Gastrostomy feeding ports with positively sealing entrance valve

Details Gastrostomy feeding ports with positively sealing entrance valve Gastrostomy feeding ports with positively sealing entrance valve

1995-05-15

1998-02-10

Buiz, Michael Powell

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 27, 604 48, 604256, A61M 500

Patent

active

057163472

ABSTRACT:
Gastrostomy feeding ports are disclosed which remain positively sealed after repeated and extensive use. In one embodiment, a valve housing defines an inner passageway to provide fluid communication into a long term indwelling catheter and includes a rigid compression collar portion which defines a valve member receiving cavity within the inner passageway. The resilient valve member has an outer peripheral edge which generally conforms in shape to the valve member receiving cavity but is larger in dimension than the cavity when uncompressed. The resilient valve member also includes an outer wall portion which extends away from the outer peripheral edge of the diaphragm portion and which generally conforms in shape to the cavity. The resilient valve member is compressively fitted within the receiving cavity by the advancing of the outer wall portion into said cavity to thereby cause the outer peripheral edge to be compressed in dimension to fit within the cavity, with the compression collar pressing inwardly against the outer peripheral edge of the diaphragm portion to apply laterally compressive forces which bias the slit toward a normally closed position. Additional embodiments are disclosed which provide for the direct conversion of an implanted PEG tube into a low profile feeding port, and which further provide for the direct secure connection to an enteral feeding tube adapter.

REFERENCES:
patent: 5336203 (1994-08-01), Goldhardt et al.
patent: 5411491 (1995-05-01), Goldhardt et al.
patent: 5413565 (1995-05-01), Michels et al.
patent: 5501426 (1996-03-01), Atkinson et al.

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