CN106137380B - A kind of modular catheter and the radio frequency ablation catheter using the handle - Google Patents
A kind of modular catheter and the radio frequency ablation catheter using the handle Download PDFInfo
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- CN106137380B CN106137380B CN201510144417.XA CN201510144417A CN106137380B CN 106137380 B CN106137380 B CN 106137380B CN 201510144417 A CN201510144417 A CN 201510144417A CN 106137380 B CN106137380 B CN 106137380B
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- bracing wire
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- 238000007674 radiofrequency ablation Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 239000012267 brine Substances 0.000 claims description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 230000002526 effect on cardiovascular system Effects 0.000 description 7
- 230000001012 protector Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 210000001217 buttock Anatomy 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- 238000003756 stirring Methods 0.000 description 1
- 238000013456 study Methods 0.000 description 1
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Abstract
The invention discloses a kind of modular catheter and using the radio frequency ablation catheter of the handle, the radio frequency ablation catheter includes that the conduit that is sequentially connected can curved segment, catheter main body section and modular catheter, the conduit can the top of curved segment be provided with tip electrode, it is provided with bracing wire in the conduit, is provided with handle casing in the modular catheter；Control bottom plate, the first rotating member, the second rotating member and the third driving member being set in the handle casing, wherein first rotating member is fixed on the control bottom plate, second rotating member is fixed on the third driving member, and first rotating member and second rotating member transmission cooperate；And bracing wire, it is movably arranged in the handle casing under the action of third driving member.It controls bottom plate and drives the rotation of the first driving member, and then drive the rotation of third driving member, realize catheter proximal end deflection；Stop screw, adjustable cam effective travel are set in the lower case of handle casing, and then realized asymmetric double curved.
Description
Technical field
The present invention relates to a kind of electrode for medical service conduit and its handle more particularly to a kind of modular catheter and using the handle
Radio frequency ablation catheter.
Background technique
Cardiovascular catheter has been widely used in medical practice at present, is mainly used for the cardiovascular each position of record
Electricity physiological signal electro photoluminescence and melt pathogenic tissue to angiocarpy, thus reach to cardiovascular disease mapping and
The purpose for the treatment of.Its application method punctures femoral vein blood vessel or jugular vein blood vessel first, under radioscopy, along lumen of vessels
Cardiovascular catheter is sent to cardiovascular different location, electrophysiologic study, mapping or RF ablation are carried out to angiocarpy.
In clinical application, to enable cardiovascular catheter more easily to reach tissue different parts, without continually grasping
The whole position of control, preferred bicoudate catheter, bicoudate catheter can two-way control it is curved, it is asymmetric double curved one without rotary guide pipe repeatedly
It is different size of curved there are two types of tools on root conduit, complex anatomy can be more coped with, and a conduit can be when two uses, more
It is economical；But the certain positions of the chambers of the heart are directed to, big curved conductor is needed, corresponding to cable travel should be very big；This designs hand handle and proposes
Higher requirement, on the basis of meeting function, should the curved power of hand handle control it is appropriate, stroke is big as far as possible again.Pass through two-way control bending of the hand
Two bracing wires of control tip electrode, so that conduit reaches double curved effects.
Therefore, it is highly desirable to provide and a kind of clinical controls that curved power is appropriate, structure is simple, control big stroke bidirectional with high accuracy
Asymmetric adjustable curved hand grip.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of modular catheter and using the handle radio frequency ablation catheter,
Can big stroke bidirectional asymmetry adjust conduit can curved segment, and clinical control that curved power is appropriate, structure is simple, control precision is high.
The present invention is to solve above-mentioned technical problem and the technical solution adopted is that provide a kind of modular catheter, comprising: handle
Shell；Control bottom plate, the first rotating member, the second rotating member and the third driving member being set in the handle casing, wherein institute
It states the first rotating member and is fixed on the control bottom plate, second rotating member is fixed on the third driving member, and described first turn
Moving part and second rotating member transmission cooperate；And bracing wire, it is movably arranged under the action of the third driving member
In the handle casing.
Further, the control bottom plate is plectrum, and first rotating member is first gear, and second rotating member is
Second gear, the third driving member are cam.
Further, the control bottom plate is driver plate, and first rotating member is the first friction pulley, second rotating member
For the second friction pulley, the third driving member is cam.
Further, the control bottom plate, first rotating member, second rotating member and the third driving member
Center of rotation is located on the same line.
Further, the control bottom plate is in the form of annular discs, and the two sides of the control bottom plate are provided with handle, grasps for user
Make.
It further, further include surely curved knob and fixing screws, in the rotation of the control bottom plate and first rotating member
Turn to be provided centrally with through-hole, the fixed curved knob is set to the upper housing of the handle casing, and one end of the fixing screws is solid
Due to the lower case of the handle casing, the other end passes through the through-hole, cooperates with the fixed curved knob thread.
Further, further include at least a pair of of stop screw, be provided with a pair of of spacing slotted eye on the control bottom plate, it is described
Spacing slotted eye is symmetrically disposed on the two sides of the rotation center of the control bottom plate, and the stop screw is removably disposed respectively
In in the spacing slotted eye.
Further, the control bottom plate and first driving member are integrally formed.
Further, second driving member and the third driving member are integrally formed.
Further, further include a pair of of bracing wire shelves column, be set on the handle casing, be located at the third transmission
The two sides of part.
It further, further include the first prompting portion, first prompting portion is set to the two sides of the third driving member,
In the rotation process of the third driving member, the third driving member is in contact with first prompting portion.
Further, first prompting portion is elastic slice.
Further, a pair of of bracing wire protector is also provided on the handle casing.
It further, further include the second prompting portion, second prompting portion is set to the front of the cam, when described
When cam is located at initial position, second prompting portion is in contact with the cam.
Further, second prompting portion is contact wheel, and the front of cam is set to by elastic component.
Further, further include shunting disk and smooth grommet, be set in turn in the distal portions of the modular catheter.
Another technical solution that the present invention uses to solve above-mentioned technical problem is to provide a kind of radio frequency ablation catheter, wraps
Include the conduit that is sequentially connected can curved segment, catheter main body section and modular catheter, the conduit can the top of curved segment be provided with tip electrode,
The bracing wire is provided in the conduit, wherein the modular catheter is above-mentioned modular catheter, and one end of the bracing wire is fixed
In the cam side, the other end of the bracing wire is fixed on the tip electrode.
Further, one end that the bracing wire is connected with the tip electrode is provided with stainless steel tube, the bracing wire with
Stainless steel tube is connected, and the stainless steel tube is connected with tip electrode.
Further, there are at least four chambers, wherein first intracavitary and the 4th intracavitary is equipped with the bracing wire in the conduit；
Second it is intracavitary be provided with Brine Pipe, for salt water to be perfused, third is intracavitary to be provided with conducting wire and temp.-sensing wire.
Further, the conduit can be provided with spring in curved segment, be coated with pogo barrel outside the spring.
Further, the conduit can the inner surface of multi-lumen tube of curved segment be provided with double braid silk.
The present invention compare the prior art have it is following the utility model has the advantages that modular catheter provided by the invention and using the handle
Radio frequency ablation catheter, by fixing a bracing wire third rotating member two sides are each, the first driving member and the transmission of the second driving member are matched
It closes, the second driving member is integrated with third driving member, wherein control bottom plate drives the rotation of the first driving member, and then third is driven to pass
Catheter proximal end deflection is realized in moving part rotation；Four stop screws are set especially in the lower case of hand handle shell, are limited by adjusting
Position screw position, limitation control bottom plate rotate angle, adjustable third driving member effective travel, and then realize asymmetric double
It is curved；Fixed curved knob is set on the upper housing of hand handle shell, by between the adjustable control bottom plate of surely curved knob and hand handle shell
Frictional force size realizes the fixed curved different elasticities of bracing wire, it is possible to provide doctor selects to use；The curved special bit of hand handle control is equipped with sound
It reminds, conduit is facilitated to manipulate conduit, design has the operative catheter of the handle to be easier to enter cardiovascular target site in the process, reach
To the purpose of more preferable RF ablation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the radio frequency ablation catheter in the embodiment of the present invention；
Fig. 2 (a) is the diagrammatic cross-section in Fig. 1 along A-A；Fig. 2 (b) is enlarged diagram at B in Fig. 1；
Fig. 3 is the modular catheter structural schematic diagram in the embodiment of the present invention；
Fig. 4 is the diagrammatic cross-section in Fig. 3 along C-C；
Fig. 5 is the structural schematic diagram of modular catheter lower casing in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram that bender structure is controlled in the embodiment of the present invention.
In figure:
1 modular catheter, 2 catheter main body section, 3 conduit can curved segment
4 ring electrode, 5 tip electrode, 6 stainless steel tube
7 Brine Pipe, 8 bracing wire, 9 temp.-sensing wire
10 tip electrode conducting wire, 11 ring electrode conducting wire, 12 multi-lumen tube
13 outer tube, 14 spring, 15 pogo barrel
The smooth grommet 18 of 16 shunting disk 17 controls bottom plate
19 fixed curved 20 buttock line socket of knob, 21 gear wheels
22 fixing screws, 23 pinion gear, 24 cam
25 cam, 26 stop screw, 27 spacing slotted eye
28 29 bracing wire protector of bracing wire shelves column, 30 elastic slice
31 handle, 32 first chamber, 33 second chamber
34 the 4th chamber of third chamber 35,36 through-hole
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the radio frequency ablation catheter in the embodiment of the present invention.
Referring to Figure 1, radio frequency ablation catheter provided by the invention includes modular catheter 1, catheter main body section 2, conduit bendable
Section 3, ring electrode 4 and tip electrode 5, modular catheter 1, catheter main body section 2 and conduit can curved segment 3 be sequentially connected and connect, tip electrode 5 is arranged
In conduit can curved segment 3 top, namely the distalmost end of entire radio frequency ablation catheter, multiple ring electrodes 4 are set in turn in conduit can
In curved segment 3.
Fig. 2 (a) is the diagrammatic cross-section in Fig. 1 along A-A；Fig. 2 (b) is enlarged diagram at B in Fig. 1.
Fig. 2 (a) is referred to, radio frequency ablation catheter provided by the invention is multi-lumen tube, has four chambers, wherein 32 He of the first chamber
Bracing wire 8 is equipped in 4th chamber 35；It is provided with Brine Pipe 7 in second chamber 33, Brine Pipe 7 can reach pair for salt water to be perfused
The effect that tip electrode 5 cools；Tip electrode conducting wire 10, ring electrode conducting wire 11 and temp.-sensing wire 9 are provided in third chamber 34；Temperature-sensitive
Line 9 is connected with the temperature sensor of 5 lower section of tip electrode, being capable of accurate detecting electrode temperature；Tip electrode conducting wire 10 and tip electrode 5
It is connected, ring electrode conducting wire 11 is connected with ring electrode 4, can extract electricity physiological signal；In the present embodiment, bracing wire 8 with
The connected one end of electrode is provided with stainless steel tube 6, and both bracing wire 8 and stainless steel tube 6 clearance fit are connected by electric resistance welding,
In addition stainless steel tube 6 is welded with tip electrode 5 by solder stick, thus realize bracing wire 8 one end connection tip electrode 5 and it is another
Connecting conduit handle 1 is held, by the control bender structure on control handle 1, realizes the bilateral deflection of the adjustable curved segment of conduit.
Refer to Fig. 2 (b), conduit can curved segment 3 include multi-lumen tube 12, spring 14 and pogo barrel 15；Wherein spring 14 is set
Setting can be at curved segment 3 in conduit, and bracing wire 8 plays the role of stress spread to bracing wire 8 by spring 14, spring 14, in addition pogo barrel
15 are coated on the outer surface of spring 14, play protection spring 14 and reduce the work to rub between spring 14 and multi-lumen tube 12, outer tube 13
With.In addition, conduit can the multi-cavity pipe internal surface of curved segment can be embedded to double braid silk (not shown), so that it is adjustable to effectively improve conduit
The recovery of curved segment and control are curved handling.Catheter main body section 2 includes outer tube 13, and multi-lumen tube is connected with outer tube 13, so that
Conduit can curved segment 3 be connected with catheter main body section 2.
