CN2143492Y - Therapeutic machine for left heart load - Google Patents
Therapeutic machine for left heart load Download PDFInfo
- Publication number
- CN2143492Y CN2143492Y CN 92245843 CN92245843U CN2143492Y CN 2143492 Y CN2143492 Y CN 2143492Y CN 92245843 CN92245843 CN 92245843 CN 92245843 U CN92245843 U CN 92245843U CN 2143492 Y CN2143492 Y CN 2143492Y
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- CN
- China
- Prior art keywords
- air
- airbag
- pneumatic supply
- valve body
- control valve
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Abstract
The utility model relates to a therapeutic machine for the heart load, using the method of oppressing the vein and reducing the blood refluence. The utility model comprises an air pressure source, air bags used for oppressing the vein of the limbs, a pressure indicating meter, a controlling valve connected between the air pressure source and the four air bags, a discontinuous drive device which can change the controlling state of the controlling valve and which alternatively carries out the air inflation and the air deflation of the air bags, and a controller controlled the automatic switching of the work states of start and stop of the air pressure source. The utility model is characterized in that the automatic control to the air inflation and the air deflation which are alternatively circulated is realized in the whole treatment process. The therapeutic machine for the left heart load has the advantages of simple operation and convenient use, reduces the burden of the nursing staffs, and improves the work efficiency.
Description
This utility model relates to a kind of medical apparatus and instruments, especially for the cardiac load therapy equipment of compressing vein, minimizing venous backflow.
Utilize the method for compressing vein, minimizing venous backflow to treat acute left heart failure, pulmonary edema, normally use four sphygomanometers, with its sleeve bag binding extremity, and then to wherein three sleeve bags inflation, and monitor with sphygomanometer, make it have certain the blowing pressure, after, once alternately charge and discharge gas every a few minutes, be about to the inflation of depletion of QI sleeve bag, a venting in the gas sleeve bag is arranged, form cycle alternation compressing extremity.Generally need 30～60 minutes this course of treatment, though this therapeutic effect is relatively good, need establishes the special messenger gas that charges and discharge of sleeve bag is controlled, air-charging and air-discharging system is separate, must carry out in turn during operation, simultaneously also will be at any time in each sleeve bag make-up gas, so that it keeps certain pressure, thereby whole therapeutic process is at full stretch acts hurriedly in a messy situation, and has increased medical personnel's workload and psychentonia degree, simultaneously, Artificial Control pressure is not accurate enough, the time low when high, influence therapeutic effect.
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of utilization compressing vein to treat, and whole therapeutic process is realized the left side cardiac load therapy apparatus of control automatically.
Left side cardiac load therapy apparatus, comprise pneumatic supply, coupled compressing extremity venous airbag and the pressure indicator of being common to, in order to reach purpose of the present invention, being provided with one between above-mentioned pneumatic supply and airbag can be communicated with three airbags simultaneously with pneumatic supply, another airbag is communicated with steam vent, makes three airbags be in the control valve that inflated condition, an airbag are in exhaust condition.On control valve, be connected with the batch (-type) driving device that can change its controlled state, the alternate cycles of filling, exit is carried out.The conversion of the startup of pneumatic supply and the state that quits work is to realize control automatically by controller.
Described controller is a photoelectric conversion controller, and it is made of optical transmitting set, optical receiver and on-off circuit.
Described control valve is by valve body and changes core and constitute, valve body be provided with 90 ° of central angles of four each intervals, its inner orifice be positioned on the same cross section radially air-filled pore and with corresponding one by one four steam vents that are arranged side by side of these four air-filled pores.Being positioned at the commentaries on classics core that a valve body and an end link to each other with the batch (-type) driving device is the cylinder of an end band cavity, on the chamber wall relative, be provided with three branch pores with three air-filled pores, the commentaries on classics outer core relative with another air-filled pore is provided with the groove that can link up air-filled pore and steam vent, forms the exhaust passage.The cavity of sealing is connected with pneumatic supply by air inlet pipe.
Described batch (-type) driving device is made of motor, decelerator and timing controller.It will drive by certain time interval changes the core half-twist.
Changeing outer core along being circumferentially with annular groove, the spacer pin that passes on the valve body will insert in the groove.
Described pneumatic supply is to be made of air pump, motor, decelerator, and the motor of being controlled by controller will drive air pump work.
This utility model compared with prior art has following characteristics:
1. the alternate cycles in the whole therapeutic process is filled, aerofluxus realizes control automatically, thereby need not establish special messenger's operation, has alleviated medical personnel's burden, has improved work efficiency.
