CN201260770Y - Closed cardiac massager - Google Patents
Closed cardiac massager Download PDFInfo
- Publication number
- CN201260770Y CN201260770Y CNU2008200878872U CN200820087887U CN201260770Y CN 201260770 Y CN201260770 Y CN 201260770Y CN U2008200878872 U CNU2008200878872 U CN U2008200878872U CN 200820087887 U CN200820087887 U CN 200820087887U CN 201260770 Y CN201260770 Y CN 201260770Y
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- pressing lever
- coil
- pressing
- massage
- outer chest
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Abstract
The utility model relates to a closed cardiac massager which comprises a bracket (1), a massage rod (5) and a massage head (8), wherein the massage rod is connected with armature iron (51) of an electromagnet, the armature iron is arranged above the iron core (9) of the electromagnet, a sucking surface is perpendicular to the massage rod, the lower end of the massage rod is connected with the massage head, a restoring spring (6) which can lift the massage rod by elasticity is arranged between the massage rod and the shell (2), an electromagnet coil is electrically connected with a control circuit, and an impulse current generating circuit, an impulse frequency regulating circuit and a magnetic-field intensity regulating circuit which can lead the coil to generate magnetic impulse are arranged in the control circuit. When impulse current passes through the electromagnet coil, the massage rod which is connected with the armature iron can generate up-and-down reciprocating motion which is consistent with the impulse of the impulse current to realize chest artificial massage first-aid effect. Compared with the prior art, the utility model can supply more accurate massage force and massage frequency and is more beneficial for treating sudden cardiac arrest patients.
Description
Technical field the utility model relates to a kind of outer chest heart pressing device, is applicable to the heart stopping collecting person is implemented first aid, belongs to technical field of medical instruments.
Background technology is along with the development of economic society, human habitat and clothing, food, live, very big variation taken place in row, clinical sudden cardiac arrest patient increases year by year.Traditional rescue sudden cardiac arrest patient is that 1/3rd intersections carried out first aid under the artificial both hands of employing were pushed in the breastbone.This pushing is to need the lasting pressing force certain pressing force, certain frequency that imposes, and this persistent period may reach tens hours.Well imagine that this pressing operation causes easily that all rescue measures proved ineffectual or problem such as complication takes place for manually being to be difficult to lastingly.Also there is shortcomings such as pushing the position is inaccurate, effort, undue force, compression frequency shakiness in this in addition manually pushing.
Also the someone has designed a kind of automatic outer chest heart pressing device, introduce as Chinese utility model patent 03271028.3: " a kind of automatic outer chest heart pressing device; by support, pressing plate, pressing lever, constitute by pressing spring; ... push piston on the upper end of pressing lever is fixedly connected; push piston and be contained in bottom in the piston cylinder; establish power piston at the piston cylinder internal upper part; is the air seal chamber at power piston with the piston cylinder intracavity of pushing between the piston, power piston is connected with the bent axle of motor by putting handle." be with motor as power, drive active piston by crank mechanism and move up and down, and the motion of pushing downwards or upwards lifting through relay piston transmission pressing plate again with air pressure, with the first aid of realization closed cardiac massage.This patent can utilize the size of regulating air pressure between the two-piston to control the size of pressing force in theory, but in fact because the whole driving mechanism of this patent exists under the cam-actuated pressing lever unhappy towards speed, the inaccurate problem of air chamber transmission is so still exist problems such as pressing force is improper, compression frequency shakiness.The outer chest heart pressing device that also is above-mentioned prior art can not be implemented first aid to the sudden cardiac arrest patient effectively.
Summary of the invention is at above-mentioned deficiency, and this utility model will provide exactly that a kind of pressing force is even, compression frequency stable, and outer chest heart pressing device that can push continuously automatically, simple in structure.
Outer chest heart pressing device of the present utility model, support, pressing lever and press head are arranged, said pressing lever is connected with an electromagnet armature, armature above the iron core of electric magnet and adhesive face be vertical with pressing lever, the pressing lever lower end connects press head, the back-moving spring that elastic force is mentioned pressing lever is installed between pressing lever and the housing, an electromagnet coil and a control circuit are electrically connected, and the pulse current generating circuit, pulse frequency regulating circuit and the magnetic field intensity regulating circuit that make coil produce magnetic field impulse are arranged in the control circuit.
As everyone knows, iron core and armature are subjected to the action of a magnetic field and adhesive when electromagnet coil power, and this suction-combining force disappears during the coil power down, if any back-moving spring then armature reset.So when the electric current that is passed through in the electromagnet coil is a pulse current, the pressing lever that connects with armature will produce and consistent the pumping of the pulse of pulse current, promptly produce the continual reciprocating motion of dashing down, replying, dashing down, the press head that is fixed on the pressing lever is also done motion up and down thus, manually pushes the effect of first aid outward to realize breast.The pickup time of electric magnet is extremely short simultaneously, can provide faster down towards speed, and regulate current impulse amplitude or the equal adjustable magnetic fields intensity of the regulating winding number of turn, and can regulate compression frequency by regulating current pulse frequency, regulate magnetic field intensity and regulate the dynamics of pushing.Be that this utility model can provide than prior art and pushes dynamics and compression frequency more accurately, more help giving treatment to the sudden cardiac arrest patient.
Outer chest heart pressing device of the present utility model, said electric magnet are iron core with the shell, and coil is installed in the enclosure, and shell is installed on the support, so that simple in structure.
The scope that the described pulse frequency regulating and controlling of outer chest heart pressing device of the present utility model device is regulated is 60-120 hertz (Hz).
The described magnetic field intensity regulating circuit of outer chest heart pressing device of the present utility model is the control coil energising number of turn, when the hot-wire coil number of turn after a little while, the magnetic force that produces in the housing reduces; Otherwise, then increase.Also can be size of current in the control coil, when selecting big electric current, magnetic force increases, otherwise then little.The pressing force magnitude range that generally requires controller to regulate is 200-300 newton.
The described back-moving spring of outer chest heart pressing device of the present utility model has the device of regulating its original compression length, as adopt helical spring, one end withstands on the latch plate that is fixed in pressing lever (or on the pressing lever convex shoulder) and goes up the other end and withstand on the housing bottom end cover, and spring makes pressing lever be subjected to a power that makes progress.Bottom end cover is threaded with housing, and the turnover of its relative housing lower end of scalable promptly and the relative distance between the latch plate.The turnover of bottom end cover is regulated two effects: bottom end cover enters the many words of housing, pressing lever convex shoulder to the distance of bottom end cover upper surface is just dwindled, the decrement of spring also increases, the spring resistance that one of effect is subjected to when being the downward punching press of pressing lever increases, can reduce pressing force, two of effect is that the distance that moves up and down of pressing lever reduces, and promptly the stroke of pressing lever shortens.To withdraw from housing many when bottom end cover, and the pressing lever convex shoulder just increases to the distance of bottom end cover upper surface, and the spacing of both ends of the spring also increases, and the stroke of pressing lever just increases, and the impulse force of pressing lever also just increases.The adjustable range of described bottom end cover advance and retreat housing is 0-20 millimeters.
Described armature of outer chest heart pressing device of the present utility model or back-moving spring are installed on the pressing lever through adjustable structure, make armature when the home position and the distance between the iron core adhesive face adjustable and regulate the press head stroke.
Outer chest heart pressing device of the present utility model, said pressing lever partly are the insulation bar beyond housing at least, and preferably the whole piece pressing lever is the insulation bar, and work of electromagnet efficient is improved.
The described press head of outer chest heart pressing device of the present utility model adopts rubber system, to accomplish Electromgnetic seat and the soft unlikely patient of the causing damage that is squeezed.
Appended drawings is the axial cutaway view of this utility model one embodiment, among the figure: 1-support, 2-housing, 3-upper end cover, 4-coil, 5-pressing lever, 51-armature, 52-latch plate, 6-spring, 7-bottom end cover, 8-press head, 9-iron core.
The specific embodiment 1, as shown in drawings, outer chest heart pressing device of the present utility model is made of support 1, housing 2, upper end cover 3, coil 4, pressing lever 5, armature 51, latch plate 52, spring 6, bottom end cover 7, press head 8, iron core 9 and control box.Support 1 is connected with housing 2 bolting, the electric magnet that constitutes with iron core 9 and coil 4 is installed in the middle part of housing 2, and the iron core upper surface is an adhesive face, and it is pressing lever 5 that a resin bar is worn at its center, fixing a disc iron plate on the pressing lever is armature 51, and armature is above iron core.Upper end cover 3 is fixedlyed connected with housing 2, and armature is hidden in the housing.Through the stigma screw one latch plate 52 is installed with upper/lower positions at iron core on the pressing lever, is with a helical spring 6 between latch plate and the housing bottom end cover 7.Bottom end cover can rotate relative to housing by screw thread.The lower end of pressing lever and press head 8 are connected with hinge.Pressing lever and upper end cover, bottom end cover 7 and electric magnet are all made matched in clearance.Coil has a plurality of taps and draws in the change-over switch in the Access Control box with lead.Also have circuit board in the control box, pulse current generating circuit and pulse frequency control circuit are installed on the circuit board.
This device refrequency control range is 60-120 hertz, and the pressing force scope is 200-300 newton, and the stroke of pressing lever is 30-50 millimeters.
During use, the regulating spring plate is determined stroke and regulates support to make nearly pressure head be attached to position, patient ambition, and the good coil turn of re-adjustment, pulse frequency and bottom end cover start power supply then to the original compression degree of spring, implement closed cardiac massage and push first aid automatically.
2, the same example of basic structure, wherein iron core and housing unite two into one, and make saving cost simple in structure.The intensity of flow regulating circuit is arranged simultaneously to simplify circuit structure in the regulating circuit.To be threaded, to make and regulate the required torque of coercing and reduce convenient adjusting between the part that offsets with spring in the middle of only on the bottom end cover and the bottom end cover.
Claims (9)
1, a kind of outer chest heart pressing device, support, pressing lever and press head are arranged, it is characterized in that said pressing lever is connected with an electromagnet armature, armature above the iron core of electric magnet and adhesive face be vertical with pressing lever, the pressing lever lower end connects press head, the back-moving spring that elastic force is mentioned pressing lever is installed between pressing lever and the housing, an electromagnet coil and a control circuit are electrically connected, and the pulse current generating circuit, pulse frequency regulating circuit and the magnetic field intensity regulating circuit that make coil produce magnetic field impulse are arranged in the control circuit.
2, outer chest heart pressing device as claimed in claim 1 is characterized in that said electric magnet is iron core with the shell.
3, outer chest heart pressing device as claimed in claim 1 is characterized in that said magnetic field intensity regulating circuit is the control coil energising number of turn, and promptly the magnetic field intensity regulating circuit comprises tap on the coil and the switch that switches between tap and power supply.
4, outer chest heart pressing device as claimed in claim 1 is characterized in that said magnetic field intensity regulating circuit is a size of current in the control coil, and promptly the magnetic field intensity regulating circuit comprises the potentiometer that is installed between power supply and the coil.
5, outer chest heart pressing device as claimed in claim 1 is characterized in that said back-moving spring is connected with the device of regulating its original compression length.
6,, it is characterized in that said armature or back-moving spring are installed on the pressing lever through adjustable structure as claim 1 or 5 described outer chest heart pressing devices.
7, outer chest heart pressing device as claimed in claim 1 is characterized in that said pressing lever partly is the insulation bar at least beyond housing.
8, outer chest heart pressing device as claimed in claim 7 is characterized in that said pressing lever whole piece pressing lever is the insulation bar.
9, outer chest heart pressing device as claimed in claim 1 is characterized in that said press head is the rubber flat plate member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200878872U CN201260770Y (en) | 2008-05-29 | 2008-05-29 | Closed cardiac massager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200878872U CN201260770Y (en) | 2008-05-29 | 2008-05-29 | Closed cardiac massager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201260770Y true CN201260770Y (en) | 2009-06-24 |
Family
ID=40807235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200878872U Expired - Fee Related CN201260770Y (en) | 2008-05-29 | 2008-05-29 | Closed cardiac massager |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201260770Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090973B (en) * | 2009-12-11 | 2014-11-19 | 私立中原大学 | Heart massaging device |
| CN105726289A (en) * | 2016-01-19 | 2016-07-06 | 戴慧芳 | Intelligent cardio-pulmonary resuscitator system |
| CN106074133A (en) * | 2016-06-23 | 2016-11-09 | 深圳市安保科技有限公司 | A kind of device for resuscitating heart and pulmones |
| CN106344383A (en) * | 2016-10-31 | 2017-01-25 | 北京德美瑞医疗设备有限公司 | Magnetic type cardiopulmonary resuscitation instrument |
-
2008
- 2008-05-29 CN CNU2008200878872U patent/CN201260770Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090973B (en) * | 2009-12-11 | 2014-11-19 | 私立中原大学 | Heart massaging device |
| CN105726289A (en) * | 2016-01-19 | 2016-07-06 | 戴慧芳 | Intelligent cardio-pulmonary resuscitator system |
| CN106074133A (en) * | 2016-06-23 | 2016-11-09 | 深圳市安保科技有限公司 | A kind of device for resuscitating heart and pulmones |
| CN106344383A (en) * | 2016-10-31 | 2017-01-25 | 北京德美瑞医疗设备有限公司 | Magnetic type cardiopulmonary resuscitation instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20160529 |