CN112674866A - Micro-guide wire for electrocoagulation treatment and electrocoagulation treatment device - Google Patents
Micro-guide wire for electrocoagulation treatment and electrocoagulation treatment device Download PDFInfo
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- CN112674866A CN112674866A CN202110013941.9A CN202110013941A CN112674866A CN 112674866 A CN112674866 A CN 112674866A CN 202110013941 A CN202110013941 A CN 202110013941A CN 112674866 A CN112674866 A CN 112674866A
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- 238000009297 electrocoagulation Methods 0.000 title claims abstract description 31
- 239000000956 alloy Substances 0.000 claims abstract description 137
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 136
- 239000011248 coating agent Substances 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 238000005476 soldering Methods 0.000 claims abstract description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 17
- 230000002209 hydrophobic effect Effects 0.000 claims description 13
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 12
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 11
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 abstract description 7
- 201000008450 Intracranial aneurysm Diseases 0.000 abstract description 6
- 210000005036 nerve Anatomy 0.000 abstract description 5
- 230000037361 pathway Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 13
- 239000003292 glue Substances 0.000 description 8
- ZONODCCBXBRQEZ-UHFFFAOYSA-N platinum tungsten Chemical compound [W].[Pt] ZONODCCBXBRQEZ-UHFFFAOYSA-N 0.000 description 7
- 206010002329 Aneurysm Diseases 0.000 description 5
- 208000007536 Thrombosis Diseases 0.000 description 5
- 229910001080 W alloy Inorganic materials 0.000 description 5
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 201000011066 hemangioma Diseases 0.000 description 2
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 206010008132 Cerebral thrombosis Diseases 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 201000001429 Intracranial Thrombosis Diseases 0.000 description 1
- 208000032382 Ischaemic stroke Diseases 0.000 description 1
- 208000009857 Microaneurysm Diseases 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000010102 embolization Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a micro-guide wire for electrocoagulation treatment and an electrocoagulation treatment device, which comprise a soft alloy core wire body, an alloy spring ring sleeved on the soft alloy core wire body, a tin soldering forming head formed at one end of the soft alloy core wire body and used for fixing one end of the alloy spring ring, a soft adhesive layer which is coated on the outer side of the soft alloy core wire body and at least partially coated on the alloy spring ring, and a hydrophilic coating positioned on the outer side of the soft adhesive layer. The invention has the advantages that: the conductive gel can be used as a pathway product for taking emboli through nerve intervention, and can be used for performing electrocoagulation treatment on intracranial aneurysm and the like due to certain conductive performance.
Description
Technical Field
The invention relates to a micro-guide wire for electrocoagulation treatment and an electrocoagulation treatment device.
Background
The micro guide wire is a medical appliance for nerve interventional operation, and is used in treating cerebral ischemic stroke (cerebral thrombosis) in cooperation with catheter, thrombus taking support, etc. The micro-guide wire can also be matched with a release spring ring to treat intracranial aneurysm, namely embolism treatment. In cases such as intracranial microaneurysms, conventional embolization is difficult to achieve, and intravascular electrocoagulation provides a possible treatment. A loop is formed by the micro guide wire, the puncture needle, the connecting wire and the electrolytic remover, the micro guide wire enters the inner cavity of the hemangioma, weak current generated by the direct current power supply reaches the far end of the micro guide wire serving as an anode, and generates an adsorption effect on negatively charged components in blood based on the electrolysis principle to form local 'electro-thrombosis', fill the inner cavity of the hemangioma and finally block the aneurysm cavity, so that the purpose of treating the aneurysm is achieved. The existing micro-guide wire cannot be used for electrocoagulation treatment due to the fact that the structural design has no conductivity or insufficient conductivity, the existing micro-guide wire shows that only one foreign Tracx process 14 micro-guide wire can achieve electrocoagulation according to the current published data, and domestic similar micro-guide wire products have no related reports.
Disclosure of Invention
The invention aims to: the micro guide wire can be used for electrocoagulation treatment, not only can be used as a pathway product for nerve intervention thrombus removal, but also can be used for electrocoagulation treatment of intracranial aneurysm and the like due to certain electric conductivity.
The first technical scheme of the invention is as follows: a micro-guidewire useful for electrocoagulation treatment, comprising: the soft alloy core wire body, the alloy spring ring sleeved on the soft alloy core wire body, the tin soldering forming head formed at one end of the soft alloy core wire body and used for fixing one end of the alloy spring ring, the soft adhesive layer which is coated on the outer side of the soft alloy core wire body and at least partially coated on the alloy spring ring, and the hydrophilic coating which is positioned on the outer side of the soft adhesive layer.
On the basis of the technical scheme, the method further comprises the following subsidiary technical scheme:
the wire body is characterized by further comprising a connecting pipe, a hard alloy core wire body and a hydrophobic coating, wherein one end of the connecting pipe is connected with the other end of the soft alloy core wire body, the hard alloy core wire body is connected with the other end of the connecting pipe, and the hydrophobic coating is positioned on the outer side of the hard alloy core wire body.
The alloy spring ring is made of a platinum-containing alloy which is not penetrated and can be developed under the irradiation of X rays, the soft alloy core wire body is made of a titanium-containing alloy, the hard alloy core wire body is made of a steel-containing material, the connecting pipe is made of nickel-titanium alloy, and the soft rubber layer is made of thermoplastic polyurethane.
The alloy spring ring is 0.24-0.30 mm in outer diameter and 0.01-0.09 mm in wire diameter.
The length of the steel plate is 1.8-3.2 m, and the outer diameter is 0.2-0.4 mm.
The second technical scheme of the invention is as follows: an electrocoagulation treatment device, comprising: DC power supply, the pjncture needle that links to each other with the DC power supply negative pole and the little seal wire that links to each other with the DC power supply positive pole, wherein little seal wire includes: the soft alloy core wire body, the alloy spring ring sleeved on the soft alloy core wire body, the tin soldering forming head formed at one end of the soft alloy core wire body and used for fixing one end of the alloy spring ring, the soft adhesive layer which is coated on the outer side of the soft alloy core wire body and at least partially coated on the alloy spring ring, and the hydrophilic coating which is positioned on the outer side of the soft adhesive layer.
The wire body is characterized by further comprising a connecting pipe, a hard alloy core wire body and a hydrophobic coating, wherein one end of the connecting pipe is connected with the other end of the soft alloy core wire body, the hard alloy core wire body is connected with the other end of the connecting pipe, and the hydrophobic coating is positioned on the outer side of the hard alloy core wire body.
The alloy spring ring is made of a platinum-containing alloy which is not penetrated and can be developed under the irradiation of X rays, the soft alloy core wire body is made of a titanium-containing alloy, the hard alloy core wire body is made of a steel-containing material, the connecting pipe is made of nickel-titanium alloy, and the soft rubber layer is made of thermoplastic polyurethane.
The length of the alloy spring ring is 1.8-3.2 m, the outer diameter of the alloy spring ring is 0.2-0.4mm, the outer diameter of the alloy spring ring is 0.24-0.30 mm, and the wire diameter of the alloy spring ring is 0.01-0.09 mm.
The invention has the advantages that: the conductive gel can be used as a pathway product for taking emboli through nerve intervention, and can be used for performing electrocoagulation treatment on intracranial aneurysm and the like due to certain conductive performance.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a partial block diagram in a first embodiment of the invention;
FIG. 2 is a cross-sectional view at a perspective of the first embodiment of the present invention;
FIG. 3 is a cross-sectional view from another perspective of the first embodiment of the present invention;
FIG. 4 is a diagram of a usage scenario for a second embodiment of the present invention;
fig. 5 is a schematic diagram of a second embodiment of the present invention.
Detailed Description
Example (b): as shown in FIGS. 1-3, the present invention discloses a first embodiment of a micro-guide wire for electrocoagulation treatment, which comprises a soft alloy core filament 120, an alloy spring coil 130 sleeved on the soft alloy core filament 120, a soldering molding head 140 formed at one end of the soft alloy core filament 120 and fixing one end of the alloy spring coil 130, a connecting tube 150 having one end connected to the other end of the soft alloy core filament 120, a hard alloy core filament 170 connected to the other end of the connecting tube 150, a hydrophobic coating 200 located on the outer side of the hard alloy core filament 170, a soft rubber layer 160 covering the soft alloy core filament 120 and at least partially covering the alloy spring coil 130, and a hydrophilic coating 210 located on the outer side of the soft rubber layer 160. The micro-guide wire main body comprises a soft alloy core wire body 120 and a hard alloy core wire body 170 which are connected through a nickel-titanium alloy connecting pipe 150, the connection is preferably glue bonding, the rear end of the soft alloy core wire body 120 and the front end of the hard alloy core wire body 170 are respectively and firmly connected with the connecting pipe 150 through glue in a bonding mode, the glue is preferably medical glue, and can also be instant glue, AB glue, ultraviolet curing glue and the like. The micro-guide wire is connected in a glue bonding mode, so that the flexibility and the twisting control performance of the micro-guide wire are guaranteed.
The soft alloy core filament 120 is titanium-containing alloy, preferably nickel-titanium alloy; the soft alloy core wire body 120 has a radial continuous gradient structure, the front section has a cross-sectional gradient structure, the cross-section of the foremost end is similar to a rectangle, and the transition is made to a round cross-section. The circular section has a radial gradual change structure to form a certain taper. The soft alloy core wire body 120 is divided into a shaping section, a transition section and a supporting section, the front end of the shaping section is an approximately rectangular section formed by flattening a thin core, the length and width dimensions are 0.02-0.10 mm, the rear section is tapered, the outer diameter is 0.04-0.22 mm, and the total length is 800-1100 mm; the transition section is also in a tapered gradual change, the outer diameter is 0.15-0.30, and the length is 40-60 mm; the supporting part is cylindrical, the outer diameter of the supporting part is 0.22-0.38 mm, and the length of the supporting part is 600-700 mm; the hard alloy core wire body 170 is integrally in a cylindrical form, the front end and the rear end of the hard alloy core wire body are provided with gradually-changed transition conical surfaces, the outer diameter is 0.30-0.38 mm, and the length is 1900-2200 mm; this combination allows a better transmission of the pushing force and the torque.
Alloy spring ring 130 is a platinum-containing alloy that is opaque and developable under X-ray irradiation, preferably a platinum-tungsten alloy; the hard alloy core wire body 170 is a steel-containing material, preferably a medical grade stainless steel material; the connector 150 is preferably nitinol and the soft gel layer 160 is thermoplastic polyurethane. The outer diameter of the alloy spring ring 130 is preferably 0.24-0.30 mm, and the wire diameter is preferably 0.01-0.09 mm. The rear end of the alloy spring ring 130 penetrates into the soft rubber layer 160 to form an overlapping area, and the soft rubber layer 160 is formed again through hot compress and tightly wraps the rear end of the platinum-tungsten alloy spring ring 1. The outer surface of the soft adhesive layer 160 is coated with the hydrophilic coating 210, which is beneficial to reducing the intravascular running resistance. The length of the micro-guide wire 10 is preferably 1.8-3.2 m, and the outer diameter is 0.2-0.4 mm. One end of the alloy spring ring 130 is fixed with the soft alloy core wire body 120 through tin soldering or medical conductive glue, and a hemispherical head end is formed; the other end of the alloy spring ring 130 is coated by Thermoplastic Polyurethane (TPU) and then fixed on the soft alloy core filament 120, and the outer surface of the soft rubber layer 160 is coated with a hydrophilic coating 210. The rear section of the soft alloy core wire body 120 and the outer surface of the hard alloy core wire body 170 except the tail end are coated with a hydrophobic coating 200, and the hydrophobic coating 200 is preferably a polytetrafluoroethylene high polymer material coating. The hydrophilic coating 210 provides the outer surface of the soft alloy core filament 120 with a good lubricity in blood, water, or other solutions. The hydrophobic coating 200 provides the hard alloy core wire 170 with a low coefficient of sliding friction. The soft rubber layer 160 covers the soft alloy core filament body 120, so that the soft alloy core filament body can be developed under X-ray, the hardness is moderate, certain flexibility is kept, and the controllability of the micro-guide wire is kept.
