CN108143481A - A kind of ablation catheter and the ablating device for including this conduit - Google Patents
A kind of ablation catheter and the ablating device for including this conduit Download PDFInfo
- Publication number
- CN108143481A CN108143481A CN201611097407.6A CN201611097407A CN108143481A CN 108143481 A CN108143481 A CN 108143481A CN 201611097407 A CN201611097407 A CN 201611097407A CN 108143481 A CN108143481 A CN 108143481A
- Authority
- CN
- China
- Prior art keywords
- tube body
- magnetic sensor
- ablation catheter
- distal end
- ablation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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]
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
-
- 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
-
- 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
- A61B2018/00791—Temperature
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Otolaryngology (AREA)
- Biophysics (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention relates to ablation catheter field, more particularly to a kind of ablation catheter, including：Total tube body, be provided on total tube body intrusion pipe and it is several have distal ports for mapping or the electrode of ablation, total tube body, be distal end tube body；End electrodes, the end electrodes are connect with the free end of the distal end tube body；At least two Magnetic Sensors are installed in the distal end tube body or end electrodes inside, including the first Magnetic Sensor and the second Magnetic Sensor, it is an object of the invention to overcome the above-mentioned deficiency in the presence of the prior art, there is provided it is a kind of it is simple in structure, manufacture is at low cost and can accurately determine the ablation catheter in recline position and the direction that reclines between conduit and lesion tissue and includes the ablating device of this conduit.
Description
Technical field
The present invention relates to ablation catheter field, more particularly to a kind of ablation catheter and the ablation dress comprising this conduit
It puts.
Background technology
Arrhythmia cordis is one of common disease in the world, and carrying out radio-frequency ablation procedure using ablation catheter has been widely used in
Treat such disease, RF energy by ablation catheter be transferred to the tissue of electrode, the tissue that electrode contacts and surrounding them with
It is melted.Electrode temperature will increase in ablation procedure, be likely larger than 60 DEG C, then may form dehydration blood at the electrode surface
Clear coat, if temperature continues to increase, dehydremia layer can become increasingly thicker, lead to the condensation of blood surface, because
There is higher resistance compared with tissue, therefore electrode surface fever is more serious by increase incrustation for dehydration biomaterial, at this time
Progress conduit cleaning is needed ablation tissue surface radius to be made to become larger since electrode surface temperature is excessively high, damaging adjacent healthy tissue,
Therefore more preferably depth of ablation can not be reached.
Therefore the prior art is using saline infusions ablating electrode, can also both have been controlled and disappeared with cleaning electrode surface
Melt tissue surface radius and degree of ablation and increase depth of ablation.
But the necessary condition of effectively perfusion ablation is that ablation catheter can accurately reach lesions position tissue.Due to human heart
Physiological structure is complicated, needs the direction accurately determined and guiding catheter reaches the position that need to be melted and electrode paste leans on, makes to lead
Pipe accurately reaches different lesions positions and adapts to the lesions position of different configuration.
In the prior art, to ensure that the active section of ablation catheter can be sticked on the direction that correctly reclines in lesion tissue
Correct position generally individually measures recline direction and the position that reclines of active section and lesion tissue using electromagnetism or optical technology
It puts, but very high requirement is thus proposed to ablation apparatus, and cause ablation apparatus complicated, manufacture cost is also big
Width improves.Felt for example, mention in Chinese patent CN103908337A and being added in ablation catheter using the sensor of magnetic induction
Contact direction of the active section with lesion tissue is surveyed, but which needs multiple magnetic field generators, more magnetic field generators are more susceptible to
The interference of external magnetic field so as to cause recline direction and the position that reclines between ablation catheter active section and lesion tissue inspection
Dendrometry is true and increases manufacturing cost.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency in the presence of the prior art, a kind of simple in structure, manufacture is provided
Ablation catheter that is at low cost and can accurately determining recline position and the direction that reclines between conduit and lesion tissue.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes：
A kind of ablation catheter, including：
Total tube body is provided with intrusion pipe on total tube body and several has for mapping or the electrode of ablation, the tube body
Distal ports are distal end tube body；
End electrodes, the end electrodes are connect with the free end of the distal end tube body；
Be installed at least two Magnetic Sensors in the distal end tube body or end electrodes inside, including the first Magnetic Sensor and
Second Magnetic Sensor.
