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Mechanical 3D (Three Dimensional) probe

A 3D, mechanical technology, applied in the field of ultrasonic imaging, can solve the problems of hindering the propagation of ultrasonic waves, affecting the diagnosis and judgment of doctors, and the entry of external gas into confined spaces, so as to reduce the risk of leakage

Inactive Publication Date: 2013-03-27
深圳优瑞科生物电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the internal pressure is still lower than the external pressure, it is easy to cause external gas to enter the confined space from various sealing parts and pipe walls
Once there are bubbles in the confined space, the bubbles may move to the area between the acoustic head and the acoustic window. Since the ultrasonic wave is strongly reflected at the gas-liquid interface, it hinders the propagation of the ultrasonic wave and will form interference such as black shadows on the image. , affecting the doctor's correct diagnosis

Method used

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  • Mechanical 3D (Three Dimensional) probe
  • Mechanical 3D (Three Dimensional) probe
  • Mechanical 3D (Three Dimensional) probe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] like Figure 4 , 5 As shown, a mechanical 3D probe includes a base 1, an acoustic window 12, and a flexible pipe 15. The acoustic window 12 is connected to the base 1, and the acoustic window 12 and the base 1 form a A closed space 13 for loading coupling liquid, the sound head 10 is arranged in the closed space 13, a through hole 1a is provided on the base 1 to communicate with the closed space 13; the head end of the hose 15 is an opening end, the end is a closed end, the first end of the hose 15 is connected to the through hole 1a of the base 1, the end of the hose 15 extends into the closed space 13, and the outer wall of the end of the hose 15 is directly coupled with the The inner cavity of the hose 15 communicates with the air outside the closed space 13 .

[0034] The cross-section of the hose 15 is a common concentric circle, the inner chamber of the hose is opened at both ends of the hose, and the head end of the hose 15 is tightly pressed in the through hol...

Embodiment 2

[0043] like Figure 6 , 7 As shown, the cross section of the hose 15 is a common concentric circle, the inner cavity of the hose 15 is opened at the head end of the hose 15 , and the inner cavity of the hose 15 is closed at the end of the hose 15 . The open end of hose 15 is tightly pressed in the through hole 1a of base 1 through a plug 16 with a hole, and the end of hose 15 stretches into closed space 13, and the outer wall of the end of hose 15 is connected with the coupling liquid in closed space 13. direct contact.

[0044] The difference of the second embodiment with respect to the first embodiment is that the inner chamber of the flexible pipe 15 is opened at the head end of the flexible pipe 15, and is closed at the end of the flexible pipe 15, so it is not necessary to perform sealing treatment at the end of the inner cavity of the flexible pipe 15 , so the structure is simpler.

Embodiment 3

[0046] like Figure 8 , 9 As shown, the cross section of the hose 15 is non-circular, and the inner chamber of the hose 15 is open at the head end of the hose 15 and closed at the end of the hose 15 . The open end of hose 15 is tightly pressed in the through hole 1a of base 1 through a plug 16 with a hole, and the end of hose 15 stretches into closed space 13, and the outer wall of the end of hose 15 is connected with the coupling liquid in closed space 13. direct contact.

[0047] The third embodiment is different from the second embodiment in that: the cross section of the hose 15 is non-circular, the cross section of the hose 15 can be flexibly designed according to the actual situation, and the area surrounded by the inner contour of the hose 15 is also relatively large. Under the condition of the same length, the inner volume of the hose 15 is larger, which can compensate for the larger volume change of the coupling fluid in the closed space.

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Abstract

The invention provides a mechanical 3D (Three Dimensional) probe, comprising a base, an acoustic window and a hose, wherein the acoustic window is connected to the base; a closed space for loading coupling liquid is formed between the acoustic window and the base; the closed space is internally provided with an acoustic head; the base is communicated with the closed source through a through hole; the front end of the hose is opened and the tail end of the hose is closed; the front end of the hose is connected to the through hole of the base and the tail end of the hose stretches into the closed space; and an inner cavity of the hose is communicated with outer air of the closed space. The hose works under a noncircular section inner outline condition, and the volume of the inner cavity of the hose under the working state is less than the volume of the inner cavity of the hose under the natural state, so that the risk that the outer air enters the closed space can be reduced.

Description

technical field [0001] The present invention relates to ultrasound imaging, in particular mechanical 3D probes. Background technique [0002] The mechanical 3D probe is an ultrasonic probe with a three-dimensional imaging function. Under signal control, the motor inside the probe drives the sound head that transmits and receives ultrasonic waves to swing back and forth within a certain angle through the transmission system. At each swing angle, the mechanical 3D probe can emit ultrasonic waves like a traditional probe and receive echoes with human tissue information. The ultrasonic imaging system then processes the 2D information collected at different angles and synthesizes them into 3D image. [0003] figure 1 and figure 2 It is a schematic diagram of the overall mechanical transmission scheme of a mechanical 3D probe in the prior art, the motor 2 is fixed on the base 1 through the bracket 3, and the motor 2 transmits its output motion from the synchronous pulley 4 to ...

Claims

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Application Information

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IPC IPC(8): A61B8/14A61B8/00
Inventor 黄劼
Owner 深圳优瑞科生物电子有限公司
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