CN205072924U - Cardioarterial (Patent ductus arteriosus plugging device - Google Patents
Cardioarterial (Patent ductus arteriosus plugging device Download PDFInfo
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- CN205072924U CN205072924U CN201520748136.0U CN201520748136U CN205072924U CN 205072924 U CN205072924 U CN 205072924U CN 201520748136 U CN201520748136 U CN 201520748136U CN 205072924 U CN205072924 U CN 205072924U
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Abstract
The utility model discloses a cardioarterial (Patent ductus arteriosus plugging device, its first disc net, tubulose net and second disc including connecting gradually is netted, and first disc net is double guard, and second disc net is single -layer mesh enclosure, and the both ends that the tubulose was netted are connected respectively in the interior wire side and the second disc net of first disc net, and first disc net, tubulose net and second disc are netted to integrated into one piece, second disc net is equipped with the mounting that closes up the wire side through the welding, and the outside cover of mounting is equipped with the connecting piece, is connected for the butt -joint between connecting piece and the mounting, the outer net bread of first disc net is drawn together the binding off that is become by a plurality of ring network groups that border on in proper order and is held, and first disc net still is equipped with the binding off line, and all cyclic annular net twines are worn to locate by the binding off line, and the outer net shape of face of first disc net becomes continuous mesh faces after the binding off line closes up. The utility model discloses the plugging device to install the wire side binding off department welding of connecting piece firm, erection joint spare wire side resilience well and do not support the reinforce.
Description
Technical field
This utility model relates to a kind of heart arter patent ductus stopper.
Background technology
Patent ductus arteriosus is the one in common congenital heart disease, and refer to a kind of birth defect passage between aorta and pulmonary artery, multidigit is between aortic isthmus and left pulmonary artery root.Patent ductus arteriosus is mainly formed in the growth and development process of fetus, owing to have impact on the growth of heart by certain factor, thus defines patent ductus arteriosus.For the patient of patent ductus arteriosus, blood can flow to pulmonary artery by aorta through patent ductus arteriosus usually, and the blood entering pulmonary circulation returns left atrium and left ventricle again.Thus cause left atrium and left ventricular hypertrophy, expansion, finally cause left heart failure.If catheter diameter is comparatively thick, right ventricle plumpness, dynamic property pulmonary hypertension etc. also may be caused.
Heart arter patent ductus is common congenital heart disease, and traditional therapeutic modality is surgical operation.Operating Therapeutic Method, patient surgically need open breast, and its maximum shortcoming is: need extracorporeal circulation in (1) art, operation may cause complication and cause death; (2) surgery operating wound is large, postoperatively leaves cicatrix; (3) surgery cost is expensive; (4) patent ductus arteriosus surgical operation is dangerous when being grown up and caliber is larger increases.
From the eighties in 20th century along with the development of intubation intervention Treatment and diagnosis technology and raising, China progressively introduces Wicresoft's interventional technique treatment congenital heart disease, is developed rapidly by the method for Minimally Interventional Therapy patent ductus arteriosus, now very ripe.Compare traditional surgery, Minimally Interventional Therapy is the treatment of a kind of modern high technology invasive.By femoral venous puncture, under the guiding of medical imaging device, by guide wire along femoral vein, postcava until enter right ventricle, through pulmonary artery, enter aorta through patent ductus arteriosus.Subsequently delivery conduit is placed in patent ductus arteriosus position along guide wire, finally heart arter patent ductus stopper is pushed in delivery conduit patent ductus arteriosus place and implement Occlusion therapy.Such Minimally Interventional Therapy have do not operate on, wound is little, few intercurrent disease, recovery are fast, effective, indication scope is wide and surgery cost is relatively low etc. advantage.
Authorization Notice No. CN2737328Y utility model patent discloses a kind of ductus arteriosus stopper, and one end of this stopper is the containing guard of bilayer of closed type, and the other end is that monolayer turns up guard.This double-deck guard installation connecting element carries out network management center and to close up welding, and the mode of welding of closing up directly is welded with connector by titanium-nickel wire, therefore, this stopper exist to connect between titanium-nickel wire insecure, hold caducous problem between titanium-nickel wire and connector.This monolayer turns up the non-installation connecting element of guard, is open architecture, and it exists recovery and all poor problem of support force.
