CN210750912U - Disassembly-free coil switching magnetic stimulator - Google Patents

Disassembly-free coil switching magnetic stimulator Download PDF

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Publication number
CN210750912U
CN210750912U CN201921005910.3U CN201921005910U CN210750912U CN 210750912 U CN210750912 U CN 210750912U CN 201921005910 U CN201921005910 U CN 201921005910U CN 210750912 U CN210750912 U CN 210750912U
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coil
switching
stimulation
microprocessor
magnetic stimulator
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高飞
王克成
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Nanjing Vishee Medical Technology Co Ltd
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Nanjing Vishee Medical Technology Co Ltd
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Abstract

The utility model discloses an exempt from to tear open formula coil switch magnetic stimulator, include: a main controller; a magnetic stimulation body; a magnetic stimulation body of a stimulation coil comprising: the microprocessor is used for realizing information interaction with the main controller; a power supply for receiving microprocessor control instructions; a charging capacitor in communication with a power source; the switching control unit is communicated with the charging capacitor and used for realizing line switching; a plurality of interfaces which are arranged on the magnetic stimulator body, are used for receiving the control of the switching control unit and are communicated with a plurality of equal stimulating coils in a one-to-one correspondence way; and the coil detection unit is used for detecting the state information of the plurality of stimulation coils and reporting the state information to the microprocessor. The utility model discloses a switching control unit carries out the switching of the stimulating coil of a plurality of different applications, need not pull down stimulating coil and change another one again, can freely select corresponding stimulating coil according to the amazing scheme, and is easy and simple to handle. Simultaneously the utility model discloses simple structure, low cost, and effectively reduced the equipment damage risk that leads to of changing the coil.

