Patent ID: 11918253
Assignee: SHANGHAI UNIVERSITY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An active variable stiffness clamping device for pelvic fracture reduction robot, comprising an affected side adjusting support module and a healthy side fixing module which are in fit with each other, wherein the affected side adjusting support module is provided with a pair of electric pin rod connector modules connected to the affected side adjusting support module; the healthy side fixing module comprises a healthy side bed clamp seat, the healthy side bed clamp seat is provided with a healthy side support rod, the healthy side support rod is provided with a healthy side spherical hinge base, and the healthy side spherical hinge base is provided with a pair of healthy side fixers which are in clearance fit with each other,
wherein the affected side adjusting support module comprises an affected side spherical hinge base; the affected side spherical hinge base is provided with an affected side cross rod and an affected side spherical hinge cross rod which are in clearance fit; the affected side cross rod is fixedly connected to the affected side spherical hinge base, and the affected side spherical hinge cross rod is connected to the affected side spherical hinge base by an affected side adjuster, and
wherein the affected side adjuster comprises an affected side spherical hinge hole arranged on the affected side spherical hinge base, the affected side spherical hinge hole is in fit with an affected side spherical hinge arranged at the end part of the affected side spherical hinge cross rod; the affected side spherical hinge base is provided with an affected side spherical hinge cover plate, and an affected side spherical hinge stopper in fit with the affected side spherical hinge cross rod is nested in the affected side spherical hinge cover plate; the affected side spherical hinge base is provided with an affected side spherical hinge stop pin, and the affected side spherical hinge stop pin is in fit with the affected side spherical hinge through an affected side limit hole which is formed in the affected side spherical hinge base to communicate with the affected side spherical hinge hole.