Utility model content
The technical problems to be solved in the utility model be have that the wire side closing in place not prison welding being provided with connector is solid to overcome prior art, the wire side recovery of non-installation connecting element and all poor defect of support force, a kind of heart arter patent ductus stopper is provided.
This utility model solves above-mentioned technical problem by following technical proposals:
A kind of heart arter patent ductus stopper, it comprises the one first plate-like net, a tubular reticulum and the one second plate-like net that connect successively, its feature is, described first plate-like net is double-deck guard, described second plate-like net is monolayer guard, the two ends of described tubular reticulum are connected to the interior wire side of described first plate-like net and described second plate-like net, and described first plate-like net, described tubular reticulum and described second plate-like net are formed in one; Described second plate-like net is provided with the fixture closed up by wire side, and for being welded to connect between described second plate-like net and described fixture, the outer cover of described fixture is provided with a connection piece, for butt-joint is connected between described connector with described fixture; The outer net face of described first plate-like net comprises a closing in end, the described end that closes up is for multiple ring-type netting twine adjacent successively, described first plate-like net is also provided with a closing in line, described closing in line is arranged in all described ring-type netting twines, and after described closing in line closes up, the outer wire side of described first plate-like net forms netted of continuous print.
Preferably, described fixture is tubulose, and the height of described fixture is 1.2-1.4mm.Wire side closing in place of the second plate-like net is made to have enough intensity like this.
Preferably, the external diameter of described fixture is 1.1-2.3mm.Wire side closing in place of the second plate-like net is made to have enough intensity like this.
Preferably, described second plate-like net caves in towards described fixture place.Depression wire side stopper can be made discharge from delivery sheath after there is good elastic recovery, thus stablize be plugged in patent ductus arteriosus place securely.
Preferably, the external diameter of described first plate-like net is larger than the external diameter of described second plate-like net.First plate-like net is positioned at aorta side; second plate-like net is positioned at pulmonary artery side; for the patient of patent ductus arteriosus; blood can flow to pulmonary artery by aorta through patent ductus arteriosus usually; so this structure makes the first plate-like netting gear being positioned at aorta side have larger support force; the impact of blood flow can be resisted, to make stopper more firmly be clamped in patent ductus arteriosus place, realize effective shutoff.
Preferably, the material of described first plate-like net, described tubular reticulum and described second plate-like net is nitinol alloy wire.
Preferably, described connector is tubulose, and described connector is provided with female thread in the end relative with described fixture.By connector, easily stopper can be transported to ductus arteriosus defect place by induction system.
Positive progressive effect of the present utility model is: wire side closing in place employing twice welded structure being provided with connector, by fixture, wire side is closed up, and fixture and wire side are connected with welding, make the titanium-nickel wire of composition plate-like net be not easy to scatter like this, can link together securely; And connector and fixture adopt butt-joint to be connected, connector can be linked together securely with the titanium-nickel wire of composition plate-like net, be not easy to come off.The structure that the wire side not being provided with connector adopts closing in line to close up, adds support force and the recovery of stopper.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model preferred embodiment.
Fig. 2 is the structural representation of the fixture of this utility model preferred embodiment.
Fig. 3 be this utility model preferred embodiment fixture on structural representation after sheathed connector.
Fig. 4 is the A direction view in Fig. 1.
Fig. 5 is the closing in end place close-up schematic view of the outer wire side of the first plate-like net of this utility model preferred embodiment.
Detailed description of the invention
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly this utility model to be described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of heart arter patent ductus stopper, it comprises the first plate-like net 10, tubular reticulum 30 and the second plate-like net 20 that connect successively, first plate-like net 10 is double-deck guard, second plate-like net 20 is monolayer guard, the two ends of tubular reticulum 30 are connected to the interior wire side 11 of the first plate-like net 10 and the second plate-like net 20, first plate-like net 10, tubular reticulum 30 and the second plate-like net 20 are formed in one; Second plate-like net 20 be provided with by wire side close up fixture 40, second plate-like net 20 and fixture 40 between for being welded to connect, the outer cover of fixture 40 is provided with connector 50, for butt-joint is connected between connector 50 with fixture 40; The outer wire side 12 of the first plate-like net 10 comprises closing in end 13, closing in end 13 is multiple ring-type netting twines 14 adjacent successively, first plate-like net 10 is also provided with closing in line 15, closing in line 15 is arranged in all ring-type netting twines 14, after closing in line 15 closes up, the outer wire side 12 of the first plate-like net 10 forms netted of continuous print
Fixture 40 is tubulose, and the height of fixture 40 is 1.2-1.4mm, and the external diameter of fixture is 1.1-2.3mm; Second plate-like net 20 caves in towards fixture 40 place; The external diameter of the first plate-like net 10 is larger than the external diameter of the second plate-like net 20.The material of the first plate-like net 10, tubular reticulum 30 and the second plate-like net 20 is nitinol alloy wire.Connector 50 is tubulose, and connector 50 is provided with female thread in the end relative with fixture 40.
Stopper of the present utility model, it is 270 Newtonian times that connector applies maximum pulling-out force, extends 0.6 millimeter, visible, the pulling-out force of stopper of the present utility model apparently higher than the stopper of existing employing blending technique, also higher than direct stopper titanium-nickel wire and connector being carried out weld.
Stopper of the present utility model, wire side closing in place employing twice welded structure of connector is installed, by fixture, wire side is closed up, and fixture and wire side are connected with welding, make the titanium-nickel wire of composition plate-like net be not easy to scatter like this, can link together securely; And connector and fixture adopt butt-joint to be connected, connector can be linked together securely with the titanium-nickel wire of composition plate-like net, be not easy to come off.The structure that the wire side not being provided with connector adopts closing in line to close up, adds support force and the recovery of stopper.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (7)
1. a heart arter patent ductus stopper, it comprises the one first plate-like net, a tubular reticulum and the one second plate-like net that connect successively, it is characterized in that, described first plate-like net is double-deck guard, described second plate-like net is monolayer guard, the two ends of described tubular reticulum are connected to the interior wire side of described first plate-like net and described second plate-like net, and described first plate-like net, described tubular reticulum and described second plate-like net are formed in one; Described second plate-like net is provided with the fixture closed up by wire side, and for being welded to connect between described second plate-like net and described fixture, the outer cover of described fixture is provided with a connection piece, for butt-joint is connected between described connector with described fixture; The outer net face of described first plate-like net comprises a closing in end, the described end that closes up is for multiple ring-type netting twine adjacent successively, described first plate-like net is also provided with a closing in line, described closing in line is arranged in all described ring-type netting twines, and after described closing in line closes up, the outer wire side of described first plate-like net forms netted of continuous print.
2. heart arter patent ductus stopper as claimed in claim 1, it is characterized in that, described fixture is tubulose, and the height of described fixture is 1.2-1.4mm.
3. heart arter patent ductus stopper as claimed in claim 2, it is characterized in that, the external diameter of described fixture is 1.1-2.3mm.
4. heart arter patent ductus stopper as claimed in claim 1, it is characterized in that, described second plate-like net caves in towards described fixture place.
5. heart arter patent ductus stopper as claimed in claim 1, it is characterized in that, the external diameter of described first plate-like net is larger than the external diameter of described second plate-like net.
6. heart arter patent ductus stopper as claimed in claim 1, it is characterized in that, the material of described first plate-like net, described tubular reticulum and described second plate-like net is nitinol alloy wire.
7. heart arter patent ductus stopper as claimed in claim 1, it is characterized in that, described connector is tubulose, and described connector is provided with female thread in the end relative with described fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748136.0U CN205072924U (en) | 2015-09-24 | 2015-09-24 | Cardioarterial (Patent ductus arteriosus plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748136.0U CN205072924U (en) | 2015-09-24 | 2015-09-24 | Cardioarterial (Patent ductus arteriosus plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205072924U true CN205072924U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520748136.0U Active CN205072924U (en) | 2015-09-24 | 2015-09-24 | Cardioarterial (Patent ductus arteriosus plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205072924U (en) |
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2015
- 2015-09-24 CN CN201520748136.0U patent/CN205072924U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 15th Building, 388 Yindu Road, Xuhui District, Shanghai, 200231 Patentee after: Shanghai Jinkui Medical Devices Co., Ltd. Address before: Room 102, D Workshop, 1618 Yishan Road, Minhang District, Shanghai, 201103 Patentee before: Shanghai Jinkui Medical Implements Co., Ltd. |
|
| CP03 | Change of name, title or address |