Article for dispensing a medicinal ingredient and a method the manufacture thereof

• US 8,334,008 B1
• Filed: 06/05/2008
• Issued: 12/18/2012
• Est. Priority Date: 06/05/2007
• Status: Active Grant

• Current Assignee: Amad Tayebi
• Original Assignee: Amad Tayebi
• Inventors: Tayebi, Amad
• Primary Examiner(s): Figueroa, John J
• Application Number:
  US12/156,890
• Time in Patent Office: 1,657 Days
• Field of Search: 427/2.24
• US Class Current: 427/2.24
• CPC Class Codes: A61L 15/24 Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof A61L15/225 takes precedence
• CPC Class Codes: A61L 15/44 Medicaments
• CPC Class Codes: A61L 2400/04 Materials for stopping bleeding
• CPC Class Codes: A61L 33/06 Use of macromolecular materials grafting of a monomer onto the substrate A61L33/0088
• CPC Class Codes: C08L 31/04 Homopolymers or copolymers of vinyl acetate

Abstract

A method is provided for making punctal plugs by providing a fibrous strand and extrusion or dip coating the fibrous strand with a polymeric coating and cutting the coated fibrous strand to adequate length for insertion into a mammal body conduit, vessel, cavity, canal, artery, or vein.

Claims

1. A method of making punctal plugs for insertion into a mammal eye, throat or nose, said method comprising the steps of:

providing a multi-filament strand,

impregnating said multi-filament strand with an active pharmaceutical ingredient, extrusion coating the exterior surface of said strand with an impermeable polymeric material,

and

cutting the coated strand to desired length suitable for insertion into said mammal eye, throat or nose.

2. The method of making punctual plugs in accordance with claim 1, further comprising the step of sealing at least one end of cut length of said coated strand.

3. A punctal plug made in accordance with claim 1.