CN113397638A - Spring wire electric coagulation device - Google Patents
Spring wire electric coagulation device Download PDFInfo
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- CN113397638A CN113397638A CN202110668625.5A CN202110668625A CN113397638A CN 113397638 A CN113397638 A CN 113397638A CN 202110668625 A CN202110668625 A CN 202110668625A CN 113397638 A CN113397638 A CN 113397638A
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- spring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/12031—Type of occlusion complete occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
- A61B17/1215—Coils or wires comprising additional materials, e.g. thrombogenic, having filaments, having fibers, being coated
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Vascular Medicine (AREA)
- Reproductive Health (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Neurosurgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a spring wire electrocoagulation device, comprising: the system comprises a conveying steel pipe, a cathode spring, a cathode wire and a heat-insulating shrinkable tube, wherein the near end of the conveying steel pipe is sleeved with the heat-insulating shrinkable tube, the outer side of the heat-insulating shrinkable tube is sleeved with a conductive tube, the far end of the conveying steel pipe is connected with a support spring, the far end of the support spring is connected with the cathode spring, and the cathode spring is connected with the near end of the conveying steel pipe through the cathode conductive wire; the far end of the cathode spring is connected with an anode spring, and the anode spring is connected with the conductive tube through an anode conductive wire; the anode conductive wire and the cathode conductive wire are both arranged in the conveying steel pipe in a penetrating way; the anode spring, the anode conductive wire and the conductive tube form an anode passage and are connected with the anode of the power supply; a cathode passage formed by the cathode spring, the cathode conductive wire and the near end of the conveying steel pipe is connected with the cathode of the power supply; the anode spring and the cathode spring conduct the anode passage and the cathode passage through electrolyte in blood to form a current loop, and the anode spring generates electrolytic reaction to form embolism at a diseased part.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a spring wire electrocoagulation device.
Background
The aneurysm interventional embolization treatment is a common method for treating aneurysm, generally, a micro-catheter is inserted into the root of thigh of a patient, embolization substances are placed into a aneurysm cavity of the aneurysm along the micro-catheter through a delivery device, embolization is caused in the aneurysm cavity, blood flow in the aneurysm is reduced, and the purpose of curing the aneurysm is achieved.
The current treatment method for filling the aneurysm with embolic material is very difficult to plug the tiny aneurysm smaller than 1mm, and even no coil smaller than 1mm can be used for plugging treatment. Also, during conventional embolic material filling treatments, it is sometimes necessary to repeatedly adjust the coils resulting in prolonged procedure time.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a spring wire electrocoagulation device, a conveying steel pipe with an insulating heat-shrinkable tube sleeved at the near end is used, a conductive pipe is sleeved outside the insulating heat-shrinkable tube, a supporting spring is sleeved at the far end of the conveying steel pipe, a cathode spring is connected to the far end of the supporting spring through a first bonding point, an anode spring is connected with a cathode spring through a second bonding point, the conductive pipe is connected with the anode spring through an anode conductive wire wrapped with an insulating layer, the near end of the conveying steel pipe is connected with the cathode spring through a cathode conductive wire wrapped with an insulating layer, and after a power supply added between the near end of the conveying steel pipe and the conductive pipe is electrified, the anode spring is subjected to an electrolytic reaction to realize embolization of a tiny aneurysm, the whole process is short in time consumption and quick to take effect.
In order to achieve the above object, the present invention provides a spring wire electrocoagulation device comprising:
the near end of the conveying steel pipe is provided with a grinding part, and an insulating heat-shrinkable tube is sleeved outside the grinding part; the near end of the conveying steel pipe is connected with the negative electrode of an external power supply;
the conductive pipe is sleeved outside the insulating heat shrinkable pipe; the conductive tube is connected with the positive electrode of the power supply;
the supporting spring is connected with the far end of the conveying steel pipe through a first connecting heat shrink pipe;
the cathode spring is connected with the far end of the supporting spring through a first bonding point;
the cathode conductive wire penetrates through the conveying steel pipe, the near end of the cathode conductive wire is connected with the near end of the conveying steel pipe, and the far end of the cathode conductive wire is connected with the cathode spring; the cathode spring, the cathode conductive wire and the conveying steel pipe form a cathode passage of the power supply;
the anode spring is connected with the far end of the cathode spring through a second bonding point;
the anode conductive wire penetrates through the conveying steel pipe, the near end of the anode conductive wire is connected with the conductive pipe, and the far end of the anode conductive wire is connected with the anode spring; the anode spring, the anode conductive wire and the conductive tube form a positive electrode passage of the power supply;
the stainless steel ball cap is formed at the far end of the anode spring by laser welding or laser spot welding;
the supporting core wire penetrates through the supporting spring, the cathode spring and the anode spring, the near end of the supporting core wire is connected with the far end of the conveying steel pipe, and an insulating layer is arranged outside the supporting core wire;
the developing marking ring is sleeved at the far end of the supporting core wire;
the anode spring and the cathode spring are conveyed to a diseased part in a blood vessel by the conveying steel pipe, the power switch is turned on, the anode spring and the cathode spring conduct the anode passage and the cathode passage through electrolyte in blood to form a current loop, the anode spring generates electrolytic reaction, and embolism is generated at the diseased part.
