CN217133888U - Chest compression operation training device for neonates - Google Patents

Abstract

The utility model provides a chest pressing operation trainer for neonate belongs to medical instrument technical field, including the inspection bed, the top of inspection bed is provided with two montants, two the bottom fixedly connected with bottom block of montant, two sliding connection has the horizontal pole on the montant, be provided with detection mechanism on the horizontal pole, install two stop gear on the horizontal pole. The utility model provides a chest that uses clinically press down evaluation device and be used for many more that the adult need place the heavy size of weight on adult's thorax and be not suitable for greatly the problem that the less neonate of size, a small number can be used to the neonate's chest press down evaluation device and use the fixed degree of depth of pressing and can not adapt to the neonate's of different sizes problem, the utility model discloses in, through horizontal pole, detection mechanism and stop gear's setting, can be through the height of stop gear adjustment horizontal pole, light in weight, the size is little, can adapt to the neonate's of different sizes demand.

Description

A chest compression operation training device for newborns

Technical field:

The utility model belongs to the technical field of medical instruments, in particular to a chest compression operation training device for newborns.

Background technique:

As part of CPR, chest compressions are a life-saving procedure for patients with signs of cardiac arrest (ie, unresponsiveness, normal breathing, and no pulse). High-quality chest compressions can improve the patient's chances of survival, including Minimize interruptions in compressions, sufficient compression depth and compression frequency. Clinically, the chest compression ratio (CCF) is usually used to evaluate the continuity of compressions. CCF = chest compression time / cardiopulmonary resuscitation time × 100%, low CCF value and prognosis The ideal target is 80%, and at least 60%. For neonates, the position of chest compression is the substernal 1/3 (below the midpoint of the line connecting the two nipples), avoiding the xiphoid process, and the depth of compression is about The anteroposterior diameter of the thorax is 1/3, the compression frequency is 100-120 times/min, and the thoracic cage fully rebounds.

At present, most of the clinical chest compression evaluation devices are used in adults, which need to be placed on the adult thorax. They are heavy and large, and are not suitable for small newborns; a few chest compression evaluation devices can be used for neonates. The fixed compression depth cannot meet the needs of newborns of different sizes. Therefore, a chest compression operation training device for newborns is proposed.

Utility model content:

The utility model provides a chest compression operation training device for neonates, the purpose of which is to solve the problem that the chest compression evaluation device used clinically is mostly used for adults and needs to be placed on the adult thorax. Smaller neonates and few chest compression assessment devices available for neonates use a fixed compression depth that cannot adapt to the needs of neonates of different sizes.

The utility model provides a chest compression operation training device for newborns, comprising an examination bed, two vertical rods are arranged on the top of the examination bed, and bottom blocks are fixedly connected to the bottoms of the two vertical rods. The two vertical bars are slidably connected with cross bars, a detection mechanism is arranged on the cross bars, two limit mechanisms are installed on the cross bars, a tested prosthesis is placed on the inspection bed, and the tested prosthesis is placed on the inspection bed. A fixed frame is installed in the prosthesis, a controller is fixedly connected in the fixed frame, a display screen is installed on the outside of the fixed frame, buttons are installed on the outside of the fixed frame, and a sound is installed on the outside of the fixed frame The player, the vertical rod is provided with a scale.

Further, the detection mechanism includes a finger cover housing, a pressing block, a slider, a spring, a pressure sensor, a displacement sensor main body and a displacement sensor moving part, the finger cover housing is fixed in the middle of the crossbar, and the pressing block is located in the finger cover. The inner side of the cover shell is slidably connected with the finger cover shell. There are two sliding blocks. The sliding blocks are distributed on the left and right sides of the pressing block and are fixedly connected with the pressing block. There are multiple springs. A plurality of the springs are divided into two groups and are respectively fixedly connected to the corresponding sliders. The pressure sensor is fixedly connected to the bottom of the pressing block. bottom fixed connection.

By adopting the above technical solution, the pressure and the pressing depth can be measured by using the detection mechanism.

Further, the inner side of the finger cover shell is provided with a chute, and the chute is matched with the slider.

By adopting the above technical solution, the sliding block and the chute can ensure the stable movement of the pressing block.

Further, the limiting mechanism includes a limiting plate, a rotary joint, a threaded rod, a torsion head and a rubber friction pad, the threaded rod is threadedly connected to the front side of the crossbar, the torsion head is fixedly connected to the front end of the threaded rod, and the The rotary joint is rotatably connected to the torsion head, one side of the restriction plate is fixedly connected to the rotary joint, and the rubber friction pad is fixedly connected to the other side of the restriction plate.

By adopting the above technical solution, the limit mechanism can be used to limit the horizontal bar and adjust the height.

Further, a groove is formed on the side of the horizontal bar directly in front of the vertical bar, the restriction plate is matched with the groove, and the restriction plate, the rubber friction pad and the rotary joint are all located in the groove.

By adopting the above technical solutions, the rotating torsion head and the threaded rod can drive the movement of the rubber friction pad and the limiting plate, exert pressure on the vertical rod and limit the movement of the horizontal rod.

Further, the main body of the displacement sensor, the pressure sensor, the moving part of the displacement sensor, the display screen, the buttons and the sound player are all electrically connected with a controller, and the controller adopts an 89C52 type single chip microcomputer.

Further, the finger cover shell is a cube whose middle part is penetrating through the upper and lower parts, the cross bar is provided with a through opening matching the finger cover shell, and the finger cover shell is located in the through hole.

By adopting the above technical solution, the upper and lower penetrations of the finger cover shell can make the pressing block move up and down to adjust the pressure.

Compared with the prior art, the above-mentioned technical scheme of the present utility model has the following beneficial technical effects:

In the utility model, the height of the cross bar can be adjusted by the limit mechanism through the setting of the cross bar, the detection mechanism and the limit mechanism, the weight is light, the body size is small, it can adapt to the needs of newborns of different sizes, and the operator can be trained. , during operation, the sound player will broadcast sound to remind, reduce mistakes, and enable the operator to operate and understand the chest compression operation of the newborn.

Other features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the present invention may be realized and attained by the structure particularly pointed out in the description and appended drawings.

Description of drawings:

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the overall structure schematic diagram of the present utility model;

2 is a schematic structural diagram of a detection mechanism of the present invention;

3 is a schematic top view of the structure of the limiting mechanism of the present invention;

Fig. 4 is the partial structure schematic diagram of the utility model

FIG. 5 is a schematic diagram of a pressure waveform of the present invention.

Reference numerals: 1. Examination bed; 2. Vertical bar; 3. Bottom block; 4. Cross bar; 5. Detection mechanism; , pressure sensor; 506, displacement sensor body; 507, displacement sensor moving part; 6, limit mechanism; 601, limit plate; 602, rotary joint; 603, threaded rod; 604, torsion head; 605, rubber friction pad; 7, Tested prosthesis; 8. Fixed frame; 9. Display screen; 10. Keys; 11. Controller; 12. Sound player; 13. Scale.

Detailed ways:

In order to make the purpose, technical solutions and advantages of the technical solutions of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments of the present invention. The same reference numbers in the figures represent the same parts. It should be noted that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-5, the present utility model proposes a chest compression operation training device for newborns, including an examination bed 1, and two vertical bars 2 are arranged on the top of the examination bed 1. A bottom block 3 is fixedly connected to the bottom, a horizontal bar 4 is slidably connected to the two vertical bars 2, a detection mechanism 5 is arranged on the horizontal bar 4, two limit mechanisms 6 are installed on the horizontal bar 4, and the examination bed 1 is placed with The tested prosthesis 7 has a fixed frame 8 installed in the tested prosthesis 7, a controller 11 is fixedly connected in the fixed frame 8, a display screen 9 is installed on the outside of the fixed frame 8, and a button 10 is installed on the outside of the fixed frame 8, A sound player 12 is installed on the outer side of the fixed frame 8 , and a scale 13 is provided on the vertical rod 2 .

The detection mechanism 5 includes a finger cover housing 501, a pressing block 502, a slider 503, a spring 504, a pressure sensor 505, a displacement sensor body 506 and a displacement sensor moving part 507. The finger cover housing 501 is fixed in the middle of the cross bar 4, and the pressing block 502 Located inside the finger cover housing 501 and slidably connected with the finger cover housing 501, there are two sliders 503, the sliders 503 are distributed on the left and right sides of the pressing block 502 and are fixedly connected with the pressing block 502, and the spring 504 is provided with A plurality of springs 504 are divided into two groups and are respectively fixedly connected to the corresponding sliders 503. The pressure sensor 505 is fixedly connected to the bottom of the pressing block 502. The displacement sensor main body 506 is installed in the finger cover housing 501. The bottom of the pressing block 502 is fixedly connected, and the detection mechanism 5 can be used to measure the pressure and the pressing depth.

The inner side of the finger cover housing 501 is provided with a chute, which matches the slider 503 , and the slider 503 and the chute can ensure the stable movement of the pressing block 502 .

The limiting mechanism 6 includes a limiting plate 601, a rotary joint 602, a threaded rod 603, a torsion head 604 and a rubber friction pad 605. The threaded rod 603 is threadedly connected to the front side of the crossbar 4, and the torsion head 604 is fixedly connected to the front end of the threaded rod 603. The joint 602 is rotatably connected to the torsion head 604, one side of the restricting plate 601 is fixedly connected to the rotating joint 602, and the rubber friction pad 605 is fixedly connected to the other side of the restricting plate 601. The crossbar 4 can be restricted and adjusted by the limit mechanism 6. high.

A groove is formed on the side of the horizontal bar 4 that is located in front of the vertical bar 2, the limiting plate 601 is matched with the groove, the limiting plate 601, the rubber friction pad 605 and the rotary joint 602 are all located in the groove, and the rotating torsion head 604, the threaded rod 603 can drive the rubber friction pad 605 and the movement of the restricting plate 601 to exert pressure on the vertical bar 2 to restrict the movement of the horizontal bar 4 .

The displacement sensor main body 506 , the pressure sensor 505 , the displacement sensor moving part 507 , the display screen 9 , the buttons 10 and the sound player 12 are all electrically connected to the controller 11 , and the controller 11 adopts an 89C52 single-chip microcomputer.

The finger cover shell 501 is a cube with the upper and lower parts of the middle part passing through. The cross bar 4 is provided with a through opening that matches the finger cover shell 501. The finger cover shell 501 is located in the through hole. Move up and down to adjust the pressure.

The specific embodiment is as follows: the tested prosthesis 7 is a group of simulated newborns, and the body shape is different according to the length of birth. When measuring the chest wall of the prosthesis 7, when the pressure sensor 505 detects that the existing pressure value is greater than the set value 1, the tested prosthesis 7 and the finger cover shell 501 fixed on it reach the initial position, and the controller 11 controls the sound player. 12 Make a sound to remind, at this time the operator rotates the threaded rod 603, the twist head 604 drives the rubber friction pad 605, and the movement of the restriction plate 601 exerts pressure on the vertical rod 2, which can fix the horizontal rod 4, and record and input the distance on the current scale 13 ;

Place the finger on the inside of the finger cover shell 501, push the pressing block 502 to move up and down to perform chest compression on the child, and detect the pressure waveform signal at the same time, when not pushing, the spring 504 drives the pressing block 502 to reset;

The controller 11 multiplies the measured distance between the anterior and posterior diameters of the patient's thorax by 1/3 as the appropriate compression depth, and the value ±0.5 cm is regarded as the normal range, and the pressure setting value 2 is regarded as the effective lower limit pressure for compression. This compression is effective and not accidental. When the pressure returns to the set value of 1, it is judged that the thorax has fully rebounded;

The controller 11 determines that when the pressure exceeds the set value 2, the pressing depth is within the set range, and the full rebound is a valid press, and the pressure sensor 505 exceeds the set value 1 as the start time of a valid press, and the full rebound The current compression frequency is calculated and displayed on the display screen 9. When the compression depth is not within the normal range or the chest does not fully rebound, the sound player 12 will give an alarm of "insufficient depth"/"exceeded depth"/" not fully rebounded".

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides an extrathoracic pressing operation trainer for neonate, includes inspection bed (1), its characterized in that, the top of inspection bed (1) is provided with two montants (2), two the bottom fixedly connected with bottom block (3) of montant (2), two sliding connection has horizontal pole (4) on montant (2), be provided with detection mechanism (5) on horizontal pole (4), install two stop gear (6) on horizontal pole (4), placed on inspection bed (1) and tested prosthesis (7), install fixed frame (8) in the prosthesis (7), fixedly connected with controller (11) in fixed frame (8), display screen (9) are installed in the outside of fixed frame (8), button (10) are installed in the outside of fixed frame (8), sound player (12) are installed in the outside of fixed frame (8), the vertical rod (2) is provided with scales (13).

2. The chest compression operation training device for the neonate of claim 1, wherein: the detection mechanism (5) comprises a finger stall casing (501), a pressing block (502), sliding blocks (503), springs (504), a pressure sensor (505), a displacement sensor main body (506) and a displacement sensor moving part (507), wherein the finger stall casing (501) is fixed in the middle of the cross bar (4), the pressing block (502) is positioned on the inner side of the finger stall casing (501) and is in sliding connection with the finger stall casing (501), two sliding blocks (503) are arranged, the sliding blocks (503) are distributed on the left side and the right side of the pressing block (502) and are fixedly connected with the pressing block (502), a plurality of springs (504) are arranged, the plurality of springs (504) are divided into two groups and are respectively fixedly connected with the corresponding sliding blocks (503), the pressure sensor (505) is fixedly connected with the bottom of the pressing block (502), and the displacement sensor main body (506) is installed in the finger stall casing (501), the displacement sensor moving part (507) is fixedly connected with the bottom of the pressing block (502).

3. The chest compression operation training device for the neonate of claim 2, wherein: the inner side of the finger stall shell (501) is provided with a sliding chute which is matched with the sliding block (503).

4. The chest compression operation training device for the neonate of claim 1, wherein: stop gear (6) are including limiting plate (601), rotary joint (602), threaded rod (603), turn round head (604) and rubber friction pad (605), threaded rod (603) and the front side threaded connection of horizontal pole (4), turn round the front end fixed connection of head (604) and threaded rod (603), rotary joint (602) with turn round head (604) and rotate and be connected, one side and rotary joint (602) fixed connection of limiting plate (601), rubber friction pad (605) and the opposite side fixed connection of limiting plate (601).

5. The chest compression operation training device for the neonate according to claim 4, wherein: one side that horizontal pole (4) are located montant (2) dead ahead is seted up flutedly, restriction board (601) and recess phase-match, restriction board (601), rubber friction pad (605) and rotary joint (602) all are located the recess.

6. The chest compression operation training device for the neonate of claim 2, wherein: the displacement sensor comprises a displacement sensor body (506), a pressure sensor (505), a displacement sensor moving part (507), a display screen (9), a key (10) and a sound player (12), which are electrically connected with a controller (11), wherein the controller (11) adopts an 89C52 type single chip microcomputer.

7. The chest compression operation training device for the neonate of claim 2, wherein: the fingerstall shell (501) is a cube with a middle part communicated up and down, a through hole matched with the fingerstall shell (501) is formed in the cross bar (4), and the fingerstall shell (501) is located in the through hole.

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