CN203970536U - A kind of catheter ablation device and radio frequency ablation catheter thereof - Google Patents
A kind of catheter ablation device and radio frequency ablation catheter thereof Download PDFInfo
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- CN203970536U CN203970536U CN201420253552.9U CN201420253552U CN203970536U CN 203970536 U CN203970536 U CN 203970536U CN 201420253552 U CN201420253552 U CN 201420253552U CN 203970536 U CN203970536 U CN 203970536U
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Abstract
This utility model relates to a kind ofly can form catheter ablation device and the radio frequency ablation catheter thereof that melts continuously kitchen range.This radio frequency ablation catheter comprises main body, extension and the circular segment being connected successively; And be arranged at the ring electrode in this circular segment, and this ring electrode has one and melts portion, and this melts portion and is formed on continuously in this circular segment.Radio frequency ablation catheter of the present utility model has continuous annular electrode, can significantly reducedly melt number of times and form continuous circumferential ablation kitchen range.
Description
Technical field
This utility model relates to medical apparatus and instruments, especially relates to a kind of catheter ablation device and radio frequency ablation catheter thereof.
Background technology
Radio frequency ablation catheter is a kind of electrophysiologicalcatheter catheter, and it is widely used in treating arrhythmia in recent years.In general, conduit comprises the mapping signal of telecommunication and two functions of radio-frequency (RF) ablation.Conduit enter intracardiac after, first the signal of telecommunication is carried out to mapping, determine the exciting point of abnormal path or abnormal electrical, afterwards these abnormal electrical signal paths are melted to isolation, thereby reach the object for the treatment of.
Atrial fibrillation is a kind of common arrhythmia, is that cardiac muscle has been lost normal and regular diastole campaign, and replaces quick and inharmonic faint wriggling, thereby make atrium lose normal contraction.1997, the genesis mechanism of the proposition atrial fibrillations such as cardiology professor meter Xie Erayisagaier was mainly the triggering from the fast electric excitement of pulmonary vein sleeve.Pulmonary vein is connected with the dissection in atrium method by radio-frequency (RF) ablation or conductivity relation is isolated, and can reach the object for the treatment of.
In traditional radiofrequency ablation therapy, the far-end of ablation catheter (being used for implementing one end of operation) is single electrode, melts the kitchen range that melts of rear generation point-like.As formed the linear kitchen range that melts, can only in the process melting, drag lentamente.Consider art cardiac continue beat, form effective linear ablation kitchen range very high to patient's requirement, and often can not form the continuous kitchen range that melts, thus cause isolation failure.
A kind of improved design is the mode that becomes multi-electrode to arrange the remote design of ablation catheter.These electrodes are typically spaced circlewise.When treatment, a plurality of electrodes melt orifices of pulmonary veins jointly, can obtain the kitchen range that melts of ring-type.The improvement of this structure has not only reduced the requirement to patient's operation, has also reduced the time of operation.But the arrangement of a plurality of electrodes exists certain problem, between electrode and electrode, have gap, and this gap do not produce in ablation procedure and melts kitchen range, patient needs steering nozzle repeatedly to melt, and just can reach and make to melt the continuous object of kitchen range.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of radio frequency ablation catheter, can not only form the continuous kitchen range that melts, and can reduce significantly the number of times melting.
This utility model is that to solve the problems of the technologies described above the technical scheme adopting be to propose a kind of radio frequency ablation catheter, comprises the main body, extension and the circular segment that are connected successively; And be arranged at the ring electrode in this circular segment, and this ring electrode has one and melts portion, and this melts portion and is formed on continuously in this circular segment.
In an embodiment of the present utility model, this circular segment has towards the bottom side of this extension with back to the top side of this extension, and this portion of melting is formed on this top side of this circular segment continuously.
In an embodiment of the present utility model, this circular segment has the sizing line of this circular segment of sizing, and the adjustable line that changes this circular segment circle footpath.
In an embodiment of the present utility model, have along the axially extended perfusion channel of conduit in this conduit, this perfusion channel passes to this circular segment, and this portion of melting has a plurality of through holes, and those through holes are communicated with this perfusion channel.
In an embodiment of the present utility model, this portion of melting comprises integrated ring center bar.
In an embodiment of the present utility model, this ring electrode also comprises along the spaced a plurality of fixed parts of this central bars, and this fixed part is the collar being placed on the outer wall of this circular segment.
In an embodiment of the present utility model, have the axially extended perfusion channel along conduit in this conduit, this perfusion channel passes to this circular segment, and this portion of melting has a plurality of through holes, and these through holes are communicated with this perfusion channel.
In an embodiment of the present utility model, these through holes are arranged in this central bars, or are arranged on a plurality of lugs that protrude from these central bars both sides.
In an embodiment of the present utility model, the length that each this lug extends around the excircle of this circular segment be not more than this circular segment girth 1/4.
In an embodiment of the present utility model, this portion of melting is spring-like.
In an embodiment of the present utility model, this circular segment has along the axially extended groove of this conduit, and this portion of melting is fixed in this groove.
In an embodiment of the present utility model, this circular segment has towards the bottom side of this extension with back to the top side of this extension, and this groove is formed on this top side of this circular segment.
In an embodiment of the present utility model, have along the axially extended perfusion channel of conduit in this conduit, this perfusion channel passes to this circular segment, and this groove is communicated with this perfusion channel.
This utility model also proposes a kind of catheter ablation device, comprise operating grip and radio frequency ablation catheter as above and, this main body of this radio frequency ablation catheter is arranged at this operating grip, on this operating grip, dispose rotary switch and push button, this rotary switch is all connected with this radio frequency ablation catheter with this push button, this rotary switch is for controlling the annular ring footpath of this circular segment, and this push button is for controlling the deflection of this ablation catheter.
This utility model, owing to adopting above technical scheme, makes it compared with prior art, has following remarkable advantage:
1,, because radio frequency ablation catheter of the present utility model has continuous annular electrode, the available significantly reduced number of times that melts forms continuous circumferential ablation kitchen range.
2, on the ablation operation face of the circular segment that annular electrode is arranged in to conduit due to radio frequency ablation catheter of the present utility model away from extension, while having guaranteed ablation operation, annular electrode and orifices of pulmonary veins tissue around fully contacts, make ablation operation more effective, reduce and melt number of times.
Accompanying drawing explanation
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated, wherein:
Fig. 1 illustrates the catheter ablation device schematic diagram with radio frequency ablation catheter.
Fig. 2 A illustrates the circular segment schematic diagram of the radio frequency ablation catheter of this utility model one embodiment.
Fig. 2 B illustrates the top view of the circular segment of conduit shown in Fig. 2 A.
Fig. 2 C illustrates the left view of the circular segment of conduit shown in Fig. 2 A.
Fig. 3 A illustrates the partial structurtes axonometric chart of the ring electrode of this utility model one embodiment.
Fig. 3 B illustrates the top view of the ring electrode of this utility model one embodiment.
Fig. 3 C illustrates the front view of the ring electrode of this utility model one embodiment.
Fig. 3 D illustrates the left view of the ring electrode of this utility model one embodiment.
Fig. 3 E illustrates the top view of the ring electrode of another embodiment of this utility model.
Fig. 4 A is the A-A profile of Fig. 2 A.
Fig. 4 B is the B-B profile of Fig. 2 A.
Fig. 5 A is the circular segment schematic diagram of the radio frequency ablation catheter of another embodiment of this utility model.
Fig. 5 B is the C-C profile of Fig. 5 A.
Fig. 6 A is that the radio frequency ablation catheter of this utility model embodiment enters left atrium and melts schematic diagram.
Fig. 6 B is the kitchen range that melts of the continuous ring-type that forms at orifices of pulmonary veins of the radio frequency ablation catheter of this utility model embodiment.
