Real-time variable loading device and system for a drive module of a rotational atherectomy device

By using a real-time variable loading system to perform torque testing and load loading on the drive module of the breast biopsy equipment, the problem of drive module failure during use was solved, and the reliability and stability of the equipment were improved.

CN115684929BActive Publication Date: 2026-05-01CHANGZHOU BAIKANGTE MEDICAL EQUIP CO LTD
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Patent Information

Application Number
CN202211532567.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-01
Publication Date
2026-05-01
Estimated Expiration
2042-12-01

AI Technical Summary

Technical Problem

The drive modules of existing breast biopsy equipment are prone to malfunctions such as motor shaft breakage, shutdown, and overheating during use, and the lack of effective load testing leads to poor reliability.

Method used

A real-time variable loading system is provided, including a dynamometer unit, a mounting bracket, a torque acquisition module, a main control module, and first and second drive devices. The system performs torque testing and load loading on the drive module through closed-loop control to simulate the actual working environment and detect performance indicators.

Benefits of technology

This improved the reliability of the drive module, reduced the failure rate, ensured accurate performance testing before shipment, and enhanced the reliability and stability of the equipment.

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Abstract

The present disclosure provides a real-time variable loading device and system for a rotary biopsy device driving module. A system for real-time variable loading of a rotary biopsy device driving module, comprising: a driving module and a real-time variable loading device; the real-time variable loading device comprises a dynamometer unit, a mounting frame and a base, and the dynamometer unit is fixedly installed on the base. A plurality of driving modules are arranged at different positions of the mounting frame and can be connected to the dynamometer unit through movement of the mounting frame. A torque acquisition module is connected to the dynamometer unit. A main control module is connected to the torque acquisition module. A first driving device has one end connected to the dynamometer unit and the other end connected to the main control module. A second driving device has one end connected to the driving module and the other end connected to the main control module. The present disclosure can perform closed-loop testing of variable loading of the driving module, simulate the actual working environment of the driving module, detect whether the performance indicators of the driving module are qualified, and effectively test the driving module.
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