CN211375846U - Dummy thorax elastic mechanism and dummy - Google Patents
Dummy thorax elastic mechanism and dummy Download PDFInfo
- Publication number
- CN211375846U CN211375846U CN201921513517.5U CN201921513517U CN211375846U CN 211375846 U CN211375846 U CN 211375846U CN 201921513517 U CN201921513517 U CN 201921513517U CN 211375846 U CN211375846 U CN 211375846U
- Authority
- CN
- China
- Prior art keywords
- simulated
- sternum
- simulating
- spine
- dummy
- 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.)
- Active
Links
Images
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model discloses a human chest cavity simulating elastic mechanism, which comprises a simulating breastbone, a simulating spine and a plurality of simulating ribs, wherein the two ends of the simulating ribs are respectively hinged with the simulating breastbone and the simulating spine to form a human chest cavity structure; the simulated sternum is made of hard plate, and the thoracic elastic force function simulated by the simulated sternum, the simulated spine, the simulated ribs and the gas spring is F (29.4 x +22.3 x)2‑1.35x3+0.325x4+ (0.710+0.887x) v. The utility model discloses a with the similar mechanical properties of true human thorax elasticity, have and press the feedback impression with the similar manual work of true human body, can help the trainee to establish the sensation to pressing the frequency value and pressing the depth value, and then improve the training effect.
Description
Technical Field
The utility model relates to a cardiopulmonary resuscitation dummy technical field especially relates to a dummy thorax mechanism and dummy.
Background
In medical training for cardiopulmonary resuscitation, a dummy is often used, and the dummy provides a subject for training trainees to perform practice operations, wherein the key item is chest compression, namely, the compression force is applied to the sternum of a patient simulated by the dummy so as to force the chest cavity to generate the descent depth. When the force generated by chest compression is applied to a patient or a dummy, the chest elasticity coefficient of the patient or the dummy is a key factor, which directly affects how much compression depth is generated by the same compression force and how much compression force needs to be changed with the change of the compression depth. Furthermore, chest compressions have strict recommendations for both the frequency and depth of compressions. Therefore, when training manual chest compression, the feedback of the feeling of compression is very important, and the cardiopulmonary resuscitation simulator needs to simulate the thoracic elastic coefficient of a real human body as truly as possible.
The existing common dummy is generally only provided with a simple single cylindrical spiral spring in the chest cavity to simulate the elasticity of the chest cavity, and the mechanical property of the dummy is a simple linear relation: the most prominent problem of the simple linear relationship of the simulated thoracic cavity elastic coefficient is that the feedback feeling of manual pressing is very different from the real human body, and further the ideal training purpose is difficult to achieve.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model is to overcome the too big elasticity difference of current dummy thorax elasticity and real human body, the relatively poor drawback of training effect, and then provide a dummy thorax elastic mechanism and dummy.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a human chest cavity simulating elastic mechanism comprises a simulating sternum, a simulating spine and a plurality of simulating ribs, wherein two ends of each simulating rib are hinged with the simulating sternum and the simulating spine respectively to form a human chest cavity structure, at least one gas spring is arranged between the simulating sternum and the simulating spine, and two ends of each gas spring are hinged with the simulating sternum and the simulating spine respectively; the simulated sternum is made of hard plate material, and the thoracic elastic force function which is fit and synthesized by the simulated sternum, the simulated spine, the simulated ribs and the gas spring is as follows
F＝29.4x+22.3x2-1.35x3+0.325x4+(0.710+0.887x)v
Where F denotes force, x denotes compression depth, and v denotes compression speed.
Preferably, the force function to which the elasticity of the simulated spine is fitted is f2＝-1.35x3+0.325x4The force function fit-synthesized by a plurality of the simulated ribs is f1＝29.4x+22.3x2The force function of the gas spring is f3＝-(0.710+0.887x)v。
Preferably, the simulated spine is made of one elastic plate member or is formed by overlapping more than two elastic plate members.
Preferably, the simulated ribs are made of elastic sheets, and the hinged connection at the two ends of the simulated ribs is a rotatable hinged connection.
Preferably, the number of the gas springs is two, and the two gas springs are obliquely arranged.
