CN217310556U - Plasma surgical system with multiple output interfaces - Google Patents
Plasma surgical system with multiple output interfaces Download PDFInfo
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- CN217310556U CN217310556U CN202221112569.3U CN202221112569U CN217310556U CN 217310556 U CN217310556 U CN 217310556U CN 202221112569 U CN202221112569 U CN 202221112569U CN 217310556 U CN217310556 U CN 217310556U
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Abstract
The utility model discloses a plasma operation system with multiple output interfaces, belonging to the field of medical appliances, comprising an AC commercial power interface and a plurality of plasma energy modules, wherein the plasma energy modules comprise an AC-DC power module, a DC direct current voltage reduction module, a DC-AC inverter circuit, an LC filter circuit and a voltage boosting drive circuit which are connected in sequence; alternating current commercial power passes through a plurality of boosting drive circuits of a plurality of plasma energy modules to obtain multi-path output, all the paths of output realize the switching of different paths of output through an on-off device, each path of output is connected with an output interface, and the on-off device is connected with a control module; each output interface is connected with a plasma surgical instrument. The utility model discloses realize a plurality of electrodes of an equipment synchronous connection, avoided in the operation repeatedly pull out and insert the inconvenience that the switching electrode pair operation brought, also avoided being connected to the electrode to other uncomfortable to join in marriage in proper order adverse effect to the hemostasis and brought, expanded the range of application of plasma operation system.
Description
Technical Field
The utility model relates to the field of medical appliances, in particular to a plasma surgical system with multiple output interfaces.
Background
The low-temperature plasma operation system is characterized in that a plasma thin layer with the thickness of about 50 microns is formed around an electrode by exciting electrolyte (physiological saline) through a radio-frequency electric field of 100KHz, and the plasma thin layer is composed of a large number of charged particles to generate enough energy (electron voltage) to open molecular bonds forming target tissue cells at low temperature (40-70 ℃), so that tissues are rapidly decomposed into molecules and atoms with low molecular weight, and therefore, efficient tissue cutting and ablation can be formed at low temperature, and the hemostatic effect can be achieved through coagulation. Because the tissue is not directly damaged, the damage to the surrounding tissue is extremely small, the current does not directly flow through the tissue, the tissue generates little heat, and the treatment temperature is low. Therefore, with "minimal invasion, accuracy, convenience, safety", the low temperature plasma system has been widely used in recent years for the treatment of diseases of otorhinolaryngology, urology surgery, spine surgery, etc., and has been tried in neurosurgery and proved to have good effects.
In neurosurgery, surgeons typically have a variety of functional requirements and requirements for electrosurgical devices, such as the need for ablation to break tissue up with energy, the need for cutting to sharpen tissue with energy, and the need for targeted coagulation of tissue with energy. The plasma operation electrode or the cutter head is used as an application part of a plasma operation system, although the plasma operation electrode or the cutter head can directly act on human tissues to ablate, cut and coagulate tissues, the same type of plasma operation electrode or cutter head generally only focuses on one function, for example, the plasma operation electrode or the cutter head generally has a good ablation effect and a good coagulation effect, and the plasma operation electrode or the cutter head generally has a good ablation effect and a good coagulation effect. Therefore, a plurality of plasma operation electrodes or cutter heads are required to be used simultaneously in the neurosurgery, and the requirement of the neurosurgery cannot be met by only one plasma operation electrode or cutter head.
In addition, some neurosurgical operations, such as meningioma operations, require long working time of the tool bit, so that the service life of many plasma surgical electrodes or tool bits is not long enough to support a complete neurosurgical operation. Two or more plasma surgical electrodes or tips are typically required to complete the procedure.
In addition, in neurosurgery, because tissue blood supplies and bleeds abundantly, and the operation visual field needs to be kept clear at the same time, the requirement for blood coagulation is very high, so that blood coagulation operation is always needed. However, the conventional plasma surgical electrode is only suitable for coagulating small bleeding points caused by cutting and ablation operation, and for larger bleeding, coagulation hemostasis needs to be repeatedly operated, time and labor are wasted, and the expected effect cannot be achieved frequently, so that the conventional bipolar coagulation forceps are often required to be switched to treat the bleeding of larger blood vessels and deeper tissues in the operation.
As can be seen from the above, in neurosurgery, a plurality of plasma surgical electrodes or cutter heads need to be used simultaneously, and other hemostatic instruments such as bipolar coagulation forceps and the like need to be used frequently. However, the conventional plasma surgical system only has one energy output interface, and in order to use a plurality of plasma surgical electrodes and bipolar coagulation forceps in neurosurgery, the prior art generally has the following two modes:
the first method is as follows: according to the requirements, different plasma operation electrodes or knife heads, bipolar electric coagulation forceps and the like are pulled out and inserted back and forth on one energy output interface of the plasma operation system in the operation, or when one plasma operation electrode or knife head is completely consumed, the plasma operation electrode or knife head is pulled out and then is inserted into the plasma operation electrode or knife head again.
The mode needs repeated plugging and unplugging switching, and operations are still in progress in many times during plugging and unplugging, which brings inconvenience to the operations, is not favorable for the timeliness of switching, is easy to cause the confusion of operation electrode joints, seriously influences the operation process, and limits the application and popularization of the plasma electrode in the field of actual operations, especially neurosurgery. In addition, different operation electrodes have different powers, and the corresponding power needs to be adjusted after the plugging and unplugging switching, which further affects the operation.
The second method comprises the following steps: connecting the plasma operation electrode to a plasma operation system, and connecting the bipolar electric coagulation forceps to a high-frequency operation system and a radio-frequency operation system.
Although the plasma surgical electrode and the bipolar coagulation forceps do not need to be repeatedly plugged and unplugged, the main frequencies of the traditional high-frequency surgical system and the traditional radio-frequency surgical system are mostly 300-500KHz and 4.2MHz, and the frequencies are too high, so that the temperature of the connected bipolar coagulation forceps is too high. The tissue after coagulation can be stuck on the forceps tip of the bipolar coagulation forceps due to the overhigh temperature, so that the coagulation tissue is damaged and can not be completely stopped, even after the coagulation and the hemostasis of the soft tissue are finished, secondary bleeding can be caused due to traction caused by adhesion when the bipolar coagulation forceps are removed, meanwhile, the tissue is carbonized due to the overhigh temperature to form eschar, the risk of postoperative eschar falling and bleeding also exists, and the postoperative recovery of a patient is influenced; in order to remove the tissue attached to the forceps tips, doctors need to frequently clean the forceps tips in the operation process, which brings inconvenience to the doctors.
SUMMERY OF THE UTILITY MODEL
The utility model provides a plasma operation system with many output interface realizes a plurality of operation electrodes of equipment synchronous connection or tool bit, has avoided in the operation repeatedly pulling out and inserting switching electrode or tool bit inconvenience that the operation brought, has improved the practicality of plasma operation system, has expanded the range of application of plasma operation system.
The utility model provides a technical scheme as follows:
a plasma surgical system with multiple output interfaces comprises an alternating current mains supply interface, wherein the alternating current mains supply interface is connected with a plurality of plasma energy modules, and each plasma energy module comprises an AC-DC power supply module, a DC direct current voltage reduction module, a DC-AC inverter circuit, an LC filter circuit and a voltage boosting drive circuit which are sequentially connected;
the plasma energy modules are provided with a plurality of boosting drive circuits, alternating current mains supply obtains multi-path output after passing through the boosting drive circuits of the plasma energy modules, all the paths of output realize the switching of different paths of output through an on-off device, each path of output is connected with an output interface, and the on-off device is connected with a control module;
each output interface is connected with a plasma surgical instrument.
Furthermore, the number of the plasma energy modules is the same as that of the output interfaces, all the plasma energy modules are connected with the alternating current commercial power interface through the on-off device, each plasma energy module comprises an AC-DC power supply module, a DC direct current voltage reduction module, a DC-AC inverter circuit, an LC filter circuit and a voltage boosting drive circuit which are sequentially connected, and the voltage boosting drive circuit of each plasma energy module is respectively connected with one output interface.
Furthermore, the number of the plasma energy modules is one, the plasma energy modules comprise an AC-DC power module, a DC direct-current voltage reduction module, a DC-AC inverter circuit, an LC filter circuit and a plurality of boost driving circuits which are connected in sequence, the number of the boost driving circuits is the same as that of the output interfaces, the LC filter circuit is connected with the plurality of boost driving circuits through the on-off device, and each boost driving circuit is connected with one output interface.
Furthermore, the control module is connected with a plurality of fluid on-off devices through one fluid on-off device, so that switching of different fluid on-off devices is realized.
Furthermore, each output interface is connected with the control module through an information acquisition module.
Furthermore, the alternating current commercial power interface is connected with the control module through an auxiliary power circuit.
Furthermore, the control module is connected with a control switch and a display module.
Furthermore, the control switch is a foot switch and comprises an output interface change-over switch, a cutting and ablation output switch and a coagulation and hemostasis output switch.
Further, the AC-DC power supply module includes a single-phase bridge rectifier circuit and an energy storage filter capacitor, the DC voltage reduction module includes a BUCK DC chopper circuit, and the DC-AC inverter circuit includes a single-phase full bridge inverter circuit.
Further, the boost driving circuit comprises a high-frequency transformer, a voltage stabilizing chip, a diode and an inductor.
Further, the plasma surgical instrument comprises a plasma surgical electrode, wherein the plasma surgical electrode comprises a joint, a cable, a handle, an electrode rod and a cutter head assembly which are sequentially connected;
the connector is connected with the output interface, and a lead in the cable penetrates through the handle and the inside of the electrode rod and is connected with the cutter head component.
The utility model discloses following beneficial effect has:
the utility model discloses a plasma operation system has many output interface, can provide different energy output in a surgical equipment, only use an equipment to realize the function of multiple scope plasma energy output in the realization operation, a plurality of operation electrodes of equipment synchronous connection or tool bit, the inconvenience of switching electrode or tool bit to the operation of pulling out repeatedly in having avoided the operation is connected to electrode or tool bit to other uncomfortable and is joined in marriage systematically (like high frequency operation system, radio frequency operation system etc.) the adverse effect that brings to stanching has also been avoided. The utility model provides high plasma operation system's practicality has richened operation equipment's function, has promoted operation equipment's integrated nature, has extended plasma operation system's range of application, has solved operation equipment's purchasing cost and maintenance cost, operation space, operation preparation time, operation scheduling problem.
Drawings
FIG. 1 is a schematic view of one embodiment of a plasma surgical system with multiple output interfaces according to the present invention;
FIG. 2 is a schematic diagram of another embodiment of a plasma surgical system having multiple output interfaces in accordance with the present invention;
fig. 3 is a schematic diagram of a plasma power module of the plasma surgical system having a multiple output interface shown in fig. 1;
FIG. 4 is a schematic diagram of a plasma energy module of the plasma surgical system having a multiple output interface shown in FIG. 2;
FIG. 5 is a schematic view of one embodiment of a plasma surgical electrode.
Detailed Description
To make the technical problems, technical solutions and advantages of the present invention clearer, the following description is made in conjunction with the accompanying drawings and specific embodiments.
The utility model provides a plasma operation system with many output interface, as shown in fig. 1-5, including exchanging commercial power interface 1, it is connected with a plurality of plasma energy module 2 to exchange commercial power interface 1, plasma energy module 2 is including AC-DC power module 3, DC direct current step-down module 4, DC-AC inverter circuit 5, LC filter circuit 6 and the drive circuit 7 that steps up that connects gradually.
The plasma energy modules 2 are provided with a plurality of boosting drive circuits 7, alternating current mains supply passes through the boosting drive circuits 7 of the plasma energy modules 2 to obtain multiple paths of outputs 8, all the paths of outputs 8 are switched among different paths of outputs 8 through an on-off device 9, each path of output 8 is connected with an output interface 10, and the on-off device 9 is connected with a control module 11.
Each output interface 10 is connected to a plasma surgical instrument 18.
When the plasma energy generation device is used, the alternating current commercial power interface 1 is connected with 220V alternating current commercial power, and the plurality of (one or more) plasma energy modules 2 are connected with the 220V alternating current commercial power and used for providing plasma energy. The 220V alternating current commercial power is subjected to stable direct current voltage obtained by the AC-DC power supply modules 3 of the plasma energy modules 2, adjustable direct current voltage stabilization is obtained by the DC direct current voltage reduction module 4, the voltage is inverted into high-frequency square waves by the DC-AC inverter circuit 5, and then 100KHz high-frequency alternating current low voltage electricity can be obtained by the LC filter circuit 6. The high-frequency alternating current low voltage power passes through a plurality of boosting drive circuits 7 to obtain drive power supplies with different high voltages of 100KHz and obtain pulse power supplies with different energies, and the drive power supplies reach an output interface 10.
The plurality of output interfaces 10 are used for communicating with a plasma surgical instrument 18, the plasma surgical instrument 18 is a surgical instrument such as a plasma surgical electrode or a scalpel head, and the plasma surgical instrument 18 serving as a plasma surgical system outputs plasma energy to act on a human body to perform corresponding ablation, cutting and coagulation hemostasis operations. The plasma surgical instrument 18 includes, but is not limited to, a plasma surgical electrode, a bipolar hemostatic electrode (e.g., bipolar coagulation forceps), and the like, which may be a plasma ablation electrode, a plasma cutting electrode, a plasma hemostatic electrode, and the like.
Electrocoagulation is an efficient and reliable hemostasis method and is widely used in surgical operations. The bipolar coagulation forceps have various shapes, and the main principle is that two forceps sheets are arranged in a fixed seat, and the forceps sheets are kneaded by fingers to enable the tip parts of the two forceps sheets to clamp blood vessels or tissues, so that high-frequency electric energy is provided for body tissues through the two tip ends of the bipolar coagulation forceps, the blood vessels between the two ends of the bipolar coagulation forceps are dehydrated and coagulated, and the purpose of stopping bleeding is achieved.
The main frequencies of the traditional high-frequency surgical system and the radio-frequency surgical system are 300-500KHz and 4.2MHz, and the frequencies are too high, so that the temperature of the connected bipolar coagulation forceps is too high, and the hemostasis is adversely affected. The utility model discloses connect bipolar coagulation forceps on 100 KHz's output, solved the hemostasis problem that bipolar coagulation forceps high temperature leads to.
For example, the output interface 10 can be provided in two, and two identical plasma surgical electrodes or cutting heads such as ablation electrodes can be selected for use, so as to meet the requirement of working for a longer time. One ablation or cutting electrode can be matched with a bipolar hemostasis electrode to meet the requirements of ablation, hemostasis or cutting and hemostasis.
The output interfaces 10 can also be provided in three, and can be selectively connected with an ablation electrode, a cutting electrode and a hemostatic electrode respectively. Of course, the output interface 10 can be provided with more electrodes, and the selection can be made according to the operation requirement.
The output interface 10 can be set to be in an activated state by the control module 11, only the output interface 10 in the activated state can normally work, and the working state of the output interface 10 can be controlled and switched by the on-off device 9 gated by the control module 11.
The utility model discloses a plasma operation system has many output interfaces, can provide different energy output in a surgical equipment, only use an equipment to realize the function of multiple scope plasma energy output in the realization operation, a plurality of operation electrodes of equipment synchronous connection or tool bit, the inconvenience that switching electrode or tool bit brought the operation has been avoided pulling out repeatedly in the operation, also avoided being connected to electrode or tool bit other unsuitable to join in marriage in the system (like high frequency operation system, radio frequency operation system etc.) to the adverse effect that the hemostasis brought. The utility model provides high plasma operation system's practicality has richened the function of surgical equipment, has promoted surgical equipment's integrated nature, has expanded plasma operation system's range of application, has solved surgical equipment's purchasing cost and maintenance cost, operation space, operation preparation time, operation scheduling problem.
The utility model discloses in, the quantity of plasma energy module 2 is one or more, and output interface 10's quantity is a plurality of, for the matching of realizing plasma energy module 2 and output interface 10, can have following two kinds of implementation.
1. The number of the plasma energy modules 2 is the same as the number of the output interfaces 10, each plasma energy module 2 corresponds to one output interface 10, and at this time:
as shown in fig. 3, all the plasma energy modules 2 are connected to the AC mains interface 1 through the on-off device 9, each plasma energy module 2 includes an AC-DC power module 3, a DC-DC voltage-reducing module 4, a DC-AC inverter circuit 5, an LC filter circuit 6, and a boost driving circuit 7, which are connected in sequence, the output of the boost driving circuit 7 of each plasma energy module 2 is a single output 8, and each boost driving circuit 7 is connected to an output interface 10.
2. The number of the plasma energy modules 2 is one, one plasma energy module 2 corresponds to a plurality of output interfaces 10, and at this time:
as shown in fig. 4, the plasma energy module 2 includes an AC-DC power module 3, a DC buck module 4, a DC-AC inverter circuit 5, an LC filter circuit 6, and a plurality of boost driver circuits 7, which are connected in sequence, where the number of the boost driver circuits 7 is the same as that of the output interfaces 10, the LC filter circuit 6 is connected to the boost driver circuits 7 through the on-off device 9, the output of each boost driver circuit 7 is one output 8, and each boost driver circuit 7 is connected to one output interface 10.
Plasma surgical electrodes generally include a water inlet conduit for spraying water to the surgical site and a suction conduit for suctioning the cut and ablated tissue away. The utility model discloses a control module 11 is connected with a plurality of fluid on-off device 13 through a fluid on-off device 12, realizes the switching of different fluid on-off device 13, and a plurality of fluid on-off device 13 are used for controlling the fluid break-make of a plurality of operation electrodes, the operation of control water spray and attraction.
The control module 11 switches the on-off device 9 to connect with the corresponding output interface 10 and switches the fluid on-off device 12 to connect with the corresponding fluid on-off device 13, so that the single-channel work of different operation electrodes and the corresponding fluid on-off devices can be realized through the on-off device 9 and the fluid on-off device 13, the corresponding operation electrode is selected, and the plasma energy source is introduced into the pathological tissue.
Each output interface 10 is connected to the control module 11 through an information acquisition module 14, and the information acquisition module 14 acquires information of each output interface 10, so that the control module 11 performs corresponding operations.
The alternating current commercial power interface 1 is connected with the control module 11 through an auxiliary power circuit 15. The auxiliary power circuit 15 is an AC-DC power module, and 220V commercial power generates power required by the system by passing through the auxiliary power circuit 15.
The control module 11 is connected with a control switch 16 and a display module 17, the system stores each working mode (such as ablation, cutting, coagulation and hemostasis modes; cutting, hemostasis, coagulation and perforation modes; needle-shaped cutting, bipolar coagulation and endoscope coagulation modes, etc.) in advance, and the display module 17 displays the corresponding working mode and the power gear thereof. After the system is powered on, the output interface 10 is respectively connected with each operation electrode, the working mode is switched by the operation of the control switch 16, the control switch 16 can be a pedal switch, the control switch 16 comprises an output interface switching switch, a cutting ablation output switch, a coagulation hemostasis output switch and the like, the on-off device 9 and the fluid on-off device 13 are controlled by the operation of the control switch 16, the single-channel work of different operation electrodes and corresponding fluid on-off devices is realized, the corresponding operation electrodes are selected, plasma ablation, cutting, coagulation and hemostasis are provided, and corresponding information is displayed on the display module 17.
Specifically, the AC-DC power supply module 3 includes a single-phase bridge rectifier circuit and an energy storage filter capacitor, the DC voltage reduction module 4 includes a BUCK DC chopper circuit, the DC-AC inverter circuit 5 includes a single-phase full-bridge inverter circuit, and the boost driving circuit 7 includes a high-frequency transformer, a voltage stabilization chip, a diode, and an inductor.
The 220V alternating current commercial power is converted into direct current through the single-phase bridge rectifier circuit, stable direct current voltage is obtained through the energy storage filter capacitor, adjustable direct current voltage is obtained through the BUCK direct current chopper circuit, and the BUCK direct current chopper circuit is used for controlling the maximum output power of the plasma energy module 2 to be smaller than 50W; then the voltage is inverted into high-frequency square waves through a single-phase full-bridge inverter circuit, then high-frequency low-voltage alternating voltage of 100KHz can be obtained through an LC filter circuit, finally the voltage is boosted to high-frequency high-voltage alternating current through a high-frequency transformer, and power is generated through voltage stabilizing chips, diodes, inductors and other components to drive a power supply to reach an output interface 10.
