초록 ▼

The device comprises a body for arrangement in the vagina for compressive action on and support of the neck of the bladder and optionally the urethra. The body has a substantially elongated shape with a longitudinal axis extending, in the intended direction of insertion, from a proximal to a distal

The device comprises a body for arrangement in the vagina for compressive action on and support of the neck of the bladder and optionally the urethra. The body has a substantially elongated shape with a longitudinal axis extending, in the intended direction of insertion, from a proximal to a distal end, and is made from a compressive and elastically deformable material. The body comprises at least one part protruding from the outer surface of the body and providing at least one pressure area for contact with the neck of the bladder and optionally the urethra.

대표청구항 ▼

The device comprises a body for arrangement in the vagina for compressive action on and support of the neck of the bladder and optionally the urethra. The body has a substantially elongated shape with a longitudinal axis extending, in the intended direction of insertion, from a proximal to a distal

The device comprises a body for arrangement in the vagina for compressive action on and support of the neck of the bladder and optionally the urethra. The body has a substantially elongated shape with a longitudinal axis extending, in the intended direction of insertion, from a proximal to a distal end, and is made from a compressive and elastically deformable material. The body comprises at least one part protruding from the outer surface of the body and providing at least one pressure area for contact with the neck of the bladder and optionally the urethra. 0.11; US-6354185, 20020300, Sturman, 091/454; US-6360728, 20020300, Sturman, 123/508; US-6543405, 20030400, Sachdev et al., 123/195.R; US-6591796, 20030700, Scott, 123/090.13 ising a second hydraulic actuator and wherein the spool is movable to a fourth position at which the proportional valve is adapted to couple the source of fluid to the second hydraulic actuator to move the engine valve toward the engine valve open position.12. The apparatus of claim 1, wherein the engine valve return comprises a mechanical return spring.13. The apparatus of claim 1, wherein the engine valve return comprises a hydraulic return.14. The apparatus of claim 1, wherein the proportional valve is a closed center proportional valve.15. The apparatus of claim 1, wherein the proportional valve is a 3-way closed center proportional valve.16. The apparatus of claim 1, wherein the proportional valve is a closed center 4-way proportional valve.17. The apparatus of claim 1, wherein the electrically controlled valving comprises two two-way valves.18. The apparatus of claim 1, wherein the electrically controlled valving comprises a 3-way, 3-position valve.19. The apparatus of claim 18, wherein the 3-way, 3-position, valve is a 3-way, 3 position pilot spool valve.20. The apparatus of claim 11, wherein when the spool travels to the first, second or third position the proportional valve is adapted to couple the reservoir of fluid to the second hydraulic actuator.21. The apparatus of claim 17, wherein the two two-way valves are two two-way spool valves.22. The apparatus of claim 1 wherein the electrically controlled valving hydraulically controlling the position of the valve member comprises electrically controlled valving for controllably applying a first hydraulic force to move the valve member in one direction, and for controllably removing the first hydraulic force to allow a second hydraulic force that is less than the first hydraulic force to move the valve member in an opposite direction.23. The apparatus of claim 1 wherein the electrically controlled valving hydraulically controlling the position of the valve member comprises electrically controlled valving for controllably applying a first hydraulic force to move the valve member in one direction, and for controllably removing the first hydraulic force to allow a return spring to move the valve member in an opposite direction.24. The apparatus of claim 1, wherein the electrically controlled valving comprises two two-way, double solenoid spool valves.25. The apparatus of claim 1, wherein the electrically controlled valving comprises two two-way, magnetically latchable spool valves.26. The apparatus of claim 1, wherein the electrically controlled valving comprises a 3-way, 3-position, double solenoid valve.27. The apparatus of claim 1, wherein the electrically controlled valving comprises a 3-way, 3-position, magnetically latchable valve.28. Apparatus adapted for operating an engine valve, comprising: a hydraulic actuator operable to selectively move the engine valve toward an engine valve open position by the pressure of a fluid acting on the hydraulic actuator; a sensor adapted to sense the position of the engine valve; a proportional valve having a valve member moveable between a first position at which the proportional valve is adapted to couple a source of fluid under a first pressure to the hydraulic actuator, a second position at which the proportional valve is adapted to couple the hydraulic actuator to a reservoir of fluid under a second pressure, the second pressure being less than the first pressure, and a third position at which the proportional valve blocks fluid communication between the source of fluid under the first pressure and the hydraulic actuator, and also blocks fluid communication between the hydraulic actuator and the reservoir of fluid under the second pressure, the third position being between the first and second positions; electrically controlled valving hydraulically controlling the position of the valve member; an engine valve return operable to return the engine valve to a closed position; and, a controller coupled to the sens