JPH0187742U - - Google Patents
Info
- Publication number
- JPH0187742U JPH0187742U JP18460287U JP18460287U JPH0187742U JP H0187742 U JPH0187742 U JP H0187742U JP 18460287 U JP18460287 U JP 18460287U JP 18460287 U JP18460287 U JP 18460287U JP H0187742 U JPH0187742 U JP H0187742U
- Authority
- JP
- Japan
- Prior art keywords
- drive signal
- dialysis
- transducer
- cavitation
- dialysis tank
- 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.)
- Granted
Links
- 238000000502 dialysis Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000007485 conventional hemodialysis Methods 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Description
第１図は本考案に係る超音波透析装置の一実施
例を示す概略斜視図、第２図は同実施例の概略平
面図、第３図は同実施例の回路構成図、第４図は
同実施例のスイツチング部のスイツチオンオフ切
換えのタイムチヤート図、第５図Ａ及びＢはキヤ
ビテーシヨン発生検出用超音波の出力強度と入力
強度との関係を示すグラフ図、第６図は従来の血
液透析装置の説明図である。
１０…透析槽、１６…血液供給管、１８…血液
排出管、２４…振動子、２６…駆動信号出力部、
２８…スイツチング部、３０…送信部、３２…受
信部、３４…制御回路、３５…駆動制御部。
Fig. 1 is a schematic perspective view showing an embodiment of the ultrasonic dialysis device according to the present invention, Fig. 2 is a schematic plan view of the embodiment, Fig. 3 is a circuit configuration diagram of the embodiment, and Fig. 4 is A time chart of the on/off switching of the switching unit in the same embodiment, Figures 5A and B are graphs showing the relationship between the output intensity and input intensity of ultrasonic waves for detecting cavitation occurrence, and Figure 6 is a graph of conventional hemodialysis. FIG. 2 is an explanatory diagram of the device. DESCRIPTION OF SYMBOLS 10... Dialysis tank, 16... Blood supply pipe, 18... Blood discharge pipe, 24... Vibrator, 26... Drive signal output part,
28... Switching section, 30... Transmitting section, 32... Receiving section, 34... Control circuit, 35... Drive control section.
Claims (1)
るように配設され透析槽内に超音波を送波する複
数の振動子対と、 該複数の振動子対の各振動子に透析促進用の超
音波を送波させるための駆動信号を供給する駆動
信号出力部と、 複数の振動子対のうちいずれか１対の振動子の
一方の振動子に透析槽内のキヤビテーシヨン発生
検出用の超音波を他方の振動子に向けて出力させ
るための信号を供給する送信部と、 前記他方の振動子に入力した超音波に基づいて
キヤビテーシヨンの発生を検出する受信部と、 前記駆動信号出力部から各振動子への駆動信号
供給を選択的にオンオフ制御するとともに駆動信
号供給の行われていないいずれかの振動子対の一
方の振動子へ前記送信部から信号を供給させ他方
の振動子に入力されたキヤビテーシヨン検出用超
音波を前記受信部へ送るように各振動子と送信部
・受信部との接続をオンオフ制御するスイツチン
グ部と、 受信部からのキヤビテーシヨン信号に基づいて
駆動信号出力部からの駆動信号の出力を制御する
駆動制御部と、 を含むことを特徴とする超音波透析装置。[Scope of Claim for Utility Model Registration] A dialysis tank that performs dialysis treatment inside the dialysis tank, and a plurality of vibrations arranged around the periphery of the dialysis tank to face each other across the dialysis tank and that transmit ultrasonic waves into the dialysis tank. a drive signal output section that supplies a drive signal for causing each vibrator of the plurality of transducer pairs to transmit an ultrasonic wave for promoting dialysis; a transmitting unit that supplies a signal to one of the transducers to output an ultrasonic wave for detecting cavitation occurrence in the dialysis tank toward the other transducer; a receiving unit that detects the occurrence of cavitation based on the drive signal output unit; and a receiving unit that selectively controls on/off the supply of drive signals from the drive signal output unit to each vibrator, and one of the pairs of vibrators to which the drive signal is not supplied. switching that controls on/off the connection between each transducer and the transmitter/receiver so as to supply a signal from the transmitter to the other transducer and send the cavitation detection ultrasonic wave inputted to the other transducer to the receiver; An ultrasonic dialysis apparatus comprising: a drive control section that controls output of a drive signal from a drive signal output section based on a cavitation signal from a reception section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18460287U JPH0519069Y2 (en) | 1987-12-02 | 1987-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18460287U JPH0519069Y2 (en) | 1987-12-02 | 1987-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0187742U true JPH0187742U (en) | 1989-06-09 |
| JPH0519069Y2 JPH0519069Y2 (en) | 1993-05-20 |
Family
ID=31475951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18460287U Expired - Lifetime JPH0519069Y2 (en) | 1987-12-02 | 1987-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519069Y2 (en) |
-
1987
- 1987-12-02 JP JP18460287U patent/JPH0519069Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519069Y2 (en) | 1993-05-20 |
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