Preferably, the anode spring is ring-shaped stainless steel with the outer diameter of 0.2-0.5 mm, or a gap spring with the outer diameter of 0.2-0.36 mm formed by winding stainless steel wires with the diameter of 0.02-0.08 mm.
Preferably, the cathode spring is annular stainless steel or annular platinum alloy with the outer diameter of 0.2-0.5 mm, or a gap spring with the outer diameter of 0.2-0.36 mm formed by winding stainless steel wires or platinum alloy wires with the diameter of 0.02-0.08 mm.
Preferably, the anode conductive wire and the cathode conductive wire are both made of noble metal alloy wires;
the outside of the noble metal alloy wire is provided with an insulating layer;
the diameters of the anode conductive wire and the cathode conductive wire are both 0.05-0.1 mm.
Preferably, the first bonding point is thermosetting glue, and the second bonding point is ultraviolet curing glue.
Preferably, the developing mark ring is made of platinum alloy.
Preferably, the conveying steel pipe is a stainless steel pipe or a nickel-titanium pipe with taper grinding, and the diameter of the conveying steel pipe is 0.3-0.6 mm.
The embodiment of the invention provides a spring wire electrocoagulation device, which is characterized in that a conveying steel pipe with an insulating heat-shrinkable tube sleeved at the near end is used, a conductive pipe is sleeved outside the insulating heat-shrinkable tube, a supporting spring is sleeved at the far end of the conveying steel pipe, a cathode spring is connected to the far end of the supporting spring through a first bonding point, an anode spring is connected with a cathode spring through a second bonding point, the conductive pipe is connected with the anode spring through an anode conductive wire wrapped with an insulating layer, the near end of the conveying steel pipe is connected with the cathode spring through a cathode conductive wire wrapped with an insulating layer, and after a power supply which is added between the near end of the conveying steel pipe and the conductive pipe is electrified, the anode spring is subjected to an electrolytic reaction, so that embolism of micro aneurysm is realized.
Drawings
FIG. 1 is a schematic diagram of the construction of a spring wire electrocoagulation device according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
The embodiment of the invention provides a spring wire electrocoagulation device, which is characterized in that a conveying steel pipe with an insulating heat-shrinkable tube sleeved at the near end is used, a conductive pipe is sleeved outside the insulating heat-shrinkable tube, a supporting spring is sleeved at the far end of the conveying steel pipe, a cathode spring is connected to the far end of the supporting spring through a first bonding point, an anode spring is connected with a cathode spring through a second bonding point, the conductive pipe is connected with the anode spring through an anode conductive wire wrapped with an insulating layer, the near end of the conveying steel pipe is connected with the cathode spring through a cathode conductive wire wrapped with an insulating layer, and after a power supply which is added between the near end of the conveying steel pipe and the conductive pipe is electrified, the anode spring is subjected to an electrolytic reaction, so that embolism of micro aneurysm is realized.
FIG. 1 is a schematic diagram of a spring wire electrocoagulation device provided by an embodiment of the present invention, and FIG. 2 is a partial enlarged view of the point A in FIG. 1; as shown in FIGS. 1 and 2, the spring-wire electrocoagulation device comprises: the device comprises a conveying steel pipe 1, an insulating heat-shrinkable pipe 11, a conductive pipe 12, a first connecting heat-shrinkable pipe 13, a supporting spring 14, a cathode conductive wire 15, an anode conductive wire 16, a first bonding point 21, a cathode spring 22, a second bonding point 23, an anode spring 24, a stainless steel ball cap 25, a supporting core wire 26 and a developing mark ring 27.
The conveying steel pipe 1 is a stainless steel pipe or a nickel-titanium pipe with taper grinding, the far end is smooth, the near end provides stable support, and the diameter of the conveying steel pipe 1 is 0.3-0.6 mm. In this embodiment, the hand-held end of the operator is used as the proximal end, the proximal end of the conveying steel tube 1 has a grinding portion, the grinding portion is sleeved with an insulating heat-shrinkable tube 11, and a conducting tube 12 is sleeved outside the insulating heat-shrinkable tube 11, wherein the length of the conducting tube 12 is smaller than that of the insulating heat-shrinkable tube 11.
The power supply used by the spring wire electrocoagulation device provided by the embodiment of the invention is an external special direct-current power supply device box, and the power supply can stably output direct-current voltage and realize timed output. When the proximal end of the conveying steel pipe 1 is inserted into the power supply port of the power supply, the conductive pipe 12 is connected with the positive pole of the power supply, and the proximal end of the conveying steel pipe 1 is connected with the negative pole of the power supply.
The far end of the conveying steel pipe 1 is connected with a supporting spring 14 through a first connecting heat-shrinkable tube 13, the supporting spring 14 is a spring formed by winding a stainless steel wire with the diameter of 0.03-0.08 mm, the outer diameter of the spring is 0.2-0.6 mm, and the supporting spring 14 can enable the structure of the far end of the conveying steel pipe 1 to be soft, so that the conveying steel pipe can be better attached to a micro-catheter in the pushing process. The first connecting heat shrinkable tube 13 is an ultra-thin PET heat shrinkable tube, and is sleeved on the distal end of the conveying steel tube 1 and the proximal end of the support spring 14, so that the support spring 14 is fixed on the distal end of the conveying steel tube 1.
The far end of the supporting spring 14 is connected with a cathode spring 22 through a first bonding point 21, the cathode spring 22 is annular stainless steel or platinum alloy with the diameter of 0.2-0.5 mm, or a gap spring with the outer diameter of 0.2-0.36 mm and formed by winding stainless steel wires or platinum alloy wires with the diameter of 0.02-0.08 mm, and the gap of the gap spring is 0.5-1 stainless steel wire diameter. The first adhesive point 21 is a thermosetting adhesive, which adheres the cathode spring 22 to the distal end of the support spring 14 while preventing the cathode spring 22 from directly contacting the support spring 14.
The cathode conductive wire 15 is a silver wire or other noble metal alloy wire with an insulating layer outside and the diameter of 0.05-0.10 mm, the resistance of the noble metal alloy wire is extremely low, and the design of the insulating layer outside enables other interference on charge flow to be small, so that the stability of current can be greatly improved. The cathode conductive wire 15 is arranged in the conveying steel pipe 1 in a penetrating mode, and the near end of the cathode conductive wire 15 is connected with the near end of the conveying steel pipe 1 to achieve communication with the negative electrode of an external power supply. The far end of the cathode conductive wire 15 is connected with the cathode spring 22, the connection point is positioned in the package of the first adhesion point 21, and the first adhesion point 21 insulates the connection point of the cathode conductive wire 15 and the cathode spring 22. The cathode spring 22, the cathode conductive wire 15 and the proximal end of the steel delivery tube 1 together constitute a negative path for an external power source.
The far end of the cathode spring 22 is connected with an anode spring 24 through a second bonding point 23, the anode spring 24 is ring-shaped stainless steel with the diameter of 0.2-0.5 mm, or a gap spring with the outer diameter of 0.2-0.36 mm and formed by winding stainless steel wires with the diameter of 0.02-0.08 mm, and the gap of the gap spring is 0.5-1 stainless steel wire diameter. The second adhesive 23 is an ultraviolet light curing adhesive for fixing the cathode spring 22 and the anode spring 24, and simultaneously preventing the cathode spring 22 from directly contacting the anode spring 24.
The anode conductive wire 16 is a silver wire or other noble metal alloy wire with an insulating layer outside and the diameter of 0.05-0.10 mm, the resistance of the noble metal alloy wire is extremely low, and the design of the insulating layer outside enables other interference on charge flow to be small, so that the stability of current can be greatly improved. The anode conductive wire 16 is arranged in the conveying steel pipe 1 in a penetrating mode, and the near end of the anode conductive wire 16 is connected with the conductive pipe 12 to achieve communication with the positive electrode of an external power supply. The far end of the anode conductive wire 16 is connected with an anode spring 24, the connection point is positioned in the wrapping of a second bonding point 23, and the second bonding point 23 insulates the connection point of the anode conductive wire 16 and the anode spring 24. The anode spring 24, the anode conductive filament 16 and the conductive tube 12 together form a positive path for an external power source.
