Implantable port septum

Details Implantable port septum Implantable port septum

1987-12-24

1989-05-30

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604175, 428217, A61M 500

Patent

active

048347205

ABSTRACT:
A septum is provided for use with implantable ports used for repeated drug delivery infusions. The septum allows for a substantially higher (more than twice) number of punctures prior to leakage and failure. This is achieved by the use of two different Shore A durometer hardnesses for different sections of the septum, one of harder material than used in prior art septums for the main body of the septum, and a section of much softer Shore A duromater hardness adjacent the inner surface of the septum for greater sealing facility when a needle is withdrawn. In addition, the greater hardness of the main body allows for greater stability of the needle when in place in the septum.

REFERENCES:
patent: 4567088 (1986-01-01), Skogaan et al.
patent: 4698061 (1987-10-01), Makaryk et al.
patent: 4710167 (1987-12-01), Lazorthes
Port-A-Cath.RTM. brochure, a product of Pharmacia Hospital Products, Pharmacia Inc., Piscataway, NJ 08854, (revised Jan. 1985).
Mediport.RTM. brochure, a product of Cormed.TM. Inc., 591 Mahar St., P.O. Box 470, Medina, N.Y. 14103.

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