A rechargeable wireless high-frequency electric knife, an electric knife system and an electric knife control method

Abstract

The present invention proposes a rechargeable wireless high-frequency electric knife, an electric knife system and an electric knife control method, including a host, a wireless charger and a knife body, wherein wireless communication is adopted between the host and multiple knife bodies, a digital logic circuit is arranged inside the knife body handle, and a first magnet is built into the surface of the knife body handle, which can be attracted by the wireless charger. The host can control multiple wireless high-frequency electric knives through wireless communication, and each working parameter is issued according to the communication protocol, and the knife bodies are grouped and managed according to their relative positions. The advantages of the present invention are that the electrode plus high-frequency circuit (located in the host) of the traditional electric knife is partially separated, and a large-capacity battery, an inverter unit and a boost power supply are added to form a high-frequency electric knife body. There is no need for a wired connection between the knife body and the host, and wired and wireless charging are supported, which is more convenient to use. The centralized control of multiple knives can use one host to control multiple high-frequency electric knives, configure parameters separately, and work at the same time, which is suitable for the needs of multiple working scenes.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, and in particular to a rechargeable wireless high-frequency electric knife, an electric knife system and an electric knife control method. Background Art

[0002] Traditional electric knives are generally divided into a main unit and an electrode part, which are connected by a three-core cable in the middle. For example, Patent 1 (application number CN202321468646.3 publication number CN220107141U) discloses a high-frequency electric knife accessory conversion plug, which includes a main unit of a high-frequency electric knife, a handle accessory and a conversion plug. The pin of the handle accessory is plugged into the copper tube female terminal of the conversion plug; the conversion plug is plugged into the jack of the main unit; when the utility model plugs in and out the handle accessory pin, it can ensure that the conversion plug is left on the high-frequency electric knife, realizing one-handed operation and frequent replacement of the handle accessory without plugging in and out the conversion plug. Patent 2 (application number CN202310376432.1 publication number CN116602740A) provides an ultrasonic high-frequency multi-energy output system. It includes: at least one ultrasonic knife component, at least one high-frequency electric knife component, a host, at least a chassis and at least the following modules are arranged inside the chassis: a control module, a power module, a display module, an ultrasonic module, a high-frequency electric module, and an output port; the ultrasonic module includes at least one ultrasonic energy unit, and the high-frequency electric module includes at least one high-frequency electric energy unit, and the ultrasonic energy unit and the high-frequency electric energy unit can be detachably installed in the chassis; a plurality of energy unit plug interfaces are arranged inside the chassis, and each energy unit plug interface is electrically connected to an output port; the ultrasonic energy unit and the high-frequency electric energy unit are both connected to the energy unit plug interface in a manner that can be quickly disassembled. The present invention can realize the flexible increase, decrease, and transformation of electrosurgical instruments according to the actual clinical scene requirements, the number of operators, etc., such as increasing or decreasing the number of ultrasonic knives and high-frequency electric knives to meet the needs of different scenes.

[0003] The above patent is still the traditional design of high-frequency electric knife, that is, the main unit and the electrode are still connected by a three-core cable, and the electrode is only an accessory that brings thermal effect to the high-frequency AC signal, and has the functions of electric cutting and electric coagulation at different temperatures brought by the thermal effect, and is connected to the main unit by a three-core wire. Because the connection line does affect the doctor's operation during the operation, it brings more inconvenience. Summary of the invention

[0004] The purpose of the present invention is to provide a rechargeable wireless high-frequency electric knife, in which a wireless connection is used instead of a wired connection between a knife body and a host, and multiple knife bodies can be centrally controlled by one host.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0006] A rechargeable wireless high-frequency electric knife, comprising a wireless charger and a knife body;

[0007] The knife body includes an electrode head, a knife body handle, and a digital logic circuit. The digital logic circuit is installed inside the knife body handle and is connected to the battery and the electrode head respectively. It includes a control unit for controlling the electric knife, a wireless unit for receiving wireless charging signals, and a cutting and coagulation selection unit for configuring the working state. The control unit is connected to the wireless unit, and the cutting and coagulation selection unit is connected to the control unit. A first magnet is also provided on the surface of the knife body handle.

[0008] A groove is provided on the top of the wireless charger, the groove is used to fit with the knife handle, a second magnet is provided on the inner surface of the groove, a wireless charging transmitter module is provided inside the wireless charger, and the wireless charger and the knife handle are connected by attraction through the first magnet and the second magnet.

[0009] Furthermore, the digital logic circuit also includes:

[0010] A boost inverter unit is connected to the battery and is used to boost and invert the low-voltage AC power from the battery into AC power;

[0011] An oscillation unit, including an oscillation circuit composed of an oscillation coil, connected to the boost inverter unit and the output unit, and used to generate high-frequency oscillation from the boosted and inverted alternating current;

[0012] A cutting and coagulation selection unit, connected to the control unit and the oscillation unit, for configuring the working state of the oscillation unit according to the parameters of the control unit;

[0013] An output unit, connected to the oscillation unit, for outputting a high-frequency oscillation current to the electrode head;

[0014] The DC converter is connected to the battery and the control unit and is used to supply power to the control unit.

[0015] Furthermore, a closed-loop sensor is included, and the closed-loop sensor is connected to the oscillation unit and the output unit respectively.

[0016] Furthermore, the closed-loop sensor adopts a TMR non-invasive current detection module, and the TMR non-invasive current detection module is labeled on the high-frequency current output wire of the circuit board, with a welding layer in between.

[0017] A rechargeable wireless high-frequency electric knife system comprises the above-mentioned rechargeable wireless high-frequency electric knife and a host, wherein one host corresponds to one or more rechargeable wireless high-frequency electric knives, the host and the knife body adopt wireless communication, and are networked in a star or dynamic grouping topology structure, and the two networking modes are switched mutually through the host;

[0018] The star topology is: each blade acts as a node and communicates directly with the host;

[0019] The dynamic grouping topology is: one or several adjacent blade bodies are grouped into one group, and the blade bodies in each group communicate with each other as a node, and each group of blade bodies communicates with the host through the coordinator.

[0020] A rechargeable wireless high-frequency electric knife control method, a host and a knife body are connected via wireless communication signals, and the host manages one or more knife bodies via wireless communication, including working mode, charging mode, and sleep mode;

[0021] The working mode is: the host corresponds to one or more blades through wireless communication, one or more blades are selected from the host to work, the host sends configuration parameters to the corresponding blade, the blade reads / downloads the specific parameters of the high-frequency electric knife blade, and the blade receives data feedback within the set time. If the host does not receive feedback within the set time, it is considered that the configuration has failed, otherwise it is considered that the configuration is successful and the blade starts to work;

[0022] The charging mode is: the host is connected to one or more blade wireless charging bases or wired charging cables to charge the corresponding blades;

[0023] The sleep mode is: when the machine is shut down manually or the blade is not used for a threshold period of time, it enters the sleep state, in which the host and the blade run at low power consumption.

[0024] Furthermore, wireless communication supports wireless frequency hopping and Mesh.

[0025] Furthermore, in a dynamic grouping topology network, when the host is turned on or a blade body starts to move after the blade body has not been used for a threshold time, the host determines the grouping of the blade bodies based on the relative positions of the blade bodies;

[0026] The relative position is calculated by: determining the relative position of a blade body to other blade bodies through the RSSI signal strength value broadcast by the wireless communication module between the blade bodies;

[0027] The method for determining dynamic grouping is: setting an RSSI threshold, when a blade receives RSSI signal strength values ​​from other blades, it is compared according to the threshold and grouped.

[0028] Furthermore, when calculating the relative position of a blade, two RSSI thresholds are set, namely RSSI th1 and RSSI th2 , define the signal strength value received by the current blade from the blade numbered x as RSSIx. If RSSIx ≥ RSSI th1 , then define RSSIx as RSSIx_in, that is, near the blade numbered x, if RSSI th1 >RSSIx>RSSI th2, then define RSSIx as RSSIx_dis, that is, the tool body is considered to be in the disputed area. If RSSIx≤RSSI th2， Then define RSSIx as RSSIx_out, and consider that the blade is outside the blade network range numbered x;

[0029] At the beginning of networking, each blade body sends the above RSSIx value to the signal sending point of the host and gives the results of relative position pre-calculation, namely RSSIx_in, RSSIx_dis and RSSIx_out. If a blade body is listed as RSSIx_dis, RSSIx_in and RSSIx_out respectively, the blade body belongs to the network where the blade body listed in RSSIx_in and with the highest RSSI signal strength value is located; if a blade body is listed as RSSIx_dis and RSSIx_out, it is added to the network where the blade body with the highest RSSI signal strength value listed in RSSIx_dis is located; if a blade body is listed as RSSIx_in and RSSIx_out, it is added to the network where the blade body with the highest RSSI signal strength value listed in RSSIx_in is located; if a blade body is only listed as RSSIx_out, it forms a single-node network alone; if a blade body has other situations, it is added to the network where the blade body with the highest RSSI signal strength value listed in RSSIx_in is located;

[0030] After the groups are divided, the coordinator of the mesh network is dynamically determined: the RSSI values ​​of the signals received by each blade in each mesh network group from other blades in the network are summed, that is:

[0031]

[0032] n is the number of blades in the mesh network group. The blade that obtains and compares the maximum RSSI_SUM of all blade nodes in the mesh network is configured as a coordinator, responsible for managing the mesh network and communicating with the host.

[0033] Furthermore, the communication protocol format between the host and the knife body includes HEADER, data frame and check bit, and the communication signal includes parameter signal and feedback signal. The host sends a parameter signal to the corresponding high-frequency electric knife. After receiving the configuration parameters, the high-frequency electric knife returns the feedback signal to the host within the set time.

[0034] The advantages of the present invention are: the electrode plus high-frequency circuit (located in the main unit) of the traditional electric knife is separated, and a large-capacity battery, an inverter unit and a boost power supply are added to form a high-frequency electric knife body. The knife body and the main unit are no longer connected by wires, but are replaced by wireless connections for parameter configuration interaction. The method implemented in this way puts the circuits related to the high-frequency alternating current on the main board into the knife body, and uses batteries for power supply, combined with a wireless module, and key parameters are configured through wireless communication, ensuring that the wireless high-frequency electric knife of this solution can not only perform all the work of electric cutting and electric coagulation like the traditional electric knife, but also saves the wired connection part, making the use of the electric knife more flexible.

[0035] In addition, the above wireless communication technology supports the formation of a local wireless network, that is, using one host to centrally manage multiple blades. In the past, traditional electric knives were driven by one host to manage one electrode, which needed to be placed in the operating room. Wireless knives can share one host with multiple electric knives. The host can be placed in the operating room or anesthesia room, and the high-frequency radio knife body can be operated in the operating room. The knife bodies managed by one host can perform surgery nearby, which saves host hardware and reduces costs. Moreover, since wireless transmission has a certain penetration ability, even if the knife body parameters need to be modified, it does not need to be brought back to the vicinity of the host, and it only needs to be kept turned on. Wireless and wired chargers can follow the electric knife body in any operating room without being placed together with the host. The range of operation is increased, and it is more convenient to turn on the electric knife during surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the structure of a wireless high-frequency electric knife connected to a wireless charger according to Embodiment 1 of the present invention;

[0037] Figure 2 This is a schematic diagram of the structure of a wireless charger according to Embodiment 1 of the present invention;

[0038] Figure 3 This is a schematic diagram of the structure of a wireless high-frequency electric knife according to Embodiment 1 of the present invention;

[0039] Figure 4 This is a block diagram of a digital logic circuit system according to Embodiment 2 of the present invention;

[0040] Figure 5 This is a schematic diagram of the structural relationship of the closed-loop sensor of Example 2 of the present invention;

[0041] Figure 6 This is a schematic diagram of centralized management of wireless high-frequency electrosurgical unit according to Embodiment 3 of the present invention;

[0042] Figure 7 This is a schematic diagram of the dynamic grouping topology structure of Example 4 of the present invention;

[0043] Figure 8 This is a schematic diagram of a star topology structure of Embodiment 4 of the present invention;

[0044] In the figure, 1-electrode head, 2-wireless charger, 3-electric cutting button, 4-electric coagulation button, 5-display screen, 6-electric knife handle, 7-wireless charger power input port, 8-charging indicator light, 9-groove, 10-wired charging port. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0046] Example 1

[0047] This embodiment provides a rechargeable wireless high-frequency electric knife, including a host, a wireless charger 2 and a knife body, and wireless communication is adopted between the host and the knife body.

[0048] Please refer to Figure 1 The knife body includes an electrode 1, an electric cutting button 3, an electric coagulation button 4, a display screen 5, a knife body handle 6 and a digital logic circuit, and the digital logic circuit is installed inside the knife body handle 6.

[0049] A first magnet is also provided on the surface of the blade handle 6, and a second magnet is provided on the surface of the wireless charger 2, preferably on the inner surface of the groove, which can be attracted to the first magnet, so that the wireless charger 2 and the blade are connected for wireless charging.

[0050] Please refer to the structure of wireless charger 2 Figure 2 , a groove 9 is opened on the top, a wireless charging transmitter module is set inside, and a wireless charger power input port 7 is set outside. The groove 9 enables the wireless charger 2 to fit with the handle of the blade body when charging the blade body. The wireless charger power input port 7 can be set to type-c or other interfaces, and the wireless charger is charged through a charging cable. When charging, connect the TYPE-C interface to the power supply to charge the wireless charger. When the wireless charger is attracted to the blade body, the blade body can be charged. When the wireless charging transmitter module has current, the charging indicator light 8 will be always on, the wireless charging receiving module receives the signal to start charging, and the electric energy is transmitted to the control unit, and the real-time power is displayed on the screen of the blade display 5.

[0051] The blade body also has a wired charging port 10, please refer to Figure 3 , or wired charging can be used to power the blade. During the operation, if the battery is insufficient, it can be charged by wireless magnetic suction, or wired power supply can be used similar to the traditional mode. When the operation is over, it can be charged by wired or wireless charging.

[0052] Example 2

[0053] For digital logic circuits, please refer to Figure 4The large-capacity battery supplies power to the digital logic circuit in the wireless knife body (i.e., the low-power MCU, wireless unit, display unit, and coagulation selection unit in the figure) through a DC converter, and outputs the coagulation high-frequency current through the inverter unit, oscillation unit, and output unit. The output of the high-frequency current is controlled by the coagulation selection unit, and the button selects whether the current operation is electrocoagulation or electrocuting. At the same time, the parameters of electrocoagulation and electrocuting are obtained by the MCU connected to the host through the wireless unit and displayed on the display unit (a small LCD or OLED display).

[0054] The system specifically includes:

[0055] Large-capacity battery, using multiple customized batteries in parallel to ensure the instantaneous and continuous current supply needs of the system, the battery voltage is defined as Vbat;

[0056] The boost inverter unit is connected to a large-capacity battery and is used to boost and invert the low-voltage AC power from the battery into AC power. The typical voltage is Vbat, which is boosted to Vboost and then inverted into AC power. The effective value of the voltage is Vboost1 and the frequency is Fac=30-100Hz. This is a circuit unit not available on ordinary high-frequency electric knives.

[0057] The oscillation unit includes an oscillation circuit composed of an oscillation coil, a capacitor, etc., which is connected to the boost inverter unit and the output unit, and is used to generate high-frequency oscillation from the AC power after boost inverter, with a voltage effective value of Vboost2 and a frequency of Fac=30-100Hz, and generate high-frequency oscillation, whose oscillation frequency Fhac=300-5000KHz, and a voltage effective value of Vetr, Vetr = b*(2*sinθ / π)(a*Vbat), where a is the proportional boost magnification, θ is the pulse width phase angle, and b is the output voltage magnification, which is selected by the user selecting the shear and coagulation strength, and the oscillation frequency Fhac is a user-configured value, which is selected by the user selecting the shear and coagulation mode;

[0058] The cutting and coagulation selection unit is connected with the control unit and the oscillation unit, and is used to configure the working state of the oscillation unit according to the parameters of the control unit, and control the frequency, voltage, current, etc. of the high-frequency current generated by the oscillation unit. The two buttons of the cutting button 3 and the coagulation button 4 can be used to select whether to cut or coagulate, and the oscillation unit is configured to the corresponding working state (that is, the output voltage magnification b and the oscillation frequency Fhac are configured) according to the intensity and flow parameters of the cutting, endoscopic cutting, coagulation and argon beam coagulation transmitted by the wireless module, wherein the argon gas flow rate is a reserved value, and because the wireless knife does not have a pressure transmission pipeline, the value is reserved for future expansion;

[0059] An output unit, connected to the oscillation unit, for outputting the high-frequency oscillation current to the electrode head via a transistor or other electronic device;

[0060] The DC converter is connected to the battery and the control unit and is used to supply power to the control unit.

[0061] The high-frequency electrosurgical unit also includes a closed-loop sensor. This embodiment uses a TMR non-invasive current detection module as a closed-loop sensor to stabilize the electrosurgical unit current. Compared with the traditional open-loop control, this measure is more conducive to the stability of the cutting and coagulation performance. The closed-loop sensor is connected to the oscillation unit and the output unit respectively. Please refer to Figure 5 .

[0062] The TMR sensor is labeled on the high-frequency current output wire of the circuit board, with a welding layer in the middle. It can detect the magnetic field of the high-frequency current to reflect the magnitude of the current passing through it, and calculate its frequency, peak value and effective value for closed-loop control to stabilize the high-frequency current output and make the cutting and coagulation performance more stable. This part of the function is located in the oscillation unit and the output unit.

[0063] Example 3

[0064] This embodiment proposes a rechargeable wireless high-frequency electric knife system. In the traditional high-frequency electric knife equipment, one host manages and drives one electrode, and is connected by a high-frequency power line. In this embodiment, the high-frequency electric knife body and the host are no longer connected by a wire, but the high-frequency power generation circuit is integrated into the body and powered by a large-capacity battery. Therefore, wireless communication is adopted between the body and the host. Its structure diagram is as follows: Figure 6 shown.

[0065] The host has a touch screen, which is mainly used to select the corresponding blade, operate various configuration parameters, and read / download the specific parameters of the high-frequency electric knife blade. There are switches and power indicators on the lower side. There are 8 TYPE-C charging ports on the right side of the lower volume, which can be connected to the wireless charging device and wired charging cable of the high-frequency electric knife blade. According to the needs of hospital departments, 8 charging ports can fully meet the needs. The upper volume of the charging port has six knobs with button functions (rotatable clockwise, counterclockwise, and can be pressed). In the center of the knob is a digital tube or a display similar to a digital tube, which is used to observe parameter adjustments.

[0066] The host has a wireless antenna and can be connected to 8 high-frequency electric knife bodies in a star or network topology. The networking technologies that can achieve this networking mode generally include WIFI, LORA, LORA-MESH, Bluetooth-MESH, ZIGBEE, etc. Bluetooth-MESH is generally preferred.

[0067] The communication protocol includes parameter signals and feedback signals. The parameter signal is only sent once to the corresponding high-frequency electric knife. The electric knife stores the parameter immediately and does not lose it during power failure. After the high-frequency electric knife receives the configuration parameters through wireless broadcast, it will provide data reception feedback within 2 seconds. If the host does not receive feedback within 2 seconds, it considers the configuration failed and a prompt will appear on the host screen.

[0068] The format of the communication protocol is: HEADER+data frame+check bit (11 bytes).

[0069] One of the parameter signal settings is as follows:

[0070] HEADER:ea;

[0071] ID address: 1 byte, the lower four bits range 01-08 correspond to 8 device addresses; the upper four bits range 01-08 manage 8 groups of preset parameters, of which 01 is the current parameter transmission, and 02-08 are all preset parameters;

[0072] Cutting mode: 1 byte, range 01-02 (01-electric cutting, 02-endoscopic cutting). The wireless knife only corresponds to electric cutting, and endoscopic cutting is a reserved item.

[0073] Cutting strength (high 8 bits, low 8 bits): 2 bytes, range 0-65535, corresponding to cutting strength;

[0074] Electrocoagulation strength (high 8 bits, low 8 bits): 2 bytes, range 0-65535, corresponding to the coagulation strength;

[0075] Argon beam condensation strength: 1byte, 0-255 configures the argon beam condensation strength;

[0076] Argon gas flow rate: 1 byte, 0-255 configures the argon gas flow rate, unit 100 mL / min;

[0077] Check bit: 2 bytes, CRC check.

[0078] One of the feedback signal formats is as follows (that is, HEADER is changed to fa, other ID address data bits are returned as is, and CRC is recalculated):

[0079] HEADER:fa

[0080] ID address: 1 byte, the lower four bits range 01-08 correspond to 8 device addresses; the upper four bits range 01-08 manage 8 groups of preset parameters, of which 01 is the current parameter transmission, and 02-08 are all preset parameters;

[0081] Cutting mode: 1 byte, range 01-02 (01-electric cutting, 02-endoscopic cutting). The wireless knife only corresponds to electric cutting, and endoscopic cutting is a reserved item.

[0082] Cutting strength (high 8 bits, low 8 bits): 2 bytes, range 0-65535 corresponding to cutting strength;

[0083] Electrocoagulation strength (high 8 bits, low 8 bits): 2 bytes, range 0-65535 corresponding to the coagulation strength;

[0084] Argon beam condensation strength: 1byte, 0-255 configures the argon beam condensation strength;

[0085] Argon gas flow rate: 1 byte, 0-255 configures the argon gas flow rate, unit 100 mL / min;

[0086] Check bit: 2 bytes, CRC check.

[0087] The ID of the high-frequency electrosurgical unit itself cannot be modified through the communication protocol to avoid confusion. It can be modified in the host configuration mode.

