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Title:
SURGICAL ARM SYSTEM WITH INTERNALLY DRIVEN GEAR ASSEMBLIES
Document Type and Number:
WIPO Patent Application WO/2020/258405
Kind Code:
A1
Abstract:
Example embodiments relate to robotic arm assemblies (230, 240). The robotic arm assembly (230, 240) may include upper arm segment (1140) and shoulder coupling joint assembly (1160). Upper arm segment (1140) includes a motor (1142, 1144, 1146, 1148). Shoulder coupling joint assembly (1160) connects upper arm segment (1140) to shoulder segment (231). Shoulder coupling joint assembly (1160) includes distal and proximal shoulder joint subassemblies. Distal shoulder joint subassembly is connected to the upper arm segment (1140). Distal shoulder joint subassembly includes gear train system having gear stages including first distal shoulder gear stage and second distal shoulder gear stage. First distal shoulder gear stage includes bevel gears. Second distal shoulder gear stage includes a planetary gear assembly. Proximal shoulder joint subassembly connects the shoulder segment (1160) to the distal shoulder joint subassembly.

Inventors:
YEUNG CHUNG KWONG (CN)
CHENG WAI LEUNG WILLIAM (CN)
Application Number:
PCT/CN2019/096204
Publication Date:
December 30, 2020
Filing Date:
July 16, 2019
Export Citation:
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Assignee:
BIO MEDICAL ENG HK LTD (CN)
International Classes:
A61B34/30
Foreign References:
US20190314100A12019-10-17
CN107440799A2017-12-08
CN105358072A2016-02-24
CN102274077A2011-12-14
US20160135898A12016-05-19
US20150051446A12015-02-19
Attorney, Agent or Firm:
BEIJING ARETE INTELLECTUAL PROPERTY AGENCY (CN)
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