Biological drainage shunt
First Claim
Patent Images
1. A body fluid drainage apparatus such as an inner ear shunt, comprising:
- (a) an elongated tube composed of a material which will maintain its shape on being implanted and having two open ends;
(b) a flexible extension tube fixedly secured to and telescoping over one end of said elongated tube;
(c) a soft resilient closure means in the opposite end of said flexible tube and having at least one valve therein;
(d) an outer generally cylindrical housing fixedly secured to said elongated tube and having a cylindrical bore therein which generally encompasses a portion of said elongated tube and said extension tube;
(e) a pair of radially, oppositely extending arms fixedly secured to said elongated tube and said housing; and
(f) a pair of superposed, generally rectangular thin, flexible, resilient flaps fixedly secured to said housing and said arms encompassing said flexible extension tube and said closure to prevent tissue form impinging thereon.
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0 Petitions
Accused Products
Abstract
A body fluid drainage apparatus or shunt for implantation in the inner ear or elsewhere includes an essentially rigid elongated tube having one open end and a closed, flexible end with a valve, a generally rigid housing fixedly secured to and telescoping over the closed end of said elongated tube, a pair of angularly, oppositely extending arms fixedly secured to the assembly, and a pair of plastic films, with open sides, secured to the apparatus enclosing the valve. When the valve is a slit valve, it is sealed in a flexible tube sealed to and extending a short distance beyond the elongated tube.
135 Citations
11 Claims
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1. A body fluid drainage apparatus such as an inner ear shunt, comprising:
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(a) an elongated tube composed of a material which will maintain its shape on being implanted and having two open ends; (b) a flexible extension tube fixedly secured to and telescoping over one end of said elongated tube; (c) a soft resilient closure means in the opposite end of said flexible tube and having at least one valve therein; (d) an outer generally cylindrical housing fixedly secured to said elongated tube and having a cylindrical bore therein which generally encompasses a portion of said elongated tube and said extension tube; (e) a pair of radially, oppositely extending arms fixedly secured to said elongated tube and said housing; and (f) a pair of superposed, generally rectangular thin, flexible, resilient flaps fixedly secured to said housing and said arms encompassing said flexible extension tube and said closure to prevent tissue form impinging thereon. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification