JPH0431256B2 - - Google Patents
Info
- Publication number
- JPH0431256B2 JPH0431256B2 JP63031609A JP3160988A JPH0431256B2 JP H0431256 B2 JPH0431256 B2 JP H0431256B2 JP 63031609 A JP63031609 A JP 63031609A JP 3160988 A JP3160988 A JP 3160988A JP H0431256 B2 JPH0431256 B2 JP H0431256B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- blood
- pump
- tank
- pressure
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims description 29
- 230000036772 blood pressure Effects 0.000 claims description 17
- 230000017531 blood circulation Effects 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 210000004369 blood Anatomy 0.000 claims description 5
- 239000008280 blood Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000035487 diastolic blood pressure Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000005259 peripheral blood Anatomy 0.000 description 2
- 239000011886 peripheral blood Substances 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000035488 systolic blood pressure Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000036581 peripheral resistance Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Instructional Devices (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、非観血式血圧計の評価、校正等を行
うために、実際の動脈系と等価の血流状態を創り
出す血圧計検査用血流モデルに関するものであ
る。[Detailed Description of the Invention] [Industrial Application Field] The present invention is a blood pressure monitor for testing that creates blood flow conditions equivalent to the actual arterial system in order to evaluate, calibrate, etc. non-invasive blood pressure monitors. It is related to a blood flow model.
従来の非観血式血圧計の検査は、圧力値の判明
している気体を血圧計のカフ内に導入し、その圧
力値と血圧計の指示値を一致させるように校正し
ていた。
In conventional non-invasive blood pressure monitor testing, a gas whose pressure value is known is introduced into the cuff of the blood pressure monitor, and the pressure value is calibrated to match the indicated value of the blood pressure monitor.
しかしながら、この方法では単に圧力指示値を
校正できるだけで、コロトコフ音の発生・消滅或
は血管の脈動に基いて認識される最高血圧値、最
低血圧値が正しいか否かを判定することはできな
かつた。要するに、この種の血圧計の詳細な試験
方法は“JIS Ｔ 1115”の解説でも述べられてい
るように、製造業者に任されている。 However, this method can only calibrate the pressure indication value, but cannot determine whether the systolic and diastolic blood pressure values recognized based on the occurrence and disappearance of Korotkoff sounds or the pulsation of blood vessels are correct. Ta. In short, the detailed test method for this type of blood pressure monitor is left to the manufacturer, as stated in the explanation of "JIS T 1115".
本発明は、この点に鑑みて、生体に即応した人
工腕に対して実際の脈動血流状態を与えることの
できる血圧計検査用血流モデルを提供することを
目的とする。 In view of this point, an object of the present invention is to provide a blood flow model for sphygmomanometer testing that can provide an actual pulsating blood flow state to an artificial arm that corresponds to the living body.
本発明は、この目的を達成するために、血液を
模した液体９を連続的に圧送し、かつその圧力を
調整し得るポンプ１と、このポンプに後続するパ
イプ２に設けられて圧送されてきた液体９の送出
を実際の血液脈波の周期を模した周期でオン・オ
フ制御する弁３と、パイプ２に後続して液体９を
貯え、かつその液面に対するエア圧調整機構４
ａ，４ｂを備えたタンク４と、このタンクに後続
する人工腕２０と、同様にタンク４に後続して人
工腕２０に比べて十分大きな流量の液体９を通流
させる並列パイプ７と、この並列パイプ及び人工
腕２０から排水された液体９をポンプ１に循環さ
せる大気に解放されたタンク８と、人工腕２０の
流量を調整する流量調整要素１０と、並列パイプ
７の流量を調整する流量調整要素１１とより構成
した。
In order to achieve this object, the present invention includes a pump 1 that can continuously pump a blood-simulating liquid 9 and adjust its pressure, and a pump 1 that is installed in a pipe 2 that follows this pump to pump a liquid 9 that imitates blood under pressure. A valve 3 controls the delivery of the liquid 9 on and off at a cycle that simulates the cycle of an actual blood pulse wave, and an air pressure adjustment mechanism 4 that stores the liquid 9 following the pipe 2 and adjusts the liquid level.
a, 4b, an artificial arm 20 that follows this tank, a parallel pipe 7 that similarly follows the tank 4 and allows a flow of liquid 9 to flow at a sufficiently larger flow rate than that of the artificial arm 20; A tank 8 open to the atmosphere that circulates the liquid 9 drained from the parallel pipe and the artificial arm 20 to the pump 1 , a flow regulating element 10 that regulates the flow rate of the artificial arm 20 and a flow rate that regulates the flow rate of the parallel pipe 7 It is composed of an adjustment element 11.
人工腕２０は、骨格を模した棒状の剛体２１，
２２と、生体組織を模して剛体２１，２２を包囲
する筒状の弾性体２４と、この弾性体を包囲する
液体２６又はゲル状体と、皮膚を模して液体２６
又はゲル状体を包囲するシート２７と、血液を模
した液体９が通流するように血管を模して弾性体
２４に取付けられた弾性チユーブ２５とから構成
した。 The artificial arm 20 includes a rod-shaped rigid body 21 imitating a skeleton,
22, a cylindrical elastic body 24 that imitates living tissue and surrounds the rigid bodies 21 and 22, a liquid 26 or gel-like body that surrounds this elastic body, and a liquid 26 that imitates skin.
Alternatively, it is composed of a sheet 27 surrounding the gel-like body and an elastic tube 25 simulating a blood vessel and attached to the elastic body 24 so that a liquid 9 simulating blood flows therethrough.
尚、（ ）内の符号は後述する実施例のものを
引用してある。 Note that the symbols in parentheses refer to those in the embodiment described later.
（作用）
ポンプ１及び弁３は、第３図に示すウインドケ
ツセル等価回路における人工心臓を構成する。ま
た、タンク４は片側の腕部を除く動脈系を構成
し、液面の空気圧に対応した大きさの動脈系のコ
ンプライアンスＣを呈する。さらに、並列パイプ
７はこの動脈系の末梢血管を構成し、可変流体抵
抗１１はその末梢抵抗ｒを調整可能にする。可変
流体抵抗１０は、人工腕２０の流量を調整する。
タンク８は、液面が大気に解放されて静圧である
ことにより静脈として機能する。(Operation) The pump 1 and the valve 3 constitute an artificial heart in the Windkessel equivalent circuit shown in FIG. Further, the tank 4 constitutes an arterial system excluding the arm portion on one side, and exhibits a compliance C of the arterial system corresponding to the air pressure at the liquid level. Furthermore, the parallel pipe 7 constitutes a peripheral blood vessel of this arterial system, and the variable fluid resistance 11 allows its peripheral resistance r to be adjusted. Variable fluid resistance 10 adjusts the flow rate of artificial arm 20.
The tank 8 functions as a vein because the liquid level is open to the atmosphere and has static pressure.
この等価回路において、人工腕２０に対して並
列パイプ７を流れる液体流量は十分大きくなるよ
うに設定されることにより人工腕２０側の抵抗が
ｒに対して十分に大きいために、人工腕２０の流
体特性の変動に対してその入力端における液体の
圧力波形Ｐは殆ど変動しない。 In this equivalent circuit, the flow rate of the liquid flowing through the parallel pipe 7 with respect to the artificial arm 20 is set to be sufficiently large, so that the resistance on the artificial arm 20 side is sufficiently large with respect to r. The pressure waveform P of the liquid at the input end hardly changes even if the fluid characteristics change.
したがつて、第４図に示すように、人工腕２０
の入力圧力波形Ｐをトランスデユーサを介して観
血測定式に直接モニタし、弁３のオン・オフ期間
及びポンプ１の圧力と、タンク４におけるコンプ
ライアンスＣ及び可変流体抵抗１０，１１の調整
による立上がり特性Ａとの調整により、所望の圧
力波形及び最高・最低血圧値を設定される。これ
により、人工腕２０の弾性チユーブ２５を実際の
脈動に対応する圧力波形Ｐの液体が通流し、人工
腕２０にカフで圧力を加えることにより、弾性チ
ユーブ２５を変形させてコロトコフ音を聴診器で
聞いてリバロツチ法による血圧計の検査が行え
る。同様に、人工腕２０の表面に脈波計をセツト
してオシロメトリツク法による血圧計の検査等、
その外の方式による血圧計の検査も可能である。 Therefore, as shown in FIG.
The input pressure waveform P is directly invasively monitored via a transducer, and the on/off period of the valve 3 and the pressure of the pump 1 are adjusted by adjusting the compliance C in the tank 4 and the variable fluid resistances 10 and 11. By adjusting with the rise characteristic A, a desired pressure waveform and systolic and diastolic blood pressure values are set. As a result, a liquid having a pressure waveform P corresponding to the actual pulsation flows through the elastic tube 25 of the artificial arm 20, and by applying pressure to the artificial arm 20 with the cuff, the elastic tube 25 is deformed and the Korotkoff sound is produced by a stethoscope. You can perform a blood pressure monitor test using the Libarotchi method. Similarly, a pulse wave meter is set on the surface of the artificial arm 20, and a blood pressure meter is inspected using the oscillometric method.
Blood pressure monitor tests using other methods are also possible.
さらに、前述の調整手段により流量、圧力レベ
ル、圧力波形を種々に調整することにより、血圧
計を実際の循環器系の状態に対応させて多様に検
査できる。 Further, by variously adjusting the flow rate, pressure level, and pressure waveform using the aforementioned adjustment means, the blood pressure monitor can be used for various tests in accordance with the actual state of the circulatory system.
第１図及び第２図は本発明の一実施例による血
流モデルを示す。
1 and 2 show a blood flow model according to an embodiment of the present invention.
同図において、１は電動ポンプであり、血液を
模した液体例えば生理食塩水９を連続的に圧送
し、かつ回転速度の調整でその圧力が調整可能に
なつている。このポンプから圧送される生食水９
は、動脈系を模してコンプライアンスを呈するタ
ンク４に可とう性の透明樹脂パイプ２を通して供
給される。パイプ２の途中には、圧送されてきた
生食水９を実際の脈波を模した周期でオン・オフ
制御し、かつその周期及びオン時間を調整可能な
電磁弁３と、流量測定のための電磁血流計用プロ
ーブ１３とが間挿されている。 In the figure, reference numeral 1 denotes an electric pump, which continuously pumps a liquid imitating blood, such as physiological saline 9, and whose pressure can be adjusted by adjusting the rotational speed. Saline water 9 pumped from this pump
is supplied through a flexible transparent resin pipe 2 to a tank 4 exhibiting compliance simulating an arterial system. In the middle of the pipe 2, there is a solenoid valve 3 that can control the on-off of the saline solution 9 that has been pressure-fed in a cycle that simulates an actual pulse wave and can adjust the cycle and on-time, and a solenoid valve 3 for measuring the flow rate. An electromagnetic blood flow meter probe 13 is inserted.
タンク４は透明容器であり、その上面にはコツ
ク４ａ付きのパイプ４ｂを立設されて構成され、
このコツク操作によりタンク４内の圧縮空気を外
気に解放させて動脈系のコンプライアンスを大き
くさせるか、或はパイプ４ｂの先端から空気を圧
入することにより、コンプライアンスを小さくさ
せるようになつている。 The tank 4 is a transparent container, and has a pipe 4b with a cap 4a erected on its upper surface.
By this click operation, the compressed air in the tank 4 is released to the outside air to increase the compliance of the arterial system, or the compliance is decreased by pressurizing air from the tip of the pipe 4b.
さらに、このタンクと、生食水９を蒸発或は汚
染しないように蓋を備えると共に、大気解放用の
隙間を備えたドレイン用タンクとしての水槽８と
の間には、片側の腕の動脈血管を模して人工腕２
０が間挿された可とう生の透明樹脂パイプ５と、
この腕部分を除く動脈系末梢血管を模してパイプ
５に較べて大きな直径の可とう性で透明樹脂性の
並列パイプ７とが接続されている。 Furthermore, between this tank and a water tank 8, which is equipped with a lid to prevent evaporation or contamination of the saline water 9 and is a drain tank with a gap for venting to the atmosphere, an arterial blood vessel of one arm is connected. Imitation artificial arm 2
A flexible transparent resin pipe 5 in which 0 is inserted,
A parallel pipe 7 made of flexible transparent resin and having a larger diameter than the pipe 5 is connected to simulate the arterial peripheral blood vessel excluding the arm portion.
水槽８は、パイプ８ａを通して電動ポンプ１に
循環させ、また水抜き用バルブ８ｂを備えると共
に、前述のように液面に静圧が加わることによ
り、静脈系として機能する。さらに、その入口側
のパイプ５及び７には、それぞれハンドル回転で
パイプ断面方向に流体抵抗片を進退させ得る可変
流体抵抗１０，１１が、流量調整要素として取付
けられている。人工腕２０への途中のパイプ５に
は、流量測定用プローブ１３ａと、Ｔ分岐１４を
通して生食水９の圧力波形を直接モニタする圧力
トランスデユーサ１２が取付けられている。 The water tank 8 circulates water to the electric pump 1 through a pipe 8a, is equipped with a drain valve 8b, and functions as a venous system by applying static pressure to the liquid surface as described above. Furthermore, variable fluid resistances 10 and 11 are attached to the pipes 5 and 7 on the inlet side as flow rate adjusting elements, respectively, so that fluid resistance pieces can be moved forward and backward in the cross-sectional direction of the pipes by rotating the handle. A flow rate measuring probe 13a and a pressure transducer 12 for directly monitoring the pressure waveform of the saline solution 9 through the T-branch 14 are attached to the pipe 5 on the way to the artificial arm 20.
人工腕２０は、第２図に示すように、骨として
及び支持用としての棒状の剛体２１及び同様に骨
として及びボビンとしてこの棒を囲むほぼ楕円棒
状の剛体２２と、この棒の両側に位置すると共に
剛体２１に固定され、実際の腕の断面に相応した
形状の剛性、かつ透明の側板２３と、剛体２２を
包囲し、生体組織を模した弾性体２４と、この弾
性体に伸縮自在のシート２５ａで取付けられた血
管としてのゴム製弾性チユーブ２５と、弾性体２
４を包囲するように充填された透明液体である生
食水２６と、側板２３とで生食水２６を筒状に空
気を混入させることなくシール状態で被う皮膚を
模した可とう性のシート２７とから構成されてい
る。この人工腕は、剛体２１の導出部分で基台２
９に載置されている。 As shown in FIG. 2, the artificial arm 20 includes a rod-shaped rigid body 21 serving as a bone and for support, a roughly elliptical rod-shaped rigid body 22 surrounding the rod as a bone and a bobbin, and a rigid body 22 located on both sides of the rod. At the same time, a rigid and transparent side plate 23 is fixed to the rigid body 21 and has a shape corresponding to the cross section of an actual arm, an elastic body 24 that surrounds the rigid body 22 and imitates living tissue, and a flexible body that can be expanded and contracted. A rubber elastic tube 25 as a blood vessel attached with a sheet 25a and an elastic body 2
4 and a flexible sheet 27 imitating the skin that covers the saline 26 in a cylindrical shape with the side plate 23 in a sealed state without introducing air. It is composed of. This artificial arm consists of a base 2 at the derived part of the rigid body 21.
It is placed on 9.
血圧計の検査に際しては、生食水９の導電性を
利用するように電磁血流計をプローブ１３，１３
ａに交互にもしくは双方に取付けて、可変流体抵
抗１０，１１の調整により、人工腕２０の流体特
性の変動に対して十分な精度の脈波が安定して得
られるように、流量を例えば20：１の割合に設定
する。そして、弁１２ａによりプリセツトされた
圧力トランスデユーサ１２の検出波形をモニタし
ながら、電動ポンプ１の回転速度を調整しつつ圧
力レベルを調整し、かつ電磁弁３の調整により圧
力波形幅を調整し、さらにタンク４の液面の圧力
調整を行いながら立下がり波形を調整する。 When testing the blood pressure monitor, the electromagnetic blood flow meter is connected to the probes 13, 13 to utilize the conductivity of saline 9.
a, and by adjusting the variable fluid resistances 10 and 11, the flow rate can be adjusted to, for example, 20°C, so that a pulse wave with sufficient accuracy can be stably obtained against fluctuations in the fluid characteristics of the artificial arm 20. : Set to a ratio of 1. Then, while monitoring the detected waveform of the pressure transducer 12 preset by the valve 12a, the pressure level is adjusted while adjusting the rotational speed of the electric pump 1, and the pressure waveform width is adjusted by adjusting the solenoid valve 3. Furthermore, while adjusting the pressure of the liquid level in the tank 4, the falling waveform is adjusted.
次いで、このように調整された所定の最高及び
最低圧力値並びに圧力波形下で、実際の測定と同
様に人工腕２０に装着したカフにより圧力を加
え、これによる弾性チユーブ２５の変形により液
体２６を通して伝播してくるコロトコフ音を聴診
器で聞いてリバロツチ法による血圧計の評価・調
整・校正等の検査を行う。加圧によるチユーブ２
５の変形は、透明の側板２３及び生食水２６を通
して観察できる。 Next, under the predetermined maximum and minimum pressure values and pressure waveforms adjusted in this way, pressure is applied by the cuff attached to the artificial arm 20 in the same manner as in the actual measurement, and the resulting deformation of the elastic tube 25 causes the liquid 26 to pass through. We listen to the propagating Korotkoff sounds with a stethoscope and perform tests such as evaluation, adjustment, and calibration of the blood pressure monitor using the Rivalotchi method. Tube 2 by pressurization
The deformation of No. 5 can be observed through the transparent side plate 23 and saline 26.
さらに、前述のようにポンプ圧、オン周期、コ
ンプライアンス、流体抵抗等を循環器系の種々の
状態に対応させて設定することにより、種々の状
態を模した血流状態での血圧計の検査が可能にな
る。 Furthermore, as mentioned above, by setting the pump pressure, on-cycle, compliance, fluid resistance, etc. in accordance with various conditions of the circulatory system, it is possible to test the blood pressure monitor under blood flow conditions that simulate various conditions. It becomes possible.
以上説明した血流モデルは、人工腕２０におい
てオシロメトリツク法による血圧計の検査にも適
用できる。人工腕に内蔵の生食水の代りに、音響
伝播性を備え、カフ圧により伸縮することなく変
形するゲル状物質を用いることもできる。 The blood flow model described above can also be applied to a blood pressure monitor test using an oscillometric method in the artificial arm 20. Instead of the saline solution built into the artificial arm, a gel-like substance that has acoustic propagation properties and deforms without expanding or contracting due to cuff pressure can also be used.
以上、本発明によれば、腕を模した人工腕にお
いて実際の血流状態或は循環器系の種々の状態に
対応する血流状態を創出できる。しかも、血流状
態に再現性があるために非観血式圧計に対して製
造時及び製造後の高精度の評価・調整・校正等が
可能となり、また種々の側面からの性能検査も可
能となる。
As described above, according to the present invention, blood flow conditions corresponding to actual blood flow conditions or various conditions of the circulatory system can be created in an artificial arm imitating an arm. Moreover, since the blood flow condition is reproducible, it is possible to perform highly accurate evaluation, adjustment, and calibration of non-invasive pressure meters during and after manufacture, and it is also possible to perform performance inspections from various aspects. Become.
第１図は本発明の実施例による血圧計検査用血
流モデルの概略斜視図、第２図は同実施例の人工
腕の断面図、第３図は本発明の原理を説明する図
及び第４図は本発明の原理を説明するための血圧
波形を示す図である。
１……電動ポンプ、３……電動弁、４……コン
プライアンス調整用タンク、８……ドレイン用タ
ンク、９，２６……生食水、１０，１１……可変
流体抵抗、１２……圧力トランススジユーサ、２
０……人工腕、２１，２２……剛体、２４……弾
性体、２５……弾性チユーブ、２７……シート。
FIG. 1 is a schematic perspective view of a blood flow model for blood pressure monitor testing according to an embodiment of the present invention, FIG. 2 is a sectional view of an artificial arm of the same embodiment, and FIG. FIG. 4 is a diagram showing a blood pressure waveform for explaining the principle of the present invention. 1...Electric pump, 3...Electric valve, 4...Compliance adjustment tank, 8...Drain tank, 9, 26...Saline water, 10, 11...Variable fluid resistance, 12...Pressure transformer line Yusa, 2
0... Artificial arm, 21, 22... Rigid body, 24... Elastic body, 25... Elastic tube, 27... Sheet.
