CN106691578A - Electrophysiologic catheter - Google Patents
Electrophysiologic catheter Download PDFInfo
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- CN106691578A CN106691578A CN201510424551.5A CN201510424551A CN106691578A CN 106691578 A CN106691578 A CN 106691578A CN 201510424551 A CN201510424551 A CN 201510424551A CN 106691578 A CN106691578 A CN 106691578A
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- curved segment
- adjustable curved
- draught line
- catheter
- adjustable
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Abstract
The invention provides an electrophysiologic catheter. The electrophysiologic catheter comprises a catheter intervening section, a first adjustable bending section and a second adjustable bending section, wherein one end of the catheter intervening section is connected with the first adjustable bending section and the second adjustable bending section. Multiple portions in the heart can be simultaneously mapped and stimulated on the single electrophysiologic catheter, and the electrophysiologic catheter is economical, reduces venipuncture by one time for a patient, greatly shortens operation time and reduces wounds and pains of the patient.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of electrophysiologicalcatheter catheter.
Background technology
Current electrophysiologicalcatheter catheter has been widely used in medical practice, and mapping ablation catheter is that electro physiology is led
One kind of pipe, its electricity physiological signal for being mainly used in recording each position of endocardial carries out electro photoluminescence to heart,
So as to reach the purpose treated to heart disease.Its application method is to puncture femoral vein blood vessel or neck first
Internal jugular vein blood vessel, under radioscopy, is delivered to diverse location in heart, to the heart along lumen of vessels by conduit
It is dirty to carry out electrophysiologic study or mapping.Alternatively, it is also possible to use single mapping catheter and single ablation catheter point
Mapping and ablation are not carried out.
Mapping ablation catheter in the market, a mapping ablation catheter can only be to one position of endocardial
Carry out mapping and stimulation.If it is desired to mapping or stimulating multiple positions simultaneously, then many mappings must be simultaneously put into
Ablation catheter., it is necessary to increase the exposure of the time and X-ray of the placement of mapping ablation catheter for doctor
Light quantity can just be accurately positioned the position of display mapping ablation catheter, increased operating time.For patient,
Mapping and stimulation for endocardial multiple position increased financial burden and the body and mind wound of patient.
The content of the invention
It is an object of the invention to provide a kind of electrophysiologicalcatheter catheter, can only be in the heart to solve single electrophysiologicalcatheter catheter
The position of dirty inside one is operated, it is necessary to simultaneously when endocardial multiple different parts are operated, need
Many electrophysiologicalcatheter catheters are put into simultaneously, operate complex, the increased problem of operating time.
In order to solve the above technical problems, the present invention provides a kind of electrophysiologicalcatheter catheter, the electrophysiologicalcatheter catheter includes:
Intubation intervention section, the first adjustable curved segment and the second adjustable curved segment, one end of the intubation intervention section and described the
One adjustable curved segment and the second adjustable curved segment connection.
Optionally, in described electrophysiologicalcatheter catheter, the first adjustable curved segment and the second adjustable curved segment
On be provided with tip electrode.
Optionally, in described electrophysiologicalcatheter catheter, also including magnetic sensors, the magnetic sensors is leaned on
The nearly tip electrode.
Optionally, in described electrophysiologicalcatheter catheter, the first adjustable curved segment and the second adjustable curved segment
On be provided with multiple electrodes group, each described electrode group includes multiple electrodes, described these electrode groups interruption
Be arranged in the described first adjustable curved segment and the second adjustable curved segment.
Optionally, in described electrophysiologicalcatheter catheter, the multiple electrode in each described electrode group be with
Equal spacing arrangement.
Optionally, in described electrophysiologicalcatheter catheter, the multiple electrode in each described electrode group be with
What two different spacing were alternately arranged.
Optionally, in described electrophysiologicalcatheter catheter, also including handle, the first draught line and the second draught line;
The handle is connected with intubation intervention section, and first draught line and second draught line may be contained within
In the intubation intervention section;One end of first draught line is fixed in the described first adjustable curved segment, described
The other end of the first draught line is arranged in the handle;One end of second draught line is fixed on described
In two adjustable curved segments, the other end of second draught line is arranged in the handle.
Optionally, in described electrophysiologicalcatheter catheter, controlling organization, the control are provided with the handle
Mechanism is connected with first draught line and the second draught line, for controlling first draught line and second
Draught line is moved in intubation intervention section, so as to change the described first adjustable curved segment and described second adjustable
The bending of curved segment.
Optionally, in described electrophysiologicalcatheter catheter, the controlling organization includes the first knob and the second knob,
First knob is connected with first draught line, and second knob is connected with second draught line
Connect.
Optionally, in described electrophysiologicalcatheter catheter, one end of the intubation intervention section is provided with counterbore, institute
State the first adjustable curved segment and the second adjustable curved segment is fixed in the counterbore.
In electrophysiologicalcatheter catheter provided by the present invention, the electrophysiologicalcatheter catheter includes intubation intervention section, first
Adjustable curved segment and the second adjustable curved segment, one end of intubation intervention section and the described first adjustable curved segment and described
Second adjustable curved segment connection.The heart can be realized using electrophysiologicalcatheter catheter of the invention on single electrophysiologicalcatheter catheter
Dirty internal multiple position is operated simultaneously, not only economically saves, and to the few venipuncture of patient,
Operating time greatly is shortened, the wound and pain of patient is reduced.In addition, in each electrode group
Side be provided with magnetic field sensor, can accurately show the position of the adjustable curved segment of electrophysiologicalcatheter catheter, preferably
The doctor that instructs carry out electro physiology operation, reduce light exposure of the patient under x-ray, performed the operation into so as to improve
Power and security.
Brief description of the drawings
Fig. 1 is the front view of electrophysiologicalcatheter catheter in one embodiment of the invention;
Fig. 2 is the generalized section at A-A' in Fig. 1;
Fig. 3 is the generalized section at B-B' in Fig. 1;
Fig. 4 is the generalized section at C-C' in Fig. 1;
Fig. 5 is the vertical section schematic diagram of Fig. 4;
Fig. 6 is the vertical section schematic diagram of intubation intervention section and adjustable curved segment junction.
In figure, the first adjustable curved segment -1;The second adjustable curved segment 1';Intubation intervention section -2;Counterbore -20;
Handle -3;Magnetic sensors -4;First draught line -5;Second draught line 5';Single lumen catheter -10;Multi-lumen tube -11;
Electrode -12;Electrode cable -13;Magnetic field induction line -40;Knob -30,30';Draught line fixture -50;Spring
Circle -51;Establishment webmaster -52.
Specific embodiment
Electrophysiologicalcatheter catheter proposed by the present invention is made further specifically below in conjunction with the drawings and specific embodiments
It is bright.According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that,
Accompanying drawing in the form of simplifying very much and uses non-accurately ratio, is only used to conveniently, lucidly aid in
Illustrate the purpose of the embodiment of the present invention.
Fig. 1 is refer to, it is the front view of electrophysiologicalcatheter catheter in one embodiment of the invention, as shown in figure 1, institute
The electrophysiologicalcatheter catheter stated includes:Intubation intervention the 2, first adjustable curved segment 1 of section and the second adjustable curved segment 1', it is described
One end of intubation intervention section 2 is connected with the described first adjustable curved segment 1 and the second adjustable curved segment 1'.Wherein,
Electrode is provided with the first adjustable curved segment 1 and the second adjustable curved segment 1'.Preferably, described
Some electrode groups are provided with one adjustable curved segment 1 and the second adjustable curved segment 1'.For adjustable curved segment
Quantity, including but not limited to two here, that is to say, that except the first adjustable curved segment 1 and the second adjustable bending
Outside section 1', there can also be the 3rd adjustable section, the 4th adjustable section ... N is adjustable section.The number of specific adjustable curved segment
Amount is, it is necessary to depending on according to the actual quantity at mapping and the position for stimulating simultaneously.
Fig. 1 and Fig. 6 is please also refer to, the electrophysiologicalcatheter catheter in the present embodiment also includes one handle 3, the
One draught line 5 and the second draught line 5', the handle 3 are connected with intubation intervention section, and described first leads
Lead 5 and the second draught line 5' may be contained within the intubation intervention section 2, first draught line 5
One end be fixed in the described first adjustable curved segment 1, the other end of first draught line 5 is arranged at described
In handle 3;One end of the second draught line 5' is fixed in the described second adjustable curved segment 1', and described second leads
The other end of lead 5' is arranged in the handle 3.
In the present embodiment, regulation the first adjustable curved segment 1 and the second adjustable curved segment respectively is provided with handle 3
First knob 30 and the second knob 30' of 1' bendings change, the first draught line 5 being fixed in handle 3 and the
One knob 30 is connected;The second draught line 5' being fixed in handle 3 is connected with the second knob 30'.Certainly, exist
In other embodiment, it is also possible to control draught line using other controlling organizations such as horizontal mobile mechanism, reach
To the purpose of the bending for changing adjustable curved segment, it is also possible to set two draught lines in an adjustable curved segment, and
Compound bending control is carried out by rack-and-pinion or turbine worm etc., the present invention is without limitation.
In the present embodiment, when the first knob 30 on single hand control handle 3 of doctor, revolved with first
Under the traction of the first draught line 5 of the connection of button 30, there is bending change in the first adjustable curved segment 1, similarly, when
During the second knob 30' on single hand control handle 3 of doctor, in the second draught line being connected with the second knob 30'
Under the traction of 5', there is bending change in the second adjustable curved segment 1'.Therefore, can be with profit on single electrophysiologicalcatheter catheter
The mapping and stimulation to coronary sinus and right room are realized with the first adjustable curved segment 1, can using the second adjustable curved segment 1'
Realize the mapping and stimulation to right ventricle and Xinier reservoir.
In order to be better understood from the diverse location of the described first adjustable curved segment 1 and the second adjustable curved segment 1'
Internal structure, the described first adjustable curved segment and the second adjustable curved segment are all divided into be sequentially connected with first paragraph,
Second segment and the 3rd section, the 3rd section of the first adjustable curved segment and the 3rd section of the second adjustable curved segment with
The intubation intervention section 2 is connected.Specifically understood incorporated by reference to the content shown in Fig. 2~Fig. 5.
In the present embodiment, the head end of the first adjustable curved segment 1 and the second adjustable curved segment 1' is all provided with tip electrode,
Pipe shaft is provided with ring electrode.Because the structure inside the first adjustable curved segment 1 curved segment 1' adjustable with second is identical,
Subsequent content is only parsed with the structure of the first adjustable curved segment 1, and the structure of the second adjustable curved segment 1' refer to
The parsing of the structure of the first adjustable curved segment 1.Certainly, those skilled in the art are it is also to be understood that first
The internal structure of the adjustable curved segment 1' of adjustable curved segment 1 and second can also be incomplete same.
Fig. 2 is refer to, it is the generalized section at A-A' in Fig. 1, A-A' sections are located at the first adjustable curved segment
In 1 first paragraph, near distal end tip electrode.Can clearly know the first of the first adjustable curved segment 1 by Fig. 2
Structure in section, i.e., the first paragraph of described first adjustable curved segment 1 is single lumen catheter 10, is set in single lumen catheter 10
There are magnetic sensors 4 and electrode cable 13, electrode cable 13 connects the tip electrode in the first adjustable curved segment 1.
Magnetic sensors 4 is near tip electrode.Sleeve pipe 6 is provided with outside magnetic sensors 4, sleeve pipe 6 is by polyimides material
Material is made.Sleeve pipe 6 is mutually fixed with magnetic sensors 4 and single lumen catheter 10, such as by polyurethane adhesive water cure.
Fig. 3 is refer to, Fig. 3 is the generalized section at B-B' in Fig. 1, and B-B' sections are located at the first adjustable bending
In the second segment of section 1.Structure in the second segment of the first adjustable curved segment 1 can clearly be known by Fig. 3,
The second segment of i.e. described first adjustable curved segment 1 is multi-lumen tube 11, in two chambers of the multi-lumen tube 11 respectively
It is provided with electrode cable 13, magnetic field induction line 40 and draught line fixture 50.Draught line fixture 50 is independent
It is arranged in a chamber, and electrode cable 13 and magnetic field induction line 40 are arranged in same chamber.
One end of the magnetic field induction line 40 is connected with the magnetic sensors 4, the magnetic field induction line 40
The other end be fixed in the handle 3.The draught line fixture 50 is fixed on multi-lumen tube 11, for even
First draught line 5 is connect, company is fixed for example with modes such as laser welding, crimping, resistance welding or solderings
Connect.Another electrode cable 13 is shown compared to Fig. 2, in Fig. 3, for connecting the first adjustable curved segment 1
Ring electrode.
Refer to Fig. 4 and Fig. 5, Fig. 4 is the generalized section at C-C' in Fig. 1, and C-C' sections are located at first
In the 3rd section of adjustable curved segment 1.Can clearly be known in the 3rd section of the first adjustable curved segment 1 by Fig. 4
Structure, i.e., the 3rd section of described first adjustable curved segment 1 is multi-lumen tube 11, and the 3rd section is same many with second segment
Lumen 11, the first draught line 5, electrode cable is respectively provided with two chambers of the preferred multi-lumen tube 11
13 and magnetic field induction line 40, the first draught line 5 is provided separately within a chamber, and electrode cable 13 and magnetic
The field line of induction 40 is arranged in same chamber.Magnetic field induction line 40 in the 3rd section of the first adjustable curved segment 1
Be the first adjustable curved segment 1 second segment in magnetic field induction line 40 extension.Compared to Fig. 3, in Fig. 4
More electrode cables 13 are illustrated, for connecting more ring electrodes.
In the present embodiment, in order to protect the first draught line 5, it is provided with the outside of first draught line 5
Turn 51, to reduce the contact between the first draught line 5 and other structures.During mapping pipe practical application,
Under the traction of the first draught line 5, the first adjustable curved segment 1 can occur bending change, be led for ease of first
Lead 5 pulls the first adjustable curved segment 1, the deformation of the first adjustable curved segment 1 is realized, on the surface of turn 51
Coating is also coated with, the material of the coating is preferably PTFE (polytetrafluoroethylene (PTFE)) or FEP (ethylene fluorides third
Alkene copolymer).Additionally, refer to Fig. 5, in order to protect turn 51, also covered in the outside of turn 51
It is connected to braiding webmaster 52, preferably polyimide layer braiding webmaster.
In the present embodiment, magnetic sensors 4 is only provided with close tip electrode position, but in other implementations
In example, magnetic sensors can also be all set the second end and the 3rd section, preferably to show the position of conduit,
Reduce the light exposure under x-ray.
Further, some electrode groups are continuously or discontinuously arranged in the described first adjustable curved segment 1 and/or described
On second adjustable curved segment 1'.Fig. 1 is refer to, shown by it is that some electrode groups are discontinuously arranged in institute
The structure in the first adjustable curved segment 1 and the second adjustable curved segment 1' is stated, so-called compartment of terrain arrangement refers to phase
Discontinuous arrangement, a spaced segment distance, the distance preferably 10~105mm between adjacent two electrode groups.
By the plan of establishment, can cause using an adjustable curved segment, while to two portions being separated by a certain distance
Position carries out mapping or stimulation.Mapping or stimulation sites are different, and the distance is also different, for example, mapping or stimulation
When right room high and right ventricle's apex of the heart, the distance can set larger, and mapping or stimulation Xinier reservoir and right ventricle's heart
When sharp, this is in small distance.The caliber of the first adjustable curved segment 1 and the second adjustable curved segment 1' is 2F-6F.
Further, each described electrode group includes that spacing between some electrodes 12, the electrode 12 can be with
Equal, or not etc., for example, the spacing of each electrode and adjacent electrode for 2mm, 5mm or
10mm, each electrode can also be arranged alternately with the spacing of adjacent electrode for 2mm and 5mm, or 2mm
It is arranged alternately with 8mm.
