Electrotome detection circuit and high-frequency electrotome equipment
By combining the isolation module and optocoupler module in the electrosurgical detection circuit, it is possible to accurately determine whether the electrosurgical tweezers are in contact with the human body, thus solving the problem of misjudgment in high-frequency electrosurgical equipment and improving operational safety and control accuracy.
Patent Information
- Application Number
- CN202423167520.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In existing high-frequency electrosurgical devices, there is a risk of misjudging whether the electrosurgical unit is in contact with the patient, leading to inaccurate control.
An electrosurgical knife detection circuit was designed. By combining an isolation module, electrosurgical knife tweezers, a transistor, an optocoupler module, and a detection module, the circuit determines whether the electrosurgical knife is in contact with the human body by utilizing the change in current conduction when the electrosurgical knife tweezers touch the human body.
It enables accurate determination of whether the electrosurgical unit has come into contact with the human body, thus improving the operational safety and control precision of high-frequency electrosurgical equipment.
Smart Images
Figure CN223526514U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric knife pen technical field, especially in kind electric knife detection circuit and high frequency electric knife equipment. BACKGROUND
[0002] High frequency electric knife equipment carries out heating to the organization of being operated through the high frequency current of surgical electrode, realizes the separation and coagulation of the organization of being operated, thereby plays the role of cutting and coagulation. In the related art, whether electric knife contacts the patient is mainly judged by medical staff, and then the on-off of high frequency electric knife equipment is controlled, but there is certain misjudgment risk. UTILITY MODEL CONTENTS
[0003] The utility model aims at at least one of the technical problems existing in the prior art. Therefore, the utility model provides an electric knife detection circuit and a high frequency electric knife equipment, which can effectively judge whether the electric knife touches the human body.
[0004] The utility model further provides a high frequency electric knife equipment with the electric knife detection circuit.
[0005] The electric knife detection circuit according to the first aspect embodiment of the utility model comprises:
[0006] An input power supply;
[0007] An isolation module comprising a first input end and a first output end, wherein the first input end is connected with the input power supply;
[0008] An electric knife forceps comprising a first connecting end and a second connecting end, wherein the first connecting end is connected with the first output end;
[0009] A first triode, wherein the collector of the first triode is connected with the first output end, the base of the first triode is connected with the second connecting end, and the emitter of the first triode is grounded;
[0010] A second triode, wherein the base of the second triode and the emitter of the second triode are both connected with the first output end, and the base of the second triode is also connected with the emitter of the first triode;
[0011] An optical coupling module comprising a transmitting end and a receiving end, wherein the collector of the second triode is connected with the input end of the transmitting end, and the output end of the transmitting end is grounded;
[0012] A detection module connected with the receiving end.
[0013] The electric knife detection circuit has at least the following beneficial effects: the input power can be converted into the direct current required for the electric knife forceps to work through the isolation module; when the electric knife forceps touches the human body, the first connecting end and the second connecting end are conducted through the human body, the base of the first triode is conducted due to the high level, thereby lowering the base level of the second triode, the second triode is conducted, and the direct current output by the first output end flows into the emitting end of the optocoupler module; and the detection module is connected with the receiving end, so that the detection module can determine whether the electric knife forceps touches the human body according to whether the receiving end receives the signal sent by the emitting end.
[0014] According to some embodiments of the present application, the electric knife detection circuit further comprises a first capacitor and a second capacitor, a first end of the first capacitor is connected to a connection point of the input power and the first input end, a second end of the first capacitor is grounded, a first end of the second capacitor is connected to the connection point of the input power and the first input end, and a second end of the second capacitor is grounded.
[0015] According to some embodiments of the present application, the electric knife detection circuit further comprises a third capacitor and a fourth capacitor, a first end of the third capacitor is connected to the first output end, a second end of the third capacitor is grounded, a first end of the fourth capacitor is connected to the first output end, and a second end of the fourth capacitor is grounded.
[0016] According to some embodiments of the present application, the electric knife detection circuit further comprises a diode, a positive end of the diode is connected to the first output end, and a negative end of the diode is connected to the base of the second triode, the collector of the second triode and the first connecting end respectively.
[0017] According to some embodiments of the present application, the electric knife detection circuit further comprises a first inductor and a first resistor, a first end of the first inductor is connected to the negative end of the diode, a second end of the first inductor is connected to a first end of the first resistor, and a second end of the first resistor is connected to the first connecting end.
