CN208694015U - A kind of foley's tube based on electrohydraulic effect - Google Patents
A kind of foley's tube based on electrohydraulic effect Download PDFInfo
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- CN208694015U CN208694015U CN201820361463.4U CN201820361463U CN208694015U CN 208694015 U CN208694015 U CN 208694015U CN 201820361463 U CN201820361463 U CN 201820361463U CN 208694015 U CN208694015 U CN 208694015U
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- tube
- foley
- electrode
- electrohydraulic effect
- sacculus
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Abstract
The utility model discloses a kind of foley's tube based on electrohydraulic effect, including lumen tube, sacculus, conducting liquid, electrode to and the pulse power；Lumen tube is configured as perforation balloon interior, and coaxial along its length with sacculus；Sacculus is configured as being enclosed within inner cavity tube outer surface；Conducting liquid is configured as filling balloon interior；Electrode is one or more to being configured as being fixed on the inner cavity tube outer surface of balloon interior, quantity；The pulse power provides electrode to pulse voltage needed for electric discharge, and by conducting wire and electrode to being connected；Electrode to it is electric after puncture positive and negative anodes discharging gap at conducting liquid, generate shock wave.The utility model compact generates controllable shock wave by the electrode discharge based on electrohydraulic effect, minimally invasive efficiently to remove angiosteosis stove, is particularly suitable for the de-centralized calcification treatment of blood vessel.
Description
Technical field
The utility model relates to angioplasty device fields more particularly to a kind of sacculus based on electrohydraulic effect to lead
Pipe.
Background technique
Calcific aortic is accumulation of the doped calcium object on cardiovascular aortic valve.When serious, the change of doped calcium object
So that aorta opening narrows, Oligemia causes pectoralgia or heart disease for thick meeting.Currently, calcific aortic there is no effectively
Therapeutic scheme.Existing clinical treatment means further develop including monitoring arteriosteogenesis or drug intervention reduces cholesterol levels；
Seriously narrow to valve, is treated by angioplastic operation.
Angioplasty is that built-in expandable balloon, the mechanical stress for passing through sacculus Rapid Expansion act in the blood vessel
In calcification, it is allowed to broken.But angioplastic operation is only applicable to centralization bulk calcified deposits object, can not handle dispersion or
Person is deep into the calcification of ventricle, except ca efficiency is lower and is not thorough；In addition, sacculus Rapid Expansion will lead to the pressure of vascular wall
Mutation is easy to damage blood vessel or even causes thrombus, thus therapeutic effect has certain risk.In view of disease " early discovery,
Early treatment " and the lithotrity maturely treatment for calculi in urinary system or cholecystolithiasis now, therefore use rubble
Method generates shock wave to the vascular interventional treatment of slight calcification, is that a kind of pair of vascular trauma be smaller and feasible replacement therapy hand
Section.
Therefore, those skilled in the art endeavour to develop a kind of compact, it is small to injury of blood vessel and except ca efficiency compared with
The high foley's tube based on electrohydraulic effect.
Utility model content
In view of the above drawbacks of the prior art, how technical problem to be solved in the utility model is by reasonable
Design, studies that a kind of pair of injury of blood vessel is small and except ca efficiency is higher, while the sacculus based on electrohydraulic effect of compact is led
Pipe device.
To achieve the above object, the utility model provides a kind of foley's tube based on electrohydraulic effect, including lumen tube,
Sacculus, conducting liquid and electrode pair；Wherein, the lumen tube is configured as penetrating through the balloon interior；The balloon interior is filled out
Filled with the conducting liquid；The electrode is to being configured as being fixed on the inner cavity tube outer surface of the balloon interior.
Further, the electrode is to including one or more tip-type electrodes pair.
Further, the anode of the electrode pair and cathode are needlepoint type, and tip is opposite；The anode and the cathode
Between discharging gap be configured as along the lumen tube direction or the vertical lumen tube direction.
Further, the foley's tube further includes the pulse power, and the pulse power provides the electrode to electric discharge institute
The pulse voltage needed, and by conducting wire and the electrode to being connected.
Further, the pulse power voltage range be 400V~5000V, control electric discharge duration be 1~
3us。
Further, multiple electrodes are uniformly distributed the length direction along the lumen tube, and the discharging gap is long
Degree range is 50 μm~2mm, and the positive and negative anodes of multiple electrodes pair are configured as being connected in parallel.
Further, the lumen tube is hollow cylinder.
Further, the foley's tube is also configured with the sensor for being fixed on the inner cavity pipe surface, the wave sensing
Device is connected with the pulse power；According to the signal of the sensor, the pulse power adjustment point discharge duration and
Export energy.
Further, the conducting liquid includes one of physiological saline and contrast solution or a variety of.
Further, the foley's tube is also configured there are two radiopaque developing mark, is arranged to described in label
The length of the cylindrical part of sacculus.
The utility model generates shock wave by electrode discharge based on electrohydraulic effect, by adjust shock wave it is lasting when
Between and release energy, can efficiently remove the calcified plaque of all kinds of intensity；It is provided with the configuration such as sensor simultaneously, it can be according to human body
Interior real-time condition adjusts discharge time and impulse magnitude, is particularly suitable for the de-centralized calcification treatment of blood vessel.
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the foley's tube schematic diagram based on electrohydraulic effect of the utility model one specific preferred embodiment；
Fig. 2 is the foley's tube schematic diagram based on electrohydraulic effect of another specific preferred embodiment of the utility model；
Fig. 3 is the foley's tube schematic diagram based on electrohydraulic effect of another specific preferred embodiment of the utility model；
Fig. 4 is the local inner cavity of the foley's tube based on electrohydraulic effect of the utility model another specific preferred embodiment
Pipe perspective view；
Description of symbols: 1- lumen tube；2- sacculus；3- conducting liquid；4- first electrode pair；5- second electrode pair；6-
The pulse power；7- sensor.
Specific embodiment
It elaborates below in conjunction with Figure of description to the embodiments of the present invention, keeps its technology contents clearer
Be easy to understand.The utility model can be emerged from by various forms of embodiments, the protection scope of the utility model
It is not limited only to the embodiment mentioned in text.
The size and thickness of each component shown in the drawings are to be arbitrarily shown, and the utility model does not limit each group
The size and thickness of part.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
As shown in Figure 1, being a specific preferred application embodiment of the utility model, including lumen tube 1, sacculus 2, conduction
Liquid 3, electrode to and the pulse power 6.Lumen tube 1 is configured as inside perforation sacculus 2, and coaxial along its length with sacculus 2；
Sacculus 2 is configured as being enclosed within 1 outer surface of lumen tube；Conducting liquid 3 is configured as inside filling sacculus 2；Electrode is to by first
Electrode forms 4 and second electrode to 5；First electrode pair 4 and second electrode are fixed in sacculus 2 to 5 along 1 direction of lumen tube
The anode of 1 outer surface of lumen tube in portion, first electrode pair 4 is connected to 5 anode by conducting wire with second electrode, first electrode pair
4 cathode is connected to 5 cathode by conducting wire with second electrode；Pulse voltage needed for the pulse power 6 provides point discharge, and
It is connected with first electrode pair 4 and second electrode to 5 by conducting wire.
In the present embodiment, lumen tube 1 is hollow cylinder.The pulse power 6 is with first electrode pair 4 and second electrode to 5 phases
Conducting wire even is placed in the inner cavity of lumen tube 1, and the openings and first electrode pair 4 and second electrode for passing through 1 side wall of lumen tube
It is connected to 5.To be preferably applied for curved blood vessel, it is preferable that lumen tube 1 selects cabtyre material.
In the present embodiment, 3 loading of conducting liquid should be natural cavity volume of the sacculus 2 under undeformed state.In arteries and veins
It rushes under the action of power supply 6, the positive and negative anodes point discharge or arc discharge of first electrode pair 4 and second electrode to 5, between disruptive discharge
Conducting liquid 3 at gap, conducting liquid 3 generate a large amount of bubbles, and the stress of air bubble expansion and disappearance can generate shock wave, shock wave
It is transmitted to lesions position, can soften and rupture calcified plaque, to achieve the purpose that eliminate calcification, unimpeded blood vessel.Preferably, it leads
Electro-hydraulic body 3 selects one of 3%~5% sodium bicarbonate solution, physiological saline and contrast solution or a variety of.Under point discharge,
One of sodium bicarbonate solution, physiological saline and contrast solution or mixed liquor can be produced quickly by the reversible reaction of itself
Raw carbon dioxide or vaporized gas；Point discharge pulse disappears, and gas or bubble no longer generate, and restores sacculus original state.
In the present embodiment, first electrode pair 4 and second electrode use the platinum electrode of 0.1~0.2mm of diameter to 5 anode,
Cathode uses the copper electrode of 0.1~0.2mm of diameter.Platinoid electrode fracture between outer surface is formed along 1 direction of lumen tube, is the
One electrode to 4 and second electrode to 5 discharging gap.In view of point discharge has lower breakdown voltage relative to arc discharge
With smaller electrode to and discharging gap, to advanced optimize device volume, it is preferable that electrode discharge use point discharge.
It is preferably to play the effect of hydroelectric shock wave, and reduce the damage to blood vessel as far as possible, preferably in the present embodiment
Ground, 2 outer surface of sacculus are not contacted with vascular wall, the first electrode 4 and second electrode 5 and calcification region linear distance
For 1~3mm, and discharge gap length range is 50 μm~2mm.
Fig. 2 show another preferred embodiment of the utility model.In the present embodiment, first electrode pair 4 and second
Electrode between 5 positive and negative anodes along 1 vertical direction of lumen tube outer surface formed fracture, be first electrode pair 4 and second electrode
To 5 discharging gap.To better ensure that point discharge effect, it is preferable that the 1 outer surface rounded cross section of lumen tube of discharging gap
Face arc length is 50 μm~2mm.
Fig. 3 and Fig. 4 show another preferred embodiment of the utility model, and in the present embodiment, sacculus 2 is cucurbit
Shape.
In the present embodiment, first electrode pair 4 and second electrode are provided with 5mm length to 1 outer surface of lumen tube where 5
Electrode is to sliding recess；Device is also equipped with automatic regulating system, and main includes the sensor 7 for being fixed on 1 surface of lumen tube；Sensing
Device 7 can be temperature sensor or amplitude sensor etc., and the signal that can feed back the temperature and shock wave at foley's tube is strong
Degree, and sensor 7 is connected with the pulse power 6.When the thermo-field thoery or excessive Oscillation Amplitude that sensor 7 is experienced, pulse
Power supply 6 can reduce discharge pulse amplitude or shorten discharge time；When the temperature that sensor 7 is experienced is inadequate or vibration width
Hour is spent, the pulse power 6 can increase discharge pulse amplitude or lengthen discharge time.Furthermore it is fed back by sensor 7
Signal strength can adjust the energy size of external electric pulse at any time, achieve the purpose that be precisely controlled.Preferably, the pulse power 6
Pulse duration be 1~3us, pulse energy be 30~100mJ, pulse voltage be 400V~5000V.
Foley's tube is also configured there are two radiopaque developing mark, is arranged to mark the cylindrical portion of the sacculus
The length divided, it is possible to visualise the effective length of sacculus.Preferably, lumen tube selects metal or PE, PVC, PU and coating material,
The rigidity of lumen tube can be improved using metal；And PE, PVC, PU and coating material are used, degree of flexibility can be improved, not to blood
Pipe causes to damage.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that this field ordinary skill without
It needs creative work according to the present utility model can conceive and makes many modifications and variations.Therefore, it is all in the art
Technical staff passes through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology can
It, all should be within the scope of protection determined by the claims with obtained technical solution.
Claims (10)
1. a kind of foley's tube based on electrohydraulic effect, which is characterized in that including lumen tube, sacculus, conducting liquid and electrode pair；
Wherein, the lumen tube is configured as penetrating through the balloon interior；The balloon interior is filled with the conducting liquid；The electricity
Extremely to being configured as being fixed on the inner cavity tube outer surface of the balloon interior.
2. as described in claim 1 based on the foley's tube of electrohydraulic effect, which is characterized in that the electrode to include one or
Multiple tip-type electrodes pair.
3. as claimed in claim 2 based on the foley's tube of electrohydraulic effect, which is characterized in that the electrode pair anode and it is negative
Extremely needlepoint type, and tip is opposite；Discharging gap between the anode and the cathode is configured as along the lumen tube side
To or the vertical lumen tube direction.
4. as described in claim 1 based on the foley's tube of electrohydraulic effect, which is characterized in that the foley's tube further includes arteries and veins
Power supply is rushed, the pulse power provides the electrode to pulse voltage needed for electric discharge, and passes through conducting wire with the electrode to phase
Even.
5. as claimed in claim 4 based on the foley's tube of electrohydraulic effect, which is characterized in that the pulse power voltage range
For 400V~5000V, the duration for controlling electric discharge is 1 μ of μ s~3 s.
6. as claimed in claim 3 based on the foley's tube of electrohydraulic effect, which is characterized in that multiple electrodes are to along described
The length direction of lumen tube is uniformly distributed, and the discharge gap length range is 50 μm~2mm, and multiple electrodes pair are just
Cathode is configured as being connected in parallel.
7. as described in claim 1 based on the foley's tube of electrohydraulic effect, which is characterized in that the lumen tube is hollow circuit cylinder
Body.
8. as claimed in claim 4 based on the foley's tube of electrohydraulic effect, which is characterized in that the foley's tube is also configured with
It is fixed on the sensor of the inner cavity pipe surface, the sensor is connected with the pulse power；According to the letter of the sensor
Number, the pulse power adjustment point discharge duration and output energy.
9. as described in claim 1 based on the foley's tube of electrohydraulic effect, which is characterized in that the conducting liquid includes physiology
One of salt water and contrast solution are a variety of.
10. as described in claim 1 based on the foley's tube of electrohydraulic effect, which is characterized in that the foley's tube also configures
There are two radiopaque developing marks, are arranged to mark the length of the cylindrical part of the sacculus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820361463.4U CN208694015U (en) | 2018-03-16 | 2018-03-16 | A kind of foley's tube based on electrohydraulic effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820361463.4U CN208694015U (en) | 2018-03-16 | 2018-03-16 | A kind of foley's tube based on electrohydraulic effect |
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| Publication Number | Publication Date |
|---|---|
| CN208694015U true CN208694015U (en) | 2019-04-05 |
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ID=65911958
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| CN201820361463.4U Active CN208694015U (en) | 2018-03-16 | 2018-03-16 | A kind of foley's tube based on electrohydraulic effect |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452426A (en) * | 2018-03-16 | 2018-08-28 | 上海心至医疗科技有限公司 | A kind of foley's tube based on electrohydraulic effect |
| CN112869827A (en) * | 2021-01-06 | 2021-06-01 | 苏州中荟医疗科技有限公司 | Electrode device for generating seismic waves and using method |
| CN113633345A (en) * | 2021-08-24 | 2021-11-12 | 江苏朴芃医疗科技有限公司 | A stent system for endovascular calcification plaque treatment |
-
2018
- 2018-03-16 CN CN201820361463.4U patent/CN208694015U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452426A (en) * | 2018-03-16 | 2018-08-28 | 上海心至医疗科技有限公司 | A kind of foley's tube based on electrohydraulic effect |
| CN112869827A (en) * | 2021-01-06 | 2021-06-01 | 苏州中荟医疗科技有限公司 | Electrode device for generating seismic waves and using method |
| CN112869827B (en) * | 2021-01-06 | 2022-09-20 | 苏州中荟医疗科技有限公司 | Electrode device for generating seismic waves and using method |
| CN113633345A (en) * | 2021-08-24 | 2021-11-12 | 江苏朴芃医疗科技有限公司 | A stent system for endovascular calcification plaque treatment |
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