CN100381185C - Memory-type plug rack and its making process - Google Patents
Memory-type plug rack and its making process Download PDFInfo
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- CN100381185C CN100381185C CNB021242917A CN02124291A CN100381185C CN 100381185 C CN100381185 C CN 100381185C CN B021242917 A CNB021242917 A CN B021242917A CN 02124291 A CN02124291 A CN 02124291A CN 100381185 C CN100381185 C CN 100381185C
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Abstract
The present invention relates to a memory type clogging bracket and a making method thereof. The memory type clogging bracket is composed of a calabash-shaped double sealing net body which is composed of an upper cylinder mould, a concave connection part and a lower cylinder mould, wherein a filling thin film is arranged in the net body, the outer part of the middle of the lower cylinder mould is connected with a conveying head; the middle of the upper cylinder mould is provided with fasteners which are penetrated through the space of penetrable meshes, which are formed in the middle of the upper cylinder mould, and the fasteners are fine springs made of hyperelastic memory metal wires. Because the memory type clogging bracket is made in the mode of no welding, the clogging surface of the clogging bracket forms an integrated plane, and the clogging end is reliable and simple. The present invention solves the problem of side effect brought by welding, improves the appearance structure to cause blood sources in the heart to flow fluently, enhances the quality and the reliability of products, and reduces thrombus formation.
Description
Technical field
The present invention relates to a kind of manufacture method for the treatment of the plug rack that heart disease uses and making plug rack, the shutoff face that designs a kind of plug rack more precisely is its shutoff face of making plug rack of complete plane memory-type plug rack that need not weld and preparation method thereof.
Background technology
At present, conduit interventional therapy congenital heart disease is that a kind of advanced medical skill every damaged (ASD) and ventricular septal defect (VSD) is asked in international treatment ductus arteriosus sealing (PDA), the room that extensively adopts.Memory-type plug rack is life-time service in a kind of implant into body, finish, substitute or recover the device of certain function of people's body mechanism, nontoxic except that material itself is had, do not have the requirement of high target such as rejection, more need device itself to have highly reliable performance and advanced technology, the existing international memory-type plug rack that uses is identical product stopper, the general machinery that adopts weaves, processes such as laser weld, meeting produces the solder joint of projection on the shutoff face of stopper.
The molding structure of above-mentioned existing stopper, though the effect that can offer the user treatment and use, really has progressive, but when using, reality but finds also to have in its structure some shortcomings, cause this existing stopper molding structure in practical application, fail to reach best result of use, and its shortcoming can be summarized as follows:
1, make the process that adopts welding, can inevitably bring the embrittlement of device material is handled, the embrittlement of material must make the reduction of the device property leaned on.
2, the molding structure of above-mentioned stopper, owing to worn soldering tip in the shutoff of stopper, and soldering tip can bring the generation of the resistance and the thrombosis of blood source flow in blood vessel or heart inside.
This shows that above-mentioned existing stopper still has many defectives, and the assistant officer waits to be improved.
Because the defective that above-mentioned existing stopper exists, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and Professional knowledge, actively studied innovation, in the hope of founding a kind of memory-type plug rack and manufacture method of improving molding structure, can improve the general molding structure of existing conventional stopper on the market, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective that existing stopper exists, and provide a kind of memory-type plug rack and manufacture method of new structure, make the last cylinder shutoff face of its memory-type plug rack form a complete plane, its processing technology adopts no welding method.
Another technical problem to be solved by this invention is, a kind of memory-type plug rack of new structure is provided, it is simple in structure that its memory-type plug rack is had, and good cheaply effect, and has practicality more, and can increase economic efficiency greatly, thereby have the effect of enhancement on the whole, and have the value on the industry.
The present invention solves its technical problem underlying and realizes by the following technical solutions.Memory-type plug rack according to the present invention's proposition, comprise the two block bodies of Pear-Shaped that constitute by last cylinder, the recessed portion of connecing and following cylinder, filled with film is housed in the dictyosome, following cylinder intermediary outside is connected to delivery head, be provided with securing member in the middle of the last cylinder, but the space cross-under of the cross-under mesh of securing member and last cylinder intermediate formation, dictyosome forms mushroom list block body by last cylinder and the recessed portion of connecing, recessedly connect that the sinking center protrusion is connected to delivery head in the portion, it is characterized in that: securing member is to make trickle spring by the super memory wire that plays.
The present invention solves its technical problem and can also adopt following technical measures further to realize.
