CN217090884U - Radio frequency hemostasis system - Google Patents
Radio frequency hemostasis system Download PDFInfo
- Publication number
- CN217090884U CN217090884U CN202122807764.XU CN202122807764U CN217090884U CN 217090884 U CN217090884 U CN 217090884U CN 202122807764 U CN202122807764 U CN 202122807764U CN 217090884 U CN217090884 U CN 217090884U
- Authority
- CN
- China
- Prior art keywords
- resistor
- capacitor
- diode
- terminal
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model relates to a radio frequency hemostasis system, including human resistance sampling circuit, human resistance sampling circuit includes: the circuit comprises a resistor R1, a diode D1 and a voltage division circuit, wherein one terminal of the resistor R1 is connected with a VCC end, and the other terminal is connected with one terminal of the secondary side of a transformer T1 in an inverter circuit; the anode of the diode D1 is connected with the other terminal of the secondary side of the transformer T1 in the inverter circuit, and the cathode of the diode D1 is connected with the VAD end through a voltage division circuit. The effect is as follows: VCC end voltage flows into VAD end through a resistor R1, human tissue, a diode D1 and a voltage dividing circuit, the resistance value of the human tissue can be calculated according to the VCC end voltage, the VAD end voltage, the resistance value of a resistor R1 and the resistance value of the voltage dividing circuit, and then the inverter circuit is controlled to transmit radio frequency energy with corresponding frequency according to the resistance value information so as to coagulate blood of the human tissue, the radio frequency energy can be better matched with the tissue, the operation time is reduced, the damage to the tissue is reduced, and the postoperative recovery is facilitated.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to radio frequency hemostasis system.
Background
The existing tissue impedance identification obtains the impedance of the tissue at the moment by collecting the ratio of the voltage and the current between two electrodes, and the impedance value is changed in the electrocoagulation process, so that the carbonization degree of the tissue is judged, and whether electrocoagulation output is stopped is judged. However, in the practical application process, the impedance of each tissue is different, so that a larger error is generated when the impedance value is directly judged, only rough output judgment can be achieved, and accurate identification cannot be achieved.
In addition, the output frequency of the high-frequency electrotome on the market is generally 100K-500KHz, and when the high-frequency electrotome is used for hemostasis, large-area carbonization of a blood coagulation part can be caused, secondary damage is carried out on tissues, and postoperative recovery is not facilitated.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the present invention is to provide a radio frequency hemostatic system to overcome the deficiencies in the prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a radio frequency hemostasis system, comprising a body resistance sampling circuit, the body resistance sampling circuit comprising: the circuit comprises a resistor R1, a diode D1 and a voltage division circuit, wherein one terminal of the resistor R1 is connected with a VCC end, and the other terminal is connected with one terminal of the secondary side of a transformer T1 in an inverter circuit; the anode of the diode D1 is connected with the other terminal of the secondary side of the transformer T1 in the inverter circuit, and the cathode of the diode D1 is connected with the VAD end through a voltage division circuit;
the voltage dividing circuit includes: a resistor R2, a resistor R3, a capacitor C3, a diode D2 and an operational amplifier U1, wherein one terminal of the resistor R2 is connected with the cathode of the diode D1, the other terminal of the resistor R2 is grounded through the resistor R3, and the capacitor C3 is connected between the two terminals of the resistor R3 in parallel; the cathode of the diode D2 is connected with the common end of the resistor R2 and the resistor R3, the anode of the diode D2 is grounded, the in-phase end of the operational amplifier U1 is connected with the cathode of the diode D2, the output end of the operational amplifier U1 is connected with the VAD end of the microprocessor, and the reverse-phase end of the operational amplifier U1 is connected with the output end through a lead;
the device also comprises a power supply and a microprocessor, wherein the power supply is connected with the VCC end, and the microprocessor is connected with the VAD end.
The utility model has the advantages that: VCC end voltage flows into VAD end through a resistor R1, human tissue, a diode D1 and a voltage dividing circuit, the resistance value of the human tissue can be calculated according to the VCC end voltage, the VAD end voltage, the resistance value of a resistor R1 and the resistance value of the voltage dividing circuit, and then the inverter circuit is controlled to transmit radio frequency energy with corresponding frequency according to the resistance value information so as to coagulate blood of the human tissue, the radio frequency energy can better match with the tissue, the operation time is reduced, the damage to the tissue is reduced, and the postoperative recovery is facilitated;
the filter can be realized, the voltage following is carried out, the quality of output signals is ensured, and the real-time sampling of a microprocessor is facilitated.
On the basis of the technical scheme, the utility model can also be improved as follows.
Further, the inverter circuit includes: the transformer T1, a capacitor C1, a capacitor C2, a resistor R4 and a capacitor group A, two terminals on the secondary side of the transformer T1 are sequentially connected with the capacitor group A and a resistor R4 in parallel, the resistor R1 is connected with one terminal on the secondary side of the transformer T1 through a capacitor C1, and the anode of a diode D1 is connected with the other terminal on the secondary side of the transformer T1 through a capacitor C2; the capacitor group A is a plurality of capacitors connected in parallel.
Further, the capacitor group a includes a capacitor C4 and a capacitor C5 connected in parallel with each other.
Further, the inverter circuit further includes: a field effect transistor Q1, a field effect transistor Q2, a diode D3, a diode D4, a resistor R5, a resistor R6, a capacitor group B, a capacitor group C, a capacitor C12 and a capacitor C13;
the drain electrode of the field effect transistor Q1 and the drain electrode of the field effect transistor Q2 are connected with one terminal of the primary side of the transformer T1;
the diode D3 is connected with the resistor R5 in parallel, the source of the field effect transistor Q1 is connected with the cathode of the diode D3 and the common end of the resistor R5, the gate of the field effect transistor Q1 is connected with the anode of the diode D3 and the common end of the resistor R5, one connection end of the capacitor C12 is connected with the PWM1 signal end of the microprocessor, and the other connection end is connected with the anode of the diode D3 and the common end of the resistor R5;
one connection terminal of the capacitor group B is connected with the cathode of the diode D3 and the common end of the resistor R5, and the other connection terminal is connected with the other terminal of the primary side of the transformer T1;
the diode D4 is connected in parallel with the resistor R6, the source of the field effect transistor Q2 is connected with the anode of the diode D4 and the common end of the resistor R6, the gate of the field effect transistor Q1 is connected with the cathode of the diode D4 and the common end of the resistor R6, one connection terminal of the capacitor C13 is connected with the PWM2 signal end of the microprocessor, and the other connection terminal is connected with the cathode of the diode D4 and the common end of the resistor R6;
one connection terminal of the capacitor group C is connected with the anode of the diode D4 and the common end of the resistor R6, and the other connection terminal is connected with the other terminal of the primary side of the transformer T1;
one end of the capacitor group B connected with the cathode of the diode D3 and the common end of the resistor R5 is connected with a VCC end, and one end of the capacitor group C connected with the anode of the diode D4 and the common end of the resistor R6 is grounded.
Further, the capacitor group B is a capacitor C6, a capacitor C7 and a capacitor C8 which are connected in parallel; the capacitor group C is a capacitor C11, a capacitor C10 and a capacitor C9 which are connected in parallel.
The beneficial effect of adopting the four steps is as follows: the capacitor group A, the capacitor group B, the capacitor group C and the transformer T1 can be connected in parallel, i.e. the limitation of components can be solved, so that higher output frequency can be designed to obtain larger output energy; by adopting the inverter circuit, the output radio frequency energy frequency can reach 1.25MHz, the blood coagulation effect is better when the 1.25MHz radio frequency energy frequency acts on bleeding tissues, the radio frequency hemostasis of the 1.25MHz energy output under the condition of the same output power enables the operation to be smoother and smoother, no dust is generated in the operation process, the interference to an operator is reduced, the advantage of blood coagulation on large-area bleeding tissues is most obvious, the point is white, and bleeding is stopped certainly.
Further, the display device also comprises a display circuit, and the display circuit is in two-way communication with the microprocessor.
Adopt above-mentioned further beneficial effect to do: the corresponding data can be displayed in real time so that the operator can know the corresponding information.
Further, the device also comprises a normal saline supply unit which is electrically connected with the microprocessor.
Adopt above-mentioned further beneficial effect to do: the tissue site may be cleaned to ensure that the procedure is performed efficiently.
Further, the saline supply unit includes: the motor is connected with the microprocessor, and an output shaft of the motor is fixed with an input shaft of the peristaltic pump.
Adopt above-mentioned further beneficial effect to do: can effectively control the dropping speed of the physiological saline and realize the optimization of the hemostatic effect.
Drawings
Fig. 1 is a circuit diagram of the human body resistance sampling circuit and the inverter circuit of the present invention;
fig. 2 is a circuit diagram of the rf hemostatic system of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a human body resistance sampling circuit 2, an inverter circuit 3, a power supply 4, a microprocessor 5, a display circuit 6, a peristaltic pump 7 and a motor.
Detailed Description
The principles and features of the invention are described below in conjunction with the following drawings, the examples given are only for explaining the invention and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, a radio frequency hemostasis system includes a human body resistance sampling circuit 1, and the human body resistance sampling circuit 1 includes: the circuit comprises a resistor R1, a diode D1 and a voltage division circuit, wherein two terminals on the secondary side of a transformer T1 in the inverter circuit 2 are in contact with human tissues, one terminal of a resistor R1 is connected with a VCC terminal, and the other terminal of a resistor R1 is connected with one terminal on the secondary side of a transformer T1 in the inverter circuit 2; the anode of the diode D1 is connected to the other terminal of the secondary side of the transformer T1 in the inverter circuit 2, the cathode of the diode D1 is connected to the VAD terminal through the voltage dividing circuit, a voltage is input at the VCC terminal, the voltage flows to the VAD terminal through the resistor R1, the human tissue, the diode D1 and the voltage dividing circuit, the impedance of the human tissue can be calculated by collecting the voltage at the VAD terminal, specifically, the impedance of the human tissue can be calculated by inputting the voltage at the VCC terminal, the output voltage at the VAD terminal, the resistance value of the resistor R1 and the resistance value of the voltage dividing circuit.
Example 2
As shown in fig. 1, this embodiment is further optimized based on embodiment 1, and it specifically includes the following steps:
the voltage dividing circuit includes: a resistor R2, a resistor R3, a capacitor C3, a diode D2 and an operational amplifier U1;
one terminal of the resistor R2 is connected with the cathode of the diode D1, and the other terminal of the resistor R2 is connected with the ground through the resistor R3;
the capacitor C3 is connected in parallel between two terminals of the resistor R3;
the cathode of the diode D2 is connected with the common end of the resistor R2 and the resistor R3, and the anode of the diode D2 is grounded;
the non-inverting end of the operational amplifier U1 is connected with the cathode of the diode D2, the output end of the operational amplifier U1 is connected with the VAD end, and the inverting end of the operational amplifier U1 is connected with the output end through a wire;
VCC end voltage flows into the VAD end through the resistor R1, the human tissue, the diode D1, the resistor R2 and the resistor R3, and the real-time state of the resistance value of the human tissue can be obtained by calculating by collecting the voltage of the VAD end;
the calculation process is as follows:
impedance of human tissue
VCC is the voltage value of VCC end input, VAD is the voltage value of VAD end that microprocessor 4 gathered, and R1, R2, R3 correspond the resistance value of resistance R1, resistance R2 and resistance R3 respectively.
Example 3
As shown in fig. 1, this embodiment is further optimized based on embodiment 1 or 2, and it is specifically as follows:
the inverter circuit 2 includes: a transformer T1, a capacitor C1, a capacitor C2, a resistor R4 and a capacitor group A;
for convenience of understanding, two terminals at the secondary side of the transformer T1 are respectively named as a terminal a and a terminal b, and two terminals at the primary side of the transformer T1 are respectively named as a terminal c and a terminal d;
the capacitor bank A and the resistor R4 are connected in parallel and then connected with two terminals on the secondary side of the transformer T1, namely the capacitor bank A and the resistor R4 are connected in parallel and then connected with a terminal a and a terminal b on the secondary side of the transformer T1;
a resistor R1 is connected with a terminal a on the secondary side of the transformer T1 through a capacitor C1, and the anode of a diode D1 is connected with a terminal b on the secondary side of the transformer T1 through a capacitor C2;
the capacitor group A is a plurality of capacitors connected in parallel.
For embodiment 3, the number of capacitors included in the capacitor bank a may be one or more capacitors connected in parallel, that is, the limitation of the components may be solved, so as to design a higher output frequency to obtain a larger output energy, in this embodiment: the capacitor bank a may be a capacitor C4 and a capacitor C5 connected in parallel with each other.
Example 4
As shown in fig. 1, this embodiment is further optimized based on embodiment 3, and it specifically includes the following steps:
the inverter circuit 2 further includes: a field effect transistor Q1, a field effect transistor Q2, a diode D3, a diode D4, a resistor R5, a resistor R6, a capacitor group B, a capacitor group C, a capacitor C12 and a capacitor C13;
the drain electrode of the field effect transistor Q1 and the drain electrode of the field effect transistor Q2 are connected with the terminal c at the primary side of the transformer T1;
the diode D3 is connected with the resistor R5 in parallel, the source of the field effect transistor Q1 is connected with the cathode of the diode D3 and the common end of the resistor R5, and the gate of the field effect transistor Q1 is connected with the anode of the diode D3 and the common end of the resistor R5; one connection of the capacitor C12 is connected with the PWM1 signal end of the microprocessor 4, and the other connection of the capacitor C12 is connected with the common end of the anode of the diode D3 and the resistor R5;
one connection terminal of the capacitor bank B is connected with the cathode of the diode D3 and the common end of the resistor R5, and the other connection terminal of the capacitor bank B is connected with the terminal D of the primary side of the transformer T1;
the diode D4 is connected with the resistor R6 in parallel, the source of the field effect transistor Q2 is connected with the anode of the diode D4 and the common end of the resistor R6, and the gate of the field effect transistor Q1 is connected with the cathode of the diode D4 and the common end of the resistor R6; one connection of the capacitor C13 is connected with the PWM2 signal end of the microprocessor 4, and the other connection of the capacitor C13 is connected with the common end of the cathode of the diode D4 and the resistor R6;
one connection terminal of the capacitor bank C is connected with the anode of the diode D4 and the common end of the resistor R6, and the other connection terminal of the capacitor bank C is connected with the terminal D of the primary side of the transformer T1;
one end of the capacitor group B connected with the cathode of the diode D3 and the common end of the resistor R5 is connected with a VCC end, and one end of the capacitor group C connected with the anode of the diode D4 and the common end of the resistor R6 is grounded.
The capacitor bank B is a plurality of capacitors connected in parallel.
For embodiment 4, the number of capacitors included in the capacitor bank B may be one or more capacitors connected in parallel, that is, the limitation of the components may be solved, so as to design a higher output frequency to obtain a larger output energy, in this embodiment: the capacitor group B is a capacitor C6, a capacitor C7 and a capacitor C8 which are connected in parallel; similarly, the capacitor C is also the capacitor C11, the capacitor C10 and the capacitor C9 which are connected in parallel;
the inverter circuit commonly used in the market at present adopts MOS to carry out inverter output design in modes such as full-bridge or half-bridge, and when high-power output is carried out, high-power output exceeding 1MHz can not be realized due to the limitation of elements and devices, power conversion and other factors, so that the inverter circuit becomes the main reason that the high-power output in the market is mostly within 500 KHz.
Example 5
As shown in fig. 2, this embodiment is further optimized based on embodiment 4, and the details thereof are as follows:
the radio frequency hemostasis system also comprises a power supply 3 and a microprocessor 4, wherein the power supply 3 is connected with a VCC end, the power supply 3 is used for supplying electric energy, the microprocessor 4 is connected with a VAD end,
voltage is introduced into a VCC end, the voltage flows to a VAD end after passing through a resistor R1, human tissues, a diode D1 and a voltage division circuit, the VAD end voltage is collected by the microprocessor 4, and the microprocessor 4 can match the impedance corresponding to the human tissues in the database according to the VAD end voltage because the resistor R1, the resistor R2, the resistor R3 and the VCC end voltage are constant values, data in the database can be led in after calculation in advance, the microprocessor 4 controls the inverter circuit 2 to output corresponding frequency according to the determined impedance of the human tissues, and the frequency output by the inverter circuit 2 is converted into energy to act on the human tissues;
example 6
As shown in fig. 2, this embodiment is further optimized based on embodiment 5, and it specifically includes the following steps:
the radio frequency hemostasis system further comprises a display circuit 5, the display circuit 5 is in two-way communication with the microprocessor 4, and the display circuit 5 can be preferably a touch display screen.
Example 7
As shown in fig. 2, this embodiment is further optimized based on embodiment 6, and it specifically includes the following steps:
the radio frequency hemostasis system further comprises a normal saline supply unit which is electrically connected with the microprocessor 4.
In the present embodiment, the saline supply unit includes: the peristaltic pump 6 and the motor 7, the motor 7 connects with the microprocessor 4, the output shaft of the motor 7 is fixed with the input shaft of the peristaltic pump 6, the water inlet of the peristaltic pump 6 is connected with the water inlet pipe, the water outlet of the peristaltic pump 6 extends to the treatment part through the pipe, and the liquid injected to the treatment part is normal saline.
As an application example:
the capacitance values of the capacitor C1 and the capacitor C2 are both 10 nF; the capacitance value of the capacitor C3 is 1 nF; the capacitance values of the capacitor C4 and the capacitor C5 are both 470 pF; the capacitance values of the capacitor C6, the capacitor C7, the capacitor C8, the capacitor C9, the capacitor C10 and the capacitor C11 are all 900 nF; the capacitance values of the capacitor C12 and the capacitor C13 are both 15 nF; the resistance values of the resistor R1 and the resistor R2 are both 100K omega; the resistance value of the resistor R3 is 20K omega; the resistance value of the resistor R4 is 20K omega; the resistance values of the resistor R5 and the resistor R6 are both 4.99K omega, and under the application example, the frequency of the output radio frequency energy can reach 1.25 MHz.
Although embodiments of the invention have been shown and described, it is to be understood that they have been presented by way of example only, and not limitation, and that changes, modifications, substitutions and alterations may be made by those skilled in the art without departing from the scope of the invention.
Claims (8)
1. A radio frequency hemostasis system, characterized by comprising a body resistance sampling circuit (1), the body resistance sampling circuit (1) comprising: the circuit comprises a resistor R1, a diode D1 and a voltage division circuit, wherein one terminal of the resistor R1 is connected with a VCC end, and the other terminal is connected with one terminal of the secondary side of a transformer T1 in an inverter circuit (2); the anode of the diode D1 is connected with the other terminal of the secondary side of the transformer T1 in the inverter circuit (2), and the cathode of the diode D1 is connected with the VAD end through a voltage division circuit;
the voltage dividing circuit includes: the circuit comprises a resistor R2, a resistor R3, a capacitor C3, a diode D2 and an operational amplifier U1, wherein one terminal of the resistor R2 is connected with the cathode of the diode D1, the other terminal of the resistor R2 is connected with the ground through the resistor R3, and the capacitor C3 is connected between the two terminals of the resistor R3 in parallel; the cathode of the diode D2 is connected with the common end of the resistor R2 and the resistor R3, and the anode of the diode D2 is grounded; the non-inverting terminal of the operational amplifier U1 is connected with the cathode of the diode D2, the output terminal of the operational amplifier U1 is connected with the VAD terminal, and the inverting terminal of the operational amplifier U1 is connected with the output terminal through a lead;
the device is characterized by further comprising a power supply (3) and a microprocessor (4), wherein the power supply (3) is connected with the VCC end, and the microprocessor (4) is connected with the VAD end.
2. A radio frequency hemostatic system according to claim 1, wherein: the inverter circuit (2) includes: the transformer T1, a capacitor C1, a capacitor C2, a resistor R4 and a capacitor group A, two terminals on the secondary side of the transformer T1 are sequentially connected with the capacitor group A and a resistor R4 in parallel, the resistor R1 is connected with one terminal on the secondary side of the transformer T1 through a capacitor C1, and the anode of the diode D1 is connected with the other terminal on the secondary side of the transformer T1 through a capacitor C2; the capacitor group A is a plurality of capacitors connected in parallel.
3. A radio frequency hemostatic system according to claim 2, wherein: the capacitor group A is a capacitor C4 and a capacitor C5 which are connected in parallel.
4. A radio frequency hemostatic system according to claim 2, wherein: the inverter circuit (2) further includes: a field effect transistor Q1, a field effect transistor Q2, a diode D3, a diode D4, a resistor R5, a resistor R6, a capacitor group B, a capacitor group C, a capacitor C12 and a capacitor C13;
the drain electrode of the field effect transistor Q1 and the drain electrode of the field effect transistor Q2 are connected with one terminal of the primary side of the transformer T1;
the diode D3 is connected in parallel with the resistor R5, the source of the field effect transistor Q1 is connected with the cathode of the diode D3 and the common end of the resistor R5, the gate of the field effect transistor Q1 is connected with the anode of the diode D3 and the common end of the resistor R5, one connection wire of the capacitor C12 is connected with the PWM1 signal end of the microprocessor (4), and the other connection wire is connected with the anode of the diode D3 and the common end of the resistor R5;
one connection terminal of the capacitor group B is connected with the cathode of the diode D3 and the common end of the resistor R5, and the other connection terminal is connected with the other terminal of the primary side of the transformer T1;
the diode D4 is connected in parallel with the resistor R6, the source of the field effect transistor Q2 is connected with the anode of the diode D4 and the common end of the resistor R6, the gate of the field effect transistor Q1 is connected with the cathode of the diode D4 and the common end of the resistor R6, one connection end of the capacitor C13 is connected with the PWM2 signal end of the microprocessor (4), and the other connection end is connected with the cathode of the diode D4 and the common end of the resistor R6;
one connection terminal of the capacitor group C is connected with the anode of the diode D4 and the common end of the resistor R6, and the other connection terminal is connected with the other terminal of the primary side of the transformer T1;
one end of the capacitor bank B connected with the cathode of the diode D3 and the common end of the resistor R5 is connected with a VCC end, and one end of the capacitor bank C connected with the anode of the diode D4 and the common end of the resistor R6 is grounded.
