×

SOLID STATE OPHTHALMIC MEDICATION DELIVERY METHOD

  • US 3,845,201 A
  • Filed: 04/24/1972
  • Issued: 10/29/1974
  • Est. Priority Date: 04/24/1972
  • Status: Expired due to Term
First Claim
Patent Images

1. IN THE METHOD OF OBTAINING THE OPHTHALMIC PHARMACOLOGICAL EFFECT OF A MEDICAMENT COMPRISING INSERTING A COMPLETE OPHTHALMIC DISAGE OF MEDICAMENT IN SOLID FORM INTO THE CUL-DE-SAC OF THE EYE BETWEEN THE EYEBALL AND THE LID TO DISPENSE THE MEDICAMENT TO THE EYE OVER A PROLONGED PERIOD OF TIME, THE IMPROVEMENT BY MEANS OF WHICH THE CUL-DE-SAC IS LEFT FREE OF TEAR INSOLUBLE RESIDUE AFTER SAID MEDICAMENT IS DISPENSED, WHICH COMPRISES EMPLOYING A SOLID MATRIX OF A NON-IRRITATING PHARMACOLOGICALLY ACCEPTABLE POLYURONIC ACID OR CARBOXYMETHYLCELLULOSE SALT OF SAID MEDICAMENT, FREE FROM TEAR INSOLUBLE CARRIERS, SAID MATRIX ADAPTED TO FORM A GEL-MATRIX AFTER INSERTION INTO THE CULDE-SAC AND TO DISSOLVE COMPLETELY FOR SLOW RELEASE OF SAID DOSAGE.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×