×

Laterally compressed septum assembly and implantable infusion port with laterally compressed septum

  • US 5,013,298 A
  • Filed: 02/13/1989
  • Issued: 05/07/1991
  • Est. Priority Date: 02/13/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. In an implantable infusion port for dispensing medication in the body of a patient including a housing having an access opening therein, a septum made of a substantially solid elastomeric material received in said access opening and cooperating with said housing for defining a substantially closed interior cavity, said septum having an outwardly lacing outer surface thereon and being penetrable by a hypodermic needle by inserting said needle through said outwardly facing surface, and catheter means communicating with said cavity for dispensing medication therefrom into the body of said patient, the improvement comprising said septum having an inwardly facing surface which faces substantially opposite from said outwardly facing surface, said infusion port further comprising first and second elastomeric layers secured in overlying relation on said outwardly facing surface and said inwardly facing surface, respectively, said first and second compression layers cooperating to compress said septum by between 1% and 30% in a direction which is substantially parallel to said outwardly and inwardly facing surfaces.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×