CN107714128A - The intelligent controllable vascular occlusion device of flush type - Google Patents
The intelligent controllable vascular occlusion device of flush type Download PDFInfo
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- CN107714128A CN107714128A CN201710884280.0A CN201710884280A CN107714128A CN 107714128 A CN107714128 A CN 107714128A CN 201710884280 A CN201710884280 A CN 201710884280A CN 107714128 A CN107714128 A CN 107714128A
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- China
- Prior art keywords
- electroactive polymer
- housing
- polymer material
- actuator
- vascular occlusion
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00212—Electrical control of surgical instruments using remote controls
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00411—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like actuated by application of energy from an energy source outside the body
Abstract
The present invention relates to a kind of flush type intelligently controllable vascular occlusion device, including housing, actuator and control module.Housing accommodates blood vessel, and carries actuator and control module;Control module provides electric energy and control signal to actuator;Actuator includes fixture, electroactive polymer material and moving member, and after energization, electroactive polymer material deforms upon and drives moving member to move, and the blood vessel to being included into housing produces extruding, so that the gradual locking of blood vessel.The present invention be directed to what is treated before intracranial aneurysm, tumor of base of skull or the demand of other cerebral diseases, and existing treatment blocking lesion blood supply internal carotid method deficiency in advance and design.The present apparatus can completely implant, and it is wrapped in outside blood vessel, controllably, slowly inaccessible internal carotid, the brain tissue of internal carotid blood supply is set to obtain the compensatory blood supply of other blood vessels, break away from the dependence to the artery, then cerebral infarction would not be caused by cutting off internal carotid again, be created conditions for disease treatment.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of intelligent controllable vascular occlusion device of flush type.
Background technology
The intracranial aneurysm incidence of disease is 0.4%-3.6%, wherein there are about 10% is giant aneurysm(Such as the prominent huge artery of bed
Knurl).Risk of rupture be present in aneurysm, once rupture threat to life, it is therefore necessary to actively carry out surgical procedure.But huge artery
Knurl volume is big, can not interventional embolization, can not also carry out surgical clips and close, treatment it is very intractable.Therapeutic strategy is usually first at present
Internal carotid is blocked, aneurysm is then carried out and isolates and bypass operation of building bridge.
The tumor of base of skull of huge wrapping internal carotid, tumour is extremely close with internal carotid relation, and separation is difficult, excision
During tumour, internal carotid and category branch are difficult to preserve, or even often have to the internal carotid by tumour wrapping together with swollen
Knurl is cut off in the lump.
The treatment of both the above disease surgery is both needed to blocking lesion side internal carotid, but internal carotid is closed or cut by folder suddenly
Having no progeny can cause the brain tissue of arterial distal blood supply to block, and produce serious consequence.
Traditional means to save the situation is:It is external in advance before surgery to press Ipsilateral internal carotid(Matas is tested), by arteria carotis communis
The 6th transverse process of cervical vertebra is pressed to, exercise daily is several times.Through repetition training after a while, contralateral internal carotid is promoted to build
Found the collateral circulation compensation to Ipsilateral.If being resistant to more than 30min to press and show without cerebral ischemia, offside side shoot generation can be considered
Abundant opening is repaid, meets the condition that Ipsilateral internal carotid is cut off in art.Ipsilateral internal carotid cut-out is now carried out in theory, can be with
Avoid distal end cerebrum ischemia infraction.But the experiment is by external manual operations, poor reliability, though sometimes by pressure measurement by compression of neck,
But still there is severe reaction after internal carotid amputation.
Also there is the method that internal carotid artery occlusion is carried out by neck implantation instrument.Operation is implanted into internal carotid blood vessel in neck
Folder closes device, but existing device some want it is exposed infection risk is higher in vitro, not clinical commonly used.
An also method is to intervene intravascular balloon embolism, interruption artery blood flow.But this method can only carry out it is short
Temporarily, disposable blood vessel blocking(30 minutes), long-term slowly vascular occlusion process can not be realized, thrombosis wind also be present
Danger.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of flush type intelligently controllable vascular occlusion device, the device can
To meet the inaccessible Ipsilateral internal carotid of safety in advance, and asked efficiently against technology present in existing internal carotid artery occlusion technology
Topic.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:
A kind of flush type intelligently controllable vascular occlusion device, including housing, actuator and control module, have in the housing and pass through
Wear the passage of housing, the housing can free closure or openness so that blood vessel can be included into or remove passage;The control mould
Block is used for control signal and provides electric energy to actuator;The actuator be arranged on housing in, the actuator include fixture,
Electroactive polymer material and moving member, the fixture are arranged in inner walls, and the moving member is arranged on the fixation
Between part and the passage, the electroactive polymer material is arranged between the fixture and the moving member, its one end
Be fixedly connected on on fixture, other end connection moving member, after the actuator is powered, the electroactive polymer material hair
Raw deformation simultaneously drives moving member to move, and the moving member is produced to the blood vessel being included into the passage in moving process and squeezed
Pressure, so that the gradual locking of blood vessel.This blocking device can completely implant, and realize outside blood vessel controllably, slowly locking,
During artery gradually occlusion, promote the brain tissue of internal carotid blood supply to obtain the compensatory blood supplies of other blood vessels, break away from pair
The dependence of Ipsilateral internal carotid.Until device entirely shuts internal carotid, patient tolerance and when being showed without ischemic, then cut off in neck
Artery would not cause cerebral infarction, be created conditions for disease treatment.
Further, position corresponding with passage on the housing is provided with opening and for being turned on and off being open
Door.
Further, the electroactive polymer material is provided with multiple.
Further, the electroactive polymer material is evenly distributed between the fixture and the moving member.
Further, the electroactive polymer material is the electroactive polymer film of multilayer folding.
Further, the electroactive polymer material is electroactive polymer fibre bundle.
Further, the electroactive polymer material is the electroactive polymer film for being rolled into cylindrical shape.
Further, spring is also equipped between the fixture and the moving member, the spring is used to resist electric work
The stretching force of property polymeric material.
Further, installed independently of each other between the spring and the electroactive polymer material.
Further, the spring housing is outside the electroactive polymer material;Or the electroactive polymer material
To be rolled into the electroactive polymer film of cylindrical shape, the spring, which is inserted into, to be rolled into the electroactive polymer film of cylindrical shape.
Further, the control module device is on the inwall of housing.
Further, the control module includes control chip, voltage transformation module and battery pack.
Further, the control module is provided with radio receiving unit, for receiving and recognizing the signal being wirelessly transferred.
Further, be additionally provided with fixed structure on the housing, the fixed structure be annular projection, annular groove or
Person tunnel.
The present invention is related to the brain that inaccessible internal carotid is needed in therapeutic process for treatment intracranial aneurysm, tumor of base of skull etc.
Portion's Disease Concern, and the existing deficiency for blocking internal carotid method, devising one kind can completely implant and be located at blood vessel
Outer controllable blocking device.The blocking device can be fully implanted in vivo, be partially exposed at it is external compared with, blood vessel clip closes device
Reduce wound infection risk;The blocking device is arranged on outside blood vessel simultaneously, with carrying out locking blood vessel using intravascular balloon expansion
Compared to avoiding thrombosis risk.The device can slow inaccessible internal carotid, during artery gradually occlusion, in neck
The brain tissue of artery blood supply can obtain the compensatory blood supply of other blood vessels, break away from the dependence to internal carotid, then cut off neck again
Interior artery would not cause cerebral infarction, be created conditions for disease treatment.The present apparatus includes insurance design simultaneously, and by external
It is program control, the contraction and extension of actuator can be freely adjusted, can be through vitro program controlled control if locking is too fast to cause malaise symptoms
Locking velocity or retraction actuator release vascular compression, or cut off the electricity supply, and make the automatic tethered sliding part retraction of spring, play guarantee
The effect of latching process safety, ensures patient safety.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention;
Fig. 2 is the structural representation in present invention when overlooking visual angle relative to Fig. 1;
Fig. 3 is the structural representation of A-A planing surfaces in Fig. 1;
Fig. 4 is that spring housing is mounted in the structural representation being rolled into outside the electroactive polymer film of cylindrical shape;
Fig. 5 is structural representation of the spring housing outside electroactive polymer fibre bundle;
Fig. 6 is structural representation of the spring housing outside the electroactive polymer film of multilayer folding;
Fig. 7 is that spring is inserted into the structural representation being rolled into the electroactive polymer film of cylindrical shape;
Fig. 8 is the structural representation when fixed structure of the present invention is annular projection;
Fig. 9 is the structural representation when fixed structure of the present invention is annular groove;
Figure 10 is the structural representation when fixed structure of the present invention is tunnel;
Wherein, the piece number in figure is expressed as:
1. housing, 3. control modules, 4. blood vessels, 11. passages, 12., 21. fixtures, 22. electroactive polymer materials, 23.
Moving member, 24. springs, 25. annular projections, 26. annular grooves, 27. tunnels.
Embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.Principle below in conjunction with accompanying drawing to the present invention
It is described with feature, it is necessary to illustrate, in the case where not conflicting, the feature in embodiment and embodiment in the application
It can be mutually combined.The given examples are served only to explain the present invention, is not intended to limit the scope of the present invention.