In order to obtain the electric potential signal of each electrode 12 in each electrode group, the institute of described electrophysiologicalcatheter catheter
State and electrode cable 13 is provided with the first adjustable curved segment 1 and the second adjustable curved segment 1', such as Fig. 3 and Fig. 4
Shown, the electrode cable 13 is connected with the electrode 12 in some electrode groups, preferably every electrode
One electrode 12 of correspondence of wire 13 is connected.
Preferably, the electrode 12 is ring electrode, a diameter of 0.5~2.0mm of the ring electrode, the ring
The length of electrode is 0.5~1.2mm.Here the edge to ring electrode seamlessly transits treatment using ultraviolet glue water, with
The damage caused to vascular wall when avoiding ring electrode intravasation.
Fig. 6 is refer to, it is the vertical section schematic diagram of intubation intervention section 2 and adjustable curved segment junction.Such as Fig. 6
Shown, the distal end of intubation intervention section 2 is provided with counterbore 20, and the first adjustable curved segment 1 and described second can
Curved segment 1' is adjusted to be fixed in counterbore 20, here, the depth of counterbore 20 is preferably 1.0~2.0mm, the counterbore
20 a diameter of 1.0~5.0mm.
In the above-described embodiments, as a example by using electroded mapping ablation catheter, in other embodiments,
Can be single mapping catheter or ablation catheter, or other electrophysiologicalcatheter catheters without electrode, example
Such as with the electrophysiologicalcatheter catheter of freezing sacculus, the present invention is without limitation.
To sum up, in electrophysiologicalcatheter catheter provided by the present invention, the electrophysiologicalcatheter catheter include intubation intervention section,
First adjustable curved segment and the second adjustable curved segment, one end of intubation intervention section and the described first adjustable curved segment and
The second adjustable curved segment connection.Can be realized with single electrophysiologicalcatheter catheter using electrophysiologicalcatheter catheter of the invention
It is operated at endocardial multiple position simultaneously, is not only economically saved, and to the few vein of patient
Puncture, greatly shorten operating time, reduce the wound and pain of patient.In addition, described in each
The side of electrode group is provided with magnetic field sensor, can accurately show the position of the adjustable curved segment of electrophysiologicalcatheter catheter,
Preferably instructing doctor carries out electro physiology operation, light exposure of the patient under x-ray is reduced, so as to improve hand
Art success rate and security.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention,
Any change, modification that the those of ordinary skill in field of the present invention does according to the disclosure above content, belong to power
The protection domain of sharp claim.
Claims (10)
1. a kind of electrophysiologicalcatheter catheter, it is characterised in that including:Intubation intervention section, the first adjustable curved segment and the
Two adjustable curved segments, one end of the intubation intervention section and the described first adjustable curved segment and the second adjustable curved segment
Connection.
2. electrophysiologicalcatheter catheter as claimed in claim 1, it is characterised in that the first adjustable curved segment and institute
State and be provided with tip electrode in the second adjustable curved segment.
3. electrophysiologicalcatheter catheter as claimed in claim 2, it is characterised in that also including magnetic sensors, institute
Magnetic sensors is stated near the tip electrode.
4. electrophysiologicalcatheter catheter as claimed in claim 1, it is characterised in that the first adjustable curved segment and institute
State and be provided with multiple electrodes group in the second adjustable curved segment, each described electrode group includes multiple electrodes, described
These electrode groups are discontinuously arranged in the described first adjustable curved segment and the second adjustable curved segment.
5. electrophysiologicalcatheter catheter as claimed in claim 4, it is characterised in that the institute in each described electrode group
Multiple electrodes are stated to arrange at an equal pitch.
6. electrophysiologicalcatheter catheter as claimed in claim 4, it is characterised in that the institute in each described electrode group
Stating multiple electrodes is alternately arranged with two different spacing.
7. electrophysiologicalcatheter catheter as claimed in claim 1, it is characterised in that also including handle, the first traction
Line and the second draught line;The handle and the intubation intervention section are connected, first draught line and described the
Two draught lines may be contained within the intubation intervention section;One end of first draught line is fixed on described first
In adjustable curved segment, the other end of first draught line is arranged in the handle;Second draught line
One end is fixed in the described second adjustable curved segment, and the other end of second draught line is arranged in the handle.
8. electrophysiologicalcatheter catheter as claimed in claim 7, it is characterised in that control is provided with the handle
Mechanism, the controlling organization is connected with first draught line and the second draught line, for controlling described
One draught line and the second draught line are moved in intubation intervention section, so as to change the described first adjustable curved segment
With the bending of the described second adjustable curved segment.
9. electrophysiologicalcatheter catheter as claimed in claim 8, it is characterised in that the controlling organization includes first
Knob and the second knob, first knob are connected with first draught line, second knob and institute
The second draught line is stated to be connected.
10. the electrophysiologicalcatheter catheter as any one of claim 1~9, it is characterised in that the conduit
The one end for intervening section is provided with counterbore, and the first adjustable curved segment and the second adjustable curved segment are fixed on described
In counterbore.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510424551.5A CN106691578B (en) | 2015-07-17 | 2015-07-17 | Electrophysiology catheter |
Applications Claiming Priority (1)
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CN201510424551.5A CN106691578B (en) | 2015-07-17 | 2015-07-17 | Electrophysiology catheter |
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CN106691578A true CN106691578A (en) | 2017-05-24 |
CN106691578B CN106691578B (en) | 2020-01-24 |
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CN201510424551.5A Active CN106691578B (en) | 2015-07-17 | 2015-07-17 | Electrophysiology catheter |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102686178A (en) * | 2010-01-23 | 2012-09-19 | 日本来富恩株式会社 | Electrode catheter |
US20120303019A1 (en) * | 2010-12-25 | 2012-11-29 | Xue Zhao | Kind of cardiac ablation catheter with guide-wire |
CN103800072A (en) * | 2012-11-09 | 2014-05-21 | 上海微创电生理医疗科技有限公司 | Terminal electrode and method for assembling terminal electrode and electrophysiology catheter |
CN103908342A (en) * | 2013-01-08 | 2014-07-09 | 韦伯斯特生物官能(以色列)有限公司 | Catheter With Multiple Spines Of Different Lengths Arranged In One Or More Distal Assemblies |
CN204318750U (en) * | 2014-11-27 | 2015-05-13 | 上海微创电生理医疗科技有限公司 | A kind of electrophysiologicalcatheter catheter |
CN104644162A (en) * | 2013-11-21 | 2015-05-27 | 韦伯斯特生物官能(以色列)有限公司 | Flexible multiple-arm diagnostic catheter |
CN204951145U (en) * | 2015-07-17 | 2016-01-13 | 上海微创电生理医疗科技有限公司 | Electroproduction reason pipe |
-
2015
- 2015-07-17 CN CN201510424551.5A patent/CN106691578B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102686178A (en) * | 2010-01-23 | 2012-09-19 | 日本来富恩株式会社 | Electrode catheter |
US20120303019A1 (en) * | 2010-12-25 | 2012-11-29 | Xue Zhao | Kind of cardiac ablation catheter with guide-wire |
CN103800072A (en) * | 2012-11-09 | 2014-05-21 | 上海微创电生理医疗科技有限公司 | Terminal electrode and method for assembling terminal electrode and electrophysiology catheter |
CN103908342A (en) * | 2013-01-08 | 2014-07-09 | 韦伯斯特生物官能(以色列)有限公司 | Catheter With Multiple Spines Of Different Lengths Arranged In One Or More Distal Assemblies |
CN104644162A (en) * | 2013-11-21 | 2015-05-27 | 韦伯斯特生物官能(以色列)有限公司 | Flexible multiple-arm diagnostic catheter |
CN204318750U (en) * | 2014-11-27 | 2015-05-13 | 上海微创电生理医疗科技有限公司 | A kind of electrophysiologicalcatheter catheter |
CN204951145U (en) * | 2015-07-17 | 2016-01-13 | 上海微创电生理医疗科技有限公司 | Electroproduction reason pipe |
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Address after: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane No. twenty-eighth 1-28 Patentee after: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. Address before: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane No. twenty-eighth 1-28 Patentee before: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. |
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