CN117180628A - Backbone fuses eyelidretractor based on PEMF pulse electromagnetic field - Google Patents
Backbone fuses eyelidretractor based on PEMF pulse electromagnetic field Download PDFInfo
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- CN117180628A CN117180628A CN202311157791.4A CN202311157791A CN117180628A CN 117180628 A CN117180628 A CN 117180628A CN 202311157791 A CN202311157791 A CN 202311157791A CN 117180628 A CN117180628 A CN 117180628A
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Abstract
The application provides a backbone fusion support device based on PEMF pulse electromagnetic fields, wherein a first PEMF pulse electromagnetic field emission coil in a front support device and a second PEMF pulse electromagnetic field emission coil in a rear support device in the backbone fusion support device are coils with the same property, so that a Helmholtz coil is formed, the Helmholtz coil can generate a larger magnetic field uniformity range and uniformity than a single coil, and meanwhile, the Helmholtz coil has the characteristic of low magnetic leakage; the magic tape passes anterior strutting arrangement, strengthening rib and rear portion strutting arrangement setting in proper order, many strengthening ribs laminating human lumbar vertebra part atress points form triangle-shaped, play effectual supporting role to human backbone, can provide stronger supportability, effectively alleviate backbone atress, through restricting backbone activity in a certain limit in order to reduce pain and the discomfort that the motion produced, help the patient to maintain the physiology curvature of backbone, can increase backbone fusion rate simultaneously, reduce the emergence of subsequent complication.
Description
Technical Field
The application belongs to the technical field of medical appliances, and particularly relates to a spinal fusion support device based on a PEMF pulse electromagnetic field.
Background
Pulsed electromagnetic fields (PEMFs) are magnetic fields that are generated using alternating electrical currents. When alternating current passes through the coil, an alternating magnetic field is generated which penetrates human tissue, and the alternating magnetic field can penetrate the tissue without intensity attenuation, and can penetrate cell membranes to change the electric field inside the cell membranes so as to induce biological changes. In particular, it is possible to induce the outflow of calcium ions, thereby regulating various biological effects such as growth factor secretion and extracellular signal-regulated kinase (ERK), etc., and further promoting the differentiation of human bone marrow stromal cells (hBMSCs) into osteoblasts, thereby improving spinal fusion rate. PEMFs, on the other hand, are also used primarily to promote bone healing, relieve pain, increase blood circulation, and promote tissue repair. PEMF can exert a variety of effects on cells by adjusting parameters such as frequency and intensity of electromagnetic fields, including promoting cell metabolism, increasing oxygen supply, promoting cell proliferation, and reducing inflammatory responses. Currently, the frequency and intensity of the pulse electromagnetic field applied to spinal fusion treatment and other parameters are determined by no clear mechanism.
Spinal fusion using pulsed electromagnetic fields (PEMFs) has been widely used and practiced. At present, most of pulse electromagnetic field devices for treating spinal fusion are large-scale devices, patients need to be treated in supine, sitting and other postures, and the comfort and convenience of the patients can not be well ensured due to longer treatment time. The current wearable device for spinal fusion treatment based on pulse electromagnetic field (PEMF) only plays a role in fixing a coil on a human body, does not play a role in supporting the human body, does not realize the physiological curvature of the spine, does not play a role in better assisting spinal fusion, is poor in comfort and needs improvement.
Disclosure of Invention
The application provides a spinal fusion support device based on a PEMF pulse electromagnetic field, which can solve the problems that the existing wearable device for spinal fusion treatment based on the pulse electromagnetic field (PEMF) only plays a role of fixing a coil on a human body, does not play a role of supporting the human body, does not realize the maintenance of the physiological curvature of the spinal column, does not play a good auxiliary role on spinal fusion and has poor comfort.
In order to solve the problems, the technical scheme provided by the application is as follows:
the embodiment of the application provides a spinal fusion support device based on a PEMF pulse electromagnetic field, which comprises a front support device (11), a rear support device (12) and a magic tape (2), wherein the front support device (11) and the rear support device (12) are of annular structures; the front support device comprises a front support device and is characterized in that a first fixing hole (111) and a second fixing hole (112) are respectively formed in two sides of the front support device (11), a third fixing hole (121) and a fourth fixing hole (122) are respectively formed in two sides of the rear support device (12), a plurality of adjusting buckles (3) are arranged on the magic tape (2), and the magic tape (2) sequentially penetrates through the first fixing hole (111), the second fixing hole (112), the third fixing hole (121) and the fourth fixing hole (122) to adjust and fix the front support device (11) and the rear support device (12);
the front support device (11) is connected with the control device (5), a first PEMF pulse electromagnetic field transmitting coil (113) is arranged in the front support device (11), and a second PEMF pulse electromagnetic field transmitting coil (123) is arranged in the rear support device (12); the first PEMF pulse electromagnetic field transmitting coil (113) and the second PEMF pulse electromagnetic field transmitting coil (123) are respectively and electrically connected with the control device (5) so as to transmit PEMF pulse electromagnetic fields;
the control device (5) comprises a chargeable mobile power supply (51), a voltage stabilizer (52), a main control circuit (53), a signal processing module (54), a signal output module (55) and a display panel (56), wherein the main control circuit (53) comprises a main controller (531), a reset module (532) and a human-computer interaction module (533); the input end of the voltage stabilizer (52) is electrically connected with the chargeable mobile power supply (51), the output end of the voltage stabilizer (52) is electrically connected with the main control circuit (53), the main control circuit (53) is electrically connected with the signal processing module (54), the signal processing module (54) is controlled by a main controller (531) of the main control circuit (53), the output end of the signal processing module (54) is electrically connected with the signal output module (55), the signal output module (55) is used for further processing signals, and the signal output module (55) is electrically connected with the first PEMF pulse electromagnetic field transmitting coil and the second PEMF pulse electromagnetic field transmitting coil and transmits corresponding PEMF pulse electromagnetic fields to treat spinal fusion; meanwhile, the input end of the display panel (56) is electrically connected with the main control circuit (53) to display the treatment information of the control device (5) in real time.
According to an alternative embodiment of the application, a plurality of reinforcing support ribs (125) are arranged in the annular space of the rear support device (12), and when the spinal fusion support device wears the waist of a human body, the reinforcing support ribs (125) are attached to stress points of lumbar vertebrae of the human body to form a triangle, so that an effective support effect on the spinal column of the human body is achieved.
According to an alternative embodiment of the application, first fastening means (114) for fixing said first PEMF pulse electromagnetic field emission coil (113) are provided inside said front support (11); a second fastening device (124) for fixing the second PEMF pulse electromagnetic field transmitting coil (123) is arranged in the rear supporting device (12), and the first fastening device (114) and the second fastening device (124) are bands, buckles or annular supports.
According to an alternative embodiment of the present application, the first hanging ear structure and the second hanging ear structure are respectively arranged at two sides of the front supporting device (11), the first fixing hole (111) and the second fixing hole (112) are respectively arranged on the first hanging ear structure and the second hanging ear structure, the third hanging ear structure and the fourth hanging ear structure are respectively arranged at two sides of the rear supporting device (12), and the third fixing hole (121) and the fourth fixing hole (122) are respectively arranged on the third hanging ear structure and the fourth hanging ear structure.
According to an alternative embodiment of the application, the magic tape (2) is made of a high-strength and high-toughness material.
According to an alternative embodiment of the present application, the first PEMF pulse electromagnetic field transmitting coil (113) and the second PEMF pulse electromagnetic field transmitting coil (123) are both coils of the same nature.
According to an alternative embodiment of the application, a first annular guide groove is arranged in the front supporting device (11), and the first PEMF pulse electromagnetic field transmitting coil (113) is embedded in the first annular guide groove; a second annular guide groove is formed in the rear supporting device (12), and the second PEMF pulse electromagnetic field transmitting coil (123) is embedded in the second annular guide groove.
According to an alternative embodiment of the present application, the cross-sectional shapes of the first annular guide groove and the second annular guide groove are square, U-shaped or irregular.
Compared with the prior art, the application has the following beneficial effects: (1) Because the parameters of the prior spinal fusion treatment equipment cannot be determined by a definite mechanism, the application analyzes and researches the parameters and the curative effect of the prior equipment to obtain parameters related to waveform, frequency, magnetic field intensity, pulse time and the like, and can improve the spinal fusion rate by the stimulation treatment of a pulse electromagnetic field. (2) Because one part of the current spinal fusion treatment equipment is large-sized immovable equipment, the other part of the equipment needs to be connected with 220V for power supply, a patient needs to be treated in a fixed place and can keep a posture for a long time during treatment, so that the comfort is poor, and other activities can not be performed during treatment, so that the convenience is poor. Therefore, the application does not need large-scale electronic components, can be miniaturized to be wearable, can be worn on the body by a patient, does not need to be limited by a specific site for treatment, can engage in other activities during the wearing period, and improves the treatment flexibility and convenience of the patient. In addition to the flexibility and convenience of the wearable therapeutic device, patients are more likely to follow treatment plans and recommendations, which can significantly improve patient treatment compliance, thereby increasing the effectiveness and success rate of treatment; wearable therapeutic devices can be relatively hidden from the excessive attention of others, which is particularly important for some patients suffering from mental stress or social anxiety, who can wear the therapeutic device in daily life without drawing attention of others. (3) Because the structure of the prior wearable device for treating spinal fusion only fixes the coil on a patient, the comfort level is poor and the support performance is poor, the application adopts the reinforced support rib and the wrapping front and rear support frames to conform to the human engineering, and the application conforms to the physiological curve of the human body, can support personalized adjustment, can carry out personalized adjustment according to the specific condition and the requirement of the patient, can provide stronger support performance, effectively lighten the spinal stress, and can reduce pain and discomfort caused by movement by limiting spinal activity within a certain range, help the patient maintain the physiological curvature of the spinal, and can increase the spinal fusion rate and reduce the occurrence of subsequent complications. (4) Because most of coils contained in the existing wearable spinal fusion therapeutic apparatus are single coils or a plurality of coils with disordered shapes, the application adopts two coils to form a Helmholtz coil, the Helmholtz coil can generate a larger magnetic field uniformity range and uniformity than a single coil, and meanwhile, the Helmholtz coil has the characteristic of low magnetic leakage.
Drawings
In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 and 2 are schematic structural views of a spinal fusion support device based on PEMF pulse electromagnetic fields according to an embodiment of the present application.
Fig. 3 is a schematic structural view of a front supporting device according to an embodiment of the present application.
Fig. 4 and 5 are cross-sectional views of a front support device according to an embodiment of the present application.
Fig. 6 is a schematic structural view of a rear supporting device according to an embodiment of the present application.
Fig. 7 and 8 are cross-sectional views of a rear support device according to an embodiment of the present application.
Fig. 9 is a schematic block diagram of a control device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. In the present application, "/" means "or" in the meaning. In the drawings, like elements are denoted by the same reference numerals, and broken lines in the drawings indicate that they are not present in the structure, and only the shape and position of the structure are described. The present application may repeat reference numerals and/or letters in the various examples, and this repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
As shown in fig. 1 to 7, an embodiment of the present application provides a spinal fusion support device based on PEMF pulsed electromagnetic fields. The spinal fusion support device 1 comprises a front support device 11, a rear support device 12 and a magic tape 2, wherein the front support device 11 and the rear support device 12 are of annular structures.
