JPH01112843U - - Google Patents
Info
- Publication number
- JPH01112843U JPH01112843U JP877788U JP877788U JPH01112843U JP H01112843 U JPH01112843 U JP H01112843U JP 877788 U JP877788 U JP 877788U JP 877788 U JP877788 U JP 877788U JP H01112843 U JPH01112843 U JP H01112843U
- Authority
- JP
- Japan
- Prior art keywords
- blood
- pressure
- circuit
- signal
- oxygenator
- 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
- 239000008280 blood Substances 0.000 claims description 14
- 210000004369 blood Anatomy 0.000 claims description 14
- 230000004087 circulation Effects 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 230000017531 blood circulation Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 230000000241 respiratory effect Effects 0.000 claims 1
- 210000004072 lung Anatomy 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Description
第１図及び第２図は本考案装置のフロー図であ
り、第３図ａ，ｂは本考案装置を取り付ける取付
台の正面図と側面図であり、第４図は流量制御回
路の制御を示すフローチヤートである。
Ｈ１……採血部、Ｈ２……返血部、１……血液
体外循環回路、２……人工肺、３……血液ポンプ
、４……圧力検知器、１１……圧力設定回路、１
２……比較回路、１３……流量制御回路、１４…
…流量設定回路。
Figures 1 and 2 are flowcharts of the device of the present invention, Figures 3a and b are front and side views of the mounting base on which the device of the present invention is attached, and Figure 4 shows the control of the flow rate control circuit. This is a flowchart. H1 ... Blood collection section, H2 ... Blood return section, 1... Blood extracorporeal circulation circuit, 2... Artificial lung, 3... Blood pump, 4... Pressure detector, 11... Pressure setting circuit, 1
2... Comparison circuit, 13... Flow rate control circuit, 14...
...Flow rate setting circuit.
Claims (1)
た後、該酸素加された血液を返血部から人体に戻
す血液体外循環回路と、上記血液体外循環回路に
設けられて、血液を人工肺に送る血液ポンプと、 上記人工肺の出口側の圧力を検知する圧力検知
器と、 上記人工肺の出口側の圧力の上限値と下限値を
設定する圧力設定回路と、 上記圧力検知器からの圧力検知信号を受けて、
人工肺の出口側の圧力が上記圧力設定回路で設定
された上限値を越えたときに第１の信号を発信し
、下限値を越えたときに第２の信号を発信する比
較回路と、 上記血液ポンプの流量の上限値を設定する流量
設定回路と、 上記比較回路からの第１の信号を受けて、人工
肺の出口側の圧力が上限値を下まわるまで血液ポ
ンプの流量を低下させる流量制御回路と、 上記比較回路からの第２の信号を受けて、血液
ポンプの駆動を停止させるポンプ駆動停止手段と
、 上記比較回路からの第１の信号および第２の信
号を受けて警報を発生する警報回路、 とを備えたことを特徴とする呼吸補助装置。[Scope of Claim for Utility Model Registration] An extracorporeal blood circulation circuit that introduces blood from a blood collection section into an oxygenator, adds oxygen, and then returns the oxygenated blood to the human body from a blood return section, and the above blood extracorporeal circulation circuit. a blood pump for feeding blood to the oxygenator, a pressure detector for detecting the pressure on the outlet side of the oxygenator, and a pressure setting for setting the upper and lower limits of the pressure on the outlet side of the oxygenator. After receiving the pressure detection signal from the circuit and the pressure detector above,
a comparison circuit that transmits a first signal when the pressure on the outlet side of the oxygenator exceeds the upper limit set by the pressure setting circuit, and transmits a second signal when the pressure exceeds the lower limit; a flow rate setting circuit that sets the upper limit of the flow rate of the blood pump; and a flow rate that reduces the flow rate of the blood pump until the pressure on the outlet side of the oxygenator drops below the upper limit in response to the first signal from the comparison circuit. a control circuit; a pump drive stop means for receiving a second signal from the comparison circuit to stop driving the blood pump; and generating an alarm in response to the first signal and the second signal from the comparison circuit. A respiratory assistance device characterized by comprising: an alarm circuit for activating an alarm;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP877788U JPH01112843U (en) | 1988-01-25 | 1988-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP877788U JPH01112843U (en) | 1988-01-25 | 1988-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01112843U true JPH01112843U (en) | 1989-07-28 |
Family
ID=31214954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP877788U Pending JPH01112843U (en) | 1988-01-25 | 1988-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01112843U (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5072494A (en) * | 1973-09-07 | 1975-06-16 | ||
| JPS5243396B1 (en) * | 1971-02-03 | 1977-10-29 | ||
| JPS5349895A (en) * | 1976-10-18 | 1978-05-06 | Baxter Travenol Lab | Dialyzer blood pressure warning system |
| JPS5353198A (en) * | 1976-10-18 | 1978-05-15 | Baxter Travenol Lab | Improved numerical memory for dialyzer |
| JPS5739852A (en) * | 1980-08-22 | 1982-03-05 | Tsunekazu Hino | Blood recirculating apparatus |
| JPS58143763A (en) * | 1982-02-19 | 1983-08-26 | 日野 恒和 | External recirculation apparatus of blood |
| JPS6092769A (en) * | 1983-10-27 | 1985-05-24 | 株式会社メデクス | Apparatus for treating blood in outside of living body |
-
1988
- 1988-01-25 JP JP877788U patent/JPH01112843U/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5243396B1 (en) * | 1971-02-03 | 1977-10-29 | ||
| JPS5072494A (en) * | 1973-09-07 | 1975-06-16 | ||
| JPS5349895A (en) * | 1976-10-18 | 1978-05-06 | Baxter Travenol Lab | Dialyzer blood pressure warning system |
| JPS5353198A (en) * | 1976-10-18 | 1978-05-15 | Baxter Travenol Lab | Improved numerical memory for dialyzer |
| JPS5739852A (en) * | 1980-08-22 | 1982-03-05 | Tsunekazu Hino | Blood recirculating apparatus |
| JPS58143763A (en) * | 1982-02-19 | 1983-08-26 | 日野 恒和 | External recirculation apparatus of blood |
| JPS6092769A (en) * | 1983-10-27 | 1985-05-24 | 株式会社メデクス | Apparatus for treating blood in outside of living body |
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