2. simple to operate, easy to use, dependable performance, automaticity height.
3. can keep each bag constant pressure, improve therapeutic effect.
Fig. 1 is a connection diagram of the present utility model.
Fig. 2 is this utility model body structure sketch map.
Fig. 3 is a control valve structural representation of the present utility model.
Fig. 4 is the circuit theory diagrams of this utility model electric controller.
Be described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, this utility model mainly is by pneumatic supply, control valve, airbag, driving mechanism, and pressure indicator and electric controller are formed.Pneumatic supply is to be made of motor 1, decelerator 2 and air pump 3.Air pump is connected with the air inlet pipe and the pressure indicator 5 of control valve 4 respectively by flexible pipe, and the air inlet pipe of control valve also is connected with hand air pump 6, the pump work but auxiliary electrical is taken offence.Four air-filled pores of control valve are connected with four airbags 7 by flexible pipe respectively.The commentaries on classics core 8 of control valve is driven by the batch (-type) driving device that motor 9, decelerator 10 and mechanical timer 11 constitute.Electric controller is used to control air pump motor, it is in starts the operation or the state that quits work.Above-mentioned pneumatic supply, electric controller, control valve and batch (-type) driving device all are arranged in the casing shown in Figure 2 12, and the casing front panel is provided with on and off switch K
1, batch (-type) driving device controls K switch
2And power supply indicator D
7, change core position indicator pointer 14.
As shown in Figure 3, control valve is to be made of valve body 15, valve gap 16 and commentaries on classics core 8.Valve body is a hollow cylinder, and 90 ° of four spaces and the radially air-filled pore 13 on same cross section are set on it, is provided with the joint 17 that is threaded with it on air-filled pore.They are connected with airbag by flexible pipe respectively.On valve body, also be provided with 90 ° of four spaces, and with the corresponding one by one steam vent that is arranged side by side 18 of air-filled pore.
Changeing core is the cylinder of an end band cavity, and its cavity end inserts in valve body, with the valve gap of the valve end formation seal cavity that matches.Valve gap and valve body are connected and fixed with screw 19, are provided with sealing ring 20 between the two, cover and also are provided with air inlet pipe 21, and the one end is connected with air pump by flexible pipe, and the other end then inserts in the cavity body of changeing core.The air inlet pipe exit is provided with vertically the pore 22 with radial equipartition, so that gas enters in the cavity equably.With valve body on be provided with on three relative commentaries on classics core walls in four air-filled pores and change the branch pore 23 that the in-core chamber communicates; The commentaries on classics outer core relative with another air-filled pore is provided with vertically can be with the groove 24 of steam vent and air-filled pore communication.Be positioned on the commentaries on classics outer core of valve body also along being circumferentially with groove 25, the spacer pin that passes valve body is to be made of screw 26, spring 27 and steel ball 28, and steel ball then is arranged in groove, adopts this structure, make spacer pin can play position-limiting action, not influencing again changes the core rotation.Be positioned at the outer commentaries on classics core end of valve body and be provided with pointer 14, being used to indicate changes the position that core divides pore, and this end also is connected with the toothed disc 29 of mechanical timer simultaneously.
See Fig. 4, electric controller is to be made of optical transmitting set, optical receiver and on-off circuit, regulated power supply.Optical transmitting set is infraluminescence pipe D
6, optical receiver is photosensitive receiving tube D
7, the on-off circuit that links to each other with photosensitive tube is by integrated switching circuit IC
1, DC relay J and be connected air pump motor D
2And the relay contact J between the power supply
1Constitute.Diode D
5Shield D
8Be the work indication.Regulated power supply is to be made of rectification circuit, filter circuit of pressure-stabilizing and transformator BK.Infraluminescence pipe and photosensitive receiving tube are fixed on the position of the required pressure scale of pressure indicator both sides.K
1Be on and off switch, K
2Be batch (-type) driving device motor D
1Gauge tap.
