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Probe transmission device

A technology of transmission device and driving shaft, applied in the field of medical instruments

Active Publication Date: 2014-12-24
SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to solve the problem of interference between the pressure block and the rope in the probe transmission device, and provide a probe transmission device that avoids interference between the rope and the pressure block

Method used

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Examples

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Embodiment Construction

[0027] Traditional probe drives such as Figure 1a , Figure 1b As shown, it is necessary to process a plane on the driving shaft first, and press the two ends of the rope with a screw pressure block. Since the pressure block has a certain volume, the rope may interfere with the pressure block during the rotation of the drive shaft. , increasing the probability of error and the difficulty of assembly.

[0028] An embodiment of the probe transmission device, such as figure 2 , image 3 As shown, the probe transmission device includes a driving shaft 100 , a rope clamping rod 300 and a rope 200 . The driving shaft 100 defines a shaft hole 120 and a diameter hole 140 , and the diameter hole 140 communicates with the shaft hole 120 . The rope 200 extends into the shaft hole 120 through the diameter hole 140 , and the rope clamping rod 300 is nested in the shaft hole 120 to fix the rope 200 in the shaft hole 120 . It is easy to understand that the rope clamping rod 300 can als...

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PUM

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Abstract

A probe transmission device comprises a driving shaft, a rope and a fixing piece, wherein an axial hole and a radial hole are formed in the driving shaft; the radial hole is communicated with the axial hole; the rope extends in the axial hole via the radial hole; and the fixing piece is arranged in the axial hole and fixes the rope in the axial hole. The axial hole and the radial hole are formed in the driving shaft of the probe transmission device, and the rope extends in the radial hole and is fixed by the fixing piece arranged in the axial hole. The rope fixing structure of the probe transmission device is simple; an element for fixing the rope on the surface of the driving shaft can be omitted; the surface of the driving shaft is smooth; and a phenomenon that the rope and the element intervene to each other is avoided.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a probe transmission device. Background technique [0002] An ultrasonic probe with 3D imaging function is called a 3D mechanical probe, which generally has a transducer unit for transmitting and receiving signals. The stepping motor is used as the driving power source, and the transducer unit is driven to swing within a certain angle under signal control. At each swing angle, the transducer unit can emit ultrasonic waves and receive echoes with human tissue information, so it can image human tissue at every angle within the swing range, thereby constructing a 3D image of human tissue . [0003] 3D mechanical probes are further divided into surface 3D mechanical probes and intracavity 3D mechanical probes. Common driving methods for intracavity 3D mechanical probes include bevel gears, ropes, etc. The rope driving device is provided with a driven shaft, a pulley, and a prob...

Claims

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Application Information

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IPC IPC(8): F16H19/00F16G11/00A61B8/12
CPCA61B8/12F16G11/06F16H19/08F16H2019/085A61B8/4444A61B8/4466G01S7/52079G01S15/894G01S15/8993
Inventor 唐明陈振宇白乐云
Owner SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD