CN208243625U - A kind of multipole ablating device - Google Patents
A kind of multipole ablating device Download PDFInfo
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- CN208243625U CN208243625U CN201721111227.9U CN201721111227U CN208243625U CN 208243625 U CN208243625 U CN 208243625U CN 201721111227 U CN201721111227 U CN 201721111227U CN 208243625 U CN208243625 U CN 208243625U
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Abstract
The utility model discloses a kind of multipole ablating devices, comprising: electrode assembly, guiding catheter, handle and connector；Wherein at least one chamber in guiding catheter；Electrode assembly is arranged in guiding catheter front end, and handle is connected by being routed through in guiding catheter, the electric machine assembly includes one group or more of electrode group and more than one detection device, the electrode group can apply electric energy, RF energy, laser energy, high density and focus ultrasound or cryogenic ablation, and the detection device is for detecting temperature, impedance or tension；The electrode assembly of handle jointing and one group or more, and include one or more operating elements, the operating element is the contraction for coordination electrode group, opening and energy and controllable electrode assembly stretches out or retract guiding catheter；Connector is for providing energy to electrode.The present apparatus can be used for delivering DC current, alternating current and RF energy to lesion, can be used for the non-drug therapy of obstructive disease of lung.
Description
Technical field
The invention belongs to minimally invasive medical apparatus fields, in particular to a kind of for energy-delivering in trachea and bronchus
Multipole ablating device.
Background technique
Chronic obstructive pulmonary disease is a kind of progressive disease that can lead to lung airway and block to limit air-flow disengaging lung.
Therefore, the patient with chronic obstructive pulmonary disease may have difficulty in breathing, and such as cough, and wheeze, and shortness of breath is uncomfortable in chest, generate mucus and (roar
Asthma breaking-out), a large amount of medical care are needed, that is, are likely to result in hospital and life danger.The reason of causing chronic obstructive pulmonary disease
Have: smooth muscle contraction, excessive mucus generate, and airway walls are thickend due to inflammation and the change of air flue surrounding structure etc..
Airway smooth muscle in Patients with Lung airway walls it is excessive and it is inappropriate contraction be chronic obstructive pulmonary disease facilitate because
Element.Therefore, treatment benefit can be provided for the treatment of chronic obstructive pulmonary disease by reducing excessive airway smooth muscle.
Clinical treatment chronic obstructive pulmonary disease such as asthma, pulmonary emphysema, the main method of chronic obstructive pulmonary disease is using Western medicine at present
Treatment and adrenomimetic drug drug, theophylline class drug and hormone, expectoration, the anti symptom treatments such as anti-inflammatory, though the matter of great urgency that can dispel, only
It can be palliative.And the patient having is using imbedibility corticosteroid (ICS) and long acting beta agonists (LABA)
The state of an illness still can not be effectively controlled afterwards.
The minimal invasive techniques having been developed that can be reduced excessive airway smooth muscle.When implementing the treatment, conduit is located in gas
In road and expand the electrod-array on catheter tip to contact airway walls.By mobile conduit gradually to endotracheal many places into
Row energy transmission, this long inefficiency of mode operating time.In addition, the adherent shape of each electrode and tracheal wall cannot be detected
Condition is selectively controlled adherent good electrode and releases energy.It is thus known that, for mitigating symptoms of chronic obstructive pulmonary disease
Minimal invasive techniques still have disadvantage.
Summary of the invention
The purpose of the present invention is in view of the drawbacks of the prior art, provide it is a kind of have energy is transmitted in trachea and bronchus
The device of function.
To achieve the goals above, the invention adopts the following technical scheme: a kind of multipole ablating device, comprising: electrode group
Part, guiding catheter, handle and connector；
Wherein at least one chamber in the guiding catheter；
The electrode assembly, which is arranged, connects handle in guiding catheter front end, and by being routed through in guiding catheter, described
Electric machine assembly includes one group or more of electrode group and more than one detection device, and the electrode group can apply electric energy, radio frequency
Energy, laser energy, high density focus ultrasound or cryogenic ablation, and the detection device is for detecting temperature, impedance or tension；
The electrode assembly of the handle jointing and one group or more, and include one or more operating elements, the behaviour
Control component be for coordination electrode group contraction, open and release energy and can control electrode assembly to stretch out or retract guidance
Conduit；
The connector is for providing energy to electrode.
Further, detection device includes temperature detection device, impedance detection device and tension detecting device.
Further, electrode group includes an electrode or multiple electrodes, and each electrode is connected by independent electrode cable
Handle, electrode group are opened under the control of operating element in mesh basket shape, helical form or sacculus shape, the feelings existing for multi-group electrode group
Under condition, electrode group is sequentially connected in series arrangement；Electrode group is closer away from handle, and the outer diameter after opening is bigger, the size of the outer diameter
For 1~20mm.