The specific embodiment
With reference now to accompanying drawing, describe theme required for protection, all in accompanying drawing, with identical reference number, referring to identical element.In the following description, for the purpose of explaining, stated that numerous details are to provide the complete understanding to theme required for protection.Yet, it is evident that, these themes also can not adopt these details to implement.
Embodiment of the present utility model will describe a kind of catheter ablation device and radio frequency ablation catheter thereof, and it can, with the number of times that melts seldom, form the continuous kitchen range that melts.
Fig. 1 illustrates the catheter ablation device of the present embodiment and the schematic diagram of radio frequency ablation catheter thereof.Shown in figure 1, catheter ablation device 100 has radiofrequency melting instrument 110, buttock line 120, operating grip 130, intrusion pipe 140 and ablation catheter 150.Radiofrequency melting instrument 110 is connected to operating grip 130 by buttock line 120, to provide energy by operating grip 130 to the electrode on ablation catheter 150.Intrusion pipe 140 is also connected to operating grip 130, by operating grip 130, to ablation catheter 150 far-ends, provides infusion liquid, gives electrode perfusion when melting.In addition, ablation catheter 150 is connected to operating grip 130, and carries out ablative surgery under the operation of operating grip 130.On operating grip 130, dispose rotary switch 131 and push button 132, they connect ablation catheter 150 separately to carry out action required.
Continuation is with reference to shown in figure 1, and ablation catheter 150 comprises main body 151, extension 152, circular segment 153 and ring electrode 154.Main body 151 one end are connected to operating grip 130, and the other end connects extension 152.In extension, 152 end connects circular segment 153.Like this, main body 151, extension 152 are connected successively with circular segment, form one section of complete conduit.Ring electrode 154 is arranged in circular segment 153.
In embodiment of the present utility model, ablation catheter 150 is generally made by polyurethane material, but also can be made by other thermoplasticity materials, for example PEBAX.The caliber of ablation catheter 150 does not have particular requirement, but is generally no more than 8Fr (3Fr=1mm).
Fig. 2 A is the circular segment schematic diagram of the radio frequency ablation catheter of this utility model one embodiment.Fig. 2 B illustrates the top view of the circular segment of radio frequency ablation catheter shown in Fig. 2 A.Fig. 2 C illustrates the left view of the circular segment of conduit shown in Fig. 2 A.Shown in figure 2A-2C, circular segment 153 is approximate rounded, but is not complete closure, but becomes substantially closed shape by distal end of catheter natural torsion.Extension 152 is to be connected with circular segment 153 from a side of circular segment 153.In this case for the purpose of difference, towards extension, a side of 152 is bottom side 153a to definition circular segment 153, and a side of 152 is top side 153b back to extension.Inner side 153c and outside 153d by circular segment 153 between bottom side 153a and top side 153b separate.On the 153b of the top side of this circular segment 153, form continuously the 154a of the portion of melting of ring electrode 154, as shown in Figure 2 B.This melts the 154a of portion for forming the continuous kitchen range that melts when the ablation operation.As shown in Figure 2 C, the top side 153b of circular segment 153 is substantially at same plane.This makes the 154a of the portion of melting forming along top side 153b also substantially at same plane.
In the present embodiment, ring electrode 154 also has the fixed part 154b being connected with the portion 154a of melting, and the collar that it is designed to be placed on the outer wall of this circular segment, is fixed on circular segment thereby will melt the 154a of portion.
The annular ring footpath of circular segment 153 can regulate.This can control by the rotary switch 131 on operating grip 130.In one embodiment, the adjustable extent in circle footpath is at 10-50mm.This circular segment 153 can have sizing line for the circular segment of shaping to possess sizing characteristic, and has the characteristic that possesses adjusting ring footpath and change shape for changing the adjustable line in circular segment circle footpath.
Extension 152 is preferably flexible, so that conduit 150 can deflect, adapts to melting of diverse location orifices of pulmonary veins.At this, the push button 132 on operating grip 130 can be used to control the deflection of conduit.
Fig. 3 A-3D is the ring electrode structure of this utility model one embodiment.Wherein, Fig. 3 A illustrates the partial structurtes axonometric chart of the ring electrode of this utility model one embodiment, Fig. 3 B illustrates the top view of the ring electrode of this utility model one embodiment, Fig. 3 C illustrates the front view of the ring electrode of this utility model one embodiment, and Fig. 3 D illustrates the left view of the ring electrode of this utility model one embodiment.Shown in figure 3A-3D, the ring electrode 154 of the present embodiment mainly comprises central bars 1541, a plurality of collar 1542, a plurality of lug 1543 and a plurality of through hole 1544.Central bars 1541 forms the main body that ring electrode 150 extends continuously, is also the main body of the 154a of the portion of melting of ring electrode 154.The length of central bars 1541 and it will be fixing the circle footpath of circular segment 153 of conduit match.
In the present embodiment, melt the lug 1543 that the 154a of portion also comprises a plurality of strips that arrange along central bars 1541 both sides.These lugs 1543 are spaced along central bars 1541.Lug 1543 is around the outer wall circumferential extension segment distance of conduit.These through holes 1544 are arranged on some or all of lug 1543 accordingly.Through hole 1544 can be evenly distributed on lug 1543 both sides.Through hole 1544 is communicated with the perfusion channel in the conduit being described further below, and its effect is when melting, to spray infusion liquid, for ring electrode 154 is implemented cooling.
In another embodiment of the ring electrode shown in Fig. 3 E, through hole 1544 also can be arranged on lug, but is set directly in central bars 1541.When the width of central bars 1541 is narrower, discoid lug 1543a can be set in the position that through hole 1544 is set, to guarantee that the intensity of central bars 1541 is not subject to obvious weakening because through hole 1544 is set.Now through hole 1544 can be positioned at the center of lug 1543a, on the axis of central bars 1541.
For central bars 1541 being fixed in the circular segment 153 of conduit, the present embodiment is used a plurality of collars 1542 as fixed part 154b.These collars 1542 are spaced along central bars 1541, and its dense arrangement degree is less than lug, and the outer tube wall diameter of the diameter of each collar 1542 and circular segment 153 matches, to be sheathed on the outer tube wall of circular segment 153.Be appreciated that fixed part can also be other form, for example, with mosaic mode, be located at the nest plate on the outer tube wall of circular segment 153.
Be appreciated that its part near central bars 1541 also has ablation concurrently because the collar 1542 is from central bars 1541s, thereby can be counted as melting a part of the 154a of portion.
In embodiment of the present utility model, the material of ring electrode 154 can be platinumiridio, can be also rustless steel.Preferably, ring electrode 154 is made by cut, integrally formed.The circle footpath of the length of central bars 1541 and conduit circular segment 153 matches, and the scope of length can be 25-150mm.
It is worthy of note, test data shows that the surface area of ring electrode 154 is relevant to ablation effect, and surface area causes greatly blood contacting surface long-pending large, causes the decline of overall impedance, weakens the effect melting; And surface area is little, little with the contact area of tissue, melt kitchen range area and reduce, isolation effect is poor.Therefore, embodiment of the present utility model has preferred design to the surface area of ring electrode 154.Specifically, the width (circumferencial direction) of the central bars 1541 of ring electrode can, in 0.1-1mm scope, be preferably 0.3mm.The quantity of the collar 1542 in central bars 1541 is 5-10, and the width of the collar (axially) is 0.1-1mm scope, is preferably 0.1mm.
The quantity of strip or discoid lug 1543 or 1543a is 5-10, is preferably 5.The length that each lug 1543 or 1543a extend around the excircle of circular segment 153 be not more than this circular segment 153 girth 1/4, the area contacting with blood to reduce ring electrode 154.More preferably, the length of lug (circumferencial direction) is only slightly larger than the width of central bars 1541, is preferably 0.4mm.