As shown in fig. 1, 2, 3 and 6, the front support 11 is provided at both sides with a first fixing hole 111 and a second fixing hole 112, respectively, and the rear support 12 is provided at both sides with a third fixing hole 121 and a fourth fixing hole 122, respectively. The hook and loop fastener 2 is provided with a plurality of adjustment buckles 3, and the hook and loop fastener 2 sequentially passes through the first fixing hole 111, the second fixing hole 112, the third fixing hole 121 and the fourth fixing hole 122 to adjust and fix the front supporting device 11 and the rear supporting device 12. The two sides of the front supporting device 11 in this embodiment are respectively provided with a first hanging structure and a second hanging structure, the first fixing hole 111 and the second fixing hole 112 are respectively provided on the first hanging structure and the second hanging structure, the two sides of the rear supporting device 12 are respectively provided with a third hanging structure and a fourth hanging structure, and the third fixing hole 121 and the fourth fixing hole 122 are respectively provided on the third hanging structure and the fourth hanging structure.
As shown in fig. 4, 5, 7 and 8, the control device 5 is provided on the front support device 11, the first PEMF pulse electromagnetic field emission coil 113 is provided inside the front support device 11, and the second PEMF pulse electromagnetic field emission coil 123 is provided inside the rear support device 12. The first PEMF pulse electromagnetic field transmitting coil 113 and the second PEMF pulse electromagnetic field transmitting coil 123 are electrically connected to the control apparatus 5, respectively, to transmit PEMF pulse electromagnetic fields.
As shown in fig. 9, the control device 5 includes a chargeable mobile power supply 51, a voltage regulator 52, a main control circuit 53, a signal processing module 54, a signal output module 55, and a display panel 56. The main control circuit 53 comprises a main controller 531, a reset module 532 and a man-machine interaction module 533; the input end of the voltage stabilizer 52 is electrically connected to the rechargeable portable power source 51, and the rechargeable portable power source 51 is charged through the charging socket to supply the control device 5 for operation. The output end of the voltage stabilizer 52 is electrically connected with the main control circuit 53, the main control circuit 53 is electrically connected with the signal processing module 54, the signal processing module 54 is controlled by the main controller 531 of the main control circuit 53, the output end of the signal processing module 54 is electrically connected with the signal output module 55, the signal output module 55 is further processed by the signal, and the signal output module 55 is electrically connected with the first PEMF pulse electromagnetic field transmitting coil 113 and the second PEMF pulse electromagnetic field transmitting coil 123 to transmit corresponding PEMF pulse electromagnetic fields for treatment; meanwhile, the input end of the display panel 56 is connected with the main control circuit 53, and the treatment information of the control device 5 is displayed in real time. The present embodiment implements the final spinal fusion treatment based on PEMF pulsed electromagnetic fields by adjusting and setting the human-computer interaction module 533. The application carries out analysis and research based on the parameters and curative effect of the existing equipment, obtains the parameters related to waveform, frequency, magnetic field intensity, pulse time and the like, and can improve the spinal fusion rate through the stimulation treatment of the pulse electromagnetic field.
In fig. 1 in combination with fig. 7, a plurality of reinforcing support ribs 125 are provided in the annular space of the rear support 12. When the spinal fusion support device wears the waist of the human body, the plurality of reinforcing support ribs 125 are attached to the stress points of the lumbar part of the human body to form a triangle, so that an effective support effect on the spinal column of the human body is achieved. The hook and loop fastener tape 2 sequentially passes through the first fixing hole 111, the second fixing hole 112, the third fixing hole 121, the plurality of reinforcing support ribs 125, and the fourth fixing hole 122 to adjust and fix the front support 11 and the rear support 12. Specifically, the front supporting device 11 and the rear supporting device 12 are worn to the proper positions, the reinforcing supporting ribs 125 conform to the physiological curvature of the human body, the hook and loop fasteners 2 and the adjusting buckles 3 are matched for proper fastening force adjustment and fit with the lumbar vertebra of the human body, and part of stress points form a triangle, so that an effective supporting effect on the spine is achieved. The magic tape 2 is preferably made of a high-strength and high-toughness material.
