CN203935269U - A kind of for regulating the pipe guide of kidney nerve - Google Patents
A kind of for regulating the pipe guide of kidney nerve Download PDFInfo
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- CN203935269U CN203935269U CN201420340676.0U CN201420340676U CN203935269U CN 203935269 U CN203935269 U CN 203935269U CN 201420340676 U CN201420340676 U CN 201420340676U CN 203935269 U CN203935269 U CN 203935269U
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Abstract
For regulating a pipe guide for kidney nerve, comprise adjusting part, rigid element and transfer unit; Adjusting part comprises electrode supporting part and a plurality of electrode; A plurality of electrodes are set to adjusting energy to be delivered to nerve; Electrode supporting part is set to carry a plurality of electrodes; Transfer unit is set to adjusting part to be transported to by adnerval position; Rigid element is arranged in transfer unit.Electrode supporting part is flexible, and pretreated for having the first shape; When rigid element electrode insertion supporting part, electrode supporting part keeps and corresponding the second shape of rigid element; When rigid element detaches from electrode supporting part, it is the first shape that electrode supporting part is replied.This utility model use is simple, cost is lower, rigid element convenient operation carrys out the shape of control electrode supporting part, thereby realizes pipe guide in endovascular movement or transmit adjusting energy.
Description
Technical field
This utility model relates to electrosurgery, relates in particular to a kind of for regulating the pipe guide of kidney nerve.
Background technology
Intractable hypertension, use still unmanageable hypertension (sBP >=160mmHg) of 3 kinds or above medicine (all having used a diuretic), more common clinically, its paathogenic factor is numerous, pathogenesis is indefinite, medication effect is very poor, and diagnosis and treatment technology are still not mature enough, become one of great difficult problem of hypertension therapeutic.
Up-to-date animal and clinical experiment digital proof for example, can be lowered intractable hypertension significantly enduringly to the adjusting of kidney nerve (removing sympathetic nerve), the renal artery radiofrequency ablation art that for example latest developments go out.Renal artery radiofrequency ablation art is a kind of by electrode catheter intravascular is sent into specific part in renal artery, discharges radio-frequency current and causes renal artery sympathetic nerve local solidification downright bad, reaches denervated Interventional technology.Radio-frequency current damage range is little, can not cause body harm, so renal artery radiofrequency ablation art has become a kind of orthosympathetic method of effective removal renal artery.
In addition, the adjusting of kidney nerve is proved to be the multiple disease relevant to kidney had to certain effect, the relevant disease that particularly kidney sympathetic nerve overactivity causes.For example, congestive heart failure (CHF) can cause abnormal high kidney sympathetic nerve activation, thereby causes the water removed from health and the minimizing of sodium, and increases the secretion of feritin.The renin secretion increasing causes kidney vasoconstriction, causes the reduction of renal blood flow.Thereby kidney can make the spiral decline of heart failure condition extend for the reaction of heart failure.
Although have report in pertinent literature or patent for regulating the orthosympathetic related equipment of renal artery, current existing apparatus has operation inconvenience, cost of manufacture is high or the defect such as inefficiency.
Therefore, this utility model provides a kind of novel for regulating the pipe guide of kidney nerve.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model be to provide a kind of easy to operate, cost of manufacture is low for regulating the neural and pipe guide for the treatment of relevant disease of kidney.Kidney is neural for being positioned at the kidney sympathetic nerve on people's renal artery, adjusting kidney nerve in this utility model refers to the activation of being removed or reduced described nerve by damage or non-invasive mode, it is a kind of for regulating the pipe guide of kidney nerve that this utility model provides, by intravasation, release regulation energy regulates the kidney sympathetic nerve on renal artery.
For achieving the above object, it is a kind of for regulating the pipe guide of kidney nerve that this utility model provides, and comprises adjusting part and transfer unit;
Described adjusting part comprises electrode supporting part and a plurality of electrode; Described a plurality of electrode is set to adjusting energy to be delivered to nerve; Described electrode supporting part is set to carry described a plurality of electrode;
Described electrode is connected with wire;
Described transfer unit is set to described adjusting part to be transported to the position near described nerve;
It is characterized in that,
Described electrode supporting part is flexible, and pretreated for having the first shape;
Described pipe guide also comprises the rigid element being arranged in described transfer unit; When described rigid element inserts described electrode supporting part, described electrode supporting part keeps and corresponding the second shape of described rigid element; When described rigid element detaches from described electrode supporting part, described electrode supporting part is replied as described the first shape;
Under described the first shape, described electrode supporting part is set to be suitable for, by described a plurality of electrodes, adjusting energy is delivered to described nerve; Under described the second shape, described electrode supporting part is set to be suitable for moving in blood vessel.
Further, the described insertion of described rigid element and described in detach by rigid element motion control mechanism and control.
Further, described rigid element is tinsel.
Described tinsel is preferably NiTi alloy.
Further, described electrode supporting part adopts memorial alloy to make.
Further, described first of described electrode supporting part be shaped as spiral type or approximate spiral type.
Further, described second of described electrode supporting part be shaped as straight or approximate straight.
Further, the diameter of described the first shape is 4-12mm.
Further, a plurality of described electrodes can be controlled and release energy separately.Whether whether an electrode is delivered to nerve by adjusting energy, adjusting energy is delivered to neural irrelevant with other electrodes; Can only there is an electrodes transfer adjusting energy.
Further, a plurality of described electrodes are controlled and are released energy simultaneously.Be that partial electrode or all electrodes transmit adjusting energy simultaneously, the state whether each electrode transmits adjusting energy is independent of each other.
Further, the cross section of described electrode is annular.
Further, the number of described electrode is 2-6, and when described electrode supporting part is during in the first shape, the distance between adjacent electrode is 4-15mm.
Further, the number of described electrode is 4.
Further, described electrode adopts platinumiridio material.
Further, described electrode is used binding agent to be bonded in described electrode supporting part.
Described binding agent is preferably UV and solidifies glue or epoxide-resin glue.
Further, described in each, electrode has the independent wire that energy is provided for it in surface within it.
Further, described wire bonds is in the inner surface of described electrode.
Further, described wire is arranged on the outside of described electrode supporting part and described transfer unit, and by the coated described electrode supporting part of the first insulating barrier and described transfer unit.
Further, the outside of described electrode supporting part and described transfer unit has the second insulating barrier, and described wire is arranged on the outside of described the first insulating barrier, and coated by described the second insulating barrier.
Further, described the first insulating barrier and/or described the second insulating barrier are that pyrocondensation macromolecular material forms.
Further, described macromolecular material is PET/FEP/PTFE/TPU.
Further, the far-end of described electrode supporting part is provided for reducing or avoiding the guard block of vascular damaged.
Further, described guard block is soft head.
Further, described guard block is made by rubber, silica gel or thermoplastic elastic material.
Further, the length of described guard block is 3-50mm.
Further, described transfer unit and described electrode supporting part are one.
Further, the far-end of described transfer unit is connected with the near-end of described electrode supporting part.
Further, described transfer unit is set to tubulose.
Further, the external diameter of described transfer unit is 0.5-1.0mm, and wall thickness is 0.05-0.15mm.
Further, described transfer unit adopts Ni-Ti alloy to make.
Further, described pipe guide also comprises the handle for gripping, and described handle is connected with the near-end of described transfer unit, and described wire is connected with described handle.
Further, described rigid element motion control mechanism is installed in described handle, and described rigid element motion control mechanism is controlled the motion of described rigid element by gear.
Further, described rigid element motion control mechanism is positioned at outside described handle, directly by manual operation, controls the motion of described rigid element.
Further, described adjusting energy is one or more in radio frequency, heat, cold, electromagnetic energy, ultrasound wave, microwave or luminous energy.
Further, the surface of described electrode supporting part is cut.
Further, described electrode supporting part surface cuts into straight-line groove according to cutting angle.
Further, described electrode supporting part surface cuts into a plurality of cylindrical grooves according to cutting angle.
Further, described cutting angle is between 30 °～80 °.
Further, described straight-line groove is identical at the described cutting angle on described electrode supporting part surface.
Further, described straight-line groove is different at the described cutting angle on described electrode supporting part surface, and described straight-line groove is greater than the described cutting angle at described electrode supporting part near-end at the described cutting angle of described electrode supporting part far-end.
Further, the cutting interval between adjacent described cylindrical groove is identical.
This utility model provide for regulating neural pipe guide, use is simple, cost is lower, supporting construction convenient operation is carried out the shape of control electrode supporting part, thereby realizes pipe guide in endovascular movement or transmit adjusting energy.Adopt this utility model disclosed for regulating neural pipe guide, without using guiding wire, operate easier, greatly reduced medical worker's workload, also for operation, strive for the valuable time, greatly increased the chance of success of operation, there is very strong Clinical practicability.