Be arranged on the diameter of the through hole on the lug 1543 of strip between 0.05-0.2mm, be preferably 0.1mm.The diameter that is arranged on the through hole in central bars 1541 is preferably 0.05mm.
Through above-mentioned design, the surface area of central bars 1541, the lug 1543 contacting with tissue is still larger, and can touch blood position only have a collar, its surface area is controlled, thereby this design neither can cause that impedance declines and weakens ablation effect, can not reduce to melt kitchen range area yet and affect isolation effect.
Radio frequency ablation catheter 150 can be single lumen catheter, but preferably multi-lumen tube to distinguish the function of various piece.Radio frequency ablation catheter 150 is structure shown in Fig. 4 A and 4B more preferably.Fig. 4 A is the A-A profile of Fig. 2 A.Fig. 4 B is the B-B profile of Fig. 2 A.In radio frequency ablation catheter 150, be provided with the first chamber 1501, the second chamber 1502, the 3rd chamber 1504 and the 4th chamber 1506.The first chamber 1501 is perfusion channel, the interior laying temperature sensor 1507 of interior placement sizing line interior placement adjustable line 1505, the four chamber 1506 of 1503, the three chamber 1504 of the second chamber 1502, temperature sensor electric wire 1508 and electrode cable 1509.Rotary switch 131 shown in Fig. 1 is connected with adjustable line 1505, for controlling adjustable line 1505, and then the circle footpath of adjustment circular segment 153, the push button 132 shown in Fig. 1 is connected with sizing line 1503, controls the deflection of described ablation catheter.
Above-mentioned the first chamber 1501, the second chamber 1502, the 3rd chamber 1504 and the 4th chamber 1506 all extend axially along conduit, and connect whole conduit, comprise circular segment.
The material of the sizing line 1503 in the second chamber 1502 is generally titanium-nickel wire.As previously mentioned, sizing line 1503 can allow conduit 150 possess sizing characteristic.1505 of adjustable lines can allow conduit 150 possess adjusting ring footpath and change the characteristic of shape.
Below each collar 1542 of ring electrode 154, be all placed with temperature sensor 1507, be used for the variation of electrode temperature in sensing ablation procedure, have n electrode to place n temperature sensor.In embodiment, be so 5 collars, have 5 temperature sensors.For example, when the temperature of any one temperature sensor 1507 sensing surpasses temperature threshold (65 degree), radiofrequency melting instrument 110 stops electrode 154 conveying capacities.In conduit part below being positioned at each collar 1542, offer through hole, through hole is communicated with the 4th chamber 1506.Temperature sensor 1507 is placed in these through holes, then uses glue 1510, and for example epoxide-resin glue or polyurethane resin (PU) glue is fixed on temperature sensor 1507 in through hole.
Fig. 5 A is the circular segment schematic diagram of the radio frequency ablation catheter of another embodiment of this utility model.Fig. 5 B is the C-C profile of Fig. 5 A.Shown in figure 5A and Fig. 5 B, different from last embodiment, the ring electrode 254 of the present embodiment only has the portion of melting, and the portion of melting is reduced to the spring of a ring-type.The material of this ring electrode 254 can be platinumiridio or rustless steel.
For fear of higher surface area, the diameter of ring electrode 254 is no more than 1mm, is preferably 0.2mm.
Identical with last embodiment, the circular segment 253 of conduit has bottom side (not label) towards extension and back to the top side 253b of extension.Different, at top side 253b, have one along the axially extended groove 2508 of conduit, this ring electrode 254 is fixed in this groove 2508.
In the present embodiment, groove 2508 can be pressed with high-frequency apparatus, also can adopt extrusion molding directly to extrude and be with reeded tubing.Ring electrode 254 can be used glue, and for example epoxide-resin glue or polyurethane resin (PU) glue is fixed.
In conduit, be provided with the first chamber 2501, the second chamber 2502, the 3rd chamber 2504 and the 4th chamber 2506.The first chamber 2501 is perfusion channel, this perfusion channel is connected with groove 2508, so that provide infusion liquid to ring electrode 254, the interior placement sizing of the second chamber 2502 line 2503, the interior electrodes wire 2507 of interior placement adjustable line 2505, the four chamber 2506 of the 3rd chamber 2504.Different from last embodiment, because groundwater increment is larger, safer in this embodiment, therefore do not settle temperature sensor.
During treatment atrial fibrillation, conventionally need to isolate the pulmonary vein on left room, to dissecting the [Dan ostium venosum cordis in upper left room, melt.Fig. 6 A is that ablation catheter enters the schematic diagram that the enforcement of left room is melted, and ablation catheter 150 enters left room under the guiding of guiding sheath 610, and to orifices of pulmonary veins, PV melts.When melting, the top side of conduit circular segment (shown in figure 2B) can contact orifices of pulmonary veins tissue around.When radiofrequency melting instrument is energized (for instance, energy work rate is 30-60W), what the portion of melting of ring electrode 154 can around produce continuous annular at orifices of pulmonary veins melts kitchen range 620 (shown in figure 6B), has implemented isolation.It should be noted that, owing in embodiment of the present utility model, the portion of melting of ablation catheter being arranged on to circular segment on the top side of extension, and select to orifices of pulmonary veins around but not pulmonary vein inside pipe wall operate, can when melting, allow the portion of melting fully contact orifices of pulmonary veins tissue surface around in the mode of plane substantially, this makes ablation operation more effective, reduces and melts number of times.
The described radio frequency ablation catheter of above-described embodiment of the present utility model is compared existing conduit following technique effect:
1, the radio frequency ablation catheter due to this utility model embodiment has continuous annular electrode, and the available significantly reduced number of times that melts forms continuous circumferential ablation kitchen range.
2, the circular segment that the portion of melting of annular electrode is arranged in to conduit due to the radio frequency ablation catheter of this utility model embodiment is on the top side of extension, while having guaranteed ablation operation, annular electrode and orifices of pulmonary veins tissue around fully contacts, make ablation operation more effective, reduce and melt number of times.
3, in the radio frequency ablation catheter due to this utility model embodiment, annular electrode and blood contacting surface are long-pending little and large with the contact area of tissue, make when guaranteeing ablation effect, have maintained the larger kitchen range area that melts.
Although this utility model is described with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is only for this utility model is described, in the situation that not departing from this utility model spirit, also can make variation or the replacement of various equivalences, therefore, as long as the variation of above-described embodiment, modification all will be dropped in the application's the scope of claims within the scope of connotation of the present utility model.
Claims (14)
1. a radio frequency ablation catheter, is characterized in that, comprising:
The main body being connected successively, extension and circular segment; And
Be arranged at the ring electrode in this circular segment, this ring electrode has the portion of melting, and this melts portion and is formed on continuously in this circular segment.
2. radio frequency ablation catheter as claimed in claim 1, is characterized in that, this circular segment has towards the bottom side of this extension with back to the top side of this extension, and this portion of melting is formed on this top side of this circular segment continuously.
3. radio frequency ablation catheter as claimed in claim 2, is characterized in that, this circular segment has the sizing line of this circular segment of sizing, and the adjustable line that changes this circular segment circle footpath.
4. radio frequency ablation catheter as claimed in claim 2, is characterized in that, has the axially extended perfusion channel along conduit in this conduit, and this perfusion channel passes to this circular segment, and this portion of melting has a plurality of through holes, and those through holes are communicated with this perfusion channel.
5. radio frequency ablation catheter as claimed in claim 1, is characterized in that, this portion of melting comprises integrated ring center bar.
6. radio frequency ablation catheter as claimed in claim 5, is characterized in that, this ring electrode also comprises along the spaced a plurality of fixed parts of this central bars, and this fixed part is the collar being placed on the outer wall of this circular segment.
7. radio frequency ablation catheter as claimed in claim 5, is characterized in that, has the axially extended perfusion channel along conduit in this conduit, and this perfusion channel passes to this circular segment, and this portion of melting has a plurality of through holes, and these through holes are communicated with this perfusion channel.
8. radio frequency ablation catheter as claimed in claim 7, is characterized in that, those through holes are arranged in this central bars, or is arranged on a plurality of lugs that protrude from these central bars both sides.
9. radio frequency ablation catheter as claimed in claim 8, is characterized in that, the length that each this lug extends around the excircle of this circular segment be not more than this circular segment girth 1/4.
10. radio frequency ablation catheter as claimed in claim 1, is characterized in that, this portion of melting is spring-like.
11. radio frequency ablation catheters as claimed in claim 10, is characterized in that, this circular segment has along the axially extended groove of this conduit, and this portion of melting is fixed in this groove.
12. radio frequency ablation catheters as claimed in claim 11, is characterized in that, this circular segment has towards the bottom side of this extension with back to the top side of this extension, and this groove is formed on this top side of this circular segment.
13. radio frequency ablation catheters as claimed in claim 12, is characterized in that, have along the axially extended perfusion channel of conduit in this conduit, and this perfusion channel passes to this circular segment, and this groove is communicated with this perfusion channel.
14. 1 kinds of catheter ablation devices, it is characterized in that, comprise operating grip and the radio frequency ablation catheter as described in any one in claim 1-13, this main body of this radio frequency ablation catheter is arranged at this operating grip, on this operating grip, dispose rotary switch and push button, this rotary switch is all connected with this radio frequency ablation catheter with this push button, and this rotary switch is for controlling the annular ring footpath of this circular segment, and this push button is for controlling the deflection of this ablation catheter.
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| CN201420253552.9U CN203970536U (en) | 2014-05-16 | 2014-05-16 | A kind of catheter ablation device and radio frequency ablation catheter thereof |
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| CN201420253552.9U CN203970536U (en) | 2014-05-16 | 2014-05-16 | A kind of catheter ablation device and radio frequency ablation catheter thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103989521A (en) * | 2014-05-16 | 2014-08-20 | 上海微创电生理医疗科技有限公司 | Catheter ablation device and radiofrequency ablation catheter of catheter ablation device |
| CN106510836A (en) * | 2015-09-10 | 2017-03-22 | 上海微创电生理医疗科技有限公司 | Electrical physiological catheter handle and electrical physiological catheter |
| CN106901716A (en) * | 2015-10-13 | 2017-06-30 | 韦伯斯特生物官能(以色列)有限公司 | Set cable guide pipe with removable ablation ridge |
| CN108882957A (en) * | 2016-02-10 | 2018-11-23 | 埃米尔·丹尼尔·贝尔森 | Personalized auricular fibrillation ablation |
-
2014
- 2014-05-16 CN CN201420253552.9U patent/CN203970536U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103989521A (en) * | 2014-05-16 | 2014-08-20 | 上海微创电生理医疗科技有限公司 | Catheter ablation device and radiofrequency ablation catheter of catheter ablation device |
| CN103989521B (en) * | 2014-05-16 | 2017-11-17 | 上海微创电生理医疗科技有限公司 | A kind of catheter ablation device and its radio frequency ablation catheter |
| CN106510836A (en) * | 2015-09-10 | 2017-03-22 | 上海微创电生理医疗科技有限公司 | Electrical physiological catheter handle and electrical physiological catheter |
| CN106901716A (en) * | 2015-10-13 | 2017-06-30 | 韦伯斯特生物官能(以色列)有限公司 | Set cable guide pipe with removable ablation ridge |
| CN106901716B (en) * | 2015-10-13 | 2021-07-06 | 韦伯斯特生物官能(以色列)有限公司 | Lasso catheter with movable ablation spine |
| CN108882957A (en) * | 2016-02-10 | 2018-11-23 | 埃米尔·丹尼尔·贝尔森 | Personalized auricular fibrillation ablation |
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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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