The far end of the anode spring 24 is welded with a hemispherical stainless steel ball cap 25, the welding mode is laser welding or laser spot welding forming, and the stainless steel ball cap 25 can increase the area of anode electrolysis and cause more thrombi. Meanwhile, the hemispherical head end is convenient for leading in the micro catheter, and the blood vessel can be prevented from being punctured.
The center of the far end of the conveying steel pipe 1 is also connected with a supporting core wire 26, the supporting core wire 26 is a stainless steel grinding guide wire and sequentially penetrates through the supporting spring 14, the cathode spring 22 and the anode spring 24, and a heat shrink tube is wrapped outside the supporting core wire 26 for insulation, so that short circuit caused by connection between the cathode spring 22 and the anode spring 24 is avoided.
The development marking ring 27 is sleeved on the insulating layer at the far end of the supporting core wire 26, and the development marking ring 27 is a platinum alloy ring which is sleeved outside the insulating layer at the far end of the supporting core wire 26 and is bonded and fixed for developing in the operation process so as to indicate the position of the head end of the electrocoagulation device.
The specific working process of the embodiment of the invention is as follows:
the conveying steel pipe 1 conveys the anode spring 24 and the cathode spring 22 to a lesion part in a blood vessel through a microcatheter, the near end of the conveying steel pipe 1 is inserted into a power supply port of an external power supply, a switch of the power supply is turned on, the anode spring 24 and the cathode spring 22 conduct an anode passage and a cathode passage through electrolyte in blood to form a current loop, the anode spring 24 generates electrolytic reaction to release iron ions, the iron ions and protein in the blood generate coagulation reaction to form thrombus, and embolism treatment of the lesion part is realized.
The spring wire electrocoagulation device provided by the embodiment of the invention can be used for treating microaneurysms, the microaneurysms smaller than 1mm are difficult to fill by using a spring coil, and even no spring coil smaller than 1mm can be used for treating the aneurysms; the spring wire electrocoagulation device provided by the embodiment of the invention can also be used for treating distal branch vascular aneurysms, and for thinner and farther aneurysms, the spring wire electrocoagulation device has larger packing difficulty when being used for treating by using a spring coil; the spring wire electrocoagulation device provided by the embodiment of the invention can also be used for reducing the recurrence rate of aneurysm treatment and assisting in treating aneurysm with incomplete embolism, and in the process of aneurysm treatment, the spring wire electrocoagulation device is used under the conditions that partial stuffing is not compact, contrast agent enters but a spring ring cannot be stuffed, and the thinner head end of the spring wire electrocoagulation device can enter a gap to realize partial occlusion; the spring wire electrocoagulation device provided by the embodiment of the invention can be used for selectively blocking small blood vessels and incompletely blocked parts in the gluing process, and avoiding the condition of incapability of tube drawing caused by solidification of the embolic glue due to multiple long-time gluing operations. The spring wire electrocoagulation device provided by the invention has the advantages that no implanted instrument is used in the treatment process, the load in the heart of a patient can be reduced, the distance between a cathode and an anode in the electrocoagulation process is very small, the resistance of the conductive wire is very low, the electrocoagulation efficiency is high, the auxiliary treatment process is generally less than 5 minutes, the consumed time is short, and the effect is quick; meanwhile, the prolongation of the operation time caused by the complication caused by the repeated adjustment of the spring ring in the conventional spring ring embolism treatment can be avoided.
Compared with the prior art, the spring wire electrocoagulation device provided by the embodiment of the invention has the advantages that the conveying steel pipe is sleeved with the insulating heat-shrinkable tube at the near end, the conductive pipe is sleeved outside the insulating heat-shrinkable tube, the supporting spring is sleeved at the far end of the conveying steel pipe, the cathode spring is connected to the far end of the supporting spring through the first bonding point, the anode spring is connected with the cathode spring through the second bonding point, the conductive pipe is connected with the anode spring through the anode conductive wire wrapped with the insulating layer, the near end of the conveying steel pipe is connected with the cathode spring through the cathode conductive wire wrapped with the insulating layer, and after the power supply is electrified between the near end of the conveying steel pipe and the conductive pipe, the anode spring is subjected to electrolytic reaction, so that embolism of tiny aneurysm is realized.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A spring wire electrocoagulation device, comprising:
the near end of the conveying steel pipe is provided with a grinding part, and an insulating heat-shrinkable tube is sleeved outside the grinding part; the near end of the conveying steel pipe is connected with the negative electrode of an external power supply;
the conductive pipe is sleeved outside the insulating heat shrinkable pipe; the conductive tube is connected with the positive electrode of the power supply;
the supporting spring is connected with the far end of the conveying steel pipe through a first connecting heat shrink pipe;
the cathode spring is connected with the far end of the supporting spring through a first bonding point;
the cathode conductive wire penetrates through the conveying steel pipe, the near end of the cathode conductive wire is connected with the near end of the conveying steel pipe, and the far end of the cathode conductive wire is connected with the cathode spring; the cathode spring, the cathode conductive wire and the conveying steel pipe form a cathode passage of the power supply;
the anode spring is connected with the far end of the cathode spring through a second bonding point;
the anode conductive wire penetrates through the conveying steel pipe, the near end of the anode conductive wire is connected with the conductive pipe, and the far end of the anode conductive wire is connected with the anode spring; the anode spring, the anode conductive wire and the conductive tube form a positive electrode passage of the power supply;
the stainless steel ball cap is formed at the far end of the anode spring by laser welding or laser spot welding;
the supporting core wire penetrates through the supporting spring, the cathode spring and the anode spring, the near end of the supporting core wire is connected with the far end of the conveying steel pipe, and an insulating layer is arranged outside the supporting core wire;
the developing marking ring is sleeved at the far end of the supporting core wire;
the anode spring and the cathode spring are conveyed to a diseased part in a blood vessel by the conveying steel pipe, the power switch is turned on, the anode spring and the cathode spring conduct the anode passage and the cathode passage through electrolyte in blood to form a current loop, the anode spring generates electrolytic reaction, and embolism is generated at the diseased part.
2. The spring wire electrocoagulation device according to claim 1, wherein the anode spring is ring-shaped stainless steel with an outer diameter of 0.2-0.5 mm, or a gap spring with an outer diameter of 0.2-0.36 mm formed by winding stainless steel wires with a diameter of 0.02-0.08 mm.
3. The spring wire electrocoagulation device according to claim 1, wherein the cathode spring is a ring-shaped stainless steel or a ring-shaped platinum alloy with an outer diameter of 0.2-0.5 mm, or a gap spring with an outer diameter of 0.2-0.36 mm formed by winding a stainless steel wire or a platinum alloy wire with a diameter of 0.02-0.08 mm.
4. The spring wire electrocoagulation device according to claim 1, wherein the anode conductive wire and the cathode conductive wire are both made of noble metal alloy wires;
the outside of the noble metal alloy wire is provided with an insulating layer;
the diameters of the anode conductive wire and the cathode conductive wire are both 0.05-0.1 mm.
5. The spring-wire electrocoagulation device according to claim 1, wherein the first adhesive point is a heat-curable glue and the second adhesive point is an ultraviolet-curable glue.
6. The spring-wire electrocoagulation device according to claim 1, wherein the development marker ring is made of platinum alloy.
7. The spring wire electrocoagulation device according to claim 1, wherein the conveying steel pipe is a stainless steel pipe or a nickel titanium pipe with taper grinding, and the diameter of the conveying steel pipe is 0.3-0.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110668625.5A CN113397638A (en) | 2021-06-16 | 2021-06-16 | Spring wire electric coagulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110668625.5A CN113397638A (en) | 2021-06-16 | 2021-06-16 | Spring wire electric coagulation device |
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| Publication Number | Publication Date |
|---|---|
| CN113397638A true CN113397638A (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110668625.5A Withdrawn CN113397638A (en) | 2021-06-16 | 2021-06-16 | Spring wire electric coagulation device |
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| CN (1) | CN113397638A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114587572A (en) * | 2022-04-19 | 2022-06-07 | 河南积著信息技术有限公司 | Intracranial adjustable radio frequency nerve electrode and use method thereof |
-
2021
- 2021-06-16 CN CN202110668625.5A patent/CN113397638A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114587572A (en) * | 2022-04-19 | 2022-06-07 | 河南积著信息技术有限公司 | Intracranial adjustable radio frequency nerve electrode and use method thereof |
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Application publication date: 20210917 |