CN102499801A - Delivery and release system of covered stent - Google Patents
Delivery and release system of covered stent Download PDFInfo
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- CN102499801A CN102499801A CN2011103193197A CN201110319319A CN102499801A CN 102499801 A CN102499801 A CN 102499801A CN 2011103193197 A CN2011103193197 A CN 2011103193197A CN 201110319319 A CN201110319319 A CN 201110319319A CN 102499801 A CN102499801 A CN 102499801A
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- seal wire
- pipe
- outer tube
- push pipe
- conical head
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Abstract
The invention discloses a delivery and release system of a covered stent, which comprises an outer tube, a top tube, an inner tube, a guide wire bushing, a conical head, a control coil, a control guide wire and a guide wire flexible buckle, wherein the outer tube, the top tube and the inner tube are sequentially distributed from the outer side to the inner side, and a guide wire hole is arranged on the top tube; one end of the inner tube extends out of the top tube and is fixed with the conical head, and the control coil is arranged on the conical head; the guide wire bushing is sleeved on the inner tube which is between the top tube and the conical head; one end of the control guide wire is fixed with the outer tube, the other end of the control guide wire penetrates through the guide wire hole, the guide wire bushing and the movable buckle of the control coil to be connected with the conical head, and the guide wire flexible buckle is arranged on the control guide wire. When the system releases the covered stent, part or a whole covered section can be released under the condition that the end part of the covered stent is bound, so the probability of covered stent displacement or exposed section overturning which is caused by blood flow impact is reduced. In addition, when a near end is not released, the covered stent also can be adjusted, so the stent is positioned more accurately.
Description
Technical field
The application relates to technical field of medical instruments, particularly relates to a kind of overlay film frame and carries and delivery system.
Background technology
In blood vessel intervention operation, usually need intravascular stent be implanted in the human vas, to realize that angiopathy is carried out interventional therapy.But in blood vessel intervention operation; When intravascular stent being carried the laggard row that puts in place discharge, existing drawing and pulling type delivery mode does not all have any constraint in mount proximal end and far-end; Like this when discharging; Usually can occur that support causes being shifted because of the impact that receives blood flow or the phenomenon of naked section turnover, especially in aortic arch or the trunk near cardia, the probability that displacement or naked section turnover occur is bigger; Existing another kind of binding-type delivery mode, though be centre from support to two sections releases, can not cause naked section turnover, can't adjust the position of support after discharging, and can occur because the support cripetura causes support is shifted.
Summary of the invention
In view of this, the application embodiment provides a kind of overlay film frame to carry and delivery system, to solve existing support exists displacement or naked section turnover when discharging problem.
To achieve these goals, the technical scheme that provides of the application embodiment is following:
A kind of overlay film frame is carried and delivery system, comprising: the flexible button of outer tube, push pipe, interior pipe, seal wire sleeve pipe, conical head, control coil, control seal wire and seal wire, wherein:
Said push pipe is positioned at said outer tube; Pipe is positioned at said push pipe in said; Said push pipe far-end sidewall is provided with thread eye, and the near-end of said interior pipe stretches out said push pipe and fixes with said conical head, and said seal wire casing pipe sleeve is located on the said interior pipe between said push pipe and the conical head; Said conical head is provided with the control coil that is used to fetter the overlay film frame end, and can form a knot that can be undone by a pull behind the said control coil constraint overlay film frame end;
Said control seal wire one end and said outer tube fix; The knot that can be undone by a pull that the other end passes on said thread eye, seal wire sleeve pipe and the said control coil is connected with said conical head; Said control seal wire is provided with the flexible button of telescopic seal wire, and the flexible button bit of said seal wire is managed in said and push pipe between cavity in.
Preferably, said control seal wire comprises: near-end seal wire and distal guide wire, wherein:
The end of said distal guide wire far-end and said outer tube fix, and the end of near-end is passed said thread eye and is connected with the flexible button of said seal wire;
The end of said near-end wire distal is connected with the flexible button of said seal wire, and the knot that can be undone by a pull that the end of near-end is passed on said seal wire sleeve pipe and the said control coil is connected with said conical head.