5. A radio frequency hemostatic system according to claim 4, wherein: the capacitor group B is a capacitor C6, a capacitor C7 and a capacitor C8 which are connected in parallel; the capacitor group C is a capacitor C11, a capacitor C10 and a capacitor C9 which are connected in parallel.
6. A radio frequency hemostatic system according to claim 1, wherein: the display device further comprises a display circuit (5), and the display circuit (5) is in two-way communication with the microprocessor (4).
7. A radio frequency hemostatic system according to claim 1, wherein: the device also comprises a normal saline supply unit which is electrically connected with the microprocessor (4).
8. A radio frequency hemostatic system according to claim 7, wherein: the saline supply unit includes: the device comprises a peristaltic water pump (6) and a motor (7), wherein the motor (7) is connected with a microprocessor (4), and an output shaft of the motor (7) is fixed with an input shaft of the peristaltic water pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807764.XU CN217090884U (en) | 2021-11-16 | 2021-11-16 | Radio frequency hemostasis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807764.XU CN217090884U (en) | 2021-11-16 | 2021-11-16 | Radio frequency hemostasis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217090884U true CN217090884U (en) | 2022-08-02 |
Family
ID=82588296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122807764.XU Active CN217090884U (en) | 2021-11-16 | 2021-11-16 | Radio frequency hemostasis system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217090884U (en) |
-
2021
- 2021-11-16 CN CN202122807764.XU patent/CN217090884U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105496549A (en) | RF (radio frequency) generator and method for generating RF energy by using same | |
| US20100198213A1 (en) | Circuit for radiofrequency devices applicable to living tissues and device containing same | |
| CN111214289A (en) | Radio frequency energy generation device and radio frequency ablation system | |
| CN217090884U (en) | Radio frequency hemostasis system | |
| CN117137612A (en) | Low-temperature curet operation equipment with nerve detection function | |
| CN109771025B (en) | Impedance detection module for medical equipment cloud system | |
| CN2912549Y (en) | Electrotomy device | |
| CN1586420A (en) | Power generating and monitoring circuit of radio frequency melting therapeutic system | |
| CN202699277U (en) | High-frequency operation therapeutic apparatus | |
| CN211934284U (en) | Minimally invasive surgery generation device with ultrasonic and radio frequency functions are integrated | |
| CN115300091B (en) | Steam ablation system | |
| CN208174546U (en) | A kind of medical switch power source adapter | |
| CN209302026U (en) | A kind of short wave therapy apparatus sense formula electrode tip power output indicating mechanism | |
| CN209003957U (en) | It surveys skin circuit and surveys skin ultrasound and shovel skin instrument | |
| CN107332457B (en) | Multi-path parallel inversion control method and system for low-temperature plasma system | |
| CN211934277U (en) | Radio frequency energy generation device and radio frequency ablation system | |
| CN112755395B (en) | True and false pulse magnetic stimulation therapeutic instrument | |
| CN217488827U (en) | Ultrasonic high-frequency electrotome control system | |
| CN114949614A (en) | Frequency modulation signal generator for millimeter wave therapeutic apparatus | |
| CN112755396B (en) | Transcranial magnetic stimulation system | |
| CN213940706U (en) | Skin detection circuit and massage instrument | |
| CN204484290U (en) | For operating Plasma system | |
| CN109793567B (en) | DDS waveform generation module of medical equipment cloud system | |
| CN217282747U (en) | Automatic resonance high-voltage high-frequency alternating current power supply of capacitive load | |
| CN109861529B (en) | Medical equipment cloud system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |