Implantable injection chamber device

Details Implantable injection chamber device Implantable injection chamber device

1989-12-19

1991-06-25

Cannon, Alan

Surgery

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

Treating material introduced into or removed from body...

6048911, 604 48, A61M 1100, A61K 922

Patent

active

050263447

ABSTRACT:
An implantable injection chamber device comprising a housing which encloses an injection chamber and has at least one wall that can be pierced with a hollow needle, and a bore provided in a wall of the chamber, there being further provided connecting means for connecting a catheter to the bore, and in which the connecting means comprise a tube of pliable material which is connected to the bore and in operation extends through a bore in a first member of the connecting means, at least a part of said first member surrounding the tube relatively tightly and said part being provided with a plurality of radially disposed longitudinal grooves; and a second member of the connecting means is provided, which in operation surrounds the part of the first member that is provided with longitudinal grooves and is capable of pressing inwardly the parts of the first member between the longitudinal grooves.

REFERENCES:
patent: 4398910 (1983-08-01), Blake et al.
patent: 4652255 (1987-03-01), Martinez
patent: 4781680 (1988-11-01), Redmond et al.
patent: 4955861 (1990-09-01), Enegren et al.

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