During treatment, at first with between air pump and control valve, the pressure indicator and the pipeline between control valve and the airbag connect, and four airbags are bundled in patient's extremity respectively, press K switch then
1Connect the electric controller power supply, electric controller work, its infraluminescence pipe is luminous.At this moment, air pump is not worked, and can not form gas pressure, and pressure indicator hydrargyrum mercury column does not rise.Photosensitive tube receives the optical signal conducting that the infraluminescence pipe sends, ic chip
12,6 feet be electronegative potential, it is electric that relay is got, its normally opened contact J
1Air pump motor is connected in adhesive, the work of driven by motor air pump, and gas enters control valve to be changeed in the core cavity, and enters respectively in the corresponding airbag through three branch pores and its pairing three air-filled pores.When the body of inflating reaches required pressure in the airbag, the mercury column of pressure indicator rises to corresponding scale thereupon, and will block the light that the infraluminescence pipe sends, make photosensitive receiving tube not be high internal resistance because of receiving optical signal, thereby relay is discharged, and normally opened contact disconnects, and air pump motor quits work, meanwhile, connect the gauge tap K of batch (-type) driving device
2Motor and decelerator drive the mechanical timer that is made of the driving gear set work that picks up counting, when reaching official hour, travelling gear will drive control valve changes the core half-twist, a branch pore that changes on the core is communicated with the air-filled pore at depletion of QI airbag place, groove on the commentaries on classics core then has the air-filled pore at gas airbag place to connect with a corresponding steam vent with one, and the gas in this airbag is emitted.At this moment, gas pressure descends, and the pressure indicator mercury column descends, and photosensitive tube receives optical signal again, and electric controller is connected air pump motor once more, makes each airbag reach the pressure of regulation.After this fill, exit interval cycle alternation is in accordance with regulations carried out, finish until treatment.
When airbag during because of the leakage insufficient pressure, electric controller also will be connected air pump work and inflate, to keep the constant pressure of each airbag.
Claims (5)
1, a kind of left side cardiac load therapy apparatus, comprise pneumatic supply, coupled compressing extremity venous airbag and the pressure indicator of being common to, it is characterized in that being provided with between pneumatic supply and airbag one can be communicated with three airbags simultaneously with pneumatic supply, another airbag is communicated with steam vent, make three airbags be in inflated condition, an airbag is in exhaust condition, and make and fill, the control valve that the venting alternate cycles is carried out, on control valve, be connected with and change its controlled state, make and fill, the batch (-type) driving device that the venting alternate cycles is carried out, the conversion of the startup of pneumatic supply and the state that quits work are to realize control automatically by controller.
2, left side according to claim 1 cardiac load therapy apparatus is characterized in that described controller is a photoelectric conversion controller, and it is made of optical transmitting set, optical receiver and on-off circuit.
3, left side according to claim 1 cardiac load therapy apparatus, it is characterized in that described control valve is to be made of valve body and commentaries on classics core, valve body is provided with 90 ° of central angles of four each intervals, its inner orifice be positioned on the same cross section air-filled pore and with corresponding one by one four steam vents that are arranged side by side of these four air-filled pores, being positioned at the commentaries on classics core that a valve body and an end link to each other with the batch (-type) driving device is the cylinder of an end band cavity, on the chamber wall relative, be provided with three branch pores with three air-filled pores, the commentaries on classics outer core relative with another air-filled pore is provided with the groove that can link up air-filled pore and steam vent, form the exhaust passage, the cavity of sealing is connected with pneumatic supply by air inlet pipe.
4, according to claim 1,3 described left side cardiac load therapy apparatuss, it is characterized in that described batch (-type) driving device is made of motor, decelerator and timing controller.
5, left side according to claim 3 cardiac load therapy apparatus is characterized in that changeing outer core along being circumferentially with annular groove, and the spacer pin that passes on the valve body will insert in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92245843 CN2143492Y (en) | 1992-12-31 | 1992-12-31 | Therapeutic machine for left heart load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92245843 CN2143492Y (en) | 1992-12-31 | 1992-12-31 | Therapeutic machine for left heart load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2143492Y true CN2143492Y (en) | 1993-10-13 |
Family
ID=33784665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92245843 Expired - Fee Related CN2143492Y (en) | 1992-12-31 | 1992-12-31 | Therapeutic machine for left heart load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2143492Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783774A (en) * | 2015-03-19 | 2015-07-22 | 魏莹 | Device for measuring load borne by heart of patient suffering from spinal disease during operation |
-
1992
- 1992-12-31 CN CN 92245843 patent/CN2143492Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783774A (en) * | 2015-03-19 | 2015-07-22 | 魏莹 | Device for measuring load borne by heart of patient suffering from spinal disease during operation |
| CN104783774B (en) * | 2015-03-19 | 2017-05-31 | 魏莹 | Rachiopathy corrective surgery heart bearing load determines device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |