CN101889944B

CN101889944B - Flexible cardiopulmonary resuscitator

Info

Publication number: CN101889944B
Application number: CN2010102293047A
Authority: CN
Inventors: 于今; 罗洋; 王菡; 周兴亚; 张梦琪; 李鑫伟; 李龙
Original assignee: Chongqing University
Current assignee: Chongqing University
Priority date: 2010-07-16
Filing date: 2010-07-16
Publication date: 2011-09-07
Anticipated expiration: 2030-07-16
Also published as: CN101889944A

Abstract

The invention discloses a compliant cardiopulmonary resuscitator, the main points of which are: it comprises two pressing devices arranged oppositely, and elastic pressing rods are arranged on the upper parts of the two pressing devices, and the two elastic pressing rods are relatively staggered. The lower parts of the two pressing devices are provided with a backing plate hole, the same backing plate is set in the backing plate hole, and the two ends of the backing plate respectively pass through the backing plate hole and extend into the backing plate provided in the two pressing devices in the guide groove. The invention has a simple and novel structure, can reduce the labor intensity of the operator, and has low cost due to the simple structure.

Description

Flexible cardiopulmonary resuscitator

Technical field:

The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of flexible cardiopulmonary resuscitator.

Technical background:

Cardio-pulmonary resuscitation is at breathing the rescue key measure that emergency case critical patient taked that heart beating stops, be that external chest compression forms independently beating of temporary transient artificial circulation and recovery, adopt the artificial respiration to replace autonomous respiration, multiple ventricular fibrillation is changeed in electric defibrillation fast, and uses vasoactive agent to recover autonomous circulation emergency treatment technique again as early as possible.The purpose of cardio-pulmonary resuscitation is open airway, rebuilds and breathe and circulation.People just can implement cardio-pulmonary resuscitation for other people after having only the knowledge of abundant understanding cardio-pulmonary resuscitation and accepting in this respect training.At present, when cardio-pulmonary resuscitation is done by hospital, carry out manually-operated, so both required great effort, also increase medical personnel's labor intensity with reference to " cardio-pulmonary resuscitation guide " (2005); It is bigger that the cardio-pulmonary resuscitation effect is influenced by anthropic factor.Especially in the face of accident, as in the violent earthquake of Wenchuan, in the rescues than the Nature disaster such as southern flood, medical personnel's deficiency, the armarium shortage, the present situation that rescue conditions is extremely abominable, a lot of masses suffering from disaster die because can not get succouring timely and effectively, even the wounded that simultaneously obtain rescuing, the initial period of rescue, sufferer often cardio-pulmonary function a little less than, breathe very little, medical personnel have to it is practiced artificial respiration, and have so both consumed one's strength also to have taken the time that medical personnel rescue other sufferers, more likely make pathogen transmission in the sufferer mouth in medical personnel's body.

Import equipment (as Sa Bo) is pneumatic control, can realize the cardio-pulmonary resuscitation function, and to require to push respiratory quotient with " cardio-pulmonary resuscitation guide " (2005) be 30: 2 but exist, and Sa Bo is 5: 1, push to be pneumatic control, and mechanism's complexity, and also degree of accuracy is poor.

Summary of the invention:

The purpose of this invention is to provide a kind of flexible cardiopulmonary resuscitator that can realize pushing precision degree height, reduce medical personnel's labor intensity.

For achieving the above object, technical scheme of the present invention is: the flexible cardiopulmonary resuscitator of design, its main points are: comprise two press devices that are oppositely arranged, and these two press device tops are equipped with elasticity by pressure bar, these two elasticity are crisscross arranged relatively by pressure bar, be equipped with the backing plate hole in these two press device bottoms, described backing plate is provided with same backing plate in the hole, and the two ends of described backing plate are passed described backing plate hole respectively and stretched in the backing plate gathering sill that is provided with in two press devices; Described press device comprises support housing, the close described elasticity of this support housing is a cambered surface that concaves by a side of pressure bar, is a cambered outwards cambered surface away from elasticity by a side of pressure bar, on described support housing medial wall, be fixed with motor, this motor power output shaft is connected with first turning cylinder through shaft coupling, is installed with first bevel gear on this first turning cylinder; Be fixed with two eccentric mount pads at described support housing upper wall, on these two eccentric mount pads, be provided with second turning cylinder, on this second turning cylinder, be fixed with second bevel gear and eccentric, described second bevel gear and the engagement of first bevel gear; Be adjacent to described elasticity by pressure bar below described eccentric, this elasticity is fixed on the described support housing by the pressure bar rear portion, and described support housing is stretched out in the front portion.

