JPS6368312U - - Google Patents
Info
- Publication number
- JPS6368312U JPS6368312U JP16298386U JP16298386U JPS6368312U JP S6368312 U JPS6368312 U JP S6368312U JP 16298386 U JP16298386 U JP 16298386U JP 16298386 U JP16298386 U JP 16298386U JP S6368312 U JPS6368312 U JP S6368312U
- Authority
- JP
- Japan
- Prior art keywords
- electroacoustic transducer
- fixed
- treatment device
- ultrasonic treatment
- mounting base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は、本考案の一実施例を示す超音波治療
装置の要部の断面図、第２図は、上記装置におけ
る積層セラミツク振動子を駆動するための電気回
路図、第３図は、上記第１図に示した積層セラミ
ツク振動子のインピーダンス特性を表わす図、第
４図Ａ，Ｂは、それぞれ上記積層セラミツク振動
子に与える駆動パルスと、その振動子からの出力
パルスの各波形図、第５図は、超音波治療装置の
一例の使用状態における概略断面図、第６図は、
従来のセラミツク振動子のインピーダンス特性を
表わす図、第７図Ａ，Ｂは、それぞれ従来のセラ
ミツク振動子に与える駆動パルスと、その振動子
からの出力パルスの各波形図である。
１……セラミツク振動子からなる圧電素子、１
０……取付台、１１……積層セラミツク振動子（
電気音響変換素子）。
FIG. 1 is a cross-sectional view of the main parts of an ultrasonic treatment device showing an embodiment of the present invention, FIG. 2 is an electric circuit diagram for driving a laminated ceramic vibrator in the device, and FIG. A diagram showing the impedance characteristics of the laminated ceramic resonator shown in FIG. 1, and FIGS. 4A and 4B are waveform diagrams of the drive pulse applied to the laminated ceramic resonator and the output pulse from the resonator, respectively. FIG. 5 is a schematic sectional view of an example of an ultrasonic treatment device in a state of use, and FIG.
Figures 7A and 7B, which represent the impedance characteristics of a conventional ceramic vibrator, are waveform diagrams of a drive pulse applied to a conventional ceramic vibrator and an output pulse from the vibrator, respectively. 1...Piezoelectric element made of a ceramic vibrator, 1
0...Mounting base, 11...Laminated ceramic resonator (
electroacoustic transducer).
Claims (1)
された電気音響変換素子を同素子の共振周波数よ
り低い広帯域の部分で駆動するようにしたことを
特徴とする超音波治療装置。 An ultrasonic treatment device characterized in that an electroacoustic transducer is fixed to a mounting base, and the fixed electroacoustic transducer is driven in a wide band portion lower than the resonant frequency of the electroacoustic transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16298386U JPS6368312U (en) | 1986-10-23 | 1986-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16298386U JPS6368312U (en) | 1986-10-23 | 1986-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6368312U true JPS6368312U (en) | 1988-05-09 |
Family
ID=31090764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16298386U Pending JPS6368312U (en) | 1986-10-23 | 1986-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6368312U (en) |
-
1986
- 1986-10-23 JP JP16298386U patent/JPS6368312U/ja active Pending
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