Abstract: A medical device for placing an embolic device at a predetermined site within a vessel of the body including a delivery catheter and a flexible pusher member slidably disposed within the lumen of the catheter. An embolic device is retained within the delivery catheter by a mechanical interlocking mechanism which includes an engagement member attached to the distal end of the pusher member and extends through a retaining ring at the proximal end of the embolic device. A detachment member extends through an aperture at the distal end of the engagement member thereby locking the embolic device onto the pusher member. A kicker member, which takes the form of a helical spring, extends from the distal end of the pusher member and is biased so as to lift the retaining ring off of the engagement member to ensure the release of the embolic device when the detachment member is withdrawn from the aperture of the engagement member.

Abstract: A two-part tool for reading and adjusting an implantable valve, and methods of use. The tool includes a locator-indicator component that, when placed matingly on the patient's skin over the valve, provides magnetic reading of the valve setting. The tool also includes an adjustor component that couples to the locator-indicator component and is rotatable to change a valve setting.

Abstract: A medical device for placing an embolic device at a predetermined site within a vessel of the body including a delivery catheter and a flexible pusher member slidably disposed within the lumen of the catheter. An embolic device is retained within the delivery catheter by a mechanical interlocking mechanism which includes an engagement member attached to the distal end of the pusher member and extends through a retaining ring at the proximal end of the embolic device. A detachment member extends through an aperture at the distal end of the engagement member thereby locking the embolic device onto the pusher member. A kicker tongue which is formed as an extension of a portion of the wall of the pusher member extends distally from the distal end of the pusher member and is biased so as to lift the retaining ring off of the engagement member to ensure the release of the embolic device when the detachment member is withdrawn from the aperture of the engagement member.

Abstract: Methods and compositions are provided for suppressing appetite by surgically implanting a drug infusion pump into a site in a subject, and delivering a stable suspension of an appetite suppressing agent a region in a central nervous system of the subject. The appetite suppressing agent binds to a target receptor on a neural cell in the central nervous system and modifies the receptor function to suppress appetite.

Abstract: A generally hollow article for use as or incorporation within a medical instrument navigable through body vessels of a human subject is provided. The article is defined by two metal pieces, such as nitinol and stainless steel, having different performance characteristics. At least a portion of the two pieces are arranged into an alternating pattern and joined together to define a joint or junction. The two pieces may each be provided as a tube having a spiral-cut section that is configured to be intermeshed with the spiral-cut section of the other metal. The article may also include a radiopaque material for improved placement within the body, which material may also be provided as a tube with a spiral-cut section to be intermeshed and joined with the first and second pieces.

Abstract: A vascular occlusion device deployment system for placing an occlusion device at a preselected site within the vasculature of a patient. The deployment system employing a pusher having a lumen with an opening at the distal end of the pusher. A vascular occlusion device is connected to the distal end of the pusher by a portion that is removeably disposed within the opening. The portion of the occlusion device is forced out of the opening by an expandable reaction chamber, thereby deploying the occlusion device.

Abstract: A method of delivering embolic particles to an aneurysm includes inserting a delivery catheter into the vasculature of a patient and directing the distal end of the delivery catheter to a pre-selected deployment site. Embolic particles are loaded into the delivery catheter, and hydraulic pressure is applied to move the embolic particles through the delivery catheter. The hydraulic pressure is adjusted to control the velocity of the embolic particles and to reduce jetting.

Abstract: A disposable cover for a retractor of a self-retaining retractor system has an elastic sheath that can be easily placed and removed by elastically engaging the blade and a disposable pad attached on the elastic sheath. The elastic sheath can be an open cylinder (band shaped) or closed at one end (sock shaped) and is sized to cover a majority of the different size and shaped retractor blades. The elastic sheath retains the disposable pad on the blade by elastic compressive force. A single elastic sheath must be elastic enough to accommodate multiple sized blades and retain them in a fixed position while the blade is approximately vertically disposed within patient. The elastic sheath can be made from latex, nylon or any other surgical grade elastic or elastic type product.

Abstract: A shunt system includes a first catheter and a second catheter, each having a proximal end and a distal end, and at least one opening adjacent to its distal end. A proximal end of a drainage catheter is in fluid communication with the proximal end of the first catheter and the proximal end of the second catheter. A first one-way valve is disposed in fluid communication with the first catheter between its proximal end and its at least one opening. The first one-way valve effectively blocks fluid flow from the proximal end to the at least one opening. A second one-way valve is disposed in fluid communication with the second catheter between its proximal end and its at least one opening. The second one-way valve effectively blocks fluid flow from the proximal end to the at least one opening.