Description

Disassembly-free coil switching magnetic stimulator
Technical Field
The utility model relates to a magnetic stimulator, concretely relates to exempt from to tear open formula coil and switch magnetic stimulator belongs to medical device technical field.
Background
The magnetic stimulation instrument can penetrate through the skull and tissues of a human body by generating a high-strength pulse magnetic field, induced current can be generated in the central nerve and peripheral nerves at the depth of the human body under the action of the pulse magnetic field, and nerve cells produce depolarization so as to achieve the purpose of regulating and controlling the nerve function. Magnetic stimulation techniques are increasingly used in clinical and scientific research due to their non-invasive, painless physical properties and the ability to achieve deep stimulation. With the continuous expansion of the application range, stimulation coils suitable for different diseases are increasingly used, and the clinical treatment process can change different coils according to the actual condition of a patient to become necessary requirement.
The most common magnetic stimulator in the market only has one coil interface, and the stimulation coil is usually connected with the magnetic stimulator host by adopting a heavy-duty connector or aviation connector, because the magnetic stimulator needs to generate high-voltage and high-current discharge pulse to the stimulation coil during stimulation, and the requirement on contact resistance between pins of the connector is very high. The aviation plug and the heavy-duty connector are very troublesome to replace due to the self fastening requirement; in addition, the replacement frequently brings the hidden trouble of poor contact between the pins of the connector, and if the poor contact occurs, the abnormal discharge interface is burnt and the safety risk of damage of the host machine element of the magnetic stimulator can be caused due to the large discharge voltage and current.
The patent application document with the application number of 200810046759.8 mentions a control method of multi-coil time sequence discharge of a transcranial magnetic field stimulator aiming at a plurality of stimulation coils, and the technical scheme adopts a plurality of power supplies or a single ultra-high power supply and a plurality of groups of discharge control thyristors, which can solve the problem of coil switching but has high cost.
Disclosure of Invention
For solving the deficiencies of the prior art, an object of the utility model is to provide a disassembly-free coil switching magnetic stimulator with simple structure, low cost, safety and high efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme:
a detachment-free coil-switching magnetic stimulator, comprising: a main controller; the magnetic stimulation body is communicated with the main controller; a stimulation coil connected to the stimulator body, the magnetic stimulation body comprising:
the microprocessor is used for realizing information interaction with the main controller;
a power supply for receiving microprocessor control instructions;
a charging capacitor in communication with a power source;
the switching control unit is communicated with the charging capacitor and used for realizing line switching;
a plurality of interfaces which are arranged on the magnetic stimulator body, are used for receiving the control of the switching control unit and are communicated with a plurality of equal stimulating coils in a one-to-one correspondence way;
and the coil detection unit is used for detecting the state information of the plurality of stimulation coils and reporting the detection information to the microprocessor.
Further, the switching control unit comprises a microprocessor, a switching electronic switch S2, and a coil selection circuit formed by a plurality of stimulation coils, and is used for selecting the stimulation coils with different treatment effects; the microprocessor, the switch S1, the power supply and the charging capacitor form a charging circuit together, and the charging circuit is used for charging the charging capacitor 106; the microprocessor 103 and the silicon controlled rectifier jointly form a bidirectional current generating circuit to realize bidirectional charging and discharging of the stimulating coil,
the thyristor comprises a thyristor D1 and a thyristor D2 which are arranged in parallel, the thyristor D1 can be opened to generate negative current before the stimulating coil reversely discharges, and the thyristor D2 can be opened to discharge to the stimulating coil.
The switch electronic switch S2 may be a plurality of IGBT switches or relays, and the switch electronic switch S1 may be an IGBT switch.
Further, the status information of the stimulation coil includes the stimulation coil ID, the temperature and the interface bit number.
The magnetic stimulation method based on the disassembly-free coil switching magnetic stimulator is provided. The method comprises the following steps:
s1 stimulation coil information detection: the coil detection unit detects the state of the stimulation coil and uploads the detection information to the microprocessor, the microprocessor judges whether the inquiry information of the main controller is received, if so, the step S2 is carried out, otherwise, the step S1 is repeatedly carried out;
s2: information feedback: the microprocessor sends the state information of the stimulation coil to the main controller, the main controller displays the related information and confirms whether to select the stimulation scheme, if not, the step S2 is repeated, if so, a stimulation scheme instruction is sent to the microprocessor, and the next step is carried out;
s3: and instruction receiving and judging: the microprocessor judges whether the receiving is correct or not, if the receiving is incorrect, a receiving error instruction is sent back to the main controller, the step S2 is returned, and if the receiving is correct, the switching control unit is controlled to switch and connect the stimulating coil according to the instruction, and the next step is carried out;
s4: and (3) judging a stimulation instruction: judging whether the main controller sends a stimulation instruction, if not, repeating the step S3, if so, judging whether the microprocessor correctly receives the starting instruction, if not, repeating the step, and if correctly receiving, performing the next step;
s5: and (3) charging a power supply to perform stimulation operation: and the microprocessor controls the power supply to charge the charging capacitor, controls the switching control unit to discharge to the stimulating coil, simultaneously judges whether the discharge frequency meets the set requirement of the stimulating scheme and whether a stopping instruction exists, if so, the operation is ended, and if not, the step of charging the charging capacitor by the power supply is returned.
The utility model discloses an useful part lies in: the utility model discloses the stimulating coil who has a plurality of different applications carries out stimulating coil's switching through switching control unit, need not pull down stimulating coil and change another one again, can freely select corresponding stimulating coil according to the amazing scheme, and is easy and simple to handle. Simultaneously the utility model discloses simple structure, low cost, and effectively reduced the equipment damage risk that leads to of changing the coil.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a switching control unit according to the present invention;
fig. 3 is a flowchart of the magnetic stimulation method according to the present invention.
The meaning of the reference symbols in the figures:
101. main controller 102 magnetic stimulator body 103 and microprocessor
104. Power supply 105, coil detection unit 106, and charging capacitor
107. Switching control unit 108, first interface 109, second interface
110. A third interface 111, a first stimulation coil 112, a second stimulation coil
113. And a third coil.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Examples
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
As shown in fig. 1: a disassembly-free coil-switching magnetic stimulator, comprising: the main controller 101 (a computer or a tablet) is internally provided with a stimulation program and is used for displaying a stimulation program interface, sending a control instruction and receiving the state information of the stimulation coil sent by the microprocessor 103; a magnetic stimulation body 102 in communication with the master controller 101; a stimulation coil connected to the stimulator body 102, wherein the magnetic stimulation body 102 comprises: the microprocessor 103 is used for realizing information interaction with the main controller 101, sending the state information of the stimulation coil to the main controller 101 through a fixed protocol, and simultaneously controlling the power supply 104 to charge the charging capacitor 106 according to the running condition of the equipment; a power supply 104 for receiving control instructions from the microprocessor 103; a charging capacitor 106 (high voltage pulse capacitor) in communication with the power source 104; a switching control unit 107 communicating with the charging capacitor 106 for realizing line switching; three interfaces (a first interface 108, a second interface 109 and a third interface 110) which are arranged on the magnetic stimulator body 102, are used for receiving the control of the switching control unit 107 and are communicated with the three stimulation coils (a first coil 111, a second coil 112 and a third coil 113) in a one-to-one correspondence manner; and a coil detection unit 105 for detecting status information (stimulation coil ID, temperature, interface bit number, etc.) of the plurality of stimulation coils and reporting the detected information to the microprocessor 103.
Fig. 2 is a schematic structural diagram of the switching control unit according to the present invention.
As shown in fig. 2: in the present embodiment, the switching control unit 107 includes a microprocessor 103, a switching electronic switch S2, and a coil selection circuit formed by three stimulation coils together, for selecting the stimulation coils with different therapeutic effects; the microprocessor 103, the switch S1, the power supply 104 and the capacitor form a charging circuit together, and the charging circuit is used for charging the charging capacitor; the microprocessor and the controlled silicon jointly form a bidirectional current generating circuit to realize bidirectional charging and discharging of the stimulating coil. The method specifically comprises the following steps: the thyristor comprises a thyristor D1 and a thyristor D2 which are arranged in parallel, the thyristor D1 can be opened to generate negative current before the stimulating coil reversely discharges, and the thyristor D2 can be opened to discharge to the stimulating coil. The electronic switch S2 is a plurality of IGBT switches, but it may be a relay, and the electronic switch S1 is an IGBT switch.
Fig. 3 is a flowchart of the magnetic stimulation method according to the present invention.
As shown in fig. 3: the utility model discloses a magnetic stimulation process does:
s1 stimulation coil information detection: the coil detection unit 105 detects the status of the stimulation coil of each interface, and uploads the detection information (the ID, temperature, interface bit number, etc.) to the microprocessor 103 and records the detection information in the program, the microprocessor 103 determines whether the inquiry information of the main controller 101 is received, if so, step S2 is performed, otherwise, step S1 is repeated;
s2: information feedback: the microprocessor 103 sends the state information of the stimulation coils to the main controller 101 through a communication protocol, the main controller 101 receives a coil state information data packet, relevant information is displayed on a display interface after analysis, whether a stimulation scheme is selected or not is confirmed, if not, the step S2 is repeated, if so, a stimulation scheme instruction is sent to the microprocessor, in the process, a doctor self-defines the stimulation scheme according to the relevant information, edits data such as stimulation intensity, stimulation frequency, stimulation pulses and the like and a beat ID (stimulation coil ID), each stimulation coil with different shapes corresponds to different IDs, and the next step is carried out;
s3: and instruction receiving and judging: the microprocessor 103 judges whether the receiving is correct or not, if the receiving is incorrect, a receiving error instruction is sent back to the main controller 101, the step S2 is returned, the main controller 101 can issue an instruction scheme again, if the receiving is correct, an interface number can be automatically corresponded according to the selected beat information, the interface number is switched to a corresponding interface through the IO control switching control unit 107, that is, the switching control unit 107 is controlled to switch and connect the stimulation coils according to the instruction, the green LEDs corresponding to the interfaces are lighted up to prompt the user whether the currently selected stimulation coils are correct or not, and the next step is carried out;
s4: and (3) judging a stimulation instruction: judging whether the main controller sends a stimulation starting instruction, if not, repeating the step S3, if so, judging whether the microprocessor correctly receives the starting instruction, if not, repeating the step, and if correctly receives, performing the next step;
s5: and (3) charging a power supply to perform stimulation operation: the microprocessor 103 controls the power supply 104 to charge the charging capacitor 106, after the preset voltage is charged, the microprocessor 103 controls the charging to be ended, the switching control unit 107 is controlled to open the discharging silicon to discharge the stimulating coil, the microprocessor 103 counts the discharging times, when the pulse number set by the scheme is reached or a stopping instruction is received, the discharging is stopped, and if the pulse number is not set by the scheme, the step of charging the charging capacitor 106 by the power supply 104 is returned.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (6)

