CN107789051A - A kind of catheter pressure detection method, and corresponding conduit - Google Patents
A kind of catheter pressure detection method, and corresponding conduit Download PDFInfo
- Publication number
- CN107789051A CN107789051A CN201610771083.3A CN201610771083A CN107789051A CN 107789051 A CN107789051 A CN 107789051A CN 201610771083 A CN201610771083 A CN 201610771083A CN 107789051 A CN107789051 A CN 107789051A
- Authority
- CN
- China
- Prior art keywords
- elastomer
- conduit
- alignment sensor
- detection method
- pressure detection
- 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.)
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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
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- 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
Abstract
The present invention relates to ablation catheter field, more particularly to a kind of catheter pressure detection method, its step includes：Elastomer is installed in the active segment of conduit, while at least one set of alignment sensor is installed on elastomer A,；B, deformation of guide tube prelocalization sensor gathers itself first position bearing data, and itself second place bearing data is gathered after conduit compressive deformation；C, obtain representing the running parameter of the relative position and direction change between the alignment sensor with group by first position bearing data and second place direction；D, obtained a result parameter according to the physical parameter of running parameter and elastomer, result parameter is used for the size and Orientation for describing conduit active segment pressure；E, result parameter is shown on external device (ED), it is an object of the invention to provide a kind of size and Orientation of monitoring catheter active segment pressure, at the same it is simple in construction, and technique realizes that difficulty is low, the catheter pressure detection method of low manufacture cost, also discloses corresponding conduit.
Description
Technical field
The present invention relates to ablation catheter field, more particularly to a kind of catheter pressure detection method, and corresponding conduit.
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
Melted.
It is to insert ablation catheter in heart, and make the working end of ablation catheter when being treated using ablation catheter
Contacted with wall of the heart, in the process, it is necessary to control conduit and the interstructural pressure of wall of the heart, prevent from causing heart
Damage（Be not limited only to heart association area, other catheter arts for needing pressure measxurement similarly, the related field such as kidney, lung
Deng）.
Traditional technical method has three kinds：
One is the feel for the degree that reclined by user to conduit judges pressure size, the method places one's entire reliance upon experience, and
No quantization standard, it is not easy to be widely used in practice and experience succession；
The second is installing optical sensor in conduit head end, it is imaged by optical interference, obtains catheter pressure information, this method is only
Pressure size information can be obtained, it is impossible to obtain pressure direction information, therefore be not easy to the judgement that doctor makes action in next step；
The third is installing a small-sized generation coil by conduit head end, three receiving coils are installed on the same section of catheter body,
Catheter pressure size and Orientation is calculated by receiving signal magnitude, this method can accurately calculate catheter pressure size and Orientation, but
Complicated, technique realizes that difficulty is big, and cost of manufacture is high.
The content of the invention
It is an object of the invention to overcome the above-mentioned deficiency in the presence of prior art, there is provided a kind of monitoring catheter active segment
The size and Orientation of pressure, at the same it is simple in construction, and technique realizes that difficulty is low, the catheter pressure detection side of low manufacture cost
Method.
In order to realize foregoing invention purpose, the invention provides following technical scheme：
A kind of catheter pressure detection method, its step include：
Elastomer is installed in the active segment of end of conduit, while at least one set of orientation sensing is installed in the elastomer both sides A,
Device, at least provided with an alignment sensor on the body of conduit；；
B, the alignment sensor gathers itself first position bearing data, the conduit compressive deformation band before the deformation of guide tube
After the dynamic elastomer deforms, the alignment sensor gathers itself second place bearing data in real time；
C, contrasted by the first position bearing data and second place bearing data, obtain representing the positioning biography with group
The running parameter of relative position and direction change between sensor；
D, obtained a result parameter according to the physical parameter of the running parameter and the elastomer, the result parameter is used to retouch
State the size and Orientation of the conduit active segment pressure；
E, the result parameter is shown on external device (ED).
Better than conventional method, this programme by installing alignment sensor, the pipe of conduit respectively in catheter tube and active segment
The alignment sensor with group is provided with body and active segment, gathers under different conduit stresses different alignment sensors each
Locality data, the physics ginseng with total elastomer calculates the size and Orientation of conduit active segment pressure, enters one
Step includes the result parameter of representative pressure size and Orientation in computer screen.
Be compared to first, second kind of conventional art in background technology, this programme can monitoring catheter active segment be pressurized
The size and Orientation of power, enable a physician to better control over the pressure contacted between conduit and heart, cardioprotection is without prejudice, together
When also allow for doctor make in next step action judgement；
The third conventional art is compared to, this programme structure is simpler, and technique realizes that difficulty is low, low manufacture cost.
As the preferred scheme of the present invention, the alignment sensor is magnetic position sensor.
As the preferred scheme of the present invention, the conduit is for the ablation catheter in heart.
As the preferred scheme of the present invention, the elastomer is spring.
As the preferred scheme of the present invention, one group of alignment sensor is only installed on the elastomer.
As the preferred scheme of the present invention, the alignment sensor quantity is 2, is separately mounted to the elastomer two
End, in the case where ensureing measurement request, alignment sensor quantity is arranged to 2, can further reduce cost.
As the preferred scheme of the present invention, the installation site of the alignment sensor meets：The axis of the conduit is worn
Cross 2 alignment sensors, such position, which is set, makes monitoring to the size and Orientation of conduit active segment pressure more
Accurately, while it is easier to the size and Orientation from positive pressure that monitoring catheter end receives.
As the preferred scheme of the present invention, the physical parameter of the elastomer is coefficient of elasticity.
Disclosed herein as well is a kind of conduit for the size and Orientation that can detect itself pressure, it includes：
Body；
Elastomer, the elastomer are installed in the active segment of the body end；
Alignment sensor, the alignment sensor are arranged on the elastomer both ends.
Existing conduit is compared to, is capable of the size and Orientation of preferably monitoring catheter active segment pressure, simultaneously
Simple in construction, technique realizes that difficulty is low, low manufacture cost.
As the preferred scheme of the present invention, the alignment sensor is magnetic position sensor.
Compared with prior art, beneficial effects of the present invention：
The size and Orientation of monitoring catheter active segment pressure, at the same it is simple in construction, and technique realizes that difficulty is low, cost of manufacture
It is low.
Brief description of the drawings：
Fig. 1 is the schematic flow sheet of pressure detection method in the embodiment of the present application 1；
Fig. 2 is the not deformed preceding view of conduit in the embodiment of the present application 1；
Fig. 3 is the first state schematic diagram after deformation of guide tube in the embodiment of the present application 1；
Fig. 4 is the second view after deformation of guide tube in the embodiment of the present application 1；
Marked in figure：1- alignment sensors, 2- elastomers, 3- active segments, 4- bodys.
Embodiment
With reference to embodiment and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment 1
Such as Fig. 1, a kind of catheter pressure detection method, its step includes：
A, in conduit（The conduit is for the ablation catheter in heart）Installation elastomer 2 in the active segment 3 of end（The bullet
Property body 2 be spring, keep 1 ~ 5mm strokes, in the present embodiment, the spring peripheral is provided with scalable colloid, for protecting
Spring）, while at least one set of alignment sensor 1 is installed in the both sides of elastomer 2（The alignment sensor 1 passes for magnetic orientation
Sensor）, at least provided with an alignment sensor 1 on the body 4 of conduit；
B, the alignment sensor 1 gathers itself first position bearing data before the deformation of guide tube（Such as Fig. 2）, the conduit by
After compressive strain drives the elastomer 2 to deform（Such as Fig. 3,4）, the alignment sensor 1 gathers itself second place in real time
Bearing data；
When conduit is by positive pressure as shown in figure 3, two relative positions of alignment sensor 1 change（Direction does not have
Become）, pressure size is determined according to change in location size；
When conduit is by lateral pressure as shown in figure 4, two relative positions of alignment sensor 1 and direction change（And
Axially opposite angle changes）, calculated according to first position bearing data and second place bearing data with group
Two alignment sensors, 1 angle and the change of position, coordinate the coefficient of elasticity of the spring to determine spring pressure size
And direction, and conduit active segment 3；
C, contrasted by the first position bearing data and second place bearing data, obtain representing the positioning biography with group
The running parameter of relative position and direction change between sensor 1；
D, according to the running parameter and the physical parameter of the elastomer 2（It is coefficient of elasticity in the present embodiment）Obtain a result
Parameter, the result parameter are used for the size and Orientation for describing the pressure of conduit active segment 3；
E, in external device (ED)（Display）The upper display result parameter.
In the present embodiment, one group of alignment sensor 1 is only installed on the elastomer 2, the quantity of alignment sensor 1 is 2
It is individual, be separately mounted to the both ends of elastomer 2, one in body 4, one in active segment 3, the alignment sensor 1
Installation site meets：The axis of the conduit both passes through 2 alignment sensors 1, and before deformation of guide tube, 2 orientation sensings
The axis of device 1 tends to be parallel.
The present embodiment also discloses a kind of conduit for the size and Orientation that can detect itself pressure, and it includes：
Body 4；
Elastomer 2, the elastomer 2 are installed in the active segment 3 of the end of body 4；
Alignment sensor 1, the alignment sensor 1 are arranged on the both ends of elastomer 2, and the alignment sensor 1 is magnetic orientation
Sensor, the supporting Magnetic oriented system of alignment sensor 1, preferable Magnetic oriented system is Northern in of the invention
The Aurora systems of Digital Inc. companies, magnetic position sensor select the sensor of Aurora system supports.
Claims (10)
1. a kind of catheter pressure detection method, it is characterised in that step includes：
Elastomer is installed in the active segment of end of conduit, while at least one set of orientation sensing is installed in the elastomer both sides
Device, at least provided with an alignment sensor on the body of conduit；
The alignment sensor gathers itself first position bearing data before the deformation of guide tube, and the conduit compressive deformation drives
After the elastomer deforms, the alignment sensor gathers itself second place bearing data in real time；
Contrasted by the first position bearing data and second place bearing data, obtain representing the orientation sensing with group
The running parameter of relative position and direction change between device；
Obtained a result parameter according to the physical parameter of the running parameter and the elastomer, the result parameter is used to describe
The size and Orientation of the conduit active segment pressure；
The result parameter is shown on external device (ED).
2. a kind of catheter pressure detection method according to claim 1, it is characterised in that the alignment sensor is determined for magnetic
Level sensor.
3. a kind of catheter pressure detection method according to claim 1, it is characterised in that the conduit is in heart
Ablation catheter.
4. a kind of catheter pressure detection method according to claim 1, it is characterised in that the elastomer is spring.
A kind of 5. catheter pressure detection method according to claim 1-4 any one, it is characterised in that the elastomer
On one group of alignment sensor is only installed.
6. a kind of catheter pressure detection method according to claim 5, it is characterised in that the alignment sensor quantity is
2, it is separately mounted to the elastomer both ends.
A kind of 7. catheter pressure detection method according to claim 6, it is characterised in that the installation of the alignment sensor
Position meets：The axis of the conduit both passes through 2 alignment sensors.
A kind of 8. catheter pressure detection method according to claim 7, it is characterised in that the physical parameter of the elastomer
For coefficient of elasticity.
A kind of 9. conduit for the size and Orientation that can detect itself pressure, it is characterised in that including：
Body；
Elastomer, the elastomer are installed in the active segment of the body end；
Alignment sensor, the alignment sensor are arranged on the elastomer both ends.
10. a kind of conduit of size and Orientation that can detect itself pressure according to claim 9, its feature exist
In the alignment sensor is magnetic position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771083.3A CN107789051A (en) | 2016-08-30 | 2016-08-30 | A kind of catheter pressure detection method, and corresponding conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771083.3A CN107789051A (en) | 2016-08-30 | 2016-08-30 | A kind of catheter pressure detection method, and corresponding conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107789051A true CN107789051A (en) | 2018-03-13 |
Family
ID=61529344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610771083.3A Pending CN107789051A (en) | 2016-08-30 | 2016-08-30 | A kind of catheter pressure detection method, and corresponding conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107789051A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431595A (en) * | 2019-01-28 | 2019-03-08 | 上海导向医疗系统有限公司 | The flexible freezing ablation needle device of low temperature resistant high pressure |
| CN114668502A (en) * | 2022-03-23 | 2022-06-28 | 上海微创微航机器人有限公司 | Catheter shape and force sensing method, surgical navigation method and interventional operation system |
| 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 |
| WO2023179339A1 (en) * | 2022-03-23 | 2023-09-28 | 上海微创微航机器人有限公司 | Catheter shape and force sensing method, surgical navigation method, and interventional operation system |
| CN117100381A (en) * | 2023-10-23 | 2023-11-24 | 心航路医学科技(广州)有限公司 | Balloon catheter leaning pressure detection method and balloon catheter ablation system |
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| US6063022A (en) * | 1997-01-03 | 2000-05-16 | Biosense, Inc. | Conformal catheter |
| US6272371B1 (en) * | 1997-01-03 | 2001-08-07 | Biosense Inc. | Bend-responsive catheter |
| CN101416874A (en) * | 2007-10-08 | 2009-04-29 | 韦伯斯特生物官能公司 | Catheter with pressure sensing |
| CN101780303A (en) * | 2008-12-03 | 2010-07-21 | 韦伯斯特生物官能公司 | High-sensitivity pressure-sensing probe |
| CN102090924A (en) * | 2009-12-11 | 2011-06-15 | 韦伯斯特生物官能(以色列)有限公司 | Pre-formed curved ablation catheter |
| CN103800017A (en) * | 2012-11-08 | 2014-05-21 | 上海微创电生理医疗科技有限公司 | Device and method for detecting contact pressure between catheter and tissue |
| 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 |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6063022A (en) * | 1997-01-03 | 2000-05-16 | Biosense, Inc. | Conformal catheter |
| US6272371B1 (en) * | 1997-01-03 | 2001-08-07 | Biosense Inc. | Bend-responsive catheter |
| CN101416874A (en) * | 2007-10-08 | 2009-04-29 | 韦伯斯特生物官能公司 | Catheter with pressure sensing |
| CN101780303A (en) * | 2008-12-03 | 2010-07-21 | 韦伯斯特生物官能公司 | High-sensitivity pressure-sensing probe |
| CN102090924A (en) * | 2009-12-11 | 2011-06-15 | 韦伯斯特生物官能(以色列)有限公司 | Pre-formed curved ablation catheter |
| CN103800017A (en) * | 2012-11-08 | 2014-05-21 | 上海微创电生理医疗科技有限公司 | Device and method for detecting contact pressure between catheter and tissue |
| 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 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431595A (en) * | 2019-01-28 | 2019-03-08 | 上海导向医疗系统有限公司 | The flexible freezing ablation needle device of low temperature resistant high pressure |
| CN109431595B (en) * | 2019-01-28 | 2019-04-26 | 上海导向医疗系统有限公司 | The flexible freezing ablation needle device of low temperature resistant high pressure |
| 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 |
| CN114668502A (en) * | 2022-03-23 | 2022-06-28 | 上海微创微航机器人有限公司 | Catheter shape and force sensing method, surgical navigation method and interventional operation system |
| WO2023179339A1 (en) * | 2022-03-23 | 2023-09-28 | 上海微创微航机器人有限公司 | Catheter shape and force sensing method, surgical navigation method, and interventional operation system |
| CN117100381A (en) * | 2023-10-23 | 2023-11-24 | 心航路医学科技(广州)有限公司 | Balloon catheter leaning pressure detection method and balloon catheter ablation system |
| CN117100381B (en) * | 2023-10-23 | 2024-01-19 | 心航路医学科技(广州)有限公司 | Balloon catheter leaning pressure detection method and balloon catheter ablation system |
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Application publication date: 20180313 |
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