| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 604010000 | With antisiphon means | 8 |
| 20100056980 | A DRAINAGE SYSTEM FOR TREATING HYDROCEPHALUS - The present invention relates to a drainage device comprising:
| 03-04-2010 |
| 20100121250 | Dual Channel Shunt Device and Method for Ventriculo-Peritoneal Shunting of Bloody Cerebrospinal Fluid - A dual channel shunt device ( | 05-13-2010 |
| 20130023814 | METHOD OF USING A SYSTEM FOR DRAINING CEREBRAL SPINAL FLUID - A drainage system that includes a ventricular catheter, a drainage catheter, and a positive displacement pump that can function to actively drain CSF from the ventricles of the brain of a patient. The pump can include, for example, a diaphragm pump, a piston pump, a rotor pump, a peristaltic pump, or a screw pump. | 01-24-2013 |
| 20130218065 | SHUNT VALVE FOR CONTROLLING SIPHON EFFECT - An improved shunt valve for the control of hydrocephalus provides for physiological atmospherically-referenced siphon control that is not adversely affected by overlying tissue. The valve includes one or more porous outer anti-fouling membranes to protect the flow control membranes from external mechanical tissue pressure, while permitting free movement of the flow control moveable membranes and permitting positive inlet pressure to regulate flow through the improved fluid shunt valve of the invention. The porous membranes are configured to prevent tissue ingrowth into the membranes pores while allowing adequate fluid flow across so as not to inhibit movement of the movable membrane. | 08-22-2013 |
| 20140024995 | Device for Regulating Gravitational Pressure in a Shunt System - A gravitational pressure regulating valve to regulate fluid flow of a patient, including a fluid chamber having an inlet port to receive a bodily fluid and an outlet port to discharge the received bodily fluid, and an opposing force member in the fluid chamber to oppose a first force of the fluid flow at the inlet port with a second force that varies according to changes in gravitational alignment. | 01-23-2014 |
| 20140276348 | BI-PHASE FLUID SURGE SUPPRESSOR DEVICE - A siphon guard includes a housing having an inlet and an outlet. A primary flow path is disposed within the housing and is in fluid communication with the inlet and the outlet. A secondary flow path is disposed within the housing and is in fluid communication with the inlet and the outlet. The secondary flow path has a higher resistance to fluid flow than the primary path. A valve is disposed within the primary flow path. The valve has a valve seat and a first ball and a second ball. The first ball is movable by gravity between a valve closed position, where the first ball is in contact with the valve seat, and a valve open position, where the first ball is spaced from the valve seat. The first ball is disposed between the second ball and the valve seat. The second ball is movable by gravity between a valve closed position and a valve opened position. | 09-18-2014 |
| 20140276349 | ADJUSTABLE RESISTANCE, GRAVITATIONALLY ACTIVATED, ANTI-SYPHON VALVE - An anti-siphon drainage device having a housing forming an internal chamber, an inlet and outlet ports part of the internal chamber and fluidly connected by a primary flow path. A valve seat is associated with the primary flow path, a sloped section extends from the valve seat, and a valve element disposed in the sloped section and can seat in the valve seat to restrict a fluid flow into the primary flow path from the inlet port. A secondary flow path can have an opening near the inlet port and an orifice near the outlet port. A regulator has an aperture to selectively open and close the opening of the secondary flow path. When the valve element is seated in the valve seat and restricting the fluid flow into the primary flow path, the fluid flows into the secondary flow path. | 09-18-2014 |
| 20160082232 | PRESSURE REGULATING BUOYANT VALVE FOR A SHUNT SYSTEM - A gravitational pressure regulating valve to regulate fluid flow of a patient, including a fluid chamber having an inlet port to receive a bodily fluid and an outlet port to discharge received bodily fluid, the fluid chamber including a first chamber configured to capture a non-buoyant member therein and to guide the non-buoyant member along a longitudinal axis of the first chamber to facilitate bi-directional reciprocating movement of the non-buoyant member to and from the inlet port, and a second chamber configured to capture one or more buoyant members therein such that when the second chamber is filled with bodily fluid, at least one of the buoyant members applies a resolved buoyant pressure from a buoyant force of the one or more buoyant members in opposition to an inlet pressure of fluid at the inlet port. | 03-24-2016 |
