Positioning marker ball and method for making the same and positioning device having the same
AssigneeTaiwan Main Orthopaedic Biotechnology Co., Ltd.
InventorMin-Liang Wang
Life of this patent
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Abstract
A positioning marker ball is adapted for an optical positioning system and includes a main body unit, and an optical unit. The main body unit includes a ball body, and a rod portion that extends outwardly from the ball body, and that has a connecting end section disposed opposite the ball body and is adapted to connect a mount. The ball body is molded integrally with the rod portion. The optical unit is disposed on the ball body, and includes a reflective layer that is disposed on the ball body to reflect light. A positioning device adapted for an optical positioning system includes the positioning marker ball described above. A method for making the positioning marker ball is also included.
Claims11
A positioning marker ball adapted for an optical positioning system comprising:
- a main body unit including
- a ball body, and
- a rod portion that extends outwardly from said ball body, and that has a connecting end section disposed opposite said ball body and adapted to connect a mount, said ball body being molded integrally with said rod portion, and an optical unit disposed on said ball body, and including
- a reflective layer that is disposed on the ball body, and that reflects light;
- wherein said optical unit further includes an optical layer that is disposed on an outer surface of said ball body, and that has a plurality of optical elements that allow passage of light therethrough;
- and
- wherein said optical unit further includes a shape setting layer that is made of thermoplastic, and that is formed between said optical layer and said ball body.
Dependencies are inferred from the claim text.