US 12,213,752 B2
Robotic assisted system for ophthalmic surgery
Di Cui, Zhejiang (CN)
Assigned to HANGZHOU DESSIGHT BIOMEDICAL CO., LTD., Zhejiang (CN)
Filed by Hangzhou Dessight Biomedical Co.,LTD., Zhejiang (CN)
Filed on Feb. 24, 2022, as Appl. No. 17/679,665.
Claims priority of application No. 202210095903.7 (CN), filed on Jan. 26, 2022; application No. 202220236298.6 (CN), filed on Jan. 26, 2022; and application No. 202220260128.1 (CN), filed on Jan. 26, 2022.
Prior Publication US 2023/0233271 A1, Jul. 27, 2023
Int. Cl. A61B 34/30 (2016.01); A61B 34/00 (2016.01); A61B 90/00 (2016.01); A61B 90/25 (2016.01); A61F 9/00 (2006.01); A61F 9/007 (2006.01)
CPC A61B 34/30 (2016.02) [A61B 34/74 (2016.02); A61B 90/03 (2016.02); A61F 9/007 (2013.01); A61B 2090/061 (2016.02); A61B 90/25 (2016.02); A61F 9/0008 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A robotic assisted system for ophthalmic surgery, comprising a first driving unit, a second driving unit and a third driving unit, wherein the three driving units can respectively complete the movement in three dimensions, the first driving unit is connected with the second driving unit, the second driving unit is connected with the third driving unit, and an instrument assembly for performing ophthalmic surgery is arranged on the third driving unit;
wherein, the third driving unit can drive the instrument assembly to move, the second driving unit can drive the third driving unit and instruments thereon to move, and the first driving unit can drive the second driving unit, the third driving unit on the second driving unit and the instruments on the third driving unit to move;
the accurate control on the instruments can be completed by controlling the three different driving units,
wherein the first driving unit can provide rotation motion in one direction, and
wherein the first driving unit is provided with a first speed reducer in a matched mode, and the first speed reducer is mounted between the connecting piece and the first power element; the first speed reducer is a harmonic speed reducer; wherein the base is in a U shape, the two ends of the pedestal are connected to the U-shaped base through connecting pieces, the connecting position on one side is provided with power output of the first power element, and the connecting position on the other side is provided with a bearing; a balancing weight is mounted on the connecting piece close to one side of the bearing.