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Coupling agent for ultrasound diagnostic instrument probe

An ultrasonic diagnostic instrument and couplant technology, applied in the field of medicine, can solve the problems of unclear coating location, poor antibacterial performance, irritation, etc.

Inactive Publication Date: 2018-03-16
THE THIRD XIANGYA HOSPITAL OF CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing medical ultrasonic coupling agent has been widely used in hospitals as an intermediary medium for ultrasonic detection and treatment of skin and cavity mucous membranes. Clinical ultrasonic examinations in various hospitals mostly use sodium carboxymethyl cellulose, methyl p-hydroxybenzoic acid, etc. The couplant as the main body has a certain coupling effect, but its antibacterial performance is poor. The main component of some sterile medical ultrasonic couplants is chemical compounds, which will cause certain corrosion and irritation to the skin of patients under examination in clinical applications.
On the other hand, because the coupling agent is usually colorless, when it is applied to the skin, the staff does not know the specific location of the application, resulting in some places not being coated, and some places being overcoated, which affects ultrasonic effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] According to mass percentage, take 7% of aromatic hydrosol, 0.1% of glycerin, 2% of silver ion, 2% of hydroxypropyl cellulose, 0.2% of iron blue, and the balance is deionized water to make coupling agent, and apply it to the skin , using an ultrasonic probe to conduct ultrasonic testing on the human body, its sound velocity at 35°C is 1580m / s, sound attenuation is 0.032dB / (cm.MHz), pH value is 7.1, and viscosity is 18Pa.S, which is better than the national standard.

Embodiment 2

[0018] According to mass percentage, take 8.5% of aromatic hydrosol, 0.3% of glycerin, 1% of nano-silver, 3% of starch ether, 0.1% of water-based pigment, and the balance is deionized water to make coupling agent, apply it to the skin, and use Ultrasonic probe is used for ultrasonic detection of human body. At 35°C, the sound velocity is 1610m / s, the sound attenuation is 0.026dB / (cm.MHz), the pH value is 7.0, and the viscosity is 20Pa.S, which is better than the national standard.

Embodiment 3

[0020] According to mass percentage, take 10% of aromatic hydrosol, 0.5% of glycerin, 2% of nano-titanium dioxide, 5% of chitosan, 0.2% of titanium dioxide, and the balance is deionized water to make a coupling agent, which is applied to the skin. The ultrasonic probe conducts ultrasonic testing on the human body. At 35°C, the sound velocity is 1583m / s, the sound attenuation is 0.036dB / (cm.MHz), the pH value is 7.1, and the viscosity is 18Pa.S, which is better than the national standard.

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PUM

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Abstract

The invention relates to a coupling agent for an ultrasound diagnostic instrument probe. The coupling agent is prepared from the following components in percentage by mass: 7 percent to 10 percent ofaromatic hydrosol, 0.1 percent to 0.5 percent of glycerol, 1 percent to 2 percent of fungicide, 2 percent to 5 percent of a viscosity regulator, 0.05 percent to 0.2 percent of pigment and the balanceof water. According to the coupling agent provided by the invention, the aromatic hydrosol, the glycerol, the fungicide, the viscosity regulator, the pigment and the like are adopted, so that the coupling agent can be developed and has no toxin and irritating odor. When skin is coated with the coupling agent provided by the invention, a coating position can be clearly displayed; the coupling agentcan be accurately covered and materials can be saved.

Description

technical field [0001] The invention relates to the field of medicine, in particular to a coupling agent for a probe of an ultrasonic diagnostic instrument. Background technique [0002] During ultrasound examination, the air between the probe and the patient's skin will hinder the transmission of ultrasonic waves into the human body. In order to obtain high-quality images, a liquid conductive medium is needed to connect the probe and the patient's body surface. This medium is the couplant. Medical ultrasonic coupling agent is a medical product composed of a new generation of water-based polymer gel. It is non-toxic and harmless to the human body, not easy to dry, not easy to rancidity, clear ultrasonic imaging, suitable viscosity, non-greasy, easy to slide the probe, can moisten the skin, eliminate air on the skin surface, good lubrication performance, easy to spread; The probe is free from corrosion and damage. The existing medical ultrasonic coupling agent has been wide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K49/22
CPCA61K49/22
Inventor 高峰李明黄丽李田刘婷
Owner THE THIRD XIANGYA HOSPITAL OF CENT SOUTH UNIV
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