Six-degree-of-freedom series- reduction robot for fracture of pelvis

A pelvic fracture and robot technology, applied in medical science, surgery, etc., can solve problems such as poor operability, inability to actively complete pelvic reset, and poor pertinence, so as to reduce labor intensity, compact structure, and reduce exposure to radiation. Dangerous Effects of Radiation

Active Publication Date: 2015-07-08
苏州铸正机器人有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

However, most institutions can only perform pelvic repositioning by doctors with hand-held assistance, and cannot complete pelvic repositioning

Method used

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  • Six-degree-of-freedom series- reduction robot for fracture of pelvis
  • Six-degree-of-freedom series- reduction robot for fracture of pelvis
  • Six-degree-of-freedom series- reduction robot for fracture of pelvis

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Embodiment Construction

[0032] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0033] The overall structure of the present invention is as Figure 1 to Figure 10 shown.

[0034] A six-degree-of-freedom series-parallel pelvic fracture reduction robot consists of a chassis assembly, a series platform assembly, a series-parallel connection assembly, a parallel platform assembly, and an external fixator assembly. The universal wheel 2 in the base plate assembly can walk straight or turn.

[0035] The slider 14 in the linear motion unit assembly can move linearly along the guide rail 10, and the motor 7 can drive the screw rod 11 to rotate through the coupling 8. Since the screw drive nut 15 and the screw rod 11 are threaded, the screw drive nut 15 can convert the rotary motion of the screw rod 11 into the linear movement of the screw drive nut 15 and the slider mounting plate 13 and the slider 14 fixedly connected thereto ...

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Abstract

The invention provides a six-degree-of-freedom series- reduction robot for fracture of pelvis. The six-degree-of-freedom series- reduction robot comprises a chassis assembly, a serial-connection platform assembly, a series- connection assembly, a parallel-connection platform assembly and an outer fixing frame assembly, wherein the chassis assembly is arranged at the bottom end of the robot and in contact with the ground through four universal wheels; the serial-connection platform assembly is positioned above the chassis assembly and fixedly connected with the chassis assembly; the outer fixing frame assembly is connected with the parallel-connection platform assembly and integrally connected with the series-connection platform assembly through the series-parallel connection assembly. The robot can replace a doctor to perform the reduction of fracture of pelvis, so that the labor intensity of the doctors can be reduced; the series-parallel platform assembly is a three-degree-of-freedom linear moving mechanism and the parallel-connection platform assembly is a three-degree-of-freedom rotary moving mechanism, and the series-parallel connection mechanism formed by combining the two mechanisms can perform six-degree-of-freedom movement; the robot has the advantages of being high in precision, high in loading capacity and rigidity, reasonable in working space, and compact in structure.

Description

technical field [0001] The invention relates to a six-degree-of-freedom series-parallel pelvic fracture reduction robot, which belongs to the field of surgical medical instruments. Background technique [0002] Pelvic fracture is a serious trauma with a high fatality rate, and it is more common in disasters such as earthquakes and car accidents. In the traditional pelvic reset method, multiple X-rays are taken during the operation to determine the reset path. The doctor and the patient receive a large amount of radiation, and the doctor cannot grasp the accurate fracture status information through the two-dimensional image, which brings difficulties to the path planning; When an unstable fracture occurs, an open reduction operation is required, which causes great trauma to the patient, and the doctor's operation is intensive, which can easily cause poor reduction. In the current research, there are many research results on the pelvic fracture reduction mechanism at home and...

Claims

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Application Information

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IPC IPC(8): A61B17/56
CPCA61B17/56A61B2017/564
Inventor 赵璐徐颖胡磊李长胜王利峰李阳
Owner 苏州铸正机器人有限公司
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