CN216455996U - 3D external chest compression cardiopulmonary resuscitation instrument - Google Patents
3D external chest compression cardiopulmonary resuscitation instrument Download PDFInfo
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- CN216455996U CN216455996U CN202122807334.8U CN202122807334U CN216455996U CN 216455996 U CN216455996 U CN 216455996U CN 202122807334 U CN202122807334 U CN 202122807334U CN 216455996 U CN216455996 U CN 216455996U
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- rod
- cardiopulmonary resuscitation
- chest compression
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- 238000002680 cardiopulmonary resuscitation Methods 0.000 title claims abstract description 54
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- 239000003638 chemical reducing agent Substances 0.000 claims description 5
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- 238000000034 method Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 11
- 208000010496 Heart Arrest Diseases 0.000 description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- 206010049418 Sudden Cardiac Death Diseases 0.000 description 5
- 210000004556 brain Anatomy 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005180 public health Effects 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000014221 sudden cardiac arrest Diseases 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 206010045555 Unresponsive to stimuli Diseases 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000036770 blood supply Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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Abstract
The utility model discloses a 3D external chest compression cardio-pulmonary resuscitation apparatus, which comprises a shell, and a driving mechanism, a pressing mechanism and a guiding mechanism which are arranged in the shell, wherein when an eccentric wheel eccentrically rotates under the driving of a motor, the eccentric wheel drives a pressing rod and a pull rod to reciprocate up and down; the cardiopulmonary resuscitation instrument further comprises a supporting mechanism, the supporting mechanism comprises a bottom plate, a sliding rod and a supporting rod, the sliding rod is installed on the bottom plate, the supporting rod is fixedly connected with the sliding rod, and the supporting rod supports the shell over the bottom plate. The utility model provides a section can adapt to various size patients' 3D presses cardiopulmonary resuscitation appearance, has adopted full thorax parcel formula 3D to press the mode, the adjustment can be made fast to the instrument, the chest that accords with the standard in the shortest time presses, and can accomplish that the degree of depth is shallower under the same effect of pressing, the effect is better under the equal degree of depth of pressing, the probability that causes secondary damage to the patient has been reduced, realize the function that this artificial cardiopulmonary resuscitation of uninterrupted cardiopulmonary resuscitation does not have at the removal in-process.
Description
Technical Field
The utility model relates to a medical instrument, in particular to a 3D external chest compression cardio-pulmonary resuscitation apparatus.
Background
Sudden cardiac arrest is one of the most critical conditions in the public health and clinical medicine fields, and is characterized by sudden arrest of mechanical activity of the heart, unresponsive to stimuli, pulseless, involuntary or dying sigh-like breathing, often resulting in immediate death of the patient, i.e., Sudden Cardiac Death (SCD), if not effectively cured in time. Cardiac arrest is common, the SCD occurrence rate in China is 41.84/10 ten thousand (0.04%) per year, calculated by 13 hundred million people, and 54.4 ten thousand SCDs occur per year in China.
Resuscitation treatments for patients with cardiac arrest are: the method comprises the steps of clearing an airway of a patient to be unobstructed, carrying out artificial respiration on the patient, and carrying out chest compression to enable blood to flow to other important organs of the patient, such as the heart, the brain and the like. If the patient has a shockable heart rhythm, the resuscitation treatment should also include defibrillation therapy. Preliminary assessment, airway maintenance, expiratory ventilation (artificial respiration), chest compressions, which are referred to together as "basic life support" (BLS). When all three treatments were combined: during airway respiration, blood circulation, chest compressions, it is called "cardiopulmonary resuscitation (CPR)".
The survival rate of a patient is reduced by about 10% approximately every 1 minute delay between the onset of cardiac arrest and the delivery of defibrillation therapy. Therefore, the onsite, timeliness, and simplicity of CPR operations are of paramount importance. The American Heart Association (AHA) recent guidelines state that standard CPR requires about 45-90 kg of force to be applied to a patient's chest to achieve chest compressions of 5-6 cm of recommended depth at a rate of 0.6 seconds for a compression to be applied, i.e., greater than 100 compressions per minute. During the operation of the manual CPR, the physical ability of a rescuer who is responsible for performing chest compression is greatly consumed, so that the CPR is often forced to stop due to exhaustion, and the compression is suspended (10-30 seconds) when the rescuer is replaced, and no blood is delivered to the heart, the brain and other important organs during the CPR suspension, which has a great influence on the rescue effect. In addition, in the rescue of a cardiac arrest patient, due to the uncertainty of the patient's origin, the level of rescue for on-site rescuers is uneven, often non-professional personnel are involved in the practice, often resulting in CPR being performed in an incorrect manner before the arrival of the professional rescue or when the patient has been awakened, causing secondary injury to the patient.
