CN204446194U - One treats intracranial aneurysm electrolysis de-etching overlay film frame - Google Patents
One treats intracranial aneurysm electrolysis de-etching overlay film frame Download PDFInfo
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- CN204446194U CN204446194U CN201420749410.1U CN201420749410U CN204446194U CN 204446194 U CN204446194 U CN 204446194U CN 201420749410 U CN201420749410 U CN 201420749410U CN 204446194 U CN204446194 U CN 204446194U
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- overlay film
- rack body
- electrolysis
- aneurysm
- intracranial aneurysm
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Abstract
The utility model discloses one and treat intracranial aneurysm electrolysis de-etching overlay film frame, comprise the cancellated rack body of cylindrical shape, the support stage casing of described rack body is coated with overlay film, described rack body one end is also connected with pusher, described pusher comprises seal wire and is set in the delivery conduit on described seal wire, to break metal solder one end at described rack body through hot melt in described seal wire front end.This utility model can make intracranial aneurysm hemodynamics change, promote thrombosis, machine in aneurysm, reach the object of rebuilding parent artery anatomically, simultaneously keep parent artery and branch unobstructed, have that structure is simple, processing ease, accurate positioning, safety and the advantage such as total obliteration rate is high, relapse rate is low, and can recycle, reduce operation cost.
Description
Technical field
This utility model relates to overlay film frame field, relates in particular to one and treats intracranial aneurysm electrolysis de-etching overlay film frame.
Background technology
The abnormal projection of intracranial aneurysm system intracranial aneurysm wall tumor sample.Rupture of intracranial aneurysm is the main cause of spontaneous subarachnoid hemorrhage, patient's poor prognosis of spontaneous subarachnoid hemorrhage, and overall mortality rate is 25%, and the disability rate of survivor is also close to 50%.
At present, the Therapeutic Method of intracranial aneurysm mainly contains operation of opening cranium folder and closes aneurysm neck and intravascular Interventional Treatment.It is large that operation of opening cranium folder closes the operating difficulty of aneurysm neck wound that is large, that cause patient; The wound that intravascular Interventional Treatment is little relative to operating difficulty, cause patient is little.Because intravascular Interventional Treatment intracranial aneurysm is better than operation of opening cranium generally, so intravascular Interventional Treatment has become the prefered method for the treatment of intracranial aneurysm gradually.
The method of intravascular Interventional Treatment intracranial aneurysm mainly contains intracranial aneurysm Coil embolization, sacculus secondary spring circle technology, support secondary spring circle technology, sacculus assist ONYX embolization technique, overlay film frame reinvents technology.But intracranial aneurysm Coil embolization technology is difficult to reach aneurysmal densification filling, especially for wide neck, fusiformis, large/huge aneurysm, easily causes aneurysm to recur; Sacculus secondary spring circle technology can not solve all wide neck aneurysm thromboembolism problems, and usually require that tumor chamber and tumor neck ratio are greater than 1:1, tumor neck is less than 4mm; Support secondary spring circle technology is due to the restriction of support, add the difficulty that microtubular puts in place, simultaneously also for aneurysmal densification filling brings difficulty, mainly because the microtubular through the mesh of support arbitrarily can not adjust position, occur that thromboembolism dead angle causes separating filling; After sacculus assists ONYX embolization technique thromboembolism aneurysm, its occupation time process can not be alleviated usually, but also can increase the weight of, fusiformis or wide neck aneurysm are with after ONYX thromboembolism, its exposed ONYX area is larger, thrombosed probability obviously increases, and can occur spontaneous Parent artery occlusion and far-end thromboembolism, in addition, ONYX has leakage sometimes, blocks perforating branches blood vessel or far-end branch on the way.
Existing overlay film frame adopts balloon expandable mostly, its accuracy is poor, weak by the ability of lesion region, and due to the effect of aneurysm neck, tremulous pulse is caused to diminish at the diameter of this position, so more increase the difficulty passed through of sacculus, balloon expandable is not in place, and to cause support not discharge completely adherent, directly has influence on the success of operation.In addition the placement of existing overlay film frame is all disposable, if position placement is improper can only reappose one, overlay film frame originally can only cancel, and causes the increase of operation cost like this, the waste of resource.
Utility model content
The purpose of this utility model is, for the problems referred to above, there is provided one can directly shutoff aneurysm neck, fundamentally change intracranial aneurysm hemodynamics, promote thrombosis, machine in aneurysm, reach the object of rebuilding parent artery anatomically, keep simultaneously parent artery and branch unobstructed, and returnable treatment intracranial aneurysm electrolysis de-etching overlay film frame.
For achieving the above object, this utility model adopts following technical scheme:
One treats intracranial aneurysm electrolysis de-etching overlay film frame, comprise the cancellated rack body of cylindrical shape, the support stage casing of described rack body is coated with overlay film, described rack body one end is also connected with pusher, described pusher comprises seal wire and is set in the delivery conduit on described seal wire, to break metal solder one end at described rack body through hot melt in described seal wire front end.
