CN102860846B - A kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit - Google Patents
A kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit Download PDFInfo
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- CN102860846B CN102860846B CN201210326431.8A CN201210326431A CN102860846B CN 102860846 B CN102860846 B CN 102860846B CN 201210326431 A CN201210326431 A CN 201210326431A CN 102860846 B CN102860846 B CN 102860846B
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Abstract
The present invention relates to a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit, comprise and rotate forward operation bar, body supports threaded rod and Nitinol dished wheel, rotate forward operation bar and be enclosed within the outside connecting push rod, connect push rod to be connected with the body supports threaded rod of below by the straight pin of its lower end, the outside of body supports threaded rod is socketed with rotary support mechanism, the connecting rod that rotary support mechanism both sides are stretched out is connected with needle plate on the lobe of both sides respectively, on described lobe, the lower end of needle plate is connected with ball head, both sides, the lower end symmetry of body supports threaded rod is connected and installed with outwardly directed lobe lower shoe, the middle part of lobe lower shoe clamps and is fixed with oval Nitinol dished wheel.Structure of the present invention is simple, biocompatibility and spike performance good, mechanical support power is good, has good compliance and shape memory, and the wound that use procedure causes patient is less.
Description
Technical field
Medical instruments field of the present invention, particularly relates to a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit.
Background technology
Cardiovascular disease is the number one killer of current harm humans health, and wherein valvular heart disease occupies very large proportion.The function and structure that common valve disease comprises single or multiple valve structure is abnormal.The degree of concern of past people to aortic valve and mitral valve disease is higher, and new Therapeutic Method emerges in an endless stream, and has effectively given treatment to a large amount of valve patients.That is familiar with valvular heart disease along with people deepens continuously, Tricuspid valve disease more and more receives publicity, especially to the heart failure problem that tricuspid regurgitation causes, because treatment means is very limited, and effect extreme difference, becoming the hot issue of current valvular heart disease research field.
Tricuspid valve anatomical structure comprises lobe ring, lobe leaf, chordae tendineae and papillary muscles.Lobe leaf is made up of front lobe, back lobe, septal leaflet, and lobe ring is the attachment margin of three lobe leaves.Minale is uneven, the most obvious at some Extensive site of forward and backward lobe ring in the expansion of the tricuspid annulus of nineteen ninety discovery feature tricuspid regurgitation patient, and septal leaflet cyclic group is originally constant.After have domestic scholars to add up back lobe ring can to expand 8O% by compared with normal, front lobe ring can expand 40%, and septal leaflet ring only can expand lO% because being subject to the restriction of interventricular septum
[18].Thus, tricuspid valvular insufficiency mainly has obvious expansion at forward and backward lobe ring, in fact only forms forward and backward valve annulus, does not process septal leaflet ring, is also a kind of strategy.The selectivity Tri An that Minale proposes is namely based on such consideration, this operation is exactly have a common boundary lobe blade root to cut in front posterior valve leaflet and front and back lobe, select to expand the most significant lobe ring portion position and carry out folded seam contracting, finally remaining lobe ring and lobe leaf are sewed up continuously, complete the reconstruction of dissection and function.Therefore think, suitable intervention is carried out to Tricuspid valve forward and backward lobe leaf, equally also can reach the object of correcting tricuspid incompetence.
At present, the process of tricuspid incompetence is still based on Tri An, and tricuspid valve replacement not only easily causes conduction block, and long-term effect is poor, and mechanical prosthetic valve also relates to the inconveniences such as Anticoagulation, therefore applies less clinically.With mitral valve incompetence Therapeutic Method be not both, tricuspid valvular insufficiency Therapeutic Method is more, but at present, is also acknowledged as optimal method without any a kind of method.The interventional therapy for valve disease technology occurred in recent years is obtaining the common concern of people, the method treatment tricuspid valvular insufficiency of Wicresoft can be used, it is a brand-new problem, because interventional therapy wound is little, healing is fast, patient is acceptant, can carry out the feature of intervening etc. in early days in pathological changes, determines that this technology will be a kind of revolutionary Therapeutic Method.