Before described trickle spring adopt that 0.2mm is super to be played memory wire to make diameter be 1 to 2mm spring.
The preceding described shutoff face of going up cylinder does not have any overshooting shape, and the shutoff face of last cylinder is a complete plane.
Preceding described dictyosome can be made of the super memory wire that plays of 0.11～0.15mm.
The present invention solves its technical problem and can also adopt another following technical measures further to realize.The manufacture method of the memory-type plug rack that proposes according to the present invention, it is characterized in that: with the super bullet memory wire of a different length, utilize mould, be woven into independently netted bobbin by hand, because monofilament braiding, the two ends of net bobbin form can cross-under the mesh space, adopt high elastic memory metal different characteristics of its plasticity under different temperatures, the memory silk of 0.2mm is processed into trickle spring diameter 1.5mm, this spring is penetrated the cross-under mesh space at the two ends of netted bobbin: then, netted bobbin is formed by last cylinder, the recessed portion of connecing reaches the two block bodies of Pear-Shaped of cylinder formation down, and infra cylinder intermediary outside projections press connects a delivery head;
Or netted bobbin formed constitute mushroom list block body by last cylinder and the recessed portion of connecing, recessed connect to push in the middle of sinking portion in be connected with delivery head;
Need not be welded by last cylinder intermediary net bobbin termination and trickle spring sealing-in that netted bobbin forms, the shutoff face of last cylinder does not have any projection, and what its shutoff face formed is a complete plane;
Be provided with ultrafine filled with film in dictyosome inside;
Because of dictyosome has Memorability, be compressed into a flat during two block body 2 normalities, last cylinder 5 and following garden net 7 are pressed close to mutually.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the present invention makes the shutoff face of the last cylinder of its memory-type plug rack form a complete plane, its processing technology adopts no welding mode, make end-blocking reliably simple and direct, solved the negative effect that welding brings, improved novel contour structures makes the inner blood source flow of heart unblocked, improve the q﹠r of product, reduced the formation of thrombosis.
The present invention is on the practicality and cost benefit of structural design and manufacture method, use, buy really that to meet industry development fully required, and disclosed structure and manufacture method are unprecedented innovative designs, it does not see any publication, do not see more that before application that identical structure and manufacture method feature are arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
Structure of the present invention and manufacture method really have more technological progress than existing stopper and manufacture method, and its particular structure and manufacture method feature and more can also be far from existing stopper and manufacture method can be compared, more existing stopper and manufacture method have more technical progress, and have the multinomial effect of enhancement, and creative really.
Designer of the present invention studies this series products experience of existing ten several years, quite understand for existing stopper and the existing problem of manufacture method and defective, and the present invention founds according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the kenel of space, really belong to innovation, and more existing stopper and the true accessory of manufacture method have suitable enhancement effect, and existing known product has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.
In sum, the present invention really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and structure and manufacture method are simple, are suitable for practicality, have the extensive value of industry.It is in limited field, technical development space, no matter bigger improvement is all being arranged on structure and the manufacture method or on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solution of the present invention feature, for making the professional and technical personnel can clearer understanding technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is a memory-type plug rack list envelope formula view of the present invention.
Fig. 2 is a memory-type plug rack double-enclosure view of the present invention.
Fig. 3 is the three-dimensional view of memory-type plug rack list envelope formula of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
1. securing member 2. dictyosomes
3. filled with film 4. delivery heads
5. go up the cylinder 6. recessed portions that connect
7. descend cylinder
See also Fig. 1, Fig. 2, shown in Figure 3, memory-type plug rack of the present invention, reach the two block bodies 2 of calabash shape that following cylinder 7 constitutes by last cylinder 5, the recessed portion 6 that connects, because of dictyosome has Memorability, two block bodies 2 are compressed into a flat when normality, and last cylinder 5 and following cylinder 7 are pressed close to mutually, filled with film 3 is housed in the dictyosome 2, the outstanding delivery head 4 that is connected to of following cylinder 7 intermediary outside is provided with securing member 1 in the middle of last cylinder 5, but the space cross-under of the cross-under mesh of securing member 1 and last cylinder 5 intermediate formation.Dictyosome 2 also can and recessedly connect single block body 2 that portion 6 constitutes mushroom shaped by last cylinder 5, sinks and forms a circular space in recessed portion 6 inside that connect, and projection is connected to a delivery head 4 in the middle of it.Securing member 1 is the trickle spring of being made by super bullet memory wire.Trickle spring adopts that 0.2mm is super to be played memory wire to make diameter be 1 to 2mm spring.As 5 middle its diameters of trickle spring used of the last cylinder on single block body 2 is 1mm.Its diameter of trickle spring of using in the middle of the last cylinder 5 on two block bodies 2 is 1.5mm.
