主权项 |
1. A writing instrument comprising:
a bifurcated body extending along a central axis, the body having a distal writing tip fixedly connected to a first side of a tubular bifurcation and a proximal end fixedly connected to a second side of the bifurcation, distal from the distal writing tip, wherein the distal writing tip has a frustoconical end and a tubular portion extending proximally from the frustoconical end, the tubular portion having a circumferential ridge adjacent the frustoconical end; wherein the bifurcation has a diameter larger than the diameter of the tubular portion; and wherein the proximal end includes a plurality of fingers extending proximally from the bifurcation, each of the plurality of fingers being biased toward the central axis. |