The present invention does not limit the specific structure of the plasma operation electrode, and generally, as shown in fig. 5, the plasma operation electrode 18 includes a joint 19, a cable 20, a handle 21, an electrode rod 22 and a cutter head assembly 23 which are connected in sequence.
The connector 19 is connected to the output interface 10 and the wires in the cable 20 pass through the inside of the handle 21 and the electrode shaft 22 and are connected to the cutter head assembly 23. Output interface 10 transmits the plasma energy source to cutting head assembly 23 via the wires of cable 20 for introduction into the diseased tissue.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A plasma surgical system with multiple output interfaces is characterized by comprising an alternating current commercial power interface, wherein the alternating current commercial power interface is connected with a plurality of plasma energy modules, and each plasma energy module comprises an AC-DC power supply module, a DC direct current voltage reduction module, a DC-AC inverter circuit, an LC filter circuit and a voltage boosting driving circuit which are sequentially connected;
the plasma energy modules are provided with a plurality of boosting drive circuits, alternating current commercial power is output in multiple paths after passing through the boosting drive circuits of the plasma energy modules, switching of different paths of output is realized through an on-off device for all paths of output, each path of output is connected with an output interface, and the on-off device is connected with a control module;
each output interface is connected with a plasma surgical instrument.
2. The plasma surgical system with multiple output interfaces according to claim 1, wherein the number of the plasma energy modules is the same as the number of the output interfaces, all the plasma energy modules are connected to the AC mains interface through the on-off device, each plasma energy module comprises an AC-DC power module, a DC-DC voltage reduction module, a DC-AC inverter circuit, an LC filter circuit and a voltage boosting driving circuit, which are connected in sequence, and the voltage boosting driving circuit of each plasma energy module is connected to one output interface respectively.
3. The plasma surgical system with multiple output interfaces according to claim 1, wherein the number of the plasma energy modules is one, the plasma energy modules comprise an AC-DC power supply module, a DC direct-current voltage reduction module, a DC-AC inverter circuit, an LC filter circuit and a plurality of voltage boosting driving circuits, which are connected in sequence, the number of the voltage boosting driving circuits is the same as that of the output interfaces, the LC filter circuit is connected with the plurality of voltage boosting driving circuits through the on-off device, and each voltage boosting driving circuit is connected with one output interface.
4. The plasma surgical system with multiple output interfaces of claim 1, wherein the control module is connected to a plurality of fluid switches through one fluid switch device to switch between different fluid switches.
5. The plasma surgical system having multiple output interfaces of claim 4, wherein each output interface is connected to the control module through an information acquisition module.
6. The plasma surgical system with multiple output interfaces of claim 5, wherein the AC mains interface is connected to the control module through an auxiliary power circuit.
7. The plasma surgical system with multiple output interfaces of claim 6, wherein a control switch and a display module are connected to the control module.
8. The plasma surgical system with multiple output interfaces of claim 7, wherein the control switch is a foot switch, the control switch including an output interface toggle switch, a cutting ablation output switch, and a coagulation hemostasis output switch.
9. The plasma surgical system with multiple output interfaces of claim 1, wherein the AC-DC power module comprises a single-phase bridge rectifier circuit and an energy storage filter capacitor, the DC voltage reduction module comprises a BUCK DC chopper circuit, the DC-AC inverter circuit comprises a single-phase full-bridge inverter circuit, and the boost driver circuit comprises a high frequency transformer, a voltage regulator chip, a diode, and an inductor.
10. The plasma surgical system having a multiple output interface of any of claims 1-9, wherein the plasma surgical instrument comprises a plasma surgical electrode comprising a joint, a cable, a handle, an electrode rod, and a cutter head assembly connected in series;
the connector is connected with the output interface, and a lead in the cable penetrates through the handle and the inside of the electrode rod and is connected with the cutter head component.
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CN117122402A (en) * | 2023-10-26 | 2023-11-28 | 合肥中科离子医学技术装备有限公司 | Plasma treatment system |
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CN117122402A (en) * | 2023-10-26 | 2023-11-28 | 合肥中科离子医学技术装备有限公司 | Plasma treatment system |
CN117122402B (en) * | 2023-10-26 | 2024-02-13 | 合肥中科离子医学技术装备有限公司 | Plasma treatment system |
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