JPH0333609U - - Google Patents
Info
- Publication number
- JPH0333609U JPH0333609U JP9381889U JP9381889U JPH0333609U JP H0333609 U JPH0333609 U JP H0333609U JP 9381889 U JP9381889 U JP 9381889U JP 9381889 U JP9381889 U JP 9381889U JP H0333609 U JPH0333609 U JP H0333609U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- vacuum pump
- control signal
- patient
- mouth
- 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
- 238000010586 diagram Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
第１図は本考案の一実施例による陰圧吸引装置
の概略図、第２図は、帰還圧力を電気的に選択す
る場合の制御装置の一実施例のブロツク図、第３
図はスプリングとゴムを用いたタンクの一実施例
の断面図である。
１……真空ポンプ、２……タンク、３……電子
制御回路、４……帰還圧力選択弁、５……吸引用
ホース、６……圧力帰還用ホース、７……主切替
弁、８……流量センサー、９……圧力センサー、
１０……アナログスイツチ、１１……前置増幅器
、１２……誤差増幅器、１３……電力制御回路、
１４……圧力設定ボリユーム、１５……主切替弁
接続口、１６……ポンプ接続口、１７……ゴムベ
ローズ、１８……スプリング、１９……アクリル
板。
FIG. 1 is a schematic diagram of a negative pressure suction device according to an embodiment of the present invention, FIG. 2 is a block diagram of an embodiment of a control device when the return pressure is electrically selected, and FIG.
The figure is a sectional view of an embodiment of a tank using a spring and rubber. DESCRIPTION OF SYMBOLS 1... Vacuum pump, 2... Tank, 3... Electronic control circuit, 4... Return pressure selection valve, 5... Suction hose, 6... Pressure return hose, 7... Main switching valve, 8... ...Flow rate sensor, 9...Pressure sensor,
10...analog switch, 11...preamplifier, 12...error amplifier, 13...power control circuit,
14...Pressure setting volume, 15...Main switching valve connection port, 16...Pump connection port, 17...Rubber bellows, 18...Spring, 19...Acrylic plate.
Claims (1)
御して吸引力を変化できる真空ポンプと、前記ポ
ンプに接続された弾力性に富んだタンクと、目標
とする陰圧と発生した陰圧の偏差により前記真空
ポンプの制御信号を発生する手段を備え、患者の
口元での陰圧信号を帰還し、患者口元の陰圧を一
定に制御できるようにした陰圧吸引装置。 A vacuum pump that can change the suction force by controlling the supplied power by applying a control signal voltage, a highly elastic tank connected to the pump, and a vacuum pump that can change the suction force by controlling the supply power by applying a control signal voltage, A negative pressure suction device is equipped with a means for generating a control signal for a vacuum pump, and returns a negative pressure signal at the patient's mouth so that the negative pressure at the patient's mouth can be controlled at a constant level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9381889U JPH0333609U (en) | 1989-08-10 | 1989-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9381889U JPH0333609U (en) | 1989-08-10 | 1989-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0333609U true JPH0333609U (en) | 1991-04-03 |
Family
ID=31643181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9381889U Pending JPH0333609U (en) | 1989-08-10 | 1989-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101487144B1 (en) * | 2011-06-07 | 2015-01-28 | 마리 케이 인코포레이티드 | Apparatus and methods for providing samples external to the packaging of a product |
-
1989
- 1989-08-10 JP JP9381889U patent/JPH0333609U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101487144B1 (en) * | 2011-06-07 | 2015-01-28 | 마리 케이 인코포레이티드 | Apparatus and methods for providing samples external to the packaging of a product |
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