CN208892867U - Atrial septum ostomy appliance and its atrial septum stoma system - Google Patents
Atrial septum ostomy appliance and its atrial septum stoma system Download PDFInfo
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- CN208892867U CN208892867U CN201721434639.6U CN201721434639U CN208892867U CN 208892867 U CN208892867 U CN 208892867U CN 201721434639 U CN201721434639 U CN 201721434639U CN 208892867 U CN208892867 U CN 208892867U
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- atrial septum
- stoma
- ostomy appliance
- conductive part
- sheath
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Abstract
The utility model discloses a kind of atrial septum ostomy appliance and its atrial septum stoma system, atrial septum ostomy appliance includes the stoma main body that can be radially expanded；The stoma main body is equipped with for across atrial septum and being radially expanded the distracted stoma portion of secundum tissues；At least in outer surface, circumferentially a circle is provided with the conductive part to electrically conduct with ablation power supply and control mechanism in the stoma portion, and the conductive part is at least in the surface conductance contacted with atrial septum.Atrial septum stoma system includes at least atrial septum ostomy appliance, ablation power supply and its and control device.The utility model can be recycled, without cutting tissue, being not easy to form embolism.
Description
Technical field
The utility model belongs to the field of medical instrument technology, is related to a kind of atrial septum stoma instrument percutaneously intervened, especially
It is related to a kind of atrial septum ostomy appliance and its atrial septum stoma system.
Background technique
Heart failure (abbreviation heart failure) is since any cardiac structure or dysfunction lead to ventricular filling or penetrate blood ability
One group of impaired complex clinical syndrome, main clinical manifestation are expiratory dyspnea and (activity tolerance is limited) out of strength and liquid
Body retention (pulmonary venous pleonaemia and periphery oedema).Heart failure is the serious and terminal stage of various heart diseases, and disease incidence is high, is now most
One of important cardiovascular disease.The left heart, the right heart and whole heart failure can be divided into according to the position that heart failure occurs.
Heart failure is a kind of incidence and the high serious disease of lethality.China's heart failure disease incidence be 2-3%, 12,000,000 with
On.The cause of disease of heart failure mainly has hypertension, coronary heart disease, myocardial infarction, heart valve disease, atrial fibrillation, cardiomyopathy etc..Cardiovascular disease
Disease causes left ventricle to damage, and causes left ventricle pathologic to reconstruct, causes Heart function fails.One myocardial infarction of each successful treatment
Patient, just bring a potential Patients with Cardiac Failure.
In the treatment, after optimizing drug therapy, patient symptom still recurrent exerbation, and at present drug therapy almost only to penetrating blood
The patient that score reduces has a better effect, the patient's curative effect is unsatisfactory reduced to ejection fraction.Following cardiac resynchronization therapy
(CRT) not it is suitble to all patients with heart failure, it is invalid that the patient more than 20% paces cardiac resynchronization.Left ventricle auxiliary dress
Setting (LVAD) operation needs the big complication rate of extracorporal circulatory system wound high, expensive to be difficult to obtain, and not in Discussion on Chinese Listed.The heart
Dirty transplanting is final solution, but the source of donor is very limited, and expensive.
Atrial septostomy is in patient room every place's stoma, thus the shunting between forming left atrium, for treating lung
Arterial hypertension (right-left shunt) or left heart failure (left to right shunt), and clinically demonstrate validity.
Traditional atrial septum ostomy method has the tendency that rebound in stoma Hou You cardiac muscular tissue such as sacculus septostomy,
And after a time stoma can reduce it is even fully close.It is even closed to solve the problems, such as that stoma reduces, existing skill
A kind of ostomy bracket is provided in art, a kind of implantation material shunted for atrium can be disclosed respectively, its main feature is that in percutaneous room
It is percutaneous to convey implantation material implantable shunt instrument at atrial septal puncture after being spaced centesis, to keep shunting opening unobstructed.
Another stoma instrument, including cutter device and grabbing device, instrument is when carrying out stoma to tissue, crawl dress
It sets and first the portion of tissue of required cutting is positioned and grabbed；Then grabbing device is grabbed by the cutting part of cutter device
The portion of tissue taken is cut, and the portion of tissue cut down is crawled device and takes out of in vitro, to form stoma.
Above-mentioned technology has following defects that the implantation material shunted for atrium, leaves instrument in making-port, is easy to cause
Thrombosis or instrument fall off, and form embolism.It is blocked further, since endothelium climbs the attached instrument openings that can lead to, channel, which is closed, loses
Go shunting function.In addition, cutting in the course of surgery by mechanical or electric knife to endocardial tissue, there is higher wind
Danger occurs to loosen or in recycling, may cause cut tissue loss and form bolt such as in art in grabbing device operation
Plug.In addition, if the loosening of grabbing device easily causes other cardiac muscular tissues impaired in cutting process.
Utility model content
The technical problem to be solved by the present invention is in view of the drawbacks of the prior art, providing one kind can be recycled, is not necessarily to
Cutting tissue is not easy to form the atrial septum ostomy appliance of embolism and its atrial septum stoma system.
In the utility model be proximally and distally for operator, in plugging device apart from operator it is closer one
End is proximal end, and one end far from operator is distal end.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of atrial septum ostomy appliance, including the stoma main body that can be radially expanded；
The stoma main body is equipped with for across atrial septum and being radially expanded the distracted stoma portion of secundum tissues；
At least in outer surface, circumferentially a circle is provided with and electrically conducts with ablation power supply and control mechanism for the stoma portion
Conductive part, the conductive part is at least in the surface conductance contacted with atrial septum.
Further, in the atrial septum ostomy appliance, the preferably described stoma main body is can radial contraction and expansion
Elastic support；The stoma portion is the tubular structure or ring-type that waveform bracket, network, rod-shaped scaffold or their combinations are formed
Structure.
Further, in the atrial septum ostomy appliance, the preferably described stoma portion, which is equipped with, adjusts stoma portion radial dimension
Regulating mechanism.
Further, in the atrial septum ostomy appliance, the preferably described regulating mechanism includes at least one control line, institute
Control line is stated also cross the circumferentially upper different location in stoma portion, by the length adjustment stoma for controlling the line across stoma portion circumferential direction
Portion's size.
Further, in the atrial septum ostomy appliance, the preferably described regulating mechanism includes at least two control lines, often
Control line both ends described in root are each passed through the circumferentially upper different location in stoma portion and to stoma portion center convergence bunchys, fixed to limit
Stoma portion radial dimension.
Further, in the atrial septum ostomy appliance, the preferably described conductive part is that stoma portion upper outer surface is exposed
Metal, the outer surface insulation in remaining stoma portion and stoma main body in addition to conductive part.
Further, in the atrial septum ostomy appliance, the preferably described outer surface insulation refers to be coated with absolutely on surface
Edge coating.
