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7621886 |
Implantable fluid management system for the removal of excess fluid
An implantable fluid management device, designed to drain excess fluid from a variety of locations in a living host into a second location within the host, such as the bladder of that host. The...
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7618542 |
Blood purifying device and method of operating the same
A blood purifying apparatus particularly suitable for continuous blood purification, and a method of controlling the same whereby the weight of body fluid removed from a patient and a feed weight...
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7618391 |
Waveform sensing and regulating fluid flow valve
Microfluidic shunt valves are disclosed having a deflectable element capable of being held in a closed position to occlude the passage of fluid between an inlet and outlet and, when not held in the...
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7588551 |
Hemodialysis access with on-off functionality
A treatment assembly is positioned along an AV-fistula and couples therapeutic energy to an adjacent area due to a material response to an applied energy field from a remotely located energy...
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7585280 |
System and method for measuring the pressure of a fluid system within a patient
A pressure sensing apparatus has a pressure sensor component that includes a pressure sensing port, a pressure sensor for sensing a pressure of a fluid in the pressure sensing port, and a digital...
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7582068 |
Occlusion resistant hydrocephalic shunt
An occlusion resistant medical shunt, particularly a hydrocephalic shunt, is provided for implantation into a mammal. The shunt has an elongate wall structure configured as a tube having a lumen...
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7566317 |
A-V dialysis graft
An improvement to an A-V dialysis graft construction that includes an elongated length of polymer tubing having an inlet end and an outlet end adapted to be attached to access needles. The...
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7563241 |
Implant and methods thereof for treatment of ocular disorders
Medical devices and methods for treating ocular disorders, such as glaucoma, are provided. One method involves inserting an implant on one side of an eye. The implant is advanced across the optic...
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7559912 |
High pressure range hydrocephalus valve system
A valve for use in a shunt system to drain fluid from one part of a patient's body to another is provided. In an exemplary embodiment, the valve is operable at a threshold pressure that is...
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7544300 |
Batch filtration system for preparation of sterile fluid for renal replacement therapy
A method and device for blood treatments that use fluids such as dialysate and replacement fluid for renal replacement therapy. In an embodiment, fluid is passed either by pump or passively by...
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7544176 |
Glaucoma implant having MEMS flow module with flexing diaphragm for pressure regulation
One embodiment of a MEMS flow module ( 34 ) includes a first plate ( 36 ) and a second plate ( 48 ) that are separated by a first link ( 62 ). A plurality of concentrically disposed, annular...
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7524298 |
Device and method for treating hydrocephalus
A shunt system for use in a human body that is formed from a length of tube that is configured as a pump. The length of tube may be configured as a hydroimpedance pomp, whose surfaces are pressed...
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7513883 |
Subarachnoid epidural shunt
Methods and devices are provided for shunting fluid to treat hydrocephalous, and in particular for treating normal pressure hydrocephalous, or Alzheimer's, Idiopathic Intracranial Hypertension...
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7510541 |
Closure cap for lachrymal canaliculus
A plug for the meatus of a lacrimal canaliculus, the plug including an elongate body ( 2, 12, 13 ) having a longitudinal axis ( 2 a ) and provided at one of its ends with a collar ( 1, 11 )...
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7494590 |
Method of controlling a dialysis apparatus
The present invention relates to a method of controlling a dialysis apparatus, which can be used, e.g., for hemodialysis, hemodiafiltration, or hemofiltration. Numerous alarms occur during...
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7485105 |
Transcutaneous telemetry of cerebrospinal fluid shunt programmable-valve pressure using near-infrared (NIR) light
An improvement for a programmable valve system of the type which is implanted in a medical patient and used to divert cerebrospinal fluid (CSF) from an intraventricular space of the patient to a...
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7485104 |
Systems and methods for controlling renovascular perfusion
Devices, systems and methods by which the real or apparent renovascular perfusion and intrarenal pressure may be selectively and controllably increased. By selectively and controllably increasing...
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7476211 |
System and method for physiological drainage
A device (A) can be used to create a new channel to conduct fluid from a fluid-conducting catheter to a blood vessel without contact between the device or the catheter and the blood flow in the...
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7458953 |
Ocular drainage device
An ocular fluid-draining device to remove fluid from the eye, for example, in a patient after glaucoma surgery. The device includes a shunt at least partially enclosed in a conduit, a portion of...
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7431710 |
Ocular implants with anchors and methods thereof
Intraocular stents and applicators are disclosed for treating glaucoma. The stents are configured to extend between the anterior chamber of the eye and Schlemm's canal for enhancing outflow of...
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7431709 |
Glaucoma implant device
A surgical implant device for treating glaucoma includes an elongate duct structure formed from a material comprising polyisobutylene and a glassy segment. The material of the elongate duct...
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7422566 |
Method of treating a patient with hydrocephalus and apparatus therefor
An adjustable hydrocephalus valve comprising a mechanical brake. The brake can be decoupled by pressing the valve housing percutaneously and allows in this state to adjust the opening...
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7390310 |
Shunt valve locking mechanism
A locking assembly is provided to simply and effectively prevent any unintentional adjustment of the adjustable valve mechanism in a fluid flow control device, without compromising the function of...
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7371223 |
Electroactive polymer actuated heart-lung bypass pumps
A pump apparatus, which comprises: (a) a tubular portion comprising an electroactive polymer actuator that expands and contracts an inner volume of the tubular portion based upon received control...
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7364564 |
Implant having MEMS flow module with movable, flow-controlling baffle
Various embodiments of MEMS flow modules that may be disposed in a flow path ( 296 ) of a shunt ( 290 ) are disclosed, where the shunt ( 290 ) may be used to control a flow out of an anterior...
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7357778 |
Aqueous drainage and flow regulating implant
For use in controlling the release of aqueous from anterior chamber of the eye, a surgically implantable flow regulating implant is provided which is assembled in parts from a molded elastomeric...
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7335179 |
Vesicular shunt for the drainage of excess fluid
A transvesicular drainage device, designed to drain excess fluid from a variety of locations in the human body into the bladder. The device may be used to treat ascites or any fluid collection...
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7334594 |
Apparatus and method for adjusting a locking mechanism of a shunt valve
A shunt valve assembly includes an electromechanical brake mechanism that locks a position of a pressure setting mechanism within a shunt valve assembly. The electromechanical brake can maintain...
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7318813 |
Self adjusting hydrocephalus valve
A self adjusting hydrocephalus valve that continuously drains cerebrospinal fluid at a rate which is proportional to the average pressure difference across the valve. The valve employs a...
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7311690 |
Implantable fluid management system for the removal of excess fluid
An implantable fluid management device, designed to drain excess fluid from a variety of locations in a living host into a second location within the host, such as the bladder of that host. The...
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7309330 |
Implantable cerebral spinal fluid drainage device and method of draining cerebral spinal fluid
The invention provides 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...
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7305267 |
Connector module having reduced insertion force
A medical device connector module includes a lead retention element extending through an opening in a sidewall of the connector module. The retention element includes a flow passage in fluid...
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7291125 |
Ocular pressure regulation
This invention comprises a flexible ocular device for implantation into the eye formed of a biocompatible elastomeric material, foldable to a diameter of 1.5 mm or less, comprising a fluid drainage...
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7282040 |
Gravitational pressure regulating mechanism
A gravitational pressure regulating mechanism for use with a valve is provided for control of pressure and diversion of bodily fluids. The mechanism includes a reservoir having first and second...
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7264606 |
Circulatory support system
A method for providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon includes...
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7235060 |
Hydrocephalus shunt system with endoscopic placement features
A shunt system for controlling the flow of fluid from one region of a patient to a different region of the patient's body. The shunt system includes endoscopic placement features so that the system...
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7223253 |
Blood aspiration system and methods of use
The present invention is directed to a blood aspiration system that is configured to enable various types of aspiration through a working lumen of a catheter. The blood aspiration system...
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7192413 |
Needle guard having inherent probe directing features
A needle or puncture guard that has inherent probe directing features for use in an in-line configured shunt valve is provided. The guard comprises a base member configured for mounting within the...
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7189221 |
Methods for the treatment of a normal pressure hydrocephalus
Normal pressure hydrocephalus is treated by removing cerebralspinal fluid (CSF) from a CSF space of a patient. In particular, CSF is drained while pressure within the CSF space remains within an...
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7186233 |
Dry eye treatment
A dry-eye treatment method includes collecting fluid from the inside of the eye and transporting the collected fluid into the eyelid fornix, where it accumulates. At each blink, accumulated fluid...
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7182865 |
Device for separating whole blood under gravitational force
Method for separating whole blood into a leukocyte-depleted erythrocyte concentrate and thrombocyte-containing plasma, in which method whole blood is separated in a first step into an erythrocyte...
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7172571 |
Apparatus and method for retrograde placement of sagittal sinus drainage catheter
A method of inserting a drainage catheter into a sagittal sinus having blood flow from an upstream to a downstream direction. A burr hole is created, if necessary, in the cranium of the patient...
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7156821 |
Shunt with enclosed pressure-relief valve
A shunt for relief of intra-ocular pressure includes a pressure-relief valve and a jacket enclosing the pressure relief valve. When implanted on the sclera of an eye, the jacket protects the valve...
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7135009 |
Glaucoma stent and methods thereof for glaucoma treatment
The invention relates generally to medical devices and methods for reducing the intraocular pressure in an animal eye and, more particularly, to stent type devices for permitting aqueous outflow...
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7118549 |
Shunt system including a flow control device for controlling the flow of cerebrospinal fluid out of a brain ventricle
An anti-siphon device limits the flow of a fluid from a first region of a patient's body to a second region. The device includes a housing having a spherical inner surface with a predetermined...
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7118548 |
Device for the treatment of hydrocephalus
A cerebrospinal fluid shunt system comprises a brain ventricular catheter for insertion into the brain ventricle so as to drain cerebrospinal fluid from the brain ventricle. The system also...
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7097690 |
Apparatus and method for removing gasses from a liquid
Medical devices for removing gasses, such as gas bubbles and/or dissolved gasses, from a liquid to be delivered to a patient, and methods of use and making of such devices. In at least some...
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7066901 |
MR-compatible fluid valve
An implantable fluid valve for the adjustable limitation of the fluid pressure in the brain of a patient, has all valve component parts composed of non-magnetic material, thereby making the valve...
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7025742 |
Internally powered CSF pump systems and methods
A method treats a patient for adult-onset dementia of the Alzheimer's type by removing a portion of the patient's cerebrospinal fluid, preferably (although not necessarily) by transporting the...
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7025741 |
Arteriovenous access valve system and process
An arteriovenous graft system is described. The arteriovenous graft system includes an arteriovenous graft that is well suited for use during hemodialysis. In order to minimize or prevent arterial...
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