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Ultrasonic probe

一种超声探头、滑轮的技术，应用在超声波/声波/次声波诊断、声波诊断、次声波诊断等方向，能够解决从动滑轮偏移、困难超声图像、线材110长等问题

Inactive Publication Date: 2006-01-11
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wire 110 connects the drive pulley 109 mounted on the motor 108 inside the grip portion 101 and the driven pulley 111 mounted on the transducer unit 103 at the end of the insertion portion 102, so the wire 110 needs to be long
Therefore, there is a possibility that the wire is loose, which causes the deflection of the driven pulley, in addition to the deflection of the ultrasonic transducer connected to the driven pulley
This offset also makes it difficult to obtain accurate ultrasound images

Method used

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Examples

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Embodiment Construction

[0017] In the ultrasonic probe of the present invention, the motor in the grip portion generates a driving force, which is transmitted to the first pulley via the shaft, so that the first pulley rotates, and the rotational motion of the first pulley is transmitted to the second pulley via the wire, so that The second pulley rotates, which is why the transducer unit can swing. In this manner, the transducer unit is oscillated by wire driving without using gears, so that unnecessary vibration generated when driving the oscillating mechanism can be reduced.

[0018] In addition, the driving force of the motor is transmitted to the swing mechanism in the insertion portion via the shaft, and is transmitted to the transducer unit in the swing mechanism via the wire. Accordingly, the wires can be made relatively short, which reduces slack in the wires and deflection of the transducer unit.

[0019] In the ultrasonic probe, preferably, the first pulley and the second pulley have the ...

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PUM

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Abstract

The present invention provides an ultrasonic probe, comprising an insert part inserted into a body cavity and a grip part (1) held by an operator on the outside of the body cavity, the insert part (2) further comprising a vibrator unit (4), a rotating shaft installed in the vibration unit, and an oscillation mechanism oscillating the vibrator unit (4) about the rotating shaft, the grip part (1) further comprising a motor (5) generating a drive force driving the oscillation mechanism, the oscillation mechanism further comprising a shaft (9) connected to the motor (5), a first pulley (6) coaxially fitted to the shaft (9), a second pulley (7) coaxially fitted to the rotating shaft of the vibrator unit (4), and a wire (8) stretched to be laid out between the first pulley (6) and the second pulley (7).

Description

technical field [0001] The invention relates to an ultrasonic probe, which uses an ultrasonic transducer inserted into a body cavity to transmit and receive ultrasonic waves to a living body. Background technique [0002] As a probe used in the structure of an ultrasonic diagnostic device in the medical field, an in vivo insertion type ultrasonic probe is known, which implements ultrasonic scanning in the body by inserting an ultrasonic transducer into a body cavity of a subject to be examined. [0003] Figure 5 is a schematic sectional view illustrating the structure of a conventional body-insertable ultrasound probe (hereinafter, referred to as "first conventional example"). An ultrasonic probe having such a structure is disclosed, for example, in JP2001-327501A. This probe includes an insertion portion 102 for being inserted into a body cavity, and a grip portion 101 for being held by an operator outside the body cavity. The insertion portion 102 is in the shape of an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/12
CPCA61B8/4461A61B8/12A61B8/445A61B8/4209G10K11/355G01S15/894A61B8/4494A61B8/4466B06B1/02G10K11/30B06B2201/76G01S7/52079
Inventor 门仓雅彦
Owner KONICA MINOLTA INC
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