CN209404936U - The cryoablation foley's tube of mapping function can be achieved - Google Patents
The cryoablation foley's tube of mapping function can be achieved Download PDFInfo
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- CN209404936U CN209404936U CN201821470795.2U CN201821470795U CN209404936U CN 209404936 U CN209404936 U CN 209404936U CN 201821470795 U CN201821470795 U CN 201821470795U CN 209404936 U CN209404936 U CN 209404936U
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- tube
- flexible strip
- mapping
- distal end
- inner tube
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Abstract
The utility model discloses a kind of cryoablation foley's tubes of achievable mapping function, including flexible conduit axle unit, for abutting the balloon units of pulmonary vein entrance, for detecting the mapping unit and conduction unit of pulmonary vein electric signal, the flexible conduit axle unit includes outer tube and the inner tube for wearing the outer tube, the balloon units are in mesh basket shape and more flexible strips being circumferentially uniformly arranged including opposite said inner tube, the two neighboring flexible strip is spaced apart, the proximal end of the every flexible strip connects the distal end of the outer tube, distal end connects the distal end of said inner tube, said inner tube is moved along the axis direction of the outer tube to drive the flexible strip in stretching or evagination state, a gap for flexible strip deformation is formed between the distal end and the conduction unit of the every flexible strip.The utility model at least has the following advantages: can be realized high density, high-precision mapping, success rate, the monitoring rate of mapping are improved.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of cryoablation balls of achievable mapping function
Ductus bursae.
Background technique
Assembling ablation is used for many medical procedures to treat patient, and ablation can be performed to remove the non-of such as cancer cell
Required tissue alsos relate to and changes tissue without removal.Ablation is often through by the energy of such as electric energy
Amount is transmitted through one or more electrodes, causes the tissue contact with electrode to be heated to melting temperature and execute, but can also be sharp
It is executed with cryoablation conduit freezing tissue.
Although sacculus is used for cryoablation technology, and there are remarkable advantages, it is usually present associated disadvantage.City first
The distal end of mapping catheter on field is mostly cyclic structure, and the main body cyclic structure of mapping catheter is equipped with several mapping electrodes, leads to
Mapping electrodes record pulmonary vein electric signal is crossed, and pulmonary vein is frequently not the ring structure of standard, this results in some mapping electricity
Pole cannot contact well with vein and record electric signal.When secondly using cyclic annular mapping catheter, need the remote of mapping catheter
End, which extends, exceeds sacculus certain length, i.e. mapping electrodes can only record the electric signal in pulmonary vein, and the telecommunications on the inside of pulmonary vein
Number monitoring rate is lower, and monitoring effect is poor.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of cryoablation foley's tube of achievable mapping function,
It can be realized high density, high-precision mapping, improve success rate, the monitoring rate of mapping.
In order to solve the above-mentioned technical problem, the utility model provides a kind of cryoablation sacculus of achievable mapping function
Including flexible conduit axle unit, flexible conduit axle unit one end is arranged in and the ball for abutting pulmonary vein entrance in conduit
Capsule unit is arranged on balloon units for detecting the mapping unit of pulmonary vein electric signal and wearing the conduction of the balloon units
Unit, the flexible conduit axle unit include outer tube and the inner tube for wearing the outer tube, and the outer tube and inner tube all have distal end
And proximal end, the balloon units are adjacent in mesh basket shape and more flexible strips being circumferentially uniformly arranged including opposite said inner tube
Two flexible strips are spaced apart, and the proximal end of the every flexible strip connects the distal end of the outer tube, distal end connection institute
State the distal end of inner tube, said inner tube is moved along the axis direction of the outer tube to drive the flexible strip in stretching or outer gibbosity
State forms a gap for flexible strip deformation between the distal end and the conduction unit of the every flexible strip.
Further, the mapping unit includes the multiple mapping electrodes being arranged on the flexible strip outer wall, connection institute
State the conducting wire of mapping electrodes, the relatively described flexible strip protrusion of the mapping electrodes.
Further, the distal end of the flexible strip, the electricity of mapping described in wherein at least one is arranged in the mapping electrodes
Pole is arranged at the curved outermost point of the flexible strip.
Further, the wire duct worn for the conducting wire is offered on the outer tube.
Further, the conduction unit includes the outer sacculus of interior sacculus, the socket interior sacculus, the outer sacculus and institute
State the cooperation of flexible strip shape.
Further, the gap offered on the outer tube for being formed between internal sacculus and outer sacculus is vacuumized
Vacuum pipe.
Further, injection-tube is provided between the outer tube and inner tube, the interior ball is protruded into the distal end of the injection-tube
In the cavity of capsule.
Further, it is provided with temperature sensor in the interior sacculus, the default value of the temperature sensor is subzero
70 DEG C to subzero 40 DEG C.
Further, the outer tube and inner tube are all made of PEBAX or PA material, and volume is embedded in the outer tube and inner tube
Knit silk.
By above-mentioned technical proposal, the utility model at least has the following advantages: by being provided with more flexible strips, needle
To the orifices of pulmonary veins of different shape and size, each flexible strip can paste orifices of pulmonary veins well；The flexible strip
There is also gaps with the distal end of outer sacculus, further increase the freedom degree of flexible strip, so that adhibition is improved, it is described flexible long
It is provided with several mapping electrodes on item, more electric signals can be extracted, realizes high density mapping；Mapping electrodes convex is set
It sets, further increases adhibition, to improve the success rate and accuracy of mapping.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the balloon units structural schematic diagram of the utility model；
Fig. 3 is the part-structure sectional view of the utility model.
In the figures above: 1, outer tube；2, inner tube；3, flexible strip；4, gap；5, mapping electrodes；6, wire duct；7, interior
Sacculus；8, outer sacculus；9, vacuum pipe；10, injection-tube.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
In conjunction with shown in Fig. 1 to Fig. 3, the utility model discloses a kind of cryoablation sacculus of achievable mapping function to lead
Including flexible conduit axle unit, flexible conduit axle unit one end is arranged in and the sacculus for abutting pulmonary vein entrance in pipe
Unit is arranged on balloon units for detecting the mapping unit of pulmonary vein electric signal and wearing the conduction list of the balloon units
Member.In the utility model, the flexible conduit axle unit includes outer tube 1 and the inner tube 2 for wearing the outer tube 1,1 He of outer tube
Inner tube 2 all has proximally and distally, wherein being distal end close to the side of balloon units, the side far from the balloon units is close
End.In the utility model, the preferably described outer tube 1 and inner tube 2 are all made of PEBAX or PA material, and the outer tube 1 and interior
Braided wires are embedded in pipe 2, fold resistance can be effectively improved.
The balloon units are in mesh basket shape and more flexible strips 3 being circumferentially uniformly arranged including opposite said inner tube, phase
Adjacent two flexible strips 3 are spaced apart, and the proximal end of the every flexible strip 3 connects the distal end of the outer tube 1, distally connects
The distal end of said inner tube 2 is connect, it is in stretch that said inner tube 2, which is moved along the axis direction of the outer tube 1 to drive the flexible strip 3,
Or evagination state.By being provided with more flexible strips 3, for the orifices of pulmonary veins of different shape and size, each flexible strip 3
Orifices of pulmonary veins can be pasted well.One is formed between the distal end and the conduction unit of the every flexible strip 3 to be used for
The gap 4 of the flexible strip deformation.By the way that there are gaps 4, the freedom degree of flexible strip 3 is further increased, to improve patch
By property.In the utility model, the preferably described flexible strip 3 is using the cutting of NiTi tubing and heat treatment shaping forms, described soft
Property strip 3 is provided with 10-12 group.
In the utility model, the mapping unit include the multiple mapping electrodes 5 being arranged on 3 outer wall of flexible strip,
Connect the conducting wire of the mapping electrodes 5, relatively described 3 protrusion of flexible strip of the mapping electrodes 5.The mapping electrodes 5 are arranged
In the distal end of the flexible strip 3, the setting of mapping electrodes 5 described in wherein at least one is curved outermost in the flexible strip 3
At point.By being provided with several mapping electrodes 5, more electric signals can be extracted, realize high density mapping；Mapping electrodes 5 are convex
Shape setting is played, adhibition is further increased, to improve the success rate and accuracy of mapping.In the utility model, preferably institute
State the wire duct 6 for offering on outer tube 2 and wearing for the conducting wire.In the utility model, the mapping electrodes 5 are in disk knot
Structure, using platinoiridita material.
In the utility model, the conduction unit includes the outer sacculus 8 of interior sacculus 7, the socket interior sacculus 7, described outer
Sacculus 8 and 3 shape of flexible strip cooperate.In the utility model, the preferably described interior sacculus 7 and outer sacculus 8 using PA or
PEBAX or PU or PET material.The gap for being formed between internal sacculus 7 and outer sacculus 8 is offered on the outer tube 1 to carry out
The vacuum pipe 9 vacuumized.By carrying out vacuumize process, interior sacculus 7 can preferably be made to be close to outer sacculus 8, Neng Gouyou
Effect ground guarantees preferably conductivity.Injection-tube 10 is provided between the outer tube 1 and inner tube 2, the distal end of the injection-tube 10 is stretched
In the cavity for entering the interior sacculus 7.Temperature sensor, the default value of the temperature sensor are provided in the interior sacculus 7
At subzero 70 DEG C to subzero 40 DEG C.
The working principle of the utility model, comprising the following steps:
Step 1: the introducing of cryoablation foley's tube specifically includes: flexible strip 3 is pushed at orifices of pulmonary veins, this
In the process, completely out said inner tube 2, so that the flexible strip 3, interior sacculus 7, outer sacculus 8 are to stretch restrained condition；Directly
To the operation to orifices of pulmonary veins of flexible strip 3, said inner tube of pulling back 2, so that the flexible strip 3, which is unfolded, pastes orifices of pulmonary veins；
Step 2: filling frozen gas blocks electrical conduction signal to realize the electric isolution of orifices of pulmonary veins, specifically includes: passing through
The injection-tube 10 injects frozen gas into the interior sacculus 7, so that the interior sacculus 7 and outer sacculus 8 are in expanded state, into
And flexible strip 3 reclines completely with orifices of pulmonary veins, the mapping electrodes 5 record the electric signal of orifices of pulmonary veins, the freezing gas
Body persistently injects interior sacculus 7, reduces tissue temperature at orifices of pulmonary veins by conduction, causes tissue necrosis, until blocking pulmonary vein
Electrical conduction signal at mouthful.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (9)
1. a kind of cryoablation foley's tube of achievable mapping function, which is characterized in that including flexible conduit axle unit, setting
In flexible conduit axle unit one end and it is used to abut the balloon units of pulmonary vein entrance, setting on balloon units for examining
It surveys the mapping unit of pulmonary vein electric signal and wears the conduction unit of the balloon units, the flexible conduit axle unit includes outer
Manage and wear the inner tube of the outer tube, the outer tube and inner tube all have proximally and distally, the balloon units in mesh basket shape and
Including the more flexible strips that opposite said inner tube is circumferentially uniformly arranged, the two neighboring flexible strip is spaced apart, and every
The proximal end of the flexible strip connects the distal end of the distal end of the outer tube, distal end connection said inner tube, and said inner tube is along described outer
The axis direction movement of pipe is to drive the flexible strip in stretching or evagination state, distal end and the institute of the every flexible strip
It states and forms a gap for flexible strip deformation between conduction unit.
2. the cryoablation foley's tube of achievable mapping function as described in claim 1, which is characterized in that the mapping list
Member includes the conducting wire of the multiple mapping electrodes being arranged on the flexible strip outer wall, the connection mapping electrodes, the mapping electricity
The extremely relatively described flexible strip protrusion.
3. the cryoablation foley's tube of achievable mapping function as claimed in claim 2, which is characterized in that the mapping electricity
The distal end of the flexible strip is arranged in pole, and the setting of mapping electrodes described in wherein at least one is curved most in the flexible strip
At exterior point.
4. the cryoablation foley's tube of achievable mapping function as claimed in claim 2, which is characterized in that on the outer tube
Offer the wire duct worn for the conducting wire.
5. the cryoablation foley's tube of achievable mapping function as described in claim 1, which is characterized in that the conduction is single
Member includes the outer sacculus of interior sacculus, the socket interior sacculus, and the outer sacculus and the flexible strip cooperate.
6. the cryoablation foley's tube of achievable mapping function as claimed in claim 5, which is characterized in that on the outer tube
Offer the vacuum pipe that the gap for being formed between internal sacculus and outer sacculus is vacuumized.
7. the cryoablation foley's tube of achievable mapping function as claimed in claim 5, which is characterized in that the outer tube with
Injection-tube is provided between inner tube, the distal end of the injection-tube is protruded into the cavity of the interior sacculus.
8. the cryoablation foley's tube of achievable mapping function as claimed in claim 5, which is characterized in that the interior sacculus
It is inside provided with temperature sensor, the default value of the temperature sensor is at subzero 70 DEG C to subzero 40 DEG C.
9. the cryoablation foley's tube of achievable mapping function as described in claim 1, which is characterized in that the outer tube and
Inner tube is all made of PEBAX or PA material, and is embedded with braided wires in the outer tube and inner tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821470795.2U CN209404936U (en) | 2018-09-10 | 2018-09-10 | The cryoablation foley's tube of mapping function can be achieved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821470795.2U CN209404936U (en) | 2018-09-10 | 2018-09-10 | The cryoablation foley's tube of mapping function can be achieved |
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| Publication Number | Publication Date |
|---|---|
| CN209404936U true CN209404936U (en) | 2019-09-20 |
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| CN201821470795.2U Active CN209404936U (en) | 2018-09-10 | 2018-09-10 | The cryoablation foley's tube of mapping function can be achieved |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009407A (en) * | 2018-09-10 | 2018-12-18 | 科塞尔医疗科技（苏州）有限公司 | The cryoablation foley's tube and method of mapping function can be achieved |
| WO2022001908A1 (en) * | 2020-06-28 | 2022-01-06 | 杭州德诺电生理医疗科技有限公司 | Ablation device and ablation system |
| WO2022212849A3 (en) * | 2021-04-01 | 2022-11-10 | Cardiofocus, Inc. | Deployable structures to provide electrodes on the surface of an endoscopically guided laser ablation catheter |
-
2018
- 2018-09-10 CN CN201821470795.2U patent/CN209404936U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009407A (en) * | 2018-09-10 | 2018-12-18 | 科塞尔医疗科技（苏州）有限公司 | The cryoablation foley's tube and method of mapping function can be achieved |
| WO2022001908A1 (en) * | 2020-06-28 | 2022-01-06 | 杭州德诺电生理医疗科技有限公司 | Ablation device and ablation system |
| WO2022212849A3 (en) * | 2021-04-01 | 2022-11-10 | Cardiofocus, Inc. | Deployable structures to provide electrodes on the surface of an endoscopically guided laser ablation catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211102 Address after: Room 201-2, building 6, No. 8, Jinfeng Road, science and Technology City, high tech Zone, Suzhou, Jiangsu 215000 Patentee after: Suzhou Haiyu Xinchen Medical Technology Co.,Ltd. Address before: 3 / F, building 6, No.8, Jinfeng Road, high tech Zone, Suzhou, Jiangsu 215000 Patentee before: KOSSEL MEDTECH (SUZHOU) CO.,LTD. |
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| TR01 | Transfer of patent right |