CN104706448B - Overlay film frame and overlay film frame induction system - Google Patents
Overlay film frame and overlay film frame induction system Download PDFInfo
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- CN104706448B CN104706448B CN201510137903.9A CN201510137903A CN104706448B CN 104706448 B CN104706448 B CN 104706448B CN 201510137903 A CN201510137903 A CN 201510137903A CN 104706448 B CN104706448 B CN 104706448B
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Abstract
Overlay film frame induction system disclosed by the invention, including outer tube, axis, offside sleeve pipe and homonymy sleeve pipe；Outer tube includes being set in the pipe shaft of axis front end and the lock-on connection being arranged on pipe shaft tail end；Axis is detachably connected by lock-on connection with pipe shaft, and junction is provided with haemostatic valve, and the axis outer surface relative with pipe shaft forms the inner chamber for placing overlay film frame with the inwall of pipe shaft；Axis sequentially passes through homonymy branch and the main body of overlay film frame；Axis extends along direction and is provided with guidewire lumen and bracing wire chamber, the end of guidewire lumen is provided with end connector, bracing wire intracavity is provided with release bracing wire, and pulling of release bracing wire stretches in described axis outside end, axis is additionally provided with locking release bracing wire to stop its bracing wire lock with respect to described bracing wire chamber movement；Homonymy sleeve pipe is set in homonymy branch and is connected with axis, and offside sleeve pipe is used for being set in the offside branch of overlay film frame, and offside branch is provided with hook.Convenient conveying overlay film frame, reduces operation risk.
Description
Technical field
The present invention relates to technical field of medical instruments, more specifically, it is related to a kind of overlay film frame and overlay film frame
Use induction system.
Background technology
Abdominal aorta flow speed is fast, pressure is high, and end furcations form left and right iliac artery, for most abdomen masters
Tremulous pulse involves the disease of common iliac artery, so being taken through minimally invasive intervention Endovascular Therapy arotic disease.For ensureing both sides
Lower limb and hypogastric normal blood supply, are typically chosen placement bifurcated stent in the case of condition license.
Due to ventral aorta Disease, often front end is available for the limited length that support lands, and support is to blood vessel wall radially
Power is crossed conference and causes vascular dilation even to rupture, and therefore support is difficult to by the static friction between front end touch-down zone support and blood vessel wall
Power obtains enough support forces.For solving this problem, current support product is passed through to arrange bare bracket or agnail, but bare bracket
And agnail, when bearing blood flow impact, has stronger active force to blood vessel, is likely to result in or brings blood vessel between art to wear
The risk that hole, post-surgical vascular tear, bare bracket corrode to blood vessel.
It can be seen that, how to provide a kind of support can either meet support and obtain enough support forces in intravascular, be avoided that again
Blood vessel is damaged, is those skilled in the art's technical barrier urgently to be resolved hurrily.
Content of the invention
It is an object of the invention to provide a kind of overlay film frame, with not enough or naked of support force solving background technology medium-height trestle
The problem that frame, agnail etc. damage to blood vessel or damage.
In order to solve above-mentioned technical problem, the present invention provides following technical scheme：
The overlay film frame that the present invention provides, for completely cutting off blood vessel, described overlay film frame includes：Main body, homonymy branch, offside
Branch and the fixing device being fixed on described overlay film frame outer surface；
Wherein：
Described homonymy branch and same one end of the described offside branch described main body of connection, and both inner chambers and described main body
Inner chamber all connect；
The overlay film that described main body, described homonymy branch and described offside branch all include support body and coat described support body,
And connected by described overlay film between the described support body being wrapped up by described overlay film；
Described support body for supporter make can be radially contracted cylinder-like structure；
Described fixing device is in order to control compression and the release of overlay film frame.
Preferably, in above-mentioned overlay film frame, the head and the tail two ends of described overlay film frame are equipped with indicating, or, described fixation
Device is made by the rope or belt of biocompatibility.
Preferably, in above-mentioned overlay film frame, the supporter of described support body is sine wave or Z-type ripple elastic waveform stereoscopic.
The use of the overlay film frame that the present invention provides：Support body in overlay film frame is to surround into cylindric knot by supporter
Structure, and can be radially contracted, covering material elasticity, fatigue durability are good simultaneously, are also by overlay film material between support body and support body
Material is connected, and is fully able to ensure can be compressed under external force before implantable intravascular, when acting on overlay film frame
During power revocation, overlay film frame discharges.Setting fixing device on overlay film frame is it is simply that compression or release in order to adjust overlay film frame
State, overlay film frame is in compressive state when not being fully achieved the state of implantable intravascular, discharges after completing implantation process again,
Facilitate operation in implantation process.Overlay film frame is fed into blood vessel after compression, and homonymy branch is separated with offside branch, is seated in
At aortic bifurcation.The main body of overlay film frame discharges in ventral aorta, and homonymy branch and offside branch are respectively in left and right iliac artery
Interior release, overlay film frame is fitted with blood vessel wall, forms new blood flow inner chamber, can reach isolation blood in the effect of blood vessel wall
Really.Enough support forces are provided to support overlay film frame at aortic bifurcation, it is to avoid support produces in the presence of fluid flow blood
Mobile.Overlay film frame, through aluminum coated steel, smooth enough, is prevented effectively from because the blood vessel erosion of bare bracket or agnail generation, blood
The generation of the events such as pipe perforation, vascular tear.Offside branch is directly entered contralateral iliac artery simultaneously, it is to avoid conventional ilium support pair
Catcher art, decreases during the docking of offside ilium support is performed the operation and increases because docking processes strong point distance, increase support is mobile, internal hemorrhage due to trauma
Risk, decreases because operating time is uncontrollable, is unfavorable for post-operative recovery when operating time is long, and is easily caused other complication
Risk.
Overlay film frame for meeting the present invention accurately, easily can be admitted to affected area, present invention also offers a kind of
Overlay film frame induction system.
The overlay film frame induction system that the present invention provides, for conveying above-mentioned overlay film frame；Described overlay film frame is with defeated
System is sent to include outer tube, axis, offside sleeve pipe and homonymy sleeve pipe；Wherein：
Described outer tube includes being set in the pipe shaft of described axis head end and the lock-on connection being arranged on described pipe shaft tail end；
Described axis is detachably connected by described lock-on connection with described pipe shaft, and connection is provided with anti-Hemostatic Oral Liquid
The haemostatic valve flowing out from the inner chamber of described pipe shaft, and the described axis outer surface relative with described pipe shaft and described pipe shaft is interior
Wall forms the inner chamber for placing described overlay film frame；Described axis sequentially passes through homonymy branch and the master of described overlay film frame
Body；Described axis extends along guidewire lumen and the bracing wire chamber extending side by side with described guidewire lumen that direction is provided through, described
The end of guidewire lumen is provided with end connector, and described bracing wire intracavity is provided with for being connected with the fixing device of described overlay film frame,
To release the release bracing wire that described fixing device controls to described stent collapses, pulling of described release bracing wire is held described in outer stretching in
Axis, described axis is additionally provided with locking described release bracing wire to stop its bracing wire lock with respect to described bracing wire chamber movement；
Described homonymy sleeve pipe is used for being set in described homonymy branch, and is connected with described axis to realize synchronizing moving；
Described offside sleeve pipe is used for being set in the offside branch of described overlay film frame, and has for mounting with auxiliary equipment
So that described offside sleeve pipe departs from the hook of described offside branch.
Preferably, in above-mentioned induction system, the tail end of described outer tube is additionally provided with grasping member；Or, described outer tube
Head end is additionally provided with indicating.
Preferably, in above-mentioned induction system, the tail end of described outer tube is additionally provided with side pipe, and described side pipe is arranged on described institute
State the described haemostatic valve front end in grasping member, and the intracavity inter-connection with described outer tube, described side pipe is provided with valve.
Preferably, in above-mentioned induction system, the head end of described axis has a flexible conical head, and described flexible conical head
Tail end diameter and the equal diameters of described pipe shaft.
Preferably, in above-mentioned induction system, described axis position corresponding with described outer tube include from tail end head-end according to
The supporting section of secondary distribution and thin segment, the diameter of described thin segment is less than described support end, and described thin segment is used for covering with described
Membrane support coordinates.
Preferably, in above-mentioned induction system, the rear end of described axis is Y shape branch, and described guidewire lumen is divided through described Y shape
In one, described bracing wire chamber passes through another in described Y shape branch, or release bracing wire overhangs one end of axis and sets
Put pulling wire handle.
Preferably, in above-mentioned induction system, described pipe shaft adopts nylon wire, glass fiber net, stainless steel cloth or spring to strengthen,
Described pipe shaft is surface-treated using hydrophilic coating.
The overlay film frame induction system that the present invention provides：Overlay film frame is fixed in the inner chamber that axis is formed with pipe shaft
Interior, the implantation of overlay film frame is realized by induction system.On outer tube, lock-on connection is set, is capable of the dismounting of outer tube and pipe shaft
It is connected, when tightening lock-on connection, axis is fixed together with pipe shaft, and relative movement can not occur, when lock-on connection is turned on,
Outer tube can produce relative movement on axis.Haemostatic valve is also set up on outer tube, effectively prevents during implantation overlay film frame
Blood flows out from inner cavity of tube body.Axis sequentially passes through homonymy branch and the main body of overlay film frame, can directly fix homonymy and divide
The direction propped up, is easy to homonymy branch and is admitted to homonymy iliac artery.Setting guidewire lumen inside axis, the seal wire sending into blood vessel in advance can
Through guidewire lumen, whole induction system can be along seal wire intravasation, for preventing the blood entering guidewire lumen from coagulating in seal wire intracavity
Gu, the tail end setting end interfaces of guidewire lumen, conveniently first carry out guidewire lumen cleaning before implant surgery starts.Release bracing wire one end
It is connected with the fixing device of overlay film frame through bracing wire chamber, one end overhangs axis, be scheduled on axis by bracing wire locking, prevention is released
Put bracing wire to move in bracing wire intracavity, unclamp bracing wire lock when needing and pull release bracing wire and just can pull release bracing wire.Setting
Homonymy sleeve pipe is set in homonymy branch, realizes the fixation of homonymy branch and axis.Setting offside sleeve pipe is set in offside branch
On, offside sleeve pipe is provided with hook, conveniently realizes the release of offside branch and after offside sleeve pipe completes the implantation of overlay film frame
Take out.
The use of overlay film frame induction system, facilitates the implantation of overlay film frame.Offside branch is compressed to load offside set
In pipe, in the compressed homonymy sleeve pipe loading on axis of homonymy branch of overlay film frame, the front end of axis passes through overlay film frame
Homonymy branch and main body, overlay film frame is fixed on axis, also cross outer tube, makes outer tube cover parcel overlay film frame, outward
Pipe plays the effect preventing overlay film frame from discharging in advance in course of conveying, and the fixing end of outer tube is fixed on axis, keeps away
Exempt from outer tube in use to depart from it is impossible to normally protect overlay film frame, thus affecting the implantation of overlay film frame.When needs are toward blood
When implanting overlay film frame in pipe, only can easily overlay film frame need to be transported to specified by membrane-covered support conveying system convenient to operate
Position.Operating time is shortened in using of membrane-covered support conveying system, reduces operation risk.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, for those of ordinary skills, do not paying creative work
Property on the premise of, can also according to these accompanying drawings obtain other accompanying drawings.
Fig. 1 is the overlay film frame structure enlarged diagram of the embodiment of the present invention；
Fig. 2 is the overlay film frame induction system structural representation of the embodiment of the present invention；
Fig. 3 is the outer tube structure schematic diagram of the embodiment of the present invention；
Fig. 4 is the middle shaft structure schematic diagram of the embodiment of the present invention；
Fig. 5 is the offside sleeve structure enlarged diagram of the embodiment of the present invention.
Wherein：
1- outer tube, 2- indicating, 3- pipe shaft, 4- haemostatic valve, 5- grasping member, 6- side pipe, 7- valve, 8- lock-on connection, 9-
Axis, 10- conehead, 11- thin segment, 12- homonymy sleeve pipe, 13- discharges bracing wire, 14- supporting section, 15-Y branch, and 16- tail end connects
Head, 17- bracing wire is locked, 18- pulling wire handle, 19- guidewire lumen, 20- offside sleeve pipe, 21- sleeve pipe pipe shaft, 22- indicating, and 23- links up with,
24- overlay film frame, 25- main body, 26- homonymy branch, 27- offside branch, 28- support body, 29- overlay film, 30 indicatings, the fixing dress of 31-
Put.
Specific embodiment
The embodiment of the present invention provides a kind of overlay film frame, with not enough or naked of support force solving background technology medium-height trestle
The problem that frame, agnail etc. damage to blood vessel or damage.
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present invention, and make the present invention real
Apply the above-mentioned purpose of example, feature and advantage can become apparent from understandable, below in conjunction with the accompanying drawings to the technology in the embodiment of the present invention
Scheme is described in further detail.
Refer to accompanying drawing 1, the figure shows the structure of overlay film frame provided in an embodiment of the present invention.
The overlay film frame 24 that the present invention provides, for completely cutting off blood vessel, including main body 25, homonymy branch 26, offside branch 27
With the fixing device 31 being fixed on overlay film frame 24 outer surface, wherein：
Homonymy branch 26 and same one end of offside branch 27 connection main body 25, and both inner chambers are equal with the inner chamber of main body 25
Connection, when overlay film frame 24 discharges completely, homonymy branch 26 and offside branch 27 respectively enter homonymy common iliac artery and offside
Common iliac artery；
Main body 25, homonymy branch 26 and offside branch 27 all include support body 28 and the overlay film 29 of cladding support body 28, and quilt
Connected by overlay film 29 between the support body 28 of overlay film 29 parcel；
Described support body 28 for supporter make can be radially contracted cylinder-like structure, can occur under external force
Radial direction deformation, changes overlay film frame 24 radial dimension, is easy to the implantation of overlay film frame；
In order to control compression and the release of overlay film frame 24, fixing device 31 operation overlay film props up described fixing device 31
Frame 24 can be compressed, fixing device 31 not operation, and overlay film frame 24 discharges.
Support body 28 in the overlay film frame 24 that the present invention provides is to surround into cylinder-like structure by supporter, and can be radially
Shrink, overlay film material compliance, fatigue durability are good simultaneously, be also to be connected by covering material, be entirely capable of between support body and support body
Enough ensure can be compressed under external force before implantable intravascular, when acting on the revocation of the power on overlay film frame 24, cover
Membrane support 24 discharges.On overlay film frame 24 setting fixing device 31 it is simply that in order to control overlay film frame 24 compression or release shape
State, overlay film frame 24 is in compressive state when not being fully achieved the state of implantable intravascular, after completing implantation position adjustment again
Release, facilitates operation in implantation process.Overlay film frame 24 is fed into blood vessel, homonymy branch 26 and offside branch 27 after compression
Separately, it is seated at aortic bifurcation.The main body 25 of overlay film frame 24 is in ventral aorta release, homonymy branch 26 and offside branch
27 discharge respectively in the common iliac artery of left and right, and overlay film frame is fitted with blood vessel wall, form new blood flow inner chamber, can reach
Isolation blood is in the effect of blood vessel wall.Enough support forces are provided to support overlay film frame at aortic bifurcation, it is to avoid support is in stream
Movement is produced in the presence of dynamic blood.Overlay film frame 24 no bare bracket and agnail, are prevented effectively from because bare bracket or agnail produce
The generation of the events such as the blood vessel erosion of life, vascular puncture, vascular tear.Offside branch 27 is directly entered contralateral iliac artery simultaneously,
Avoid the ilium support docking operation that routine is carried out in ventral aorta, decrease in the docking operation of offside ilium support due to joint
With a distance from the strong point, the excessive and support that causes is mobile, internal hemorrhage due to trauma risk, reduce as seal wire enter the operation such as offside branch difficulty when
Between uncontrollable factor, reduce that operating time is long is unfavorable for post-operative recovery, and be easily caused the risk of other complication.
Main body 25, homonymy branch 26 and offside branch 27 connect into an entirety by overlay film 29 it is ensured that whole overlay film
The intensity of support 24, rebuilds channel of blood flow simultaneously.
For convenience of the operation of implant surgery, the head and the tail two ends of overlay film frame 24 are equipped with indicating 30, can have in X-ray aobvious
Shadow, when intuitively showing support position in operation process, facilitates operation technique, permissible when deviation or mistake
Remind and make correction in time.Preoperative compression for convenience of overlay film frame 24 and postoperative release, fixing device 31 can be one kind
The structure of overlay film frame 24 binding can be provided, can select to do and be made by the rope or belt of biocompatibility, lossless to human body
Evil.
For meeting good radial contraction and the supportive of overlay film frame 24, the supporter of support body 28 be sine wave or
Z-type ripple elastic waveform stereoscopic, but it is not limited solely to both, can be other shapes, or variously-shaped combination.
Present invention also offers conveying the overlay film frame induction system of above-mentioned overlay film frame, refer to the attached drawing 2,3,4,5, its
In show the basic structure of overlay film frame induction system.
Overlay film frame induction system, for conveying above-mentioned overlay film frame 24, including outer tube 1, axis 9, offside sleeve pipe 20
And homonymy sleeve pipe 12；Wherein：
Outer tube 1 includes being set in the pipe shaft 3 of axis 9 head end and the lock-on connection 8 being arranged on pipe shaft 3 tail end, in order to protect
Shield overlay film frame 24, it is to avoid discharged in advance conveying center overlay film frame 24；
Axis 9 is detachably connected by lock-on connection 8 with pipe shaft 3, and connection is provided with pipe shaft 3 described in anti-Hemostatic Oral Liquid
Inner chamber in the haemostatic valve 3 that flows out, and the inwall of axis 9 outer surface relative with pipe shaft 3 and pipe shaft 3 formed for placing overlay film
The inner chamber of support 24, axis 9 and outer tube 1 act on for fixing in the transportation of overlay film frame 24 and protection simultaneously；Axis 9 according to
The secondary homonymy branch 26 through overlay film frame 24 and main body 25；Axis 9 extends along guidewire lumen 19 He that direction is provided through
The bracing wire chamber extending side by side with guidewire lumen 19, " seal wire is compatible, for guiding induction system by seal wire for guidewire lumen 19 and 0.035
Intravasation, the end of guidewire lumen 19 is provided with the end connector 16 being easy to connect guidewire lumen 19 washer, and bracing wire intracavity is provided with
For being connected with the fixing device of overlay film frame 24, to release the release bracing wire 13 that fixing device controls to stent collapses, release
Pulling of bracing wire 13 stretches in axis 9 outside end, axis 9 is additionally provided with locking release bracing wire 13 to stop it from moving with respect to bracing wire chamber
Dynamic bracing wire lock 17；
Homonymy sleeve pipe 12 is used for being set in homonymy branch 26, and is connected to realize synchronizing moving with axis 9, for protecting
Homonymy branch 26, it is to avoid homonymy branch discharges in advance in course of conveying；
Offside sleeve pipe 20 is used for being set in the offside branch 27 of overlay film frame 24, for protecting offside branch 27, it is to avoid
In course of conveying, offside branch discharges in advance, and has for mounting with auxiliary equipment so that offside sleeve pipe 20 departs from offside and divides
Prop up 27 hook 23, the setting of hook 23 is convenient to be operated.
The present invention provide induction system be used to convey overlay film frame 24：Overlay film frame 24 be fixed in axis 9 with
The interior intracavity that pipe shaft 3 is formed, to be realized the implantation of overlay film frame 24 by induction system.On outer tube 1, lock-on connection 8 is set, can
Realize outer tube to be connected with the dismounting of pipe shaft, when tightening lock-on connection 8, axis is fixed together with pipe shaft, can not occur relatively
Mobile, when turning on lock-on connection 8, outer tube 1 can produce relative movement on axis 9.Haemostatic valve 4 is also set up on outer tube 1, has
Effect prevents blood during implantation overlay film frame 24 from flowing out from pipe shaft 3 inner chamber.Axis 9 sequentially passes through the homonymy of overlay film frame
Branch 26 and main body 25, can directly fix the direction of homonymy branch 26, be easy to homonymy branch 26 and be admitted to homonymy iliac artery.In
The internal setting guidewire lumen 19 of axle 9, the seal wire being previously implanted blood vessel may pass through guidewire lumen 19, and whole induction system can be entered along seal wire
Enter blood vessel, the blood for preventing from entering guidewire lumen 19 solidifies in guidewire lumen 19, the tail end setting end interfaces of guidewire lumen 19, side
Just first carry out guidewire lumen 19 before implant surgery starts to clean.Release bracing wire 13 one end passes through consolidating of bracing wire chamber and overlay film frame 24
Determine device 31 to be connected, one end is overhanging to be fixed on axis 9 by bracing wire lock 17 with axis 9, stops release bracing wire 13 in bracing wire intracavity
Mobile, unclamp bracing wire lock 17 when needing and pull release bracing wire 13 and just can pull release bracing wire 13 it is not necessary to pull release
When bracing wire 13, locking bracing wire lock 17.Setting homonymy sleeve pipe 12 is set in homonymy branch, realizes homonymy branch 26 and axis
9 fixation.Setting offside sleeve pipe 20 is set in offside branch 27, and offside sleeve pipe 20 is provided with hook 23, conveniently realizes offside
Branch's release and offside sleeve pipe complete the taking-up after the implantation of overlay film frame 24.
The use process of the induction system that the present invention provides：By induction system from femoral artery puncture intravasation, when right
After side sleeve pipe hook exceedes at abdominal aortic bifurcation, unscrew the lock-on connection 8 on outer tube 1, toward post-tensioning outer tube 1, so that overlay film is propped up
Frame 24 is no longer subject to outer tube 1 protection and constraint, though overlay film frame 24 does not discharge, offside branch 26 and homonymy branch 27 can be one
Determine to open in angle.Send into snare in offside femoral artery puncture or catching device (is grabbed, takes out foreign body, device for catching in intravascular
One class medical apparatus and instruments of tool etc.).The hook grabbed on offside sleeve pipe is caught by snare or catching device, by induction system and snare
Device or catching device are worked in coordination with toward moving in vitro, guiding homonymy branch 26 and offside branch 27 support respectively enter homonymy common iliac artery and
Offside common iliac artery, until overlay film frame 24 crotch is sitting at aortic bifurcation.Then fix induction system axis 9, gently
Before push away outer tube 1, to outer tube 1 front end withstand overlay film frame 24 crotch prevent offside branch release when pull blood vessel.Then unscrew
The lock-on connection 17 of release bracing wire 13, discharges bracing wire toward post-tensioning, so that the main body 25 of overlay film frame 24 is released in aorta, homonymy
Branch 26 is released in outer tube.Pull outward snare or catching device again, makes offside sleeve pipe 20 sliding from the offside branch 27 of compression
Go out, after offside sleeve pipe 20 skids off, remove in vivo with snare or catching device at offside femoral artery puncture, offside branch 27
It is released in offside common iliac artery.Fixing outer tube 1, moves axis backward, makes homonymy sleeve pipe 12 from the homonymy branch 26 of compression
End skids off, and so that homonymy branch 26 is released to completely in outer tube 1.Moving outer tube 1 afterwards makes homonymy branch 26 be released to homonymy ilium always to move
In arteries and veins, outer tube 1 and axis 9 are withdrawn from the lump and completes support placement in vivo.
Above-mentioned induction system, for convenience of the use in operating process, the tail end of outer tube 1 is additionally provided with grasping member 5.For side
Just observe the relative position of outer tube 1 and overlay film frame 24, the head end of outer tube 1 is also equipped with indicating 2.
The material of indicating is chosen as platinum, gold, platinum alloy, tungsten alloy or billon, belongs to heavy metal, develops under X-ray.
For further optimisation technique scheme, in above-mentioned induction system, the tail end of outer tube 1 is additionally provided with side pipe 6, and side pipe 6 sets
Put the head end in lock-on connection 8, the intracavity inter-connection of outer tube 1, and side pipe 6 are provided with valve 7.Side pipe 6 is set with valve 7
Put and be easy to convey medicine in the aerofluxuss to support, flushing or art, opening its valve 7 can be carried out to induction system and overlay film frame
Rinse or conveying medicine, closing valve 7 is disconnected and being connected with the pipeline of outside inside induction system.
In above-mentioned induction system, the head end of axis 9 has flexible conical head 10, and conehead 10 should be easy to defeated by flexible material
Send system to follow the tracks of seal wire and pass through tortuous blood vessel；Conehead 10 has development effect under X-ray, for guiding induction system front end institute
Be easy to induction system in position to walk in intravascular, and the tail end diameter of flexible conical head 10 and pipe shaft 3 equal diameters it is ensured that
Conical head 10 is seamlessly transitted with the junction of pipe shaft 3, in order to avoid being damaged to blood vessel during implant procedure.
In above-mentioned induction system, axis 9 position corresponding with outer tube 1 includes the supporting section being sequentially distributed from tail end head-end
14 and thin segment 11, the diameter of thin segment 11 is less than support end 14, and thin segment 11 is used for coordinating with overlay film frame 24.Support end 14
Play support, the effect of anti-folding, it is to avoid induction system is rolled over.
In above-mentioned induction system, for the more preferable guidewire lumen 19 distinguished in axis 9 and bracing wire chamber, the rear end of axis 9 is Y shape
Branch, guidewire lumen 19 passes through in Y shape branch, and bracing wire chamber passes through another in Y shape branch.Release bracing wire 13 overhangs
One end setting pulling wire handle of axis 9, convenient pulling discharges bracing wire 13.
Above-mentioned induction system, pipe shaft 3 adopts nylon wire, glass fiber net, stainless steel cloth or spring to strengthen, and equally strengthens also not
It is confined to this different materials, pipe shaft 3 is surface-treated using hydrophilic coating.
Each embodiment in this specification is all described by the way of going forward one by one, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiments.
Invention described above embodiment, does not constitute limiting the scope of the present invention.Any in the present invention
Spirit and principle within modification, equivalent and improvement of being made etc., should be included within the scope of the present invention.
Claims (9)
1. overlay film frame induction system, for conveying overlay film frame (24), described overlay film frame (24) includes：Main body (25),
Homonymy branch (26), offside branch (27) and the fixing device (31) being fixed on described overlay film frame (24) outer surface；Wherein：Institute
State homonymy branch (26) and described offside branch (27) connects same one end of described main body (25), and both inner chambers and described master
The inner chamber of body (25) all connects；Described main body (25), described homonymy branch (26) and described offside branch (27) all include support body
(28) and it is and coat the overlay film (29) of described support body (28), logical between the described support body (28) being wrapped up by described overlay film (29)
Cross what described overlay film (29) connected；Described support body (28) for supporter make can be radially contracted cylinder-like structure；Described
Fixing device (31) is in order to control compression and the release of overlay film frame (24)；It is characterized in that, described overlay film frame delivery system
System includes outer tube (1), axis (9), offside sleeve pipe (20) and homonymy sleeve pipe (12)；Wherein：
Described outer tube (1) includes being set in the pipe shaft (3) of described axis (9) front end and being arranged on described pipe shaft (3) tail end
Lock-on connection (8)；
Described axis (9) is detachably connected by described lock-on connection (8) with described pipe shaft (3), and connection be provided with anti-
The haemostatic valve (4) that Hemostatic Oral Liquid flows out from the inner chamber of described pipe shaft (3), and outer relative with described pipe shaft (3) of described axis (9)
Surface forms the inner chamber for placing described overlay film frame (24) with the inwall of described pipe shaft (3)；Described axis (9) sequentially passes through
The homonymy branch (26) of described overlay film frame (24) and main body (25)；Described axis (9) extends along what direction was provided through
Guidewire lumen (19) and the bracing wire chamber extending side by side with described guidewire lumen (19), the end of described guidewire lumen (19) is provided with end connector
(16), described bracing wire intracavity is provided with for being connected with the fixing device of described overlay film frame (24), to release described fixing dress
Put the release bracing wire (13) that described stent collapses are controlled, pulling of described release bracing wire (13) stretches in described axis (9) outside end,
Locking described release bracing wire (13) is additionally provided with described axis (9) to stop its bracing wire lock with respect to described bracing wire chamber movement
(17)；
Described homonymy sleeve pipe (12) is used for being set in described homonymy branch (26), and it is same to realize to be connected with described axis (9)
Moved further；
Described offside sleeve pipe (20) is used for being set in the offside branch (27) of described overlay film frame (24), and have for auxiliary
Equipment mounting is so that described offside sleeve pipe (20) departs from the hook (23) of described offside branch (27).
2. induction system according to claim 1 it is characterised in that：
The tail end of described outer tube (1) is additionally provided with grasping member (5)；Or,
The head end of described outer tube (1) is additionally provided with indicating (2).
3. induction system according to claim 2 it is characterised in that：
The tail end of described outer tube (1) is additionally provided with side pipe (6), and described side pipe (6) is arranged on described in described grasping member (5)
Haemostatic valve (4) front end, and the intracavity inter-connection with described outer tube (1), described side pipe (6) is provided with valve (7).
4. induction system according to claim 1 is it is characterised in that the head end of described axis (9) has flexible conical head
, and the tail end diameter of described flexible conical head (10) is equal with the internal diameter of described pipe shaft (3) (10).
5. induction system according to claim 1 is it is characterised in that described axis (9) portion corresponding with described outer tube (1)
Position includes supporting section (14) and the thin segment (11) being sequentially distributed from tail end head-end, and the diameter of described thin segment (11) is less than institute
State supporting section (14), described thin segment (11) is used for and described overlay film frame (24) cooperation.
6. induction system according to claim 1 is it is characterised in that the rear end of described axis (9) is Y shape branch, described
Guidewire lumen (19) passes through in described Y shape branch, and described bracing wire chamber passes through another in described Y shape branch, or institute
State one end setting pulling wire handle that release bracing wire (13) overhangs described axis (9).
7. induction system according to claim 1 is it is characterised in that described pipe shaft (3) adopts nylon wire, glass fiber net, no
Rust steel wire or spring are strengthened, and described pipe shaft (3) is surface-treated using hydrophilic coating.
8. induction system according to claim 1 is it is characterised in that the head and the tail two ends of described overlay film frame (24) are equipped with
Indicating (30), or, described fixing device (31) is made by the rope or belt of biocompatibility.
9. induction system according to claim 1 is it is characterised in that the supporter of described support body (28) is sine wave or Z
Type ripple elastic waveform stereoscopic.
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| CN201510137903.9A CN104706448B (en) | 2015-03-26 | 2015-03-26 | Overlay film frame and overlay film frame induction system |
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| CN201510137903.9A CN104706448B (en) | 2015-03-26 | 2015-03-26 | Overlay film frame and overlay film frame induction system |
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| CN104706448A CN104706448A (en) | 2015-06-17 |
| CN104706448B true CN104706448B (en) | 2017-03-08 |
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| CN106109055B (en) * | 2016-07-21 | 2019-03-01 | 成都嘉宝祥生物科技有限公司 | A kind of blood vessel covered stent production method |
| CN106552317A (en) * | 2016-11-23 | 2017-04-05 | 许荣德 | A kind of radion carrying device |
| CN107320216B (en) * | 2017-08-01 | 2020-03-06 | 上海长海医院 | A integral type support for main iliac artery |
| CN109984862A (en) * | 2017-12-29 | 2019-07-09 | 杭州唯强医疗科技有限公司 | A kind of aorta tectorial membrane stent that can be discharged step by step |
| CN108210114B (en) * | 2018-01-18 | 2024-02-13 | 刘建强 | Intrahepatic bile duct tectorial membrane stent and use method thereof |
| CN108553206A (en) * | 2018-05-15 | 2018-09-21 | 中国医学科学院北京协和医院 | Intravascular stent and blood vessel coating bracket |
| CN111110414B (en) * | 2019-12-06 | 2022-01-04 | 先健科技(深圳)有限公司 | Implant system |
| CN113119020B (en) * | 2019-12-30 | 2023-01-03 | 先健科技(深圳)有限公司 | Covered stent assembling device and covered stent assembling method |
| CN112971903A (en) * | 2021-02-18 | 2021-06-18 | 心凯诺医疗科技(上海)有限公司 | Encephalic dense net support |
| CN114432001A (en) * | 2021-12-08 | 2022-05-06 | 上海微创心脉医疗科技(集团)股份有限公司 | Covered stent |
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| WO2007022411A1 (en) * | 2005-08-18 | 2007-02-22 | Cappella Inc. | Delivery system and method of use for positioning of a device in a bifurcation |
| CN201189310Y (en) * | 2008-04-01 | 2009-02-04 | 中国人民解放军第二军医大学 | Combination type windowing type blood vessel intracavity implant |
| CN101283937B (en) * | 2008-05-21 | 2010-08-18 | 微创医疗器械(上海)有限公司 | Overlay film frame with an opening and bonding method of the overlay film frame |
| CN101897629B (en) * | 2009-05-26 | 2013-08-07 | 上海微创医疗器械（集团）有限公司 | Branched membrane-covered support conveying system and conveying method thereof |
| US9198787B2 (en) * | 2010-12-31 | 2015-12-01 | Cook Medical Technologies Llc | Conformable prosthesis delivery system and method for deployment thereof |
| CN202179610U (en) * | 2011-07-15 | 2012-04-04 | 许尚栋 | Endovascular stent for abdominal aorta |
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| US9132025B2 (en) * | 2012-06-15 | 2015-09-15 | Trivascular, Inc. | Bifurcated endovascular prosthesis having tethered contralateral leg |
| CN103598928B (en) * | 2013-10-25 | 2015-12-09 | 青岛文创科技有限公司 | Branched membrane-covered support and induction system thereof |
| CN203841851U (en) * | 2014-02-21 | 2014-09-24 | 许尚栋 | Collateral-type covered stent |
| CN103948455A (en) * | 2014-05-19 | 2014-07-30 | 湖南埃普特医疗器械有限公司 | Abdominal aorta stent |
| CN204542478U (en) * | 2015-03-26 | 2015-08-12 | 湖南埃普特医疗器械有限公司 | Overlay film frame and overlay film frame induction system |
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