Advantages of conventional manual cardiopulmonary resuscitation include: the method can be carried out in any most environments without preparation work and additional equipment. However, artificial cardiopulmonary resuscitation has some considerable disadvantages: the operation technology is not easy to reach the standard, the pressing personnel is easy to be tired, the operation can not be implemented in the transportation process, and a larger interval exists when artificial respiration and chest pressing are carried out. Existing CPR devices often include a cardiopulmonary resuscitation instrument, a suction apparatus, an oxygen supply system, etc., and are equipped with a trained medical professional. These devices are bulky, heavy, and require external power and adjustment maintenance. Therefore, cardiopulmonary resuscitation can be performed only in the emergency department and ICU with complete facilities, and the patients lose the best rescue opportunity.
At present, for emergency treatment in public places or places outside hospitals, the survival rate of cardiac arrest before hospital in China is extremely low (lower than 2%), how to implement high-quality on-site emergency treatment in a very short time and guarantee blood supply of heart, brain and other important organs of a patient in the transportation process are important for improving the success rate of cardiopulmonary resuscitation.
Therefore, there is an urgent need for an efficient, lightweight, and easy-to-use CPR device that replaces the manual work of performing accurate, standard, and continuous CPR on patients with cardiac arrest.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the 3D external chest compression cardio-pulmonary resuscitation device can adapt to patients with different body types, can quickly make adjustment, can perform external chest compression meeting the standard in the shortest time, can ensure that blood of the patients can be conveyed to the heart, the brain and other important organs to maintain the life of the patients before the patients receive treatment of professional doctors or medical institutions, and has great significance for public health systems.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
3D external chest compression cardiopulmonary resuscitation instrument, including shell and set up in it
The driving mechanism comprises a motor, and an eccentric wheel is arranged at the front end of a power shaft of the motor;
the pressing mechanism comprises a pressing rod movably arranged on the lower side of the eccentric wheel through a connecting piece;
the guide mechanism comprises a pull belt rod movably arranged on the upper side of the eccentric wheel through a connecting piece;
when the eccentric wheel eccentrically rotates under the driving of the motor, the eccentric wheel drives the pressing rod and the pull belt rod to reciprocate up and down;
the cardiopulmonary resuscitation instrument further comprises a supporting mechanism, the supporting mechanism comprises a bottom plate, a sliding rod and a supporting rod, the sliding rod is installed on the bottom plate, the supporting rod is fixedly connected with the sliding rod, and the supporting rod supports the shell right above the bottom plate.
As an improvement of the technical scheme, a speed reducer is arranged between the motor and the power shaft.
As an improvement of the above technical scheme, a front support frame and a rear support frame are arranged in the housing, the pressing mechanism and the guide mechanism are arranged between the front support frame and the rear support frame, and a plurality of guide shafts are further arranged between the front support frame and the rear support frame.
As an improvement of the above technical solution, two guide shafts are respectively arranged on the upper side and the lower side between the front support frame and the rear support frame, and the distance between the two guide shafts on the lower side is smaller than that between the two guide shafts on the upper side.
As an improvement of the technical scheme, the power shaft penetrates through the front support frame and the rear support frame and is fixed on the front support frame and the rear support frame through bearings respectively.
As an improvement of the technical scheme, the connecting pieces of the pressing rod and the pull rod are movably connected with the eccentric wheel through angular contact ball bearings.
As an improvement of the technical scheme, the outer side of the pressing rod and the pull rod is sleeved with a guide limiting block.
As an improvement of the technical scheme, the top of the pull belt rod is provided with a hole groove for the binding belt to pass through.
As an improvement of the technical scheme, the bottom of the shell is provided with a containing groove for containing the pressing rod.