In the above structure, two relative installations of press device can be constituted flexible cardiopulmonary resuscitator, elasticity is relative by a cambered surface that concaves of a side of pressure bar, so form the arc space that suitable human body is pushed, hommization more, the people who needs is implemented relief is placed in the flexible cardiopulmonary resuscitator, its back by backing plate just, the plane domain of widening in the middle of the backing plate is the human chest placement location, need fill up below human body during use, be put on the smooth ground, sue and labour thereby can access well; In the time of need pushing people's chest, start motor, because the motor power output shaft is connected with first turning cylinder through shaft coupling, thereby the turning cylinder of winning is rotated, and then first turning cylinder drive on it first bevel gear of installing and rotate, again because first bevel gear and the engagement of second bevel gear, therefore first bevel gear drives the rotation of second bevel gear, second bevel gear drives second turning cylinder and rotates, the final eccentric of realizing being fixed on second turning cylinder rotates, this moment, elasticity was constantly done the circulation of pushing and upwards lifting downwards by the pressure bar front portion under eccentric effect.According to above structure, elasticity obtains by the compression frequency may command motor of pressure bar, elasticity adopts by pressure bar has certain flexible polyurethane material, pushes excellent root with eccentric by compression elasticity, makes it elastic deformation take place and bending, push the human body breastbone, simulation is pushed manually, thereby realizes having replaced traditional linkage with elasticity by pressure bar, and is simple, light, the power transmission is stable, soft, safe and reliable.

Indent forms and pushes excellent mounting groove on the described support housing sidewall, this by the pressure bar mounting groove up and down on the cell wall relative fixed have by pressure bar mounting teeth bar, described elasticity is clamped in described by between the pressure bar mounting teeth bar by the pressure bar rear portion, described eccentric stretches into by pressure bar mounting groove upper side wall from this and is pressed in described elasticity by on the pressure bar, above structure can be fixed on described elasticity by in the pressure bar mounting groove by pressure bar reliably, prevents that elasticity is by the not high defective of pressure bar degree of accuracy in the process of pushing.

In order to prevent that described elasticity can be by skidding off in the pressure bar mounting groove by pressure bar, be fixed with first buckle on described support housing sidewall by pressure bar mounting groove side, the first buckle external part of this first buckle is pressed the pressure bar retaining with described elasticity and is pressed in the pressure bar mounting groove described.

Described backing plate gathering sill is positioned on the support housing medial wall of described motor below, and this backing plate gathering sill and described backing plate hole over against, described backing plate is provided with string backing plate spacing hole, be fixed with second buckle in described support housing bottom, the second buckle external part of this second buckle stretches into that above structure is penetrating backing plate in the described backing plate spacing hole in the backing plate hole, make backing plate stretch into the backing plate gathering sill by the backing plate hole, this moment is because backing plate is provided with the backing plate spacing hole, the second buckle external part stretches into described backing plate gathering sill and inserts in the backing plate spacing hole, thereby realize the spacing of backing plate, prevent that it from deviating from, can select the length of backing plate simultaneously according to the size of human body, promptly realize by selection to the backing plate spacing hole.

Effect of the present invention: 1, under medical personnel's condition of limited, rescue more patient simultaneously; 2, substitute medical personnel and manually pushed, reduced physical demands; 3, continue accurate and effective pushing, guarantee to push quality; 4, avoid the mouth-to-mouth artificial respiration of medical personnel and sufferer, reduced pathogen transmission.

Description of drawings

Fig. 1 is a perspective view of the present invention;

Fig. 2 is the structural representation of press device among Fig. 1;

Fig. 3 is the internal structure sketch map of press device among Fig. 1;

Fig. 4 is the structural representation when press device installation elasticity is pressed pressure bar 10 among Fig. 1;

Fig. 5 is the structural representation of backing plate 17 among Fig. 1.

The specific embodiment:

The present invention is further illustrated below in conjunction with accompanying drawing.

See also Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5: shown in flexible cardiopulmonary resuscitator, constitute by two press devices that are oppositely arranged, backing plate 16 etc., wherein said two press device tops are equipped with adopts elasticity that flexible polyurethane material makes by pressure bar 10, these two elasticity are crisscross arranged relatively by pressure bar 10, be equipped with backing plate hole 1a in these two press device bottoms, same backing plate 16 is set among the described backing plate hole 1a, and the two ends of described backing plate 16 are passed described backing plate hole 1a respectively and are stretched in the backing plate gathering sill 14 that is provided with in two press devices; Described press device comprises support housing 1, this support housing 1 close described elasticity is a cambered surface that concaves by a side of pressure bar 10, is a cambered outwards cambered surface away from elasticity by a side of pressure bar 10, on described support housing 1 medial wall, be fixed with motor 2, these motor 2 power output shafts are connected with first turning cylinder 4 through shaft coupling 3, are installed with first bevel gear 5 on this first turning cylinder 4; Be fixed with two eccentric mount pads 6 at described support housing 1 upper wall, on these two eccentric mount pads 6, be provided with second turning cylinder 7, on this second turning cylinder 7, be fixed with second bevel gear 8 and eccentric 9, described

second bevel gear

8 and 5 engagements of first bevel gear; Be adjacent to described elasticity by pressure bar 10 below described eccentric 9, this elasticity is fixed on the described support housing 1 by pressure bar 10 rear portions, and described support housing 1 is stretched out in the front portion.

In conjunction with Fig. 1, Fig. 2 and Fig. 4 as can be seen: indent forms and pushes excellent mounting groove 11 on described support housing 1 sidewall, this by the pressure bar mounting groove about in the of 11 on the cell wall relative fixed have by pressure bar mounting teeth bar 12, described elasticity is clamped in described by between the pressure bar mounting teeth bar 12 by pressure bar 10 rear portions, described eccentric 9 stretches into by pressure bar mounting groove 11 upper side walls from this and is pressed in described elasticity by on the pressure bar 10; Be fixed with first buckle 13 on described support housing 1 sidewall by pressure bar mounting groove 11 sides, the first buckle external part 13a of this first buckle 13 presses pressure bar 10 retainings with described elasticity and presses in the pressure bar mounting groove 11 described.

See also Fig. 3: described backing plate gathering sill 14 is positioned on support housing 1 medial wall of described motor 2 belows, and this backing plate gathering sill 14 and described backing plate hole 1a over against, described backing plate 16 is provided with string backing plate spacing hole 16a, be fixed with second buckle 15 in described support housing 1 bottom, the second buckle external part 15a of this second buckle 15 stretches among the described backing plate spacing hole 16a.

The above only is preferred embodiment of the present invention, is not restriction with the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims

1. A kind of flexible type cardiopulmonary resuscitator, it is characterized in that: comprise two pressing devices that are arranged oppositely, and elastic pressing bar (10) is all provided with on these two pressing device tops, these two elastic pressing bars (10) Relatively staggered, the bottom of the two pressing devices is provided with backing plate holes (1a), and the same backing plate (16) is set in the backing plate hole (1a), and the two ends of the backing plate (16) respectively pass through Extend through the backing plate hole (1a) into the backing plate guide groove (14) provided in the two pressing devices; the pressing device includes a supporting shell (1), which is close to the elastic One side of the pressing rod (10) is a concave arc surface, and the side away from the elastic pressing rod (10) is a convex arc surface, and a stepper is fixed on the inner wall of the support housing (1). Motor (2), the power output shaft of the stepping motor (2) is connected with a first rotating shaft (4) through a shaft coupling (3), and a first bevel gear ( 5); Two eccentric wheel mounts (6) are fixed on the upper wall of the support housing (1), and a second rotating shaft (7) is arranged on the two eccentric wheel mounts (6). A second bevel gear (8) and an eccentric wheel (9) are fixed on the second rotating shaft (7), and the second bevel gear (8) meshes with the first bevel gear (5); the eccentric wheel (9) The bottom is close to the elastic pressing rod (10), the rear part of the elastic pressing rod (10) is fixed on the supporting shell (1), and the front part protrudes from the supporting shell (1); the supporting shell The side wall of the body (1) is recessed to form a pressing rod installation groove (11), and a pressing rod installation rack (12) is relatively fixed on the upper and lower groove walls of the pressing rod installation groove (11), and the elastic pressing rod (10 ) rear part is clamped between the pressing rod installation racks (12), and the eccentric wheel (9) extends from the upper side wall of the pressing rod installation groove (11) to press on the elastic pressing rod (10) superior.

2. The flexible cardiopulmonary resuscitation machine according to claim 1, characterized in that: a first buckle (13) is fixed on the side wall of the support housing (1) next to the pressing rod installation groove (11), The first buckle extension end (13a) of the first buckle (13) blocks the elastic pressing rod (10) in the pressing rod installation groove (11).

3. The compliant cardiopulmonary resuscitation machine according to claim 1, characterized in that: the backing plate guide groove (14) is located on the inner side wall of the support housing (1) below the stepping motor (2), opened The backing plate guide groove (14) is opposite to the backing plate hole (1a), and a row of backing plate limit holes (16a) is provided on the backing plate (16), and a row of backing plate limit holes (16a) is arranged on the backing plate (16). A second buckle (15) is fixed, and the second buckle extension end (15a) of the second buckle (15) extends into the backing plate limiting hole (16a).