Preferably, the flexible button of said seal wire comprises: seal wire cover joint, first conductive filament head and second conductive filament head, wherein:
Said seal wire cover joint is provided with through hole;
The through hole on the said seal wire cover joint is passed in the end of said distal guide wire near-end, and said first conductive filament head fixes;
The through hole on the said seal wire cover joint is passed in the end of said near-end wire distal, and fixes with said second conductive filament head;
The diameter of said first conductive filament head and second conductive filament head is all gone up the diameter of through hole greater than said seal wire cover joint.
Preferably, said conical head is provided with the seal wire slot, and the other end of said control seal wire is inserted in the said seal wire slot after passing the knot that can be undone by a pull on said thread eye, seal wire sleeve pipe and the said control coil, is connected with said conical head.
Preferably, the material of pipe is at least a in polyether-ether-ketone, rustless steel, the Nitinol in said.
Preferably, the telescopic material of said seal wire is PETG, fluorinated ethylene propylene copolymer or politef.
Preferably, said system further comprises: the outer tube handle, said outer tube handle is fixed on the end of said distal outer tube, and sealing mutually between said outer tube handle and the said push pipe.
Preferably, said outer tube handle be provided with and said outer tube and push pipe between the tube for transfusion that is connected of space.
Preferably, said system further comprises: the push pipe handle, and the far-end of said push pipe stretches out said outer tube, and said push pipe handle is fixed on the end of said push pipe far-end.
Preferably, said system further comprises: interior pipe connections, and the far-end of said interior pipe stretches out said push pipe, and said interior pipe connections is fixed on the end of said interior pipe far-end.
Visible by above technical scheme; This overlay film frame that the application embodiment provides is carried and delivery system, when discharging overlay film frame, and can be under the situation of the end of overlay film frame near-end constraint; Overlay film frame is partly discharged; Because the end of near-end is in bond when discharging, when discharging, receives the impulsive force of blood flow so can reduce overlay film frame, and then can reduce the probability that displacement or naked section turnover appear in overlay film frame.In addition, after overlay film frame overlay film section is partly or entirely discharged, can also adjust, avoid the problem of cripetura occurring after the overlay film frame release, and then the support displacement can not occur the position of overlay film frame.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The overlay film frame that Fig. 1 provides for the application is carried and the structural representation of the specific embodiment of delivery system;
The overlay film frame that Fig. 2 provides for the application carry with delivery system in the structural representation of a kind of specific embodiment of managing;
The overlay film frame that Fig. 3 provides for the application carry and delivery system in a kind of structural representation of the specific embodiment of conical head;
The overlay film frame that Fig. 4 provides for the application carry and delivery system in a kind of structural representation of the specific embodiment of push pipe;
Fig. 5 is the local enlarged diagram of I among Fig. 4;
The overlay film frame that Fig. 6 provides for the application is carried and the structural representation of a kind of specific embodiment of delivery system middle external tube;
The overlay film frame that Fig. 7 provides for the application carry with delivery system in the structural representation of the flexible a kind of specific embodiment of detaining of seal wire;
The overlay film frame that Fig. 8 provides for the application carry with delivery system in the flexible overlay film frame that is buckled in of seal wire discharge preceding structural representation;
The overlay film frame that Fig. 9 provides for the application carry with delivery system in seal wire stretch and be buckled in the structural representation after overlay film frame partly discharges.
The specific embodiment
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Term among this paper " and/or ", only be a kind of incidence relation of describing affiliated partner, can there be three kinds of relations in expression, for example, and A and/or B, can represent: individualism A exists A and B, these three kinds of situation of individualism B simultaneously.In addition, character "/" among this paper, generally represent forward-backward correlation to as if a kind of " or " relation.In addition, " far-end " of the appearance among this paper is meant when clinical manipulation the end near operator, and " near-end " is meant near patient or gets into the intravital end of patient.
The overlay film frame that Fig. 1 provides for the application is carried and the structural representation of the specific embodiment of delivery system.
As shown in Figure 1; This slits and delivery system comprise: outer tube 1, push pipe 2, interior pipe 3, control seal wire 4, the flexible button of seal wire (not shown), seal wire sleeve pipe 5, conical head 6 and control coil 7; Wherein: outer tube 1, push pipe 2 and interior pipe 3 threes are coaxial; And interior pipe 3 is arranged in the push pipe 2, and push pipe 2 is arranged in the outer tube 1.
The overlay film frame that Fig. 2 provides for the application carry with delivery system in the structural representation of a kind of specific embodiment of managing.As shown in Figure 2, be fixed with conical head 6 in the end of interior pipe 3 near-ends, and on the end of push pipe 2 near-ends and the interior pipe 3 between the conical head 6, be arranged with seal wire sleeve pipe 5.In addition, in conjunction with shown in Figure 1, the end of interior pipe 2 far-ends is positioned at the outside of push pipe 2.The effect of conical head 6 is when carrying, to reduce the resistance of this system in body lumen, the convenient conveying.As shown in Figure 3,100 is overlay film frame among the figure, and control coil 7 is arranged on the conical head 6, and its effect is that the end with overlay film frame 100 near-ends fetters, and control coil 7 can form a knot that can be undone by a pull after constraint.As shown in Figure 3; On conical head 6, also be provided with seal wire slot 8, the effect of seal wire slot 8 is ends of fixing control seal wire 4, adopts the fixing control of seal wire slot seal wire; Like this when the time to far-end pulling control seal wire 4, can be conveniently with the end of control seal wire 4 by extracting in the seal wire slot 8.In the application embodiment, what the material of interior pipe 3 can be in polyether-ether-ketone, rustless steel, the Nitinol is at least a.
The overlay film frame that Fig. 4 provides for the application carry and delivery system in a kind of structural representation of the specific embodiment of push pipe.As shown in Figure 4, on the sidewall of push pipe 2 far-ends, also be provided with thread eye 21, and the end section of push pipe 2 near-ends is " protruding " font, promptly the diameter of the end of push pipe 2 near-ends is less than the diameter at other position of push pipe.Because interior pipe 3 stretches out from the end of push pipe 2 near-ends and is connected with conical head 6, when fettering overlay film frame like this, can with overlay film frame 100 be strapped in that less one section of the end diameter of push pipe 2 near-ends is gone up and interior pipe 3 on.In addition, as shown in Figure 4 in order to improve the flexible of push pipe 2 self in the application embodiment, the proximal part of push pipe 2 adopts spring 22 to process, and like this when carrying, push pipe 2 can be according to the degree of crook of body lumen and bending.
Fig. 5 is the local enlarged diagram of I among Fig. 4; As shown in Figure 5; In other embodiment of the application,, push pipe reinforced pipe 9 can also be set in the inside of push pipe 2 in order to increase the intensity of push pipe 2; The outer wall of push pipe reinforced pipe 9 contacts with the inwall of push pipe 2, and on push pipe reinforced pipe 9, also is provided with porose with thread eye 21 corresponding positions.
The overlay film frame that Fig. 6 provides for the application is carried and the structural representation of a kind of specific embodiment of delivery system middle external tube.Fig. 7 is the local enlarged diagram of the flexible button of seal wire among Fig. 6.The effect of outer tube 1 is that overlay film frame to be carried is compressed in its inside, makes the diameter of overlay film frame reduce, and reduces transporting resistance.Like Fig. 6 and shown in Figure 7; 10 are the flexible button of seal wire among the figure; In the cavity of the flexible button 10 of seal wire between push pipe 2 and interior pipe 3; Control seal wire 4 comprises: distal guide wire 41 and near-end seal wire 42, and wherein: end and the outer tube 1 of distal guide wire 41 far-ends fix, and the fixed position of the end of distal guide wire 41 far-ends and outer tube 1 is positioned at the rear of said thread eye 21 on by near-end to distal direction at the said push pipe in edge; The end of distal guide wire 41 near-ends is penetrated in the push pipe 2 by thread eye 21, and the end of near-end is connected with the flexible button 10 of seal wire; The end of near-end seal wire 42 far-ends is connected with the flexible button 10 of seal wire, and the slit between seal wire sleeve pipe 5 and the interior pipe 3 is passed in the end of near-end, and passes the knot that can be undone by a pull of control coil 7, is inserted at last in the seal wire slot 8 on the conical head 6.When to distal direction pulling outer tube 1; Can drive control seal wire 4 moves to distal direction; And after the end of near-end seal wire 42 near-ends breaks away from by seal wire slot 8; Can from the knot that can be undone by a pull of control coil 7, unclamp, control coil 7 is discharged, and then realize end release the overlay film frame constraint.
As shown in Figure 7; The flexible button 10 of seal wire comprises: seal wire cover joint 11, first conductive filament head 43 and second conductive filament head 44; Wherein: seal wire cover joint 11 is provided with through hole, and the near-end of distal guide wire 41 passes the through hole on the seal wire cover joint 11, and fixes with first conductive filament head 43; The far-end of near-end seal wire 42 passes the through hole on the seal wire cover joint 11; And fix with second conductive filament head 44, and the diameter of first conductive filament head 43 and second conductive filament head 44 saves 11 slippage to prevent distal guide wire 41 and near-end seal wire 42 from the seal wire cover all greater than the internal diameter of seal wire cover joint 11.In the application embodiment; The through hole that is provided with on the seal wire cover joint 11 can be one; Distal guide wire 41 all is arranged in this through hole with near-end seal wire 42 like this; In addition, the through hole that is provided with on the seal wire cover joint 11 can also be two, and distal guide wire 41 is with in near-end seal wire 42 can be separately positioned on different through holes like this.
This overlay film frame conveying that the application embodiment provides and delivery system are before carrying and discharging; Use outer tube 1 overlay film frame 100 to be strapped on the end and the interior pipe 3 between the conical head 6 of push pipe 2 near-ends; And use control coil 7 that the end of overlay film frame 100 near-ends is fettered, control coil 7 constraint backs form knot that can be undone by a pull; The end of near-end seal wire 42 near-ends passes from the slit of push pipe 2 with interior pipe 3 near-ends, and in seal wire sleeve pipe 5, passes, and passes the knot that can be undone by a pull that control coil 7 constraint backs form then, is inserted at last in the seal wire slot 8.Here the effect of seal wire sleeve pipe 5 is to manage on 3 in 42 constraints of near-end seal wire are close to; So the material of seal wire sleeve pipe 5 should select inner wall smooth, toughness better and be difficult for the macromolecule tubing of fold, for example PETG, fluorinated ethylene propylene copolymer or politef etc.In addition, first conductive filament head 43, second conductive filament head 44 are as shown in Figure 8 with the position relation of seal wire cover joint 11, and first conductive filament head 43 is designated as first stroke apart between the seal wire cover joint 11 one section predeterminable range being arranged.When carrying, the far-end of hand-held this overlay film frame conveying and delivery system is inserted into conical head 6 in the body lumen, just can overlay film frame be transported in the human body.
After the overlay film frame conveying is put in place, push pipe 2 and interior pipe 3 is fixing, and to distal direction pulling outer tube 1; Overlay film frame by outer tube 1 constraint will discharge fettered because coil 7 controls in the end of overlay film frame 100 near-ends, and at first conductive filament head 43 not with before seal wire cover joint 11 contacts; Be that the distance of the relative motion between outer tube 1 and the interior pipe 3 is during less than first stroke; Seal wire cover joint 11 can not move with near-end seal wire 44, so 100 of overlay film frames can be discharged by part at this moment, the end of its near-end can not be released; So this moment, operator can adjust overlay film frame, avoided support the problem of cripetura after release, to occur.
After the relative distance between first conductive filament head 43 and the interior pipe 3 equals first stroke; First conductive filament head 43, second conductive filament head 44 are as shown in Figure 9 with the position relation of seal wire cover joint 11, and first conductive filament head 43 will be with after seal wire cover joint 11 contacts, if continue this moment to distal direction pulling outer tube 1 among the figure; Distal guide wire 41 will drive 11 motions together of seal wire cover joint so; And then drive near-end seal wire 42 motion together, and after the end of near-end seal wire 42 near-ends is pulled out in by the seal wire slot 8 on the conical head 6, will unclamp from the knot that can be undone by a pull of control coil 7; Make control coil 7 unclamp, with the end release of overlay film frame 100 near-ends.
Compared with prior art, this overlay film frame that the application embodiment provides is carried and delivery system, when discharging overlay film frame; The near-end of overlay film frame is controlled coil and is fettered; During less than first stroke, overlay film frame can be discharged by part in the distance of the motion of outer tube, but the end of overlay film frame near-end can not be released; Reduce the overlay film frame end and received the impulsive force of blood flow, and then reduced the probability of support appearance displacement or naked section turnover; In addition, because after overlay film frame discharged by part, its end was still in bond, so can also adjust the position of overlay film frame, has solved because the support cripetura causes the problem that support is shifted.In a word, this overlay film frame is carried and can be had more demand with delivery system and control mount proximal end d/d opportunity with the distance of adjusting first stroke.
In addition, as shown in Figure 1 in other embodiment of the application, this overlay film frame is carried and delivery system can further include:
In other embodiment of the application, as shown in Figure 1, this overlay film frame is carried and delivery system can further include:
In other embodiment of the application, as shown in Figure 1, this overlay film frame is carried and delivery system can further include:
In addition, as shown in Figure 1, the outer tube handle 12 of foregoing description, push pipe handle 14 and interior pipe connections 15 can also be arranged in this overlay film frame simultaneously and carry and delivery system.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the application or scope in other embodiments among this paper.Therefore, the application will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. an overlay film frame is carried and delivery system, it is characterized in that, comprising: the flexible button of outer tube, push pipe, interior pipe, seal wire sleeve pipe, conical head, control coil, control seal wire and seal wire, wherein:
Said push pipe is positioned at said outer tube; Pipe is positioned at said push pipe in said; Said push pipe far-end sidewall is provided with thread eye, and the near-end of said interior pipe stretches out said push pipe and fixes with said conical head, and said seal wire casing pipe sleeve is located on the said interior pipe between said push pipe and the conical head; Said conical head is provided with the control coil that is used to fetter the overlay film frame end, and can form a knot that can be undone by a pull behind the said control coil constraint overlay film frame end;
Said control seal wire one end and said outer tube fix; The knot that can be undone by a pull that the other end passes on said thread eye, seal wire sleeve pipe and the said control coil is connected with said conical head; Said control seal wire is provided with the flexible button of telescopic seal wire, and the flexible button bit of said seal wire is managed in said and push pipe between cavity in.
2. system according to claim 1 is characterized in that, said control seal wire comprises: near-end seal wire and distal guide wire, wherein:
The end of said distal guide wire far-end and said outer tube fix, and the end of near-end is passed said thread eye and is connected with the flexible button of said seal wire;
The end of said near-end wire distal is connected with the flexible button of said seal wire, and the knot that can be undone by a pull that the end of near-end is passed on said seal wire sleeve pipe and the said control coil is connected with said conical head.
3. system according to claim 2 is characterized in that, the flexible button of said seal wire comprises: seal wire cover joint, first conductive filament head and second conductive filament head, wherein:
Said seal wire cover joint is provided with through hole;
The through hole on the said seal wire cover joint is passed in the end of said distal guide wire near-end, and said first conductive filament head fixes;
The through hole on the said seal wire cover joint is passed in the end of said near-end wire distal, and fixes with said second conductive filament head;
The diameter of said first conductive filament head and second conductive filament head is all gone up the diameter of through hole greater than said seal wire cover joint.
4. system according to claim 1; It is characterized in that; Said conical head is provided with the seal wire slot, and the other end of said control seal wire is inserted in the said seal wire slot after passing the knot that can be undone by a pull on said thread eye, seal wire sleeve pipe and the said control coil, is connected with said conical head.
5. system according to claim 1 is characterized in that, said in the material of pipe be at least a in polyether-ether-ketone, rustless steel, the Nitinol.
6. system according to claim 1 is characterized in that, the telescopic material of said seal wire is PETG, fluorinated ethylene propylene copolymer or politef.
7. system according to claim 1 is characterized in that, further comprises: the outer tube handle, said outer tube handle is fixed on the end of said distal outer tube, and sealing mutually between said outer tube handle and the said push pipe.
8. system according to claim 7 is characterized in that, said outer tube handle be provided with and said outer tube and push pipe between the tube for transfusion that is connected of space.
9. according to claim 1,7 or 8 described systems, it is characterized in that, further comprise: the push pipe handle, the far-end of said push pipe stretches out said outer tube, and said push pipe handle is fixed on the end of said push pipe far-end.
10. according to claim 1,7,8 or 9 described systems, it is characterized in that, further comprise: interior pipe connections, the far-end of said interior pipe stretches out said push pipe, and said interior pipe connections is fixed on the end of said interior pipe far-end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110319319.7A CN102499801B (en) | 2011-10-19 | 2011-10-19 | Delivery and release system of covered stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110319319.7A CN102499801B (en) | 2011-10-19 | 2011-10-19 | Delivery and release system of covered stent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102499801A true CN102499801A (en) | 2012-06-20 |
| CN102499801B CN102499801B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110319319.7A Active CN102499801B (en) | 2011-10-19 | 2011-10-19 | Delivery and release system of covered stent |
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| CN (1) | CN102499801B (en) |
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| CN102688112A (en) * | 2012-06-29 | 2012-09-26 | 东莞市博迪思迈医疗器械有限公司 | Support delivery device |
| CN102764165A (en) * | 2012-08-13 | 2012-11-07 | 宁波健世生物科技有限公司 | Percutaneous aorta or aorta valve stent conveying system |
| WO2015070791A1 (en) * | 2013-11-18 | 2015-05-21 | 上海微创医疗器械（集团）有限公司 | Outer loading tube for implant and implant conveying system |
| CN106580530A (en) * | 2016-12-20 | 2017-04-26 | 有研医疗器械（北京）有限公司 | Accurate-positioning far and near-end back release film-coated support conveying system and method |
| CN107397575A (en) * | 2017-08-25 | 2017-11-28 | 江西理工大学 | sheath for thrombus crushing system |
| CN113633447A (en) * | 2021-05-26 | 2021-11-12 | 上海微创心脉医疗科技(集团)股份有限公司 | Branch sheath and delivery system |
| CN114098883A (en) * | 2022-01-27 | 2022-03-01 | 上海微创心脉医疗科技(集团)股份有限公司 | Support conveying device and support conveying system |
| WO2022007279A3 (en) * | 2020-07-06 | 2022-11-24 | 上海启功医疗科技有限公司 | Stent delivery system for use in aorta |
| WO2024032361A1 (en) * | 2022-08-11 | 2024-02-15 | 上海微创心脉医疗科技(集团)股份有限公司 | Conveying apparatus, stent, and stent system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102688112A (en) * | 2012-06-29 | 2012-09-26 | 东莞市博迪思迈医疗器械有限公司 | Support delivery device |
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| CN107397575A (en) * | 2017-08-25 | 2017-11-28 | 江西理工大学 | sheath for thrombus crushing system |
| CN107397575B (en) * | 2017-08-25 | 2021-04-09 | 江西理工大学 | Sheath tube for thrombus disruption system |
| WO2022007279A3 (en) * | 2020-07-06 | 2022-11-24 | 上海启功医疗科技有限公司 | Stent delivery system for use in aorta |
| CN113633447A (en) * | 2021-05-26 | 2021-11-12 | 上海微创心脉医疗科技(集团)股份有限公司 | Branch sheath and delivery system |
| CN114098883A (en) * | 2022-01-27 | 2022-03-01 | 上海微创心脉医疗科技(集团)股份有限公司 | Support conveying device and support conveying system |
| WO2024032361A1 (en) * | 2022-08-11 | 2024-02-15 | 上海微创心脉医疗科技(集团)股份有限公司 | Conveying apparatus, stent, and stent system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102499801B (en) | 2014-07-02 |
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