The spinal fusion support device is wearable without large electronic components, can be miniaturized to be wearable, can be worn on a patient without being limited by a specific site for treatment, can be used for other activities during the wearing period, and improves the treatment flexibility and convenience of the patient. In addition to the flexibility and convenience of the wearable therapeutic device, patients are more likely to follow treatment plans and recommendations, which can significantly improve patient treatment compliance, thereby increasing the effectiveness and success rate of treatment; wearable therapeutic devices can be relatively hidden from the excessive attention of others, which is particularly important for some patients suffering from mental stress or social anxiety, who can wear the therapeutic device in daily life without drawing attention of others. The application adopts the reinforced supporting ribs and the wrapping front and rear supporting frames to conform to the human engineering, fit the physiological curve of the human body, simultaneously support personalized adjustment, carry out personalized adjustment according to the specific condition and the requirement of a patient, provide stronger supporting performance, effectively lighten the stress of the spine, help the patient maintain the physiological curvature of the spine by limiting the movement of the spine within a certain range so as to reduce pain and discomfort caused by movement, and simultaneously increase the fusion rate of the spine and reduce the occurrence of subsequent complications.
As shown in fig. 4 and 5, a first fastening means 114 for fixing the first PEMF pulse electromagnetic field transmitting coil 113 is provided in the front support 11. As shown in fig. 7 and 8, a second fastening means 125 for fixing the second PEMF pulse electromagnetic field transmitting coil 123 is provided in the rear support 12, and the first fastening means 114 and the second fastening means 125 are bands, snaps, or ring brackets.
The first PEMF pulse electromagnetic field transmitting coil 113 and the second PEMF pulse electromagnetic field transmitting coil 123 in this embodiment are both coils of the same nature. The front support device 11 is internally provided with a first annular guide groove, the first PEMF pulse electromagnetic field emission coil 113 is embedded in the first annular guide groove, the rear support device 12 is internally provided with a second annular guide groove, and the second PEMF pulse electromagnetic field emission coil 123 is embedded in the second annular guide groove. The cross-sectional shapes of the first annular guide groove and the second annular guide groove are preferably square, U-shaped or irregular.
When PEMF pulse electromagnetic field emission coils are distributed inside the front support 11 and the rear support 12, embedded in corresponding annular guide grooves, the positions of the PEMF pulse electromagnetic field emission coils are fixed by the first fastening device 114 and the second fastening device 125, the first PEMF pulse electromagnetic field emission coils 113 inside the front support 11 and the second PEMF pulse electromagnetic field emission coils 123 inside the rear support 12 are homogeneous coils, and the PEMF pulse electromagnetic field emission coils are distributed in front of and behind the spine and serve as Helmholtz coils, so that the Helmholtz coils can generate a larger magnetic field uniformity range and uniformity than single coils, and meanwhile, the Helmholtz coils have the characteristic of low magnetic leakage.
The present application is not limited to the above embodiments, and any modifications, equivalent substitutions and improvements made by those skilled in the art within the scope of the present application are intended to be included within the scope of the present application; various modifications and changes may be made by one skilled in the art without departing from the spirit and scope of the application, which is therefore intended to be covered by the appended claims.