Preferably, when the simulated human thoracic cavity elastic mechanism is laid down, the included angle between the simulated sternum and the horizontal plane is 0-20 degrees, and further preferably 10 degrees.
A dummy is provided, wherein any one of the dummy chest cavity elastic mechanisms is arranged in the chest cavity of the dummy.
The utility model has the advantages that:
the utility model discloses a dummy thorax elastic mechanism has realized the similar mechanical properties with the thorax elasticity of true human body, has and presses the feedback impression with the similar manual work of true human body, and the training person can effectively help its to establish when this dummy trains to press the frequency value and press the sensation of degree of depth, and then can improve the effect of training greatly.
Drawings
In order that the present invention may be more readily and clearly understood, reference is now made to the following detailed description of the invention taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic perspective view of the human chest cavity simulating elastic mechanism of the present invention;
FIG. 2 is a front view of the simulated human thoracic cavity elastic mechanism of the present invention;
FIG. 3 is a side view of the simulated human thoracic cavity spring mechanism of the present invention;
FIG. 4 is a schematic structural view of the human simulator with the thoracic cavity elastic mechanism of the present invention installed thereon when lying down;
fig. 5 is a schematic structural diagram of the human simulator of the present invention.
The reference numbers in the figures denote:
1-simulating a sternum; 2-simulating the spine; 3-simulating ribs; 4-a gas spring; 5-simulating a sword handle; 6-simulation of xiphoid process.
Detailed Description
Referring to fig. 1-3, a simulated human thoracic cavity elastic mechanism includes a simulated sternum 1, a simulated spine 2, and seven pairs (14, considering that there are 12 pairs of ribs in a normal human body, but only 7 pairs of ribs are connected to the sternum, preferably 7 pairs) of simulated ribs 3, wherein the simulated ribs, the simulated sternum, and the simulated spine are arranged according to the shape and position of human anatomy, two ends of the simulated ribs 3 are respectively hinged to the simulated sternum 1 and the simulated spine 2 to form a human thoracic cavity structure, two gas springs 4 are arranged between the simulated sternum 1 and the simulated spine 2, and two ends of the gas springs 4 are respectively hinged to the simulated sternum 1 and the simulated spine 2; the simulated sternum 1 is made of a hard plate, preferably a stainless steel plate, and the simulated thoracic elastic force function which is fit by the simulated sternum 1, the simulated spine 2, the simulated ribs 3 and the gas spring 4 is as follows:
F＝29.4x+22.3x2-1.35x3+0.325x4+(0.710+0.887x)v
where F denotes force, x denotes compression depth, and v denotes compression speed.
Preferably, the simulation is performedThe force function of the elastic fitting of the spinal column 2 is f2＝-1.35x3+0.325x4The force function to be fitted to the seven pairs of simulated ribs 3 is f1＝29.4x+22.3x2The force function to be fitted to said gas spring 4 is f3＝-(0.710+0.887x)v。
The simulated spine 2 of the embodiment is made of one elastic plate or formed by overlapping more than two elastic plates, and the plate is preferably a stainless steel plate; the shape of the simulation spine 2 is similar to the spine curve shape of a real human body, and the rigidity of the simulation spine is larger than the sum of the rigidity of all simulation ribs and the rigidity of the gas spring.
The simulated rib 3 of this embodiment is an elastic sheet made of stainless steel, and the hinged connections at both ends of the simulated rib 3 are both rotatable hinged connections, i.e. when one end is hinged, the simulated rib 3 can rotate around its axis at the hinged point.
In the embodiment, the two gas springs are both obliquely arranged, referring to fig. 4-5, when the human simulator with the thoracic cavity elastic mechanism of the present invention is in a lying posture, the included angle α between the simulated sternum 1 and the horizontal plane is preferably 10 degrees. So as to be similar to the anatomical structure of a real human body, and is beneficial to simulating the needed target elasticity coefficient.
The seven pairs of simulated ribs 3 of the present embodiment are different in shape and size according to the shape of the skeletal structure of the human thorax, and the seven pairs of simulated ribs gradually increase in size and gradually decrease in rigidity from top to bottom of the human body to be as similar as possible to a real human body. The simulated sternum is made of hard plates and is similar to the shape of a real human sternum, besides stainless steel plates, high-strength plastics, carbon fibers and the like can be used for manufacturing the simulated sternum, the upper end of the simulated sternum is provided with a simulated sword handle 5, and the bottom end of the simulated sternum is provided with a simulated sword process 6, so that the simulation degree is further improved.
In a normal state, seven pairs of initial elastic forces of the simulated ribs and initial forces of the two gas springs are set, so that a relatively stable balance state is kept between the simulated sternum and the simulated vertebra under the action of force, the seven pairs of initial elastic forces of the simulated ribs are in a contracted elastic state, and the two gas springs are in a compressed state to a certain degree.
When the dummy chest cavity elastic mechanism of the embodiment performs chest compression, the compression position is generally near the connection point of the dummy sternum and the fourth pair of dummy ribs, and the direction of the compression force is vertical to the horizontal plane (the dummy is in a lying state). When the chest compression is carried out on the simulated person, because the elasticity of each pair of ribs is different, and the rigidity of the first rib is gradually reduced backwards, all the compression forces can make the angle of the sternum on the ground smaller, and simultaneously the whole sternum descends, so that the compression simulation is similar to a real human body: the rigidity of the upper part of the thorax near the clavicle is strong, and the rigidity of the thorax near the abdomen is weak. When the chest bone is pressed, the descending speed v is generated by the chest bone, and the descending speed and the descending displacement simultaneously influence the force generated by the gas spring, namely the damping force characteristic of the gas spring is formed, so that the simulation degree of the simulation pressing is improved.
All pressing forces are finally applied to the simulated spine during pressing, so that the simulated spine deforms according to the radian curve of the simulated spine, and the reality degree of the elasticity of the simulated thorax is further improved.
The thickness, material and shape of the simulated sternum, the simulated spine and the simulated ribs in this embodiment are not limited as long as the desired target thoracic elastic coefficient curve F can be fit to 29.4x +22.3x2-1.35x3+0.325x4+ (0.710+0.887x) v, the desired design objective can be achieved.
Of course, for easy detection and assembly and to ensure the simulation degree of simulation, it is preferable that all simulated ribs be fitted to form the force function f1＝29.4x+22.3x2Simulation of the spine to form a force function f2＝-1.35x3+0.325x4The gas spring can be fitted to form a force function f3(0.710+0.887x) v, so that the degree of simulation of the simulation can be ensured.
The utility model discloses a dummy thorax elastic mechanism has realized the similar mechanical properties with the thorax elasticity of true human body for the simulation training can have the artifical feedback impression of pressing down similar with true human body. The trainer can effectively help the human simulator to build the feeling of the pressing frequency value and the pressing depth value when training, thereby greatly improving the training effect.
The utility model discloses an after anthropomorphic dummy thorax elastic mechanism installed anthropomorphic dummy thorax, correspond the structure with real human anatomy similar, can establish the impression directly perceived to pressing the mechanism outside the chest for the training person, how corresponding effect is to sternum, rib when can directly perceivedly experience pressing, and then deepen the understanding that the training person pressed outside the chest.
The utility model discloses the thorax elastomechanics curve of realization can accord with most people's mechanical properties curve, is provided with the utility model discloses a mechanical properties that most of human bodies can be simulated to thorax elastic mechanism's anthropomorphic dummy, consequently makes application scope wider.
The above-mentioned embodiments are only for explaining the technical solution of the present invention in detail, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art should understand that all the modifications and substitutions based on the above-mentioned principle and spirit should be within the protection scope of the present invention.
Claims (7)
1. The utility model provides a simulate people's thorax elastic mechanism which characterized in that: the artificial chest comprises a simulated sternum, a simulated spine and a plurality of simulated ribs, wherein two ends of each simulated rib are respectively hinged with the simulated sternum and the simulated spine to form a human chest structure, at least one gas spring is arranged between the simulated sternum and the simulated spine, and two ends of each gas spring are respectively hinged with the simulated sternum and the simulated spine; the simulated sternum is made of hard plates, and the thoracic elastic force function fit-synthesized by the simulated sternum, the simulated spine, the simulated ribs and the gas spring is as follows:
F＝29.4x+22.3x2-1.35x3+0.325x4+(0.710+0.887x)v
where F denotes force, x denotes compression depth, and v denotes compression speed.