Fig. 1 to Fig. 3 is refer to, intelligently controllable vascular occlusion device includes housing 1, actuator and control module 3 to flush type.
Housing 1 is used to carry control module 3 and actuator, has the passage 11 through housing 1 in housing 1, housing 1 can freely open or
Closure, so that blood vessel 4 can be included into or remove passage 11;Control module 3 is used to provide electric energy to actuator controllablely, causes
Dynamic device can deform upon after powered up, and oppress the blood vessel 4 for being included into housing 1, so that 4 gradual locking of blood vessel.
Housing 1 is made up of hard material, and the pressure of the device is applied to for resisting externus muscle or accident collision, is prevented
The only compressive deformation of housing 1, so as to its protective effect of device internal structure.Passage 11 is enclosed by housing 1 and formed, and with housing 1
Internal cavities are connected, can be by the bottom design camber of passage 11 for the ease of carrying blood vessel 4.On housing 1 with passage
11 corresponding positions, are provided with opening and the door 12 for being turned on and off opening, door 12 are lived with housing 1 by connector
Dynamic connection, makes housing 1 be easy to open and close, shortens the operating time for blood vessel 4 being included or being removed passage 11.
As shown in Fig. 8 to Figure 10, in order to prevent blocking device slides in vivo from coming off, it can be provided on housing 1
The fixed structure fixed with Surrounding muscles.Specifically, fixed structure can set the surface of housing 1 to be provided with annular projection 25,
By ring-type, convex 25 suture blocking device and Surrounding muscles, so as to the position of fixed latch device in vivo;Or in shell
The outer surface of body 1 is provided with annular groove 26, suture etc. by annular groove 26 after housing, by housing 1 and muscle suture
It is fixed;Fixed structure can also be the tunnel 27 being opened on housing 1, and the outlet of the both ends of tunnel 27 is arranged on the appearance of housing 1
Face, suture etc. pass through tunnel 27 and to be sutured with muscle, so as to the position of fixed latch device in vivo.
The present invention does not have particular/special requirement to the profile of housing 1, if but shell is that both ends have the cylindrical shape of end cap, ellipticity
Or during other smooth structures without corner angle, resistance when being implanted into human body and friction can be reduced, reduced to damaging surrounding tissue
Chance, it can also reduce it and be implanted into the sense of discomfort brought after human body and foreign body sensation.
Control module 3 be used for control signal and it is controllable provide electric energy to actuator, control module 3 includes control core
Piece, voltage conversion diaphragm and battery pack, wherein control chip are for receiving, handling, storing, output control signal, voltage conversion
Module is used for the conversion of cell output voltage, and to meet electroactive polymer material driving voltage demand, battery pack is used for control
Molding block 3 and actuator provide electric energy.
Control program can be set in control module 3 in advance, make the present invention after human body is implanted into by preset mode(When default
Between, default locking velocity and locking degree etc.)Automatically control the locking of blood vessel 4;In order to realize according to patient profiles, can also pass through
External remote control neatly adjusts the latching process of blood vessel 4, can set wireless receiving module in control module 3, for identifying and
The signal that is wirelessly transferred is received, and the signal after identification is transmitted to control chip, realizes closing for controlled in wireless blood vessel 4 in real time
Lock process;The measurement for relevant parameter, analyzing and processing and the list to actuator feedback can also be set up in control module 4
Member, blocking device is adjusted latching process according to measurement data, strengthen adaptivity.
Control module 3 may be mounted at outside housing 1 or in housing 1, but in order that the globality of the present invention is more preferable, simultaneously
Resistance when being implanted into human body and friction are reduced, can also reduce it and be implanted into the sense of discomfort brought after human body to human body and foreign body sensation, it is excellent
Control module 3 is arranged in housing 1 by choosing.
Electroactive polymer(Electroactive Polymer,EAP)(Also referred to as artificial thews material)In extra electric field
It is scalable under effect, can make electroactive polymer repeated deformation by applying external voltage, reducing or releasing applied electricity
During pressure, electroactive polymer can recover original shape, and can pass through its state of the voltage trim of regulation application.The present invention
Using the above-mentioned characteristic of electroactive polymer, to build actuator.
For actuator devices in housing 1, it includes fixture 21, electroactive polymer material 22 and moving member 23.
Fixture 21 is used to fix electroactive polymer material 22, and it is fixedly mounted on the inwall of housing 1, and fixture 21 can
To be crossbeam, can also be single or multiple fixed seats, its material can select medical plastic, rubber etc..
Electroactive polymer material 22 is arranged between fixture 21 and passage 11, one end of electroactive polymer material 22
It is fixedly connected with fixture 21, the other end is connected with moving member 23, and after actuator is powered, electroactive polymer material 22 occurs
Deformation simultaneously promotes moving member 23 to be moved to the place direction of passage 11 for accommodating blood vessel 4, and in moving process, moving member 23 is gradually to quilt
The blood vessel 4 included in the passage 11 produces extruding, so that 4 gradual locking of blood vessel.
Electroactive polymer material 22 can be provided with it is single or multiple, when electroactive polymer material 22 be provided with it is multiple
When, preferably it is evenly distributed between fixture 21 and moving member 23, so setting can be in electroactive polymer material 22
After energization deformation, make the uniform force of moving member 23, be advantageous to the locking to blood vessel 4.
As shown in figure 1, electroactive polymer material 22 can be the electroactive polymer film of multilayer folding, the film is to use
Electroactive polymer is made and includes the layered structure of electrode.After actuator is powered, the electroactive polymer of multilayer folding
Film deforms upon, and along promoting moving member 23 to move down, in moving process, moving member 23 is gradually to being included into the passage
Blood vessel 4 in 11 produces extruding, so that 4 gradual locking of blood vessel.Jagged film is formed using folding, makes actuator structure
Compact, lightweight material-saving.
Electroactive polymer material 22 in such scheme can also be the electroactive polymer film for being rolled into cylindrical shape.Circle
The electroactive polymer film of tubular is vertically installed between fixture 21 and moving member 23, after actuator is powered, cylindric electricity
Living polymer film deforms upon and axially extended, so as to promote moving member 23 to move down, in moving process, moving member
23 gradually produce extruding to the blood vessel 4 being included into the passage 11, so that 4 gradual locking of blood vessel.Electroactive polymer material
After material 22 is rolled into cylindrical shape, its axially compressed behavior improves, during axially extending after powered up and promoting moving member 23
Flexural deformation is not susceptible to, is advantageous to the accurate control to latching process, so as to improve performance of the present invention.
Electroactive polymer material 22 can also be electroactive polymer fibre bundle, the fibre bundle electroactive polymer system
Into and include electrode.The electroactive polymer material 22 is simple in construction, easily fabricated.
In the present invention, can be packaged outside actuator using film, its deformation of the actuator after encapsulation is not by film
Hinder, the preferred scheme avoids body fluid from penetrating into actuator, and protection and insulating effect are played to actuator.
Moving member 23 can be the shapes such as square, cuboid, hemisphere in this programme.When the bottom design of passage 11 is into arc
During shape, moving member 23 is preferably designed as arc with the face that blood vessel 4 contacts, is advantageous to the locking of blood vessel 4.
Such scheme is further optimized, spring is installed between fixture 21 and the moving member 23, spring
Connection fixture 21 and moving member 23 are distinguished in both ends, and the spring is used for the stretching force for resisting electroactive polymer material 22, in electricity
After compressing of the active polymer material 22 to moving member 23 releases, moving member 23 is set to reset, so as to release the pressure to blood vessel 4
Compel, strengthen the security of the present invention.
Spring can install it is single or multiple, when spring is provided with it is multiple when, it is evenly distributed on fixture 21
Between moving member 23, so setting makes spring be uniformly distributed the active force of moving member 23, in electroactive polymer material 22
After compressing to moving member 23 releases, be advantageous to moving member 23 and reset in time.
The installation form of spring can have a variety of.It will can pacify independently of each other between spring and electroactive polymer material 22
Dress(As shown in Figure 1 to Figure 3);As shown in Figures 4 to 6, can also be by spring housing outside electroactive polymer material 22, now
Electroactive polymer material 22 can be folded into cylindrical shape electroactive polymer film, electroactive polymer fibre bundle or
Electroactive polymer film of multilayer folding etc.;Or spring is inserted into and is rolled into the electroactive polymer film of cylindrical shape
(As shown in Figure 7).
Actuator is made using the electrostrictive characteristic of electroactive polymer material in the present invention, and by setting control module
So that the present invention completely can be implanted into human body, be partially exposed at it is external compared with, blood vessel clip, which closes device, reduces wound sense
Contaminate risk;And can controllably slowly inaccessible internal carotid, artery gradually occlusion during, the brain group of internal carotid blood supply
The compensatory blood supply of other blood vessels can be obtained by knitting, and break away from the dependence to internal carotid, and then cutting off internal carotid again would not make
Into cerebral infarction, created conditions for disease treatment.The blocking device is arranged on outside blood vessel simultaneously, with expanding using intravascular balloon
Locking blood vessel is compared and avoids thrombosis risk.The stretching, extension for resisting electroactive polymer material is additionally provided with the device
The spring of power, moving member is set to be resetted after the compressing of electroactive polymer material roll shaft releases, so as to release to blood vessel
Compressing, strengthen the present invention security.By vitro program controlled, the contraction and extension of actuator can be freely adjusted, if closed
Lock it is too fast cause malaise symptoms, can through it is vitro program controlled control locking velocity or retraction actuator release vascular compression, emergency
Under cut off the electricity supply, make spring automatic tethered sliding part retraction, play the effect for ensureing latching process safety.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " top ", " bottom " " interior ", " outer ", " circumference " or position relationship are based on side shown in the drawings
Position or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or the device or member that imply meaning
Part must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects
Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. the intelligent controllable vascular occlusion device of a kind of flush type, it is characterised in that including housing(1), actuator and control module
(3), the housing(1)It is interior have run through housing(1)Passage(11), the housing(1)Can free closure or openness so that
Blood vessel(4)It can be included into or remove passage(11);The control module(3)Electric energy is provided for control signal and to actuator;
The actuator is arranged on housing(1)Interior, the actuator includes fixture(21), electroactive polymer material(22)And movement
Part(23), the fixture(21)Installed in housing(1)On inwall, the moving member(23)Installed in the fixture(21)With
The passage(11)Between, state electroactive polymer material(22)Installed in the fixture(21)With the moving member(23)It
Between, its one end is fixedly connected on and fixture(21)On, other end connection moving member(23), it is described after the actuator is powered
Electroactive polymer material(23)Deform upon and drive moving member(23)It is mobile, the moving member(23)It is right in moving process
It is included into the passage(11)Interior blood vessel(4)Extruding is produced, so that blood vessel(4)Gradual locking.
2. the intelligent controllable vascular occlusion device of flush type according to claim 1, it is characterised in that the housing(1)On
With passage(11)Corresponding position is provided with opening and the door for being turned on and off opening(12).
3. the intelligent controllable vascular occlusion device of flush type according to claim 1, it is characterised in that the electroactive polymerization
Thing material(22)Multiple, the electroactive polymer material is installed(22)It is evenly distributed on the fixture(21)With the shifting
Moving part(23)Between.
4. the intelligent controllable vascular occlusion device of flush type according to claim 1, it is characterised in that the electroactive polymerization
Thing material(22)Electroactive polymer film for multilayer folding or the electroactive polymer film for being rolled into cylindrical shape.
5. the intelligent controllable vascular occlusion device of flush type according to claim 1, it is characterised in that the electroactive polymerization
Thing material(22)For electroactive polymer fibre bundle.
6. the intelligent controllable vascular occlusion device of flush type according to claim 1, it is characterised in that the fixture and institute
State and be also equipped with spring between moving member(24), the spring(24)For resisting electroactive polymer material(22)Stretching, extension
Power.
7. the intelligent controllable vascular occlusion device of flush type according to claim 6, it is characterised in that the spring(24)With
The electroactive polymer material(22)Between install independently of each other.
8. the intelligent controllable vascular occlusion device of flush type according to claim 6, it is characterised in that the spring(24)Set
Mounted in the electroactive polymer material(22)Outside;Or the electroactive polymer material(22)To be rolled into the electroactive of cylindrical shape
Thin polymer film, the spring(24)It is inserted into and is rolled into the electroactive polymer film of cylindrical shape.
9. the intelligent controllable vascular occlusion device of flush type according to claim 1, it is characterised in that the control module
(3)Device is in housing(1)Inwall on, the control module(3)Including control chip, voltage transformation module and battery pack, institute
State control module(3)Radio receiving unit is provided with, for receiving and recognizing the signal being wirelessly transferred.
10. the intelligent controllable vascular occlusion device of flush type according to claim 1, it is characterised in that the housing(1)On
Fixed structure is additionally provided with, the fixed structure is annular projection(25), annular groove(26)Or tunnel(27).
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Cited By (3)
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CN111991050A (en) * | 2020-07-20 | 2020-11-27 | 吴晨凯 | Artery opening and closing hemostatic device |
CN114073561A (en) * | 2022-01-20 | 2022-02-22 | 北京微刀医疗科技有限公司 | Balloon for closing blood vessel |
CN114502490A (en) * | 2019-10-10 | 2022-05-13 | 克朗斯股份公司 | Transport device and transport method for containers |
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CN105105813A (en) * | 2015-09-24 | 2015-12-02 | 中国人民解放军第三军医大学第三附属医院 | Blood vessel blocker capable of controlling blood flow volume |
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