This utility model provide for regulating neural pipe guide, each electrode is controlled separately, the duty of any one electrode is not subject to the impact of other electrodes, and medical worker can according to actual needs, select one, part or all of electrode release regulation energy.Provided by the utility model for regulating neural device operation convenient, can to a plurality of neural sites, regulate simultaneously or selective control be carried out in some neural site, thereby increase work efficiency, and the accuracy that further raising is treated, and the in the situation that of some electrode failure, medical worker can select working electrode flexibly, has greatly submitted the disposal ability of equipment chance failure to, ensure normally carrying out of operation, there is important clinical meaning.
In this utility model, the abbreviation of using:
PTFE refers to politef, i.e. Polytetrafluoroethylene;
FEP refers to fluorinated ethylene propylene copolymer, i.e. Fluorinated ethylene propylene;
TPU refers to Polyurethane Thermoplastic Elastomer rubber, i.e. Thermoplastic polyurethanes;
PET refers to polyethylene terephthalate, i.e. Polyethylene terephthalate.
For convenience of explanation, in this utility model, the one end in device or close the user (or handle) of parts or the neural site that regulates away from needs is called to " far-end ", by device or parts away from user (or handle) or near needing the one end in the neural site of adjusting to be called " near-end ".
Below with reference to accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is described further, to understand fully the purpose of this utility model, feature and effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of people's kidney;
Fig. 2 is the arteriorenal structural representation of people;
Fig. 3 be an embodiment of the present utility model for regulating neural pipe guide in the first shape and structure schematic diagram;
Fig. 4 is that the pipe guide shown in Fig. 3 is in the second shape and structure schematic diagram;
Fig. 5 is the schematic diagram of the straight-line groove that the cutting angle on electrode supporting part surface is identical;
Fig. 6 is the schematic diagram of the different straight-line groove of the cutting angle on electrode supporting part surface;
Fig. 7 is the schematic diagram of the straight-line groove that the cut angle in electrode supporting part surface is different;
Fig. 8 is the schematic diagram that electrode supporting part surface is cut into a plurality of cylindrical grooves.
The specific embodiment
Fig. 1, Fig. 2 show people's kidney, the arteriorenal structure of people.
As shown in Figure 1, people's kidney comprises kidney 1 anatomically, and renal artery 2 is connected to heart via the aorta of abdominal part, and oxygen containing blood is supplied with kidney 1 by renal artery 2; The blood of deoxidation flows to heart via renal veins 3 and postcava 4 from kidney 1.
As shown in Figure 2, kidney nerve 21 extends axially along renal artery 2, and kidney neural 21 is general in the adventitia of renal artery 2.
In the present embodiment, for regulating neural pipe guide, for regulating the kidney nerve 21 being positioned on renal artery 2, described adjusting refers to the activation of being removed or reduced kidney nerve 21 by damage or non-invasive mode.For example, if (need to regulate the nerve at other position, heart related neural), or (for example need other regulative mode, need to improve neural activation), those skilled in the art can make adjustment rational expectation, that do not need to be put to creative work according to this utility model.
In the present embodiment, for regulating neural pipe guide, comprise for regulating the adjusting part 5 of described nerve, carry the transfer unit 6 of described adjusting part 5; Adjusting part 5 comprises for adjusting energy being delivered to the electrode 51 of kidney nerve and for carrying the electrode supporting part 52 of electrode 51, electrode supporting part 52 has the first shape and the second shape.Fig. 3 and Fig. 4 show respectively the first shape and second shape of electrode supporting part 52.Under the first shape, at least one electrode 51 of adjusting part 5 can be delivered to adjusting energy the position of kidney nerve, and under the second shape, adjusting part 5 is for moving at blood vessel; Pipe guide also comprises rigid element 9, rigid element 9 be set to can support electrode supporting part 52 in the second shape.
In the present embodiment, electrode 51 transmits adjusting energies and to the mode in the neural site of kidney that needs to regulate is: via blood vessel, enter human body, by renal artery inwall near neural site.Therefore the technical issues that need to address are: should realize electrode 51 and can be close to the nerve that blood vessel acts on relevant position, need again electrode 51 to move easily in blood vessel, not injured blood vessel wall.
Electrode supporting part 52 adopts memory material to make, and is heat-treated in advance the first shape, and has cavity.
As shown in Figure 3, in the present embodiment, the first shape integral body of electrode supporting part 52 is spiral type, in the footpath of blood vessel, makes progress, and the widest part of electrode supporting part 52 is larger than the second shape, can make like this electrode 51 of carrying come close to or in contact with blood vessel wall, thereby neural near kidney.
Consider that blood vessel has certain elasticity, the spiral diameter of electrode supporting part 52 is set to 4-12mm.For the less individuality of renal artery internal diameter, for example internal diameter is about 4mm, and spiral diameter that can electrode supporting part 52 is set to 5-6mm left and right; For the larger individuality of renal artery internal diameter, for example internal diameter is about 7mm, and diameter that can spiral is set to 8-9mm left and right.
