Constant force device of ultrasonic probe
A technology of constant force device and ultrasonic probe, applied in the field of ultrasonic inspection, can solve the problems of limited applicable environment and long length, and achieve the effects of wide application range, low cost and simple structure
Active Publication Date: 2021-03-16
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology
But the length of the constant force device of the existing ultrasonic probe is too long, and the applicable environment is limited
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[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implement...
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The invention provides a constant force device of an ultrasonic probe. The device comprises a driving assembly, a ball screw and a probe feedback assembly, wherein the driving assembly comprises a motor and a first belt wheel, the first belt wheel is driven by the motor to rotate synchronously with an output shaft of the motor, the ball screw comprises a screw body and a sliding table arranged onthe screw body in a sleeving mode, the input end of the screw body is sleeved with a second belt wheel, the second belt wheel and the first belt wheel are in linkage through a synchronous belt, the probe feedback assembly comprises a probe body, a sliding block and a force sensor, the probe body is connected with the sliding table through the sliding block, and the force sensor is arranged betweenthe probe body and the sliding block. According to the device, the synchronous belt is used for enabling a ball screw module part and a servo motor driving mechanism to be not located on the same straight line, an overall length of the device is reduced, and a structure is more compact, so that an overall size is small, the structure is simple, the cost is low, and an application range is wide; and in addition, the device can be switched to be used in a handheld mode or used in cooperation with a mechanical arm by mounting or dismounting a connecting flange.
Description
technical field [0001] The invention relates to the technical field of ultrasonic inspection, in particular to a constant force device for an ultrasonic probe. Background technique [0002] Ultrasound testing is a common medical imaging modality. However, sonographers mostly use ultrasound probes to detect patients with bare hands, and the image changes caused by the shaking of the sonographer's hand and the small movement of the patient's body have become an important obstacle to the development of standardized diagnostic applications. For this reason, people thought of designing a device for maintaining the constant force between the ultrasonic probe and the patient's part to be tested to avoid the change of the image. Ultrasonic testing of time. But the length of the constant force device of the existing ultrasonic probe is too long, and the applicable environment is limited. Contents of the invention [0003] Therefore, the purpose of the present disclosure is to pr...
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IPC IPC(8): A61B8/00
CPCA61B8/4218A61B8/4444
Inventor 徐振邦赛华阳周成波王晓明
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI