CN114587572A - Intracranial adjustable radio frequency nerve electrode and use method thereof - Google Patents
Intracranial adjustable radio frequency nerve electrode and use method thereof Download PDFInfo
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- CN114587572A CN114587572A CN202210410104.4A CN202210410104A CN114587572A CN 114587572 A CN114587572 A CN 114587572A CN 202210410104 A CN202210410104 A CN 202210410104A CN 114587572 A CN114587572 A CN 114587572A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1407—Loop
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
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Abstract
The invention discloses an intracranial adjustable radio-frequency nerve electrode and a using method thereof, and relates to the technical field of medical instruments. Comprises a conveying steel pipe and a cathode for connecting an external power supply. By arranging the conveying steel pipe, the insulating heat-shrinkable tube, the conductive pipe, the connecting heat-shrinkable tube, the supporting spring, the cathode conductive wire, the anode conductive wire, the spring electrode and the supporting core wire, after the power supply between the conveying steel pipe and the conductive pipe is electrified, the spring electrode generates high-frequency current which locally releases 100KHz-1.5MHz, higher temperature is generated in a very small range, water in local tissues is evaporated through thermal efficiency, dry necrosis is generated, blood supply artery of tumor or arteriovenous malformation accurately destroys target lesion, normal brain tissue damage is reduced, blood supply artery blood flow is blocked, the treatment purpose is achieved, the use of spring coil or embolism glue is effectively reduced, and the device can be repeatedly used, cost is saved, economic benefits are met, and the device has a wide application prospect.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an intracranial adjustable radio-frequency nerve electrode and a using method thereof.
Background
The treatment of intracranial tumor and arteriovenous malformation vessel includes surgical excision of pathological change tissue, intervention of blood supply artery treatment of embolism pathological change tissue, intervention of embolism intracranial tumor and compound operation of postsurgical excision of arteriovenous malformation vessel blood supply artery, and the embolism of blood supply artery of intracranial tumor or arteriovenous malformation vessel is implemented by using spring ring or local injection of glue in intervention embolism.
However, in the current operation of treating intracranial tumors and arteriovenous malformed blood vessels by using a spring ring filling or glue injection filling method, the cost is high by only using the spring ring or injecting glue for embolism, the spring ring or the glue injection plugging method exists in the cranium for a long time, the spring ring or the glue injection plugging method cannot be taken out, and the disease-causing tissue necrosis and ablation cannot be quickly caused, so that the use requirement cannot be met.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an intracranial adjustable radio frequency nerve electrode and a using method thereof, comprising:
the conveying steel pipe is used for being externally connected with a negative electrode of a power supply, and one end of the conveying steel pipe is sleeved with an insulating heat-shrinkable pipe;
the conductive tube is used for being externally connected with the anode of a power supply and is sleeved on the insulating heat-shrinkable tube;
the supporting spring is arranged at one end, far away from the insulating heat-shrinkable tube, of the conveying steel tube;
the cathode conductive wire penetrates through the conveying steel pipe, and one end of the cathode conductive wire is connected with one end, far away from the supporting spring, of the conveying steel pipe;
the anode conductive wire penetrates through the conveying steel pipe, and one end of the anode conductive wire extends to the outside of the conveying steel pipe and is connected with the conductive pipe;
the spring electrode is arranged at one end, far away from the conveying steel pipe, of the supporting spring, one end, far away from the conveying steel pipe, of the cathode conductive wire is connected with one end of the spring electrode, and one end, far away from the conductive pipe, of the anode conductive wire is connected with one end, far away from the cathode conductive wire, of the spring electrode;
the supporting core wire penetrates through the supporting spring and the spring electrode, one end of the supporting core wire is connected with one end, far away from the insulating heat-shrinkable tube, of the conveying steel pipe, and the other end of the supporting core wire is connected with one end, far away from the supporting spring, of the spring electrode;
the spring electrode, the cathode conductive wire and the conveying steel pipe form a negative electrode passage of the power supply;
the anode conductive wire and the conductive tube form a positive electrode path of the power supply.
As a preferred technical scheme of the present invention, a connection heat shrink tube is disposed at one end of the conveying steel pipe, which is far away from the insulation heat shrink tube, and one end of the support spring is connected with the conveying steel pipe through the connection heat shrink tube.
As a preferable technical scheme of the invention, one end of the conveying steel pipe, which is far away from the connecting heat-shrinkable tube, is provided with a grinding part, and the insulating heat-shrinkable tube is sleeved on the grinding part.
As a preferable technical scheme of the invention, one end of the supporting spring, which is far away from the conveying steel pipe, is provided with a first bonding point, and one end of the spring electrode is connected with the supporting spring through the first bonding point.
As a preferred technical solution of the present invention, one end of the spring electrode, which is far away from the first bonding point, is provided with a second bonding point, and one end of the support core wire is connected with the spring electrode through the second bonding point.
As a preferable technical scheme of the invention, one end of the anode conductive wire, which is far away from the conductive tube, is provided with a third bonding point, one end of the spring electrode is connected with the anode conductive wire through the third bonding point, and the support core wire is a stainless steel grinding guide wire.
As a preferred technical scheme of the invention, development marks made of platinum alloy are arranged at two ends of the spring electrode, the first bonding point, the second bonding point and the third bonding point are all thermosetting glue, the supporting spring is formed by winding stainless steel wires with the diameter of 0.03-0.08mm into a spring with the outer diameter of 0.2-0.6mm, the connecting heat-shrinkable tube is a PET heat-shrinkable tube, and the distance between the conveying steel tubes is 0.3-0.6 mm.
As a preferable technical scheme of the invention, the spring electrode is one of annular stainless steel with the outer diameter of 0.2-0.5mm, annular platinum alloy and a gap spring with the outer diameter of 0.2-0.36mm, the gap spring is wound by one of stainless steel wires with the diameter of 0.02-0.08mm and platinum alloy wires, and the length of the spring electrode is 1-10 mm.
According to a preferable technical scheme, the cathode conductive wire and the anode conductive wire are both made of noble metal alloy wires, and insulating layers are sprayed on the outer parts of the supporting core wire and the noble metal alloy wires;
the diameters of the cathode conductive wire and the anode conductive wire are both 0.05-0.1mm, the conveying steel pipe is one of a stainless steel pipe and a nickel-titanium pipe with taper grinding, and the diameter of the conveying steel pipe is 0.3-0.6 mm.
A use method of an intracranial adjustable radio-frequency nerve electrode is characterized by comprising the following steps:
s1, preparing a power supply, wherein the selected power supply is a direct-current power supply, can stably output direct-current voltage and can realize timing output, one end of the conveying steel pipe and the cathode conductive wire is connected with the negative electrode of the power supply, and one end of the conductive pipe and the anode conductive wire is connected with the positive electrode of the power supply;
s2, starting operation, conveying the steel conveying pipe and the spring electrode to the lesion part in the blood vessel through the microcatheter, starting the power supply, locally releasing 100KHz-1.5MHz high-frequency current from the spring electrode, generating a small-range high-temperature area at the lesion part, evaporating the water in the local tissue through thermal efficiency, drying and necrosing, and simultaneously performing electrolytic reaction to release Fe2+，Fe2+And the protein in the blood generates coagulation reaction to form thrombus, and the intravascular thrombus forms vascular embolism to block the blood flow.
Compared with the prior art, the invention provides an intracranial adjustable radio-frequency nerve electrode and a using method thereof, and the intracranial adjustable radio-frequency nerve electrode has the following beneficial effects:
the intracranial adjustable radio frequency nerve electrode and the use method thereof are characterized in that a conveying steel pipe, an insulating heat-shrinkable pipe, a conductive pipe, a connecting heat-shrinkable pipe, a supporting spring, a cathode conductive wire, an anode conductive wire, a spring electrode and a supporting core wire are arranged, after a power supply between the conveying steel pipe and the conductive pipe is electrified, the spring electrode generates high-frequency current which locally releases 100KHz-1.5MHz, higher temperature is generated in a very small range, water in local tissues is evaporated through thermal efficiency, and necrosis is dried.
Drawings
FIG. 1 is a schematic structural diagram of an intracranial adjustable radio frequency neural electrode and a method for using the same according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is an enlarged view of the structure at C in fig. 1.
In the figure: 1. conveying the steel pipe; 101. a grinding section; 2. an insulating heat shrink tube; 3. a conductive tube; 4. connecting a heat shrink tube; 5. a support spring; 6. a cathode conductive filament; 7. an anode conductive wire; 8. bonding points I; 9. a spring electrode; 10. supporting the core wire; 11. a second bonding point; 12. bonding points III; 13. and developing the mark.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an intracranial adjustable radio frequency neural electrode and a method for using the same, including a transmission steel tube 1 and a cathode for external power supply, wherein an insulating heat-shrinkable tube 2 is sleeved on one end of the transmission steel tube 1, one end of a transmission light source connected with the cathode of the power supply is used as a handheld end, the transmission steel tube 1 is made of a stainless steel tube and a nickel-titanium tube, so that the handheld end of the transmission steel tube 1 provides stable support, and the other end is flexible and convenient to enter the blood vessel.
The conductive tube 3 is used for connecting the anode of an external power supply, the conductive tube 3 is sleeved on the insulating heat-shrinkable tube 2, the conductive tube 3 and the conveying steel tube 1 are respectively connected with the anode and the cathode of the power supply, plugs connected with the power supply need to be installed on the conductive tube 3 and the conveying steel tube 1 for convenience in use, the plugs are connected with the power supply more quickly and stably when being connected with the power supply, and the length of the conductive tube 3 is smaller than that of the insulating heat-shrinkable tube 2.
And the supporting spring 5 is arranged at one end of the conveying steel pipe 1 far away from the insulating heat-shrinkable pipe 2.
And the cathode conductive wire 6 penetrates through the conveying steel pipe 1, and one end of the cathode conductive wire 6 is connected with one end, far away from the supporting spring 5, of the conveying steel pipe 1.
And the anode conductive wire 7 is arranged in the conveying steel pipe 1 in a penetrating manner, one end of the anode conductive wire 7 extends to the outside of the conveying steel pipe 1 and is connected with the conductive pipe 3.
The spring electrode 9 is arranged at one end, far away from the conveying steel pipe 1, of the supporting spring 5, one end, far away from the conveying steel pipe 1, of the cathode conductive wire 6 is connected with one end of the spring electrode 9, and one end, far away from the conductive pipe 3, of the anode conductive wire 7 is connected with one end, far away from the cathode conductive wire 6, of the spring electrode 9.
The supporting core wire 10 is arranged inside the supporting spring 5 and the spring electrode 9 in a penetrating mode, one end of the supporting core wire 10 is connected with one end, far away from the insulating heat-shrinkable tube 2, of the conveying steel pipe 1, and the other end of the supporting core wire 10 is connected with one end, far away from the supporting spring 5, of the spring electrode 9.
The spring electrode 9, the cathode conductive wire 6 and the conveying steel pipe 1 form a negative electrode passage of the power supply.
The anode conductive wire 7 and the conductive tube 3 form a positive electrode path of the power supply.
As a specific technical scheme of this embodiment, one end of the conveying steel pipe 1, which is far away from the insulating heat shrink tube 2, is provided with a connection heat shrink tube 4, one end of the support spring 5 is connected with the conveying steel pipe 1 by connecting the heat shrink tube 4, the connection heat shrink tube 4 selects an ultrathin PET heat shrink tube, and the support spring 5 is fixed on the conveying steel pipe 1 at the joint of the conveying steel pipe 1 and the support spring 5.
As a specific technical solution of this embodiment, a grinding portion 101 is disposed at an end of the conveying steel pipe 1 away from the connecting heat shrinkable tube 4, the insulating heat shrinkable tube 2 is sleeved on the grinding portion 101, a first bonding point 8 is disposed at an end of the supporting spring 5 away from the conveying steel pipe 1, an end of the spring electrode 9 is connected to the supporting spring 5 through the first bonding point 8, a second bonding point 11 is disposed at an end of the spring electrode 9 away from the first bonding point 8, an end of the supporting core wire 10 is connected to the spring electrode 9 through the second bonding point 11, an end of the anode conductive wire 7 away from the conductive tube 3 is provided with a third bonding point 12, an end of the spring electrode 9 is connected to the anode conductive wire 7 through the third bonding point 12, the supporting core wire 10 is a stainless steel grinding conductive wire, when a power supply is started, the spring electrode 9 can locally release a high-frequency current of 100KHz to 1.5MHz, generating higher temperature in a very small range, evaporating water in local tissues through thermal efficiency, drying and necrotizing, and accurately destroying target lesions through blood supply arteries of tumors or arteriovenous malformations; and can generate electrolysis reaction and release Fe2+，Fe2+The protein in the blood generates coagulation reaction to form thrombus, and the intravascular thrombus forms vascular embolism to block blood flow so as to achieve the purpose of treatment.
As a specific technical solution of this embodiment, both ends of the spring electrode 9 are provided with developing marks 13 made of platinum alloy, the first bonding points 8, the second bonding points 11, and the third bonding points 12 are all made of thermosetting glue, the support spring 5 is a spring wound by stainless steel wire with a diameter of 0.03-0.08mm and an outer diameter of 0.2-0.6mm, the connection heat-shrinkable tube 4 is a PET heat-shrinkable tube, the distance between the conveying steel tubes 1 is 0.3-0.6mm, the first bonding points 8 bond the spring electrode 9 to the support spring 5 while avoiding direct contact between the spring electrode 9 and the support spring 5, the cathode conductive wire 6 and the spring electrode 9 are also fixed by the first bonding points 8, so that the cathode conductive wire 6 is wrapped inside the first bonding points 8, and the bonding points insulate the connection points of the cathode conductive wire 6 and the spring electrode 9, referring to fig. 1, the right end of the spring electrode 9, the cathode conductive wire 6 and the right end of the conveying steel pipe 1 form a negative electrode passage of the power supply.
As a specific technical solution of this embodiment, the spring electrode 9 is one of annular stainless steel with an outer diameter of 0.2-0.5mm, annular platinum alloy and a gap spring with an outer diameter of 0.2-0.36mm, the gap spring is one of stainless steel wire with a diameter of 0.02-0.08mm and platinum alloy wire, the length of the spring electrode 9 is 1-10mm, and the spring electrodes 9 with different lengths are adapted to the requirements of focuses with different specifications.
As a specific technical scheme of this embodiment, the cathode conductive wire 6 and the anode conductive wire 7 are both made of noble metal alloy wires, the supporting core wire 10 and the noble metal alloy wires are both coated with insulating layers, the insulating layers outside the supporting core wire 10 can be subjected to insulating treatment by using a heat shrink tube, the diameters of the cathode conductive wire 6 and the anode conductive wire 7 are both 0.05-0.1mm, the conveying steel pipe 1 is one of a stainless steel pipe and a nickel-titanium pipe with taper grinding, the diameter of the conveying steel pipe 1 is 0.3-0.6mm, the noble metal alloy wires are silver wires with insulating layers or other noble metal alloy wires with the same function, the noble metal alloy wires have extremely low resistance, and the insulating layers outside the conveying steel pipe are designed so that other interferences on charge flow are small, and the stability of current can be greatly improved.
A use method of an intracranial adjustable radio-frequency nerve electrode comprises the following steps:
s1, preparing a power supply, wherein the selected power supply is a direct-current power supply, can stably output direct-current voltage and can realize timing output, one ends of the conveying steel pipe 1 and the cathode conductive wire 6 are connected with the negative electrode of the power supply, and one ends of the conductive pipe 3 and the anode conductive wire 7 are connected with the positive electrode of the power supply;
s2, starting operation, conveying the steel conveying pipe 1 and the spring electrode 9 to the lesion part in the blood vessel through the microcatheter, starting the power supply, locally releasing 100KHz-1.5MHz high-frequency current from the spring electrode 9, generating a small-range high-temperature region at the lesion part, evaporating the water in the local tissue through thermal efficiency, drying and necrotizing, and simultaneously performing electrolytic reaction to release Fe2+，Fe2+The medical composition can generate coagulation reaction with protein in blood to form thrombus, and intravascular thrombus forms vascular embolism to block blood flow, so that the medical composition is used for the acute radio frequency ablation and embolism treatment of tumors of nerve vessels and peripheral vessels and arteriovenous.
In summary, the intracranial adjustable radio frequency nerve electrode and the use method thereof are characterized in that after a power supply connected between the conveying steel tube 1 and the conductive tube 3 is electrified through the arrangement of the conveying steel tube 1, the insulating heat-shrinkable tube 2, the conductive tube 3, the connecting heat-shrinkable tube 4, the supporting spring 5, the cathode conductive wire 6, the anode conductive wire 7, the spring electrode 9 and the supporting core wire 10, the spring electrode 9 generates high-frequency current of 100KHz-1.5MHz locally, generates higher temperature in a very small range, evaporates water in local tissues through thermal efficiency, dries necrosis, accurately destroys target lesion through a blood supply artery with tumor or arteriovenous malformation, reduces normal brain tissue injury, blocks blood flow of the blood supply artery, achieves the treatment purpose, effectively reduces the use of spring coils or embolism glue, can be repeatedly used, saves cost and accords with economic benefits, has wide application prospect.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An intracranial adjustable radio frequency nerve electrode comprising:
the conveying steel pipe is used for being externally connected with a negative electrode of a power supply, and one end of the conveying steel pipe is sleeved with an insulating heat-shrinkable pipe;
the conductive tube is used for being externally connected with the anode of a power supply and is sleeved on the insulating heat-shrinkable tube;
the supporting spring is arranged at one end, far away from the insulating heat-shrinkable tube, of the conveying steel tube;
the cathode conductive wire penetrates through the conveying steel pipe, and one end of the cathode conductive wire is connected with one end, far away from the supporting spring, of the conveying steel pipe;
the anode conductive wire penetrates through the conveying steel pipe, and one end of the anode conductive wire extends to the outside of the conveying steel pipe and is connected with the conductive pipe;
the spring electrode is arranged at one end, far away from the conveying steel pipe, of the supporting spring, one end, far away from the conveying steel pipe, of the cathode conductive wire is connected with one end of the spring electrode, and one end, far away from the conductive pipe, of the anode conductive wire is connected with one end, far away from the cathode conductive wire, of the spring electrode;
the supporting core wire penetrates through the supporting spring and the spring electrode, one end of the supporting core wire is connected with one end, far away from the insulating heat-shrinkable tube, of the conveying steel pipe, and the other end of the supporting core wire is connected with one end, far away from the supporting spring, of the spring electrode;
the spring electrode, the cathode conductive wire and the conveying steel pipe form a negative electrode passage of the power supply;
the anode conductive wire and the conductive tube form an anode passage of the power supply.
2. The intracranial adjustable radio frequency nerve electrode as recited in claim 1, wherein: one end of the conveying steel pipe, which is far away from the insulating heat-shrinkable tube, is provided with a connecting heat-shrinkable tube, and one end of the supporting spring is connected with the conveying steel pipe through the connecting heat-shrinkable tube.
3. The intracranial adjustable radio-frequency neural electrode as defined in claim 2, wherein: one end of the conveying steel pipe, which is far away from the heat-shrinkable pipe, is provided with a grinding part, and the insulating heat-shrinkable pipe is sleeved on the grinding part.
4. An intracranial radio-frequency adjustable nerve electrode as defined in claim 3, wherein: one end of the supporting spring, which is far away from the conveying steel pipe, is provided with a bonding point I, and one end of the spring electrode is connected with the supporting spring through the bonding point I.
5. The intracranial adjustable radio frequency nerve electrode as recited in claim 4, wherein: and one end of the support core wire is connected with the spring electrode through the second bonding point.
6. The intracranial adjustable radio frequency nerve electrode as recited in claim 1, wherein: and one end of the anode conductive wire, which is far away from the conductive tube, is provided with a third bonding point, one end of the spring electrode is connected with the anode conductive wire through the third bonding point, and the support core wire is a stainless steel grinding guide wire.
7. The intracranial adjustable radio-frequency neural electrode as defined in claim 5, wherein: the developing marks made of platinum alloy are arranged at two ends of the spring electrode, the first bonding point, the second bonding point and the third bonding point are all thermosetting glue, the supporting spring is formed by winding stainless steel wires with the diameter of 0.03-0.08mm into springs with the outer diameter of 0.2-0.6mm, the connecting heat shrink tubes are PET heat shrink tubes, and the distance between the conveying steel tubes is 0.3-0.6 mm.
8. The intracranial adjustable radio frequency nerve electrode as recited in claim 7, wherein: the spring electrode is one of annular stainless steel with the outer diameter of 0.2-0.5mm, annular platinum alloy and a gap spring with the outer diameter of 0.2-0.36mm, the gap spring is formed by winding one of stainless steel wires and platinum alloy wires with the diameter of 0.02-0.08mm, and the length of the spring electrode is 1-10 mm.
9. The intracranial adjustable radio frequency nerve electrode as recited in claim 1, wherein: the cathode conductive wire and the anode conductive wire are both made of noble metal alloy wires, and insulating layers are sprayed on the outer parts of the support core wire and the noble metal alloy wires;
the diameters of the cathode conductive wire and the anode conductive wire are both 0.05-0.1mm, the conveying steel pipe is one of a stainless steel pipe and a nickel-titanium pipe with taper grinding, and the diameter of the conveying steel pipe is 0.3-0.6 mm.
10. A method for using the intracranial adjustable radio frequency neural electrode as defined in any one of claims 1-9, comprising the steps of:
s1, preparing a power supply, wherein the selected power supply is a direct-current power supply, can stably output direct-current voltage and can realize timing output, one end of the conveying steel pipe and the cathode conductive wire is connected with the negative electrode of the power supply, and one end of the conductive pipe and the anode conductive wire is connected with the positive electrode of the power supply;
s2, starting operation, conveying the steel conveying pipe and the spring electrode to the lesion part in the blood vessel through the microcatheter, starting the power supply, locally releasing 100KHz-1.5MHz high-frequency current from the spring electrode, generating a small-range high-temperature area at the lesion part, evaporating the water in the local tissue through thermal efficiency, drying and necrosing, and simultaneously performing electrolytic reaction to release Fe2+，Fe2+Coagulation reaction with protein in blood to form thrombus and intravascular thrombusForming a vaso-occlusive plug that blocks blood flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210410104.4A CN114587572A (en) | 2022-04-19 | 2022-04-19 | Intracranial adjustable radio frequency nerve electrode and use method thereof |
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| CN202210410104.4A CN114587572A (en) | 2022-04-19 | 2022-04-19 | Intracranial adjustable radio frequency nerve electrode and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117653252A (en) * | 2023-12-28 | 2024-03-08 | 健源医疗科技(无锡)有限公司 | Protective sleeve and interventional guide device with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397638A (en) * | 2021-06-16 | 2021-09-17 | 北京泰杰伟业科技有限公司 | Spring wire electric coagulation device |
| CN113397637A (en) * | 2021-06-16 | 2021-09-17 | 北京泰杰伟业科技有限公司 | Spring ring electrocoagulation device |
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2022
- 2022-04-19 CN CN202210410104.4A patent/CN114587572A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397638A (en) * | 2021-06-16 | 2021-09-17 | 北京泰杰伟业科技有限公司 | Spring wire electric coagulation device |
| CN113397637A (en) * | 2021-06-16 | 2021-09-17 | 北京泰杰伟业科技有限公司 | Spring ring electrocoagulation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117653252A (en) * | 2023-12-28 | 2024-03-08 | 健源医疗科技(无锡)有限公司 | Protective sleeve and interventional guide device with same |
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