Patent ID: 11944456
Assignee: KYOCERA CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A ceramic guide to be fixed to a living body, comprising:
a columnar ceramic body provided with an insertion hole through which a long insert can be inserted from a first end to a second end of the columnar ceramic body,
the columnar ceramic body comprising:
a first portion comprising the first end;
a second portion comprising the second end and having a smaller diameter than a diameter of the first portion; and
a third portion disposed between the first portion and the second portion, wherein the first end comprises a concave surface that is curved or inclined toward a second portion side from an outer edge of the first portion toward the insertion hole;

wherein the concave surface is connected to the insertion hole and is spaced from the third portion in a cross-sectional view perpendicular to a central axis of the insertion hole.