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Subarachnoid epidural shunt

A subarachnoid and epidural technique, applied in the field of shunting cerebrospinal fluid, can solve problems such as excessive drainage, infection, shunt blockage, etc.

Inactive Publication Date: 2007-01-17
CODMAN & SHURTLEFF INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Although shunts are a major medical breakthrough, there are still unresolved issues in the treatment of hydrocephalus, including shunt obstruction, infection, and overdrainage
The success rate of NPH being diverted is only about 50%

Method used

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  • Subarachnoid epidural shunt
  • Subarachnoid epidural shunt
  • Subarachnoid epidural shunt

Examples

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Embodiment Construction

[0039] Certain exemplary embodiments will now be described to provide an overall understanding of the principles and methods of the structure, function, manufacture and use of the devices disclosed herein. One or more examples of these embodiments are illustrated in the accompanying drawings. Those of ordinary skill in the art will appreciate that the devices and methods specifically described herein and illustrated in the accompanying drawings are non-limiting exemplary embodiments and that the scope of the present invention is defined only by the claims. Features shown or described in connection with one exemplary embodiment may be combined with features of other embodiments. Such modifications and changes are intended to be included within the scope of the present invention.

[0040] The present invention provides methods and devices for shunting fluid to treat hydrocephalus, especially NPH, or Alzheimer's disease, idiopathic intracranial hypertension (IIH), or any other c...

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Abstract

Devices are provided for shunting fluid to treat hydrocephalous, and in particular for treating normal pressure hydrocephalous, or Alzheimer's, Idiopathic Intracranial Hypertension (IIH), or any other condition in which it is necessary to drain and / or cleanse CSF. The devices utilize a shunt having an inlet port, and outlet port, and a flow control component for controlling fluid flow from the inlet port to the outlet port. The shunt can be implanted at a location along or within a patient's spinal column. In one exemplary embodiment, an inlet port of a shunt can be implanted within the subarachnoid space, and an outlet port of a shunt can be implanted at a drainage site. In certain exemplary embodiments, the cerebrospinal fluid is drained into the epidural space.

Description

[0001] Cross-references to related applications [0002] The present invention requires the U.S. provisional application No.60 / 668,111 filed on April 5, 2005, and the title of the invention is "subarachnoid-epidural shunt", and the application date is July 29, 2005, and the title of the invention is Priority to US Provisional Application No. 60 / 703,470 for "Subarachnoid-Epidural Shunts and Improved CSF Drainage Device and Method," the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to methods and devices for shunting cerebrospinal fluid. Background technique [0004] A number of conditions benefit from diversion, removal or purification of CSF, including hydrocephalus, cerebral pseudotumor (essential intracranial hypertension, IIH) and Alzheimer's disease. For example, hydrocephalus is a condition that afflicts patients who are unable to regulate the natural pathways of cerebrospinal fluid flow through th...

Claims

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Application Information

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IPC IPC(8): A61M39/00A61M25/00A61M1/00A61B17/00
Inventor B·J·格伦
Owner CODMAN & SHURTLEFF INC
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