In technical solution of the present invention, the mode of first Magnetic Sensor and the second Magnetic Sensor is set, with showing
There is technology to compare, such design helps to simplify the structure of the ablation catheter, can also reduce it and manufacture cost.
Above-mentioned first Magnetic Sensor and the second Magnetic Sensor are arranged on inside distal end tube body or end electrodes, are passed in the first magnetic
Magnetic field generator is provided with outside sensor and the second Magnetic Sensor, magnetic field generator can emit multiple magnetic fields, a magnetic of transmitting
Field is spatially a plane, passes through the faradic size of the first Magnetic Sensor and the second Magnetic Sensor in the plane
It can determine the position of the first Magnetic Sensor and the second Magnetic Sensor in the plane, multiple magnetic fields, that is, multiple plane convergences just can be true
The fixed specific location of first Magnetic Sensor and the second Magnetic Sensor spatially；When the first Magnetic Sensor and the second Magnetic Sensor phase
After fixed setting, the space coordinate of the two can be considered as to a new coordinate（x1,y1,z1,x2,y2,z2）, with prior art phase
Than when rotating ablation catheter, that is, when rotating distal end tube body or end electrodes, this new coordinate just has uniqueness, therefore, energy
Specific recline position and recline direction of the ablation catheter in the lesion tissues such as heart are accurately determined, so as to accurately sentence
Whether disconnected ablation catheter is set ablation locations the location of in lesion tissue, to facilitate adjustment, not only be ensure that good
Good ablation effect, and also avoid and other tissues are caused to damage.
As the preferred embodiment of the present invention, the distal end tube body front end is provided with one section of connection pipe body, and first magnetic passes
Sensor and the second Magnetic Sensor are installed in the connection pipe body, and the intrusion pipe is arranged in the distal end tube body, connection pipe body
Interior, above-mentioned intrusion pipe is threaded through in the inner cavity of connection pipe body or distal end tube body, is played perfusion liquid and the first Magnetic Sensor, second
The effect that Magnetic Sensor and conducting wire are kept apart, on the one hand, perfusion liquid can be avoided to the first Magnetic Sensor, the second Magnetic Sensor
It has an impact with conducting wire, so as to ensure the positioning accuracy of the first Magnetic Sensor and the second Magnetic Sensor, also contributes to
On the other hand the safety coefficient of the ablation catheter, has been also convenient for intrusion pipe and has carried out water conservancy diversion to perfusion liquid.
As the preferred embodiment of the present invention, the axis of first Magnetic Sensor and the axis of the second Magnetic Sensor are uneven
Row, in technical solution of the present invention, the axis of the first Magnetic Sensor and the axis of the second Magnetic Sensor are not parallel, make in this way
It obtains the first Magnetic Sensor and the second Magnetic Sensor jointly positions lesions position, realize the positioning accuracy of 1+1 ＞ 2, i.e.,
The accuracy of recline between active section and lesion tissue position and the angle detecting that reclines greatly improved, if the first magnetic senses
The axis of device is parallel with the axis of the second Magnetic Sensor, then loses the meaning of two Magnetic Sensors of setting.
In order to further improve recline between active section and lesion tissue to the ablation catheter position and the direction that reclines
Detection accuracy, the angle α between the axis of the axis of the first Magnetic Sensor and the second Magnetic Sensor is limited to 1o~
90o, not only can guarantee that the first Magnetic Sensor and the second Magnetic Sensor have higher positioning accuracy, but also disappear conducive to described
Melt the miniaturization of conduit, that is to say, that if the angle α is less than 1o, there will be the first Magnetic Sensor of damage and the second Magnetic Sensors
Positioning accuracy, if the angle α be more than 90o, then the inner cavity of connection pipe body can not be that the first Magnetic Sensor and the second magnetic sense
Device provides so big installation space, and in order to install the first Magnetic Sensor and the second Magnetic Sensor, unique approach can only be then
Increase connection pipe body and the volume of active section, be unfavorable for the miniaturization of the ablation catheter.
As the preferred embodiment of the present invention, several on the tube body for mapping or the electrode of ablation is ring electrode, mapping
Or the effect of ablation is more preferable.