Fig. 3 is the modular catheter structural schematic diagram in the embodiment of the present invention；Fig. 4 is the diagrammatic cross-section in Fig. 3 along C-C；
Fig. 5 is the structural schematic diagram of modular catheter lower casing in the embodiment of the present invention.
The control bender structure on control handle 1 in the present embodiment introduced below.Refer to Fig. 3 to Fig. 5, in the present embodiment,
Modular catheter 1 includes shunting disk 16, smooth grommet 17, plectrum 18 and fixed curved knob 19；Preferably, control bottom plate 18 is in disk
The two sides of shape, control bottom plate 18 are provided with handle 31, operate for user.The rotation center of control bottom plate 18 is provided with through-hole
36, fixing screws 22 are provided in through-hole 36, and fixed curved knob 19 corresponds to through-hole 36, is set to the upper housing of modular catheter 1
In groove, the lower case of modular catheter is fixed in 22 one end of fixing screws, the other end pass through control bottom plate 18 and with surely curved knob
19 threaded engagements are connected, i.e., the head end external screw thread of fixing screws 22 is connected with the internal screw thread (not shown) matching of fixed curved knob 19,
Therefore, by rotating fixed curved knob 19, thus it is possible to vary fixing screws 22 enter the depth of fixed curved knob 19, adjust control bottom plate 18
With lower casing frictional force size on handle, realize that bracing wire is fixed curved.
Shunting disk 16 shunts before entering hand handle to Brine Pipe 7, bracing wire 8, conducting wire 10, plays the role of protection to it and does not wind；
The distal end of modular catheter 1 is arranged in smooth grommet 17, and the lower section of shunting disk 16 is arranged in smooth grommet 17, and smooth grommet 17 has
Smooth material characteristic has protection 7 effect of Brine Pipe.
Fig. 4 is referred to, gear wheel 21, pinion gear 23 and cam 24 are provided in modular catheter 1, one end of bracing wire 8 is fixed
On cam 24 or 24 rear of cam, as long as can be driven in 24 rotary course of cam by cam 24, bracing wire 8 it is another
End is fixed on tip electrode 5.Gear wheel 21 is fixed on control bottom plate 18, and gear wheel 21 is connected with the engagement of pinion gear 23, small tooth
Wheel 23 is fixed on cam 24, it is preferable that gear wheel 21 and control bottom plate 18 are in integrally, and pinion gear 23 and cam 24 are in one.
The front of cam 24 is provided with contact wheel 25.Contact wheel 25 by elastic link or elastic piece be set to cam 24 just before
Side, when cam 24 is in rotation, when being restored to initial middle position, cam 24 is in contact with contact wheel 25, issues the sound, reminds
Restore initial position to patient's bracing wire.
Elastic slice 30 is additionally provided in modular catheter 1, preferably, two elastic slices 30 are respectively arranged at the two sides of cam 24,
In 24 rotation process of cam, when cam 24 goes to two side positions, cam 24 can be contacted with elastic slice, as 30 deformation quantity of elastic slice increases
Add, elastic slice 30 issues sound, and prompting gives patient's bracing wire control curved near extreme position, to improve the safety of operation.Modular catheter 1
Tail end be provided with buttock line socket 20.Stirring plectrum 18 drives gear wheel 21 to rotate, and gear wheel 21 is engaged with pinion gear 23, increases
Transmission ratio, pinion gear 23 are integrated with cam 24, to realize that cam 24 deflects, and then are deflected with the bracing wire of moving cam two sides,
By the engagement of big pinion gear and cam control bender structure, bracing wire effective travel is increased effectively, choosing of the doctor to big curved conductor is facilitated
It selects.
Fig. 5 is referred to, the two sides for controlling intermediate throughholes 36 on bottom plate 18 are symmetrically arranged with spacing slotted eye 27, spacing slotted eye 27
Inside it is provided with stop screw 26.Wherein stop screw 26 removably passes through the lower case or lower case of hand handle, is set to limit
In slot 27, by changing position of the stop screw 26 in spacing slotted eye 27, limitation control bottom can be interfered with this configuration
The position of plate 18, changes the rotation angle of control bottom plate 18, to achieve the purpose that two-way asymmetric control is curved.
Fig. 6 is the structural schematic diagram that bender structure is controlled in the embodiment of the present invention.
Refer to Fig. 6, handle control bender structure include bracing wire 8, gear wheel 21, pinion gear 23, cam 24, bracing wire shelves column 28,
Bracing wire protector 29 and elastic slice 30；Wherein bracing wire shelves column 28 is set on handle casing, positioned at the front of cam 24, bracing wire protection
Slot 29 is set on handle casing, positioned at the two sides of cam 24.When controlling curved, bracing wire shelves column 28 will be formed properly in bracing wire two sides
Angle cornerite, angle cornerite ranges preferably from 45 °~75 °, and a part of bracing wire returns in bracing wire protector 29, prevents bracing wire from beating
Folding.
In conclusion radio frequency ablation catheter provided in this embodiment, by fixing a bracing wire 8 24 two sides of cam are each,
Gear wheel 21 and pinion gear 23 engage, and pinion gear 23 is integrated with cam 24, and wherein plectrum 18 drives gear wheel 21 to rotate, in turn
Band moving cam 24 rotates, and realizes catheter proximal end deflection；There are four stop screws 26 on hand handle lower casing, by adjusting stop screw 26
Position, limitation plectrum rotates angle, adjustable cam effective travel, and then realizes asymmetric double curved；The setting of hand handle upper casing
Fixed curved knob 19 realizes bracing wire by adjusting frictional force size between the fixed adjustable plectrum 18 of curved knob 19 and hand handle shell
Fixed curved different elasticities, it is possible to provide doctor selects to use；In addition, the curved initial position and left and right terminal location of hand handle control has sound
Sound is reminded, and conduit is facilitated to manipulate conduit, design have be easier to during the operative catheter of the handle enter cardiovascular target site,
Achieve the purpose that more preferable RF ablation.In other embodiments, can also be substituted by other first driving members gear wheel, other
Second driving member substitutes pinion gear, for example, the first driving member and the second driving member are friction pulley, the first driving member is small tooth
Wheel, the second driving member are gear wheel, can all realize that the purpose of the present invention, the present invention are without limitation.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (21)
1. a kind of modular catheter characterized by comprising handle casing；It is set to control bottom plate in the handle casing,
One rotating member, the second rotating member and third driving member, wherein first rotating member is fixed on the control bottom plate, described second
Rotating member is fixed on the third driving member, and first rotating member and second rotating member transmission cooperate；And bracing wire,
It is movably arranged in the handle casing under the action of the third driving member, the third driving member is cam；
It further include at least a pair of of stop screw, by adjusting stop screw position, limitation control bottom plate rotates angle, and then adjusts
Third driving member effective travel is realized asymmetric double curved.
2. modular catheter as described in claim 1, which is characterized in that the control bottom plate is plectrum, first rotating member
For first gear, second rotating member is second gear.
3. modular catheter as described in claim 1, which is characterized in that the control bottom plate is driver plate, first rotating member
For the first friction pulley, second rotating member is the second friction pulley.
4. modular catheter as described in claim 1, which is characterized in that the control bottom plate, first rotating member, described
The center of rotation of two rotating members and the third driving member is located on the same line.
5. modular catheter as described in claim 1, which is characterized in that the control bottom plate is in the form of annular discs, the control bottom plate
Two sides be provided with handle, for user operate.
6. modular catheter as described in claim 1, which is characterized in that further include surely curved knob and fixing screws, in the control
The rotation center of bottom plate processed and first rotating member is provided with through-hole, and the fixed curved knob is set to the upper of the handle casing
The lower case of the handle casing is fixed in shell, one end of the fixing screws, and the other end passes through the through-hole, and described fixed
Curved knob thread cooperation.
7. modular catheter as described in claim 1, which is characterized in that it is provided with a pair of of spacing slotted eye on the control bottom plate,
The spacing slotted eye is symmetrically disposed on the two sides of the rotation center of the control bottom plate, and the stop screw difference is removably
It is set in the spacing slotted eye.
8. modular catheter as described in claim 1, which is characterized in that the control bottom plate and first rotating member are integrated
Molding.
9. modular catheter as described in claim 1, which is characterized in that second rotating member and the third driving member are one
It is body formed.
10. modular catheter as described in claim 1, which is characterized in that further include a pair of of bracing wire shelves column, be set to the handle
On shell, it is located at the two sides of the third driving member.
11. modular catheter as described in claim 1, which is characterized in that further include the first prompting portion, first prompting portion is set
The two sides of the third driving member are placed in, in the rotation process of the third driving member, the third driving member and described the
One prompting portion is in contact.
12. modular catheter as claimed in claim 11, which is characterized in that first prompting portion is elastic slice.
13. modular catheter as described in claim 1, which is characterized in that be also provided with a pair of of bracing wire on the handle casing and protect
Protecting groove.
14. modular catheter as described in claim 1, which is characterized in that further include the second prompting portion, second prompting portion is set
It is placed in the front of the cam, when the cam is located at initial position, second prompting portion is in contact with the cam.
15. modular catheter as claimed in claim 14, which is characterized in that second prompting portion is contact wheel, passes through elasticity
Part is set to the front of cam.
16. modular catheter described in claim 1, which is characterized in that further include shunting disk and smooth grommet, be set in turn in institute
State the distal portions of modular catheter.
17. a kind of radio frequency ablation catheter, including the conduit that is sequentially connected can curved segment, catheter main body section and modular catheter, it is described to lead
Pipe can the top of curved segment be provided with tip electrode, be provided with bracing wire in the conduit, which is characterized in that the modular catheter is right
It is required that the described in any item modular catheters of 1-16, one end of the bracing wire is fixed on the cam side, the bracing wire it is another
End is fixed on the tip electrode.
18. radio frequency ablation catheter as claimed in claim 17, which is characterized in that be connected in the bracing wire with the tip electrode
One end be provided with stainless steel tube, the bracing wire is connected with stainless steel tube, and the stainless steel tube is connected with tip electrode.
19. radio frequency ablation catheter as claimed in claim 17, which is characterized in that there are at least four chambers in the conduit, wherein
First is intracavitary and the 4th intracavitary is equipped with the bracing wire；Second it is intracavitary be provided with Brine Pipe, for salt water to be perfused, third is intracavitary to be set
It is equipped with conducting wire and temp.-sensing wire.
20. radio frequency ablation catheter as claimed in claim 17, which is characterized in that the conduit can be provided with spring in curved segment,
Pogo barrel is coated with outside the spring.
21. radio frequency ablation catheter as claimed in claim 17, which is characterized in that the conduit can curved segment multi-lumen tube interior table
Face is provided with double braid silk.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144417.XA CN106137380B (en) | 2015-03-30 | 2015-03-30 | A kind of modular catheter and the radio frequency ablation catheter using the handle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510144417.XA CN106137380B (en) | 2015-03-30 | 2015-03-30 | A kind of modular catheter and the radio frequency ablation catheter using the handle |
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| CN106137380A CN106137380A (en) | 2016-11-23 |
| CN106137380B true CN106137380B (en) | 2019-03-08 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110051430B (en) * | 2019-05-27 | 2024-07-19 | 海南省妇幼保健院 | Microwave ablation needle with water circulation |
| CN115517758B (en) * | 2022-06-08 | 2024-09-20 | 上海方润医疗科技股份有限公司 | Flexible ablation electrode |
| CN115462892A (en) * | 2022-09-26 | 2022-12-13 | 河南省斯高电生理研究院有限公司 | Electrode catheter used in electrophysiology instrument |
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| CN104427950A (en) * | 2012-03-02 | 2015-03-18 | 韦伯斯特生物官能(以色列)有限公司 | Catheter for the treatment of a trial flutter having single action dual deflection mechanism |
| CN103690139A (en) * | 2013-12-25 | 2014-04-02 | 龙刚 | Endoscope with angle adjusting function |
| CN204636529U (en) * | 2015-03-30 | 2015-09-16 | 上海微创电生理医疗科技有限公司 | A kind of modular catheter and adopt the radio frequency ablation catheter of this handle |
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| CN106137380A (en) | 2016-11-23 |
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