The Wicresoft carrying out Tricuspid valve edge-to-edge gets involved repairs, need to implant a kind of jaw device, this apparatus design requires the impact needing on the one hand to avoid valvular function, on the other hand, need the material selecting there is good biocompatibility, endothelialization can be reached in the short period of time, avoid the formation of thrombosis.
Along with the maturation of through conduit, the frontal lobe of mitral valve and posterior lobe being carried out to edge-to-edge's recovery technique, design the jaw device meeting anterior tricuspid leaflet, posterior lobe anatomical features, carry out through the forward and backward leaf reparation of conduit tricuspid valve, make a hole lobe, become holes lobe, correct tricuspid valvular regurgitation, feasible, can imagine that effect is desirable, the more important thing is early stage just can intervening of being occurred in pathological changes by less invasive techniques, the progress of control pathological changes.Particularly along with the progress of material, develop Ultimum Ti jaw device and complete feasible, operative installations significantly can reduce the generation of this technology complication.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit, structure is simple, biocompatibility and spike performance good, mechanical support power is good, have good compliance and shape memory, the wound that use procedure causes patient is less.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit, comprise and rotate forward operation bar, connect push rod, body supports threaded rod and Nitinol dished wheel, described rotation forward operation bar is enclosed within the outside connecting push rod, described connection push rod is connected with the body supports threaded rod of below by the straight pin of its lower end, the outside of described body supports threaded rod has been evenly arranged spiral type projection, the outside of described body supports threaded rod is socketed with rotary support mechanism, on the lobe that the connecting rod that described rotary support mechanism both sides are stretched out is arranged with lateral symmetry respectively, in needle plate, hypomere is connected, the lower end of described body supports threaded rod has been threaded connection ball head, on described lobe, the lower end of needle plate is connected with ball head, on described lobe, both sides, the junction symmetry of needle plate and ball head is connected and installed with outwardly directed lobe lower shoe, the middle part of described lobe lower shoe clamps and is fixed with oval Nitinol dished wheel.
The lower end intermediate arrangement of described rotation forward operation bar has a circular projection, and the middle upper end of described rotary support mechanism has a dovetail breach, and size and the circular projection of described dovetail breach match.
Described rotation forward operation bar can slide up and down in the outside connecting push rod, and on described lobe, needle plate can rotate around body supports threaded rod.
Side relative with lobe lower shoe on needle plate on described lobe is evenly arranged several circular buckles, the medial surface of described lobe lower shoe has been furnished with the circular hole corresponding with the circular buckle on needle plate on lobe.
On described rotation forward operation bar, connection push rod, body supports threaded rod, rotary support mechanism, lobe, needle plate and lobe lower shoe adopt nickel-titanium alloy material to make.
beneficial effect
The present invention relates to a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit, its structure is simple, has the following advantages: 1. have good biocompatibility, can maintain effective support of long period; 2. enough mechanical support power, can overcome the partial tension that causes of valve activity in early days in valve clamping; 3. there is good compliance and shape memory, discharge through delivery sheath after can compressing; 4. there is good spike performance, convenient by X-ray examination or ultrasound guidance location.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of structure of the present invention;
Fig. 2 is the assembling schematic diagram of structure of the present invention;
Fig. 3 is the scheme of installation of Nitinol dished wheel of the present invention;
Fig. 4 is the schematic diagram of the supporting structure for conveying of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
As Figure 1-4, embodiments of the present invention relate to a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit, comprise and rotate forward operation bar 1, connect push rod 2, body supports threaded rod 3 and Nitinol dished wheel 8, it is characterized in that, described rotation forward operation bar 1 is enclosed within the outside connecting push rod 2, described connection push rod 2 is connected with the body supports threaded rod 3 of below by the straight pin of its lower end, the outside of described body supports threaded rod 3 has been evenly arranged spiral type projection, the outside of described body supports threaded rod 3 is socketed with rotary support mechanism 4, on the lobe that the connecting rod that described rotary support mechanism 4 both sides are stretched out is arranged with lateral symmetry respectively, in needle plate 9, hypomere is connected, the lower end of described body supports threaded rod 3 has been threaded connection ball head 6, on described lobe, the lower end of needle plate 9 is connected with ball head 6, on described lobe, needle plate 9 is connected and installed with outwardly directed lobe lower shoe 7 with both sides, the junction symmetry of ball head 6, the middle part of described lobe lower shoe 7 clamps and is fixed with oval Nitinol dished wheel 8.The lower end intermediate arrangement of described rotation forward operation bar 1 has a circular projection 11, and the middle upper end of described rotary support mechanism 4 has a dovetail breach 10, and size and the circular projection 11 of described dovetail breach 10 match.Side relative with lobe lower shoe 7 on needle plate 9 on described lobe is evenly arranged several circular buckles 5, the medial surface of described lobe lower shoe 7 is furnished with the circular hole 71 corresponding with the circular buckle 5 on needle plate on lobe 9, and on described rotation forward operation bar 1, connection push rod 2, body supports threaded rod 3, rotary support mechanism 4, lobe, needle plate 9 and lobe lower shoe 7 adopt Ultimum Ti material to make.
Embodiment 1
A () first sets up tricuspid valvular insufficiency animal model
Healthy experiment goat about 40kg, puncture femoral vein, by femoral vein, scabbard is sent into the right room of arrival, semi-moon shaped coronary artery guiding catheter is become by external plastotype to pass through tricuspid valve by scabbard, semi-moon shaped guiding catheter head section catches on chordae tendineae of tricuspid valve, Misgurni anguillicaudati seal wire is sent into from guiding catheter, through chordae tendineae, exit guiding catheter, send into right coronary artery angiography catheter along scabbard 12, snare delivers to Sub-tricuspid from angiography catheter, pull-out is through the Misgurni anguillicaudati seal wire of chordae tendineae, slightly exert oneself, break chordae tendineae, exit sheath pipe.Right ventricle settles temporary cardiac pacing moving electrode simultaneously, gives 180 beats/min of pace-makings 2 weeks, confirms that model is successfully established through breast color Doppler, radiography, cardiac catheter, dissection etc. inspections.
The implantation process of (b) jaw device
Get the experiment sheep of successfully setting up tricuspid incompetence model, puncture femoral vein, carry out right room radiography, determine tricuspid position, feeding adds hard wire and arrives pulmonary artery, sets up delivery track, is delivered to by scabbard in right ventricle, first by rotation forward operation bar 1 be connected push rod 2 and fix, then have a dovetail breach 10 with the middle upper end of rotary support mechanism 4 and be connected.Jaw 14 in conveyer device schematic diagram shown in Fig. 4 is clamped circular projection 11 place rotating forward operation bar, along scabbard 12, whole device is delivered to the end of right ventricle sheath pipe, push conveyer device, first below Tricuspid valve, discharge lobe lower shoe 7, pull back and make lobe lower shoe hold tricuspid valve leaflets, after fixing, recession scabbard 12, rotating hands makes conveyer device rotate 13, forward operation bar 1 and rotary support mechanism dovetail breach are rotated, discharge needle plate 9 on lobe gradually, it is made to be connected with lobe lower shoe 7, and clamp valve, unclamp jaw 11, recession rotates forward operation bar 1, be rotatably connected push rod 2, by hands, body supports threaded rod 3 and ball head 6 can be separated by 13 rotations, ball head 6 is stayed in the body, body supports threaded rod 3 is external by exiting together with its fixing connection push rod 2, it is made to be separated with jaw device, release jaw device.The postoperative function can being assessed tricuspid valve by cardiac ultrasonic.
Claims (5)
1. the Tricuspid valve edge-to-edge jaw device can implanted through conduit, comprise and rotate forward operation bar (1), connect push rod (2), body supports threaded rod (3) and Nitinol dished wheel (8), it is characterized in that, described rotation forward operation bar (1) is enclosed within the outside connecting push rod (2), described connection push rod (2) is connected with the body supports threaded rod (3) of below by the straight pin of its lower end, the outside of described body supports threaded rod (3) has been evenly arranged spiral type projection, the outside of described body supports threaded rod (3) is socketed with rotary support mechanism (4), on the lobe that the connecting rod that described rotary support mechanism (4) both sides are stretched out is arranged with lateral symmetry respectively, the middle hypomere of needle plate (9) is connected, the lower end of described body supports threaded rod (3) has been threaded connection ball head (6), on described lobe, the lower end of needle plate (9) is connected with ball head (6), on described lobe, needle plate (9) is connected and installed with outwardly directed lobe lower shoe (7) with both sides, the junction symmetry of ball head (6), the middle part of described lobe lower shoe (7) clamps and is fixed with oval Nitinol dished wheel (8).
2. a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit according to claim 1, it is characterized in that: the lower end intermediate arrangement of described rotation forward operation bar (1) has a circular projection (11), the middle upper end of described rotary support mechanism (4) has a dovetail breach (10), and size and the circular projection (11) of described dovetail breach (10) match.
3. a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit according to claim 1, it is characterized in that: described rotation forward operation bar (1) can slide up and down in the outside connecting push rod (2), and on described lobe, needle plate (9) can rotate around body supports threaded rod (3).
4. a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit according to claim 1, it is characterized in that: the upper side relative with lobe lower shoe (7) of needle plate (9) has been evenly arranged several circular buckles (5) to described lobe, the medial surface of described lobe lower shoe (7) is furnished with the circular hole (71) corresponding with the circular buckle (5) on needle plate on lobe (9).
5. a kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit according to claim 1, is characterized in that: on described rotation forward operation bar (1), connection push rod (2), body supports threaded rod (3), rotary support mechanism (4), lobe, needle plate (9) and lobe lower shoe (7) adopt Ultimum Ti material to make.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210326431.8A CN102860846B (en) | 2012-09-05 | 2012-09-05 | A kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit |
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| CN201210326431.8A CN102860846B (en) | 2012-09-05 | 2012-09-05 | A kind of Tricuspid valve edge-to-edge jaw device can implanted through conduit |
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| CN102860846A CN102860846A (en) | 2013-01-09 |
| CN102860846B true CN102860846B (en) | 2015-08-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110418623A (en) * | 2017-04-18 | 2019-11-05 | 爱德华兹生命科学公司 | Heart valve sealing device and its delivery apparatus |
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| CN106491245B (en) * | 2015-09-06 | 2018-08-07 | 先健科技(深圳)有限公司 | Valve clamping device |
| CN106175986B (en) * | 2016-07-26 | 2017-12-01 | 复旦大学附属中山医院 | A kind of valve clamping machine |
| CN107280713B (en) * | 2017-06-08 | 2020-05-19 | 武汉唯柯医疗科技有限公司 | Mitral valve clamping device |
| CN107595437A (en) * | 2017-10-27 | 2018-01-19 | 上海捍宇医疗科技有限公司 | A kind of valve clamping system |
| CN107595436B (en) * | 2017-10-19 | 2020-05-05 | 上海捍宇医疗科技有限公司 | Valve clamping device |
| US11602432B2 (en) | 2017-10-19 | 2023-03-14 | Shanghai Hanyu Medical Technology Co., Ltd | Valve clamping device |
| KR102156647B1 (en) * | 2019-01-21 | 2020-09-16 | (주) 타우피엔유메디칼 | An assembled device for treatment of tricuspid regurgitation |
| CN110338857B (en) * | 2019-08-02 | 2024-03-29 | 上海纽脉医疗科技有限公司 | Clamp holder for repairing valve leaflet |
| CN110664513B (en) * | 2019-08-26 | 2021-09-10 | 科凯(南通)生命科学有限公司 | Conveying device for valve clamping support |
| WO2021082822A1 (en) * | 2019-10-30 | 2021-05-06 | 杭州德晋医疗科技有限公司 | Adjustable valve clipping system |
| EP4122426A4 (en) * | 2020-03-18 | 2024-04-17 | Hangzhou Valgen Medtech Co Ltd | Valve clamping device and valve clamping system |
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