4-5, based on the first embodiment, the present invention discloses a second embodiment of an electrocoagulation treatment apparatus, comprising a DC power supply 13, a puncture needle 17 connected to the negative pole of the DC power supply, and a micro-guidewire 10 connected to the positive pole of the DC power supply, wherein the micro-guidewire 10 comprises: the soft alloy core wire body 120, the alloy spring ring 130 sleeved on the soft alloy core wire body 120, the soldering forming head 140 formed at one end of the soft alloy core wire body 120 and fixing one end of the alloy spring ring 130, the connecting pipe 150 with one end connected with the other end of the soft alloy core wire body 120, the hard alloy core wire body 170 connected with the other end of the connecting pipe 150, the hydrophobic coating 200 positioned at the outer side of the hard alloy core wire body 170, the soft rubber layer 160 coated at the outer side of the soft alloy core wire body 120 and at least partially coated on the alloy spring ring 130, and the hydrophilic coating 210 positioned at the outer side of the soft rubber layer 160. The end of the hard alloy core wire 170 is uncoated for easy connection to a dc power source.
The soft alloy core filament 120 is titanium-containing alloy, preferably nickel-titanium alloy; alloy spring ring 130 is a platinum-containing alloy that is opaque and developable under X-ray irradiation, preferably a platinum-tungsten alloy; the hard alloy core wire body 170 is a steel-containing material, preferably a stainless steel material; the connector 150 is preferably nitinol and the soft gel layer 160 is thermoplastic polyurethane. The outer diameter of the alloy spring ring 130 is preferably 0.24-0.30 mm, and the wire diameter is preferably 0.01-0.09 mm. The length of the micro-guide wire 10 is preferably 1.8-3.2 m, and the outer diameter is 0.2-0.4 mm. One end of the alloy spring ring 130 is fixed with the soft alloy core wire body 120 through tin soldering or medical conductive glue, and a hemispherical head end is formed; the other end of the alloy spring ring 130 is coated by Thermoplastic Polyurethane (TPU) and then fixed on the soft alloy core filament 120, and the outer surface of the soft rubber layer 160 is coated with a hydrophilic coating 210. The rear section of the soft alloy core wire body 120 and the outer surface of the hard alloy core wire body 170 except the tail end are coated with a hydrophobic coating 200, and the hydrophobic coating 200 is preferably a polytetrafluoroethylene high polymer material coating. The covering range of the PTFE coating is 5-30 mm from the tail end of the stainless steel core wire, namely the tail end is bare metal, so that the PTFE coating is conveniently clamped and connected into a condenser circuit.
The micro-guide wire is made of conductor materials from the tin soldering forming head, the platinum-tungsten alloy spring ring, the nickel-titanium alloy core wire, the nickel-titanium connecting pipe to the tail end of the stainless steel core wire, the metal surface is made of polymer coating insulating materials, the tail end of the micro-guide wire is exposed and conductive, the micro-guide wire is clamped and connected into the positive pole of a current loop through a connecting wire, and the negative pole of a direct current constant current power supply is connected with a metal puncture needle which punctures into the subcutaneous part of a human. According to the electrolysis principle, an inert material platinum-tungsten spring is used as an anode, a puncture needle is used as a cathode, and human blood is used as an electrolyte solution to form an electrocoagulation complete loop. The hemispherical head end of the tin-soldering forming head of the micro guide wire is not only favorable for intravascular guidance and reduction of damage to the tube wall, but also smooth in outer surface, and the platinum-tungsten alloy material has better developing effect under X-ray and is favorable for current conduction and charge concentration.
During electrocoagulation treatment, a micro-guide wire 10 ascends to a intracranial aneurysm lesion position 12 (in or near a cavity) through an arterial blood vessel 11, a positive connecting wire 14 of a direct-current power supply 13 clamps a micro-guide wire tail end 15, a negative connecting wire 16 clamps a puncture needle 17, and the puncture needle 17 is inserted into the subcutaneous part of a human body (can be inserted into the blood vessel). According to the electrolysis principle, the head end 18 of the micro-guide wire (platinum-tungsten spring) is used as an inert anode, the head end 19 of the puncture needle is used as a cathode, and the human blood 20 is used as an electrolyte solution to form a complete loop of electrocoagulation. When a direct current power supply is turned on (for example, tens of seconds to minutes, the direct current power supply is continuously powered on or interrupted), constant current is conducted through the micro-guide wire 10 to reach the aneurysm 12, negatively charged components in blood are attracted by positive charges at the head end of the micro-guide wire and are continuously collected, an electro-thrombosis process occurs, and the aneurysm 12 is blocked by thrombus formed by electrocoagulation and finally filling is achieved.
The invention has the advantages that: the conductive gel can be used as a pathway product for taking emboli through nerve intervention, and can be used for performing electrocoagulation treatment on intracranial aneurysm and the like due to certain conductive performance.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A micro-guidewire useful for electrocoagulation treatment, comprising: the soft alloy core wire comprises a soft alloy core wire body (120), an alloy spring ring (130) sleeved on the soft alloy core wire body (120), a tin soldering forming head (140) formed at one end of the soft alloy core wire body (120) and used for fixing one end of the alloy spring ring (130), a soft rubber layer (160) covering the outer side of the soft alloy core wire body (120) and at least partially covering the alloy spring ring (130), and a hydrophilic coating (210) located on the outer side of the soft rubber layer (160).
2. The micro-guidewire of claim 1, further comprising a connector tube (150) connected at one end to the soft alloy core wire (120) and at another end, a hard alloy core wire (170) connected to the other end of the connector tube (150), and a hydrophobic coating (200) on the outside of the hard alloy core wire (170).
3. A micro-guidewire useful in electrocoagulation treatment according to claim 2, wherein: the alloy spring ring (130) is made of platinum-containing alloy which is not penetrated and can be developed under the irradiation of X-rays, the soft alloy core wire body (120) is made of titanium-containing alloy, the hard alloy core wire body (170) is made of steel-containing material, the connecting pipe (150) is made of nickel-titanium alloy, and the soft rubber layer (160) is made of thermoplastic polyurethane.
4. A minisize guide wire for electrocoagulation treatment as claimed in claim 1, 2 or 3, wherein: the outer diameter of the alloy spring ring (130) is 0.24-0.30 mm, and the wire diameter is 0.01-0.09 mm.
5. The micro-guidewire of claim 4, having a length of 1.8-3.2 m and an outer diameter of 0.2-0.4 mm.
6. An electrocoagulation treatment device, characterised in that it comprises: direct current power supply (13), pjncture needle (17) that link to each other with direct current power supply negative pole and little seal wire (10) that link to each other with direct current power supply positive pole, wherein little seal wire includes: the soft alloy core wire comprises a soft alloy core wire body (120), an alloy spring ring (130) sleeved on the soft alloy core wire body (120), a tin soldering forming head (140) formed at one end of the soft alloy core wire body (120) and used for fixing one end of the alloy spring ring (130), a soft rubber layer (160) covering the outer side of the soft alloy core wire body (120) and at least partially covering the alloy spring ring (130), and a hydrophilic coating (210) located on the outer side of the soft rubber layer (160).
7. The electrocoagulation treatment device of claim 6, further comprising a connecting tube (150) having one end connected to the other end of the soft alloy core wire (120), a hard alloy core wire (170) connected to the other end of the connecting tube (150), and a hydrophobic coating (200) on the outside of the hard alloy core wire (170).
8. The electrocoagulation treatment device of claim 7, wherein: the alloy spring ring (130) is made of platinum-containing alloy which is not penetrated and can be developed under the irradiation of X-rays, the soft alloy core wire body (120) is made of titanium-containing alloy, the hard alloy core wire body (170) is made of steel-containing material, the connecting pipe (150) is made of nickel-titanium alloy, and the soft rubber layer (160) is made of thermoplastic polyurethane.
9. An electrocoagulation treatment device according to claim 6, 7 or 8, wherein: the length of the spring ring is 1.8-3.2 m, the outer diameter of the spring ring is 0.2-0.4mm, the outer diameter of the alloy spring ring (130) is 0.24-0.30 mm, and the wire diameter of the spring ring is 0.01-0.09 mm.
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| CN202110013941.9A CN112674866A (en) | 2021-01-06 | 2021-01-06 | Micro-guide wire for electrocoagulation treatment and electrocoagulation treatment device |
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| CN202110013941.9A CN112674866A (en) | 2021-01-06 | 2021-01-06 | Micro-guide wire for electrocoagulation treatment and electrocoagulation treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117122405A (en) * | 2023-10-13 | 2023-11-28 | 山东维心医疗器械有限公司 | Electric coagulator for pathologic through vein interventional therapy |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6142975A (en) * | 1998-12-31 | 2000-11-07 | Advanced Cardiovascular Systems, Inc. | Guidewire having braided wire over drawn tube construction |
| CN101209365A (en) * | 2006-12-28 | 2008-07-02 | 朝日印帝克股份有限公司 | A medical guide wire |
| CN101502693A (en) * | 2009-03-27 | 2009-08-12 | 北京天地和协科技有限公司 | Guiding wire |
| CN201414803Y (en) * | 2009-05-08 | 2010-03-03 | 深圳市滴一海科技发展有限公司 | Micro-guide wire |
| CN204364622U (en) * | 2014-12-25 | 2015-06-03 | 周玉杰 | A kind of Misgurni anguillicaudati seal wire being easy to manipulate |
| US20170071667A1 (en) * | 2006-01-27 | 2017-03-16 | Baylis Medical Company Inc. | Electrosurgical Device for Creating a Channel through a Region of Tissue and Methods of Use thereof |
| CN106725697A (en) * | 2017-03-03 | 2017-05-31 | 王奎重 | A kind of multiple spot for freeing embolism materials is electrolysed de- system and solution desorption method |
| CN109481005A (en) * | 2018-09-25 | 2019-03-19 | 上海长海医院 | A kind of ganglioside GM_3 micro-wire monopolar coagulation |
| CN210990690U (en) * | 2019-08-19 | 2020-07-14 | 河北医科大学第一医院 | Intracranial aneurysm occlusion device |
| CN212067416U (en) * | 2019-10-15 | 2020-12-04 | 苏州中天医疗器械科技有限公司 | Novel micro-guide wire structure and intracranial micro-guide wire applied to acute cerebrovascular disease |
-
2021
- 2021-01-06 CN CN202110013941.9A patent/CN112674866A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6142975A (en) * | 1998-12-31 | 2000-11-07 | Advanced Cardiovascular Systems, Inc. | Guidewire having braided wire over drawn tube construction |
| US20170071667A1 (en) * | 2006-01-27 | 2017-03-16 | Baylis Medical Company Inc. | Electrosurgical Device for Creating a Channel through a Region of Tissue and Methods of Use thereof |
| CN101209365A (en) * | 2006-12-28 | 2008-07-02 | 朝日印帝克股份有限公司 | A medical guide wire |
| CN101502693A (en) * | 2009-03-27 | 2009-08-12 | 北京天地和协科技有限公司 | Guiding wire |
| CN201414803Y (en) * | 2009-05-08 | 2010-03-03 | 深圳市滴一海科技发展有限公司 | Micro-guide wire |
| CN204364622U (en) * | 2014-12-25 | 2015-06-03 | 周玉杰 | A kind of Misgurni anguillicaudati seal wire being easy to manipulate |
| CN106725697A (en) * | 2017-03-03 | 2017-05-31 | 王奎重 | A kind of multiple spot for freeing embolism materials is electrolysed de- system and solution desorption method |
| CN109481005A (en) * | 2018-09-25 | 2019-03-19 | 上海长海医院 | A kind of ganglioside GM_3 micro-wire monopolar coagulation |
| CN210990690U (en) * | 2019-08-19 | 2020-07-14 | 河北医科大学第一医院 | Intracranial aneurysm occlusion device |
| CN212067416U (en) * | 2019-10-15 | 2020-12-04 | 苏州中天医疗器械科技有限公司 | Novel micro-guide wire structure and intracranial micro-guide wire applied to acute cerebrovascular disease |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117122405A (en) * | 2023-10-13 | 2023-11-28 | 山东维心医疗器械有限公司 | Electric coagulator for pathologic through vein interventional therapy |
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Application publication date: 20210420 |