Claims
- 1. A microkeratome blade, comprising:a flat lower surface; an upper surface that tapers toward the lower surface, the upper surface having a rounded portion; the rounded portion having a textured surface finish; and a blunt cutting edge comprising a substantially flat surface, wherein the blunt cutting edge is disposed between the lower surface and the rounded portion of the upper surface, the blunt cutting edge having a textured surface finish.
- 2. The microkeratome blade of claim 1 wherein the rounded portion has a radius of between about 0.025 millimeters and 0.200 millimeters.
- 3. The microkeratome blade of claim 1 wherein the blunt cutting edge has a height of between approximately 0.001 millimeters and 0.050 millimeters.
- 4. The microkeratome blade of claim 3 wherein the blunt cutting edge has a height of between approximately 0.005 millimeters and 0.025 millimeters.
- 5. The microkeratome blade of claim 1 wherein the blunt cutting edge is ground at an offset angle relative to the rounded portion at between approximately between 0 degrees and 60.
- 6. The microkeratome blade of claim 5 wherein the blunt cutting edge is ground at an offset angle relative to rounded portion of approximately between 0 degrees and 20 degrees.
Parent Case Info
This application is a continuation-in-part of U.S. patent application Ser. No. 10/114,808, filed Apr. 3, 2002, currently co-pending.
US Referenced Citations (21)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1 181 913 |
Feb 2002 |
EP |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10/114808 |
Apr 2002 |
US |
Child |
10/235328 |
|
US |