IP Library Granted Patent US 9,149,361
Granted Patent B2
US 9,149,361 · App. 13/648,632 · Granted Oct 6, 2015

Non-resorbable plugs

Inventor: Austin Gray (Fort Worth, TX)
Assignee: PRESIDIUM BIOMEDICAL LLC
A61F2/2803A61F2002/2839
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Quick Facts
Patent No.
US 9,149,361
App. No.
13/648,632
Granted
Oct 6, 2015
Kind
B2
Abstract

A non-resorbable wound dressing can include a plug made from polytetrafluoroethylene (PTFE). The plug can have a three-dimensional shape. The plug can be substantially cylindrical. The PTFE can have a high density and be expanded. The PTFE can be non-porous or have a porosity of less than about 0.4 microns. The PTFE can also be unsintered and unexpanded. A method of regenerating alveolar bone includes placing a PTFE plug in a cavity formed in an alveolar bone. Placing the plug in the cavity can include contacting at least a portion of a peripheral surface of the plug with the gingival tissue surrounding the cavity. The method can also include inserting a bone graft material in the cavity before placing the plug in the cavity.

Claims (21)

1. A non-resorbable wound dressing, comprising:

a plug comprising a fluoropolymer,

wherein the plug has a three-dimensional shape configured to fit within a cavity of an alveolar bone such that the plug contacts the alveolar bone or surrounding gingival tissue, and wherein the plug has a porosity less than about 0.4 microns or is non-porous.

2. The non-resorbable wound dressing of claim 1 , wherein the three-dimensional shape is a substantially cylindrical shape having a coronal surface, an apical surface, and a peripheral surface extending between the coronal surface and the apical surface.

3. The non-resorbable wound dressing of claim 2 , wherein the plug has a height ranging from about 0.5 mm to about 4 mm.

4. The non-resorbable wound dressing of claim 2 , wherein the coronal surface and the apical surface are substantially circular.

5. The non-resorbable wound dressing of claim 4 , wherein the coronal surface and the apical surface each have a diameter ranging from about 4 mm to about 14 mm.

6. The non-resorbable wound dressing of claim 1 , wherein the fluoropolymer is polytetrafluoroethylene (PTFE).

7. The non-resorbable wound dressing of claim 6 , wherein the PTFE has a high density.

8. The non-resorbable wound dressing of claim 7 , wherein the high density is in a range from about 1.0 gm/cc to about 2.5 gm/cc.

9. The non-resorbable wound dressing of claim 7 , wherein the PTFE is expanded.

10. The non-resorbable wound dressing of claim 7 , wherein the PTFE is unsintered and unexpanded.

11. The non-resorbable wound dressing of claim 1 , wherein the plug has a rigidity such that the plug firmly presses against the alveolar bone or surrounding gingival tissue when place within the cavity.

12. The non-resorbable wound dressing of claim 11 , wherein pressure between the plug and the alveolar bone or surrounding gingival seals the cavity of the alveolar bone.

13. The non-resorbable wound dressing of claim 1 , wherein the plug is configured to be removed from the cavity of the alveolar bone between 3 to 6 weeks after placement.

14. A non-resorbable wound dressing, comprising:

a plug comprising a fluoropolymer,

wherein the plug has a three-dimensional shape configured to fit within a cavity of an alveolar bone,

wherein the plug the plug has a porosity less than about 0.4 microns or is non-porous, and

wherein the plug is configured to be removed from the cavity of the alveolar bone between 3 to 6 weeks after placement.

15. The non-resorbable wound dressing of claim 14 , wherein the plug is configured to press against the alveolar bone or surrounding gingival tissue when placed within the cavity such that the cavity of the alveolar bone is sealed.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 9, 2013
From: GRAY, AUSTIN
To: PRESIDIUM BIOMEDICAL LLC
Reel/Frame 031393/0872 →
Continuity (1)
Related Publication 20140100665A1 · Apr 10, 2014