Further, in the atrial septum ostomy appliance, the preferably described conductive part is to be fixed on stoma portion outer surface
Metal electrode is equipped with the insulator for the conducting that avoids being powered therebetween between the conductive part and stoma portion.
Further, in the atrial septum ostomy appliance, the preferably described stoma main body is connected at least one locating piece,
The locating piece side wall surface for being located at atrial septum or the two side walls for being located at room next door simultaneously after implantation.
Further, in the atrial septum ostomy appliance, the preferably described locating piece is equipped with to be determined with what room next door reclined
Plane, position line or anchor point, the positioning surface are the face that plane, the conical surface, cambered surface or their combination are formed.
Further, in the atrial septum ostomy appliance, the preferably described locating piece is connected with thrombus arresting agency, described
Thrombus arresting agency is cage structure.
Further, in the atrial septum ostomy appliance, the preferably described stoma proximal is provided with recoverer, described
Recoverer is equipped with the connector for connecting with transportation system, and the connector is conducted with conductive part.
Further, in the atrial septum ostomy appliance, the preferably described conductive part is connected with to be contacted with secundum tissues
Temperature sensor, the temperature sensor with ablation power supply and control mechanism be electrically connected.
Further, in the atrial septum ostomy appliance, the preferably described conductive part is equipped at least one development point.
A kind of atrial septum stoma system, it is described including above-mentioned atrial septum ostomy appliance, ablation power supply and its control mechanism
It melts power supply and its control mechanism and conductive part is powered and connects.
A kind of atrial septum stoma system, including above-mentioned atrial septum ostomy appliance, ablation power supply and its control mechanism, push
Part, the ablation power supply and its control mechanism and conductive part, which are powered, to be connected, and the pushing piece and atrial septum ostomy appliance are detachable
It is fixedly connected.
A kind of atrial septum stoma system, including above-mentioned atrial septum ostomy appliance, ablation power supply and its control mechanism, pushing piece
And sheath, the ablation power supply and its control mechanism and conductive part are powered and connect, the pushing piece and atrial septum ostomy appliance can
Disassembly is fixedly connected, and the atrial septum ostomy appliance radial contraction is accommodated in sheath.
A kind of atrial septum stoma system, including above-mentioned atrial septum ostomy appliance, ablation power supply and its control mechanism, pushing piece
With sheath mechanism, the ablation power supply and its control mechanism and conductive part, which are powered, to be connected, and the pushing piece and atrial septum stoma fill
It sets and is detachably fixed connection, the sheath mechanism includes the sheath and sheath core of mutual sheathing, and the pushing piece and sheath mechanism are close
End is connected with control handle, and the atrial septum ostomy appliance radial contraction is accommodated in sheath.
A kind of atrial septum stoma system operation methods, comprising the following steps:
A, after being punctured to atrial septum, expander and sheath is pushed to by atrium sinistrum by seal wire, remove seal wire and expansion
Prop；
B, the atrial septum ostomy appliance of suitable size is selected, pusher is connected and atrial septum ostomy appliance is taken in into loader
It is interior；
C, the atrial septum ostomy appliance in loader is delivered to sheath distal end by pusher, is directed at secundum tissues
Making-port discharges atrial septum ostomy appliance, and the secundum tissues to making-port are opened in the stoma portion of atrial septum ostomy appliance completely
It struts to form split channel；
D, judgement and after confirming that the tissue of making-port is bonded completely with the conductive part of atrial septum ostomy appliance, connection ablation electricity
Source heating；
E, after heating stops, atrial septum ostomy appliance is withdrawn from recycling, and whether measurement stoma diameter reaches expected.
Further, in the atrial septum stoma system operation methods, in the preferably described step D, by setting
Every the position that the development point on ostomy appliance is shown in heart, the tissue and atrial septum ostomy appliance of making-port are judged and confirmed
Conductive part whether be bonded completely, after fitting to be confirmed, connection pusher proximal end to ablation power supply, starting heat.
A kind of atrial septum stoma system operation methods, comprising the following steps:
A, atrial septum is punctured, seal wire is sent in left superior pulmonary vein and withdraws from piercing mechanism；
B, the connector of handle proximate end is connected to ablation power supply, and pushes to the pre- stoma instrument mounted in sheath in-core along seal wire
In vivo and it is located at sheath front end in atrium sinistrum；
C, recession sheath makes the left room locating piece of atrial septum ostomy appliance go out sheath completely, and left room locating piece opens completely, sentences
Whether disconnected left room locating piece opens completely, and pulling back sheath is tightly attached to left room locating piece on atrial septum；
D, sheath of dropping back again makes the stoma portion of atrial septum ostomy appliance go out sheath completely, and it is small that secundum tissues are strutted one
Hole；
E, it observes after determining that conductive part contacts well with secundum tissues, starting heating；
F, after heating stops, pushing sheath tube, makes right room locating piece be contracted to smaller size and take in sheath, then forward
Instrument is recycled to sheath by pushing sheath tube completely forward, and is integrally dropped back.
In the atrial septum ostomy appliance and atrial septum stoma system of the utility model, using stoma part to the room after puncture
Every being expanded, and secundum tissues are melted by conductive part, avoids cutting tissue from causing the risk of embolism, and can
To recycle the instrument after stoma, the problems such as instrument falls off is avoided.
The operating method of the utility model can need during surgery to cut tissue to avoid the prior art, cause embolism
Risk, and whole operation process, it is more smooth and easy, the instrument after stoma can be recycled, avoid instrument and fall off
The problems such as.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the B-B cross-sectional view of Fig. 1；
Fig. 4 is the structural schematic diagram of the utility model embodiment 2；
Fig. 5 is the C-C cross-sectional view of Fig. 4；
Fig. 6 is the partial enlarged view at the E of Fig. 4；
Fig. 7-8 is the stoma portion cross-sectional view of the utility model embodiment 2；
Fig. 9 is the structural schematic diagram of the utility model embodiment 3；
Figure 10 is the structural schematic diagram of the utility model embodiment 4；
Figure 11-12 is the metal electrode structure schematic diagram of the utility model embodiment 4；
Figure 13 is the atrial septum stoma system structure diagram of the utility model embodiment 5；
Figure 14 is the partial enlarged view at the D of Figure 13；
Figure 15 is the F-F cross-sectional view of Figure 13；
Figure 16 is the H-H cross-sectional view of Figure 13；
Figure 17-18 is the atrial septum ostomy appliance structural schematic diagram of the utility model embodiment 6；
Figure 19-20 is the atrial septum stoma system structure diagram of the utility model embodiment 6；
Figure 21-24 is the implant procedure procedure chart of the atrial septum stoma system of the utility model embodiment 6；
Figure 25 is the structural schematic diagram of the utility model embodiment 7.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
Embodiment 1, as shown in Figure 1-3, be the basic structure of atrial septum ostomy appliance 100.It can be radially expanded including one
Stoma main body 101；The stoma main body 101 is equipped with for across atrial septum and being radially expanded secundum tissues are distracted
Stoma portion 110；In the present embodiment, the setting of stoma portion 110 is in 101 distal end of stoma main body, and the stoma portion 110 is at least in outer surface
Circumferentially a circle be provided with ablation power supply and the conductive part 111 that electrically conducts of control mechanism, the conductive part 111 at least with
The surface conductance of atrial septum contact；It is equipped between the conductive part 111 and the stoma portion 110 and avoids the conducting that is powered therebetween
Insulating part, or the outer surface insulation in remaining stoma portion 110 and stoma main body 101 in addition to conductive part 111.
The stoma main body 101 be can radial contraction and expansion elastic support.In the present embodiment, stoma main body 101 is
Nickel alloy bracket can be cut using nickel alloy pipe, can also be woven using nickel alloy wire.Stoma main body 101
The density degree of reticular structure is set as needed, and is continuously circumferentially arranged a circle shape using diamond structure unit in the present embodiment
At.101 global shape of stoma main body can be a variety of suitable shapes such as straight tube shape, plate-like, taper, be not limited thereto.When making
When mouth main body 101 is conveyed by sheath, diameter may contract to smaller state to convey in sheath；When being discharged in heart
When, can automatic expansion to required geomery, and certain radial support can be generated to the tissue being in contact with it and acted on.
110 major function of stoma portion is to be radially expanded to strut secundum tissues, and stoma portion 110 is arranged in stoma main body
On 101, distal end, the middle part in stoma main body specifically can be set, there are many structures in stoma portion 110, need to only meet in stoma
Main body is circumferentially arranged, and can uniformly strut secundum tissues, and specifically, the stoma portion 110 is waveform bracket, network, bar
The tubular structure or cyclic structure that shape bracket or their combinations are formed.In the present embodiment, stoma portion 110 is wavy annular structure,
It is connected with the diamond structure of stoma main body 101, forms one or more layers fenestral fabric.Consistent, the stoma with stoma main body 101
Portion 110 also needs radial contraction, takes in sheath.
The stoma portion 110 be formed by shape can there are many, such as stoma portion 110 can for concave side wall or/and
Curved form, cylindrical shape, the oval cylinder either their combination of evagination.Curved form is circumferentially to form a closed curved surface
The position of structure, evagination and indent can be set as needed, and can independently form outer male structure or concave inward structure, can also incite somebody to action
Convex or concave structure, which combines, to be arranged in the same stoma portion 110.Outer male structure is such as: plate-like, billiard table shape, concave inward structure
Such as: it is dolioform, using columnar structured in the present embodiment, seamlessly transit to form an entirety with the straight tube shape of stoma main body 101
Cylindrical structure.The axial length in stoma portion is set according to actual needs, generally with the thickness matching of secundum tissues.
Conductive part 111 is arranged in stoma portion 110, and be divided into two kinds of situations according to 111 structure difference of conductive part: one is institutes
Stating conductive part 111 is exposed ferromagnetism steel plate, and another conductive part 111 is the gold for being attached to fixed on 110 outer surface of stoma portion
Belong to electrode.In the present embodiment, conductive part 111 is exposed ferromagnetism steel plate, in addition fixation can be individually arranged in ferromagnetism steel plate
In stoma portion 110, it is also possible to a part in stoma portion 110 or both integrated molding.The conduction being made of metal is separately provided
Stoma portion 110 is inlayed or is pasted onto portion 111, and a part using stoma portion 110 is the metal material for directly utilizing stoma portion 110
Conductive characteristic, the conductive part 111 are the exposed metal of 110 upper outer surface of stoma portion, are directly used as conductive part 111.It is conductive
Portion 111 refers to that directlying adopt metal is made conductive part 111 using exposed ferromagnetism steel plate, and the shape of conductive part 111 can be
According to the sheet independent of 110 shape of stoma portion cooperation, network-like, rod-shaped etc., it is arranged around 110 one-week interval of stoma portion
It is multiple.Conductive part 111 is also possible to enclose the conductive part of continuous or intermittent cyclic structure around the setting one in 110 1 weeks of stoma portion
111.The cyclic structure of one circle is to facilitate income sheath to the structure or the soft structure that can be bent of central reduction.
Since conductive part 111 is conductive for melting the portion of tissue in stoma portion 110, can only be led in corresponding stoma tissue energization
It is logical, and heart other parts cannot be had an impact.It is therefore desirable to be equipped between the conductive part 111 and the stoma portion 110
Avoid the insulating part be connected that is powered therebetween, or remaining stoma portion 110 and stoma main body 101 in addition to conductive part 111
At least insulate with the outer surface of contacting blood.It is to directly adopt stoma portion 110 to be located at trough in waveform configuration in the present embodiment
Apex structure is as conductive part 111, as shown in Fig. 2, removing conductive part 111 towards secundum tissues on 110 surface of stoma portion
Outer surface 115 is exposed metal, and all insulation is the insulating coating 102 for using Parylene for other 110 outer surfaces of stoma portion.
The outer surface insulation, which refers to, is coated with insulating coating 102 on surface.
As shown in figure 3, preferably described 101 proximal end of stoma main body is connected in order to realize that atrial septum ostomy appliance 100 recycles
Recoverer 120, the recoverer 120 are equipped with connector for connecting with transportation system, in the present embodiment, the recycling
120 proximal retraction of portion forms recovery port 121, is equipped with connector in the recovery port 121.Connector can be according to way of recycling
A variety of, the connector of the present embodiment, which is used, is provided with the nut 122 of internal screw thread 123 in recovery port 121, passes through pushing away for delivery device
The external screw thread of bar and the nut 122 of internal screw thread 123 is sent to be spirally connected.
As shown in figure 3, since conductive part 111 needs to electrically conduct with ablation power supply and control mechanism, the side for the conducting that is powered
Formula can there are many, can be directly used conducting wire connection, or with stoma main body 101 itself metal structure be connected.This implementation
Example is connected using the metal structure of stoma main body 101 itself, is applied on stoma main body 101, stoma portion 110 and 120 surface of recoverer
Insulating layer coating, since the connector and conductive part 111 conduct, then as uncoated insulation in the nut of connector 122
Layer, i.e., be not coated with insulating layer coating in the internal screw thread 123 in nut 122, be spirally connected with the pusher in transportation system, by conductive
Transportation system carries out conductive part 111 and electrically conducts with ablation power supply and control mechanism.
As shown in Fig. 2, the conductive part 111 is equipped at least one development point 113, i.e., at least one is opened up in conductive part 111
A development spot hole, the developing material, which is filled in development spot hole, forms development point 113.The present embodiment is using gold development point
113, filling mode can be inlaying, weld, being bonded for mechanically deform, and development point 113 for showing conductive part during surgery
111 position, for conductive part 111 to be accurately placed in secundum tissues making-port.
