CN105997236A - A bronchial thermoplasty catheter - Google Patents
A bronchial thermoplasty catheter Download PDFInfo
- Publication number
- CN105997236A CN105997236A CN201610298476.7A CN201610298476A CN105997236A CN 105997236 A CN105997236 A CN 105997236A CN 201610298476 A CN201610298476 A CN 201610298476A CN 105997236 A CN105997236 A CN 105997236A
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- China
- Prior art keywords
- sub
- pin
- radio frequency
- working
- work
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- 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
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- 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
- 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
- A61B2018/00541—Lung or bronchi
-
- 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
- A61B2018/00595—Cauterization
Abstract
The invention provides a bronchial thermoplasty catheter comprising a working end, an outer sleeve tube and a handle. The working end comprises an end cap, working sub-needles, a support base and a radio frequency sub-needle. One end of each working sub-needle and one end of the radio frequency sub-needle are fixed to the end cap; the other end of each working sub-needle is fixed to the support base. The other end of the radio frequency sub-needle is connected with the handle after passing through the support base. The radio frequency sub-needle can slide on the support base. The two ends of each working sub-needle are electrically connected with the radio frequency sub-needle. The number of the working sub-needles is 3-6 and the radio frequency sub-needle is surrounded by the working sub-needles. The working sub-needles are made of nickel-titanium alloy and the radio frequency sub-needle is made of stainless steel or copper; the outer sleeve tube is a three-cavity tube. The sub-needles are not liable to deform, and the adjustable bending angle of the catheter is larger; the catheter is simple in working principle and convenient to operate.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of bronchus hot forming conduit.
Background technology
Radio frequency refers to radio frequency, but it is not belonging to the division of radio communication medium wave band, because in such frequency
In the range of radiance the lowest, therefore less employing in communication apparatus, in the face of the effect of organism is mainly heat effect.When
The power frequency height of radio frequency is to (> 100kHz during certain value), cause charged ion motion i.e. frictional heat in tissue
(60～100 DEG C).The frequency that radio frequency ablation device is conventional is 200～500kHz, and output is according to different ablation tissue
Determine, generally about 20W for bronchus.
Bronchus hot forming art, is the treating asthma technology of a kind of innovation, imports end cap by bronchoscope, and utilization is penetrated
Frequently energy (or heat) thins the airway smooth muscle (ASM) of hypertrophy in airway walls, thus reduces air flue in symptoms of asthma
Shrinkage amplitude during outbreak, and reduce frequency and the order of severity of outbreak.It is specifically designed for 18 years old and above employing sugar skin
Matter hormone and long-acting beta-receptor agonist treatment are not well controlled and are resistant to bronchial spectroscopy
Severe persistent asthma patient.
The product in this field is mainly the Alair series of products that Boston Science & Technology Co. produces at present.Alair series of products
Bronchus hot forming conduit the most easily occur sub-pin deformation thus affect service life, affect operative treatment
Effect, and the diameter air flue less than 3mm can not be acted on, the work surface of sub-pin is less, and conduit is regulatable
Bending angle is less.Bronchus hot forming conduit is called again radio frequency ablation catheter.
Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide sub-pin and is unlikely to deform,
More tiny trachea, and the bronchus hot forming conduit that regulatable bending angle is bigger can be applicable to.
A kind of bronchus hot forming conduit that the present invention provides, including working end, trocar sheath and handle；Working end includes
End cap, the sub-pin that works, support seat and the sub-pin of radio frequency；Work one end of sub-pin and the sub-pin of radio frequency is each attached at end cap；
The other end of sub-pin of working is fixed at support seat；The other end of the sub-pin of radio frequency is connected through supporting seat with handle；Radio frequency
Sub-pin can slide on seat supporting；All sub-with the radio frequency pin in two ends of sub-pin of working electrically connects；The quantity of sub-pin of working is
3-6 root, surrounds centre by sub-for radio frequency pin；The sub-pin that works is Nitinol；The sub-pin of radio frequency is rustless steel or copper；
Working end has the first shape and the second shape, and under the first shape, the sub-pin that works closes up, and working end is arranged to suitable
In moving in trachea or bronchus；Under the second shape, the sub-pin that works struts so that the sub-pin that works is suitable to penetrate
The energy of the most sub-pin conduction acts on trachea or bronchus in the way of heat；First shape and the switching of the second shape
Change end cap by the sub-pin of slip radio frequency and the distance supported between seat is adjusted；
Trocar sheath is three lumens, including tube wall and three cavitys being enclosed by tube wall, be respectively designated as the first cavity,
Second cavity and the 3rd cavity；
One end of trocar sheath is connected with supporting seat, and the other end is connected with handle；The sub-pin of radio frequency is supporting between seat and handle
Section be arranged in the first cavity, the second cavity or the 3rd cavity.
Further, working end also includes thermocouple；Thermocouple is linear, including first end and the second end；Heat
The first end of galvanic couple is arranged on any one and works on sub-pin, and the second end is led through supporting seat with bronchus hot forming
The handle of pipe connects；Thermocouple is in addition to first end, and its pan coating has insulating barrier；First end a length of
0.3-0.7mm.Preferably, a length of 0.5mm of first end.
Further, the inner surface of any one sub-pin that works it is fitted in from first end to this section of thermocouple supporting seat.
Preferably, the quantity of sub-pin of working is 4.
Further, the length of the sub-pin that works is 30 ± 0.1mm, and wide is 0.36mm, and thickness is 0.1mm；Radio frequency
The diameter of sub-pin is 0.25 ± 0.05mm
Further, working end also includes film, and the wall thickness of film is 0.01 ± 0.005mm, and film is PET heat-shrinkable T bush；
Film is coated on the two ends of the sub-pin of work；The coated length of non-tunicle on sub-pin that works is 5-6mm.
Further, the material of end cap is polyether-ether-ketone (PEEK).Compared to other materials, such as acrylonitrile-butadiene
For-styrene (ABS), resinae, from hardness, intensity and temperature tolerance Integrated comparative, find that PEEK is more preferable.
Further, the working diameter scope of working end is 1.5-13mm.Working diameter scope refers to close at the sub-pin that works
The minimum working diameter reached when holding together is 1.5mm；The a diameter of 13mm of maximum functional reached when the sub-pin that works struts.
On the other hand, the cross section of three chambers of trocar sheath is circle, the first cavity cross section a diameter of
0.37-0.47mm；A diameter of 0.30-0.40mm of the second cavity cross section；3rd cavity cross section a diameter of
0.25-0.35mm.Preferably, a diameter of 0.45mm of the first cavity cross section, the margin of tolerance of this size is:
+0.02mm/-0.08mm；A diameter of 0.38mm of the second cavity cross section, the margin of tolerance of this size is:
+0.02mm/-0.08mm；A diameter of 0.30mm of the 3rd cavity cross section, the margin of tolerance of this size is: ± 0.05
mm。
Further, the cross section of trocar sheath is circular, and its external diameter is 1.1-1.2mm.Preferably, outside trocar sheath
Footpath is 1.1mm.
Further, the tube wall of trocar sheath uses with BaSO4Pebax material.Preferably, the tube wall of trocar sheath
Use Pebax (block polyetheramides elastomer) material, and be added with in Pebax material and account for mass percent 20%
BaSO4。
Further, that one end pin with radio frequency of close end cap of sub-pin of working is electrically connected by conductive glue.
The present invention adjusts the working diameter of working end by adjusting the sub-pin of radio frequency at the sliding condition supported on seat, it is achieved work
Make the switching between end the first shape and the second shape.Use the sub-pin of work prepared by Nitinol, be conducive to fully making
With the memory performance of Nitinol, it can be ensured that can the most even appropriateness in the position strutted each time.Nitinol makes
The design of the sub-pin that works, owing to material therefor thermostability, toughness are preferable, repeatedly close and strut and be not susceptible to deformation,
Be conducive to promoting access times.The design of 4 sub-pins that work, beneficially can make the sub-pin of work effectively to contact
To needing work surface to be processed；The working diameter that can make again working end under the first shape is sufficiently small, is conducive to entering
Trachea or bronchus operate.
The trocar sheath of the like product of prior art is two cavitys, is respectively used to place the sub-pin of radio frequency and thermocouple.
And the trocar sheath for radio frequency ablation catheter involved in the present invention has three cavitys so that it can remain next cavity
Make it vacant, be so conducive to increasing the pliability of this trocar sheath so that adjustable bending angle is wider.The present invention
The involved trocar sheath for radio frequency ablation catheter can reach the bending angle adjustable of 60 °；And general two
The trocar sheath of cavity can only achieve 75 °.With the addition of BaSO in the pipe wall4So that tubing has can developability.Pebax
The advantage of material is the lightest engineering thermoplastic elastomer；Good and the performance of stable and consistent under low temperature；Under repeated deformation
There is no mechanicalness loss of energy, and resisting fatigue；Good resilience and elastic return；Accurate dimensional stability；With
And outstanding processing characteristics.
Below with reference to accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is described further, with
It is fully understood from the purpose of the present invention, feature and effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a detailed description of the invention of bronchus hot forming conduit involved in the present invention.
Fig. 2 is the schematic cross-section of a detailed description of the invention of working end involved in the present invention.
Fig. 3 is the schematic diagram of a detailed description of the invention of trocar sheath involved in the present invention.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is described further.Being construed as this is not limitation of the present invention, at this
The conventional change done on bright also should belong to the protection category of the present invention.Material used in the present invention all can be from the market
Buy and obtain.
As it is shown in figure 1, bronchus hot forming conduit involved in the present invention, including working end 100, trocar sheath 200
With handle 300.Handle 300 includes plug 301.Can be connected to be correlated with by bronchus hot forming conduit by plug 301
On equipment, thus carry out the operation of bronchus hot forming art.Relevant device refers generally to radio-frequency therapeutic equipment, is provided with
The socket that can mate with plug 301.
As in figure 2 it is shown, working end involved in the present invention includes end cap 1, the sub-pin 2 that works, supports seat 4, radio frequency
Pin 3, film and thermocouple 6.The sub-pin 2 one that works has 4, and Fig. 1 is that sectional view illustrate only two sub-pins 2 that work.
The sub-pin 2 that works can also have 3,5 or 6.The sub-pin of radio frequency 3 is surrounded by 4 sub-pins 2 that work,
Its one end is fixed on end cap 1 as the one end of the sub-pin 2 that works, and the other end becomes through supporting seat 4 with bronchus heat
The handle of shape conduit connects (not shown).The other end of sub-pin 2 of working is fixed on support seat 4.Work sub-pin
The two ends of 2 and the sub-pin of radio frequency 3 are connected by conductive glue.The length of sub-pin 2 of working is 30 ± 0.1mm, wide is
0.36mm, thickness is 0.1mm.The diameter of the sub-pin of radio frequency 3 is 0.25 ± 0.05mm.The material of end cap is PEEK；
The material of sub-pin of working is Nitinol；The material of the sub-pin of radio frequency is rustless steel or copper.
Film is coated on the two ends of the sub-pin of work 2；The coated length of non-tunicle on sub-pin 2 that works is 5.5 ± 0.5mm.Film
Wall thickness be 0.01 ± 0.005mm, film is PET heat-shrinkable T bush.
The working diameter scope of working end involved in the present invention is 1.5-13mm.
The sub-pin of radio frequency 3 can slide on seat 4 supporting, and changes end cap 1 and the distance supported between seat 4, it is achieved work
Make the Guan Bi of sub-pin 2 and strut, even if the first shape and second shape of the working end of bronchus hot forming conduit must be used for
The switching of shape.
Thermocouple 6 includes first end 5 and the second end.The second end is led through supporting seat 4 with bronchus hot forming
The handle of pipe connects (not shown).It is affixed on wherein in this section of thermocouple supported seat 4 from first end 5
The inwall of piece sub-pin 2 that works.When the sub-pin 2 that works struts, first end 5 is located close to that root work of its laminating
Make the protruding position of sub-pin 2.There is insulating barrier on the surface of thermocouple 6, but at its table of the position of first end 5
Face has divested insulating barrier, is so conducive to the heat of the perception sub-pin 2 of work.The a length of 0.5mm of first end 5,
But its length range can be 0.2-1.0mm.
As it is shown on figure 3, trocar sheath involved in the present invention includes tube wall 201 and three enclosed by tube wall 201
Cavity.The cross section of these three cavity is circle, is respectively designated as first cavity the 211, second cavity 212 and
Three cavitys 213.Wherein a diameter of 0.45mm of the cross section of the first cavity 211, but its diameter range can also be
0.37-0.47mm.A diameter of 0.38mm of the cross section of the second cavity 212, but its diameter range can also be
0.30-0.40mm.A diameter of 0.33mm of the cross section of the 3rd cavity 213, but its diameter range can also be
0.25-0.35mm.The cross section of this trocar sheath is circular, and the external diameter of this trocar sheath is 1.1mm, but its external diametrical extent
Can also be 1.1-1.2mm.In three cavitys, which accessory each cavity fills mainly according to the size of assembly parts
Determining, suitable cavity is more beneficial for the operation of technique.In general, the first cavity 21 is used to fill radio frequency
Pin；Second cavity 22 or the 3rd cavity 23 fill thermocouple.
Additionally, tube wall 201 uses with BaSO4Pebax material.Especially tube wall 201 uses to be added with and accounts for matter
The BaSO of amount percentage ratio 20%4Pebax material.
Moreover, tube wall is also provided with screw thread.
One end of trocar sheath 200 is connected with supporting seat 4, and the other end is connected with handle 300.The sub-pin of radio frequency 3 is supporting
Section between seat 200 and handle 300, and thermocouple 6 is at the section supported between seat 200 and handle 300,
It is respectively set in two cavitys of trocar sheath 200, the surplus next vacant (not shown) of cavity.
The principle of bronchus hot forming conduit involved in the present invention is: the energy produced by radio-frequency therapeutic equipment passes through to penetrate
The most sub-pin conduction energy is to the sub-pin of work so that the latter produces heat and treats the tissue that need to treat.Thermocouple energy
Heat produced by enough real-time detections and the transmission sub-pin of work.
The many sub-pins that work control the sub-pin of radio frequency by handle and realize strutting the sub-pin that works and draw action in, and this moves
Make adjustable work sub-pin effective working diameter to treated face of fitting, and then be adapted to different size of trachea or
The treatment of person's bronchus tract.
Embodiment 1
As Figure 1-3, each parts and the annexation of the bronchus hot forming conduit in the present embodiment are same as above.
The most above-mentioned uncertain design parameter is done restriction in detail, in order to understand the institute of the present invention for Performance comparision test
The bronchus hot forming conduit particular situation related to.The material of the sub-pin of radio frequency is rustless steel.The sub-pin 2 one that works has
4, Fig. 1 is that sectional view illustrate only two sub-pins 2 that work.The length of sub-pin 2 of working is 30 ± 0.1mm, wide is
0.36mm, thickness is 0.1mm.The diameter of the sub-pin of radio frequency 3 is 0.25 ± 0.05mm.Work non-tunicle bag on sub-pin 2
The length of quilt is 5.5 ± 0.5mm.The wall thickness of film is 0.01 ± 0.005mm, and film is PET heat-shrinkable T bush.The work of working end
It is 1.5-13mm as diameter range.The a length of 0.5mm of the first end 5 of thermocouple 6.The first of trocar sheath 200
A diameter of 0.45mm of the cross section of cavity 211, a diameter of 0.38mm of the cross section of the second cavity 212, the 3rd
A diameter of 0.33mm of the cross section of cavity 213.The cross section of trocar sheath 200 is circular, outside this trocar sheath 200
Footpath is 1.1mm.Tube wall 201 uses and is added with the BaSO accounting for mass percent 20%4Pebax material.
The sub-pin of radio frequency 3 is at the section supported between seat 200 and handle 300, and thermocouple 6 is supporting seat 200 He
Section between handle 300, is respectively set in the first cavity 211 and second cavity 212 of trocar sheath 200,
The 3rd vacant (not shown) of cavity 213.
Performance comparision test 1: the number of times that efficient deformation does not occurs that the sub-pin that works is packed up and strutted
Object: the Alair conduit that Boston Science & Technology Ltd. produces, and the bronchus heat one-tenth described in embodiment 1
Shape conduit.
Result: the sub-pin of work of the Alair conduit that Boston Science & Technology Ltd. produces i.e. cannot for about 80 times in use
Use, affect effectiveness and the adequacy of operative treatment.
In general, perform the operation each time and melt 70-80 point approximately, it is therefore desirable to the sub-pin that works repeatedly struts and receives
Rising, its number of times should be greater than the number of the point melted equal to needs.The work of the bronchus hot forming conduit described in embodiment 1
Make the effective access times of sub-pin (number of times that efficient deformation does not occurs that the sub-pin that i.e. works is packed up and strutted) to be more than 100 times,
This is to reserving certain amount of redundancy in operation and then guaranteeing the safety of operation process, adequacy and effectiveness.
Performance comparision test 2: be mounted with the adjustable bending angle detection of the trocar sheath of the sub-pin of radio frequency and thermocouple
Object: the Alair conduit that Boston Science & Technology Ltd. produces, and the bronchus heat one-tenth described in embodiment 1
Shape conduit.
Result: the adjustable bending angle of the Alair conduit that Boston Science & Technology Ltd. produces is: ＞ 75 °.
The adjustable bending angle of the bronchus hot forming conduit described in embodiment 1 is: >=60 °.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all in the art
Technical staff the most on the basis of existing technology can by logical analysis, reasoning, or a limited experiment
With the technical scheme obtained, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a bronchus hot forming conduit, it is characterised in that include working end, trocar sheath and handle；Described work
End includes end cap, the sub-pin that works, supports seat and the sub-pin of radio frequency；One end of the sub-pin of described work and the sub-pin of described radio frequency is equal
It is fixed at described end cap；The other end of the sub-pin of described work is fixed at described support seat；The sub-pin of described radio frequency another
One end is connected through described support seat with described handle；The sub-pin of described radio frequency can slide on described support seat；Described
All sub-with the described radio frequency pin in two ends of sub-pin of working electrically connects；The quantity of the sub-pin of described work is 3-6 root, penetrates described
The most sub-pin surrounds centre；The sub-pin of described work is Nitinol；The sub-pin of described radio frequency is rustless steel or copper；Described
Working end has the first shape and the second shape, and under described first shape, the sub-pin of described work closes up, described work
End is arranged to be suitable to move in trachea or bronchus；Under described second shape, the sub-pin of described work struts,
The sub-pin of described work is suitable to the energy that sub-for described radio frequency pin conducts in the way of heat, acts on trachea or a gas
Pipe；The switching of described first shape and described second shape changes described end cap and described by the sub-pin of described radio frequency that slides
The distance supported between seat is adjusted；
Described trocar sheath is three lumens, including tube wall and three cavitys being enclosed by described tube wall, is respectively designated as
First cavity, the second cavity and the 3rd cavity；
One end of described trocar sheath is connected with described support seat, and the other end is connected with described handle；The sub-pin of described radio frequency exists
Section between described support seat and described handle is arranged in described first cavity, the second cavity or the 3rd cavity.
2. bronchus hot forming conduit as claimed in claim 1, it is characterised in that described working end also includes thermoelectricity
Even；Described thermocouple is linear, including first end and the second end；The first end of described thermocouple arranges in office
Anticipating on a sub-pin of described work, described the second end connects through the handle of described support seat with bronchus hot forming conduit
Connect；Described thermocouple is in addition to described first end, and its pan coating has insulating barrier；Described first end a length of
0.3-0.7mm。
3. bronchus hot forming conduit as claimed in claim 1, it is characterised in that the quantity of the sub-pin of described work is
4.
4. bronchus hot forming conduit as claimed in claim 1, it is characterised in that the length of the sub-pin of described work is
30 ± 0.1mm, wide is 0.36mm, and thickness is 0.1mm；The diameter of the sub-pin of described radio frequency is 0.25 ± 0.05mm.
5. bronchus hot forming conduit as claimed in claim 4, it is characterised in that described working end also includes film,
The wall thickness of described film is 0.01 ± 0.005mm, and described film is PET heat-shrinkable T bush；Described film is coated on described work
The two ends of pin；It not 5-6mm by the coated length of described film on the sub-pin of described work.
6. bronchus hot forming conduit as claimed in claim 1, it is characterised in that the material of described end cap is PEEK.
7. bronchus hot forming conduit as claimed in claim 1, it is characterised in that the working diameter of described working end
Scope is 1.5-13mm.
8. bronchus hot forming conduit as claimed in claim 1, it is characterised in that the cross section of described three chambers
It is circle, a diameter of 0.37-0.47mm of described first cavity cross section；The diameter of described second cavity cross section
For 0.30-0.40mm；A diameter of 0.25-0.35mm of described 3rd cavity cross section.
9. bronchus hot forming conduit as claimed in claim 1, it is characterised in that the cross section of described trocar sheath is
Circle, its external diameter is 1.1-1.2mm.
10. the bronchus hot forming conduit as described in any one of claim 1-9, it is characterised in that described tube wall is adopted
With with BaSO4Pebax material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298476.7A CN105997236A (en) | 2016-05-06 | 2016-05-06 | A bronchial thermoplasty catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298476.7A CN105997236A (en) | 2016-05-06 | 2016-05-06 | A bronchial thermoplasty catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105997236A true CN105997236A (en) | 2016-10-12 |
Family
ID=57081883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610298476.7A Pending CN105997236A (en) | 2016-05-06 | 2016-05-06 | A bronchial thermoplasty catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105997236A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640855A (en) * | 2016-11-10 | 2019-04-16 | 日本来富恩株式会社 | Lung cancer therapy electrode catheter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070106292A1 (en) * | 2004-11-05 | 2007-05-10 | Asthmatx, Inc. | Energy delivery devices and methods |
| CN101894626A (en) * | 2009-05-19 | 2010-11-24 | 苑顺法 | Hollow cable |
| CN202637109U (en) * | 2012-06-08 | 2013-01-02 | 湖南依微迪医疗器械有限公司 | Multiple-electrode hypertension endovascular radiofrequency ablation treatment catheter |
| CN203885613U (en) * | 2014-03-21 | 2014-10-22 | 上海微创电生理医疗科技有限公司 | Radiofrequency ablation catheter and conveying system thereof |
| CN204004866U (en) * | 2014-06-24 | 2014-12-10 | 罗孝亮 | Flexible pipe |
| CN105358083A (en) * | 2013-06-06 | 2016-02-24 | 波士顿科学国际有限公司 | Devices for delivering energy and related methods of use |
| CN205190999U (en) * | 2015-12-08 | 2016-04-27 | 罗承佩 | Medical treatment flexible hose |
-
2016
- 2016-05-06 CN CN201610298476.7A patent/CN105997236A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070106292A1 (en) * | 2004-11-05 | 2007-05-10 | Asthmatx, Inc. | Energy delivery devices and methods |
| CN101894626A (en) * | 2009-05-19 | 2010-11-24 | 苑顺法 | Hollow cable |
| CN202637109U (en) * | 2012-06-08 | 2013-01-02 | 湖南依微迪医疗器械有限公司 | Multiple-electrode hypertension endovascular radiofrequency ablation treatment catheter |
| CN105358083A (en) * | 2013-06-06 | 2016-02-24 | 波士顿科学国际有限公司 | Devices for delivering energy and related methods of use |
| CN203885613U (en) * | 2014-03-21 | 2014-10-22 | 上海微创电生理医疗科技有限公司 | Radiofrequency ablation catheter and conveying system thereof |
| CN204004866U (en) * | 2014-06-24 | 2014-12-10 | 罗孝亮 | Flexible pipe |
| CN205190999U (en) * | 2015-12-08 | 2016-04-27 | 罗承佩 | Medical treatment flexible hose |
Non-Patent Citations (1)
| Title |
|---|
| 周长忍: "《生物材料学》", 31 March 2004, 中国医药科技出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640855A (en) * | 2016-11-10 | 2019-04-16 | 日本来富恩株式会社 | Lung cancer therapy electrode catheter |
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