CN109498151A - A kind of multistage curved electrophysiologicalcatheter catheter of tune - Google Patents
A kind of multistage curved electrophysiologicalcatheter catheter of tune Download PDFInfo
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- CN109498151A CN109498151A CN201910009254.2A CN201910009254A CN109498151A CN 109498151 A CN109498151 A CN 109498151A CN 201910009254 A CN201910009254 A CN 201910009254A CN 109498151 A CN109498151 A CN 109498151A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
- A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1407—Loop
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Abstract
A kind of multistage curved electrophysiologicalcatheter catheter of tune of the application, including the adjustable curved segment of the first order, curved segment that the second level is adjustable, handle, first bracing wire, second bracing wire, multiple conducting wires, the adjustable curved segment of the first order includes first pipe, the tip electrode of first pipe distal end is set, along the channel that the length direction of first pipe is arranged there are two being set in the first pipe, curved segment that the second level is adjustable includes the second pipe that distal end is connected with the proximal end of first pipe, there are three the channels that the length direction along second pipe is arranged for setting in the second pipe, it is connected there are two channel with two channels of the first pipe in three channels in the second pipe, at least one ring electrode is respectively arranged on the outer wall of the first pipe and second pipe.A kind of multistage curved electrophysiologicalcatheter catheter of tune of the application, all cardiac structures is adapted to a kind of conduit of specification, so that operation becomes more convenient.
Description
Technical field
This application involves a kind of technical fields of medical catheter, and in particular to one kind is for used in arrhythmia cordis operation
Mapping/ablation catheter.
Background technique
Electrophysiologicalcatheter catheter be used for stimulate/mapping heart in bioelectrical activity, and to lesions position carry out RF ablation, example
If room speed is a kind of common arrhythmia cordis, first Electrophysiological mapping conduit is used to detect atrium, to find lesion
Position, then carries out RF ablation to diseased region with electro physiology radio frequency ablation catheter, and diseased region is made to turn back disappearance.
Occur the conduit of head end adjustable bending in electrophysiologicalcatheter catheter already, distal end of catheter can be made by control handle repeatedly
Be bent between different angle, to adapt in the form of different Physiological Anatomy.But existing adjustable bent catheter is all single
Single hop adjustable bending, therefore because cardiac structure size or morphological differences need the adjustable bent catheter of different bendings, if doctor selects
Conduit bending it is improper also need to replace other specifications again, cause instrument waste and multiple wound is caused to sufferer.
Summary of the invention
To overcome the shortcomings of existing technologies, the application provides a kind of multistage curved electrophysiologicalcatheter catheter of tune.
The application it is a kind of it is multistage adjust curved electrophysiologicalcatheter catheter, the conduit includes that the adjustable curved segment of the first order, the second level can
Adjust curved segment, handle, the first bracing wire, the second bracing wire, multiple conducting wires, the adjustable curved segment of the first order include first pipe, setting exist
The tip electrode of first pipe distal end is set in the first pipe there are two the channel that the length direction along first pipe is arranged,
Curved segment that the second level is adjustable includes the second pipe that is connected with the proximal end of first pipe of distal end, in the second pipe
There are two logical along three channels in the channel that the length direction of second pipe is arranged, the second pipe there are three being arranged
Road is connected with two channels of the first pipe, is respectively arranged on the outer wall of the first pipe and second pipe
At least one ring electrode, the ring electrode and the tip electrode are connected separately with a conducting wire, and the two of the first pipe
A channel supplies the first bracing wire and conducting wire to pass through respectively, and the distal end of first bracing wire is connected to the tip electrode, described
Three channels of second pipe supply the first bracing wire, the second bracing wire and conducting wire to pass through respectively, distal end and the institute of second bracing wire
The distal end for the second pipe stated is connected, and the handle is located at the distal side of the second pipe, the handle setting
Have for pulling the first bracing wire operating device of the first bracing wire, the second bracing wire operating device for pulling the second bracing wire, it is described
The proximal end of conducting wire be connected to the handle.
Preferably, the conduit further includes that the adjustable curved segment of the third level, the fourth stage is adjustable curved segment, third bracing wire and the 4th are drawn
Line, curved segment that the third level is adjustable include the third pipeline that distal end is connected with the proximal end of second pipe, the third pipe
Have three along four channels in the channel of the length direction setting of third pipeline, the third pipeline there are four being arranged in road
A channel is connected with three channels of the second pipe, and curved segment that the fourth stage is adjustable includes distal end and third pipeline
The 4th pipeline that is connected of proximal end do not have setting in the 4th pipeline of no matter what one says to be arranged there are five the length direction along the 4th pipeline
Channel is connected in five channels in the 4th pipeline with four channels of the third pipeline there are four channel,
It is respectively arranged at least one ring electrode on the outer wall of the third pipeline and the 4th pipeline, third pipeline and the 4th pipeline
Ring electrode is connected separately with a conducting wire, and four channels in the third pipeline supply the first bracing wire, the second bracing wire, third respectively
Bracing wire and conducting wire pass through, and the described third bracing wire distal end is connected to the distal end of the third pipeline, in the 4th pipeline
Five channels supply the first bracing wire, the second bracing wire, third bracing wire, the 4th bracing wire and conducting wire to pass through respectively, the 4th bracing wire
Distal end be connected to the distal end of the 4th bracing wire, the handle is set to the distal side of the 4th pipeline, described
It further include for pulling the third bracing wire operating device of the third bracing wire, for pulling the 4th of the 4th bracing wire the to draw on handle
Line operating device.
Preferably, second bracing wire is connected to the distal end of the second pipe, institute by the first metal connecting tube
The distal end for the second pipe stated offers one first stepped bore, and first metal connecting tube is connected in first rank
In trapezoidal hole, the third bracing wire is connected to the distal end of the third pipeline by the second metal connecting tube, and described the
The distal end of three pipelines offers one second stepped bore, and second metal connecting tube is connected in second stepped bore
Interior, the 4th bracing wire is connected to the distal end of the 4th pipeline, the 4th pipeline by third metal connecting tube
Distal end offer a third stepped bore, the third metal connecting tube is connected in the third stepped bore.
Preferably, pass through the first bracing wire that tin-lead weldering connection is described, the first bracing wire NiTi or stainless in tip electrode
Steel material is made, and the conducting wire is connected in tip electrode by tin-lead weldering.
Preferably, between the tip electrode and first pipe, between first pipe and second pipe, second pipe and
Gluing or hot weld are used between three pipelines.
Preferably, the conduit further includes a main body tube, the distal end of the main body tube and the 4th pipeline
Proximal end is connected, and the proximal end of the main body tube is connected with the handle, and the main body tube is used to supply described first
Bracing wire, the second bracing wire, third bracing wire, the 4th bracing wire and conducting wire pass through.
Preferably, the first pipe, second pipe, third pipeline, the 4th pipeline and main body tube are nonmetallic materials
It is made, hardness becomes larger step by step.
Preferably, confession is respectively arranged on the side wall of the first pipe, second pipe, third pipeline and the 4th pipeline
The fixed form in the hole that conducting wire passes through, the ring electrode can be forging and stamping or gluing.
Preferably, the first bracing wire operating device, the second bracing wire operating device, third bracing wire operating device and the 4th
Bracing wire operating device includes crossbeam, the sliding block, screw being arranged along the length direction of handle, offers one on the crossbeam
The sliding slot extended along its length, the sliding slot run through the surface of the crossbeam up and down, and the sliding block is inserted from top to bottom
Enter in the sliding slot, the screw is inserted into from bottom to up in the sliding slot, the upper end of the screw and the cunning
The lower thread of block connects, and the handle includes a shell, offers a sliding slot on the shell, the sliding block passes through
The sliding slot.
Preferably, a rubber pad is also equipped between the screw and crossbeam.
A kind of multistage curved electrophysiologicalcatheter catheter of tune of the application, all cardiac structures are adapted to a kind of conduit of specification, with
Operation is set to become more convenient, simultaneously because conduit multistage can be adjusted and curved keep the conduit performance that reclines more preferable.
Detailed description of the invention
Fig. 1 is a kind of multistage curved electrophysiologicalcatheter catheter schematic diagram of tune of the invention.
Fig. 2 is first order adjustable bending structural schematic diagram as shown in Figure 1.
Fig. 3 is second level adjustable bending structural schematic diagram as shown in Figure 1.
Fig. 4 is third level adjustable bending structural schematic diagram as shown in Figure 1.
Fig. 5 is fourth stage adjustable bending structural schematic diagram as shown in Figure 1.
Fig. 6 is handle arrangement schematic diagram as shown in Figure 1.
Wherein: 1, tip electrode；2, ring electrode；3, double lumen tube；4, three lumen；5, four lumen；6, five-tubed catheter；7, main body tube；
8, handle；
9, conducting wire；10, the first bracing wire；12, the second bracing wire；14, third bracing wire；16, the 4th bracing wire；
11, the first metal connecting tube；13, the second metal connecting tube；15, third metal connecting tube；
17, sliding block；18, rubber pad；19, screw.
Specific embodiment
The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.
As shown in Figure 1, a kind of multistage curved electrophysiologicalcatheter catheter of tune of the application, the conduit includes first order adjustable bending
Section, the second level is adjustable curved segment, handle 8, the first bracing wire 10, the second bracing wire 12, multiple conducting wires 9, the adjustable curved segment packet of the first order
The tip electrode 1 for including first pipe, first pipe distal end being arranged in, sets that there are two the length along first pipe in the first pipe
The channel of direction setting is spent, curved segment that the second level is adjustable includes the second pipe that distal end is connected with the proximal end of first pipe
Road, there are three the interior settings of the second pipe along the channel of the length direction setting of second pipe, the second pipe
Three channels in be connected with two channels of the first pipe there are two channel, the first pipe and second is managed
At least one ring electrode 2 is respectively arranged on the outer wall in road, the ring electrode 2 and the tip electrode 1 are connected separately with one
Two channels of conducting wire 9, the first pipe supply the first bracing wire 10 and conducting wire 9 to pass through respectively, first bracing wire 10
Distal end is connected to the tip electrode 1, and three channels of the second pipe supply the first bracing wire 10,12 and of the second bracing wire respectively
Conducting wire 9 passes through, and the distal end of second bracing wire 12 is connected with the distal end of the second pipe, and the handle 8 is located at
The distal side of the second pipe, the handle 8 be provided with the first bracing wire operating device for pulling the first bracing wire 10,
For pulling the second bracing wire operating device of the second bracing wire 12, the proximal end of the conducting wire 9 is connected to the handle 8.It is described
Conduit further include the adjustable curved segment of the third level, the fourth stage is adjustable curved segment, third bracing wire 14 and the 4th bracing wire 16, the third level
Adjustable curved segment includes the third pipeline that distal end is connected with the proximal end of second pipe, and there are four edges for setting in the third pipeline
The channel of the length direction setting of third pipeline, there are three channels and described the in four channels in the third pipeline
Three channels of two pipelines are connected, and curved segment that the fourth stage is adjustable includes that distal end is connected with the proximal end of third pipeline
Four pipelines, which do not have in the 4th pipeline of no matter what one says, manages there are five settings along the channel that the length direction of the 4th pipeline is arranged, the described the 4th
It is connected with four channels of the third pipeline in five channels in road there are four channel, the third pipeline and the
It is respectively arranged at least one ring electrode 2 on the outer wall of four pipelines, the ring electrode 2 of third pipeline and the 4th pipeline is connected separately with
One conducting wire 9, four channels in the third pipeline supply the first bracing wire 10, the second bracing wire 12, third bracing wire 14 respectively and lead
Line 9 passes through, and 14 distal end of third bracing wire is connected to the distal end of the third pipeline, and five in the 4th pipeline
Channel supplies the first bracing wire 10, the second bracing wire 12, third bracing wire 14, the 4th bracing wire 16 and conducting wire 9 to pass through respectively, and the described the 4th draws
The distal end of line 16 is connected to the distal end of the 4th bracing wire 16, and the handle 8 is set to the distal side of the 4th pipeline,
It further include for pulling the third bracing wire operating device of the third bracing wire 14, for pulling the 4th to draw on the handle 8
4th bracing wire operating device of line 16.
The first pipe is double lumen tube 3, second pipe is three lumens 4, third pipeline is four lumens 5, the 4th pipeline
For five-tubed catheter 6.
Second bracing wire 12 is connected to the distal end of the second pipe by the first metal connecting tube 11, described
The distal end of second pipe offers one first stepped bore, and first metal connecting tube 11 is connected in first ladder
In shape hole, the third bracing wire 14 is connected to the distal end of the third pipeline by the second metal connecting tube 13, described
The distal end of third pipeline offers one second stepped bore, and second metal connecting tube 13 is connected in second ladder
In shape hole, the 4th bracing wire 16 is connected to the distal end of the 4th pipeline by third metal connecting tube 15, described
The distal end of 4th pipeline offers a third stepped bore, and the third metal connecting tube 15 is connected in the third ladder
In shape hole.Pass through the first bracing wire 10 that tin-lead weldering connection is described, 10 NiTi of the first bracing wire or stainless steel in tip electrode 1
Material is made, and the conducting wire 9 is connected in tip electrode 1 by tin-lead weldering.Between the tip electrode 1 and first pipe, first
Between pipeline and second pipe, gluing or hot weld are used between second pipe and third pipeline.The conduit further includes one
Main body tube 7, the distal end of the main body tube 7 are connected with the proximal end of the 4th pipeline, the proximal end of the main body tube 7 with
The handle 8 is connected, the main body tube 7 be used for for first bracing wire 10, the second bracing wire 12, third bracing wire 14,
4th bracing wire 16 and conducting wire 9 pass through.
First pipe, second pipe, third pipeline, the 4th pipeline and the main body tube 7 is made of nonmetallic materials, firmly
Degree become larger step by step, to play the supporting role of next stage as upper level, thus realize it is at different levels individually adjust it is curved.First pipe
Road, second pipe, third pipeline and the 4th pipeline side wall on be respectively arranged with the hole passed through for conducting wire 9, the ring electrode 2
Fixed form can for forging and stamping or gluing.The first bracing wire operating device, the second bracing wire operating device, third bracing wire behaviour
Make device and the 4th bracing wire operating device includes crossbeam, the sliding block 17, screw 19 being arranged along the length direction of handle 8, institute
A sliding slot extended along its length is offered on the crossbeam stated, the sliding slot runs through the surface of the crossbeam, institute up and down
The sliding block 17 stated is inserted into from top to bottom in the sliding slot, and the screw 19 is inserted into from bottom to up in the sliding slot, described
The upper end of screw 19 connect with the lower thread of the sliding block 17, the handle 8 includes a shell, on the shell
A sliding slot is offered, the sliding block 17 passes through the sliding slot.A rubber is also equipped between the screw 19 and crossbeam
Pad 18.
A kind of multistage curved electrophysiologicalcatheter catheter of tune of the application, all cardiac structures are adapted to a kind of conduit of specification, with
Operation is set to become more convenient, simultaneously because conduit multistage can be adjusted and curved keep the conduit performance that reclines more preferable.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application
It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application
Protection scope within.The protection scope of the application is subject to claims.
Claims (10)
1. multistage curved electrophysiologicalcatheter catheter is adjusted a kind of, which is characterized in that the conduit includes that the adjustable curved segment of the first order, the second level can
Curved segment, handle, the first bracing wire, the second bracing wire, multiple conducting wires are adjusted,
The adjustable curved segment of the first order includes first pipe, the tip electrode that first pipe distal end is arranged in, the first pipe
It inside sets there are two the channel that the length direction along first pipe is arranged,
Curved segment that the second level is adjustable includes the second pipe that distal end is connected with the proximal end of first pipe, second pipe
Have two along three channels in the channel of the length direction setting of second pipe, the second pipe there are three being arranged in road
A channel is connected with two channels of the first pipe,
At least one ring electrode, the ring electrode and institute are respectively arranged on the outer wall of the first pipe and second pipe
The tip electrode stated is connected separately with a conducting wire,
Two channels of the first pipe supply the first bracing wire and conducting wire to pass through respectively, the distal end connection of first bracing wire
The extremely tip electrode,
Three channels of the second pipe supply the first bracing wire, the second bracing wire and conducting wire to pass through respectively, second bracing wire
Distal end be connected with the distal end of the second pipe,
The handle is located at the distal side of the second pipe, and the handle is provided with for pulling the first bracing wire
One bracing wire operating device, the second bracing wire operating device for pulling the second bracing wire, the proximal end of the conducting wire are connected to described
Handle.
2. the multistage curved electrophysiologicalcatheter catheter of tune as described in claim 1, which is characterized in that the conduit further includes that the third level can
Curved segment, the fourth stage is adjustable curved segment, third bracing wire and the 4th bracing wire are adjusted,
Curved segment that the third level is adjustable includes the third pipeline that distal end is connected with the proximal end of second pipe, the third pipe
Have three along four channels in the channel of the length direction setting of third pipeline, the third pipeline there are four being arranged in road
A channel is connected with three channels of the second pipe,
Curved segment that the fourth stage is adjustable includes that the 4th pipeline being distally connected with the proximal end of third pipeline does not have the 4th of no matter what one says
Have along five channels in the channel that the length direction of the 4th pipeline is arranged, the 4th pipeline there are five settings in pipeline
Four channels are connected with four channels of the third pipeline,
At least one ring electrode, third pipeline and the 4th pipe are respectively arranged on the outer wall of the third pipeline and the 4th pipeline
The ring electrode in road is connected separately with a conducting wire,
Four channels in the third pipeline supply the first bracing wire, the second bracing wire, third bracing wire and conducting wire to pass through respectively, described
Third bracing wire distal end be connected to the distal end of the third pipeline,
Five channels in 4th pipeline supply the first bracing wire, the second bracing wire, third bracing wire, the 4th bracing wire and conducting wire respectively
Passing through, the distal end of the 4th bracing wire is connected to the distal end of the 4th bracing wire,
The handle is set to the distal side of the 4th pipeline, further includes for pulling the third on the handle
Third bracing wire operating device, the 4th bracing wire operating device for pulling the 4th bracing wire of bracing wire.
3. the multistage curved electrophysiologicalcatheter catheter of tune as claimed in claim 2, which is characterized in that
Second bracing wire is connected to the distal end of the second pipe, the second pipe by the first metal connecting tube
Distal end offer one first stepped bore, first metal connecting tube is connected in first stepped bore,
The third bracing wire is connected to the distal end of the third pipeline, the third pipeline by the second metal connecting tube
Distal end offer one second stepped bore, second metal connecting tube is connected in second stepped bore,
4th bracing wire is connected to the distal end of the 4th pipeline, the 4th pipeline by third metal connecting tube
Distal end offer a third stepped bore, the third metal connecting tube is connected in the third stepped bore.
4. the multistage curved electrophysiologicalcatheter catheter of tune as described in claim 1, which is characterized in that passes through tin-lead in tip electrode and weld connection institute
The first bracing wire stated, the first bracing wire NiTi or stainless steel material are made, and the conducting wire is connected to head by tin-lead weldering
In electrode.
5. as claimed in claim 2 multistage adjust curved electrophysiologicalcatheter catheter, which is characterized in that the tip electrode and first pipe it
Between, between first pipe and second pipe, gluing or hot weld are used between second pipe and third pipeline.
6. the multistage curved electrophysiologicalcatheter catheter of tune as claimed in claim 2, which is characterized in that the conduit further includes a main body
Pipe, the distal end of the main body tube is connected with the proximal end of the 4th pipeline, the proximal end of the main body tube and described
Handle is connected, and the main body tube is used for for first bracing wire, the second bracing wire, third bracing wire, the 4th bracing wire and conducting wire
Pass through.
7. as claimed in claim 6 multistage adjust curved electrophysiologicalcatheter catheter, which is characterized in that the first pipe, second pipe,
Third pipeline, the 4th pipeline and main body tube are made of nonmetallic materials, and hardness becomes larger step by step.
8. as claimed in claim 2 multistage adjust curved electrophysiologicalcatheter catheter, which is characterized in that the first pipe, second pipe,
It is respectively arranged with the hole passed through for conducting wire on the side wall of third pipeline and the 4th pipeline, the fixed form of the ring electrode can be with
For forging and stamping or gluing.
9. as claimed in claim 2 multistage adjust curved electrophysiologicalcatheter catheter, which is characterized in that the first bracing wire operating device,
Second bracing wire operating device, third bracing wire operating device and the 4th bracing wire operating device include one setting along the length direction of handle
Crossbeam, sliding block, the screw set, a sliding slot extended along its length is offered on the crossbeam, and the sliding slot passes through up and down
The surface of the crossbeam is worn, the sliding block is inserted into from top to bottom in the sliding slot, and the screw is inserted into from bottom to up
In the sliding slot, the upper end of the screw is connect with the lower thread of the sliding block, and the handle includes a shell,
A sliding slot is offered on the shell, the sliding block passes through the sliding slot.
10. the multistage curved electrophysiologicalcatheter catheter of tune as claimed in claim 9, which is characterized in that between the screw and crossbeam also
One rubber pad is installed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910009254.2A CN109498151A (en) | 2019-01-04 | 2019-01-04 | A kind of multistage curved electrophysiologicalcatheter catheter of tune |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910009254.2A CN109498151A (en) | 2019-01-04 | 2019-01-04 | A kind of multistage curved electrophysiologicalcatheter catheter of tune |
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| CN109498151A true CN109498151A (en) | 2019-03-22 |
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| CN201910009254.2A Pending CN109498151A (en) | 2019-01-04 | 2019-01-04 | A kind of multistage curved electrophysiologicalcatheter catheter of tune |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870528A (en) * | 2020-12-23 | 2021-06-01 | 上海御瓣医疗科技有限公司 | Medical multistage controllable bend adjusting pipe |
| CN113768615A (en) * | 2021-09-18 | 2021-12-10 | 深圳市赛诺思医疗科技有限公司 | Ablation catheter |
| WO2023138223A1 (en) * | 2022-01-24 | 2023-07-27 | 上海臻亿医疗科技有限公司 | Delivery catheter |
| CN116983077A (en) * | 2023-07-06 | 2023-11-03 | 上海玮启医疗器械有限公司 | Pulse ablation catheter capable of realizing multistage bending adjustment |
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| CN103565518A (en) * | 2012-08-01 | 2014-02-12 | 四川锦江电子科技有限公司 | Double-control bent electrophysiological catheter |
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| US6926669B1 (en) * | 2000-10-10 | 2005-08-09 | Medtronic, Inc. | Heart wall ablation/mapping catheter and method |
| CN103565518A (en) * | 2012-08-01 | 2014-02-12 | 四川锦江电子科技有限公司 | Double-control bent electrophysiological catheter |
| CN103877663A (en) * | 2012-12-20 | 2014-06-25 | 上海微创电生理医疗科技有限公司 | Bending control device for catheter and catheter comprising same |
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| CN112870528A (en) * | 2020-12-23 | 2021-06-01 | 上海御瓣医疗科技有限公司 | Medical multistage controllable bend adjusting pipe |
| CN113768615A (en) * | 2021-09-18 | 2021-12-10 | 深圳市赛诺思医疗科技有限公司 | Ablation catheter |
| CN113768615B (en) * | 2021-09-18 | 2023-09-22 | 苏州赛纳思医疗技术有限公司 | Ablation catheter |
| WO2023138223A1 (en) * | 2022-01-24 | 2023-07-27 | 上海臻亿医疗科技有限公司 | Delivery catheter |
| CN116983077A (en) * | 2023-07-06 | 2023-11-03 | 上海玮启医疗器械有限公司 | Pulse ablation catheter capable of realizing multistage bending adjustment |
| CN116983077B (en) * | 2023-07-06 | 2024-05-28 | 上海玮启医疗器械有限公司 | Pulse ablation catheter capable of realizing multistage bending adjustment |
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