As the preferred embodiment of the present invention, temperature sensor is provided in the end electrodes, for detecting end electrodes
The situation that tissue around temperature is melted with Real-time Feedback.
As the preferred embodiment of the present invention, deflection section, the distal end of the deflection section and distal tube are further included on the tube body
Body connects, and the intrusion pipe is threaded through in deflection section, makes ablation catheter entirety adaptability stronger.
Disclosed herein as well is a kind of ablating devices, are connect including radio frequency source and with the radio frequency source described
Ablation catheter, because of the ablation catheter including above structure, therefore ablating device of the present invention also can not only accurately determine ablation
Recline position and the direction that reclines between conduit and lesion tissue, and can also accurately detect between ablation catheter and lesion tissue
The pressure that reclines, so as to ensure that the pressure that reclines between active section and lesion tissue is appropriate.
Compared with prior art, beneficial effects of the present invention：
It is simple in structure, manufacture is at low cost and can accurately determine recline position and the side of reclining between ablation catheter and lesion tissue
To.
Description of the drawings：
Fig. 1 is conduit application schematic diagram in embodiment 1；
Fig. 2 .1 are distal end of catheter Magnetic Sensor placement schematic diagram 1 in embodiment 1；
Fig. 2 .2 are distal end of catheter Magnetic Sensor placement schematic diagram 2 in embodiment 1；
Fig. 3 is distal end of catheter sectional view in embodiment 1；
Fig. 4 is catheter tube sectional view in embodiment 1；
Magnetic Sensor positioning principle schematic diagram in Fig. 5 embodiments 1；
Fig. 6 is distal end of catheter overall schematic in embodiment 1
Fig. 7 is conduit integrally bending schematic diagram in embodiment 1；
It is marked in figure：1. end electrodes, 2. ring electrode A, 3. ring electrode B, 4. ring electrode C, 5. distal end tube bodies, 6. connection pipe body,
7. temperature sensor, 8. intrusion pipes, 9. traction steel wires, 10. electrode cable, 101. first Magnetic Sensor, 102. second magnetic sensing
Device, 11. end electrodes fill orifices, 12. cardiac muscular tissues, 21. annular electrode D, 22. annular electrode E, 71. temperature sensors are led
Line, 1011. first Magnetic Sensor conducting wire, 1021. second Magnetic Sensor conducting wire, the big chamber A of 501. tube bodies, the big chamber B of 502. tube bodies,
The small chamber of 503. tube bodies.
Specific embodiment
With reference to embodiment and specific embodiment, the present invention is described in further detail.But this should not be understood
Range for the above-mentioned theme of the present invention is only limitted to following embodiment, all to belong to this based on the technology that the content of present invention is realized
The range of invention.
Such as Fig. 1-7, a kind of ablation catheter（Fig. 1 is the conduit application schematic diagram, and the end electrodes 1 on distal catheter 5 are pasted
Location profile during by cardiac muscular tissue 12）, including：
Total tube body is provided with intrusion pipe 8 on total tube body and several has for mapping or the electrode of ablation, the tube body
Distal ports are distal end tube body 5；
End electrodes 1, the end electrodes 1 are connect with the free end of the distal end tube body 5, are provided in the end electrodes 1
Temperature sensor 7, multiple end electrodes fill orifices 11 are disposed in end electrodes 1, and end electrodes fill orifice 11 connects intrusion pipe
8, for liquid to be perfused in ablation.
Specifically, 5 front end of distal end tube body is provided with one section of connection pipe body 6（6 dimensionally stable of connection pipe body is constant）, institute
It states the first Magnetic Sensor 101 and the second Magnetic Sensor 102 is installed in the connection pipe body 6, the intrusion pipe 8 is arranged in described
In distal end tube body 5, connection pipe body 6.
Several mappings or the electrode of ablation of being used for are ring electrode on the tube body（Specifically include ring electrode A2, ring electrode B3,
Ring electrode C4, annular electrode D21, annular electrode E22 are disposed with ring electrode A2, ring electrode B3, ring electrode C4 on distal end tube body 5,
For melting or mapping, intrusion pipe 8 are positioned over inside distal end tube body 5, annular electrode D21, that annular electrode E22 is arranged in tube body is inclined
Turn section, annular electrode D21 determines to manage by 3 points with annular electrode E22 and end electrodes 1 into face principle when deflecting section bending
The bending direction of body）.
The Magnetic Sensor that at least two axis are not mutually parallel is installed with inside the connection pipe body 6（It specifically includes
First Magnetic Sensor 101, the second Magnetic Sensor 102, are arranged in connection pipe body 6, and the first Magnetic Sensor 101, the second magnetic pass
Sensor 102 is set as being mutually parallel or relative position keeps certain angle（1o~90o）, corresponding situation respectively as Fig. 2 .1,
2.2, the first Magnetic Sensor 101 is energized by the first Magnetic Sensor conducting wire 1011 being arranged in manifold bodies, the second Magnetic Sensor 102
It is energized by the second Magnetic Sensor conducting wire 1021 being arranged in manifold bodies, the first Magnetic Sensor 101, the second Magnetic Sensor 102
For magnetic coil in embodiment, each Magnetic Sensor can determine that it in spatial position, is provided with 1 magnetic field outside Magnetic Sensor
Generator, magnetic field generator can emit multiple magnetic fields, and sensing electric current can be generated on Magnetic Sensor, controller is fed back to by conducting wire
Middle to be handled to obtain Magnetic Sensor in the position in magnetic field, a magnetic field of radiation is a plane spatially, and magnetic passes
Sensor senses current value size and can determine that the position of the Magnetic Sensor on this plane, multiple magnetic fields, that is, multiple on this plane
Plane convergence can determine that Magnetic Sensor spatially specific location, when first Magnetic Sensors 101 of 2 or more determine coordinate
（x1,y1,z1）, the second Magnetic Sensor 102 determines coordinate（x2,y2,z2）Fixed relative position and angle, 2 space is sat
Mark is regarded as a new coordinate（x1,y1,z1,x2,y2,z2）, this coordinate has uniqueness when tube body rotates, therefore can be accurate
Judgement conduit position and rotational angle, enable conduit ablation when more accurately find lesion tissue and ablation head end
The direction that reclines, such as Fig. 5）.
First Magnetic Sensor 101 and second sensor 102 need distance at least 0.50mm, if distance closely will be unable to very much identify
First Magnetic Sensor 101 and second sensor 102, therefore Magnetic Sensor modes of emplacement has 2 kinds, the first be mutually parallel axis away from
From more than 0.50mm, the second way, to avoid cavity dimension that from can not putting Magnetic Sensor by sensing separation to 0.50mm is more than
It is set to certain angle（1-90 degree）, corresponding situation is respectively such as Fig. 2 .1,2.2.
To ensure sensor location accuracy, the first Magnetic Sensor 101 and second sensor 102 need to be placed on distal end of catheter
Constant one section of dimensionally stable, it is therefore highly preferred that Magnetic Sensor is placed in the connection pipe body 6 of electrode rear end, outside rigidity compared with
Big plastic material package insulation（6 connection pipe body）, such as PEEK.
Such as Fig. 4, the multiple chambers of setting in tube body, by all electrode cables 10, that temperature sensor lead 71 is placed on tube body is big
In chamber B502, intrusion pipe 8 is placed in the big chamber A501 of tube body, the big chamber A501 of tube body and the big chamber B502 of tube body are respectively relative to axis
Central symmetry, so as to tube body when stress is bent uniform tube bodies small 503 for placing traction steel wire 9, center in tube body
The big chamber A501 of line and tube body of the heart is vertical with the line of centres of the big chamber B502 of tube body, to ensure the stabilization of the traction of traction steel wire 9
Property.
The present embodiment also discloses a kind of ablating device, connect including radio frequency source and with the radio frequency source described in
Ablation catheter, because of the ablation catheter including above structure, therefore ablating device described in the present embodiment also can not only be determined accurately
Recline position and the direction that reclines between ablation catheter and lesion tissue, and can also accurately detect ablation catheter and lesion tissue
Between the pressure that reclines, so as to ensure that the pressure that reclines between active section and lesion tissue is appropriate.
Claims (7)
1. a kind of ablation catheter, which is characterized in that including：
Total tube body is provided with intrusion pipe on total tube body and several for mapping or the electrode of ablation, total tube body tool
Standby distal ports are distal end tube body；
End electrodes, the end electrodes are connect with the free end of the distal end tube body；
Be installed at least two Magnetic Sensors in the distal end tube body or end electrodes inside, including the first Magnetic Sensor and
Second Magnetic Sensor.
2. a kind of ablation catheter according to claim 1, which is characterized in that the distal end tube body front end is provided with one section of company
Take over body, first Magnetic Sensor and the second Magnetic Sensor are installed in the connection pipe body, and the intrusion pipe is arranged in institute
State distal end tube body, in connection pipe body.
A kind of 3. ablation catheter according to claim 2, which is characterized in that the axis and second of first Magnetic Sensor
The axis of Magnetic Sensor is not parallel.
4. a kind of ablation catheter according to claim 3, which is characterized in that several on the tube body to be used for mapping or ablation
Electrode be ring electrode.
5. a kind of ablation catheter according to claim 4, which is characterized in that be provided with temperature sensing in the end electrodes
Device.
6. a kind of ablation catheter according to claim 5, which is characterized in that deflection section, institute are further included on total tube body
The distal end for stating deflection section is connect with distal end tube body, and the intrusion pipe is threaded through in deflection section.
7. a kind of ablating device, which is characterized in that the claims 1 being connect including radio frequency source and with the radio frequency source ~
Ablation catheter in 6 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097407.6A CN108143481A (en) | 2016-12-02 | 2016-12-02 | A kind of ablation catheter and the ablating device for including this conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097407.6A CN108143481A (en) | 2016-12-02 | 2016-12-02 | A kind of ablation catheter and the ablating device for including this conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108143481A true CN108143481A (en) | 2018-06-12 |
Family
ID=62469417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611097407.6A Pending CN108143481A (en) | 2016-12-02 | 2016-12-02 | A kind of ablation catheter and the ablating device for including this conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108143481A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832201A (en) * | 2022-03-15 | 2022-08-02 | 介入科技发展(深圳)有限公司 | Catheter and system capable of identifying direction of blood vessel |
| CN115252114A (en) * | 2022-07-25 | 2022-11-01 | 江苏邦士医疗科技有限公司 | Turbinate hemostatic electrode |
| CN116636922A (en) * | 2023-05-12 | 2023-08-25 | 心诺普医疗技术（北京）有限公司 | Magnetic induction thermal ablation balloon catheter and ablation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780303A (en) * | 2008-12-03 | 2010-07-21 | 韦伯斯特生物官能公司 | High-sensitivity pressure-sensing probe |
| CN102641153A (en) * | 2010-12-30 | 2012-08-22 | 韦伯斯特生物官能公司 | Catheter with single axial sensors |
| US20140081957A1 (en) * | 2012-09-14 | 2014-03-20 | General Electric Company | Patient monitoring system and method |
| CN103830002A (en) * | 2012-11-23 | 2014-06-04 | 四川锦江电子科技有限公司 | Controllable bent and spiral irrigation catheter |
| CN103908337A (en) * | 2012-12-31 | 2014-07-09 | 韦伯斯特生物官能(以色列)有限公司 | Catheter with serially connected sensing structures and methods of calibration and detection |
| CN104207840A (en) * | 2013-05-30 | 2014-12-17 | 乐普（北京）医疗器械股份有限公司 | Magnetism navigation radiofrequency ablation catheter |
| CN105997234A (en) * | 2016-05-05 | 2016-10-12 | 江苏省肿瘤医院 | Magnetic navigation radio frequency ablation catheter for lung cancer treatment under bronchoscope |
| CN106606373A (en) * | 2016-08-30 | 2017-05-03 | 四川锦江电子科技有限公司 | Ablation catheter capable of accurate pressure measurement |
-
2016
- 2016-12-02 CN CN201611097407.6A patent/CN108143481A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780303A (en) * | 2008-12-03 | 2010-07-21 | 韦伯斯特生物官能公司 | High-sensitivity pressure-sensing probe |
| CN102641153A (en) * | 2010-12-30 | 2012-08-22 | 韦伯斯特生物官能公司 | Catheter with single axial sensors |
| US20140081957A1 (en) * | 2012-09-14 | 2014-03-20 | General Electric Company | Patient monitoring system and method |
| CN103830002A (en) * | 2012-11-23 | 2014-06-04 | 四川锦江电子科技有限公司 | Controllable bent and spiral irrigation catheter |
| CN103908337A (en) * | 2012-12-31 | 2014-07-09 | 韦伯斯特生物官能(以色列)有限公司 | Catheter with serially connected sensing structures and methods of calibration and detection |
| CN104207840A (en) * | 2013-05-30 | 2014-12-17 | 乐普（北京）医疗器械股份有限公司 | Magnetism navigation radiofrequency ablation catheter |
| CN105997234A (en) * | 2016-05-05 | 2016-10-12 | 江苏省肿瘤医院 | Magnetic navigation radio frequency ablation catheter for lung cancer treatment under bronchoscope |
| CN106606373A (en) * | 2016-08-30 | 2017-05-03 | 四川锦江电子科技有限公司 | Ablation catheter capable of accurate pressure measurement |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832201A (en) * | 2022-03-15 | 2022-08-02 | 介入科技发展(深圳)有限公司 | Catheter and system capable of identifying direction of blood vessel |
| CN114832201B (en) * | 2022-03-15 | 2023-09-01 | 介入科技发展(深圳)有限公司 | Catheter and system capable of identifying blood vessel direction |
| CN115252114A (en) * | 2022-07-25 | 2022-11-01 | 江苏邦士医疗科技有限公司 | Turbinate hemostatic electrode |
| CN115252114B (en) * | 2022-07-25 | 2023-08-25 | 邦士医疗科技股份有限公司 | Hemostatic electrode for turbinate |
| CN116636922A (en) * | 2023-05-12 | 2023-08-25 | 心诺普医疗技术（北京）有限公司 | Magnetic induction thermal ablation balloon catheter and ablation method |
| CN116636922B (en) * | 2023-05-12 | 2024-05-03 | 心诺普医疗技术（北京）有限公司 | Magnetic induction thermal ablation balloon catheter and ablation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3359073B1 (en) | Multi-electrode ablator tip having dual-mode, omni-directional feedback capabilities | |
| AU2018204229B2 (en) | Lasso catheter with tip electrode | |
| US9427167B2 (en) | Real-time feedback for electrode contact during mapping | |
| CN104582619B (en) | System for organizing contact during detecting ablation | |
| US10595937B2 (en) | System for optimized coupling of ablation catheters to body tissues and evaluation of lesions formed by the catheters | |
| US9211156B2 (en) | Map and ablate closed-loop cooled ablation catheter with flat tip | |
| JP5595723B2 (en) | Dual purpose lasso catheter with irrigation | |
| CN104640513A (en) | Map and ablate closed-loop cooled ablation catheter | |
| AU2015202245B2 (en) | Catheter tip with microelectrodes | |
| CN105125283B (en) | Catheter electrode with multiple thermocouples | |
| US9050105B2 (en) | Catheter with multiple irrigated electrodes and a force sensor | |
| CN108143481A (en) | A kind of ablation catheter and the ablating device for including this conduit | |
| CN106606373B (en) | A kind of ablation catheter of accurate dynamometry | |
| CN106821491A (en) | Ablation current is measured | |
| JP2023537819A (en) | High Density Electrode Catheter with Magnetic Position Tracking | |
| EP3313311B1 (en) | Open-irrigated ablation catheter | |
| CN106308922A (en) | Multi-electrode ablation device | |
| US11559351B2 (en) | Temperature sensor structure in printed-circuit-board (PCB) wall of radiofrequency (RF) ablation catheter tip electrode | |
| CN216962608U (en) | Radio frequency ablation catheter | |
| CN218075202U (en) | Ablation catheter and ablation system | |
| US20240099660A1 (en) | High Density Paddle Catheter With Distal Coupler and Distal Electrode | |
| US20200345413A1 (en) | Monophasic-enabled catheter with microelectrodes and method of using same for local detection of signals | |
| WO2024102755A1 (en) | Catheter navigation guidewire | |
| CN114145839A (en) | Radio frequency ablation catheter and posture detection and adjustment method thereof | |
| US20180104003A1 (en) | Ablation catheter with internally fixed subelectrodes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180612 |
|
| RJ01 | Rejection of invention patent application after publication |