No any overshooting shape on the last cylinder 5 shutoff faces, last cylinder 5 shutoff faces are complete planes.Dictyosome 2 can be made of the super memory wire that plays of 0.11-0.15mm.Dictyosome 2 time not only can adopt 0.11 or the super memory wire that plays of 0.15mm in braiding, and, also often adopt the super braiding dictyosome 2 such as memory wire that plays of 0.13mm.
Fig. 3 has provided a kind of axonometric chart of single block body for a better understanding of the present invention.
In order to solve on the memory-type plug rack not tape welding point of cylinder 5 shutoff faces, the manufacture method that the present invention makes memory-type plug rack is the super bullet memory wire with a different length, utilize mould, be woven into independently netted bobbin by hand, because monofilament mesh grid bobbin, the two ends of net bobbin form can cross-under the mesh space, adopt high elastic memory metal different characteristics of its plasticity under different temperatures, the memory silk of 0.2mm is processed into trickle spring diameter 1.5mm, this spring is penetrated the cross-under mesh space at the two ends of netted bobbin;
Then, netted bobbin is processed to form the two block bodies of Pear-Shaped that are made of last cylinder, the recessed portion of connecing and following cylinder, infra cylinder intermediary outside projections press connects a delivery head;
Netted bobbin can also be processed to form by last cylinder and the recessed portion of connecing and constitute mushroom list block body, recessed connect sink in the portion in the middle of extruding be connected with delivery head;
Need not be welded by last cylinder intermediary net bobbin termination and trickle spring sealing-in that netted bobbin forms, the shutoff face of last cylinder does not have any projection, and what its shutoff face formed is a complete plane;
Be provided with ultrafine filled with film in dictyosome inside;
Because of dictyosome has Memorability, be compressed into a flat during two block body 2 normalities, last cylinder 5 and following cylinder 7 are pressed close to mutually.
By above-mentioned manufacture method, thereby replace the pre-overshooting shape that brings of international, domestic general plumb joint envelope, changed the pattern of existing product from planform.This more helps flowing of blood, reduces the formation of thrombosis.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. memory-type plug rack, comprise the two block bodies of Pear-Shaped that constitute by last cylinder, the recessed portion of connecing and following cylinder, filled with film is housed in the dictyosome, following cylinder intermediary outside is connected to delivery head, be provided with securing member in the middle of the last cylinder, but the space cross-under of the cross-under mesh of securing member and last cylinder intermediate formation or dictyosome form mushroom list block body by last cylinder and the recessed portion of connecing, recessedly connect that the sinking center protrusion is connected to delivery head in the portion, it is characterized in that: securing member is to make trickle spring by the super memory wire that plays.
2. memory-type plug rack according to claim 1 is characterized in that: wherein said trickle spring adopts that 0.2mm is super to be played memory wire to make diameter be 1 to 2mm spring.
3. memory-type plug rack according to claim 2 is characterized in that: the wherein said shutoff face of going up cylinder does not have any overshooting shape, and the shutoff face of last cylinder is a complete plane.
4. memory-type plug rack according to claim 3 is characterized in that: wherein said dictyosome is made by the super memory wire that plays of 0.11-0.15mm.
