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US 12,239,495 B2Granted
Surgical skin marker
AssigneeDaVinci Plastic Surgery, PC
InventorsKatherine Lynn-Long Lijoi, Steven Davison
Life of this patent
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Abstract
The invention encompasses a sterile skin marker whose felt ink reservoir can be advanced by twisting the end of the marker revealing additional felt tip. The dried portion of the previously used felt tip can be cut off to reveal a fresh, ink saturated felt tip.
Claims8
A method of pre-operative surgical planning of a subject comprising:
- removing a reusable, surgical felt tip marker from a sterile packaging,
- uncapping the marker,
- advancing the felt ink reservoir,
- using the skin marker to draw on a subject's skin to outline a surgical plan,
- when the marker no longer produces ink, twisting the advancing rotary on the marker's end opposite the ink tip, advancing the felt ink reservoir about ½ cm so that approximately 1 cm of felt ink reservoir are exposed past the skin marker's outer casing, cutting the end of the felt ink reservoir off leaving about ½ cm of ink-saturated felt ink reservoir exposed, to continue to utilized the skin marker for general surgical planning, and repeating as needed,
- wherein the reusable, surgical felt tip marker comprises:
- (i) an external portion comprising:
- (a) an outer casing;
- (b) a felt ink reservoir comprising one or more indicator notches;
- and
- (c) an advancing rotary;
- and
- (ii) an internal portion comprising:
- (a) an internal screw;
- (b) an advancement track;
- and
- (c) a felt ink reservoir advancing base.
14 more elements
Dependencies are inferred from the claim text.