[0088] The system of this embodiment is divided into three modes when working. The working modes are: the host corresponds to one or more blade bodies through wireless communication, one or more blade bodies are selected from the host to work, the host sends configuration parameters to the corresponding blade body, the blade body reads / downloads specific parameters of the high-frequency electric knife blade body, and the blade body receives data feedback within the set time. If the host does not receive feedback within the set time, it is considered that the configuration has failed, otherwise it is considered that the configuration is successful and the blade body starts to work;

[0089] The charging mode is: the host is connected to one or more blade wireless charging bases or wired charging cables to charge the corresponding blades;

[0090] The sleep mode is: when the machine is shut down manually or the blade is not used for a threshold period of time, it enters the sleep state, in which the host and the blade run at low power consumption.

[0091] Specifically, the various processes of the host are as follows:

[0092] The first step is to inspect the device to see if the device is damaged, if the buttons are loose, and if the fuses are installed properly.

[0093] The second step is to turn on the device, plug in the power cord, turn on the power switch on the panel, and after the buzzer sounds, the power light will turn on and the device will enter the power-on state.

[0094] The third step is the host self-check and initialization. The host LCD displays the boot screen, the digital tube display flashes, and the communication module, human-machine interface, charging circuit and other functional logic circuits are self-checked. If the self-check passes, the system enters the system. If it fails, the fault code is displayed for query and processing.

[0095] The fourth step is to run the system background communication program. Based on the accessed communication module, it sends handshake data packets with the wireless high-frequency electric knife body at intervals of 1 second to match the managed knife body within the signal coverage range. As long as the knife body is turned on, it will feedback a data packet indicating that the knife body has joined the network. The basic information of the knife body currently online, such as its ID number, name, model, etc., can be displayed on the LCD. Through the touch screen operation, click the "Details" button of the corresponding knife body to query the configuration parameters, preset parameters and other detailed information of the knife body.

[0096] The fifth step is to run the system foreground configuration program. The touch screen receives touch operations from the user and displays general information. The main interface displays the basic information of the current online tool body (with color background and text) and the tool body that was online but is currently offline (with black and white background and text). Click "Detailed Information" to enter the detailed information display interface of the corresponding tool body, where you can query the configuration parameters, preset parameters and other detailed information of the tool body.

[0097] Quick configuration buttons and display: The first group is used to adjust and display the ID number of the blade being configured. The knob can be used to select 1-8 and the button can be used to confirm. The second group is used to configure the current and preset parameters of electrosurgical cutting. The knob can be used to adjust the parameters and the button can be used to switch the mode and confirm. The third group is used to configure the current and preset parameters of electrocoagulation (argon coagulation). The knob can be used to adjust the parameters and the button can be used to switch the mode and confirm.

[0098] The sixth step is to charge the blade. The 8 TYPE-C interfaces of the host can be connected to 8 blade wireless charging stations or dedicated wired charging cables for charging.

[0099] Step 7. Turn off the power. After use, press the power button to turn off the power.

[0100] The process of the cutter body is:

[0101] The first step is sleep mode. When the operator manually shuts down the blade or it has not been used for 15 minutes, it will enter sleep mode. In sleep mode, it runs at extremely low power consumption and the LCD or OLED does not display. If a wireless or wired charger is connected at this time, it will enter charging mode, in which only the charging power status is displayed.

[0102] The second step is to wake up the device by turning it on. In the sleep state, press any button for 3 seconds to wake it up. The device will self-check the internal communication module, oscillation output unit, inverter and boost unit, LCD or OLED and other functional logic circuits. If there is a fault, the fault code will be displayed. If there is no fault, the device will enter the main interface.

[0103] The third step is working mode. After entering the main interface, the LCD or OLED displays the current working parameters. At this time, operating the "cut" or "freeze" button can trigger the corresponding function.

[0104] Step 4. Enter the background. In the working mode, press the "Cut" and "Freeze" buttons for 3 seconds at the same time to query the preset parameters of the knife body and set its own ID number. At this time, the "Cut" and "Freeze" buttons act as direction buttons and have "Confirm" and "Cancel" functions. Operate according to the Chinese prompts on the LCD or OLED.

[0105] Step 5. Exit the background. In the background mode, press the "Cut" and "Freeze" buttons at the same time for 3 seconds to exit the background mode and return to the working mode.

[0106] Step 6: The system background communication program runs. Based on the accessed communication module, it monitors the data packets from the host at any time. If a valid data packet is received, it determines whether the target ID number of the data packet is consistent with the local machine. If it is inconsistent, it is discarded; if it is consistent, it enters the data packet processing program. In the program, it mainly identifies and saves the cutting and freezing parameters, distinguishes whether it is real-time configuration or storage of preset parameters, and processes them separately. Real-time configuration makes the parameters take effect immediately, while storage of preset parameters does not take effect immediately. The parameters are only stored in the preset area, and the "first in, first out" queue storage operation is performed in groups 2-10.