[0018] According to some embodiments of the present application, the electric knife detection circuit further comprises a second inductor and a second resistor, a first end of the second inductor is connected to the second connecting end, a second end of the second inductor is connected to a first end of the second resistor, and a second end of the second resistor is connected to the base of the first triode.
[0019] According to some embodiments of the utility model, the electric knife detection circuit further includes a fifth capacitor, a sixth capacitor, a seventh capacitor, a first output pole and a second output pole, the first end of the fifth capacitor is connected with the second end of the first resistor, the second end of the fifth capacitor is connected with the first output pole, the first end of the sixth capacitor is connected to the connecting point of the first inductor and the first resistor, the second end of the sixth capacitor is connected to the connecting point of the second inductor, the seventh capacitor and the second connecting end, the seventh capacitor is further connected with the second output pole.
[0020] According to some embodiments of the utility model, the electric knife detection circuit further includes a third resistor and a fourth resistor, the first end of the third resistor is connected to the connecting point of the emitter of the second triode and the negative end of the diode, the second end of the third resistor is connected with the first end of the fourth resistor and the base of the second triode respectively, the second end of the fourth resistor is connected with the collector of the first triode.
[0021] According to some embodiments of the utility model, the electric knife detection circuit further includes a fifth resistor and a sixth resistor, the first end of the fifth resistor is connected with the collector of the second triode, the second end of the fifth resistor is connected with the first end of the sixth resistor and the input end of the emitter end respectively, the second end of the sixth resistor is grounded.
[0022] The high-frequency electric knife device according to the second aspect embodiment of the utility model includes the electric knife detection circuit of the first aspect, and the high-frequency electric knife device according to the utility model embodiment has at least the following beneficial effects:
[0023] Additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0024] The utility model will be further explained in combination with the drawings and embodiments, wherein:
[0025] Figure 1 It is partial circuit schematic diagram of the electric knife detection circuit of the utility model embodiment;
[0026] Figure 2 It is another partial circuit schematic diagram of the electric knife detection circuit of the utility model embodiment. DETAILED DESCRIPTION
[0027] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.
[0028] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0029] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of technical features indicated.
[0030] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.
[0031] Referring to Figure 1 and Figure 2 , Figure 1 is a circuit schematic diagram of an electrotome detection circuit of an embodiment of the present application, Figure 2 is another partial circuit schematic diagram of the electrotome detection circuit of the embodiment of the present application.
[0032] It can be understood that the electrotome detection circuit comprises an input power supply VCC=5V, an isolation module U1, an electrotome forceps, a first triode Q1, a second triode Q2, an optical coupling module U2 and a detection module J3, wherein the isolation module U1 comprises a first input end +5V and a first output end 5V, the electrotome forceps comprises a first connecting end J21 and a second connecting end J22, the input power supply VCC=5V is connected with the first input end +5V, and after the input power supply VCC=5V is input into the isolation module U1, the isolation module U1 can convert the working current input by the input power supply VCC=5V and then output to the subsequent circuit through the first output end 5V. The collector of the first triode Q1 is connected with the first output end 5V and the base of the second triode Q2, the base of the first triode Q1 is connected with the second connecting end J22, the emitter of the first triode Q1 is grounded, the base of the second triode Q2 and the emitter of the second triode Q2 are both connected with the first output end 5V, the collector of the second triode Q2 is connected with the input end of the emitter of the optical coupling module U2, the output end of the emitter is grounded, and the receiving end of the optical coupling module U2 is connected with the detection module J3.
[0033] It should be noted that when the electrotome forceps touches the human body, the first connecting end J21 and the second connecting end J22 are conducted through the human body, the base of the first triode Q1 is turned on due to the high level, thereby pulling down the base level of the second triode Q2, the second triode Q2 is turned on, the direct current output by the first output end 5V is transmitted to the emitter of the optical coupling module U2 through the second triode Q2, the emitter is lighted, and the receiving end of the optical coupling module U2 receives the optical signal and then feeds back to the detection module J3. Therefore, the detection module J3 can determine whether the electrotome forceps touches the human body according to whether the receiving end receives the signal sent by the emitter.
[0034] For example, the first end and the second end of the receiving end of the optical coupling module U2 are both connected with the detection module J3, wherein the input power supply VCC=5V is connected between the first end and the detection module J3, and the second end is connected with the detection end of the detection module J3. When the emitter of the optical coupling module U2 sends the optical signal, the receiving end of the optical coupling module U2 is turned on, the current of the input power supply VCC=5V flows into the detection end of the detection module J3 through the receiving end, that is, if the detection end of the detection module J3 is high level, it indicates that the electrotome forceps touches the human body.
[0035] It should be noted that the electrotome detection circuit further comprises a first capacitor C1 and a second capacitor C2, the first end of the first capacitor C1 is connected to the connection point of the input power supply VCC=5V and the first input end +5V, the second end of the first capacitor C1 is grounded, the first end of the second capacitor C2 is connected to the connection point of the input power supply VCC=5V and the first input end +5V, and the second end of the second capacitor C2 is grounded.
[0036] It should be noted that the electrotome detection circuit further comprises a third capacitor C3 and a fourth capacitor C4, the first end of the third capacitor C3 is connected with the first output end 5V, the second end of the third capacitor C3 is grounded, the first end of the fourth capacitor C4 is connected with the first output end 5V, and the second end of the fourth capacitor C4 is grounded.
[0037] It should be noted that the electrotome detection circuit further comprises a diode D1, the positive end of the diode D1 is connected with the first output end 5V, and the negative end of the diode D1 is connected with the base of the second triode Q2, the collector of the second triode Q2 and the first connection end J21 respectively.
[0038] It should be noted that the electrotome detection circuit further comprises a first inductor L1 and a first resistor R1, the first end of the first inductor L1 is connected with the negative end of the diode D1, the second end of the first inductor L1 is connected with the first end of the first resistor R1, and the second end of the first resistor R1 is connected with the first connection end J21.
[0039] It should be noted that the electrotome detection circuit further comprises a second inductor L2 and a second resistor R2, the first end of the second inductor L2 is connected with the second connection end J22, the second end of the second inductor L2 is connected with the first end of the second resistor R2, and the second end of the second resistor R2 is connected with the base of the first triode Q1.
[0040] It should be noted that the electrotome detection circuit further comprises a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, a first output pole J4 and a second output pole J5, the first end of the fifth capacitor C5 is connected with the second end of the first resistor R1, the second end of the fifth capacitor C5 is connected with the first output pole J4, the first end of the sixth capacitor C6 is connected to the connection point of the first inductor L1 and the first resistor R1, the second end of the sixth capacitor C6 is connected to the connection point of the second inductor L2, the seventh capacitor C7 and the second connection end J22, and the seventh capacitor C7 is further connected with the second output pole J5.
[0041] It should be noted that the electrotome detection circuit further comprises a third resistor R3 and a fourth resistor R4, the first end of the third resistor R3 is connected to the connection point of the emitter of the second triode Q2 and the negative end of the diode D1, the second end of the third resistor R3 is connected with the first end of the fourth resistor R4 and the base of the second triode Q2 respectively, and the second end of the fourth resistor R4 is connected with the collector of the first triode Q1.
[0042] It should be noted that the electrotome detection circuit further comprises a fifth resistor R5 and a sixth resistor R6, the first end of the fifth resistor R5 is connected with the collector of the second triode Q2, the second end of the fifth resistor R5 is connected with the first end of the sixth resistor R6 and the input end of the emitter respectively, and the second end of the sixth resistor R6 is grounded.
[0043] It should be noted that the electrotome detection circuit further comprises a seventh resistor R7, the first end of the seventh resistor R7 is connected with the second end of the second resistor R2 and the base of the first triode Q1 respectively, and the second end of the seventh resistor R7 is grounded.
[0044] It should be noted that the electrotome detection circuit further comprises an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor C13 and a fourteenth capacitor C14, the first end of the eighth capacitor C8 is connected with the negative end of the diode D1, the second end of the eighth capacitor C8 is grounded, the first end of the ninth capacitor C9 is connected to the negative end of the diode D1 and the first end of the eleventh capacitor C11, the second end of the ninth capacitor C9 is grounded, the tenth capacitor C10 is connected with the ninth capacitor C9 in parallel, the second end of the eleventh capacitor C11 is connected with the first end of the twelfth capacitor C12, the second end of the second inductor L2 and the first end of the second resistor R2, the second end of the twelfth capacitor C12 is grounded, the first end of the thirteenth capacitor C13 is connected with the second end of the second resistor R2, the second end of the thirteenth capacitor C13 is grounded, and the input end and the output end of the emitting end of the photo-coupler module U2 are respectively connected with the two ends of the fourteenth capacitor C14.
[0045] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. An electrosurgical generator detection circuit, comprising: The utility model relates to an electric knife detection circuit, comprising: an input power supply; an isolation module comprising a first input terminal and a first output terminal, the first input terminal being connected to the input power supply; an electric knife forceps comprising a first connection terminal and a second connection terminal, the first connection terminal being connected to the first output terminal; a first triode, the collector of the first triode being connected to the first output terminal, the base of the first triode being connected to the second connection terminal, and the emitter of the first triode being grounded; a second triode, the base of the second triode and the emitter of the second triode both being connected to the first output terminal, and the base of the second triode also being connected to the emitter of the first triode; an optical coupling module comprising a transmitting terminal and a receiving terminal, the collector of the second triode being connected to the input terminal of the transmitting terminal, and the output terminal of the transmitting terminal being grounded; a detection module connected to the receiving terminal.
2. The electrosurgical detection circuit of claim 1, wherein, The electric knife detection circuit further comprises a first capacitor and a second capacitor, the first end of the first capacitor being connected to the connection point of the input power supply and the first input terminal, and the second end of the first capacitor being grounded, the first end of the second capacitor being connected to the connection point of the input power supply and the first input terminal, and the second end of the second capacitor being grounded.
3. The electrosurgical detection circuit of claim 1, wherein, The electric knife detection circuit further comprises a third capacitor and a fourth capacitor, the first end of the third capacitor being connected to the first output terminal, and the second end of the third capacitor being grounded, the first end of the fourth capacitor being connected to the first output terminal, and the second end of the fourth capacitor being grounded.
4. The electrosurgical detection circuit of claim 1, wherein, The electric knife detection circuit further comprises a diode, the anode of the diode being connected to the first output terminal, and the cathode of the diode being connected to the base of the second triode, the collector of the second triode, and the first connection terminal, respectively.
5. The electrosurgical detection circuit of claim 4, wherein, The electric knife detection circuit further comprises a first inductor and a first resistor, the first end of the first inductor being connected to the cathode of the diode, the second end of the first inductor being connected to the first end of the first resistor, and the second end of the first resistor being connected to the first connection terminal.
6. The electrosurgical detection circuit of claim 5, wherein, The electric knife detection circuit further comprises a second inductor and a second resistor, the first end of the second inductor being connected to the second connection terminal, the second end of the second inductor being connected to the first end of the second resistor, and the second end of the second resistor being connected to the base of the first triode.
7. The electrosurgical detection circuit of claim 6, wherein, The electric knife detection circuit further comprises a fifth capacitor, a sixth capacitor, a seventh capacitor, a first output terminal, and a second output terminal, the first end of the fifth capacitor being connected to the second end of the first resistor, the second end of the fifth capacitor being connected to the first output terminal, the first end of the sixth capacitor being connected to the connection point of the first inductor and the first resistor, the second end of the sixth capacitor being connected to the connection point of the second inductor, the seventh capacitor, and the second connection terminal, and the seventh capacitor also being connected to the second output terminal.
8. The electrosurgical detection circuit of claim 4, wherein, The electrotome detection circuit further comprises a third resistor and a fourth resistor, a first end of the third resistor is connected to a connection point between an emitter of the second transistor and a negative terminal of the diode, a second end of the third resistor is connected with a first end of the fourth resistor and a base of the second transistor respectively, and a second end of the fourth resistor is connected with a collector of the first transistor.
9. The electrosurgical detection circuit of claim 1, wherein, The electrotome detection circuit further comprises a fifth resistor and a sixth resistor, a first end of the fifth resistor is connected with a collector of the second transistor, a second end of the fifth resistor is connected with a first end of the sixth resistor and an input end of the emitting end respectively, and a second end of the sixth resistor is grounded.
10. A high-frequency electrosurgical apparatus, characterized by comprising: An electrotome detection circuit comprising any one of claims 1 to 9.