Claims (1)
の圧力を調整し得るポンプと、このポンプに後続
するパイプに設けられて圧送されてきた前記液体
の送出を実際の血液脈波の周期を模した周期でオ
ン・オフ制御する弁と、前記パイプに後続して前
記液体を貯え、かつその液面に対するエア圧調整
機構を備えたタンクと、このタンクに後続する人
工腕と、この人工腕に並列となつて同様に前記タ
ンクに後続して前記人工腕に比べて十分大きな流
量の前記液体を通流させる並列パイプと、この並
列パイプ及び前記人工腕から排水された前記液体
を前記ポンプに循環させ、かつ液面が大気に解放
された別のタンクと、前記人工腕及び前記並列パ
イプの流量をそれぞれ独立に調整する流量調整要
素とを備え、 前記人工腕は、骨格を模した棒状の剛体と、生
体組織を模して前記剛体を包囲する筒状の弾性体
と、この弾性体を包囲する液体又はゲル状体と、
皮膚を模して前記液体又はゲル状体を包囲するシ
ートと、前記血液を模した前記液体が通流するよ
うに前記弾性体に取付けられた弾性チユーブとか
ら構成されることを特徴とする血圧計検査用血流
モデル。[Scope of Claims] 1. A pump that can continuously pump a liquid imitating blood and adjust its pressure, and a pump that is installed in a pipe that follows this pump to actually pump out the liquid that has been pumped under pressure. A valve that is controlled on and off at a cycle that mimics the cycle of blood pulse waves, a tank that stores the liquid following the pipe and is equipped with an air pressure adjustment mechanism for the liquid level, and an artificial valve that follows the tank. an arm, a parallel pipe that is parallel to the artificial arm and that also follows the tank and allows the liquid to flow through the tank at a flow rate that is sufficiently larger than that of the artificial arm, and water is drained from the parallel pipe and the artificial arm. The artificial arm includes another tank that circulates the liquid through the pump and whose liquid level is open to the atmosphere, and a flow rate adjustment element that independently adjusts the flow rates of the artificial arm and the parallel pipe. a rod-shaped rigid body imitating a skeleton; a cylindrical elastic body imitating living tissue surrounding the rigid body; and a liquid or gel-like body surrounding the elastic body;
Blood pressure characterized by comprising a sheet simulating skin and surrounding the liquid or gel-like body, and an elastic tube attached to the elastic body so that the liquid simulating blood flows through it. Blood flow model for meter testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63031609A JPH01207035A (en) | 1988-02-13 | 1988-02-13 | Blood flow model for examination of hemomanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63031609A JPH01207035A (en) | 1988-02-13 | 1988-02-13 | Blood flow model for examination of hemomanometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01207035A JPH01207035A (en) | 1989-08-21 |
| JPH0431256B2 true JPH0431256B2 (en) | 1992-05-26 |
Family
ID=12335944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63031609A Granted JPH01207035A (en) | 1988-02-13 | 1988-02-13 | Blood flow model for examination of hemomanometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01207035A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0763451B2 (en) * | 1990-10-22 | 1995-07-12 | テルモ株式会社 | Electronic blood pressure monitor |
| DK167719B1 (en) * | 1991-02-13 | 1993-12-06 | Ambu Int As | EXERCISE APPARATUS FOR EXERCISE OF BLOOD CUTS |
| US6953435B2 (en) | 2001-12-10 | 2005-10-11 | Kabushiki Gaisha K -And- S | Biological data observation apparatus |
| JP3706841B2 (en) * | 2002-04-16 | 2005-10-19 | 株式会社ケーアンドエス | Biological data measuring device |
| JP3706853B2 (en) * | 2002-10-30 | 2005-10-19 | 株式会社ケーアンドエス | Biological data observation device |
| JP2009122130A (en) * | 2006-03-03 | 2009-06-04 | Univ Waseda | System for evaluating coronary artery bypass operation training |
| JP5256551B2 (en) * | 2010-07-02 | 2013-08-07 | 独立行政法人国立循環器病研究センター | Cardiac function simulator |
| CN105427699A (en) * | 2015-12-16 | 2016-03-23 | 上海大学 | Multipath human pulse simulation device |
-
1988
- 1988-02-13 JP JP63031609A patent/JPH01207035A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01207035A (en) | 1989-08-21 |
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