[0107] Step 7: Enter sleep mode. Select system shutdown in background mode, or enter sleep mode after 15 minutes of no operation.

[0108] Example 4

[0109] The wireless networks supported by the host include but are not limited to Wi-Fi, Bluetooth, Lo-Ra, Zigbee, etc. The wireless communication supports wireless frequency hopping and Mesh.

[0110] The wireless device networking topology adopts a dynamic grouping structure and a star structure based on relative position information, and has a one-key switching function. The host's NET key can be pressed and held for 3 seconds to switch.

[0111] In a dynamic grouping topology network, when the host is turned on or a blade body starts to move after not being used for a threshold period of time, the host determines the grouping of the blade bodies based on the relative positions of the blade bodies.

[0112] The relative position of a blade body to other blade bodies is determined by the RSSI signal strength value broadcast by the wireless communication module between each blade body. When calculating the relative position of a blade body, two RSSI thresholds are set first, namely RSSI th1 and RSSI th2 , define the signal strength value received by the current blade from the blade numbered x as RSSIx. If RSSIx ≥ RSSI th1 , then define RSSIx as RSSIx_in, that is, near the blade numbered x, if RSSI th1 >RSSIx>RSSIth2 , then define RSSIx as RSSIx_dis, that is, the tool body is considered to be in the disputed area. If RSSIx≤RSSI th2， RSSIx is defined as RSSIx_out, and the tool body is considered to be outside the tool body network numbered x.

[0113] At the beginning of networking, each blade body sends the above RSSIx value to the host and gives the relative position pre-calculation result, namely RSSIx_in, RSSIx_dis and RSSIx_out. If a blade body is listed as RSSIx_dis, RSSIx_in and RSSIx_out respectively, the blade body belongs to the network where the blade body listed in RSSIx_in and with the highest RSSI signal strength value is located; if a blade body is listed as RSSIx_dis and RSSIx_out, it is added to the network where the blade body listed in RSSIx_dis with the highest RSSI signal strength value is located; if a blade body is listed as RSSIx_in and RSSIx_out, it is added to the network where the blade body listed in RSSIx_in with the highest RSSI signal strength value is located; if a blade body is only listed as RSSIx_out, it forms a single-node network alone; if a blade body has other situations, it is added to the network where the blade body listed in RSSIx_in with the highest RSSI signal strength value is located;

[0114] After the groups are divided, the coordinator of the mesh network is dynamically determined: the RSSI values ​​of the signals received by each blade in each mesh network group from other blades in the network are summed, that is:

[0115]

[0116] n is the number of blades in the mesh network group. The blade that obtains and compares the maximum RSSI_SUM of all blade nodes in the mesh network is configured as a coordinator, responsible for managing the mesh network and communicating with the host.

[0117] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rechargeable wireless high-frequency electric knife control method, characterized in that: Based on the rechargeable wireless high-frequency electric knife system, the host and the knife body are connected through wireless communication signals, and the host manages one or more knife bodies through wireless communication, including working mode, charging mode, and sleep mode; The working mode is: the host corresponds to one or more blades through wireless communication, one or more blades are selected from the host to work, the host sends configuration parameters to the corresponding blade, the blade reads / downloads specific parameters of the high-frequency electric knife blade, and the blade receives data feedback within the set time. If the host does not receive feedback within the set time, it is considered that the configuration has failed, otherwise it is considered that the configuration is successful; The charging mode is: the host is connected to one or more blade wireless charging seats or wired charging cables to charge the corresponding blades; The sleep mode is: when the machine is shut down manually or the blade is not used for a threshold time, the machine enters the sleep state, in which the host and the blade run at low power consumption; The wireless communication supports mesh; In a dynamic grouping topology network, when the host is turned on or a blade body starts to move after not being used for a threshold period of time, the host determines the grouping of the blade bodies based on their relative positions; The relative position is calculated by: determining the relative position of a blade body to other blade bodies through the RSSI signal strength value broadcast by the wireless communication module between the blade bodies; The method for determining dynamic grouping is: setting an RSSI threshold, when a blade receives the RSSI signal strength value from other blades, it is compared according to the threshold and grouped; The rechargeable wireless high-frequency electric knife system includes a rechargeable wireless high-frequency electric knife and a host, one host corresponds to one or more rechargeable wireless high-frequency electric knives, wireless communication is adopted between the host and the knife body, and the two networking modes are connected in a star or dynamic grouping topology structure, and the two networking modes are switched mutually through the host; The star topology is: each blade body acts as a node to communicate directly with the host; The dynamic grouping topology structure is: one or more adjacent blade bodies are grouped into one group, and the blade bodies in each group communicate with each other as a node, and each group of blade bodies communicates with the host through the coordinator; The rechargeable wireless high-frequency electric knife comprises a wireless charger and a knife body; The knife body includes an electrode head, a knife body handle, and a digital logic circuit. The digital logic circuit is installed inside the knife body handle and is connected to the battery and the electrode head respectively. It includes a control unit for controlling the electric knife, a wireless unit for receiving wireless charging signals, and a cutting and coagulation selection unit for configuring the working state. The control unit is connected to the wireless unit, and the cutting and coagulation selection unit is connected to the control unit. A first magnet is also provided on the surface of the knife body handle; A groove is formed on the top of the wireless charger, and the groove is used to fit with the knife handle. A second magnet is arranged on the inner surface of the groove. A wireless charging transmitting module is arranged inside the wireless charger. The wireless charger and the knife handle are connected by the first magnet and the second magnet.

2. The rechargeable wireless high-frequency electric knife control method according to claim 1 is characterized in that: The digital logic circuit further comprises: A boost inverter unit is connected to the battery and is used to boost and invert the low-voltage AC power from the battery into AC power; An oscillation unit, including an oscillation circuit composed of an oscillation coil, connected to the boost inverter unit and the output unit, and used to generate high-frequency oscillation from the boosted and inverted alternating current; A cutting and coagulation selection unit, connected to the control unit and the oscillation unit, for configuring the working state of the oscillation unit according to the parameters of the control unit; An output unit, connected to the oscillation unit, for outputting a high-frequency oscillation current to the electrode head; The DC converter is connected to the battery and the control unit and is used to supply power to the control unit.

3. The rechargeable wireless high-frequency electric knife control method according to claim 2 is characterized in that: It also includes a closed-loop sensor, which is connected to the oscillation unit and the output unit respectively.

4. The rechargeable wireless high-frequency electric knife control method according to claim 3 is characterized in that: The closed-loop sensor adopts a TMR non-invasive current detection module, and the TMR non-invasive current detection module is labeled on the high-frequency current output wire of the circuit board, with a welding layer in the middle.

5. The rechargeable wireless high-frequency electrosurgical unit control method according to claim 1, characterized in that: When calculating the relative position of a blade, two RSSI thresholds are set first, namely RSSI th1 and RSSI th2 , define the signal strength value received by the current blade from the blade numbered x as RSSIx. If RSSIx ≥ RSSI th1 , then define RSSIx as RSSIx_in, that is, near the blade numbered x, if RSSI th1 >RSSIx>RSSI th2 , then define RSSIx as RSSIx_dis, that is, the tool body is considered to be in the disputed area. If RSSIx≤RSSI th2， Then RSSIx is defined as RSSIx_out, and the blade is considered to be outside the blade network range numbered x; At the beginning of networking, each blade body sends the above RSSIx value to the signal sending point of the host and gives the results of relative position pre-calculation, namely RSSIx_in, RSSIx_dis and RSSIx_out. If a blade body is listed as RSSIx_dis, RSSIx_in and RSSIx_out respectively, the blade body belongs to the network where the blade body listed in RSSIx_in and with the highest RSSI signal strength value is located; if a blade body is listed as RSSIx_dis and RSSIx_out, it is added to the network where the blade body with the highest RSSI signal strength value listed in RSSIx_dis is located; if a blade body is listed as RSSIx_in and RSSIx_out, it is added to the network where the blade body with the highest RSSI signal strength value listed in RSSIx_in is located; if a blade body is only listed as RSSIx_out, it forms a single-node network alone; if a blade body has other situations, it is added to the network where the blade body with the highest RSSI signal strength value listed in RSSIx_in is located; After the groups are divided, the coordinator of the mesh network is dynamically determined: the RSSI value of each blade in each mesh network group receiving the signal from other blades in the network is summed up, that is: n is the number of blades in the mesh network group. The blade that obtains and compares the maximum RSSI_SUM of all blade nodes in the mesh network is configured as a coordinator, responsible for managing the mesh network and communicating with the host.

6. The rechargeable wireless high-frequency electric knife control method according to claim 1, characterized in that: The communication protocol format between the host and the knife body includes HEADER, data frame and check bit. The communication signal includes parameter signal and feedback signal. The host sends parameter signal to the corresponding high-frequency electric knife. After receiving the configuration parameters, the high-frequency electric knife returns the feedback signal to the host within the set time.

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