Muscle contraction stimulation equipment convenient to observe
By designing a muscle contraction stimulation device that is easy to observe and using a lens to enlarge the experimental area, the problem that existing equipment is inconvenient for students to observe is solved and the teaching effect is improved.
Patent Information
- Application Number
- CN202421962053.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-14
AI Technical Summary
When the existing muscle contraction stimulation experimental equipment is operated on the laboratory bench, it is not convenient for students to observe carefully, limiting the teaching effect.
A muscle contraction stimulation device for easy observation was designed, and the experimental area was enlarged through a lens, and combined with the design of the electric stimulation component and the operating plate, the magnification observation of the experimental area was achieved.
By enlarging the experimental area, students can conduct detailed observations, which improves the teaching effect of muscle contraction stimulation experiments.
Smart Images

Figure CN222995015U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of biomedical teaching experimental equipment, in particular to a muscle contraction stimulation device convenient for observation. Background Technique
[0002] In the teaching process of disciplines such as biomedicine, exercise physiology, and rehabilitation medicine, the muscle contraction stimulation experiment is an indispensable practical link. This experiment not only helps students intuitively understand the reaction mechanism of muscles when subjected to external stimuli, but also deepens their understanding of key concepts such as the function of neuromuscular junctions, muscle mechanical properties, and the muscle fatigue process.
[0003] In the existing muscle contraction stimulation experiment, it is usually necessary to place the frog leg to be experimented on the experimental table, and then observe the contraction reaction of the frog leg under the electric stimulation by applying electric current to the frog leg. However, when operating on the experimental table, it is not convenient for students to conduct detailed observations, which limits the teaching effect and is rather inconvenient.
[0004] Therefore, a muscle contraction stimulation device convenient for observation is now developed, which can magnify the experimental area through a lens, facilitating students to conduct detailed observations and improving the teaching effect of the muscle contraction stimulation experiment. Content of the Utility Model
[0005] In order to overcome the disadvantages that in the existing muscle contraction stimulation experiment, when operating on the experimental table, it is not convenient for students to conduct detailed observations, which limits the teaching effect and is rather inconvenient, the utility model provides a muscle contraction stimulation device convenient for observation, which can magnify the experimental area through a lens, facilitating students to conduct detailed observations and improving the teaching effect of the muscle contraction stimulation experiment.
[0006] A muscle contraction stimulation device convenient for observation includes an operation box, a transparent plate, a sliding groove, a lens, and an electric stimulation component. Transparent plates are connected to the left, middle, and right parts at the back of the operation box, sliding grooves are connected to the left, middle, and right sides at the back of the operation box, a lens is slidably connected in the sliding groove, and an electric stimulation component capable of conducting an electric stimulation experiment is provided on the operation box.
[0007] Furthermore, it also includes a pull rod, a connecting plate, an operation plate, and a fastener. The pull rod is slidably connected to the upper side at the back of the operation box, the lower side of the pull rod is connected to the connecting plate, the front side of the connecting plate is connected to the operation plate, and two left and right fasteners are threadedly connected to the upper side of the operation box.
[0008] Furthermore, anti-slip patterns are formed on the fastener.
[0009] Furthermore, the operation plate is made of a magnetic material.
[0010] Further description: It also includes a magnet and a pressing strip. There are two groups of left and right magnets adsorbed on the upper side of the operation board. Each group consists of two left and right magnets, and a pressing strip is connected between the magnets in the same group.
[0011] Further description: The electric stimulation component includes a controller, electric wires and contact heads. The controller is connected to the upper side of the operation box. Electric wires are connected to the front sides of the left and right parts of the controller. The electric wires all pass through the operation box, and contact heads are connected to the lower sides of the electric wires.
[0012] The beneficial effects of the present utility model are as follows: By pressing the frog leg tightly on the operation board for the electric stimulation experiment, and at the same time adjusting the lens to slide in the chute, the experimental area is magnified through the lens, achieving the effect of being able to magnify the experimental area through the lens, facilitating students to observe carefully and improving the teaching effect of the muscle contraction stimulation experiment. Description of the Drawings
[0013] Figure 1 It is the first three-dimensional structure schematic diagram of the present utility model.
[0014] Figure 2 It is the second three-dimensional structure schematic diagram of the present utility model.
[0015] Figure 3 It is the third three-dimensional structure schematic diagram of the present utility model.
[0016] Marks in the drawings: 1: operation box, 2: transparent plate, 3: chute, 4: lens, 5: pull rod, 6: connecting plate, 7: operation board, 8: magnet, 9: pressing strip, 10: controller, 11: electric wire, 12: contact head, 13: fastener. Specific Embodiments
[0017] The present utility model will be further described below in conjunction with specific embodiments. The illustrative embodiments and descriptions of this utility model are used to explain the present utility model, but not to limit the present utility model.
[0018] A muscle contraction stimulation device convenient for observation, as Figure 1 and Figure 2 shown, includes an operation box 1, a transparent plate 2, a chute 3, a lens 4 and an electric stimulation component. Transparent plates 2 are connected to the left, right and rear three parts of the operation box 1. Chutes 3 are connected to the left, right and rear three sides of the operation box 1. A lens 4 is slidably connected in the chute 3. An electric stimulation component is provided on the operation box 1.
[0019] As Figure 3As shown in the figure, it further includes a pull rod 5, a connecting plate 6, an operation plate 7 and a fastener 13. The upper side of the rear part of the operation box 1 is slidably connected with a pull rod 5. The lower side of the pull rod 5 is connected with a connecting plate 6. The front side of the connecting plate 6 is connected with an operation plate 7. The operation plate 7 is made of magnetic material. On the upper side of the operation box 1, there are two left and right fasteners 13 connected by threads. The fasteners 13 are provided with anti-slip lines for easy rotation.
[0020] As Figure 3 shown in the figure, it further includes a magnet 8 and a pressing strip 9. On the upper side of the operation plate 7, there are two groups of left and right magnets 8 adsorbed. Each group is composed of two left and right magnets 8. A pressing strip 9 is connected between the magnets 8 in the same group.
[0021] As Figure 1 and Figure 3 shown in the figure, the electric stimulation component includes a controller 10, a wire 11 and a contact 12. The controller 10 is connected to the upper side of the operation box 1. On the front sides of the left and right parts of the controller 10, wires 11 are connected. The wires 11 all pass through the operation box 1. The lower sides of the wires 11 are all connected with contacts 12.
[0022] When using the present utility model, first place the operation box 1 in the experimental area of muscle contraction stimulation, then place the frog leg to be experimented on the operation plate 7. Then, adsorb the magnet 8 on the operation plate 7, and press the frog leg to be experimented tightly and fixed on the operation plate 7 through the pressing plate. Then, pull the wire 11 to make the contact 12 contact with the frog leg, and then control the contact 12 to perform electric stimulation on the frog leg through the controller 10, and observe the contraction reaction of the frog leg under the current stimulation. When conducting the muscle contraction stimulation experiment, the experimental students can observe through the upward transparent plate 2, and can adjust the lens 4 to slide in the chute 3, and magnify the experimental area through the lens 4, which is convenient for magnifying observation of the muscle contraction experiment. By loosening the fastener 13 and pulling the pull rod 5 to slide on the operation box 1, the connecting plate 6 moves, driving the operation plate 7 to be adjusted to a convenient height for observation, and then tightening the fastener 13 to fix the pull rod 5, so that the operation plate 7 is fixed at the specified height, thus playing the role of being able to magnify the experimental area through the lens 4, facilitating the students to observe carefully and improving the teaching effect of the muscle contraction stimulation experiment.
[0023] Although the present disclosure has been described only with respect to a limited number of embodiments, those skilled in the art who benefit from the present disclosure will understand that various other embodiments can be designed without departing from the scope of the present utility model. Therefore, the scope of the present utility model should be limited only by the appended claims.
Claims
1. A muscle contraction stimulation device that is easy to observe, characterized in that: The invention comprises an operation box (1), a transparent plate (2), a slide groove (3), a lens (4) and an electrical stimulation component. The three parts of the rear left and right of the operation box (1) are connected to the transparent plate (2). The three sides of the rear left and right of the operation box (1) are connected to the slide groove (3). The lens (4) is slidably connected in the slide groove (3). The operation box (1) is provided with an electrical stimulation component capable of conducting an electrical stimulation experiment.
2. A muscle contraction stimulation device for convenient observation according to claim 1, characterized in that: It also includes a pull rod (5), a connecting plate (6), an operating panel (7) and a fastener (13); the upper rear side of the operating box (1) is slidably connected to the pull rod (5); the lower side of the pull rod (5) is connected to the connecting plate (6); the front side of the connecting plate (6) is connected to the operating panel (7); and the upper side of the operating box (1) is threadedly connected to two left and right fasteners (13).
3. A muscle contraction stimulation device for convenient observation according to claim 2, characterized in that: The fastener (13) is provided with anti-skid grooves.
4. A muscle contraction stimulation device for convenient observation according to claim 2, characterized in that: The operating panel (7) is made of magnetic material.
5. A muscle contraction stimulation device for convenient observation according to claim 2, characterized in that: It also comprises a magnet (8) and a pressure strip (9). Two groups of left and right magnets (8) are adsorbed on the upper side of the operation panel (7). Each group consists of two left and right magnets (8). The pressure strip (9) is connected between the magnets (8) in the same group.
6. A muscle contraction stimulation device for convenient observation according to claim 1, characterized in that: The electrical stimulation component comprises a controller (10), an electric wire (11) and a contact (12); the upper side of the operation box (1) is connected to the controller (10); the front sides of the left and right parts of the controller (10) are both connected to the electric wire (11); the electric wire (11) passes through the operation box (1); and the lower sides of the electric wire (11) are both connected to the contact (12).