Intravascular ultrasonic transducer with side flanging electrodes
By using a side-flagged electrode structure and a fixed connection method of polymer fiber in the intravascular ultrasound transducer, the strength and sound permeability of the ceramic hemisphere are improved, the problem of limited sound wave output in the existing technology is solved, and the Effective biowave vibration output and electrical signal transmission.
Patent Information
- Application Number
- CN202322549815.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-20
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2033-09-20
AI Technical Summary
The acoustic permeability of existing intravascular ultrasonic transducers is not high enough, resulting in a large limitation on the output of vibrating sound waves.
A side flanged electrode intravascular ultrasound transducer is designed, which adopts the combined structure of the first PZT ceramic hemisphere and the second PZT ceramic hemisphere, and is fixedly connected by the second ultra-high molecular polyethylene fiber and epoxy resin to improve the Strength and acoustic transparency of ceramic hemispheres.
It has achieved the improvement of the strength and sound permeability of the PZT ceramic hemisphere, allowing the biological wave vibration to be effectively output. At the same time, the wire outputs electrical signals and the rubber sleeve provides protection.
Smart Images

Figure CN222367712U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an ultrasonic transducer, in particular to an intravascular ultrasonic transducer with a side-flipped electrode. Background Art
[0002] Ultrasonic transducers are widely used. They are divided into industry, agriculture, transportation, life, medical and military according to the industries they are used in. They are divided into ultrasonic processing, ultrasonic cleaning, ultrasonic detection, detection, monitoring, telemetry, remote control, etc. according to the functions they realize; they are divided into liquid, gas, organism, etc. according to the working environment; they are divided into power ultrasonic, detection ultrasonic, ultrasonic imaging, etc. according to the properties.
[0003] The acoustic transparency of the materials currently used in intravascular ultrasonic transducers is not high enough, and the output of vibration sound waves is greatly limited.
[0004] Therefore, a side-flipped electrode intravascular ultrasound transducer is needed to improve the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to provide a side-flipped electrode intravascular ultrasonic transducer to solve the problems raised in the above-mentioned background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A side-flanged electrode intravascular ultrasonic transducer comprises a first PZT ceramic hemisphere, a second PZT ceramic hemisphere is arranged on one side of the first PZT ceramic hemisphere, the first PZT ceramic hemisphere and the second PZT ceramic hemisphere have the same composition structure, the first PZT ceramic hemisphere is fixedly connected to a second ultra-high molecular polyethylene fiber on the outside, the first PZT ceramic hemisphere is fixedly connected to a first ultra-high molecular polyethylene fiber on the inside, the first ultra-high molecular polyethylene fiber is fixedly connected to epoxy grease on the inside, a small amount of silicon oxide powder is added to the epoxy grease, and the ratio of epoxy grease: silicon oxide powder is 1:0.3.
[0008] As a preferred solution of the utility model, a wire is provided on one side of the first PZT ceramic hemisphere and the second PZT ceramic hemisphere, and the wire is electrically connected to an external ultrasonic device.
[0009] As a preferred solution of the utility model, a rubber sleeve is provided on the outside of the wire, the wire passes through the inside of the rubber sleeve, and the rubber sleeve is fixedly connected to the first PZT ceramic hemisphere and the second PZT ceramic hemisphere.
[0010] As a preferred solution of the utility model, the first PZT ceramic hemisphere and the second PZT ceramic hemisphere are combined into a hollow sphere.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. In the utility model, the second ultra-high molecular weight polyethylene fiber and epoxy resin are provided to help improve the strength of the first PZT ceramic hemisphere and the second PZT ceramic hemisphere, and the first ultra-high molecular weight polyethylene fiber and the second ultra-high molecular weight polyethylene fiber are acoustically permeable, so that the bio-wave vibration of the first PZT ceramic hemisphere and the second PZT ceramic hemisphere can be effectively output after voltage is added.
[0013] 2. In the present invention, the electric signal can be outputted through the provided wire, and the wire connection end can be protected through the provided rubber sleeve. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the main view of the utility model;
[0016] Figure 3 It is a schematic diagram of the internal structure of the main view of the utility model.
[0017] In the figure: 1. first PZT ceramic hemisphere; 2. second PZT ceramic hemisphere; 3. first ultra-high molecular polyethylene fiber; 4. epoxy grease; 5. second ultra-high molecular polyethylene fiber; 6. rubber sleeve; 7. wire. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0020] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0022] See also Figure 1-3 , the utility model provides a technical solution:
[0023] For example, please refer to Figure 1 , 2 And 3, a side-flanged electrode intravascular ultrasonic transducer, comprising a first PZT ceramic hemisphere 1, a second PZT ceramic hemisphere 2 is arranged on one side of the first PZT ceramic hemisphere 1, the first PZT ceramic hemisphere 1 and the second PZT ceramic hemisphere 2 have the same composition structure, the outside of the first PZT ceramic hemisphere 1 is fixedly connected with a second ultra-high molecular polyethylene fiber 5, the inside of the first PZT ceramic hemisphere 1 is fixedly connected with a first ultra-high molecular polyethylene fiber 3, the inside of the first ultra-high molecular polyethylene fiber 3 is fixedly connected with epoxy grease 4, a small amount of silicon oxide powder is added inside the epoxy grease 4, and the ratio of epoxy grease: silicon oxide powder = 1:0.3.
[0024] For example, please refer to Figure 1 , 2 and 3, a wire 7 is provided on one side of the first PZT ceramic hemisphere 1 and the second PZT ceramic hemisphere 2, and the wire 7 is electrically connected to an external ultrasonic device.
[0025] For example, please refer to Figure 1 , 2 3. A rubber sleeve 6 is disposed outside the wire 7. The wire 7 runs through the inside of the rubber sleeve 6. The rubber sleeve 6 is fixedly connected to the first PZT ceramic hemisphere 1 and the second PZT ceramic hemisphere 2.
[0026] For example, please refer to Figure 1 , 2 and 3, the first PZT ceramic hemisphere 1 and the second PZT ceramic hemisphere 2 are combined into a hollow sphere.
[0027] Working principle: When in use, the second ultra-high molecular polyethylene fiber 5 and epoxy resin 4 can be very helpful to improve the strength of the first PZT ceramic hemisphere 1 and the second PZT ceramic hemisphere 2, and the first ultra-high molecular polyethylene fiber 3 and the second ultra-high molecular polyethylene fiber 5 are acoustically permeable, so that the bio-wave vibration of the first PZT ceramic hemisphere 1 and the second PZT ceramic hemisphere 2 after the voltage is added can be effectively output, and the wire 7 outputs the electrical signal, and the rubber sleeve 6 can protect the connection end of the wire 7.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A side-flanged electrode intravascular ultrasound transducer, comprising a first PZT ceramic hemisphere (1), characterized in that: A second PZT ceramic hemisphere (2) is arranged on one side of the first PZT ceramic hemisphere (1); the first PZT ceramic hemisphere (1) and the second PZT ceramic hemisphere (2) have the same composition structure; the outside of the first PZT ceramic hemisphere (1) is fixedly connected to a second ultra-high molecular polyethylene fiber (5); the inside of the first PZT ceramic hemisphere (1) is fixedly connected to a first ultra-high molecular polyethylene fiber (3); and the inside of the first ultra-high molecular polyethylene fiber (3) is fixedly connected to an epoxy resin (4).
2. The side-flipped electrode intravascular ultrasound transducer according to claim 1, characterized in that: A wire (7) is provided on one side of the first PZT ceramic hemisphere (1) and the second PZT ceramic hemisphere (2), and the wire (7) is electrically connected to an external ultrasonic device.
3. The side-flipped electrode intravascular ultrasonic transducer according to claim 2, characterized in that: A rubber sleeve (6) is provided outside the wire (7), the wire (7) passes through the inside of the rubber sleeve (6), and the rubber sleeve (6) is fixedly connected to the first PZT ceramic hemisphere (1) and the second PZT ceramic hemisphere (2).
4. The side-flipped electrode intravascular ultrasonic transducer according to claim 1, characterized in that: The first PZT ceramic hemisphere (1) and the second PZT ceramic hemisphere (2) are combined into a hollow sphere.