As an improvement of the technical scheme, the sliding rod comprises an outer sliding rod positioned on the lower side and an inner sliding rod sleeved in the outer sliding rod, and the outer sliding rod and the inner sliding rod are fixed through an adjusting pin and a rubber sleeve.
As an improvement of the technical scheme, the outer sliding rod is L-shaped, is rotatably arranged on the bottom plate through a rotating shaft and is fixed through a locking block and a locking block shaft.
As an improvement of the technical scheme, the bottom plate is provided with a handle groove, and the handle groove is provided with an inclination.
The utility model has the following beneficial effects:
the application is a 3D who can adapt to various size patients presses cardiopulmonary resuscitation appearance. This instrument has adopted full thorax parcel formula 3D to press the mode, combines the theory of thoracic pump and heart pump, and the adjustment can be made fast to the instrument, carries out the chest that accords with the standard in the shortest time and presses, and can accomplish that the degree of depth is shallower under the same effect of pressing, and the effect is better under the equal degree of depth of pressing, has reduced the probability that causes secondary damage to the patient, realizes the function that this artificial cardiopulmonary resuscitation of moving the in-process does not break.
As an alternative to manual cardiopulmonary resuscitation, the device frees healthcare workers from heavy cardiopulmonary resuscitation, allowing them to focus more on advanced life support and thus increasing the success rate of cardiopulmonary resuscitation. At the same time, the mechanical device has lower requirements for the user and can start the cardiopulmonary resuscitation of the patient more quickly.
The application combines the existing cardio-pulmonary resuscitation instrument, perfects and innovatively realizes the basic function of cardio-pulmonary resuscitation, has very important significance for improving the survival rate of the sudden cardiac arrest of extrahospital respiration, and is an important part for perfecting the modern public health system.
Drawings
The utility model will be further described with reference to the accompanying drawings and specific embodiments,
FIG. 1 is a partial cross-sectional view of the present 3D compression cardio-pulmonary resuscitation apparatus;
FIG. 2 is a side view of the 3D compression cardiopulmonary resuscitation device (with the rear housing and rear support frame removed);
fig. 3 is a schematic perspective view of the 3D compression cardiopulmonary resuscitation apparatus.
In the figure: 1-a rear housing; 2, a motor; 3-a reducer; 4-rear support frame; 5-a power shaft; 6-shaft sleeve; 7-a bearing; 8-a guide shaft; 9-front support frame; 10-a front housing; 11-a tie rod; 12-a guide limit block; 13-eccentric wheel; 14-angular contact ball bearings; 15-a connector; 16-a support bar; 17-inner slide bar; 18-an adjustment pin; 19-an outer slide bar; 20-pressing rod; 21-a rotating shaft; 22-bottom plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper side", "lower side", "upper end", "both ends", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "communicating" are to be construed broadly and can include, for example, fixed and removable connections; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-3, a 3D external chest compression cardio-pulmonary resuscitation apparatus includes a housing and a cardiopulmonary resuscitation device disposed therein
The driving mechanism comprises a motor 2 and a speed reducer 3, the driving force of the motor 2 is output by a power shaft 5 after passing through the speed reducer 3, and the front end of the power shaft 5 is provided with an eccentric wheel 13;
a pressing mechanism which comprises a pressing rod 20 movably arranged on the lower side of the eccentric wheel 13 through a connecting piece 15 and a bearing;
the guide mechanism comprises a pull belt rod 11 movably arranged on the upper side of the eccentric wheel 13 through a connecting piece 15 and a bearing;
when the eccentric wheel 13 eccentrically rotates under the driving of the motor 2, the eccentric wheel drives the pressing rod 20 and the pull belt rod 11 to reciprocate up and down, so that the external chest compression with preset frequency, instrument fixation and thorax wrapping are realized;
the cardiopulmonary resuscitation instrument further comprises a supporting mechanism, wherein the supporting mechanism comprises a bottom plate 22, sliding rods arranged on two sides of the bottom plate 22 and supporting rods 16 fixedly connected with the sliding rods, and the supporting rods 16 on the two sides support/clamp the shell right above the bottom plate 22.
When the cardiopulmonary resuscitation instrument is used, the pressing head at the bottom of the pressing rod 20 presses a point above the chest to be a main pressing force, and the surrounding bandage tightened through guiding plays a role in fixing the pressing instrument and wrapping the thorax, so that the thorax is prevented from expanding outwards to improve the pressing effect.
In an embodiment, the housing comprises a rear housing 1 and a front housing 10. The shell is internally provided with a front support frame 9 and a rear support frame 4, the pressing mechanism and the guide mechanism are arranged between the front support frame 9 and the rear support frame 4, four guide shafts 8 are further arranged between the front support frame 9 and the rear support frame 4, the upper part and the lower part are respectively two, the distance between the two guide shafts 8 positioned on the lower side is smaller than the distance between the two guide shafts 8 positioned on the upper side, namely, the guide shafts 8 positioned on the lower side are folded inwards. The top of the drawstring rod 11 is provided with a hole groove for preventing the bandage from winding and blocking the operation through the bandage, when tightening up the bandage, the drawstring rod 11 moves downwards under the driving of the eccentric wheel 13, the bandage is tightened up through pulling, and the bandage transmits the tightening force to the lower part through the guide shaft 8 positioned at the four corners.
Two ends of the guide shaft 8 are arranged on the corresponding side support frames through bearings, so that friction force is reduced, reciprocating motion of the binding bands is smoother, and force loss in the working process is reduced.
In one embodiment, the power shaft 5 passes through the rear support frame 4 and the front support frame 9 in sequence and is fixed on the rear support frame and the front support frame through the shaft sleeve 6 and the bearing 7 respectively.
In one embodiment, the pressing rod 20, the connecting piece 15 of the tension rod 11 and the eccentric wheel 13 are movably connected through an angular contact ball bearing 14.
In one embodiment, the guide stoppers 12 are sleeved outside the pressing rod 20 and the pull rod 11. Because the two moving rods of the 3D pressing cardio-pulmonary resuscitation instrument need to do up-and-down reciprocating motion, if no guide mechanism is used for limiting, the action of the rods cannot be controlled, and therefore guide limiting blocks 12 are arranged on the moving paths of the moving rods and used for limiting the movement of the moving rods; the guide stopper 12 may be directly fixed to the rear support frame 4.
The outer shell and the inner components are supported by a lower support mechanism.
In the supporting mechanism, a plurality of handle grooves are formed in the bottom plate 22, and the handle grooves are provided with slopes, so that hands can conveniently extend out of the bottom to lift the bottom plate 22. In addition, the bottom plate 22 may be provided with a cloth to form a simple stretcher, so that the rescuer can move the patient while performing cardiopulmonary resuscitation, and the stretcher is not limited by the terrain (stairs, mountain roads, etc.).
The sliding rods on the two sides of the bottom plate 22, the supporting rods 16 fixedly connected with the sliding rods, and the supporting rods 16 on the two sides support/clamp the shell right above the bottom plate 22. The slide bars are designed in such a way that the slide bars are sleeved inside and outside, the two slide bars can slide relatively through size constraint, and are fixed through the adjusting pin 18 and the rubber sleeve. The inner slide bar 17 is sleeved in the outer slide bar 19, the outer slide bar 19 is L-shaped, the outer slide bar 19 is rotatably mounted on the bottom plate 22 through the rotating shaft 21 and is fixed through the locking block and the locking block shaft, the slide bar is prevented from being toppled, the whole structure is more stable, and the pressing of the instrument for carrying a patient in the working state on the patient can be guaranteed without interruption.
When outer slide bar 19 fell, the machine was in inoperative condition promptly, and the design of L type outer slide bar 19 can make the upper half of shell when the slide bar fell outstanding in bottom plate 22 certain distance, and the latter half of shell laminates just on bottom plate 22 simultaneously, conveniently directly mentions whole equipment through the shell, makes things convenient for the transport more. To this end, the top of the housing may be provided with a handle.
The bottom of the housing may be provided with a receiving groove for receiving the pressing rod 20 and the bottom thereof.
In one embodiment, the front support frame 9 and the rear support frame 4 are two aluminum alloy plates, and the two aluminum alloy plates are connected through six rods with threaded holes, so that the guide shaft 8 and parts on the shaft are supported.
It should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (10)
1.3D chest compression cardiopulmonary resuscitation appearance, its characterized in that: comprises a shell and a cover arranged in the shell
The driving mechanism comprises a motor, and an eccentric wheel is arranged at the front end of a power shaft of the motor;
the pressing mechanism comprises a pressing rod movably arranged on the lower side of the eccentric wheel through a connecting piece;
the guide mechanism comprises a pull belt rod movably arranged on the upper side of the eccentric wheel through a connecting piece;
when the eccentric wheel eccentrically rotates under the driving of the motor, the eccentric wheel drives the pressing rod and the pull belt rod to reciprocate up and down;
the cardiopulmonary resuscitation instrument further comprises a supporting mechanism, the supporting mechanism comprises a bottom plate, a sliding rod and a supporting rod, the sliding rod is installed on the bottom plate, the supporting rod is fixedly connected with the sliding rod, and the supporting rod supports the shell right above the bottom plate.
2. The 3D chest compression cardiopulmonary resuscitation instrument of claim 1, wherein:
and a speed reducer is arranged between the motor and the power shaft.
3. The 3D chest compression cardiopulmonary resuscitation instrument of claim 1, wherein:
the shell is internally provided with a front support frame and a rear support frame, the pressing mechanism and the guide mechanism are arranged between the front support frame and the rear support frame, and a plurality of guide shafts are further arranged between the front support frame and the rear support frame.
4. The 3D chest compression cardiopulmonary resuscitation instrument of claim 3, wherein:
two guide shafts are respectively arranged on the upper side and the lower side between the front support frame and the rear support frame, and the distance between the two guide shafts on the lower side is smaller than that between the two guide shafts on the upper side.
5. The 3D chest compression cardiopulmonary resuscitation instrument of claim 1, wherein:
the connecting pieces of the pressing rod and the pull rod are movably connected with the eccentric wheel through angular contact ball bearings.
6. The 3D chest compression cardiopulmonary resuscitation instrument of claim 1, wherein:
the guide limiting blocks are sleeved on the outer sides of the pressing rod and the pull belt rod.
7. The 3D chest compression cardiopulmonary resuscitation instrument of claim 1, wherein:
the top of the pull belt rod is provided with a hole groove for the binding belt to pass through.
8. The 3D chest compression cardiopulmonary resuscitation instrument of claim 1, wherein:
the slide bar comprises an outer slide bar positioned on the lower side and an inner slide bar sleeved in the outer slide bar, and the outer slide bar and the inner slide bar are fixed through an adjusting pin and a rubber sleeve.
9. The 3D chest compression cardiopulmonary resuscitation instrument of claim 8, wherein:
the outer sliding rod is L-shaped, is rotatably arranged on the bottom plate through a rotating shaft and is fixed through a locking block and a locking block shaft.
10. The 3D chest compression cardiopulmonary resuscitation instrument of claim 1, wherein:
a handle groove is formed in the bottom plate, and an inclination is arranged at the handle groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807334.8U CN216455996U (en) | 2021-11-16 | 2021-11-16 | 3D external chest compression cardiopulmonary resuscitation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807334.8U CN216455996U (en) | 2021-11-16 | 2021-11-16 | 3D external chest compression cardiopulmonary resuscitation instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216455996U true CN216455996U (en) | 2022-05-10 |
Family
ID=81396833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122807334.8U Expired - Fee Related CN216455996U (en) | 2021-11-16 | 2021-11-16 | 3D external chest compression cardiopulmonary resuscitation instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216455996U (en) |
-
2021
- 2021-11-16 CN CN202122807334.8U patent/CN216455996U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Huiping Inventor after: Wang Hanzhi Inventor after: Wang Yifan Inventor after: Wang Chaohui Inventor after: Sun Hailun Inventor after: Dang Junyi Inventor after: Wen Diyun Inventor after: Dong Daifan Inventor after: Cao Zongyuan Inventor after: Wang Zhichao Inventor after: Xu Tengfei Inventor before: Li Huiping Inventor before: Wang Hanzhi Inventor before: Wang Yifan Inventor before: Sun Hailun Inventor before: Dang Junyi Inventor before: Wen Diyun Inventor before: Wang Chaohui Inventor before: Dong Daifan Inventor before: Cao Zongyuan Inventor before: Wang Zhichao Inventor before: Xu Tengfei |
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| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |