Low profile shunt system

Surgery – Devices transferring fluids from within one area of body to... – With flow control means

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Details

A61N 2700

Patent

active

044641680

ABSTRACT:
A shunt system for implantation in the body which can be used for transferring cerebrospinal fluid is disclosed. The shunt system comprises a body having an upper and lower surface and a distal and proximal end. The body includes a central cavity through the upper surface at a first and second port. A proximal fluid flow channel extends through the proximal end of the body and opens at a third port on the upper surface. A distal fluid flow channel extends through the distal end of the body and opens at a fourth port on the upper surface. A resilient dome comprised of a self-sealing material is attached to and extends over the upper surface of the body. A first portion of the resilient dome extends over the first and third ports on the upper surface defining a first chamber. The first portion of the resilient dome cooperates upon flexing with the third port to occlude the third port. A second portion of the resilient dome extends over the second and fourth ports on the upper surface defining a second chamber. The second portion of the resilient dome cooperates upon flexing with the fourth port to occlude the fourth port.

REFERENCES:
patent: 3111125 (1963-11-01), Schulte
patent: 3503402 (1970-03-01), Schulte
patent: 3566913 (1971-03-01), Parthe, Jr.
patent: 3595240 (1971-07-01), Mishler
patent: 3756243 (1973-09-01), Schulte
patent: 3768508 (1973-10-01), Schulte
patent: 3769982 (1973-11-01), Schulte
patent: 3827439 (1974-08-01), Schulte et al.
patent: 3901245 (1975-08-01), Spitz et al.
patent: 3991768 (1976-11-01), Portnoy
patent: 3999553 (1976-12-01), Spitz et al.

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