JPH0213507U - - Google Patents
Info
- Publication number
- JPH0213507U JPH0213507U JP9220588U JP9220588U JPH0213507U JP H0213507 U JPH0213507 U JP H0213507U JP 9220588 U JP9220588 U JP 9220588U JP 9220588 U JP9220588 U JP 9220588U JP H0213507 U JPH0213507 U JP H0213507U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- cuff
- light
- detecting
- emitting device
- 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
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 238000013186 photoplethysmography Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 206010005746 Blood pressure fluctuation Diseases 0.000 claims 1
- 230000036772 blood pressure Effects 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
第１図はこの考案の実施例に係る光電容積脈波
法による非侵襲的連続血圧測定装置の構成図、第
２図はカフおよび被検部（手の指部）の模式図、
第３図は比較器の入出力電圧波形を示す図、第４
図はカフ圧に対する受光量の関係を時間を横軸に
設定した図である。
尚、図面中、２は指、３はカフ、６は発光ダイ
オード、７は発振器、８はスイツチングトランジ
スタ、１０はフオトトランジスタ、１２はバンド
パスフイルタ、１３は検波器、１５は圧力供給源
、１６は供給圧力制御手段、２７は圧力センサで
ある。
FIG. 1 is a configuration diagram of a non-invasive continuous blood pressure measurement device using photoplethysmography according to an embodiment of this invention, and FIG. 2 is a schematic diagram of the cuff and the test area (finger part of the hand).
Figure 3 shows the input and output voltage waveforms of the comparator, Figure 4 shows the input and output voltage waveforms of the comparator.
The figure shows the relationship between the amount of light received and the cuff pressure, with time set on the horizontal axis. In the drawing, 2 is a finger, 3 is a cuff, 6 is a light emitting diode, 7 is an oscillator, 8 is a switching transistor, 10 is a phototransistor, 12 is a bandpass filter, 13 is a detector, 15 is a pressure supply source, 16 is a supply pressure control means, and 27 is a pressure sensor.
Claims (1)
供給する圧力供給源と、前記被検部に所定の周波
数で間欠的に光を照射する発光手段と、該発光手
段から照射された光を検出することで前記被検部
の血管の血圧脈動的変化に伴う容積変動を検出す
る受光手段と、該受光手段の出力信号のうち、前
記周波数帯域の信号のみを通過させるフイルタと
、該フイルタの出力信号を検波する検波手段と、
該検波手段の出力信号に基づいて前記カフに供給
する圧力を制御する供給圧力制御手段とを備え、
前記カフに加える圧力を血圧として測定すること
を特徴とする光電容積脈波法による非侵襲的連続
血圧測定装置。 A cuff that applies pressure to the test area, a pressure source that supplies pressure to the cuff, a light emitting device that intermittently irradiates the test area with light at a predetermined frequency, and light irradiated from the light emitting device. a light-receiving means for detecting a volume change accompanying a pulsating change in blood pressure of the blood vessel of the subject area; a filter for passing only a signal in the frequency band among the output signals of the light-receiving means; detection means for detecting the output signal of the
supply pressure control means for controlling the pressure supplied to the cuff based on the output signal of the detection means,
A non-invasive continuous blood pressure measurement device using photoplethysmography, characterized in that pressure applied to the cuff is measured as blood pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9220588U JPH0213507U (en) | 1988-07-12 | 1988-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9220588U JPH0213507U (en) | 1988-07-12 | 1988-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0213507U true JPH0213507U (en) | 1990-01-29 |
Family
ID=31316659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9220588U Pending JPH0213507U (en) | 1988-07-12 | 1988-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0213507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5147981A (en) * | 1974-10-24 | 1976-04-24 | Mitoyo Gomu Kasukabe Kojo Kk | |
| CN102647940A (en) * | 2009-10-29 | 2012-08-22 | Cn体系药物技术有限公司 | Digital control method for measuring blood pressure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5310334U (en) * | 1976-07-09 | 1978-01-28 |
-
1988
- 1988-07-12 JP JP9220588U patent/JPH0213507U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5310334U (en) * | 1976-07-09 | 1978-01-28 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5147981A (en) * | 1974-10-24 | 1976-04-24 | Mitoyo Gomu Kasukabe Kojo Kk | |
| CN102647940A (en) * | 2009-10-29 | 2012-08-22 | Cn体系药物技术有限公司 | Digital control method for measuring blood pressure |
| JP2013509226A (en) * | 2009-10-29 | 2013-03-14 | シーエヌシステムズ メディジンテクニク アクチェンゲゼルシャフト | Apparatus and method for enhancing and analyzing signals from continuous non-invasive blood pressure devices |
| JP2013509225A (en) * | 2009-10-29 | 2013-03-14 | シーエヌシステムズ メディジンテクニク アクチェンゲゼルシャフト | Digital control method for blood pressure measurement |
| JP2016025935A (en) * | 2009-10-29 | 2016-02-12 | シーエヌシステムズ メディジンテクニク アクチェンゲゼルシャフト | Digital control method for blood pressure measurement |
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