Implantable infusion device

Details Implantable infusion device Implantable infusion device

A - Human Necessities

61

M

A61M 39/02 (2006.01) A61M 39/06 (2006.01)

Patent

CA 2086484

ABSTRACT OF THE DISCLOSURE An infusion device which permits transcutaneous access to an implanted catheter for use in introducing an external filament such as a optical fiber, external catheter, guide wire or rigid needle. In accordance with this invention the device includes a valve assembly including a first valve element defining an aperture with a sealing member which is normally to engage and sea} against the aperture. The sealing element is made from a hard material such as a metal. Upon introduction of a rigid external introducer such as a needle, the needle directly contacts the sealing member plug unsealing it from the valve element aperture which then closes against the external element. The device enables repeated access using a sharp introduced element such as a needle without it contacting soft sealing elements which could be degraded by such repeated access.

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