Further, electrode assembly further includes traction steel wire, and the both ends of the electrode are fixed on traction steel wire, described to lead
Draw steel wire and connect handle across guiding catheter, handle passes through the contraction and opening for pulling and loosening traction steel wire coordination electrode group.
Further, in the presence of multi-group electrode group, the head end of the electrode group apart from handle distalmost end is provided with
Antisitic defect structure is connected between electrode group and electrode group by support member.
Further, pressure sensor is provided on traction steel wire.
Further, electrode assembly further includes sacculus, and between the electrodes, sacculus is worn by sacculus air flue for the sacculus setting
Cross guiding catheter connection handle, can by handle connect air intake apparatus, air bag be inflated swell after open electrode group；More
In the presence of group electrode group, multiple sacculus are sequentially connected in series arrangement, and multiple air bags pass through independent sacculus air flue connection respectively
Handle.
Further, guiding catheter is closer apart from handle, and hardness is bigger, and hardness is distributed from shore hardness 90A~80D.
Further, the operating element of handle includes control circuit board and control button, the control circuit connection electrode
Component and control button, the control button control the different components in Different electrodes component respectively.
Further, electrode group can control one or more electrodes and release energy under the control of handle operating element.
The present invention provides a kind of device with the transmission energy function in trachea and bronchus, the present apparatus can be used for
Increase to lesion delivering DC current, alternating current and RF energy to remove the bronchial smooth muscle of pathological proliferation
Diameter when tracheae tranquillization, the pathologic for reducing tracheal wall is shunk and respiratory resistance, increases the adjusting compliance of tracheae.It can be used for
The non-drug therapy of obstructive disease of lung such as takes drugs (such as corticosteroid and and long-acting beta receptor agonism for treating
Agent) after the persistent asthma patient that still can not effectively control, emphysema patient, patients with COPD.
Detailed description of the invention
Fig. 1 is the overall schematic of 1 multipole ablating device of embodiment.
Fig. 2 is the 1 unexpanded schematic diagram of mesh basket shape electrode assembly of embodiment.
Fig. 3 is 1 mesh basket shape electrode assembly of embodiment expansion schematic diagram 1.
Fig. 4 is 1 mesh basket shape electrode assembly of embodiment expansion schematic diagram 2.
Fig. 5 is the partial sectional view of 1 support member of embodiment.
Fig. 6 is 2 balloon electrode component diagram 1 of embodiment.
Fig. 7 is 2 balloon electrode component diagram 2 of embodiment.
Fig. 8 is the broken section of 2 support member of embodiment.
Fig. 9 is 3 spiral electrode component diagram of embodiment.
Figure 10 is handle schematic diagram.
Figure 11 is pressure sensor setting cross-sectional view.
Specific embodiment
The present invention is described further with attached drawing combined with specific embodiments below.
Embodiment 1
The present invention relates to the devices for transmitting energy function in trachea and bronchus, and it is more to further relate to one kind
Pole ablating device, as shown in Figure 1, device mainly includes first electrode component 2, second electrode component 3, introduction pipe body 6, handle
17, connector 18.As shown in Fig. 2, first electrode component 2 and second electrode component 3 are arranged in introduction pipe body 6 axially in successional
On, antisitic defect structure 1 is arranged in electrode assembly head end, while for fixing first electrode component 2, first electrode component 2 and second
It is attached between electrode assembly 3 with support member 4, the proximal end of first electrode component 2 and the distal end of second electrode component 3 are fixed
In support member 4,5 distal end of traction steel wire is connect with head end antisitic defect structure 1, and proximal end and support member 4 are fixed (such as Fig. 5),
And handle 17 is entered by introduction pipe body 6.2 proximal end of second electrode component is fixed on tube body 6.As shown in figure 3, working as handle 17
When control traction steel wire 5 is proximally shunk, drive first electrode component 2 first is expanded, while the also synchronous expansion of second electrode component 3
, according to the feature of tracheal tube, set distally small for electrode assembly, proximal end is big, and diameter difference is about 1~5mm.
It is provided with multiple electrodes on first electrode component 2 and second electrode component 3, first electrode 21, second electrode 22, the
Three electrodes 23, the 4th electrode 24, the 5th electrode 31, the 6th electrode 32, the 7th electrode 33, the 8th electrode 34, electrode are stainless steel
Material is made, and has certain elasticity, and each electrode connect handle with independent electrode cable, and handle is transmitted to branch through connector 18
Tracheae radiofrequency melting instrument.Each electrode is formed into a loop by tracheal tissue and control circuit board when use, and each electrode can be solely
The vertical resistance value that reclines for detecting electrode and tissue.When electrode paste by it is good when (detect resistance value below 900 Europe), bronchus is penetrated
Frequency ablatograph will provide RF energy and melt lesion tissue, be respectively arranged with one on first electrode component 2 and second electrode component 3
A temperature sensor 201 and 202, the temperature of energy independent detection electrode assembly surrounding tissue.
Embodiment 2
If Fig. 6 to 8 is second of embodiment of device, it is arranged first below first electrode component 2 and second electrode component 3
The first air flue of sacculus 15 is arranged in sacculus 11 and the second sacculus 12,11 proximal end of the first sacculus, and sacculus the is arranged in 12 proximal end of the second sacculus
Two air flues 16.First sacculus 11 and mutually isolated, the first air flue 15 and the mutual independence of the second tracheae 16 among the second sacculus 12
It is that the first sacculus 11 and the second sacculus 12 provide gas, when gas is entered in sacculus by sacculus air flue, first electrode 71,
Second electrode 72, third electrode 73, the 4th electrode 74, the 5th electrode 81, the 6th electrode 82, the 7th electrode 83, the 8th electrode 84,
Be pressurized expansion, electrode assembly expansion, and the air inflow of gas is that external air intake apparatus is controlled, and can be carried out by air inflow
The size of electrode assembly expansion is set, and first electrode component 2 and second electrode component 3 are independent control, to adapt to different gas
The demand of pipe lesions position size.
First electrode 71, second electrode 72, third electrode 73, the 4th electrode 74, the 5th electrode 81, the 6th electrode 82,
Seven electrodes 83, the 8th electrode 84 have an independent electrode cable, and when use, each electrode was by tracheal tissue and control circuit board shape
At circuit, each electrode independent can detect the resistance value that reclines of electrode and tissue.Divide on electrode assembly 2 and electrode assembly 3
It is not provided with a temperature sensor 201 and 202, the temperature of energy independent detection electrode assembly surrounding tissue
Embodiment 3
It is the third embodiment as shown in Figure 9, the setting of 14 spiral of first annular electrode 13 and the second annular electrode is
On one sacculus 11 and the second sacculus 12, first annular electrode 13 becomes larger with 14 outer diameter of the second annular electrode when inflated.The
Independent electrode cable is set on one annular electrode 13 and the second annular electrode 14, when use each electrode by tracheal tissue with
Control circuit board forming circuit, each electrode independent can detect the resistance value that reclines of electrode and tissue.Annular electrode 13 with
A temperature sensor 201 and 202, the temperature of energy independent detection electrode assembly surrounding tissue are respectively arranged on annular electrode 14
Degree.
As shown in Figure 10, indicator light 19 is provided on handle 17, impedance value is in 900 Europe after theoretical top electrode and tissue recline
RF ablation can be carried out below, and when below bronchus radiofrequency melting instrument detecting electrode reclines 900 Europe of impedance, indicator light becomes
Green, prompt can be melted, indicator light is aobvious when more than bronchus radiofrequency melting instrument detecting electrode reclines 900 Europe of impedance
It is shown as red, prompts not can be carried out electric discharge ablation
As shown in figure 11, a pressure sensor 20, pressure sensor both ends point are set in the regional area of traction steel wire 5
Not Lian Jie traction steel wire 2 ends, when extraction electrodes component, 5 stress of traction steel wire, pressure sensor 20 will be by identical at this time
Pulling force, handled by bronchus radiofrequency melting instrument, the shown judgement electrode paste with the degree of reclining is leaned on tissue by pulling force
When, differentiate by the pulling force of judgement traction the degree that reclines of horn and tissue
Introduction pipe body 6 can be used as guide wire, and guide wire has the lumen of energy accommodate electrod component 2 with electrode assembly 3, electricity
Pole component can be carried out free extension in guide wire, can pass through liquid, such as anti-inflammation drugs, arcotic in guide wire lumen
The lesion tissue of ablation can be entered, by guiding lumen to alleviate patient's pain and complication
The above described is only a preferred embodiment of the present invention, not doing any type of limitation to the present invention.It is all
Any simple modification, equivalent change and modification substantially to the above embodiments of technology and methods according to the present invention, still
Belong in the range of technology and methods scheme of the invention.
Claims (10)
1. a kind of multipole ablating device, characterized by comprising: electrode assembly, guiding catheter, handle and connector；
Wherein at least one chamber in the guiding catheter；
The electrode assembly, which is arranged, connects handle in guiding catheter front end, and by being routed through in guiding catheter, the electrode
Component includes one group or more of electrode group and more than one detection device, the electrode group can apply electric energy, RF energy,
Laser energy, high density focus ultrasound or cryogenic ablation, and the detection device is for detecting temperature, impedance or tension；
The electrode assembly of the handle jointing and one group or more, and include one or more operating elements, the manipulation portion
Part be for coordination electrode group contraction, open and release energy and electrode assembly can control to stretch out or retract guidance and lead
Pipe；
The connector is for providing energy to electrode.
2. multipole ablating device according to claim 1, it is characterised in that: the detection device includes temperature sensing dress
It sets, impedance detection device and tension detecting device.
3. multipole ablating device according to claim 1, it is characterised in that: the electrode group includes an electrode or multiple
Electrode, each electrode by independent electrode cable connect handle, electrode group is opened under the control of operating element be in mesh basket shape,
Helical form or sacculus shape, in the presence of multi-group electrode group, electrode group is sequentially connected in series arrangement；Electrode group is closer away from handle,
Outer diameter after opening is bigger, and the size of the outer diameter is 1~20mm.
4. multipole ablating device according to claim 3, it is characterised in that: the electrode assembly further includes traction steel wire,
The both ends of the electrode are fixed on traction steel wire, and the traction steel wire passes through guiding catheter and connects handle, and handle passes through pulling
With the contraction and opening for loosening traction steel wire coordination electrode group.
5. multipole ablating device according to claim 4, it is characterised in that: in the presence of multi-group electrode group, away from
The head end of electrode group from handle distalmost end is provided with antisitic defect structure, is connected between electrode group and electrode group by support member
It connects.
6. multipole ablating device according to claim 4, it is characterised in that: be provided with pressure sensing on the traction steel wire
Device.
7. multipole ablating device according to claim 3, it is characterised in that: the electrode assembly further includes sacculus, described
Sacculus is arranged between the electrodes, and sacculus passes through guiding catheter by sacculus air flue and connects handle, can connect air inlet by handle
Equipment, air bag be inflated swell after open electrode group；In the presence of multi-group electrode group, multiple sacculus are sequentially connected in series row
Column, multiple air bags pass through independent sacculus air flue connection handle respectively.
8. multipole ablating device according to claim 1, it is characterised in that: the guiding catheter is closer apart from handle, firmly
Degree is bigger, and hardness is distributed from shore hardness 90A~80D.
9. multipole ablating device according to claim 1, it is characterised in that: the operating element of the handle includes control electricity
Road plate and control button, the control circuit connection electrode component and control button, the control button control different electricity respectively
Different components in the component of pole.
10. multipole ablating device according to claim 3, it is characterised in that: the electrode group is in handle operating element control
Under system, one or more electrodes can be controlled and released energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111227.9U CN208243625U (en) | 2017-08-31 | 2017-08-31 | A kind of multipole ablating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111227.9U CN208243625U (en) | 2017-08-31 | 2017-08-31 | A kind of multipole ablating device |
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| Publication Number | Publication Date |
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| CN208243625U true CN208243625U (en) | 2018-12-18 |
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| CN201721111227.9U Active CN208243625U (en) | 2017-08-31 | 2017-08-31 | A kind of multipole ablating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374725A (en) * | 2017-08-31 | 2017-11-24 | 苏州信迈医疗器械有限公司 | A kind of multipole ablating device |
| CN110897710A (en) * | 2019-11-30 | 2020-03-24 | 杭州堃博生物科技有限公司 | Control method and system of pulmonary nerve ablation system and computer medium |
| CN112155712A (en) * | 2019-01-30 | 2021-01-01 | 苏州信迈医疗器械有限公司 | Radio frequency ablation instrument with energy transmission/feedback control mechanism |
| WO2023226194A1 (en) * | 2022-05-25 | 2023-11-30 | 乐普（北京）医疗器械股份有限公司 | Radio frequency ablation apparatus |
-
2017
- 2017-08-31 CN CN201721111227.9U patent/CN208243625U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374725A (en) * | 2017-08-31 | 2017-11-24 | 苏州信迈医疗器械有限公司 | A kind of multipole ablating device |
| CN107374725B (en) * | 2017-08-31 | 2023-11-03 | 苏州信迈医疗器械有限公司 | Multipole ablation device |
| CN112155712A (en) * | 2019-01-30 | 2021-01-01 | 苏州信迈医疗器械有限公司 | Radio frequency ablation instrument with energy transmission/feedback control mechanism |
| CN110897710A (en) * | 2019-11-30 | 2020-03-24 | 杭州堃博生物科技有限公司 | Control method and system of pulmonary nerve ablation system and computer medium |
| WO2023226194A1 (en) * | 2022-05-25 | 2023-11-30 | 乐普（北京）医疗器械股份有限公司 | Radio frequency ablation apparatus |
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