwin F. ; Cheng Gordon C., Urine control device.
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Sigurdsson Per Arne,SEX, Valve.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Auxiliary intra-urethral magnetic valve for persons suffering from urinary incontinence 원문보기