2. The simulated human thoracic cavity spring mechanism of claim 1, further comprising: the simulated spine is made of one elastic plate or is formed by overlapping more than two elastic plates.
3. The simulated human thoracic cavity spring mechanism of claim 2, further comprising: the simulated ribs are made of elastic sheets, and the hinged connection of the two ends of the simulated ribs is rotatable hinged connection.
4. The simulated human thoracic cavity spring mechanism of claim 3, further comprising: the air spring be provided with two, two the air spring all inclines to set up.
5. The simulated human thoracic cavity spring mechanism of claim 4, further comprising: when the simulating human chest cavity elastic mechanism is laid down, the included angle between the simulating sternum and the horizontal plane is 0-20 degrees.
6. The simulated human thoracic cavity spring mechanism of claim 5, further comprising: when the simulating human thoracic cavity elastic mechanism lies flat, the included angle between the simulating sternum and the horizontal plane is 10 degrees.
7. A dummy, characterized by: the dummy has a chest cavity in which a dummy chest cavity spring mechanism according to any one of claims 1 to 6 is disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513517.5U CN211375846U (en) | 2019-09-11 | 2019-09-11 | Dummy thorax elastic mechanism and dummy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513517.5U CN211375846U (en) | 2019-09-11 | 2019-09-11 | Dummy thorax elastic mechanism and dummy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211375846U true CN211375846U (en) | 2020-08-28 |
Family
ID=72156252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921513517.5U Active CN211375846U (en) | 2019-09-11 | 2019-09-11 | Dummy thorax elastic mechanism and dummy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211375846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444076A (en) * | 2019-09-11 | 2019-11-12 | 苏州尚领医疗科技有限公司 | A kind of simulation people thoracic cavity elastic mechanism and simulation people |
-
2019
- 2019-09-11 CN CN201921513517.5U patent/CN211375846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444076A (en) * | 2019-09-11 | 2019-11-12 | 苏州尚领医疗科技有限公司 | A kind of simulation people thoracic cavity elastic mechanism and simulation people |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4984987A (en) | CPR manikin | |
| JP6522376B2 (en) | Heart massage exercise tool and heart massage practice method | |
| CN211375846U (en) | Dummy thorax elastic mechanism and dummy | |
| Sanri et al. | The impact of backboard placement on chest compression quality: a mannequin study | |
| CN110444076A (en) | A kind of simulation people thoracic cavity elastic mechanism and simulation people | |
| CN212342141U (en) | Simulation dummy for simulating thorax and chest compression | |
| CN104680912A (en) | Adult simulation thorax structure | |
| CN103700297B (en) | Full-automatic two dimension writes body-building tutoring system | |
| CN206628178U (en) | Simulation people is used in a kind of CPR experiment | |
| CN201051337Y (en) | Multiple cardiograph computer simulation human | |
| Stanley et al. | Recreating the feel of the human chest in a CPR manikin via programmable pneumatic damping | |
| CN201465397U (en) | Improved hip injection model with anatomical structure | |
| CN206322404U (en) | A kind of automation human respiratory apparatus for demonstrating of teaching | |
| CN110473454A (en) | A kind of CPR simulation press device | |
| CN109637318B (en) | Anti-pressure multi-mode respiratory motion simulation device | |
| CN109637319B (en) | Rib bow structure of motion biomechanics simulation structure | |
| CN203689739U (en) | Automatic 2D writing and exercise teaching system | |
| CN207942400U (en) | Apery lumbar vertebrae system based on pneumatic muscles | |
| CN207841310U (en) | Apery cervical vertebra system based on pneumatic muscles | |
| CN220604208U (en) | Cardiopulmonary resuscitation simulation teaching device | |
| CN108527357B (en) | Human lumbar system of imitative based on pneumatic muscle | |
| CN218768467U (en) | Human body model for cardio-pulmonary resuscitation teaching | |
| CN111862756A (en) | Simulation dummy for simulation chest and chest compression training | |
| CN207833760U (en) | A kind of CPR teaching mode and medical model | |
| CN213690531U (en) | Force feedback exoskeleton glove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |