Utility model content
The technical problems to be solved in the utility model is：A kind of thoracic aorta covered bracket, conveyer device are provided and its makeWith method, can make partly must the patient of open chest surgery can complete to treat by minimally invasive intervention operation.
In order to solve above-mentioned technical problem, this utility model provides a kind of dissection of aorta operation overlay film frame, shouldSupport includes the main body of taper, and the shape of this main body is gradually presented by the thick heart near-end of diameter reduces to the thin far-end of diameter；ShouldThe upper limb in main body stage casing is the rotary island of non-overlay film, partly all has overlay film beyond rotary island；There all have at main body two ends and rotary island to be fixedPosition labelling.
Further, the lesser curvature side of described overlay film frame has constraint or discharges the tractive seal wire of the longitudinal stretching of this support,And the line of this tractive seal wire of lateral confinement, and it is additionally provided with and plays firm reinforcement along longitudinal both sides of overlay film frame.
Further, described support is axially disposed multiple corrugated annulus, and described rack far end is provided with and prevents supportThe agnail slipping to far-end under blood flow impact.
Further, the material of described overlay film is pre- solidifying medical macromolecular materials.
Further, the two ends of described overlay film frame main body are provided with the protectiveness pad that varicosity material is made.
Further, described telltale mark is the metal marker that can observe under lonizing radiation.
Yet another technique scheme is：The conveyer device of dissection of aorta operation overlay film frame, it includes delivery sheath,Suture and tractive seal wire, suture sews on overlay film frame lateral surface, and suture is by left subclavian artery near-end overlay film frame twoSide seams are closed, and tractive seal wire is drawn in support in half contraction state by suture, overlay film frame is drawn in and is wrapped in defeatedSend in sheath；The head of described delivery sheath is peaky shape, and it is in half that described tractive guidewire proximal makes mount proximal end through sutureContraction state, the far-end of tractive seal wire passes through and passes at the handle of delivery sheath and fixing.
Further, it is provided with the wire casing of hollow and separable plug, the tractive seal wire on delivery sheath at described handlePass through from wire casing, the far-end of tractive seal wire is fastened on plug.
Further, described delivery sheath adopts one of polyester, politef or derivatives thereof material.
Of the present utility model have technical effect that：Overlay film frame of the present utility model is " taper " support with pad,The shape of frame meets human vas architectural feature, and beneficial to fitting tightly of support and blood vessel, the pad that varicosity material is made is permissiblePrevent bracket edge from puncturing blood vessel, prevent the generation of proximal part one type internal hemorrhage due to trauma simultaneously.Overlay film rotary island not can ensure that pedestal upper endThe blood supply of aortic arch branch vessel, the sufficiently long overlay film frame of near-end partly can block the broken of aorta dissectionMouthful, treat the Stanford A type aorta clamp in aortic arch lesser curvature side dissecting aneurysm and close brachiocephalic trunk tremulous pulse 6cmLayer (do not involve coronary artery and aortic valve and bend upper three blood vessels) all can carry out minimally-invasive treatment.The sufficiently flexible symbol of supportClose blood vessel structure feature, can not injured blood vessel.The edge on support both sides and rotary island exposed position have metal telltale mark, operationDuring can determine under lonizing radiation between with blood vessel para-position, prevent off-position mistake, block branch vessel.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the artThis utility model can be better understood from and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As shown in figure 1, being this utility model a kind of dissection of aorta operation overlay film frame 1, this support 1 includes taperMain body 11, the shape of this main body 11 is gradually presented by the thick heart near-end 111 of diameter reduces to the thin far-end of diameter 112；This main bodyThe upper limb in 11 stage casings is the rotary island 12 of non-overlay film, partly all has overlay film 16 beyond rotary island 12, and rotary island 12 is exposed, does not coverMembrane structure.All there is telltale mark 15 at main body 11 two ends and rotary island 12.Telltale mark 15 can be observed under lonizing radiationMetal marker.Support 1 is axially disposed multiple waveform annulus 13 in " Z " font, and the material of making of support is doctorWith Nitinol, induction system can be compressed into, and restore to the original state under body temperature.Overlay film 16 is adopted as pre- solidifying medical high polymerMaterial is made, and the two ends of rack body 11 are provided with the protectiveness pad 14 that varicosity material is made, and the lesser curvature side of overlay film frame 1 hasFetter or discharge the tractive seal wire 17 of the longitudinal stretching of this support, and the line 171 of this tractive seal wire 17 of lateral confinement.And,Longitudinal both sides along overlay film frame 1 are additionally provided with the reinforcement 18 playing firm effect, are preferably provided with two reinforcements.In addition overlay filmRack far end is provided with agnail 19, is preferably provided with 4 agnails, prevents support from slipping as shown in figure 3, one to far-end under blood flow impactPlant the using method of dissection of aorta operation overlay film frame, comprise the steps：S1：Support is first entered 1 row compression by operation consentConstraint；S2：Start to perform the operation, under DSA (x-ray or CT) guides, support 1 is delivered in aortic arch through femoral artery, according to support 1The telltale mark 15 of two ends and rotary island 12 is positioned, when support two ends telltale mark 15 reaches assigned target position (anchorage zone)When, the telltale mark 15 of rotary island 12 and the brachiocephalic trunk tremulous pulse 41 of aortic arch, left common carotid artery 42, left subclavian artery 43 3Branch openings coincide, and after support reaches specified location, unmuzzle in two steps, first the thicker mount proximal end of release diameter,After frame is discharged into arterial level under left collarbone, no longer discharge, now because tractive seal wire does not discharge, support leading portion proximal partDue to drawing the constraint of seal wire, it is in half release conditions, now blood flow can pass through with bracket edge in support, and support does not haveFit with arteries, so the direction of support now can be adjusted, angle, rotary island labelling point and brachiocephalic trunk tremulous pulse, left side neckTotal tremulous pulse, the distance between left subclavian artery, make above three blood vessels not be coated to membrane support and cover.Afterwards, discharge at onceThe thinner far-end of diameter, makes rack far end supporter Self-bouncing；Subsequently, pull-out traction seal wire, makes near-end half release conditionsSupport Self-bouncing.Support release completes, and withdraws from conveying sheath；S3：Complete to perform the operation.
Of the present utility model have technical effect that：Support 1 is " taper " support with pad, and the shape of support meets human bodyBlood vessel structure feature, beneficial to the laminating of support and blood vessel, the pad 14 that varicosity material is made can prevent bracket edge from puncturing bloodPipe, prevents proximal part leakage blood simultaneously.Overlay film not can ensure that the blood supply of aorta aortic arch branch vessel for support 1 upper end,The sufficiently long overlay film frame of near-end partly can block the cut of aorta dissection, treats Debakey I type aorta clampLayer.Support is sufficiently flexible to meet blood vessel structure feature, can not injured blood vessel.The edge on support both sides and rotary island bare bracket position are allHave metal marker point, in operation can under lonizing radiation with blood vessel para-position, prevent off-position mistake, block branch vessel.
As shown in Fig. 2 the dissection of aorta operation conveyer device 2 of overlay film frame 1, it includes delivery sheath, suture andTractive seal wire, suture sews on overlay film frame lateral surface 22, and suture is by 1 two sides of left subclavian artery near-end overlay film frameIn suture, tractive seal wire 23 is drawn in support in half contraction state by suture, overlay film frame 1 is drawn in and is wrapped in conveyingIn sheath 22；The head of delivery sheath 22 is pinnacle 21, and tractive seal wire 23 near-end makes support 1 near-end contraction-like in half through sutureState, the far-end of tractive seal wire 23 passes through and passes at the handle of delivery sheath 22 and fixing.
It is provided with the wire casing of hollow and separable plug, the tractive seal wire on delivery sheath 22 is worn from wire casing at handle 24Cross, the far-end of tractive seal wire 23 is fastened on plug.Delivery sheath 22 adopts in polyester, politef or derivatives thereofA kind of material make.
Support 1 of the present utility model has to, by matching stent conveying device 2, to be just implanted to and lead accordinglyArterial disease position, using conveyer device 2, overlay film frame is constrained in delivery sheath 22, is then delivered to aorta correspondingLesion locations after support 1 is discharged, finally conveyer device is withdrawn from.First, conveyer device 2 will be arranged on through femoral artery in artOn support 1 be conveniently and efficiently implanted to corresponding lesion locations, at Study on Ascending Aortic Lesions position, support 1 is discharged to left clavicleLower tremulous pulse 43 position, and position, simultaneously by the branch vessel of corresponding for support 1 upper limb non-overlay film rotary island 12 position aortic arch,Adjust direction and the position of exposed rotary island 12 according to the metal telltale mark 15 on support, make non-overlay film rotary island 12 that master is completely coveredBranch vessel opening on the arch of aorta.Afterwards, the support 1 completely in release induction system.Now, aortic stents 1 are latter half ofDivide and discharge completely, support 1 far-end is located at thoracic aorta and drops section.Afterwards, only need to extract tractive seal wire 23 out is that releasable is correspondingSuture, and then the front half section support 1 of half release is discharged completely, withdraws from conveyer device 2 afterwards.
Embodiment described above is only the preferred embodiment lifted for absolutely proving this utility model, this utility modelProtection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of this utility modelChange, all within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.