Abstract: 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 the device. The locking assembly generally includes at least one gripping arm for frictionally engaging at least a portion of the adjustable valve mechanism, and an actuating mechanism for controlling the deployment and release of the gripping arm. The locking assembly prevents unintentional adjustments that can adversely affect the pressure settings of the fluid flow control device. In particular, the locking assembly prevents unintentional adjustment, such as may be caused by the presence of a strong external magnetic field. The locking assembly can be easily disengaged, such as through the application or removal of an external mechanical force, to allow a clinician to adjust the pressure settings of the fluid flow control device as necessary.

Abstract: A catheter for delivery of a therapeutic agent directly into a targeted tissue that reduces or substantially prevents reflux and back flow by providing rigidity and strength via a stylet thereby eliminating the need for a guide or delivery sheath during positioning. The catheter has a flexible proximal section and a substantially rigid distal section formed from a plurality of distal subsections. The proximal and distal sections having decreasing outer diameters starting from the proximal end and advancing towards the distal end. The distal subsection closest to the distal end providing an adjustable flow rate via multiple output ports defined radially therein while the distal end itself is closed off.

Abstract: A vascular occlusion device for use with a hydraulic deployment catheter is provided. The vascular occlusion device includes a headpiece that has a deformable interference element which changes from an initial configuration to a deformed configuration upon an increase of hydraulic pressure within the deployment catheter. When the interference element is in the initial configuration, the headpiece is secured to the deployment catheter, and when the interference element is in the deformed configuration, the headpiece can be removed from the deployment catheter for deployment of the occlusion device.

Abstract: A vasoocclusive embolic delivery system for use in placement of an embolic coil at a treatment site within a vessel. The embolic coil includes an elongated stretch resistant fiber having its distal end bonded to the distal end of the embolic coil. The stretch resistant fiber extends through a central lumen of the coil and extends beyond the proximal end of the coil. Also included is a generally cylindrical stabilization bead, having a diameter slightly smaller than the diameter of the central lumen of the coil, mounted on the stretch resistant fiber within the lumen of the embolic coil. The stabilization bead serves to keep the stretch resistant fiber centered within the lumen of the embolic coil. Additionally, a headpiece is mounted on the proximal end of the stretch resistant fiber and serves to couple the embolic coil to the delivery system.

Abstract: Methods and compositions are provided for suppressing appetite by surgically implanting a drug infusion pump into a site in a subject, and delivering a stable suspension of an appetite suppressing agent a region in a central nervous system of the subject. The appetite suppressing agent binds to a target receptor on a neural cell in the central nervous system and modifies the receptor function to suppress appetite.

Abstract: A medical device for placing an embolic coil at a preselected location within a vessel comprising a positioning catheter having a distal tip for retaining the embolic coil which when pressurized with a fluid expands outwardly to release the coil at the preselected position.

Abstract: An apparatus and method for introducing a medical device deployment system into the vasculature of a human body and then using the deployment system for placing a medical device at a preselected position within a vessel, and an apparatus and method for introducing a medical device deployment system into the vasculature of a human body and then subsequently retrieving the deployment system, where the apparatus and method include an introducer having a detachable and reattachable sheath disposed about a deployment catheter.

Abstract: Novel molecules based upon hybridization of curcumin and hydroxystilbenes, such as resveratrol. It is believed that these novel molecules will have special application in treating Alzheimer's Disease.

Abstract: An acoustic monitoring system that is able to verify the success or failure of the positional adjustment of a valve without the need for additional energy during non-invasive reprogramming is provided. The acoustic monitoring system includes a programmer for generating a sequence of commands to adjust the valve mechanism, and for receiving acoustic signals for analysis, a transmitter to implement the command and adjust the valve, and a sensor for detecting an acoustic signal generated from the valve during execution of the commands. A method for using the acoustic monitoring system is also provided.

Abstract: A leveling device for determining the zero pressure point of an external draining system with respect to a patient is provided. The leveling device generally includes a body having a viewing element defining a field of vision, and a reference point indicator spaced apart from the viewing element and disposed within the line of vision. The viewing element and the reference point indicator define a line of sight. The device further includes a horizontal level indicator mated to the body and oriented parallel to the line of sight established by the viewing element and the reference point indicator. The horizontal level indicator is effective to indicate the horizontal alignment of the body with respect to a particular reference point viewed through the viewing element and indicated by the reference point indicator.

Abstract: An expandable stent and delivery system is provided for treating body vessel defects, such as partially occluded blood vessels and aneurysms. The delivery system includes a core member having a non-cylindrical retraction member with extending portions configured to extend between struts of the stent. The stent includes enlarged anchor members that cooperate with the retraction member to secure the stent to the core member for movement within a delivery catheter and deployment to a body vessel defect. The extending portions provide a greater contact area than would be possible with a cylindrical retraction member, which is especially beneficial when retracting a partially deployed stent into the catheter.