CN204708982U - A kind of guiding catheter - Google Patents
A kind of guiding catheter Download PDFInfo
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- CN204708982U CN204708982U CN201520362821.XU CN201520362821U CN204708982U CN 204708982 U CN204708982 U CN 204708982U CN 201520362821 U CN201520362821 U CN 201520362821U CN 204708982 U CN204708982 U CN 204708982U
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Abstract
The utility model discloses a kind of guiding catheter, comprising: conduit pipe shaft, comprise conduit head end, conduit can the section of deflection, fixing curved segment and catheter main body, and modular catheter, be connected with described conduit pipe shaft; Wherein, in described conduit pipe shaft, bracing wire is set, described modular catheter is provided with the first knob and the second knob, described first knob is connected with described conduit pipe shaft, rotate along the central shaft of described catheter main body for controlling described conduit pipe shaft, described second knob is connected with described bracing wire, can the deflection of the section of deflection for controlling described conduit.The guiding catheter that this utility model provides has fixed bend and adjustable bending simultaneously, multiple bending can be realized according to clinical demand, therefore, can be regulated adjustable bending by joystick, also can make conduit pipe shaft centrally axle rotate freely, the arrival rate of conduit in renal artery ablation and the power that reclines can be increased, increase the success rate of operation, reduce time and the risk of operation.
Description
Technical field
This utility model relates to a kind of medical electrode conduit, particularly relates to a kind of guiding catheter.
Background technology
Percutaneous renal artery ablation can be used to treat intractable hypertension.This operation introduces radio frequency ablation catheter by percutaneous, arrives at renal artery place and melts, melt destruction, thus make blood pressure drops to the sympathetic nerve on renal artery.Single mode of radio frequency ablation catheter that adopts has more shortcoming, as long in conduit arrival time, melts target spot arrival rate low, little with the contact force of tissue, controls curved complexity, is difficult to be formed and effectively melts stove etc.
Can address these problems well by introducing guiding catheter, can operating time be reduced, improve safety and the effectiveness of operation.Guiding catheter is on the market generally used for intracardiac treatment, after amendment simply, as sheath length done short after namely melt for renal artery simply.This series products sets out according to the actual of renal artery ablative surgery, can not meet the demand that it is relevant, makes the arrival rate of conduit low less than normal with contact force.Therefore, need the feature melted for renal artery, design the ablation catheter being adapted to its application.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of guiding catheter, there is fixed bend and adjustable bending simultaneously, and can be regulated adjustable bending by joystick, also can make conduit pipe shaft centrally axle rotate freely, the arrival rate of conduit in renal artery ablation and the power that reclines can be increased, the success rate of operation can be increased, reduce time and the risk of operation.
This utility model is solve the problems of the technologies described above the technical scheme adopted to be to provide a kind of guiding catheter, comprise: conduit pipe shaft, comprise conduit head end, conduit can the section of deflection, fixing curved segment and catheter main body, and modular catheter, be connected with described conduit pipe shaft; Wherein, in described conduit pipe shaft, bracing wire is set, described modular catheter is provided with the first knob and the second knob, described first knob is connected with described conduit pipe shaft, rotate along the central shaft of described catheter main body for controlling described conduit pipe shaft, described second knob is connected with described bracing wire, can the deflection of the section of deflection for controlling described conduit.
Further, described first knob is the cylinder of a hollow, and the outer surface of described cylindrical inner surface and described conduit pipe shaft interfixes.
Further, female thread bar, external thread rod, gear, the first tooth bar and the second tooth bar is provided with in described modular catheter, described second knob and described female thread bar are fixedly linked, described female thread bar has female thread, described external thread rod has external screw thread, described female thread is threaded with described external screw thread, described external thread rod and described first tooth bar are fixedly linked, described first tooth bar, gear engage successively with the second tooth bar and are connected, the quantity of described bracing wire is two, is separately fixed on described first tooth bar and the second tooth bar.
Further, described bracing wire is fixed on described first tooth bar and the second tooth bar by screw or be adhesively fixed.
Further, described conduit head end, conduit can the section of deflection, fixing curved segment, catheter main body be connected with modular catheter successively.
Further, described conduit head end, fixing curved segment, conduit can the section of deflection, catheter main body be connected with modular catheter successively.
Further, described conduit head end material is polyethylene or PEBAX; Described conduit can the section of deflection, fixing curved segment is or/and the material of catheter main body is TPU, nylon or with metal knitted PEBAX.
Further, described conduit head end, conduit can the section of deflection, fixing curved segment and catheter main body be successively by weld or gluing mode is connected.
Further, described conduit head end, fixing curved segment, conduit can the section of deflection be connected by welding or gluing mode with catheter main body successively.
Further, described welding manner is hot air reflux welding, high-frequency welding or electric resistance welding.
Further, described fixed bend segment length is 50-200mm, and can deflect segment length is 50-200mm, and catheter main body length is 300-400mm.
Further, described fixed bend segment length is 100mm, and can deflect segment length is 100mm, and catheter main body length is 400mm.
Further, the tail end of described modular catheter is provided with haemostatic valve, and described haemostatic valve communicates with the catheter tube of hollow.
Further, the far-end of described conduit head end is tapered, and described conduit head end is provided with discharge orifice.
Further, described fixing curved segment and can the section of deflection comprise internal layer and skin, described inner layer material is politef, FEP or PFA, and the thickness of internal layer is 0.02-0.5mm; Described cladding material is PEBAX, nylon, polyurethane or PE.
Further, sheathed developing ring outside the described internal layer of the described section of deflection, the far-end of described developing ring be positioned at fixing curved segment with can the boundary of the section of deflection.
Further, be provided with stay thimble after described developing ring, two bracing wires are separately fixed at the both sides of described stay thimble.
Further, described bracing wire is cylinder silk, taper silk or flat filament, and described stayguy material is rustless steel or Nitinol.
Further, be provided with stay wire tube between described skin and internal layer, described bracing wire is placed in described stay wire tube, and described stay wire tube symmetry is pasted on the outside of described internal layer.
Further, described stay wire tube is the PI pipe of PTFE tube or built-in pogo barrel.
Further, the rear end of described stay thimble is provided with wire sheathing, described wire sheathing is woven by stainless steel silk or nitinol alloy wire and is formed, and the diameter of described stainless steel silk or nitinol alloy wire is the density 15-100PPI of 0.01-0.1mm, described wire sheathing.
This utility model contrast prior art has following beneficial effect: the guiding catheter that this utility model provides, by arranging the first knob and the second knob on modular catheter, first knob rotates along the central shaft of catheter main body for controlling conduit pipe shaft, second knob can the deflection of the section of deflection for controlling conduit, and conduit has fixed bend and adjustable bending simultaneously, multiple bending can be realized according to clinical demand, therefore, can be regulated adjustable bending by joystick, also can make conduit pipe shaft centrally axle rotate freely, the arrival rate of conduit in renal artery ablation and the power that reclines can be increased, increase the success rate of operation, reduce time and the risk of operation.
Accompanying drawing explanation
Fig. 1 is that the guiding catheter of this utility model embodiment is for melting schematic diagram in kidney;
Fig. 2 is the guiding catheter structural representation of this utility model embodiment;
Fig. 3 is the part section structural representation of the guiding catheter of this utility model embodiment;
Fig. 4 is the schematic cross-section along A-A in Fig. 3;
Fig. 5 is the multiple bending schematic diagram that the guiding catheter far-end of this utility model embodiment is formed;
Fig. 6 is the guiding catheter structural representation of another embodiment of this utility model;
Fig. 7 is the multiple bending schematic diagram that the guiding catheter far-end of another embodiment of this utility model is formed;
Fig. 8 is the guiding catheter handle inner structural representation of this utility model embodiment.
In figure:
1 ablation catheter 2 guiding catheter 3 renal artery
4 kidney 5 internal layers 6 are outer
7 developing ring 8 stay thimble 9 bracing wires
10 stay wire tube 11 tip electrode 12 wire sheathings
21 modular catheter 22 catheter main bodies 23 can the section of deflection
24 fixing curved segment 25 conduit head ends
211 first knob 212 second knob 213 haemostatic valve
214 female thread bar 215 external thread rod 216 first tooth bars
217 gear 218 second tooth bar 251 discharge orifices
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model will be further described.
Embodiment 1
Fig. 1 is that the guiding catheter of this utility model embodiment is for melting schematic diagram in kidney; Fig. 2 is the guiding catheter structural representation of this utility model embodiment;
Refer to Fig. 1, renal artery ablation can be used to treat intractable hypertension, and it is mainly through melting the sympathetic nerve on renal artery, intercepts sympathetic nerve, the blood pressure of hyperpietic is reduced.Fig. 1 is that guiding catheter is for melting schematic diagram in kidney, first femoral artery is punctured, pass into seal wire, set up to the path of renal artery 3, introduce renal artery guiding catheter 2, extract seal wire out, insert renal artery ablation catheter 1 from the haemostatic valve 213 of renal artery guiding catheter 2 near-end, enter renal artery 3 and melt.
Refer to Fig. 2 and Fig. 3, the guiding catheter that the present embodiment provides by conduit head end 25, fixing curved segment 24, can the section of deflection 23, catheter main body 22 and modular catheter 21 form.In the present embodiment, conduit head end 25, fixing curved segment 24, can the section of deflection 23 and catheter main body 22 by weld or gluing mode is connected, preferred employing hot air reflux welding (Reflow) technology, Reflow technology can make the tubing of multilamellar unlike material mutually combine together, and also can adopt high-frequency welding or electric resistance welding.
Conduit head end 25 is made for macromolecular material, is generally polyethylene or polyether block acyl (PEBAX).Conduit head end 25 is provided with discharge orifice 251, insertion or when extracting guiding catheter, described discharge orifice 251 can get rid of liquid or gas, discharge orifice 251 diameter is preferably 1mm.The length of fixing curved segment 24, at 50-200mm, is preferably 100mm, and the material of fixing curved segment 24 can be the PEBAX being with metal knitted silk, also can be Polyurethane Thermoplastic Elastomer (TPU), nylon or other macromolecular materials.Can the section of deflection 23 length at 50-200mm, be preferably 100mm, can the section of deflection 23 material can be the metal knitted PEBAX of band, also can be TPU, nylon or other macromolecular materials.Catheter main body 22 length is at 300-400mm, and be preferably 400mm, equally, catheter main body 22 length can be with the PEBAX of metal knitted silk, also can be TPU, nylon or other macromolecular materials.
Modular catheter 21 can control catheter tube rotation and can the deflection of the section of deflection 23, wherein, rotate the first knob 211 can make catheter tube centrally axle rotate, rotating second knob 212 can make the section of deflection 23 to deflect.The tail end of modular catheter 21 is with haemostatic valve 213, and haemostatic valve 213 communicates with the catheter tube of hollow, and ablation catheter 1 can enter modular catheter 21 by haemostatic valve 213, and then enters catheter tube.
Fig. 3 is the part section structural representation of the guiding catheter of this utility model embodiment; Fig. 4 is the schematic cross-section along A-A in Fig. 3.
Refer to Fig. 3 and Fig. 4, in the present embodiment, Fig. 3 is the part sectioned view of the far-end of guiding catheter 2.Tapered at the far-end of conduit head end 25, its tapering is 1: 30 ~ 1: 50, such as 1: 30,1: 40,1: 50, and tapering is preferably 1: 40.Fixing curved segment 24 is primarily of two-layer formation: internal layer 5 and outer 6, internal layer 5 is polytetrafluoroethylene floor, also can be other fluoroplastics, as fluorinated ethylene propylene copolymer (FEP) or soluble poly tetrafluoroethene (PFA) etc., the thickness of internal layer is 0.02-0.5mm, is preferably 0.1mm.The material of outer 6 is nylon, polyurethane or polyethylene (PE).Internal layer 5 can adopt hot air reflux (reflow) technology of welding to be connected with outer 6, also can adopt high-frequency welding, the mode such as gluing connects.
Fixing curved segment 24 with the boundary of the section of deflection 23 can be generally the far-end of developing ring 7.Can overlap developing ring 7 outside the far-end internal layer of the section of deflection 23, developing ring 7 connects with internal layer 5 and outer 6 respectively, and it is generally platinumiridio, also can be platinum, gold, tantalum, tungsten, tungstenic macromolecule or containing barytic macromolecular material.Developing ring 7 is connected by gluing and internal layer 5, outer 6, and place stay thimble 8 below at developing ring 7, the material of stay thimble 8 can be rustless steel, Nitinol or platinumiridio.Distance between developing ring 7 and stay thimble 8 is 0-20mm.Same, stay thimble 8 connects with internal layer 5 and outer 6 respectively.Bracing wire 9 is welded in the both sides of stay thimble 8 respectively, and bracing wire 9 can be cylinder silk, also can be taper silk or flat filament, and the material of bracing wire 9 can be rustless steel or Nitinol.Bracing wire 9 passes into modular catheter 21 along duct direction, and is anchored in modular catheter 21.
Stay wire tube 10 is also provided with between outer 6 and internal layer 5, be used for placing bracing wire 9, stay wire tube 10 symmetry is pasted on the both sides of internal layer 5, and stay wire tube 10 can be politef (PTFE) pipe, also can be polyimides (PI) pipe of built-in pogo barrel.Wire sheathing 12 is incorporated in the rear end of stay thimble 8, the tinsel of wire sheathing 12 also can be able to be nitinol alloy wire for rustless steel, string diameter is 0.01-0.1mm, the density 15-100PPI (per inch order number) of wire sheathing 12, outer 6 materials are PEBAX, nylon or polyurethane also can be polyethylene (PE).
Fig. 5 is the multiple bending schematic diagram that the guiding catheter far-end of this utility model embodiment is formed.
Fixing curved segment 24 is made by heat fixation mould, and after uncertain curved conduit is placed by the bending groove that mould is preset, insert in heater and carry out thermoforming, forming temperature is different according to material difference, generally between 100-250 degree.The bending of the bending groove preset can adjust as required, can make a series of fixing curved segment with different bending.Fig. 5 is the bending figure of different shape of guiding catheter by being formed after the deflection of the section of deflection of default two fixing bendings, can the deflection angle of the section of deflection can the section of deflection can control the ratio of soft or hard section by regulating.Therefore, those skilled in the relevant art should know, the fixing bending of guiding catheter and bending can be deflected can according to clinical demand, by amendment fixed bend length, segment length can be deflected, fixed bend bending, the ratio that can deflect soft or hard section realize.
Embodiment 2
Fig. 6 is the guiding catheter structural representation of another embodiment of this utility model; Fig. 7 is the multiple bending schematic diagram that the guiding catheter far-end of another embodiment of this utility model is formed.
In embodiment before, fixing curved segment 24 is at conduit head end 25 and can between the section of deflection 23, and in the present embodiment, fixing curved segment 24 is can between the section of deflection 23 and catheter main body 22.The length of fixing curved segment 24, between 50-400mm, is preferably 150mm, can the length of the section of deflection between 50-200mm, be more preferably 50-100mm.The structure of this embodiment is basic similar to Fig. 3, equally, after being processed tubing by Reflow technology, then is fixed the fixed curved of bending mould.Fig. 7 is the bending schematic diagram of this embodiment, fixing curved segment 24 at near-end, conduit can the section of deflection 23 at far-end, control to make conduit the section of deflection 23 deflect by modular catheter 21.Equally, the technology conduit of association area can the section of deflection 23 personnel should be known, the fixing bending of guiding catheter and bending can be deflected can according to clinical demand, by amendment fixed bend length, segment length can be deflected, fixed bend bending, the ratio that can deflect soft or hard section realize.
Fig. 8 is the guiding catheter handle inner structural representation of this utility model embodiment.
Refer to Fig. 8, the far-end of modular catheter 21 is provided with the cylinder that the first knob 211, first knob 211 is a hollow, the inner surface of hollow space and the outer surface of catheter main body 22 are adhesively fixed mutually, like this, when rotation the first knob 211, overall pipe shaft can around central shaft spinning.What the second knob 212 controlled is conduit can the deflection of the section of deflection 23, and its transmission principle turning rectilinear motion mainly through rotary motion realizes two-way deflection.
In the present embodiment, female thread bar 214, external thread rod 215, gear 216, first tooth bar 217 and the second tooth bar 218 is provided with in modular catheter 21, second knob 212 cooperatively interacts with female thread bar 214, second knob 212 directly can be fixed on the outer surface of female thread bar 214, or the second knob 212 is fixed on the outer surface of modular catheter 21, female thread bar 214 is fixedly connected on modular catheter 21, female thread bar 214 can be driven to rotate as long as rotate the second knob 212; The inner side of female thread bar 214 is provided with female thread, the arranged outside of external thread rod 215 has external screw thread, female thread can spiral match activities be connected with external screw thread, external thread rod 215 and the first tooth bar 217 are fixedly linked, first tooth bar 217, gear 216 and the second tooth bar 218 engage successively and are connected, one end of two bracing wires 9 is separately fixed on the first tooth bar 217 and the second tooth bar 218, with fastened by screw, also can stick with glue.When rotation the second knob 212, female thread bar 214 is driven to rotate, the female thread of female thread bar 214 coordinates with the external screw thread of external thread rod 215, external thread rod 215 is driven to advance or retreat, and then external thread rod 215 drives the second tooth bar 218 advance or retreat by the first tooth bar 217, gear 216 again.Here, the direction of the first tooth bar 217 movement is contrary with the second tooth bar 218, even if the different conditions of two bracing wires 9 at one time in degree of tightness, thus reaches the object realizing the bilateral deflection of guiding catheter left and right.
In sum, the guiding catheter that this utility model provides, by arranging the first knob 211 and the second knob 212 on modular catheter 21, first knob 211 rotates along the central shaft of catheter main body for controlling conduit pipe shaft, second knob 212 can the deflection of the section of deflection 23 for controlling conduit, and conduit has fixed bend and adjustable bending simultaneously, multiple bending can be realized according to clinical demand, therefore, can be regulated adjustable bending by joystick, also can make conduit pipe shaft centrally axle rotate freely, the arrival rate of conduit in renal artery ablation and the power that reclines can be increased, increase the success rate of operation, reduce time and the risk of operation.
Although this utility model discloses as above with preferred embodiment; so itself and be not used to limit this utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing a little amendment and perfect, therefore protection domain of the present utility model is when being as the criterion of defining with claims.
Claims (21)
1. a guiding catheter, is characterized in that, comprising:
Conduit pipe shaft, comprises conduit head end, conduit can the section of deflection, fixing curved segment and catheter main body, and
Modular catheter, is connected with described conduit pipe shaft;
Wherein, in described conduit pipe shaft, bracing wire is set, described modular catheter is provided with the first knob and the second knob, described first knob is connected with described conduit pipe shaft, rotate along the central shaft of described catheter main body for controlling described conduit pipe shaft, described second knob is connected with described bracing wire, can the deflection of the section of deflection for controlling described conduit.
2. guiding catheter as claimed in claim 1, it is characterized in that, described first knob is the cylinder of a hollow, and the outer surface of described cylindrical inner surface and described conduit pipe shaft interfixes.
3. guiding catheter as claimed in claim 1, it is characterized in that, female thread bar is provided with in described modular catheter, external thread rod, gear, first tooth bar and the second tooth bar, described second knob and described female thread bar are fixedly linked, described female thread bar has female thread, described external thread rod has external screw thread, described female thread is threaded with described external screw thread, described external thread rod and described first tooth bar are fixedly linked, described first tooth bar, gear engages successively with the second tooth bar and is connected, the quantity of described bracing wire is two, be separately fixed on described first tooth bar and the second tooth bar.
4. guiding catheter as claimed in claim 3, is characterized in that, described bracing wire is fixed on described first tooth bar and the second tooth bar by screw or be adhesively fixed.
5. guiding catheter as claimed in claim 1, is characterized in that, described conduit head end, conduit can the section of deflection, fixing curved segment, catheter main body be connected with modular catheter successively.
6. guiding catheter as claimed in claim 1, is characterized in that, described conduit head end, fixing curved segment, conduit can the section of deflection, catheter main body be connected with modular catheter successively.
7. guiding catheter as claimed in claim 1, it is characterized in that, described conduit head end material is polyethylene or PEBAX; Described conduit can the section of deflection, fixing curved segment is or/and the material of catheter main body is TPU, nylon or with metal knitted PEBAX.
8. guiding catheter as claimed in claim 5, is characterized in that, described conduit head end, conduit can the section of deflection, fixing curved segment and catheter main body be successively by weld or gluing mode is connected.
9. guiding catheter as claimed in claim 6, is characterized in that, described conduit head end, fixing curved segment, conduit can the section of deflection be connected by welding or gluing mode with catheter main body successively.
10. guiding catheter as claimed in claim 8 or 9, is characterized in that, described welding manner is hot air reflux welding, high-frequency welding or electric resistance welding.
11. guiding catheters as claimed in claim 1, it is characterized in that, described fixed bend segment length is 50-200mm, and can deflect segment length is 50-200mm, and catheter main body length is 300-400mm.
12. guiding catheters as claimed in claim 11, it is characterized in that, described fixed bend segment length is 100mm, and can deflect segment length is 100mm, and catheter main body length is 400mm.
13. guiding catheters as claimed in claim 1, it is characterized in that, the tail end of described modular catheter is provided with haemostatic valve, and described haemostatic valve communicates with the catheter tube of hollow.
14. guiding catheters as claimed in claim 1, it is characterized in that, the far-end of described conduit head end is tapered, and described conduit head end is provided with discharge orifice.
15. guiding catheters as claimed in claim 1, is characterized in that, described fixing curved segment and can the section of deflection comprise internal layer and skin, and described inner layer material is politef, FEP or PFA, and the thickness of internal layer is 0.02-0.5mm; Described cladding material is PEBAX, nylon, polyurethane or PE.
16. guiding catheters as claimed in claim 15, is characterized in that, sheathed developing ring outside the described internal layer of the described section of deflection, the far-end of described developing ring be positioned at fixing curved segment with can the boundary of the section of deflection.
17. guiding catheters as claimed in claim 16, it is characterized in that, be provided with stay thimble after described developing ring, two bracing wires are separately fixed at the both sides of described stay thimble.
18. guiding catheters as claimed in claim 17, is characterized in that, described bracing wire is cylinder silk, taper silk or flat filament, and described stayguy material is rustless steel or Nitinol.
19. guiding catheters as claimed in claim 17, it is characterized in that, be provided with stay wire tube between described skin and internal layer, described bracing wire is placed in described stay wire tube, and described stay wire tube symmetry is pasted on the outside of described internal layer.
20. guiding catheters as claimed in claim 19, is characterized in that, described stay wire tube is the PI pipe of PTFE tube or built-in pogo barrel.
21. guiding catheters as claimed in claim 17, it is characterized in that, the rear end of described stay thimble is provided with wire sheathing, described wire sheathing is woven by stainless steel silk or nitinol alloy wire and is formed, the diameter of described stainless steel silk or nitinol alloy wire is the density 15-100PPI of 0.01-0.1mm, described wire sheathing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362821.XU CN204708982U (en) | 2015-05-29 | 2015-05-29 | A kind of guiding catheter |
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| CN201520362821.XU CN204708982U (en) | 2015-05-29 | 2015-05-29 | A kind of guiding catheter |
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| CN204708982U true CN204708982U (en) | 2015-10-21 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105617509A (en) * | 2016-03-29 | 2016-06-01 | 中国人民解放军第二军医大学 | Adjustable single bent conduit |
| CN106264709A (en) * | 2015-05-29 | 2017-01-04 | 上海微创电生理医疗科技有限公司 | A kind of guiding catheter |
| CN107157571A (en) * | 2016-03-07 | 2017-09-15 | 四川锦江电子科技有限公司 | A kind of interpolar discharge ablating device |
| CN107157577A (en) * | 2016-03-07 | 2017-09-15 | 四川锦江电子科技有限公司 | A kind of large area discharge ablating device |
| CN107468378A (en) * | 2017-08-29 | 2017-12-15 | 王元 | Annulus prosthetic device and its application method |
| CN108066003A (en) * | 2017-12-29 | 2018-05-25 | 浙江归创医疗器械有限公司 | Ablation catheter |
| WO2023142428A1 (en) * | 2022-01-26 | 2023-08-03 | 上海鑫律通生命科技有限公司 | Splined basket ablation catheter capable of being bent bidirectionally |
-
2015
- 2015-05-29 CN CN201520362821.XU patent/CN204708982U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264709A (en) * | 2015-05-29 | 2017-01-04 | 上海微创电生理医疗科技有限公司 | A kind of guiding catheter |
| CN107157571A (en) * | 2016-03-07 | 2017-09-15 | 四川锦江电子科技有限公司 | A kind of interpolar discharge ablating device |
| CN107157577A (en) * | 2016-03-07 | 2017-09-15 | 四川锦江电子科技有限公司 | A kind of large area discharge ablating device |
| CN105617509A (en) * | 2016-03-29 | 2016-06-01 | 中国人民解放军第二军医大学 | Adjustable single bent conduit |
| CN107468378A (en) * | 2017-08-29 | 2017-12-15 | 王元 | Annulus prosthetic device and its application method |
| CN108066003A (en) * | 2017-12-29 | 2018-05-25 | 浙江归创医疗器械有限公司 | Ablation catheter |
| WO2023142428A1 (en) * | 2022-01-26 | 2023-08-03 | 上海鑫律通生命科技有限公司 | Splined basket ablation catheter capable of being bent bidirectionally |
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Address after: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane No. twenty-eighth 1-28 Patentee after: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. Address before: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane No. twenty-eighth 1-28 Patentee before: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. |
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Effective date of registration: 20220926 Address after: Room 301, 3rd Floor, Building 28, No. 1_28, Lane 588, Tianxiong Road, Pudong New Area, Shanghai, 201318 Patentee after: Shanghai Hongdian Medical Technology Co.,Ltd. Address before: 201318 twenty-eighth, 1-28 Lane 588, Tian Xiong Road, Zhou Pu town, Pudong New Area, Shanghai Patentee before: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. |