1. A detachment-free coil-switching magnetic stimulator, comprising: a main controller; the magnetic stimulation body is communicated with the main controller; the stimulating coil connected with the stimulator body is characterized in that the magnetic stimulator body comprises:
the microprocessor is used for realizing information interaction with the main controller;
a power supply for receiving microprocessor control instructions;
a charging capacitor in communication with a power source;
the switching control unit is communicated with the charging capacitor and used for realizing line switching;
a plurality of interfaces which are arranged on the magnetic stimulator body, are used for receiving the control of the switching control unit and are communicated with a plurality of equal stimulating coils in a one-to-one correspondence way;
and the coil detection unit is used for detecting the state information of the plurality of stimulation coils and reporting the detection information to the microprocessor.
2. The non-dismantling coil switching magnetic stimulator of claim 1, wherein the switching control unit comprises a microprocessor, a switching electronic switch S2, and a coil selection circuit formed by a plurality of stimulation coils; the charging circuit is formed by the microprocessor, the switch S1, the power supply and the capacitor; the microprocessor and the controlled silicon jointly form a bidirectional current generating circuit.
3. The detachment-free coil-switching magnetic stimulator of claim 2, wherein the thyristors include a thyristor D1 and a thyristor D2 arranged in parallel.
4. The detachment-free coil-switching magnetic stimulator of claim 2, wherein the switching electronic switch S2 is a plurality of IGBT switches or relays.
5. The detachment-free coil-switching magnetic stimulator of claim 2, wherein the switching electronic switch S1 is an IGBT switch.
6. The non-removable coil-switching magnetic stimulator of claim 1, wherein the status information of the stimulation coil includes stimulation coil ID, temperature and interface bit number.
CN201921005910.3U 2019-06-30 2019-06-30 Disassembly-free coil switching magnetic stimulator Active CN210750912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921005910.3U CN210750912U (en) 2019-06-30 2019-06-30 Disassembly-free coil switching magnetic stimulator

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Application Number Priority Date Filing Date Title
CN201921005910.3U CN210750912U (en) 2019-06-30 2019-06-30 Disassembly-free coil switching magnetic stimulator

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CN210750912U true CN210750912U (en) 2020-06-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110180083A (en) * 2019-06-30 2019-08-30 南京伟思医疗科技股份有限公司 A kind of avoid-dismantle coil switching magnetic stimulator and Neural stem cell method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110180083A (en) * 2019-06-30 2019-08-30 南京伟思医疗科技股份有限公司 A kind of avoid-dismantle coil switching magnetic stimulator and Neural stem cell method

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