Bio-adhesiveness drug release system

Bio-adhesiveness drug release system

  • CN 1,444,926 A
  • Filed: 07/29/2002
  • Published: 10/01/2003
  • Est. Priority Date: 03/20/2002
  • Status: Active Application
First Claim
Patent Images

1. a pH is neutral intravaginal drug delivery system substantially, wherein comprises:

  • PH is neutral Emulsion substantially, and it has and has biphase medicine ball;

    the internal water soluble phase, with the outside mutually insoluble or film of water;

    The water-soluble acidic buffer phase that contains one or more therapeutic activity medicine that comprises mutually in described inside, wherein acidic buffer comprise mutually independently or with bonded one or more the described therapeutic activity medicine of other buffer agent;

    Wherein acidic buffer Xiang Wei etc. oozes, height oozes or hypotonic.

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