The atrial septum stoma system operation methods of the present embodiment are as follows:
1. after puncture, seal wire is sent in left superior pulmonary vein to atrial septal puncture using piercing mechanism, puncture set is removed
Part.Expander and sheath are pushed in atrium sinistrum along seal wire, remove seal wire and expander.
2. selecting the atrial septum ostomy appliance 100 of suitable size.Pusher is passed through from shuttle proximal end, atrial septum is made
The recovery port 121 of mouthful 100 proximal end recoverer 120 of device is connect with pusher distal end, and pusher of dropping back is by atrial septum ostomy appliance
In 100 income loaders.
3. connect loader distal end to sheath proximal end, being pushed forward pusher, so that atrial septum ostomy appliance 100 is delivered to sheath remote
End, observe and be located at the development point 113 that conductive part 111 is set in secundum tissues, then slowly push pusher or after
Sheath is removed, needs to guarantee that development point is located in secundum tissues in whole process, makes the stoma portion 110 of atrial septum ostomy appliance 100
It opens completely and the secundum tissues of making-port is made to strut the split channel to form a particular size, and sentenced by ultrasound or DSC
Disconnected stoma size.
After 4. the tissue of confirmation making-port is bonded completely with conductive part 111, (the ablation of connection pusher proximal end to radio-frequency power supply
Power supply), and heating parameters (such as power 50W, duration 30S) is set, then starting heating.
5. after heating stops, instrument can be recycled to sheath and removed in vitro, and measure whether stoma diameter reaches expected.
Embodiment 2, as shown in Figure 4-8, the present embodiment are to be improved on the basis of embodiment 1.Atrial septum stoma
Device 100 includes a stoma main body 101 that can be radially expanded, and the middle part of stoma main body 101 is tubulose and can be radially expanded
Stoma portion 110, at least in outer surface, circumferentially a circle is provided with and melts power supply and control mechanism and electrically lead in the stoma portion 110
Logical conductive part 111.Stoma main body 101 is overall structure made of metal wire knitted, and shape is the revolution of a bus indent
The dolioform or taper type that curved surface is formed.
The present embodiment increases locating piece on the basis of embodiment 1.The stoma main body 101 is connected at least one
Locating piece, the proximal end of the stoma main body 101 and/or at least one locating piece of distal end, the locating piece is located at room after implantation
The side wall surface at interval or the two side walls for being located at room next door simultaneously.Locating piece is used for atrial septum ostomy appliance 100
Positioning fix, make its keep stablize.The locating piece is equipped with positioning surface, position line or the anchor point to recline with room next door,
Clamping is formed by positioning surface, position line or anchor point or is compressed.Wherein the positioning surface be plane, the conical surface, cambered surface or they
Combination formed face.Position line is that locating piece and atrial septum wall surface form line contact, can be straight line, curve etc..Positioning
Point is that locating piece and atrial septum wall surface form at least one point contact.Formed positioning surface, position line, anchor point locating piece can be with
It is not construed as limiting shape and structure.As illustrated in figures 4-5, in the present embodiment, using complying with stoma main body 101 and stoma portion 110 itself
Structure form locating piece, be left room positioning respectively in being proximally and distally separately connected there are two locating piece for stoma main body 101
Part 140 and right room locating piece 150.Left room locating piece 140 is a tapered surface, and cone forms the positioning of annular distribution towards the left side
Point.Right room locating piece 150 is a flat surface structure, forms positioning surface.
As shown in Fig. 4-5,7-8, a coniform recoverer 120, recycling are connected at right 150 plane outer rim of room locating piece
The cone in portion 120 forms recovery port 121 towards the right.Cone forms recovery port 121 equipped with the metallic screw as connector
125.In addition to 125 external threaded surface 124 of 111 outer surface of conductive part and metallic screw, remaining surface is coated with Parylene insulation and applies
Layer 102.Metallic screw 125 and the pusher of transportation system are spirally connected.
As seen in figs. 5-6, in addition the structure different from embodiment 1 is: the conductive part 111 is connected with and secundum tissues
The temperature sensor of contact, the temperature sensor are electrically connected with ablation power supply and control mechanism.Specifically, in stoma portion 110
On, a miniature thermistor 130 is provided with as temperature sensor, and the both ends of thermistor 130 are welded with two mutually insulateds
Plain conductor 131,132.Miniature thermistor 130 is wrapped in two layers of PI film 133 with good insulating performance, and two layers
Film 133 is integrated and thermistor 130 is fully enclosed around thermistor 130 by welding fusion.Pass through suture
134, PI film 133 and stoma portion 110 are stitched together.Conducting wire 131 and 132 stretches out PI thin-film package by fusion area, and
It is connected respectively elastomeric connector 135 and 136, can be electrically conducted with the temperature-sensing system of ablation power supply and control mechanism.
Remaining structure of the present embodiment is with embodiment 1, and details are not described herein.
The atrial septum stoma system operation methods of the present embodiment are as follows:
1. seal wire after puncture, to be sent in left superior pulmonary vein to, atrial septal puncture by sheath core and sheath using piercing mechanism
Pipe pushes in atrium sinistrum along seal wire, removes seal wire and expander.
2. selecting the atrial septum ostomy appliance 100 of suitable size.Pusher is passed through from shuttle proximal end, atrial septum is made
The recovery port 121 of mouthful 100 proximal end recoverer 120 of device is connect with pusher distal end, and pusher of dropping back is by atrial septum ostomy appliance
In 100 income loaders.
3. connect loader distal end to sheath proximal end, being pushed forward pusher, so that atrial septum ostomy appliance 100 is delivered to sheath remote
End, is then slowly pushed forward pusher, or recession sheath but need to guarantee that sheath distal end is located in atrium sinistrum, makes atrial septum ostomy appliance
100 left room locating piece opens completely, judges whether left room locating piece opens completely by ultrasound or DSC.
4. without relative motion and pulling back sheath is tightly attached to left room locating piece on atrial septum between then keeping instrument.So
Keep stoma part and pushing piece position motionless afterwards, sheath of dropping back makes that stoma portion 110 and right room locating piece fully open and right room is fixed
Position part is tightly attached on atrial septum.Atrial septum can be observed by DSC at this time whether to be bonded completely with the position of conductive part 111.
After 5. the tissue of confirmation making-port is bonded completely with conductive part 111, (the ablation of connection pusher proximal end to radio-frequency power supply
Power supply), and it is temperature control mode, selection parameter (such as 70 degree of temperature, duration 30S), then starting heating that heating mode, which is arranged,.
6. after heating stops, instrument can be recycled to sheath and removed in vitro, and measure whether stoma diameter reaches expected.
Embodiment 3, the present embodiment are improved on the basis of embodiment 1-2.As shown in figure 9, atrial septum ostomy appliance 100
Including a tubulose and the stoma main body 101 that can be radially expanded and stoma portion 110, the stoma portion 110 is at least on outer surface edge
A circumferential circle is provided with the conductive part 111 to electrically conduct with ablation power supply and control mechanism.
Stoma main body 101 and stoma portion 110 are overall structure made of metal wire knitted, their shape is cylindrical shape.
Equally, the present embodiment increases locating piece on the basis of embodiment 1.There are two locating pieces for the connection of stoma main body 101, plant
Enter the two side walls that the rear locating piece is located at room next door.In the present embodiment, using complying with stoma main body 101 and stoma
The structure in portion 110 itself extends to form locating piece, in the distal end in stoma portion 110 and the proximal end of stoma main body 101, is connected separately with
Two locating pieces are left room locating piece 140 and right room locating piece 150 respectively.Left room locating piece 140 and right room locating piece 150 are
Planar process flange-like.Planar process flange-like, which refers to, to be contacted with atrial septum side wall as plane contact.
Other than above structure, the preferably described locating piece of the present embodiment is connected with thrombus arresting agency.The thrombus is arrested
Mechanism is cage structure, and thrombus arresting agency uses braiding structure, can be with stoma main body 101 and stoma portion 110 and positioning
Part integral structure, Co-knit form, and thrombus arresting agency can also be separately provided, then form an entirety knot by welding
Structure.Thrombus arresting agency and the structure of stoma main body 101 and stoma portion 110 can be the same or different, that is, the mesh woven
Size, diameter of wire etc., can be the same or different.
Cage is arrested as shown in figure 9, being connected at 140 outer rim of left room locating piece and stretching to the columned left atrial thrombus of distal end
180, the two integral structure.Left atrial thrombus arrests cage 180 and closes up in distal end, and distal end closing in face 181 is a coniform conical surface.It is right
It is connected at 150 outer rim of room locating piece and stretches to the columned right room thrombus of proximal end and arrest cage 170, the two integral structure.Right room
Thrombus arrests cage 170 and closes up in proximal end, and distal end closing in face 171 is a coniform conical surface, and cone is proximally facing and connects metal
Nut 172.Metal nuts 172 are used as recoverer and connector.
Since 111 structure of conductive part is with embodiment 1-2, then 102 structure structure of insulating coating is also identical.Except conductive part 111
172 interior threaded surface 173 of outer surface 115 and metal nuts outside, remaining surface is coated with the insulating coating of polytetrafluoroethylene (PTFE)
102。
Remaining structure of the present embodiment is with embodiment 1-2, and details are not described herein.
When in use, the thrombus in two atrial chambers arrests cage expansion to atrial septum ostomy appliance 100 in the present embodiment, will
Three-dimensional spatial area near the corresponding heating region of conductive part 111 shrouds, and anti-Hemostatic Oral Liquid enters because of the embolus being thermally formed
Blood circulation system prevents embolism.With embodiment 1-2, the atrial septum ostomy appliance 100 in the present embodiment need to be with loader, sheath
Pipe, expander, conductive pusher, ablation power supply and power connecting wire, indifferent plate electrode etc. are used in combination.
The atrial septum ostomy appliance 100 of the present embodiment without temperature-detecting device, therefore atrial septum ostomy appliance 100 with push away
It is same as Example 1 when sending part to connect and selecting heating mode.Remaining step is substantially same as Example 2, and main difference is
After atrial septum ostomy appliance 100 releases sheath, it should also observe and thrombus is made to arrest cage and be fully deployed, to guarantee that thrombus arrests cage
The embolus formed by blood heat can be arrested, to prevent it from entering blood circulation system, achievees the purpose that prevent embolism.
Embodiment 4, as shown in figs. 10-12, the present embodiment are the improvement in embodiment 1-3.Atrial septum ostomy appliance 100 wraps
Including the stoma main body 101 that can be radially expanded, the distal end of stoma main body 101 is tubulose and the stoma portion 110 that can be radially expanded,
At least in outer surface, circumferentially a circle is provided with the conductive part to electrically conduct with ablation power supply and control mechanism in the stoma portion 110
111.Stoma main body 101 and stoma portion 110 are all branching rod structure, and You Duogen strut interconnection is formed, and shape is cylindrical shape
Or oval cylinder.In the present embodiment, locating piece is formed using the structure for complying with stoma portion 110 itself, as shown in Figure 10, left room is fixed
Position part 140 is a flat surface structure, forms positioning surface.
The difference of the present embodiment is conductive part 111 using metal electrode.As shown in Figure 10, metal electrode uses metal electrode
190, as shown in figure 12, metal electrode 190 is by 194 adhesive 191, PI bottom liner 192, electrode copper layer 193 and PI coating groups
At.As shown in figure 11, profile mainly includes that electrode portion 195, wire portion 196 and interconnecting piece 197 form.Electrode portion 195 is by glue
Layer 191, PI bottom liner 192, electrode copper layer 193 are constituted；Wire portion 196 is by glue-line 191, PI bottom liner 192, electrode copper layer 193 and PI
Coating 194 is constituted；Interconnecting piece 197 at electrode copper layer 193 by constituting.
Between metal electrode 190 and stoma portion 110 be equipped with avoid therebetween be powered conducting insulator, or with institute
The stoma portion 110 for stating 190 joint place of metal electrode is at least surface insulation.Both modes can use, and insulator can be with
Using various ways such as insulation spacer, insulating coating, insulating sleeves, the NiTi of atrial septum ostomy appliance 100 is closed in the present embodiment
Golden 101 surface of bracket is fully electroplated with the insulating coating 102 of PI, forms insulator, insulate with the metal electrode 190.
In the distal end in stoma portion 110 and the proximal end of stoma main body 101, it is connected separately with a locating piece and recoverer 120,
Specifically, planar process flange-like left room locating piece 140 and coniform recoverer 120 are connected separately with.The convergence of 120 proximal end of recoverer
The connector 151 as connector is formed, connector 151 is a tubular structure, and is distributed along the circumference with 8 fixation holes 152.
Remaining structure of the present embodiment is with embodiment 1-3, and details are not described herein.
Embodiment 5, the present embodiment are the structures implemented in embodiment above-described embodiment 1-4 cooperation.
The present embodiment is a kind of atrial septum stoma system, atrial septum ostomy appliance 100, ablation electricity including embodiment 1-4
Source and its control mechanism, the ablation power supply and its control mechanism and conductive part 111, which are powered, to be connected.Atrial septum ostomy appliance 100,
Ablation power supply and its control mechanism are the basic structure of atrial septum stoma system.It melts power supply and its control mechanism includes ablation electricity
Source and control device two parts, wherein ablation power supply, for powering, control device is for melting control.
On the basis of above structure, a kind of atrial septum stoma system, including above-mentioned atrial septum ostomy appliance 100, ablation
Power supply and its control mechanism, pushing piece, the ablation power supply and its control mechanism and conductive part 111, which are powered, to be connected, the push
Part is detachably fixed with atrial septum ostomy appliance 100 and connect.
On the basis of above structure, a kind of atrial septum stoma system, including above-mentioned atrial septum ostomy appliance, ablation power supply
And its control mechanism, pushing piece and sheath mechanism, the ablation power supply and its control mechanism and conductive part 111, which are powered, to be connected, institute
It states pushing piece and is detachably fixed with atrial septum ostomy appliance 100 and is connect, the sheath mechanism includes the sheath and sheath of mutual sheathing
Core, the pushing piece and sheath mechanism proximal end are connected with control handle, and 100 radial contraction of atrial septum ostomy appliance is accommodated in
In sheath.
It is described in detail by taking embodiment 4 as an example below:
Atrial septum ostomy appliance 100 is with embodiment 4, and details are not described herein.
As shown in Figure 10,13-16, the pushing piece 200 in pusher selects the double lumen tube with cavity 201, cavity 202
210.The mechanical connection area 203 of the connector 151 of 200 distal end of pushing piece and 100 proximal end of atrial septum ostomy appliance between
It is connected by the method for hot melt.Connection method is that the connector 151 of 100 proximal end of atrial septum ostomy appliance is placed on pushing piece 200
Distally, and outside the tubulose connector 151 of atrial septum ostomy appliance 100 it is cased with PE protection pipe 220 and forms mechanical connection area 203.
Meanwhile making the wire portion 195 of metal electrode 190 across tubulose connector 151 and PE protection pipe 220.
As shown in figures 13-16,203 lower section of mechanical connection area of pushing piece 200, is provided with and is electrically connected area 204.Electrically connect
Connect the connection ring 230 that area 204 includes a metal.The interconnecting piece 196 and connection ring 230 of metal electrode 190 are electrical by welding
Conducting.
A conducting wire 240 is provided in the cavity 202 of pushing piece 200,240 front end of conducting wire passes through pipe at connection ring 230
Wall 205 is simultaneously electrically conducted with connection ring 230 by welding.PE protection pipe 220 extends always backward from 200 front end of pushing piece, directly
To covering a segment length behind connection ring 230.It is electrically connected in area 204, all material also fuses together, and weld is complete
It is fused to material internal, to guarantee to be electrically connected safe and reliable.
Sheath 400 includes sheath lumen 401, and pushing piece 200 is located in sheath lumen 401.Sheath core 300 is located at 200 chamber of pushing piece
In body 201.Sheath core 300 is by the PEEK pipe 310 with cavity 311 and the TIP for being connected to sheath core front end and matching with sheath 400
First 320 composition.
Pushing piece 200, sheath 400,300 rear end of sheath core are connect with handle 500 respectively.The proximal end setting that handle 500 connects
There is the connector 510 connecting with ablation power supply.240 proximal end of conducting wire of pushing piece 200 and connector 510 are electrically connected.Handle 500 is arranged
There is mutually independent movement mechanism, pushing piece 200, sheath 400, the mutually independent movement of sheath core 300 may be implemented.
In the present embodiment, atrial septum ostomy appliance 100, pushing piece 200, sheath core 300, sheath 400 and handle 500 are a set of
Complete system, the atrial septum stoma system operation methods of the present embodiment are as follows:
1. using piercing mechanism to atrial septal puncture after puncture, seal wire being sent in left superior pulmonary vein and withdraws from puncture
External member.
2. connecting the connector 510 of handle proximate end to radio-frequency power supply (ablation power supply), and will be in advance mounted in sheath in-core along seal wire
Stoma instrument 100 pushes in vivo and is located at sheath front end in atrium sinistrum.
3. recession sheath 400 makes the left room locating piece of atrial septum ostomy appliance 100 go out sheath completely, left room locating piece is opened completely
It opens, judges whether left room locating piece opens completely by ultrasound or DSC.It needs to guarantee sheath distal end always situated in atrium sinistrum in the process
It is interior.Then it keeps between instrument without relative motion and pulling back sheath 400 is tightly attached to left room locating piece on atrial septum.
4. recession sheath 400 makes 110, the stoma portion of atrial septum ostomy appliance 100 go out sheath completely, sentenced by ultrasound or DSC
It is disconnected, and secundum tissues are strutted into an aperture.
5. observing and contacting electrode with secundum tissues well, then heating parameters (such as power 30W, when continuing is set
Between 120S), then starting heating.
Pushing sheath tube 400, make right room locating piece be contracted to smaller size and take in sheath forward after 6. heating stops,
Then instrument is recycled to sheath by pushing sheath tube completely forward, and is integrally dropped back.
Embodiment 6, the present embodiment are improvement on the basis of embodiment 1-5.
Wherein, as shown in figs. 17-18, atrial septum ostomy appliance 100 includes a tubulose and the stoma master that can be radially expanded
Body 101 and stoma portion 110, at least in outer surface, circumferentially a circle is provided with and ablation power supply and control machine in the stoma portion 110
The conductive part 111 that structure electrically conducts.Stoma main body 101 and stoma portion 110 are all branching rod structure, You Duogen strut interconnection shape
At shape is spherical or billiard table shape.In the present embodiment, prolonged using the structure for complying with stoma main body 101 and stoma portion 110 itself
It stretches to form locating piece, in the distal end in stoma portion 110 and the proximal end of stoma main body 101, is separately connected there are two locating piece, is respectively
Left room locating piece 140 and right room locating piece 150.
Atrial septum ostomy appliance 100 is with the difference of embodiment 1-4: the stoma portion 110, which is equipped with, adjusts 110 diameter of stoma portion
To the regulating mechanism 170 of size.Radial regulating mechanism 170 can be there are many embodiment, as long as realizing the knot of radial constraint
Structure is all suitable for the utility model.And due to sheath to be placed in, then regulating mechanism 170 need to radially realize contraction.Generally using soft
Property structure or stretching structure, flexible structure can be control line, and the regulating mechanism 170 includes at least two control lines 171, institute
It states 171 both ends of control line and is each passed through the circumferential upper different location in stoma portion 110 and to 110 center convergence bunchy of stoma portion.This reality
Apply in example, regulating mechanism 170 include 4 isometric control lines 171, the both ends of every control line 171 from stoma portion 110 outside to inside
The control hole 112 adjacent across two, each control hole are passed through there are two the end of a thread.Axis of all the end of a thread in stoma portion 110
The mode that place's remittance merga pass knots, which is formed, converges and is formed connection ring 172.
In another embodiment, the regulating mechanism includes a control line；The control line is also cross stoma portion week
Upward different location and both ends are fixed to limit stoma portion radial dimension.
In another embodiment, the regulating mechanism includes at least one control line；The control line passes through stoma portion week
Upward different location, the transportation system that one end of every control line is fixed on stoma portion or is connect with atrial septum ostomy appliance are remote
End, the connection of the control line other end is for controlling the control mechanism of atrial septum ostomy appliance implantation, to control stoma portion radial dimension；
In another embodiment, the regulating mechanism includes at least one control line；The control line passes through stoma portion week
Upward different location, at least one end in the both ends of every control line are pierced by by transportation system, by manual operation, with control
Stoma portion radial dimension.
If regulating mechanism can be elastic ring, helical spring etc. using stretching structure, by adjusting elastic ring, spiral
The length or diameter of spring realize the radiai adjustment in stoma portion 110.
As shown in figs. 17-18, atrial septum ostomy appliance 100 has the revolution of a bus indent in the state of complete release
The stoma portion 110 of curved surface.Conductive part 111 is provided in stoma portion 110.It is uniformly distributed on circumference at 110 minimum diameter of stoma portion
There are 4 control holes 112.
In the distal end in stoma portion 110 and the proximal end of stoma main body 101, it is connected separately with left room locating piece 140 and right room is fixed
Position part 150.Left room locating piece 140 and right room locating piece 150 are conical surface Flange-shaped Parts.It is connected at right 150 plane outer rim of room locating piece
One coniform recoverer 120,120 proximal retraction of recoverer connect metal nuts 122 in recovery port 121, recovery port 121.
As shown in Figure 19-20, pushing piece 200 includes single lumen catheter 210, conducting wire 220, distal end bolt 230, control pipe 240, leads
Lead 250 and control handle 260.Single lumen catheter 210 includes a cavity 211, and distal end bolt 230 includes a cavity 231, cavity 211
The identical and coaxial line with 231 size shape of cavity.Conducting wire 220 is placed in the tube wall 212 of single lumen catheter 210, and distal end with
Bolt 230 is electrically connected.Except bolt 230 outside flank, remaining surface is coated with the insulating coating of polytetrafluoroethylene (PTFE).
Control pipe 240 is located in the cavity 211 of single lumen catheter 210 and the cavity 231 of bolt 230, and draught line 250 is located at control
In the cavity 241 of pipe 240.240 front end of draught line can be connect with the connection ring 172 of regulating mechanism 170.Single lumen catheter 210, control pipe
240,250 proximal end of draught line is connect with control handle 260 respectively, and control handle 260 can control draught line 250, control pipe 240
Mutually indepedent movement.Control 260 proximal end of handle is provided with the connector 261 connecting with ablation power supply.220 proximal end of conducting wire and connector
261 are electrically connected.
Stoma instrument in the present embodiment when in use, also needs and loader, sheath, expander, ablation power supply and power supply
Tie, indifferent plate electrode etc. are used in combination.As further illustrated in figures 21-24, the atrial septum stoma system operation methods of the present embodiment are as follows:
1. after puncture, seal wire is sent in left superior pulmonary vein to atrial septal puncture using piercing mechanism, puncture set is removed
Part.Expander and sheath are pushed in atrium sinistrum along seal wire, remove seal wire and expander.
2. pusher 200 is passed through from shuttle proximal end, by the metal nuts 123 of 100 proximal end of atrial septum ostomy appliance with
The connection of 200 distal end bolt 230 of pusher, 240 front end of draught line is connect with the connection ring 173 of regulating mechanism 170.Pass through control
The adjustment of handle 260 control 240 distal end of pipe and the control hole 112 of atrial septum ostomy appliance 100 are in same section perpendicular to the axis,
Then adjustment draught line 250 adjusts 110 diameter of stoma portion of atrial septum ostomy appliance 100 to about 3mm.Recession pusher 200
Atrial septum ostomy appliance 100 is taken in loader.
3. connecting loader distal end to sheath proximal end, being pushed forward pusher 200 makes atrial septum ostomy appliance 100 be delivered to sheath
Distally.Then pusher or recession sheath (needing to guarantee that sheath distal end is located in atrium sinistrum in the process) are slowly pushed, atrial septum is made
The left room locating piece of ostomy appliance 100 opens completely, and referring to fig. 21.Then it keeps without relative motion and pulling back sheath between instrument
Pipe is tightly attached to left room locating piece on atrial septum, and referring to fig. 22.Then keep stoma part and pushing piece position motionless, sheath of dropping back
Pipe, makes that stoma portion 110 and right room locating piece fully open and right room locating piece is tightly attached on atrial septum, and referring to fig. 23.At this time may be used
Atrial septum is observed by DSC whether to be bonded completely with the position of conductive part 111.
4. adjustment control handle 260 makes 110 size of stoma portion reach required size, size adjustable range is 2mm~14mm.
5. after the tissue of confirmation making-port is bonded completely with conductive part 111, connecting pusher proximal end to radio-frequency power supply, and set
Heating parameters (such as power 50W, duration 30S) is set, then starting heating.
After 6. heating stops, instrument can be recycled to sheath and removed in vitro, and measure whether stoma diameter reaches expected,
Referring to fig. 24.
Embodiment 7, the present embodiment are implantable embodiments.
As shown in figure 25, the structure of the present embodiment, essentially identical with embodiment 1-4, only 121 structure of recovery port is different.
Stoma main body 101 be disk-like structure, be proximally and distally connected separately with left room locating piece 140 and right Fang Dingwei
Part 150.Left room locating piece 140 is conical surface shape flange, and right room locating piece 150 is conical surface shape flange.
The recoverer 120 for proximally stretching to axis is connected at right 150 plane outer rim of room locating piece.Recoverer 120 is at end
End is converged for 4 conductive withdrawal mouths 121, and a round recovery holes 128 are provided in recovery port 121.4 recovery ports 121 are uniformly distributed
On the circumference that diameter is greater than 110 diameter of stoma portion.Except conductive part 111 is towards the outer surface 115 of secundum tissues and recovery port
Outside 121 surface 129, remaining surface is coated with teflon insulation coating 102.The surface 129 of recovery port 121 is used for and disappears
Melt power supply and control mechanism electrically conducts.
The atrial septum stoma system operation methods of the present embodiment are as follows:
1. after puncture, seal wire is sent in left superior pulmonary vein to atrial septal puncture using piercing mechanism, puncture set is removed
Part.Expander and sheath are pushed in atrium sinistrum along seal wire, remove seal wire and expander.
2. pusher is passed through from shuttle proximal end, by the conductive recovery port 121 and pushing piece of atrial septum ostomy appliance 100
Distal end is electrical connected, and recession pusher takes in atrial septum ostomy appliance 100 in loader.
3. connecting loader distal end to sheath proximal end, being pushed forward pusher 200 makes atrial septum ostomy appliance 100 be delivered to sheath
Distally.Then pusher or recession sheath are slowly pushed, needs to guarantee that sheath distal end is located in atrium sinistrum in the process, makes atrial septum
The left room locating piece of mouth device 100 opens completely.Then it keeps between instrument without relative motion and pulling back sheath determines left room
Position part is tightly attached on atrial septum.Then keep stoma part and pushing piece position motionless, sheath of dropping back makes stoma portion 110 and right room
Locating piece and recoverer 120 fully open and right room locating piece is tightly attached on atrial septum.At this time can by DSC observe atrial septum with
Whether the position of conductive part 111 is bonded completely.
4. after the tissue of confirmation making-port is bonded completely with conductive part 111, connecting pusher proximal end to radio-frequency power supply, and set
Heating parameters (such as power 40W, duration 50S) is set, then starting heating.
After heating stops, instrument can be recycled to sheath and removed in vitro, or can be as needed, discharge stoma part completely,
It allows in its Permanent implantation body.
Claims (18)
1. a kind of atrial septum ostomy appliance, which is characterized in that including the stoma main body that can be radially expanded；
The stoma main body is equipped with for across atrial septum and being radially expanded the distracted stoma portion of secundum tissues；
At least in outer surface, circumferentially a circle is provided with the conduction to electrically conduct with ablation power supply and control mechanism in the stoma portion
Portion, the conductive part is at least in the surface conductance contacted with atrial septum.
2. atrial septum ostomy appliance according to claim 1, which is characterized in that the stoma main body be can radial contraction and
The elastic support of expansion；The stoma portion is the tubular structure that waveform bracket, network, rod-shaped scaffold or their combinations are formed
Or cyclic structure.
3. atrial septum ostomy appliance according to claim 1, which is characterized in that the stoma portion, which is equipped with, adjusts stoma portion diameter
To the regulating mechanism of size.
4. atrial septum ostomy appliance according to claim 3, which is characterized in that the regulating mechanism includes at least one control
Line processed, the control line is also cross the circumferentially upper different location in stoma portion, by the length for controlling the line across stoma portion circumferential direction
Finish dimensional is made in adjusting.
5. atrial septum ostomy appliance according to claim 3, which is characterized in that the regulating mechanism is controlled including at least two
Line processed, the every control line both ends are each passed through the circumferentially upper different location in stoma portion and to stoma portion center convergence bunchys, Gu
Determine to limit stoma portion radial dimension.
6. atrial septum ostomy appliance described in -5 any one according to claim 1, which is characterized in that the conductive part is stoma
The exposed metal of portion's upper outer surface, the outer surface insulation in remaining stoma portion and stoma main body in addition to conductive part.
7. atrial septum ostomy appliance according to claim 6, which is characterized in that the outer surface insulation refers to be applied on surface
It is covered with insulating coating.
8. atrial septum ostomy appliance according to claim 1, which is characterized in that the conductive part is to be fixed on outside stoma portion
The metal electrode on surface is equipped with the insulator for the conducting that avoids being powered therebetween between the conductive part and stoma portion.
9. atrial septum ostomy appliance described in -5 any one according to claim 1, which is characterized in that the stoma main body connection
There is at least one locating piece, the locating piece is located at the side wall surface of atrial septum or is located at room next door simultaneously after implantation
Two side walls.
10. atrial septum ostomy appliance according to claim 9, which is characterized in that the locating piece is equipped with and room next door
Positioning surface, position line or the anchor point to recline, the positioning surface are the face that plane, the conical surface, cambered surface or their combination are formed.
11. atrial septum ostomy appliance according to claim 9, which is characterized in that the locating piece is connected with thrombus and arrests
Mechanism, the thrombus arresting agency are cage structure.
12. atrial septum ostomy appliance described in -5 any one according to claim 1, which is characterized in that the stoma main body is close
End is provided with recoverer, and the recoverer is equipped with the connector for connecting with transportation system, the connector and conductive part electricity
Conducting.
13. atrial septum ostomy appliance described in -5 any one according to claim 1, which is characterized in that the conductive part connection
There is the temperature sensor contacted with secundum tissues, the temperature sensor is electrically connected with ablation power supply and control mechanism.
14. atrial septum ostomy appliance described in -5 any one according to claim 1, which is characterized in that the conductive part is equipped with
At least one development point.
15. a kind of atrial septum stoma system, which is characterized in that atrial septum ostomy appliance, ablation electricity including claim 1-14
It source and its is powered and connects with control device, the ablation power supply and its control mechanism and conductive part.
16. a kind of atrial septum stoma system, which is characterized in that atrial septum ostomy appliance, ablation electricity including claim 1-14
Source and its control mechanism, pushing piece, the ablation power supply and its control mechanism and conductive part, which are powered, to be connected, the pushing piece and room
Interval ostomy appliance is detachably fixed connection.
17. a kind of atrial septum stoma system, which is characterized in that atrial septum ostomy appliance, ablation electricity including claim 1-14
Source and its control mechanism, pushing piece and sheath, the ablation power supply and its control mechanism and conductive part, which are powered, to be connected, the push
Part is detachably fixed with atrial septum ostomy appliance and connect, and the atrial septum ostomy appliance radial contraction is accommodated in sheath.
18. a kind of atrial septum stoma system, which is characterized in that atrial septum ostomy appliance, ablation electricity including claim 1-14
Source and its control mechanism, pushing piece and sheath mechanism, the ablation power supply and its control mechanism and conductive part, which are powered, to be connected, described
Pushing piece is detachably fixed with atrial septum ostomy appliance and connect, and the sheath mechanism includes the sheath and sheath core of mutual sheathing, institute
It states pushing piece and sheath mechanism proximal end is connected with control handle, the atrial septum ostomy appliance radial contraction is accommodated in sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434639.6U CN208892867U (en) | 2017-10-31 | 2017-10-31 | Atrial septum ostomy appliance and its atrial septum stoma system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434639.6U CN208892867U (en) | 2017-10-31 | 2017-10-31 | Atrial septum ostomy appliance and its atrial septum stoma system |
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| CN208892867U true CN208892867U (en) | 2019-05-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603617A (en) * | 2020-12-17 | 2021-04-06 | 杭州诺生医疗科技有限公司 | Atrium shunting device |
| CN113352386A (en) * | 2021-06-07 | 2021-09-07 | 四川省肿瘤医院 | Individual stoma chassis cutting method |
| EP3991700A4 (en) * | 2019-06-25 | 2023-07-12 | Hangzhou Noya Medtech Co., Ltd. | Atrial septostomy device |
-
2017
- 2017-10-31 CN CN201721434639.6U patent/CN208892867U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3991700A4 (en) * | 2019-06-25 | 2023-07-12 | Hangzhou Noya Medtech Co., Ltd. | Atrial septostomy device |
| CN112603617A (en) * | 2020-12-17 | 2021-04-06 | 杭州诺生医疗科技有限公司 | Atrium shunting device |
| CN112603617B (en) * | 2020-12-17 | 2024-03-22 | 杭州诺生医疗科技有限公司 | Atrial shunt instrument |
| CN113352386A (en) * | 2021-06-07 | 2021-09-07 | 四川省肿瘤医院 | Individual stoma chassis cutting method |
| CN113352386B (en) * | 2021-06-07 | 2022-07-15 | 四川省肿瘤医院 | Individual stoma chassis cutting method |
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