CN207693670U - A kind of electroded Cryoablation system - Google Patents
A kind of electroded Cryoablation system Download PDFInfo
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- CN207693670U CN207693670U CN201720671253.0U CN201720671253U CN207693670U CN 207693670 U CN207693670 U CN 207693670U CN 201720671253 U CN201720671253 U CN 201720671253U CN 207693670 U CN207693670 U CN 207693670U
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Abstract
The utility model is related to a kind of electroded Cryoablation systems, including low-temperature receiver generator assembly, electrode control assembly, cryoablation component and Stent assembly, Stent assembly includes expansion elements, control unit, multiple electrodes, multiple conducting wires, electrode is arranged on the outer surface of expansion elements, the distal end of each wire is electrically connected with each electrode respectively, the proximal end of conducting wire is connect with electrode control assembly, operation control unit can realize opening or the contraction of expansion elements, electrode control assembly includes mapping signal feedback system, cryoablation component includes freezing unit, supply unit and freezing handle, the proximal end of freezing unit is fixedly connected with the distal end of supply unit, supply unit is connect proximally by freezing handle with low-temperature receiver generator assembly, so that low-temperature receiver is transported to freezing unit.The system merges ablation catheter and mapping catheter function, and uses radio frequency rewarming, reduces the time of rewarming.
Description
Technical field
The utility model is related to cryoablation medical instruments fields, and in particular to a kind of electroded Cryoablation system.
Background technology
In cryoablation field, ablation 2-3 times is needed using the cryoablation operation of existing product, ablation every time is completed
After be required for doctor using mapping catheter detection target tissue whether there is also aberrant electrical signals, to determine the need for disappearing again
Melt, it is therefore desirable to while using ablation catheter and mapping catheter.The step of cryoablation conduit is used together with mapping catheter is logical
Chang Shi：First, it is evaporated by the heat absorption of liquid refrigerant, takes away tissue heat, made the reduction of target ablation spot temperature, destroy different
The cell tissue of normal electro physiology, to reduce the not normal risk of electro physiology；Then, by being pierced by from cryoablation catheter interior
Electrophysiological mapping conduit detects whether cryoablation has interrupted the aberrant electrical signals in the tissue, to determine whether
Cryoablation is carried out again.Relatively far away from, test signal is or not tissue due to Electrophysiological mapping conduit apart from abnormal electro physiology
Accurately, and doctor is also needed to after the completion of freezing operate mapping catheter every time, surgical procedure is complicated cumbersome and operation equipment is more,
And the rewarming of cryoablation conduit is to also increase operation duration by the way of nature rewarming.For example, United States Patent (USP)
US2012/0165803 A1 disclose a kind of conduit, are equipped with mapping electrodes in balloon surface, can monitor electricity by electrode
Physiology model, but conduit has freezed every time, is required for washing away progress nature rewarming by blood, rewarming time is longer, in turn
Cause organ ischemia's time long.
Accordingly, it is desirable to provide one kind can cryoablation target tissue and mapping target tissue whether there is aberrant electrical signals,
And the cryoablation conduit of ablative surgery time can be shortened.
Invention content
In view of the drawbacks described above of the prior art, the purpose of this utility model is to provide a kind of electroded cryoablation system
System, the system merge ablation catheter and mapping catheter function, and use radio frequency rewarming, reduce the time of rewarming.
The purpose of this utility model is achieved through the following technical solutions：
A kind of electroded Cryoablation system, the Cryoablation system include low-temperature receiver generator assembly, electrode control
Component, cryoablation component and Stent assembly, the Stent assembly include expansion elements, control unit, multiple electrodes, more lead
Line, the electrode are arranged on the outer surface of the expansion elements, the distal end of the every conducting wire respectively with each electrode
Electrical connection, the proximal end of the conducting wire are connect with the electrode control assembly, and operation described control unit can realize the expansion
The opening of unit or contraction, the electrode control assembly include mapping signal feedback system, and the cryoablation component includes
Freezing unit, supply unit and freezing handle, the proximal end of the freezing unit are fixedly connected with the distal end of the supply unit, institute
Being connect with the low-temperature receiver generator assembly proximally by the freezing handle for supply unit is stated, it is described so that low-temperature receiver to be transported to
Freezing unit.
The purpose of this utility model can also further realize by the following technical programs：
Preferably, the expansion elements are sacculus, and the electrode is laminated structure, and the electrode is arranged on the sacculus
Outer surface, described control unit is tube body, injects liquid or gas to the inside of the sacculus by the tube chamber of the tube body
To realize the expansion of the sacculus.
Preferably, the expansion elements are sacculus, and the low-temperature receiver sent out from the low-temperature receiver generator assembly passes through the freezing
Unit flows into the balloon interior, to realize the expansion of the sacculus.
It is furthermore preferred that the freezing unit is arranged on the inside of the sacculus or the freezing unit is arranged on
The proximal end of the sacculus.
Preferably, the expansion elements are mesh basket structure, and the electrode is fixed on the grid or bar of the mesh basket structure
On, described control unit is rod-shaped or tubular structure, and mobile described control unit can realize the expansion of the mesh basket structure.
It is furthermore preferred that the freezing unit is arranged on the inside of the mesh basket structure.
It is furthermore preferred that the mesh basket structure is arranged on the distal end of the freezing unit.
Preferably, described control unit is arranged on the inside of the supply unit.
Preferably, the conducting wire is arranged on the inside of the supply unit.
Preferably, the exchange of the control of electrode the control assembly radio-frequency enabled and mapping function.
Compared with the existing technology, the utility model has the advantage of：
1, a kind of electroded Cryoablation system of the utility model combines the function of ablation catheter and mapping catheter
Together, in Clinical practice, reduce the surgical apparatus of doctor's operation, reduce operating time, alleviates patient's pain
Chu.
2, the Cryoablation system of the utility model possesses simultaneously for freezing and radio frequency rewarming function, reduces rewarming
Time, and mapping function and radio-frequency enabled can be interchangeable by the operation of electrode control assembly.Relative to possessing mapping work(
The conduit of energy, the utility model conduit rewarming time is fast, reduces operating time；Relative to the conduit for possessing radio-frequency enabled, originally
Utility model conduit possesses mapping function, reduces the operation and use of surgical instrument.
Description of the drawings
Fig. 1 is the general structure schematic diagram of Cryoablation system described in the utility model.
Fig. 2 is the distal portions enlarged drawing of Cryoablation system described in the utility model, and wherein expansion elements are sacculus, cold
Jelly unit is spiral winding structure.
Fig. 3 is the sectional view intercepted along line A-A shown in Fig. 2.
Fig. 4 is showing for the distal end that the electrode in Cryoablation system described in the utility model is arranged on the expansion elements
It is intended to.
Fig. 5 is that the expansion elements of Cryoablation system described in the utility model are arranged on the structure of freezing unit distal end and show
It is intended to.
Fig. 6 is that the expansion elements in Cryoablation system described in the utility model are sacculus, and refrigerated source is directly injected into
The structural schematic diagram of balloon interior.
Fig. 7 is the sectional view intercepted along line B-B shown in fig. 6.
Fig. 8 is the distal portions enlarged drawing of another embodiment of Cryoablation system described in the utility model, wherein expanding
Zhang Danyuan is mesh basket structure, and freezing unit is spiral winding structure.
Fig. 9 is the sectional view intercepted along line C-C shown in Fig. 8.
Figure 10 is that the expansion elements of Cryoablation system described in the utility model are arranged on the structure of freezing unit distal end
Schematic diagram, wherein expansion elements are mesh basket structures, and freezing unit is spiral winding structure.
Figure 11 is that the freezing unit of Cryoablation system described in the utility model is the distal portions enlarged drawing of mesh basket structure.
Figure 12 is the sectional view of the line D-D interception shown in Figure 11.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, develop simultaneously implementation referring to the drawings
The utility model is further described in example.
Distal end described in the utility model refers to one end far from the apex of the heart, and the proximal end refers to one end close to the apex of the heart.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, a kind of electroded Cryoablation system 100, the system include low-temperature receiver generator group
Part 110, electrode control assembly 120, cryoablation component 130 and Stent assembly.The Stent assembly include expansion elements 141,
Control unit 142, multiple electrodes 143 and multiple conducting wires 144, the expansion elements 141 are sacculus, and the electrode 143 is set
In the outer surface of the sacculus, the distal end of the every conducting wire 144 is electrically connected with each electrode 143 respectively, the conducting wire
144 proximal end is connect with the electrode control assembly 120, and operation described control unit 142 can realize that the expansion is 141 yuan single
Opening or contraction.The electrode control assembly 120 includes mapping signal feedback system, the mapping signal feedback system packet
Mapping signal processor 1211, radio-frequency signal generator 1212 and chromacoder 1213 are included, the chromacoder 1213 divides
It is not connect with mapping signal processor 1211 and 1212 electric signal of radio-frequency signal generator.The cryoablation component 130 includes freezing
Unit 131, supply unit 132 and freezing handle 133, the distal end of the proximal end of the freezing unit 131 and the supply unit 132
It being fixedly connected, the supply unit 132 is connect proximally by the freezing handle 133 with the low-temperature receiver generator assembly 110,
So that the freezing unit will be arrived described in low-temperature receiver.
As shown in Fig. 2, the supply unit 132 includes adiabatic lumen 1321 and circulation loop 1322.144 quilt of the conducting wire
Setting is in the adiabatic lumen 1321.Described control unit 142 is tube body, and described control unit 142 is arranged on described exhausted
In hot lumen 1321, the distal end of described control unit 142 is arranged in the expansion elements 141, described control unit 142
Proximal end is tightly connected with the freezing handle 133.The circulation loop 1322 is arranged in the adiabatic tube chamber 1321, described
The distal seal of adiabatic tube chamber 1321 is fixed on the circulation loop 1322, and the distal end of the circulation loop 1322 and freezing are single
Member 131 connects, and the freezing unit 131 is spiral winding structure 13221, and the spiral winding structure 13221 is arranged on institute
It states in expansion elements 141, the circulation loop 1322 is proximally by the freezing handle 133 and the low-temperature receiver generator assembly
110 connections, in one embodiment, the freezing handle 133 is snapped connection with low-temperature receiver generator assembly 110.
The distal end of the conducting wire 144 is connect with 143 electric signal of the electrode, the conducting wire 144 proximally by described cold
Freeze handle 133 to connect with the chromacoder 1213, in one embodiment, the freezing handle 133 turns with signal
Changing device 1213 snaps connection.
Freezing handle 133 is snapped connection with chromacoder 123 and freezing generator assembly 110 respectively, doctor's operation
Handle 133 makes expansion elements 141 reach target tissue site, by the pipe for the control unit 142 being tightly connected with freezing handle 133
Chamber 1421 injects liquid, and liquid enters expansion elements 141 by tube chamber 1421, as the balloon inflation of expansion elements 141, with tight
Paste target tissue.
Doctor operates electrode control assembly 120, and chromacoder 1213 is made to connect mapping signal processor 1211, target group
Signal is knitted from the electrode 143 being arranged in sacculus outer surface, mapping signal is transferred to by conducting wire 144 and chromacoder 1213
Processor 1211, doctor judges whether the target tissue needs cryoablation by mapping signal, when needing cryoablation, opens
Freezing, low-temperature receiver generator assembly 110 generate low-temperature receiver, and low-temperature receiver enters circulation loop 1322, in 131 (i.e. spiral winding of freezing unit
Structure 13211) at energy release, be rapidly frozen target tissue, after the completion of freezing, open rewarming, by chromacoder 1213
It is connect with mapping signal processor 1211 and is converted to chromacoder 1213 and is connect with radio-frequency signal generator 1212, radio-frequency signal generator
1212 send out high-frequency current, and electric current is transferred to electrode 143 by chromacoder 1213 and conducting wire 144, and electrode 143 quickly rises
Temperature, melt ice hockey, greatly accelerate the time of rewarming, when rewarming complete, close rewarming, then by chromacoder 1213 with penetrate
The connection of frequency generator 122 reverts to chromacoder 1213 and is connect with mapping signal processor 1211, and electrode 143 continues to feed back
Mapping signal, doctor judge whether target tissue also needs to continue to freeze by mapping signal, if you do not need to freezing, then extract out
Liquid in sacculus, blood flow reply flowing.
The electroded Cryoablation system of the utility model possesses freezing, mapping and radio-frequency enabled, and conduit passes through freezing
Target tissue, cell of freezing to death reduce the bloodstream blocking time by mapping functional test target tissue signal by radio frequency rapid rewarming.
Embodiment 2
Compared with embodiment 1, embodiment 2 the difference is that：As shown in figure 4, electrode 143 is arranged on expansion elements
141 distal end, expansion elements 141 are by distally come the target tissue that reclines, in the refrigerating process of atrial fibrillation, expansion elements 141 it is remote
Hold the pulmonary vein that reclines, 143 mapping electricity physiological signal of electrode, to determine whether needing to freeze.
When doctor, which operates the expansion elements 141, reaches orifices of pulmonary veins, doctor with freezing handle 133 by being tightly connected
142 tube chamber of described control unit inject liquid, liquid enters expansion elements 141 by tube chamber, and expansion elements 141 are tight after expanding
Orifices of pulmonary veins is pasted, and blood flow is blocked.
Doctor operates electrode control assembly 120, and chromacoder 1213 is made to connect mapping signal processor 1211, target group
Signal is knitted from the electrode 143 being arranged in 141 distal outer surface of expansion elements, is passed by conducting wire 144 and chromacoder 1213
Defeated to arrive mapping signal processor 1211, doctor judges whether the target tissue needs cryoablation by mapping signal, cold when needing
When freezing ablation, freezing is opened, low-temperature receiver generator assembly 110 generates low-temperature receiver, and low-temperature receiver enters circulation loop 1322, in spiral winding knot
Energy discharges at structure 13221, is rapidly frozen target tissue, after the completion of freezing, chromacoder 1213 and mapping signal processing
The connection of device 1211 is converted to chromacoder 1213 and is connect with radio-frequency signal generator 1212, and radio-frequency signal generator 1212 sends out high-frequency electrical
Stream, electric current are transferred to electrode 143 by chromacoder 1213 and conducting wire 144, and electrode 143 is rapidly heated, and melt ice hockey, greatly
The big time for accelerating rewarming, when rewarming is completed, chromacoder 1213 is connect by closing rewarming with radio-frequency signal generator 122
It reverts to chromacoder 1123 to connect with mapping signal processor 121, electrode 143 continues to feed back mapping signal, Yi Shengtong
Mapping signal is crossed to judge whether target tissue also needs to continue to freeze, if you do not need to freezing, then extract liquid in expansion elements 141 out
Body, blood flow reply flowing.
Embodiment 3
Compared with embodiment 1, embodiment 3 the difference is that：As shown in figure 5, expansion elements 141 are arranged on freezing
The proximal end of the distal end of unit 131, the expansion elements is fixedly connected with the distal end of control unit 142.During rewarming, blood flow
The ice hockey formed around freezing unit 131 can be directly washed away, realizes rapid rewarming, reduces blood flow blocking time.
When doctor operates the remote location that expansion elements 141 reach target tissue, doctor with the freezing sealing of handle 133 by connecting
The lumen of the control unit 142 connect injects liquid into expansion elements 141, and expansion elements 141 expand the distal end for being close to target tissue,
Blood flow is blocked, then low-temperature receiver is transported to freezing unit 131 with cryoablation target tissue.
Embodiment 4
Compared with embodiment 1, embodiment 4 the difference is that：As shown in fig. 6, circulation loop 1322 includes air inlet pipe
13222 and muffler 13223, it is single that the distal end of the air inlet pipe 13222 and the muffler 13223 is arranged on the expansion
In member 141, and it is in fluid communication with the expansion elements 141, directly low-temperature receiver is ejected into expansion elements 141, realizes fast quickly cooling
Freeze.
As shown in fig. 7, the circulation loop 1322 includes air inlet pipe 13222 and muffler 13223, the air inlet pipe
13222 and the major part of muffler 13223 be set in adiabatic tube chamber 1321, the air inlet pipe 13222 and the muffler
13223 connect with low-temperature receiver generator assembly 110 proximally by the freezing handle 133.
When doctor, which operates expansion elements 141, reaches target tissue site, gas at normal temperature, the low-temperature receiver generator assembly are opened
110 generate gas at normal temperature, and the gas at normal temperature is ejected by air inlet pipe 13222 in expansion elements 141, the expansion elements
141 expansions, are adjacent to target tissue, and electrode 143 receives target tissue signal, and doctor judges whether to need to freeze by mapping signal, need
When freezing, closes gas at normal temperature and evacuate expansion elements 141, be then turned on freezing, the low-temperature receiver generator assembly 110 generates cold
Source, the low-temperature receiver 1101 are ejected by air inlet pipe 13222 in expansion elements 141, and the expansion elements 141 expand, and quickly
Cooling freezes target tissue, and the low-temperature receiver is flowed back by muffler 13223 in the low-temperature receiver generator assembly 110, when freezing is tied
Shu Hou closes freezing procedure, opens rewarming, and the electrode 143 generates high temperature, and fast melt ice hockey is closed after the completion of rewarming
Rewarming, the electrode 143 test target tissue signal, and doctor judges it is cold whether target tissue also needs to continue by mapping signal
Freeze, if you do not need to freezing, evacuates expansion elements 141, terminates operation or be moved to other target tissue continual cures.
Embodiment 5
Compared with embodiment 1, embodiment 5 the difference is that：As shown in figure 8, the expansion elements 141 are mesh basket knot
Structure, the electrode 143 are fixed in expansion elements 141, and the freezing unit 131 is arranged on inside expansion elements 141, described
Control unit 142 is push rod, and the distal end of the expansion elements 141 is fixedly connected at the distal end of described control unit 142, described
The proximal end of expansion elements 141 is fixedly connected on the adiabatic lumen 1321.
As shown in figure 9, the thermal insulation lumen 1321 is multi-lumen tube structure, described control unit 142 is arranged on described exhausted
It can move freely in hot lumen 1321 and in 1321 tube chamber of adiabatic lumen.
When expansion elements 141 are moved to target tissue, doctor pull described control unit 142, described control unit 142 to
When proximal end is moved, since the distal end of the expansion elements 141 is fixed on the distal end of described control unit 142, and the insulation chambers
Pipe 1321 is fixedly connected with the proximal end of the expansion elements 141, so the distal end of the expansion elements 141 moves proximally to, by
It is compressed in both ends, the expansion elements 141 are swelled, and are adjacent to target tissue, are passed through the electrode 143 being fixed in expansion elements 141
Mapping signal is tested, is determined after needing to freeze, freezing is opened, rewarming after freezing tests mapping signal, and doctor judges whether
It needs to freeze, if you do not need to freezing, then push control unit 142, described control unit 142 is mobile to distal end, the expansion
Unit 141 leaves target tissue.
Expansion elements 141 are mesh basket structure, easy to control, do not need other gases or liquid expands, increase peace
Quan Xing.
Embodiment 6
Compared with embodiment 5, embodiment 6 the difference is that：As shown in Figure 10, the expansion elements 141 are set
In the distal end of the freezing unit 131.
When the freezing unit 131 is moved to target tissue site, the expansion elements 141 are moved to the target tissue
Distally, doctor pulls described control unit 142, when described control unit 142 moves proximally to, due to the expansion elements 141
Distal end be fixed on the distal end of described control unit 142, and the adiabatic lumen 1321 and the proximal end of the expansion elements 141 are solid
Fixed connection, so the distal end of the expansion elements 141 moves proximally to, since both ends are compressed, the expansion elements 141 are grand
It rises, is adjacent to target tissue, mapping signal is tested by the electrode 143 being fixed in expansion elements 141, determines after needing to freeze, opens
Freezing is opened, rewarming after freezing tests mapping signal, and doctor judges whether to need to freeze, if you do not need to freezing, then push
Control unit 142, described control unit 142 is mobile to distal end, and the expansion elements 141 leave target tissue.
Embodiment 7
Compared with embodiment 4, embodiment 7 the difference is that：The freezing unit 131 and the expansion elements
141 are structure as a whole, and the freezing unit 131 is made of the distal portions of the circulation loop 1322, and electrode 143 is directly pacified
On the distal portions of circulation loop 1322.
As is illustrated by figs. 11 and 12, the distal portions of the circulation loop 1322 are arranged to mesh basket structure, the electrode
143 are fixed in the mesh basket structure, and described control unit 142 is push rod, and the distal end of the mesh basket structure is single with the control
The distal end of member 142 is fixedly connected, and the circulation loop 1322 is connect proximally by handle 133 with low-temperature receiver generator assembly 110.
When freezing unit 131 is moved to target tissue site, doctor pulls described control unit 142, described control unit
142 move proximally to relative to freezing handle 133, since the distal end of the freezing unit 131 is fixed on described control unit 142
Distal end, and the freezing handle 133 is fixedly connected with the adiabatic lumen 1321, the distal end of the thermal insulation lumen 1321 and institute
It states circulation loop 1322 to be fixedly connected, the protuberance of the freezing unit 131 is close to target tissue, so as to cryoablation target tissue.
After freezing, described control unit 142, the freezing unit 131 is pushed to withdraw.
Finally it should be noted that the foregoing is merely the preferred embodiments of the utility model, not limiting
The utility model processed, all any modification, equivalent and improvement made within the spirit and principle of the present invention etc.,
It should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of electroded Cryoablation system, it is characterised in that：The Cryoablation system include low-temperature receiver generator assembly,
Electrode control assembly, cryoablation component and Stent assembly, the Stent assembly include expansion elements, control unit, Duo Ge electricity
Pole, multiple conducting wires, the electrode are arranged on the outer surface of the expansion elements, the distal end of the every conducting wire respectively with it is each
The electrode electrical connection, the proximal end of the conducting wire are connect with the electrode control assembly, and operation described control unit can be realized
The opening of the expansion elements or contraction, the electrode control assembly include mapping signal feedback system, the cryoablation
Component includes freezing unit, supply unit and freezing handle, and the proximal end of the freezing unit and the distal end of the supply unit are solid
Fixed connection, the supply unit are connect proximally by the freezing handle with the low-temperature receiver generator assembly, so as to by low-temperature receiver
It is transported to the freezing unit.
2. electroded Cryoablation system according to claim 1, it is characterised in that：The expansion elements are sacculus,
The electrode is laminated structure, and the electrode is arranged on the outer surface of the sacculus, and described control unit is tube body, passes through institute
The tube chamber for stating tube body injects liquid or gas to the inside of the sacculus to realize the expansion of the sacculus.
3. electroded Cryoablation system according to claim 1, it is characterised in that：The expansion elements are sacculus,
The low-temperature receiver sent out from the low-temperature receiver generator assembly flows into the balloon interior by the freezing unit, to realize the sacculus
Expansion.
4. electroded Cryoablation system according to claim 2 or 3, it is characterised in that：The freezing unit is set
It sets and is arranged on the proximal end of the sacculus in the inside of the sacculus or the freezing unit.
5. electroded Cryoablation system according to claim 1, it is characterised in that：The expansion elements are mesh basket knot
Structure, the electrode are fixed on the grid or bar of the mesh basket structure, and described control unit is rod-shaped or tubular structure, is moved
Dynamic described control unit can realize the expansion of the mesh basket structure.
6. electroded Cryoablation system according to claim 5, it is characterised in that：The freezing unit is arranged on
The inside of the mesh basket structure.
7. electroded Cryoablation system according to claim 5, it is characterised in that：The mesh basket structure is arranged on
The distal end of the freezing unit.
8. electroded Cryoablation system according to claim 1, it is characterised in that：Described control unit is arranged on
The inside of the supply unit.
9. electroded Cryoablation system according to claim 1, it is characterised in that：The conducting wire is arranged on described
The inside of supply unit.
10. electroded Cryoablation system according to claim 1, it is characterised in that：The electrode control assembly control
The exchange of radio-frequency enabled processed and mapping function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720671253.0U CN207693670U (en) | 2017-06-12 | 2017-06-12 | A kind of electroded Cryoablation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720671253.0U CN207693670U (en) | 2017-06-12 | 2017-06-12 | A kind of electroded Cryoablation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481001A (en) * | 2018-12-29 | 2019-03-19 | 天津美电医疗科技有限公司 | A kind of cryogenic liquid formula cryoablation equipment |
| CN109480998A (en) * | 2018-11-09 | 2019-03-19 | 宁波胜杰康生物科技有限公司 | A kind of expansible cryoablation conduit |
| CN111374751A (en) * | 2018-12-28 | 2020-07-07 | 上海微创电生理医疗科技股份有限公司 | Electrophysiology catheter and ablation system |
| CN111887971A (en) * | 2019-05-06 | 2020-11-06 | 张建强 | Three-dimensional mapping cryoablation device |
| CN113413206A (en) * | 2020-12-03 | 2021-09-21 | 上海商阳医疗科技有限公司 | Pulse and cryoablation integrated machine |
| CN113827336A (en) * | 2021-10-26 | 2021-12-24 | 苏州海宇新辰医疗科技有限公司 | Freezing sacculus pipe |
-
2017
- 2017-06-12 CN CN201720671253.0U patent/CN207693670U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480998A (en) * | 2018-11-09 | 2019-03-19 | 宁波胜杰康生物科技有限公司 | A kind of expansible cryoablation conduit |
| CN109480998B (en) * | 2018-11-09 | 2024-01-26 | 宁波胜杰康生物科技有限公司 | Expandable cryoablation catheter |
| CN111374751A (en) * | 2018-12-28 | 2020-07-07 | 上海微创电生理医疗科技股份有限公司 | Electrophysiology catheter and ablation system |
| CN111374751B (en) * | 2018-12-28 | 2021-05-28 | 上海微创电生理医疗科技股份有限公司 | Electrophysiology catheter and ablation system |
| CN109481001A (en) * | 2018-12-29 | 2019-03-19 | 天津美电医疗科技有限公司 | A kind of cryogenic liquid formula cryoablation equipment |
| CN109481001B (en) * | 2018-12-29 | 2024-04-09 | 天津美电医疗科技有限公司 | Cryogenic liquid type cryoablation equipment |
| CN111887971A (en) * | 2019-05-06 | 2020-11-06 | 张建强 | Three-dimensional mapping cryoablation device |
| CN111887971B (en) * | 2019-05-06 | 2023-12-12 | 张建强 | Three-dimensional mapping cryoablation device |
| CN113413206A (en) * | 2020-12-03 | 2021-09-21 | 上海商阳医疗科技有限公司 | Pulse and cryoablation integrated machine |
| CN113827336A (en) * | 2021-10-26 | 2021-12-24 | 苏州海宇新辰医疗科技有限公司 | Freezing sacculus pipe |
| CN113827336B (en) * | 2021-10-26 | 2023-09-01 | 苏州海宇新辰医疗科技有限公司 | Freezing sacculus pipe |
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