Handheld coil module for pelvic floor magnetic stimulation therapeutic apparatus
By designing a handheld coil module for pelvic floor magnetic stimulation therapy device, the problems of coil heat dissipation and mechanical deformation are solved using fireproof insulation materials and potting glue, achieving more efficient heat dissipation and more stable equipment operation.
Patent Information
- Application Number
- CN202420501339.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-03-15
AI Technical Summary
During the magnetic stimulation of the pelvic floor, the pulse current in the coil passes through, causing a large amount of heat to be generated, and the heat dissipation problem is more critical. At the same time, the deformation and mechanical sound caused by ampere force are relatively high.
A handheld coil module is designed, which is made of fire-proof and heat-insulated thermoplastic material, and four built-in bosses are used to position the coil. The coil is wound from copper pipes and is insulated. The cooling liquid is transferred through the water pipe joint. Fill the coil to take away heat and use potting glue to seal the inner space of the shell to reduce mechanical deformation.
It effectively reduces the increase in coil temperature, reduces the mechanical deformation and impact sound caused by ampere force, and improves the heat dissipation ability and the stability of the equipment.
Smart Images

Figure CN222517566U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a handheld coil module for a pelvic floor magnetic stimulation therapeutic instrument. Background Art
[0002] The pelvic floor magnetic stimulation device is used to treat pelvic floor dysfunction (PFD). It applies time-varying pulses to the pelvic floor, generates an induced electric field that acts on the pelvic floor nerves, causing a series of physiological and biochemical reactions, and completes pelvic floor rehabilitation treatment.
[0003] Conventional pelvic floor magnetic stimulation coils are composed of a single coil or a combination of a coil and a magnetic core. Due to the large pulse current passing through the coil during magnetic stimulation, the internal resistance of the coil itself will generate a lot of heat, and the heat dissipation problem is more critical. When the intensity and pulse number of stimulation are high, a lot of heat is generated, causing the coil temperature to rise over time, and a large Ampere force is generated in the coil during pulse stimulation, causing the coil to deform and produce a large mechanical sound. Utility Model Content
[0004] The purpose of the utility model is to provide a handheld coil module for a pelvic floor magnetic stimulation therapeutic device, so as to solve the problem proposed in the above-mentioned background technology that during the magnetic stimulation process, a large pulse current passes through the coil, and the internal resistance of the coil itself will generate a large amount of heat. The heat dissipation problem is more critical. When stimulating with a higher intensity and pulse number, a large amount of heat is generated, causing the coil temperature to rise over time, and a large Ampere force is generated in the coil during stimulation, resulting in a large mechanical sound.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a handheld coil module for a pelvic floor magnetic stimulation therapeutic instrument, comprising a shell, a boss fixedly connected to the surface of the shell, a pillar fixedly connected to the surface of the shell, a coil abutted against the surface of the boss, a circular hole opened in the center of the coil, a connecting block fixedly connected to the surface of the coil, a wire connector fixedly connected to the surface of the connecting block, a water pipe connector fixedly connected to the surface of the connecting block, an insulating sleeve sleeved on the surface of the coil, the interior of the shell is filled with potting glue, a cover plate fixedly connected to the top of the shell, a fixed block fixedly connected to the surface of the cover plate, a plug-in plate plugged into the bottom of the fixed block, a hand screw threadedly connected to the surface of the plug-in plate, a support rod fixedly connected to the surface of the support rod, and an anti-slip sleeve sleeved on the surface of the support rod.
[0006] Preferably, the boss is cylindrical, and the boss separates the coil from the housing.
[0007] Preferably, the pillar is cylindrical, and the diameter of the pillar is consistent with the diameter of the circular hole in the center of the coil.
[0008] Preferably, the coil is wound by a copper tube, the coil is in the shape of a mosquito coil, the wire connector is composed of multiple turns of wire, and the coil, the wire connector and the water pipe connector are welded together on the connecting block.
[0009] Preferably, a first groove is provided on the surface of the cover plate, a second groove is provided on the surface of the plug plate, the hand screw passes through the first groove and the second groove to fix the cover plate and the plug plate together, a third groove is provided on the bottom of the fixing block, and the plug plate is plugged into the fixing block through the third groove.
[0010] Preferably, a groove four is provided on the top of the fixing block, the bottom of the support rod can slide in the groove four, and a diamond-shaped anti-sliding block is provided on the surface of the hand screw.
[0011] Preferably, the anti-slip cover is made of rubber and has a wavy surface.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The shell contains four bosses for positioning the coil and facilitating potting. The shell is made of fireproof and heat-insulating thermoplastic material. The coil is wound with a copper tube in the shape of a mosquito coil. The outside of the coil is covered with a high-voltage resistant insulating sleeve. The inner diameter of the copper tube used in the coil is obtained through calculation to ensure that compared with solid copper wire, there is no obvious increase in impedance at the working frequency. The coolant is poured into the coil through the water pipe joint to take away the Joule heat generated in the coil.
[0014] 2. The internal space of the shell is completely sealed and isolated by potting glue. The high-strength, non-heat-conductive potting glue is potted into the shell under vacuum. The material is high-strength epoxy resin, which can effectively reduce mechanical collisions during work, fix the position of the coil, and block the deformation of the coil caused by the Ampere force, which can effectively reduce the mechanical deformation and impact sound of the coil caused by the Ampere force. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a three-dimensional exploded schematic diagram of the structure of the utility model;
[0017] Figure 3 It is a top perspective schematic diagram of the structure of the housing and coil of the utility model;
[0018] Figure 4 It is a side perspective schematic diagram of the coil and connecting block structure of the utility model;
[0019] Figure 5 It is a schematic diagram of the structure of the coil of the utility model from a side view;
[0020] Figure 6 It is a schematic exploded perspective view of the structure of the plug board and the support rod of the utility model.
[0021] In the figure: 1. outer shell; 2. boss; 3. pillar; 4. coil; 5. insulating sleeve; 6. connecting block; 7. wire connector; 8. water pipe connector; 9. potting glue; 10. cover plate; 11. fixing block; 12. plug-in plate; 13. hand screw; 14. support rod; 15. anti-slip sleeve. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-6 , an embodiment provided by the utility model:
[0024] A handheld coil module for a pelvic floor magnetic stimulation therapeutic device comprises a shell 1, a boss 2 is fixedly connected to the surface of the shell 1, a pillar 3 is fixedly connected to the surface of the shell 1, a coil 4 is abutted and connected to the surface of the boss 2, a circular hole is provided in the center of the coil 4, a connecting block 6 is fixedly connected to the surface of the coil 4, a wire connector 7 is fixedly connected to the surface of the connecting block 6, a water pipe connector 8 is fixedly connected to the surface of the connecting block 6, an insulating sleeve 5 is sleeved on the surface of the coil 4, a potting glue 9 is filled inside the shell 1, and a cover plate 10 is fixedly connected to the top of the shell 1. A fixing block 11 is fixedly connected to the surface of the cover plate 10, a plug plate 12 is plugged into the bottom of the fixing block 11, a hand screw 13 is threadedly connected to the surface of the plug plate 12, a support rod 14 is fixedly connected to the surface of the plug plate 12, a non-slip sleeve 15 is sleeved on the surface of the support rod 14, the outer shell 1 is made of fireproof and heat-insulating thermoplastic material, coolant is poured into the coil 4 through the water pipe joint 8 to take away the Joule heat generated in the coil 4, and the potting glue 9 completely seals and isolates the internal space of the outer shell 1, which can effectively reduce the mechanical deformation and impact sound caused by the Ampere force.
[0025] Furthermore, the boss 2 is cylindrical, and the boss 2 separates the coil 4 from the housing 1. The heat generated by the coil 4 after being energized is more difficult to be conducted to the housing 1, thereby improving the heat insulation performance.
[0026] Furthermore, the support 3 is cylindrical, and the diameter of the support 3 is consistent with the diameter of the circular hole in the center of the coil 4. The coil 4 is sleeved on the support 3 and cooperates with the boss 2 to facilitate positioning and fixing the coil 4.
[0027] Furthermore, the coil 4 is wound by a copper tube, the coil 4 is in the shape of a mosquito coil, the wire connector 7 is composed of multiple turns of wire, and the coil 4, the wire connector 7 and the water pipe connector 8 are welded together on the connecting block 6, thereby enhancing the heat dissipation capacity of the coil 4.
[0028] Furthermore, a groove one is provided on the surface of the cover plate 10, and a groove two is provided on the surface of the plug plate 12. The hand screw 13 passes through the groove one and the groove two to fix the cover plate 10 and the plug plate 12 together. A groove three is provided at the bottom of the fixed block 11, and the plug plate 12 is plugged and connected to the fixed block 11 through the groove three. By installing and removing the hand screw 13, the effect of freely disassembling and assembling the support rod 14 can be achieved. Under the action of the groove three, the plug plate 12 can slide in the fixed block 11, which is convenient for storage.
[0029] Furthermore, a groove four is provided on the top of the fixing block 11, and the bottom of the support rod 14 can slide in the groove four. A diamond-shaped anti-sliding block is provided on the surface of the hand screw 13. The diamond-shaped anti-sliding block can be used to manually load and unload the hand screw 13, simplifying the use steps of the device.
[0030] Furthermore, the anti-slip cover 15 is made of rubber and has a wavy surface. The use of rubber increases friction, and the wavy shape better fits the shape of fingers, making it easier to hold and less likely to get loose.
[0031] Working principle: The cooling device of the magnetic stimulation device is connected to the coil 4 through the water pipe joint 8, and the coil driving device is connected to the coil 4 through the wire joint 7. Unscrew the hand screw 13, insert the plug plate 12 into the groove at the bottom of the fixed block 11 to the appropriate position, screw on the hand screw 13, hold the anti-slip cover 15, turn on the power, during the stimulation process, a pulse current is generated in the coil 4, triggering a pulse magnetic field to complete the task of rehabilitation treatment, the potting glue 9 fixes the position of the coil 4, and the coolant enters the inner cavity of the coil 4 through the water pipe joint 8. After the treatment is completed, unscrew the hand screw 13, and the plug plate 12 is pulled out of the groove of the fixed block 11 through the support rod 14, completing the free disassembly and storage of the support rod 14. The internal space of the housing 1 is completely closed by the potting glue 9, isolating the heat generated by the coil 4 when the power is turned on, and at the same time preventing the deformation of the coil 4 caused by the Ampere force. When the coil 4 generates a magnetic field, the coolant is poured in to take away the Joule heat generated in the coil 4.
[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A handheld coil module for a pelvic floor magnetic stimulation therapeutic device, comprising a housing (1), characterized in that: The surface of the shell (1) is fixedly connected with a boss (2), the surface of the shell (1) is fixedly connected with a pillar (3), the surface of the boss (2) is abutted with a coil (4), the center of the coil (4) is provided with a circular hole, the surface of the coil (4) is fixedly connected with a connection block (6), the surface of the connection block (6) is fixedly connected with a wire connector (7), the surface of the connection block (6) is fixedly connected with a water pipe connector (8), the surface of the coil (4) is sleeved with an insulating sleeve (5), the interior of the shell (1) is filled with potting glue (9), the top of the shell (1) is fixedly connected with a cover plate (10), the surface of the cover plate (10) is fixedly connected with a fixed block (11), the bottom of the fixed block (11) is plugged with a plug plate (12), the surface of the plug plate (12) is threadedly connected with a hand screw (13), the surface of the plug plate (12) is fixedly connected with a support rod (14), and the surface of the support rod (14) is sleeved with an anti-slip sleeve (15).
2. A handheld coil module for a pelvic floor magnetic stimulation therapeutic apparatus according to claim 1, characterized in that: The boss (2) is cylindrical and separates the coil (4) from the housing (1).
3. A handheld coil module for a pelvic floor magnetic stimulation therapeutic apparatus according to claim 1, characterized in that: The support (3) is cylindrical, and the diameter of the support (3) is consistent with the diameter of the circular hole in the center of the coil (4).
4. A handheld coil module for a pelvic floor magnetic stimulation therapeutic apparatus according to claim 1, characterized in that: The coil (4) is wound from a copper tube and is in the shape of a mosquito coil. The wire connector (7) is composed of multiple turns of wire. The coil (4) is welded together with the wire connector (7) and the water pipe connector (8) on a connection block (6).
5. The handheld coil module for a pelvic floor magnetic stimulation therapeutic apparatus according to claim 1, characterized in that: The surface of the cover plate (10) is provided with a first groove, the surface of the plug plate (12) is provided with a second groove, the hand screw (13) passes through the first groove and the second groove to fix the cover plate (10) and the plug plate (12) together, the bottom of the fixing block (11) is provided with a third groove, and the plug plate (12) is plugged and connected to the fixing block (11) through the third groove.
6. A handheld coil module for a pelvic floor magnetic stimulation therapeutic apparatus according to claim 1, characterized in that: A groove four is provided on the top of the fixing block (11), and the bottom of the support rod (14) can slide in the groove four. A diamond-shaped anti-sliding block is provided on the surface of the hand screw (13).
7. A handheld coil module for a pelvic floor magnetic stimulation therapeutic apparatus according to claim 1, characterized in that: The anti-slip cover (15) is made of rubber and has a wavy surface.