Further, described rack body two ends are arranged with radiopaque first gauge point respectively, and the quantity of described first gauge point is eight.
Further, the two ends of described overlay film are arranged with radiopaque second gauge point respectively, and the quantity of described second gauge point is four.
Further, in described support, section surface is all attached with described overlay film.
Further, described overlay film is the thin film that polyurethane becomes through nanometer high voltage electrospinning, and thickness is 10-20 μm.
Further, the diameter of described rack body after discharging completely is 2-5mm.
Implement this utility model and there is following beneficial effect:
1, rack body adopts Hollow Nickel titanium alloy tube to form through chemical etch technique hollow out, compliance is good, easily arrive target vessel by tortuous entocranial artery, only namely can treat intracranial aneurysm with a support, and the time of obvious minimizing operation technique, difficulty and surgery cost;
2, the direct shutoff aneurysm neck of overlay film, makes aneurysm hemodynamics change, and promotes thrombosis, machine in aneurysm, reaches the object of rebuilding parent artery anatomically, keep simultaneously parent artery and branch unobstructed;
3, rack body can be delivered to accurate location by pusher under the development positioning action of opacity gauge point, wherein, pusher does not enter in aneurysm body, the risk that therapeutic process medium-sized artery tumor is broken can be greatly reduced, reduce the danger of operation, simultaneously when rack body position was placed not at that time, can also be reclaimed in this pusher and be reapposed, positioning accurate parasexuality can be improved, avoid because support off-position is improper, cause Endodontic failure or need to implant many pieces of supports, drastically increasing the range of application of success rate of operation and overlay film frame;
4, the hot melt metal bond pad that breaks is adopted to take off striking point as electrolysis, simple to operate, be easily separated.
This utility model can be applicable to the treatment of the Cerebral artery diseases such as intracranial is huge, wide neck aneurysm, microvesicle sample microaneurysm, false aneurysm, netraneurysm, dissecting aneurysm, has that structure is simple, processing ease, accurate positioning, safety and an advantage such as total obliteration rate is high and relapse rate is low.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model rack body and structure of film schematic diagram.
Reference numeral: 1, rack body; 2, the first gauge point; 3, aneurysm; 4, parent artery; 5, delivery conduit; 6, seal wire; 7, the second gauge point; 8, support stage casing; 9, electrolysis takes off striking point; 10, overlay film.
Detailed description of the invention
Detailed description of the invention of the present utility model is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, one treats intracranial aneurysm electrolysis de-etching overlay film frame, comprise rack body 1, delivery conduit 5 and seal wire 6, seal wire 6 is placed in inside delivery conduit 5, metal solder is broken integrally by hot melt in the front end of seal wire 6 and one end of rack body 1, this pad takes off striking point 9 as electrolysis, and when rack body 1 position is placed correctly, seal wire 6 can be separated with rack body 1 by electrolysis seal wire 6 end.Rack body 1 of the present utility model forms cylindrical shape network structure by a hollow Nitinol pipe through chemical etch technique hollow out, can make different length and different-diameter as required, its discharge completely after diameter between 2-5mm.The middle part of rack body 1 is support stage casing 8, as shown in Figure 2, the surface in support stage casing 8 is all wrapped in overlay film 10, overlay film 10 of the present utility model adopts polyurethane etc. to make film like, thickness is 10 ~ 20 μm, there is good anticoagulant property, permeability resistance and biocompatibility, along with the release of rack body 1, surface, support stage casing 8 can be attached to securely.For ensureing that the position of rack body 1 is placed precisely, four radiopaque first gauge points 2 are respectively provided with symmetrically at the two ends, left and right of rack body 1, keep to the side partial symmetry at overlay film 10 two ends be respectively provided with two radiopaque second gauge points 7, first gauge point 2 and the second gauge point 7 help rack body 1 in dispose procedure, carry out development location, support stage casing 8 can be made to cover aneurysm neck completely when ensureing that rack body 1 discharges.
Concrete, operate this treatment intracranial aneurysm electrolysis de-etching overlay film frame and specifically comprise the following steps:
Step 1: delivery conduit 5 is stretched into vertically inside parent artery 4, pushed forward is until the cervical region of aneurysm 3 is passed through in its front end;
Step 2: keep delivery conduit 5 motionless, seal wire 6 is axially pushed forward along delivery conduit 5, at this moment rack body 1 can be pushed forward, by the development positioning action of the first gauge point 2, the particular location that rack body 1 is placed can be determined, then according to the position of the second gauge point 7, slowly adjusting pole main body 1, until support stage casing 8 covers the cervical region of aneurysm 3;
Step 3: keep seal wire 6 motionless, remove delivery conduit 5 outward;
Step 4: after rack body 1 discharges completely by the time, check that whether its position of placing is correct, whether overlay film 10 can cover the cervical region of aneurysm 3 completely, if correct, perform step 501, if incorrect, blood still can pass in and out aneurysm 3, then perform step 502;
Step 501: electric reliever and seal wire 6 end are connected, now electrolysis takes off striking point 9 and can be freed by electric smelting, now can take out seal wire 6, and wherein, the electric current that electric reliever produces is less than 1 milliampere, and the time that electric smelting is freed is no more than ten seconds.
Step 502: again promoted forward by delivery conduit 5, at this moment rack body 1 can be recovered and reappose inside delivery conduit 5.
This utility model enters to make intracranial aneurysm hemodynamics to occur obviously to change by simple support value, can directly shutoff aneurysm neck, promote thrombosis, machine in aneurysm, reach the object of anatomically rebuilding parent artery, simultaneously keep parent artery and branch unobstructed, therapeutic efficiency is high, have no side effect, and compare traditional treatment technology, this utility model has obviously outstanding contribution.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize this utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a treatment intracranial aneurysm electrolysis de-etching overlay film frame, it is characterized in that: comprise the cancellated rack body of cylindrical shape (1), the support stage casing (8) of described rack body (1) is coated with overlay film (10), described rack body (1) one end is also connected with pusher, described pusher comprises seal wire (6) and is set in the delivery conduit (5) on described seal wire (6), to break metal solder one end in described rack body (1) through hot melt in described seal wire (6) front end.
2. one according to claim 1 treats intracranial aneurysm electrolysis de-etching overlay film frame, it is characterized in that: described rack body (1) two ends are arranged with radiopaque first gauge point (2) respectively, the quantity of described first gauge point (2) is eight.
3. one according to claim 1 treats intracranial aneurysm electrolysis de-etching overlay film frame, it is characterized in that: the two ends of described overlay film (10) are arranged with radiopaque second gauge point (7) respectively, and the quantity of described second gauge point (7) is four.
4. one according to claim 1 treats intracranial aneurysm electrolysis de-etching overlay film frame, it is characterized in that: described support stage casing (8) surface is all attached with described overlay film (10).
5. one according to claim 4 treats intracranial aneurysm electrolysis de-etching overlay film frame, and it is characterized in that: the thin film that described overlay film (10) becomes through nanometer high voltage electrospinning for polyurethane, thickness is 10-20 μm.
6. one according to claim 1 and 2 treats intracranial aneurysm electrolysis de-etching overlay film frame, it is characterized in that: the diameter of described rack body (1) after discharging completely is 2-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749410.1U CN204446194U (en) | 2014-12-04 | 2014-12-04 | One treats intracranial aneurysm electrolysis de-etching overlay film frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749410.1U CN204446194U (en) | 2014-12-04 | 2014-12-04 | One treats intracranial aneurysm electrolysis de-etching overlay film frame |
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| CN204446194U true CN204446194U (en) | 2015-07-08 |
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| CN201420749410.1U Expired - Fee Related CN204446194U (en) | 2014-12-04 | 2014-12-04 | One treats intracranial aneurysm electrolysis de-etching overlay film frame |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434353A (en) * | 2014-12-04 | 2015-03-25 | 曾延华 | Electronic detaching and etching covered stent for treatment of intracranial aneurysm and operation method thereof |
| CN107638230A (en) * | 2017-11-08 | 2018-01-30 | 管生 | A kind of New type detachable encephalic overlay film frame system and its application method |
| CN107714243A (en) * | 2017-09-29 | 2018-02-23 | 翎秀生物科技（上海）有限公司 | The intranasal support of self-expansion type |
| CN114129300A (en) * | 2021-11-30 | 2022-03-04 | 北京大学第三医院（北京大学第三临床医学院） | Conformal stent and conveying method thereof |
-
2014
- 2014-12-04 CN CN201420749410.1U patent/CN204446194U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434353A (en) * | 2014-12-04 | 2015-03-25 | 曾延华 | Electronic detaching and etching covered stent for treatment of intracranial aneurysm and operation method thereof |
| CN107714243A (en) * | 2017-09-29 | 2018-02-23 | 翎秀生物科技（上海）有限公司 | The intranasal support of self-expansion type |
| CN107714243B (en) * | 2017-09-29 | 2021-05-07 | 依奈德医疗技术（上海）有限公司 | Self-expansion type nasal stent |
| CN107638230A (en) * | 2017-11-08 | 2018-01-30 | 管生 | A kind of New type detachable encephalic overlay film frame system and its application method |
| CN114129300A (en) * | 2021-11-30 | 2022-03-04 | 北京大学第三医院（北京大学第三临床医学院） | Conformal stent and conveying method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20191204 |