The first shape of electrode supporting part 52 can be also other shape, for example, have round and smooth crooked irregular shape, so long as when described electrode supporting part is in blood vessel, the position of electrode in contact blood vessel wall.
As shown in Figure 4, rigid element 9 electrode insertion supporting parts 52, electrode supporting part 52, in the second shape, detaches electrode supporting part 52, and electrode supporting part 52 is in the first shape.。
The insertion of rigid element 9 and detaching by rigid element motion control mechanism 10 is controlled.
In a preferred embodiment of the present utility model, rigid element 9 is tinsel.
Described tinsel is preferably Ni-Ti alloy.
Electrode supporting part 52 is for being heat-treated to the helical structure with cavity.
First of electrode supporting part 52 is shaped as spiral type or approximate spiral type; Second of electrode supporting part 52 is shaped as straight shape or approximate straight shape.When electrode supporting part 52 is the first shape, at least one electrode of adjusting part 5 can be delivered to adjusting energy the position of kidney nerve; When electrode supporting part 52 is the second shape, electrode supporting part 52 is carrying electrode 51 and is moving in blood vessel.
As shown in Figure 4, in the present embodiment, second of electrode supporting part 52 is shaped as straight or approaches directly, can be also that elongate is fibrous or thread, and the cross section of this bar shaped is preferably circle or sub-circular, and the widest part of cross section is less than the interior diameter of blood vessel.Like this, under the second shape, when adjusting part 5 moves in blood vessel, adjusting part 5 can injured blood vessel wall.In the time need to regulating the nerve on renal artery, because the arteriorenal interior diameter of people is generally 4-7mm, therefore, the full-size that adjusting part 5 makes progress in arteriorenal footpath is not more than 4mm, preferably be set to 1-2mm, both can meet convenient movement in blood vessel, and there is again enough rigidity and be convenient to and make, and can reduce the size of patient's wound.As the variation of this specific embodiment, the second shape also can allow certain crooked or corrugated bending, and its cross section can be also other shape, as long as its smooth surface, can be easily injured blood vessel wall at blood in-pipe and not.
In the present embodiment for regulating the work process of pipe guide of kidney nerve as follows:
1 first by rigid element 9 electrode insertion supporting parts 52, make electrode supporting part 52 become the second shape from preformed the first shape;
2 move pipe guide to the kidney sympathetic nerve place on human body renal artery;
3 detach electrode supporting part 52 by rigid element 9, electrode supporting part 52 is from the straight spiral type that becomes, by the second recovery of shape, be the first shape, now, electrode 51 on electrode supporting part 52, be close to the nerve that blood vessel acts on relevant position, thereby discharge certain energy, play the effect that regulates this nerve site (for example, reduce or eliminate orthosympathetic activation);
4 by rigid element 9 electrode insertion supporting parts 52, and electrode load bearing component 52 is the second shape by the first transfer of shapes again;
5 shift out human body by pipe guide.
Electrode 51 is connected with the wire of feed adjustment energy, and each electrode 51 works alone, and has respectively independent wire.Whether electrode release regulation energy, irrelevant with other electrodes; Can only there be one or partial electrode transmission adjusting energy, also can work by all electrodes simultaneously, transmit adjusting energy; The state whether each electrode transmits adjusting energy is independent of each other.The inner surface of electrode 51 has the wire that energy is provided for it.Electrode supporting part 52 has the first insulating barrier with the outside of transfer unit 6, and wire is arranged on the outside of the first insulating barrier, and at coated the second insulating barrier in the outside of wire and the first insulating barrier.
When electrode 51 near need to regulate neural site time, electrode 51 discharges certain energy and also acts on this nerve site, thereby plays the effect that regulates this nerve site (for example, reduce or eliminate orthosympathetic activation).
Electrode 51 can be realized this object by heat being delivered to this nerve site.For example, heat transfer heating mechanism for neuroregulation can comprise heating ablation and the non-thermal change melting or damage, for example, the temperature of target nerve fiber can be raise and surpasses required threshold value to realize the non-thermal change melting, or surpass higher temperature to realize the thermal change melting.For example, target temperature can be in about 37 ℃-45 ℃ (for the thermal change temperature of non-heating ablation), or described target temperature can be at about 45 ℃ or higher, for the thermal change melting.
Electrode 51 also can be by realizing this object by cooling this nerve site that is delivered to.For example, the temperature of target nerve fiber is reduced to approximately 20 ℃ below to realize non-freezing thermal change, or the temperature of target nerve fiber is reduced to approximately 0 ℃ below to realize freezing thermal change.
Electrode 51 can also be realized by energy field being applied to target nerve fiber.This energy field can comprise: electromagnetic energy, radio frequency, ultrasound wave (comprising high-intensity focusing ultrasonic wave), microwave, luminous energy (comprising laser, infrared ray and near infrared ray) etc.For example, thermoinducible neuroregulation can realize by pulse or continuous heat energy field is delivered to target nerve fiber.Wherein, a kind of energy mode of comparative optimization is the pulse heat energy of pulse radiation frequency electric field or other type.The pulse heat energy of pulse radiation frequency electric field or other type can facilitate larger heat rank, longer total duration and/or the interior kidney neuroregulation of better controlled blood vessel to treat.
No matter by which kind of energy mode, realize and regulate neural object, when user is used in the present embodiment when regulating neural pipe guide to carry out work, electrode need to for example, be electrically connected to the equipment that produces this energy (radiofrequency generator) or make electrode 51 itself produce this energy.These equipment and electrode and these equipment (be for example connected to prior art well-known to those skilled in the art, in this utility model device, be provided for connecting the interface of these equipment, during use, can realize plug and play), no longer describe in detail here.
In order better to transmit adjusting energy, the cross section of electrode 51 is ring-type.When described electrode supporting part is during in the first shape, when electrode supporting part in renal artery 52 is spiral type, the position of the electrode 51 on electrode supporting part 52 in contact renal artery inwall, neural near kidney, so just can carry out adjusting work.
In the present embodiment, the number of electrode 51 is four, when electrode supporting part 52 is when the first shape (helical form), adjacent electrode 51 blood vessel axially on distance be 4-15mm.In general, while carrying out the neural ablative surgery of kidney, need to melt the 3-8 of a kidney nerve site.Therefore, when the pipe guide in use the present embodiment carries out ablative surgery, the location of Primary regulation assembly 5 (making electrode 51 contact blood vessels) can complete melting of four sites, and complete whole ablative surgery, only need to carry out the location of twice adjusting part 5.The number of electrode 51 also can be set to 2-6, if but number is too much, can increase the cost of manufacture of pipe guide; And number is less, can reduce the work efficiency of ablative surgery.
The material of electrode 51 can adopt the better or more stable metal or metal alloy of biocompatibility, platinum group metal for example, and the electrode 51 in the present embodiment adopts platinumiridios to make.
For electrode 51 is firmly arranged on electrode supporting part 52, and reduce the damage to blood vessel wall as far as possible, can use glue that electrode 51 is bonded on electrode supporting part 52, and form seamlessly transitting of 52 of electrode 51 and electrode supporting parts.Glue can select UV to solidify glue, epoxide-resin glue or its mixture, has so both had the biocompatibility that can reach medical application, again metal alloy and macromolecular material is had to certain cohesive force.
Wire is connected to energy generation apparatus, and radiofrequency generator is for example welded on the inner surface of electrode 51, and wire is arranged at the outside of electrode supporting part 52 and transfer unit 6.When a plurality of electrode is set, multiple conducting wires need to be set and respectively a plurality of electrodes be connected to energy generation apparatus.
On electrode supporting part 52, can also be provided for measuring the element of temperature, for example thermocouple, and corresponding wire.
The far-end of electrode supporting part 52 is provided for reducing or avoiding the guard block of vascular damaged, an effect of guard block is minimizing or avoids vascular damaged, while touching blood vessel wall, because self enough soft and resilience rapidly can not cause damage to blood vessel; Another effect of guard block is that whole pipe guide is played to guide effect, and when running into the bending place of blood vessel, self can be crooked according to the bending degree of blood vessel, thereby guide whole pipe guide smoothly by the bending place of blood vessel.
Guard block is soft-component relatively, can be the parts that the relatively soft macromolecular material of material is made, and in the present embodiment, guard block is soft 8, as shown in Figure 3 and Figure 4, avoids the far-end injured blood vessel of electrode supporting part 52; Soft head adopts elastomeric material to make, and elastomeric material is rubber, silica gel or thermoplastic elastomer (TPE); The length of soft head is 3-15mm, and maximum gauge is less than 1.33mm.
Guard block can be also spring, is arranged at the far-end of electrode supporting part 52, and spring adopts Ni-Ti alloy or rustless steel to make, and pitch is tight spiral, can meet elasticity requirement.The length of spring is 25-50mm, and spiral external diameter is 0.25-0.6mm, and the diameter of spring wire is 0.045-0.12mm.
Transfer unit 6 can be one with described electrode supporting part 52.
Transfer unit 6 can be also split with described electrode supporting part 52, and the far-end of transfer unit 6 is connected with the near-end of electrode supporting part 52.
Transfer unit 6 is tubulose, and external diameter is 0.5mm-1.0mm, and wall thickness is 0.05-0.15mm; Adopt Ni-Ti alloy to make; Outer surface pyrocondensation one deck macromolecular material; Macromolecular material is PET/FEP/PTFE/TPU.
For the ease of using rigid element 9 to change the shape 52 of electrode supporting part, the surface of electrode supporting part 52 is cut.Rigid element 9 control electrode supporting parts 52, make it have the first shape or the second shape, and when rigid element 9 electrode insertion supporting part 52, electrode supporting part 52 becomes straight shape from spiral type, from the first shape, becomes the second shape; When rigid element 9 detaches electrode supporting part 52, electrode supporting part 52 becomes spiral type from straight shape, from the second recovery of shape, is the first shape.
The surface of electrode supporting part 52, according to cutting angle, near-end from from the far-end of electrode supporting part 52 to electrode supporting part 52, is cut into straight-line groove or a plurality of cylindrical groove, specifically as shown in Figure 5-Figure 8.Horizontal positioned electrode supporting part 52, if be cut into straight-line groove, cutting angle is exactly the angle α of straight line and horizontal direction; If be cut into a plurality of cylindrical grooves, cutting angle is exactly line between the central point of a plurality of cylindrical grooves and the angle α in horizontal direction.
In a preferred embodiment of the present utility model, electrode supporting part surface cuts into straight-line groove according to cutting angle, specifically as shown in Fig. 5, Fig. 6 and Fig. 7.
On the surface of electrode supporting part, the straight-line groove shown in Fig. 5 is cutting angle with α=53 °, from the far-end of electrode supporting part, starts near-end to electrode supporting part, carries out cutting continuously form according to straight line.Wherein, the cutting width of straight-line groove is between 0.2449mm～0.6566mm, and the cutting angle of the straight-line groove shown in Fig. 5 on electrode supporting part is consistent.
Straight-line groove shown in Fig. 6 is divided into two parts: a part is cutting angle with α=53 °, from the far-end of electrode supporting part, cut continuously formation according to straight line; Another part is when when the electrode supporting part near-end, progressively reduces cutting angle (α '), and according to the cutting angle progressively reducing (α ') until the near-end of electrode supporting part, cut continuously formation according to straight line.
Straight-line groove shown in Fig. 7 is divided into two parts: a part is cutting angle with α=53 °, from the far-end of electrode supporting part, according to straight line, be interrupted cutting and form; Another part is when when the electrode supporting part near-end, progressively reduces cutting angle (α '), and according to the cutting angle progressively reducing (α ') until the near-end of electrode supporting part, be interrupted according to straight line that cutting forms.Wherein, the cutting width of straight-line groove is between 0.2449mm～0.6566mm.
In another preferred embodiment of the present utility model, electrode supporting part surface cuts into a plurality of cylindrical grooves according to cutting angle, as shown in Figure 8, on electrode supporting part 52, a plurality of cylindrical grooves are cutting angles with 30 °, according to the cutting interval of 0.7150mm (horizontal intervals at adjacent two cylindrical groove centers), form to proximal cut from the far-end of electrode supporting part 52.Each flute profile decorative pattern and horizontal positive direction angle are 120 °.
Pipe guide also comprises the handle 7 gripping for user.Transfer unit 6 is connected with handle 7.Wire is arranged on handle 7.Handle 7 is set to one with the connection cord of external energy generator, or the two parts that are set to connect by conversion port, and wire is connected with the connection cord of external energy generator by handle 7.
Rigid element motion control mechanism 10 can be arranged in handle 7, by handle 7, by gear, controls detaching and inserting of rigid element 9.Rigid element motion control mechanism 10 also can be arranged on handle 7 outsides, by manually directly controlling detaching and inserting of rigid element 9.In the present embodiment, as shown in Figure 3 and Figure 4, rigid element motion control mechanism 10 is arranged on the outside of handle 7, by manually detaching or insert rigid element.
More than describe preferred embodiment of the present utility model in detail.The ordinary skill that should be appreciated that this area just can be made many modifications and variations according to design of the present utility model without creative work.Therefore, all technical staff in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (40)
1. for regulating a pipe guide for kidney nerve, comprise adjusting part and transfer unit;
Described adjusting part comprises electrode supporting part and a plurality of electrode; Described a plurality of electrode is set to adjusting energy to be delivered to nerve; Described electrode supporting part is set to carry described a plurality of electrode;
Described electrode is connected with wire;
Described transfer unit is set to described adjusting part to be transported to the position near described nerve;
It is characterized in that,
Described electrode supporting part is flexible, and pretreated for having the first shape;
Described pipe guide also comprises the rigid element being arranged in described transfer unit; When described rigid element inserts described electrode supporting part, described electrode supporting part keeps and corresponding the second shape of described rigid element; When described rigid element detaches from described electrode supporting part, described electrode supporting part is replied as described the first shape;
Under described the first shape, described electrode supporting part is set to be suitable for, by described a plurality of electrodes, adjusting energy is delivered to described nerve; Under described the second shape, described electrode supporting part is set to be suitable for moving in blood vessel.
2. as claimed in claim 1ly for regulating the pipe guide of kidney nerve, it is characterized in that, the insertion of described rigid element and detaching by rigid element motion control mechanism is controlled.
3. as claimed in claim 2ly for regulating the pipe guide of kidney nerve, it is characterized in that, described rigid element is tinsel.
4. as claimed in claim 3ly for regulating the pipe guide of kidney nerve, it is characterized in that, described tinsel is NiTi alloy.
5. as claimed in claim 2ly for regulating the pipe guide of kidney nerve, it is characterized in that, described electrode supporting part adopts memorial alloy to make.
6. as claimed in claim 2ly for regulating the pipe guide of kidney nerve, it is characterized in that, described first of described electrode supporting part is shaped as spiral type or approximate spiral type.
7. as claimed in claim 2ly for regulating the pipe guide of kidney nerve, it is characterized in that, described second of described electrode supporting part is shaped as straight or approximate straight.
8. as claimed in claim 6ly for regulating the pipe guide of kidney nerve, it is characterized in that, the diameter of described the first shape is 4-12mm.
9. as claimed in claim 1ly for regulating the pipe guide of kidney nerve, it is characterized in that, a plurality of described electrodes are controlled and are released energy separately.
10. as claimed in claim 2ly for regulating the pipe guide of kidney nerve, it is characterized in that, a plurality of described electrodes are controlled and are released energy simultaneously.
11. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and the cross section of described electrode is annular.
12. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and the number of described electrode is 2-6, and when described electrode supporting part is during in the first shape, the distance between adjacent electrode is 4-15mm.
13. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and described electrode adopts platinumiridio material.
14. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and described electrode is used binding agent to be bonded in described electrode supporting part.
15. as claimed in claim 14ly is characterized in that for regulating the pipe guide of kidney nerve, and described binding agent is that UV solidifies glue or epoxide-resin glue.
16. as described in claim 9 or 10 for regulating the pipe guide of kidney nerve, it is characterized in that, described in each, electrode has an independent described wire that energy is provided for it in surface within it.
17. as claimed in claim 16ly is characterized in that for regulating the pipe guide of kidney nerve, and described wire bonds is in the inner surface of described electrode.
18. as claimed in claim 17ly is characterized in that for regulating the pipe guide of kidney nerve, and described wire is arranged on the outside of described electrode supporting part and described transfer unit, and by the coated described electrode supporting part of the first insulating barrier and described transfer unit.
19. is as claimed in claim 18 for regulating the pipe guide of kidney nerve, it is characterized in that, the outside of described electrode supporting part and described transfer unit has the second insulating barrier, and described wire is arranged on the outside of described the first insulating barrier, and coated by described the second insulating barrier.
20. as claimed in claim 19ly is characterized in that for regulating the pipe guide of kidney nerve, and described the first insulating barrier and/or described the second insulating barrier are that macromolecular material forms.
21. as claimed in claim 20ly is characterized in that for regulating the pipe guide of kidney nerve, and described macromolecular material is PET, FEP, TPU or PTFE.
22. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and the far-end of described electrode supporting part is provided for reducing or avoiding the guard block of vascular damaged.
23. as claimed in claim 22ly is characterized in that for regulating the pipe guide of kidney nerve, and described guard block is soft head.
24. as claimed in claim 22ly is characterized in that for regulating the pipe guide of kidney nerve, and described guard block is made by rubber, silica gel or thermoplastic elastic material.
25. as claimed in claim 22ly is characterized in that for regulating the pipe guide of kidney nerve, and the length of described guard block is 3-50mm.
26. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and described transfer unit and described electrode supporting part are one.
27. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and the far-end of described transfer unit is connected with the near-end of described electrode supporting part.
28. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and described transfer unit is set to tubulose.
29. as claimed in claim 28ly is characterized in that for regulating the pipe guide of kidney nerve, and the external diameter of described transfer unit is 0.5-1.0mm, and wall thickness is 0.05-0.15mm.
30. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and described transfer unit adopts Ni-Ti alloy to make.
31. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and described pipe guide also comprises the handle for gripping, and described handle is connected with the near-end of described transfer unit, and described wire is connected with described handle.
32. is as claimed in claim 31 for regulating the pipe guide of kidney nerve, and wherein, described rigid element motion control mechanism is installed in described handle, and described rigid element motion control mechanism is controlled described rigid element by gear and moved.
33. as claimed in claim 31ly is characterized in that for regulating the pipe guide of kidney nerve, and described rigid element motion control mechanism is positioned at outside described handle, directly by manual operation, control the motion of described rigid element.
34. as claimed in claim 2ly is characterized in that for regulating the pipe guide of kidney nerve, and the surface of described electrode supporting part is cut.
35. is as claimed in claim 34 for regulating the pipe guide of kidney nerve, and wherein, described electrode supporting part surface cuts into straight-line groove according to cutting angle.
36. is as claimed in claim 34 for regulating the pipe guide of kidney nerve, and wherein, described electrode supporting part surface cuts into a plurality of cylindrical grooves according to cutting angle.
37. as described in claim 35 or 36 for regulating the pipe guide of kidney nerve, wherein, described cutting angle is between 30 °～80 °.
38. is as claimed in claim 37 for regulating the pipe guide of kidney nerve, and wherein, described straight-line groove is identical at the described cutting angle on described electrode supporting part surface.
39. is as claimed in claim 34 for regulating the pipe guide of kidney nerve, wherein, described straight-line groove is different at the described cutting angle on described electrode supporting part surface, and described straight-line groove is greater than the described cutting angle at described electrode supporting part near-end at the described cutting angle of described electrode supporting part far-end.
40. is as claimed in claim 36 for regulating the pipe guide of kidney nerve, and wherein, the cutting interval between adjacent described cylindrical groove is identical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420340676.0U CN203935269U (en) | 2014-06-24 | 2014-06-24 | A kind of for regulating the pipe guide of kidney nerve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420340676.0U CN203935269U (en) | 2014-06-24 | 2014-06-24 | A kind of for regulating the pipe guide of kidney nerve |
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| CN203935269U true CN203935269U (en) | 2014-11-12 |
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| CN105326562A (en) * | 2014-06-24 | 2016-02-17 | 上海安通医疗科技有限公司 | Catheter device for regulating renal nerves |
| CN106852704A (en) * | 2015-12-08 | 2017-06-16 | 上海安通医疗科技有限公司 | A kind of radio frequency ablation catheter for renal artery |
| CN106852703A (en) * | 2015-12-08 | 2017-06-16 | 上海安通医疗科技有限公司 | A kind of radio frequency ablation catheter for renal artery |
| WO2017132935A1 (en) * | 2016-02-04 | 2017-08-10 | 上海安通医疗科技有限公司 | Multi-electrode renal artery ablation catheter |
| CN108514467A (en) * | 2018-06-12 | 2018-09-11 | 王利祥 | The protection system of local bone exposed area blood vessel and nerve after wound |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326562A (en) * | 2014-06-24 | 2016-02-17 | 上海安通医疗科技有限公司 | Catheter device for regulating renal nerves |
| CN106852704A (en) * | 2015-12-08 | 2017-06-16 | 上海安通医疗科技有限公司 | A kind of radio frequency ablation catheter for renal artery |
| CN106852703A (en) * | 2015-12-08 | 2017-06-16 | 上海安通医疗科技有限公司 | A kind of radio frequency ablation catheter for renal artery |
| CN106852704B (en) * | 2015-12-08 | 2023-11-24 | 上海安通医疗科技有限公司 | Renal artery radio frequency ablation catheter |
| WO2017132935A1 (en) * | 2016-02-04 | 2017-08-10 | 上海安通医疗科技有限公司 | Multi-electrode renal artery ablation catheter |
| CN107028651A (en) * | 2016-02-04 | 2017-08-11 | 上海安通医疗科技有限公司 | A kind of multi-electrode radio frequency ablation catheter for renal artery |
| CN108514467A (en) * | 2018-06-12 | 2018-09-11 | 王利祥 | The protection system of local bone exposed area blood vessel and nerve after wound |
| CN108514467B (en) * | 2018-06-12 | 2024-04-05 | 王利祥 | Protection system for blood vessels and nerves in local exposed bone area after trauma |
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