CN219963048U

CN219963048U - ablation electrode

Info

Publication number: CN219963048U
Application number: CN202320987581.7U
Authority: CN
Inventors: 陈永刚; 吴斌; 窦杰
Original assignee: Hangzhouready Biological Technology Co ltd
Current assignee: Hangzhouready Biological Technology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-11-07
Anticipated expiration: 2033-04-27

Abstract

The present utility model relates to an ablation electrode. The ablation electrode is composed of a working device and a reading device. In the working state, the working device performs discharge ablation work, so the working device can only be disposable. The reading device is inserted into the working device, the reading device can be separated from the working device, and the reading device is connected with the working device and can be reused without being polluted. This separate design of the working device and the reading device allows cost savings. It is worth noting that the working equipment is provided with a circuit board, the circuit board is used for bearing the electrical connection points of the storage chip and the ablation anode electrode, a disposable information reading program is arranged in the storage chip, the reading equipment erases the anti-counterfeiting information of the storage device after reading the data, and the data cannot be read normally during secondary use, so that the disposable use of the working equipment is ensured. The utility model solves the defect that the existing ablation electrode is reused.

Description

Ablation electrode

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an ablation electrode.

Background

Pulsed electric field ablation is a new type of tissue ablation means based on physical energy factors, which has been developed in recent years, and uses a high-voltage pulsed electric field as energy, and it does not depend on temperature effects, but forms irreversible perforations on cell membranes by releasing high-voltage pulses, and damages the intracellular balance, thereby causing the cells to die rapidly.

Clinically used ablation electrodes are typically disposable. However, in actual operation, in order to save the expense or gain illegal violence, some doctors or merchants use the disposable ablation electrode for multiple times, so that the risk of operation is increased, the medical potential safety hazard is brought, even the medical accident is generated, and the personal safety of patients is endangered.

In order to solve the defect that the existing ablation electrode is reused, the utility model provides an ablation electrode.

Disclosure of Invention

An ablation electrode comprising a working device and a reading device, the working device being connected to the reading device;

the working device includes:

the electrode handle comprises a body and a circuit board, wherein the circuit board is fixedly connected to the body through a mounting hole, the circuit board is provided with a communication power supply contact, a communication end contact and a communication grounding contact, a first resistor is connected between the communication power supply contact and the communication end contact, and the body is provided with an anode mounting hole;

an ablation anode electrode arranged in the anode mounting hole;

the memory chip is attached to the circuit board and is electrically connected with the communication power supply contact, the communication end contact and the communication grounding contact;

the reading device includes:

the connecting wire comprises an anode wire, an annular insulating sleeve, a communication power wire, a communication grounding wire and an annular shell, wherein the annular insulating sleeve is sleeved on the anode wire, the communication power wire, the communication wire and the communication grounding wire are attached to the outer circumferential surface of the annular insulating sleeve, and the annular shell is sleeved outside the annular insulating sleeve;

the electrode handle is connected with the connecting wire through the connector;

and the control board is in communication connection with the connecting wire.

Further, the memory chip is provided with a first capacitor;

the power end of the memory chip is electrically connected with one end of the first capacitor, and the other end of the first capacitor is electrically connected with the communication grounding contact;

the writing control end of the memory chip is electrically connected with the communication grounding contact;

the grounding end of the memory chip is electrically connected with the communication grounding contact;

the power end of the memory chip is electrically connected with the communication power contact;

the data control end of the memory chip is electrically connected with the communication end contact;

the clock control end of the memory chip is electrically connected with the communication end contact.

Further, the method comprises the steps of,

the control board comprises a second capacitor, a switching diode, a second resistor, a reading chip, a first power supply and a second power supply;

the main control chip, the first power supply, the amplitude limiting end of the switching diode and the bidirectional data control end of the reading chip are connected to the same point X;

the communication terminal contact is electrically connected to a connecting link between the main control chip and the X point;

the second resistor is electrically connected to a connecting link between the first power supply and the X point;

the first polar plate of the second capacitor is electrically connected to a connecting link between the first power supply and the second resistor; the second polar plate of the second capacitor is grounded;

the power end of the reading chip is electrically connected with the first polar plate of the second capacitor;

the second power supply is electrically connected with the cathode of the switching diode, and the anode of the switching diode is grounded.

Further, the body further comprises a rectangular hole;

the circuit board is arranged inside the rectangular through hole;

the rectangular holes and the ablation anode electrode are arranged on two opposite sides of the body.

Further, the communication power contact, the communication terminal contact and the communication ground contact are arranged in parallel;

the communication power contact, the communication end contact and the communication ground contact are close to the outer surface of the body.

Further, the anode mounting hole comprises a first through hole and a second through hole;

the first through hole is communicated with the second through hole;

the ablation anode electrode is arranged at the first through hole;

the second through hole and the rectangular hole are arranged on the same side of the body.

Further, the second through hole is conical near the first through hole;

the diameter of the conducting part of the first through hole and the second through hole is smaller than that of the first through hole.

The connector comprises a shell, a first elastic piece, a second elastic piece, a third elastic piece and a high-pressure core needle;

the high-voltage core pin is fixedly connected to the shell and is electrically connected with the anode lead;

the first elastic piece, the second elastic piece and the third elastic piece are arranged in parallel;

the first elastic piece, the second elastic piece and the third elastic piece are all fixed in the inner cavity of the shell and are close to the top end of the shell.

Further, the first elastic piece, the second elastic piece and the third elastic piece have the same structure;

the first elastic piece is electrically connected with the communication power supply wire, the second elastic piece is electrically connected with the communication wire, and the third elastic piece is electrically connected with the communication grounding wire;

the first elastic piece comprises a fixing piece and an elastic piece;

the fixing piece is fixedly connected with the elastic piece;

the fixing piece is fixedly connected with the shell.

Further, the middle part of the elastic sheet is raised, two ends of the elastic sheet are propped against the shell, and a cavity is formed between the middle part of the elastic sheet and the shell.

The present utility model relates to an ablation electrode. The ablation electrode is composed of a working device and a reading device. In the working state, the working device can perform discharge ablation work, so the working device can only be disposable. The reading device is inserted into the working device, the reading device can be separated from the working device, and the reading device is only connected with the working device and can be reused without being polluted. This separate design of the working device and the reading device allows cost savings. It is worth noting that the working equipment is provided with a circuit board, the circuit board is used for bearing the electrical connection points of the storage chip and the ablation anode electrode, a disposable information reading program is arranged in the storage chip, the reading equipment erases the anti-counterfeiting information of the storage device after reading the data, and the data cannot be read normally during secondary use, so that the disposable use of the working equipment is ensured. The utility model solves the defect that the existing ablation electrode is reused.

Drawings

Fig. 1 is a schematic diagram of an ablation electrode according to an embodiment of the present utility model.

Fig. 2 is a circuit diagram of a memory chip of an ablation electrode according to an embodiment of the present utility model.

Fig. 3 is a circuit diagram of a control board of an ablation electrode according to an embodiment of the present utility model.

Fig. 4 is a schematic view of an ablation electrode according to another embodiment of the present utility model.

Fig. 5 is a schematic view of an ablation electrode according to another embodiment of the present utility model.

Fig. 6 is a schematic diagram of an ablation electrode according to still another embodiment of the present utility model.

Reference numerals:

a-a working device; b-a reading device; 100-electrode handle; 110-body; 111-rectangular holes;

120-a circuit board; 121-communication power contacts; 122-communication terminal contacts; 123-communication ground contacts;

124-a first resistor; 125-anode mounting holes; 125 a-a first through hole; 125 b-a second through hole;

125 c-a place where the first through hole is communicated with the second through hole; 200-ablating the anode electrode; 300-a memory chip;

310-a first capacitance; 400-connecting wires; 410-an anode lead; 420-an annular insulating sleeve;

430-communication power conductors; 440-communication conductors; 450—communication ground wire; 460-an annular housing;

500-connectors; 510-a housing; 520-a first spring; 521-fixing sheets; 522-elastic sheets;

530-a second spring; 540-a third spring plate; 550-high-pressure core needle; 600-control panel;

610-a second capacitance; 611-a first plate of a second capacitance; 612-a second plate of a second capacitor;

620-switching a diode; 621-clipping end; 622-the cathode of the switching diode;

623-the anode of the switching diode; 630-a second resistor; 640-reading the chip;

650-a first power supply; 660-a second power supply; 670-a main control chip;

a first address input pin of the EO-memory chip; e1-a second address input pin of the memory chip;

a third address input pin of the E2-memory chip; a write control end of the WC-memory chip;

a power supply terminal of the VCC-memory chip; GND 1-the ground terminal of the memory chip;

the data control end of the SDA-memory chip; the clock control end of the SCL-memory chip;

NC 1-reading a first empty pin of a chip; NC 2-reading a second empty pin of the chip;

NC 3-reads the third empty pin of the chip; NC 4-reading a fourth empty pin of the chip;

NC 5-reading a fifth empty pin of the chip; a power supply terminal of the VDD-read chip;

a bidirectional data control end of the DQ-reading chip; GND 2-ground of the read chip.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides an ablation electrode.

In one embodiment of the utility model, as shown in fig. 1, an ablation electrode comprises a working device a and a reading device b, the working device a being connected to the reading device b.

The working device a includes:

the electrode handle 100 comprises a body 110 and a circuit board 120, the circuit board 120 is fixedly connected to the body 110 through a mounting hole, the circuit board 120 is provided with a communication power supply contact 121, a communication end contact 122 and a communication ground contact 123, a first resistor 124 is connected between the communication power supply contact 121 and the communication end contact 122, and the body 110 is provided with an anode mounting hole 125.

The ablation anode 200 is disposed in the anode mounting hole 125.

The memory chip 300 is attached to the circuit board 120, and the memory chip 300 is electrically connected to the communication power supply contact 121, the communication terminal contact 122, and the communication ground contact 123.

The reading device b includes:

the connection wire 400 includes an anode wire 410, an annular insulating sleeve 420, a communication power wire 430, a communication wire 440, a communication ground wire 450 and an annular housing 460, wherein the annular insulating sleeve 420 is sleeved on the anode wire 410, the communication power wire 430, the communication wire 440 and the communication ground wire 450 are attached to the outer circumferential surface of the annular insulating sleeve 420, and the annular housing 460 is sleeved outside the annular insulating sleeve 420.

The electrode handle 100 is connected to the connection wire 400 through a connector 500.

The control board 600 is communicatively connected to the connection line 400.

Specifically, the ablation electrode is composed of a working device a and a reading device b. In the working state, the working device a performs discharge ablation work, so the working device a can only be disposable. In the operating state, the anode wire 410 is electrically connected to the ablation anode 200 via the connector 500, the communication power wire 430 is electrically connected to the communication power contact 121 via the connector 500, the communication wire 440 is electrically connected to the communication-end contact 122 via the connector 500, and the communication-ground wire 450 is electrically connected to the communication-ground contact 123 via the connector 500. The reading device b is inserted into the working device a, the reading device b can be separated from the working device a, and the reading device b is only connected with the working device a and can be reused without being polluted. This separate design of the working device a and the reading device b enables cost savings. The memory chip 300 is electrically connected with the communication wire 440 only through a single bus, and is used for storing anti-counterfeiting information and communication, and the anti-interference capability is strong by using the single bus communication.

The present embodiment relates to an ablation electrode. The circuit board 120 is arranged on the working equipment a of the ablation electrode, the circuit board 120 is used for bearing the electrical connection point of the memory chip and the ablation anode electrode 200, a disposable information reading program is arranged in the memory chip 300, the reading equipment b erases the anti-counterfeiting information of the memory device after the data are read, normal data reading cannot be carried out during secondary use, and the disposable use of the working equipment a is ensured. The utility model solves the defect that the existing ablation electrode is reused.

As shown in fig. 2, in an embodiment of the present utility model, the memory chip 300 is provided with a first capacitor 310.

EO is the first address input pin of the memory chip 300. E1 is a second address input pin of the memory chip 300. E2 is a third address input pin of the memory chip 300.

The power terminal VCC of the memory chip 300 is electrically connected to one end of the first capacitor 310 and the other end of the first capacitor 310 is electrically connected to the communication ground contact 123. The write control terminal WC of the memory chip 300 is electrically connected to the communication ground contact 123. The ground GND1 of the memory chip 300 is electrically connected to the communication ground contact 123. The power supply terminal VCC of the memory chip 300 is electrically connected to the communication power supply contact 121. The data control terminal SDA of the memory chip 300 is electrically connected to the communication terminal contact 122. The clock control terminal SCL of the memory chip 300 is electrically connected to the communication terminal contact 122.

In particular, the connector 500 may connect the circuit board 120 and the connection wire 400 of the electrode handle 100 together, thereby enabling the control board 600 to transmit high voltage pulse energy to the ablation anode 200. During the process of starting up and preheating the control board 600, the control board 600 reads the anti-counterfeiting information stored in the memory chip 300 through the information reading circuit, performs anti-counterfeiting identification on the working equipment a, and judges whether the working equipment a is used for the first time. And erasing the anti-counterfeiting information after the anti-counterfeiting information is read, so that the anti-counterfeiting information is eliminated. The information reading circuit cannot read the anti-counterfeit information when the working device a is used for a second time.

The present embodiment relates to a memory chip 300. The memory chip 300 is actually an EEPROM charged erasable programmable read only memory, which is a memory chip 300 that is not lost after power failure, and the EEPROM can erase existing information on a computer or a special device. This ensures the one-time use of the working device a mounted with the memory chip 300, effectively preventing the repeated use of the working device a, and improving the safety of the working device a.

As shown in fig. 3, in one embodiment of the present utility model,

the control board 600 includes a second capacitor 610, a switching diode 620, a second resistor 630, a read chip 640, a first power supply 650, and a second power supply 660. The main control chip 670, the first power supply 650, the limiting terminal 621 of the switching diode 620, and the bidirectional data control terminal DQ of the read chip 640 are connected to the same point X. The communication terminal contact 123 is electrically connected to a connection link between the main control chip 670 and the X point. The second resistor 630 is electrically connected to a connection link between the first power supply 650 and the point X. The first polar plate 611 of the second capacitor 610 is electrically connected to the connection link between the first power supply 650 and the second resistor 630; the second plate 612 of the second capacitor 610 is grounded. The power supply terminal VDD of the read chip 640 is electrically connected to the first plate 611 of the second capacitor 610, the second power supply 660 is electrically connected to the negative electrode 622 of the switching diode 620, and the positive electrode 623 of the switching diode 620 is grounded.

Specifically, the circuit formed by the second capacitor 610, the switch diode 620, the second resistor 630 and the reading chip 640 is actually an information reading circuit, and since the reading chip 640 is further internally provided with a protection circuit, the protection circuit is used for enabling the communication power contact 121, the communication terminal contact 122 and the communication grounding contact 123 of the memory chip 300 and the circuit board 120 to be in a suspension state through optical isolation communication, high-voltage isolation and protection of the information reading circuit are realized, and high-voltage pulse energy is prevented from damaging the information reading circuit. The information reading circuit enables the high-voltage isolation and protection realized by the data reading circuit to prevent the high-voltage pulse energy from damaging the information reading circuit, and the information reading circuit can be reused without affecting the normal information reading function of the information reading circuit.

NC1 is the first empty leg of the read chip 640. NC2 is a second empty pin of the read chip 640. NC3 is the third empty leg of the read chip 640. NC4 is the fourth empty leg of the read chip 640. NC5 is the fifth empty leg of the read chip 640. The ports are suspended to ensure the normal operation of the reading chip.

This embodiment relates to a control board 600. The information reading circuit on the control board 600 can erase the anti-counterfeiting information stored in the memory chip 300, so that after the working equipment a is used, the anti-counterfeiting information stored in the memory device can be erased, and when the working equipment a is used for the second time, the information reading circuit can not read the anti-counterfeiting information, so that the working equipment a is reused for the second time, and the effect of avoiding the secondary use of the working equipment a is achieved.

As shown in fig. 4 and 6, in an embodiment of the present utility model, the body 110 further includes a rectangular hole 111. The circuit board 120 is disposed inside the rectangular hole 111. The rectangular holes 111 are provided on opposite sides of the body 110 from the ablation anode 200.

The present embodiment relates to the body 110, so that the rectangular hole 111 and the ablation anode 200 are disposed at opposite sides of the body 110 in order to ensure that the working end of the ablation anode 200 is not obstructed by the plurality of electrical shock interfaces of the circuit board 120. Thus, the side of the body 110 provided with the circuit board 120 can be externally connected with the reading device b, while the side of the body 110 provided with the ablation anode 200 can work normally, and the two parts of the body 110 cannot influence each other.

As shown in fig. 4 and 6, in an embodiment of the present utility model, the communication power supply contact 121, the communication terminal contact 122, and the communication ground contact 123 are arranged in parallel. Communication power contact 121, communication end contact 122, and communication ground contact 123 are proximate the outer surface of body 110.

The present embodiment relates to the circuit board 120. Since the communication power contact 121, the communication terminal contact 122, and the communication ground contact 123 of the circuit board 120 require the external connector 500, the communication power contact 121, the communication terminal contact 122, and the communication ground contact 123 are all close to the outer surface of the body 110. And the power contacts 121, the communication terminal contacts 122, and the communication ground contacts 123 are arranged in parallel in order to reduce the volume of the connector 500, the body 110, and the circuit board 120.

As shown in fig. 4 and 6, in an embodiment of the present utility model, the anode mounting hole 125 includes a first through hole 125a and a second through hole 125b. The first via hole 125a is in communication with the second via hole 125b. The ablation anode 200 is disposed at the first through hole 125a. The second through hole 125b is disposed on the same side of the body 110 as the rectangular hole 111.

The present embodiment relates to the anode mounting hole 125. The anode mounting hole 125 includes a first through hole 125a and a second through hole 125b. While the ablation anode 200 is disposed in the first through hole 125a for receiving the fixing portion of the ablation anode 200, the ablation anode 200 is in fact a long conductive device. The fixing portion of the ablation anode 200 is fixed to the first through hole 125a. The second through hole 125b is for receiving the high voltage core pin 550 of the connector 500, and the high voltage core pin 550 is electrically connected to the anode wire 410. The ablation anode 200 needs high voltage pulse for normal operation, and the high voltage core needle 550 is a part for electrically connecting the anode lead 410 and the fixing portion of the ablation anode 200, so the second through hole 125b and the rectangular hole 111 are disposed on the same side of the body 110.

As shown in fig. 4 and 6, in an embodiment of the present utility model, the second through hole 125b is tapered near the first through hole 125a. The diameter of the conducting portion between the first through hole 125a and the second through hole 125b is smaller than the diameter of the first through hole 125a.

The present embodiment relates to the second through hole 125b. The second through hole 125b is tapered near the first through hole 125a, and the diameter of the conducting part between the first through hole 125a and the second through hole 125b is smaller than the diameter of the first through hole 125a. Such an arrangement is to adapt the shape of the high voltage core needle 550 and also to facilitate the release of the high voltage pulse by the high voltage core needle 550.

As shown in fig. 4 and 5, in an embodiment of the present utility model, the connector 500 includes a housing 510, a first spring piece 520, a second spring piece 530, a third spring piece 540, and a high-voltage core pin 550. The high voltage core pin 550 is fixedly connected to the housing 510 and electrically connected to the anode lead 410. The first elastic piece 520, the second elastic piece 530 and the third elastic piece 540 are arranged in parallel. The first elastic piece 520, the second elastic piece 530 and the third elastic piece 540 are all fixed in the inner cavity of the housing 510 and are close to the top end of the housing 510.

The present embodiment relates to a connector 500. In order to adapt to the arrangement shape of the contacts of the circuit board 120, the first elastic piece 520, the second elastic piece 530 and the third elastic piece 540 are also arranged in parallel. The first elastic piece 520, the second elastic piece 530 and the third elastic piece 540 are all fixed in the inner cavity of the housing 510 and are close to the top end of the housing 510, so that the design is designed to adapt to the mounting position of the circuit board 120 on the body 110 on one hand, and to reduce the interference to the memory chip 300 when the high-voltage core pin 550 is reversely discharged on the other hand.

As shown in fig. 4 and fig. 6, in an embodiment of the present utility model, the first elastic piece 520, the second elastic piece 530 and the third elastic piece 540 have the same structure. The first spring piece 520 is electrically connected to the communication power conductor 430, the second spring piece 530 is electrically connected to the communication conductor 440, and the third spring piece 540 is electrically connected to the communication ground conductor 450. The first elastic sheet 520 includes a fixing sheet 521 and an elastic sheet 522. The fixing piece 521 is fixedly connected with the elastic piece 522. The fixing piece 521 is fixedly connected with the housing 510.

The present embodiment relates to a first spring plate 520, a second spring plate 530, and a third spring plate 540. The elastic pieces 522 of the elastic pieces are used for abutting against the communication power supply contact 121, the communication terminal contact 122 and the communication ground contact 123, and the fixing pieces 521 of the elastic pieces are used for electrically connecting the communication power supply wire 430, the communication wire 440 and the communication ground wire 450. Such a design facilitates the connection and disconnection of the working device a and the reading device b.

As shown in fig. 4 and 6, in an embodiment of the present utility model, the middle portion of the elastic sheet 522 is raised, and both ends of the elastic sheet 522 are abutted against the housing 510, and a cavity exists between the middle portion of the elastic sheet 522 and the housing 510.

This embodiment relates to an elastic tab 522. In order to ensure that the elastic sheet 522 provides sufficient elastic force, both ends of the elastic sheet 522 are abutted against the housing 510, and the middle portion of the elastic sheet 522 bulges. The cavity exists between the middle part of the elastic piece 522 and the shell 510, so that the elastic piece 522 has a crumple space when the working device a and the reading device b are assembled or separated, and the working device a and the reading device b can be smoothly carried out in the assembling or separating process.

The technical features of the above embodiments may be combined arbitrarily, and the steps of the method are not limited to the execution sequence, so that all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description of the present specification.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.

Claims

1. An ablation electrode comprising a working device and a reading device, the working device being connected to the reading device;

the working device includes:

an ablation anode electrode arranged in the anode mounting hole;

the reading device includes:

and the control board is in communication connection with the connecting wire.

2. The ablation electrode of claim 1, wherein the memory chip is provided with a first capacitance;

3. The ablation electrode of claim 2, wherein the control board comprises a second capacitor, a switching diode, a second resistor, a read chip, a first power supply, and a second power supply; the control panel is provided with a main control chip;

4. The ablation electrode of claim 1, wherein the body further comprises a rectangular aperture;

the circuit board is arranged inside the rectangular hole;

5. The ablation electrode of claim 4, wherein the communication power contact, the communication terminal contact, and the communication ground contact are arranged in parallel;

6. The ablation electrode of claim 5, wherein the anode mounting hole comprises a first through hole and a second through hole;

the first through hole is communicated with the second through hole;

the ablation anode electrode is arranged at the first through hole;

7. The ablation electrode of claim 6, wherein the second through hole is tapered proximate the first through hole;

8. The ablation electrode of claim 7, wherein the connector comprises a housing, a first spring, a second spring, a third spring, and a high pressure core needle;

9. The ablation electrode of claim 8, wherein the first, second, and third spring structures are identical;

the first elastic piece comprises a fixing piece and an elastic piece;

the fixing piece is fixedly connected with the elastic piece;

the fixing piece is fixedly connected with the shell.

10. The ablation electrode of claim 9, wherein the central portion of the elastic sheet is raised, the ends of the elastic sheet are abutted against the housing, and a cavity exists between the central portion of the elastic sheet and the housing.