Subcutaneous injection and withdrawal site

Details Subcutaneous injection and withdrawal site Subcutaneous injection and withdrawal site

1987-11-25

1989-04-04

Pellegrino, Stephen C.

Surgery

Miscellaneous

Devices placed entirely within body and means used therewith

604244, A61B 1900

Patent

active

048176370

ABSTRACT:
An implantable fluid transfer device or septum which includes a hollow spherical housing containing a chamber therein for receiving fluid. A needle infuses fluid into or withdraws fluid from the chamber. The housing has a surface that is capable of both omni-directional penetration by the needle and sealing itself when the needle is withdrawn from the housing. A spherical needle stop is provided with the housing to prevent the needle that accesses the chamber from one side of the housing from passing through the opposite side of the housing.

REFERENCES:
patent: 4217889 (1980-08-01), Radovan et al.
patent: 4643733 (1987-02-01), Becker
patent: 4651717 (1987-03-01), Jakubczak
patent: 4710174 (1987-12-01), Moden et al.

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