Implantable hemodialysis access device
First Claim
1. A hemodialysis port comprising:
- a housing defining a plurality of interconnected chambers, each said chamber having a bottom portion and sidewall portions and integrated passageway providing interconnection of said chambers;
each said chamber further comprising a funnel portion tapering from said sidewall portions and said bottom portions a septum attached to said side wall portions of each said chamber enclosing said chamber; and
a spring mechanism disposed between said sidewalls and said septum and applying an inward force on said septum.
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Accused Products
Abstract
A hemodialysis port comprising a flexible housing member defining one or more ports. Each port has a selectively-permeable septum member disposed thereon to permit medical devices, for example, Huber needles, sheath and/or dilators to be inserted therein. At the interface between the housing and the septum, a spring member is provided to provide an axial force on the septum which seals the puncture created by the aforementioned medical devices. In one exemplary embodiment, the hemodialysis access port of the present invention is comprised of a plurality of ports designed for multiple hemodialysis treatments over the life of the port. In other exemplary embodiments, the bottom of each port may comprise a needle stop insert formed of, for example, metal, titanium, stainless steel or ceramic.
195 Citations
6 Claims
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1. A hemodialysis port comprising:
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a housing defining a plurality of interconnected chambers, each said chamber having a bottom portion and sidewall portions and integrated passageway providing interconnection of said chambers;
each said chamber further comprising a funnel portion tapering from said sidewall portions and said bottom portionsa septum attached to said side wall portions of each said chamber enclosing said chamber; and
a spring mechanism disposed between said sidewalls and said septum and applying an inward force on said septum. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification