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A compression and follower device for medical ultrasonic scanning with self-adaptive pressure regulation capability

A follower device and self-adaptive technology, which is applied in the field of medical ultrasound scanning, can solve problems such as danger, patient skin tissue damage, and lengthy scanning process, and achieve the effect of ensuring safety and comfort, and stabilizing the imaging effect of ultrasound probes

Active Publication Date: 2020-04-28
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing robot-assisted ultrasonic scanning equipment that has been developed adopts mechanical scanning, which overcomes the shortcomings of manual scanning, such as fatigue, hand shaking, and unstable pressure, which affect the quality of ultrasonic imaging. However, the ultrasonic probe is usually fixed in a simple way. Rigid fixation mainly has the following problems: 1. During the mechanical scanning process, the patient’s skin tissue damage or even danger may be caused due to unreceived feedback or feedback delay; 2. Because of the complexity of the patient’s body (back curve) shape), the lack of timely adjustment of the probe may not be able to obtain a better scanning image; 3. The scanning process is lengthy due to the repeated adjustment of the probe position during the scanning process

Method used

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  • A compression and follower device for medical ultrasonic scanning with self-adaptive pressure regulation capability
  • A compression and follower device for medical ultrasonic scanning with self-adaptive pressure regulation capability
  • A compression and follower device for medical ultrasonic scanning with self-adaptive pressure regulation capability

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] The entire ultrasonic scanning compression and follower device is fixed on the end of the ultrasonic medical robot arm through three equidistant annular installation holes on the top cover 3 of the telescopic tube box, and is used for wide-area scanning and imaging of the spine of the human back.

[0054] The hospital selects a suitable probe fixing block 16 according to the straight probe or curved surface probe used, and places the probe 17 on the probe base 15, with the rear side close to the curved surface of the probe base. The probe is wrapped with waterproof tape to eliminate fit gaps and improve grip. Then align the probe fixing block 16 with the through hole of the probe base 15, and insert the hand-screw bolts to fix it. Note that the notches at the ends of the through holes on both sides of the probe base 15 can be inserted into the nuts. It is not necessary to completely unscrew the bolts when disassembling the probe. , you can loosen it with a handle attach...

Embodiment 2

[0060] The outstanding advantage of the entire ultrasonic scanning compression and follower device is in the scanning of the area containing bone tissue, because the flexible compression roller smoothes the concavities and convexities of the joints and prevents hard tissue damage caused by jamming. However, the present invention can also be used for large-area scanning of various positions on the human body surface, such as the abdomen. In order to improve the experience, you can replace the wider pinch rollers or use multiple sets of pinch rollers symmetrically. There is no difference from Example 1 in other respects.

Embodiment 3

[0062] The entire ultrasonic scanning compression and follow-up device can also be operated by hand. The hand-held telescopic box body only needs to adjust the shape of the device arm to facilitate hand-holding. The pressure value is collected and displayed by the medical machine, and the person can intuitively adjust the applied force according to the value of the pressure sensor. , to prevent discomfort to the patient, by rotating the compression assembly and the torsion spring adjustment mechanism, the present invention ensures that the person does not need to keep the position of the ultrasonic probe vertical to the scanning area and the force applied is stable, which not only reduces the working pressure of the doctor but also prevents Inaccurate manual operation.

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Abstract

The invention discloses a medical ultrasonic scanning compaction and follow-up device with self-adaptive pressure-regulating capability. The device comprises a spring telescopic cylinder, a rotary compaction assembly and a torsion adjusting mechanism. According to the invention, a spring is adjusted up and down, a torsion spring drives a probe to rotate so as to realize two degrees of self-adaptation, and a flexible compaction roller is adopted to flatten the unevenness of condyle, and to prevent hard tissue damage caused by blocking. According to the invention, the probe is additionally provided with a lateral branch which is arranged on a four-bar mechanism. On the one hand, the contact pressure between the probe and the skin isolates the influence of the back height, and on the other hand, the probe is ensured to be vertical to the scanning area, so that the plane pressure of any inclination angle can be kept constant, and safe, reliable and high-quality imaging of the robot-assisted medical ultrasonic scanning can be ensured.

Description

technical field [0001] The invention relates to the field of medical ultrasonic scanning, in particular to robot-assisted ultrasonic scanning of the human spine, in particular to a compression and follower device for medical ultrasonic scanning with self-adaptive pressure regulation capability. Background technique [0002] The traditional medical ultrasound scan method is a hand-held manual ultrasound scan. The doctor holds an ultrasound probe to scan the corresponding body parts of the patient to obtain the three-dimensional structural characteristics of the patient's examination site. The existing robot-assisted ultrasonic scanning equipment that has been developed adopts mechanical scanning, which overcomes the shortcomings of manual scanning, such as fatigue, hand shaking, and unstable pressure, which affect the quality of ultrasonic imaging. However, the ultrasonic probe is usually fixed in a simple way. Rigid fixation mainly has the following problems: 1. During the m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/08A61B8/00
Inventor 杨克己王云江朱永坚武二永
Owner ZHEJIANG UNIV
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