Sterile improved bandage containing a medicament

Patent 4307717 Issued on December 29, 1981. Estimated Expiration Date:

July 28, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3249109

3475363

3612053

3640741

Biomedical electrode assembly
Patent #: 3946730
Issued on: 03/30/1976
Inventor: Monter

Dosage form
Patent #: 3972995
Issued on: 08/03/1976
Inventor: Tsuk , et al.

Ostomy adhesive Patent #: 4253460
Issued on: 03/03/1981
Inventor: Chen , et al.

Inventors

Assignee

LecTec Corporation

Application

No. 06/173001 filed on 07/28/1980

US Classes:

604/304, Bandage, pad, or shield placed on body for sustained treatment thereof106/139.2, With nonproteinaceous organic compound containing sulfur or nitrogen106/144.6, With nonproteinaceous organic compound containing sulfur or nitrogen106/205.6, With organic compound containing sulfur or nitrogen106/205.7, With organic compound containing oxygen except wax424/448, Pressure sensitive adhesive means424/485, Natural gums, resin or latex424/487, Acrylic acid and derivatives428/343, Adhesive outermost layer602/49, Polysaccharide602/50, Amino acid, polypeptide, or protein604/307Adhesively attachable to body

Examiners

Primary: Rosenbaum, C. Fred

Attorney, Agent or Firm

Williamson, Bains, Moore & Hansen

International Classes

A61B 5/0408 (20060101)
A61L 15/58 (20060101)
A61L 15/16 (20060101)
A61N 1/04 (20060101)

Abstract

A flexible, liquid absorbent, adhesive bandage includes a backing element and a substrate attached to the backing element. The substrate comprises a homogeneous, hydrophilic, stable matrix including a solid phase formed of a synthetic polymer, a long chain polysaccharide, or a combination thereof. The liquid phase of the matrix consists of a hydric alcohol, carbohydrates and/or proteins in an aqueous solution, and/or water or a combination thereof. The matrix contains a medicament therein for release to the affected areas.