5. the manufacture method of a memory-type plug rack, it is characterized in that: with the super bullet memory wire of a different length, utilize mould, be compiled into independently netted bobbin by hand, because monofilament establishment, the two ends of net bobbin form can cross-under the mesh space, adopt high elastic memory metal different characteristics of its plasticity under different temperatures, it is 1.5mm that the memory silk of 0.2mm is processed into trickle spring diameter, this spring is penetrated the cross-under mesh space at the two ends of netted bobbin;
Then, netted bobbin is formed the two block bodies of Pear-Shaped that are made of last cylinder, the recessed portion of connecing and following cylinder, infra cylinder intermediary outside projections press connects a delivery head;
Or netted bobbin formed constitute mushroom list block body by last cylinder and the recessed portion of connecing, recessed connect to push in the middle of sinking portion in be connected with delivery head;
Need not be welded by last cylinder intermediary net bobbin termination and trickle spring sealing-in that netted bobbin forms, the shutoff face of last cylinder does not have any projection, and what its shutoff face formed is a complete plane;
Be provided with ultrafine filled with film in dictyosome inside;
Because of dictyosome has Memorability, be compressed into a flat during two block bodies (2) normality, last cylinder (5) and following cylinder (7) are pressed close to mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021242917A CN100381185C (en) | 2002-07-16 | 2002-07-16 | Memory-type plug rack and its making process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021242917A CN100381185C (en) | 2002-07-16 | 2002-07-16 | Memory-type plug rack and its making process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1468638A CN1468638A (en) | 2004-01-21 |
| CN100381185C true CN100381185C (en) | 2008-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021242917A Expired - Lifetime CN100381185C (en) | 2002-07-16 | 2002-07-16 | Memory-type plug rack and its making process |
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| Country | Link |
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| CN (1) | CN100381185C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1883401B (en) * | 2005-06-23 | 2010-12-15 | 东莞科威医疗器械有限公司 | Atrial septal defect occlusive device dedicated for surgical department and method for manufacturing same |
| CN101933850B (en) * | 2010-09-16 | 2012-07-18 | 先健科技(深圳)有限公司 | Stopper and manufacturing method thereof |
| CN102805673A (en) * | 2012-08-15 | 2012-12-05 | 上海形状记忆合金材料有限公司 | Occluder |
| CN107348976B (en) * | 2017-05-19 | 2019-11-19 | 薛运章 | A kind of mesenterium support device and method for supporting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079468A (en) * | 1976-01-01 | 1978-03-21 | Domingo Santo Liotta | Low profile gluteraldehyde-fixed porcine aortic prosthetic device |
| US5332402A (en) * | 1992-05-12 | 1994-07-26 | Teitelbaum George P | Percutaneously-inserted cardiac valve |
| CN2354519Y (en) * | 1999-01-11 | 1999-12-22 | 哈尔滨工业大学 | Ultra-elastic dual umbrella-net shape compensator for cardiac valves |
| CN2464273Y (en) * | 2001-01-18 | 2001-12-12 | 康云帆 | Cardiac partition defect reparing support |
| CN2524710Y (en) * | 2001-12-27 | 2002-12-11 | 龚善石 | New cardiac atrial septal defect blocking device |
| CN2524712Y (en) * | 2002-01-08 | 2002-12-11 | 常州市智业医疗仪器研究所 | Cardiac tissue defect reparing rack |
| CN2555046Y (en) * | 2002-07-16 | 2003-06-11 | 王安勤 | Memory clogging support |
-
2002
- 2002-07-16 CN CNB021242917A patent/CN100381185C/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079468A (en) * | 1976-01-01 | 1978-03-21 | Domingo Santo Liotta | Low profile gluteraldehyde-fixed porcine aortic prosthetic device |
| US5332402A (en) * | 1992-05-12 | 1994-07-26 | Teitelbaum George P | Percutaneously-inserted cardiac valve |
| CN2354519Y (en) * | 1999-01-11 | 1999-12-22 | 哈尔滨工业大学 | Ultra-elastic dual umbrella-net shape compensator for cardiac valves |
| CN2464273Y (en) * | 2001-01-18 | 2001-12-12 | 康云帆 | Cardiac partition defect reparing support |
| CN2524710Y (en) * | 2001-12-27 | 2002-12-11 | 龚善石 | New cardiac atrial septal defect blocking device |
| CN2524712Y (en) * | 2002-01-08 | 2002-12-11 | 常州市智业医疗仪器研究所 | Cardiac tissue defect reparing rack |
| CN2555046Y (en) * | 2002-07-16 | 2003-06-11 | 王安勤 | Memory clogging support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1468638A (en) | 2004-01-21 |
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Owner name: DONGGUAN KEWEI MEDICAL INSTRUMENT CO., LTD. Free format text: FORMER OWNER: WANG ANQIN Effective date: 20090731 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20090731 Address after: Guangdong Province, Dongguan City, Dongcheng District science and technology park with the sand of Dongguan Kewei Medical Instrument Co Ltd Patentee after: Dongguan Kewei Medical Instrument Co.,Ltd. Address before: Guangdong city of Dongguan province Dongcheng District Industrial Zone Shijing Kewei Medical Instrument Co Ltd Patentee before: Wang Anqin |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lv Fengling Inventor after: Wang Debin Inventor after: Wang Anqin Inventor before: Lv Fengling Inventor before: Wang Debin Inventor before: Wang Anqin |
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| CX01 | Expiry of patent term |
Granted publication date: 20080416 |
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| CX01 | Expiry of patent term |