Claims (8)
1. A spinal fusion support device based on a PEMF pulse electromagnetic field, which is characterized by comprising a front support device (11), a rear support device (12) and a magic tape (2), wherein the front support device (11) and the rear support device (12) are of annular structures; the front support device comprises a front support device and is characterized in that a first fixing hole (111) and a second fixing hole (112) are respectively formed in two sides of the front support device (11), a third fixing hole (121) and a fourth fixing hole (122) are respectively formed in two sides of the rear support device (12), a plurality of adjusting buckles (3) are arranged on the magic tape (2), and the magic tape (2) sequentially penetrates through the first fixing hole (111), the second fixing hole (112), the third fixing hole (121) and the fourth fixing hole (122) to adjust and fix the front support device (11) and the rear support device (12);
the front support device (11) is connected with the control device (5), a first PEMF pulse electromagnetic field transmitting coil (113) is arranged in the front support device (11), and a second PEMF pulse electromagnetic field transmitting coil (123) is arranged in the rear support device (12); the first PEMF pulse electromagnetic field transmitting coil (113) and the second PEMF pulse electromagnetic field transmitting coil (123) are respectively and electrically connected with the control device (5) so as to transmit PEMF pulse electromagnetic fields;
the control device (5) comprises a chargeable mobile power supply (51), a voltage stabilizer (52), a main control circuit (53), a signal processing module (54), a signal output module (55) and a display panel (56), wherein the main control circuit (53) comprises a main controller (531), a reset module (532) and a human-computer interaction module (533); the input end of the voltage stabilizer (52) is electrically connected with the chargeable mobile power supply (51), the output end of the voltage stabilizer (52) is electrically connected with the main control circuit (53), the main control circuit (53) is electrically connected with the signal processing module (54), the signal processing module (54) is controlled by a main controller (531) of the main control circuit (53), the output end of the signal processing module (54) is electrically connected with the signal output module (55), the signal output module (55) is used for further processing signals, and the signal output module (55) is electrically connected with the first PEMF pulse electromagnetic field transmitting coil and the second PEMF pulse electromagnetic field transmitting coil and transmits corresponding PEMF pulse electromagnetic fields to treat spinal fusion; meanwhile, the input end of the display panel (56) is electrically connected with the main control circuit (53) to display the treatment information of the control device (5) in real time.
2. The spine fusion support device based on the PEMF pulse electromagnetic field according to claim 1, wherein a plurality of reinforcing support ribs (125) are arranged in the annular space of the rear support device (12), and when the spine fusion support device is worn on the waist of a human body, the plurality of reinforcing support ribs (125) are attached to stress points of lumbar vertebrae of the human body to form a triangle, so that an effective support effect is achieved on the spine of the human body.
3. Spinal fusion support based on PEMF pulsed electromagnetic fields according to claim 1, characterized in that said anterior support means (11) are internally provided with first fastening means (114) for fixing said first PEMF pulsed electromagnetic field emission coil (113); a second fastening device (124) for fixing the second PEMF pulse electromagnetic field transmitting coil (123) is arranged in the rear supporting device (12), and the first fastening device (114) and the second fastening device (124) are bands, buckles or annular supports.
4. Spinal fusion support device based on PEMF pulsed electromagnetic field according to claim 1, characterized in that the anterior support device (11) is provided with a first and a second suspension loop structure on both sides, respectively, the first and the second fixation hole (111, 112) are provided on the first and the second suspension loop structure, respectively, the posterior support device (12) is provided with a third and a fourth suspension loop structure on both sides, respectively, the third and the fourth fixation hole (121, 122) are provided on the third and the fourth suspension loop structure, respectively.
5. Spinal fusion support according to claim 1, characterized in that the velcro tape (2) is made of a high-strength high-toughness material.
6. The PEMF pulsed electromagnetic field-based spinal fusion support of claim 1, wherein the first PEMF pulsed electromagnetic field transmit coil (113) and the second PEMF pulsed electromagnetic field transmit coil (123) are both homogeneous coils.
7. Spinal fusion support according to claim 1, characterized in that the anterior support device (11) is provided with a first annular guide slot inside which the first PEMF pulse electromagnetic field emission coil (113) is embedded; a second annular guide groove is formed in the rear supporting device (12), and the second PEMF pulse electromagnetic field transmitting coil (123) is embedded in the second annular guide groove.
8. The PEMF pulsed electromagnetic field-based spinal fusion support recited in claim 7, wherein the first and second annular guide slots have square, U-shaped, or irregular cross-sectional shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311157791.4A CN117180628A (en) | 2023-09-08 | 2023-09-08 | Backbone fuses eyelidretractor based on PEMF pulse electromagnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311157791.4A CN117180628A (en) | 2023-09-08 | 2023-09-08 | Backbone fuses eyelidretractor based on PEMF pulse electromagnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117180628A true CN117180628A (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311157791.4A Pending CN117180628A (en) | 2023-09-08 | 2023-09-08 | Backbone fuses eyelidretractor based on PEMF pulse electromagnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117180628A (en) |
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2023
- 2023-09-08 CN CN202311157791.4A patent/CN117180628A/en active Pending
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