CN202207217U - Stent-graft for therapy in complex abdominal aortic aneurysm cavity - Google Patents
Stent-graft for therapy in complex abdominal aortic aneurysm cavity Download PDFInfo
- Publication number
- CN202207217U CN202207217U CN2011202906351U CN201120290635U CN202207217U CN 202207217 U CN202207217 U CN 202207217U CN 2011202906351 U CN2011202906351 U CN 2011202906351U CN 201120290635 U CN201120290635 U CN 201120290635U CN 202207217 U CN202207217 U CN 202207217U
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- main body
- body rack
- stent
- support
- window
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Abstract
The utility model discloses a stent-graft for therapy in a complex abdominal aortic aneurysm cavity. The stent-graft comprises two parts: a main body support and a branch support, wherein the main body support is funnel-shaped, and two front wall windows are formed on the front wall of the upper part of the main body support while two sidewall windows are formed on the sidewalls of the middle part thereof; a straight-tube stent-graft channel is arranged upwards along each sidewall window; the branch support is circular-tube-shaped; and the diameter of the branch support is adaptive to that of the renal artery.
Description
Technical field
This utility model relates to the medical apparatus and instruments of implant into body, relates in particular to the stent that is used for complicated abdominal aortic aneurysm intracavitary therapy.
Background technology
Abdominal aortic aneurysm usually occurs near the renal artery place.When tumor body near-end and arteriorenal distance very hour owing to there are not enough proximal landing zones to be regarded as the contraindication that conventional equipment intracavity is repaired.At present medical circle has developed " stent of windowing " this type patient has been implemented the implanted treatment of stent, promptly implants main body rack at ventral aorta, offers window at main body rack, at window branch's support blood vessel is installed again, leads to branch vessel.Abdominal aortic aneurysm is implemented the reconstruction that stent that intracavitary therapy implants relates to coeliac trunk artery, superior mesenteric artery and four bifurcated artery blood vessels of left and right sides renal artery.Medical research shows; Different patients; There is individual variation in the locus of these four internal organs tremulous pulsies, implants the stent of windowing and need carry out detection and location accurately to each patient's diseased region and peripheral blood vessel, carries out design, the making of support blood vessel by testing result.This detection, design, making to individual patient, not only program is complicated, and receives instrument measure of precision and operator proficiency level's influence, and usually degree of accuracy is poor for the support blood vessel of made, makes therapeutic effect have a greatly reduced quality.
The utility model content
The purpose of this utility model is to provide a kind of individuation that do not need to customize, and can rebuild the stent of internal organs tremulous pulse.
This description is to related human organ and body implant, distinguishes and put down in writing orientation up and down as follows: the direction near people's head is last, near the direction of people's foot for down; Differentiating method to flat orientation is: according to its cross section depression angle, copy the clock hour to distinguish and the record flat orientation, the point that points to vertebra is decided to be 12 points (0 point).
This utility model stent comprises main body rack and branch's support two parts.Main body rack is planted in ventral aorta, and branch support upper end embeds in the main body rack, and the lower end is stretched in the renal artery.
Said main body rack is an infundibulate totally, is divided into upper, middle, and lower part.Its top is thicker pipe, and its underpart is thinner pipe, and the middle part is the portion of dividing a word with a hyphen at the end of a line from the coarse to fine.The bore of bottom pipe is the 3/5-4/5 of top pipe bore.Main body rack is provided with a front wall notch and an antetheca window at an upper portion thereof, is provided with two sidewall windows in the middle.
Said front wall notch is arranged at the main body rack upper limb and is equivalent at 6 and locates, corresponding coeliac trunk artery opening part of this groove behind the implant into body.Groove can be square, also can be the arc design.The suitable width of groove is 10-14mm, and the suitable degree of depth is 4-6mm.
Said antetheca window is positioned at the main body rack antetheca and is equivalent at 6 and locates, below groove, with the spacing of groove be 4-6mm, window diameter 6-10mm.The corresponding superior mesenteric artery opening part of this window behind the implant into body.
Said sidewall window is positioned at the main body rack two side funnel portion's section start of dividing a word with a hyphen at the end of a line.Two windows are in same level, are equivalent at 3 and 9 and locate.After the support blood vessel was implanted ventral aorta, the two side window is corresponding both sides renal artery opening respectively.
Along the sidewall window upwards, a straight tube each side is set, is called the stent passage, be equipped with and make to embed branch's support blood vessel usefulness at the main body rack inwall.The height of stent passage is equivalent to the 1/3-2/3 of infundibulate main body rack top tubular part height, and the internal diameter of stent passage is to be suitable for embedding branch's support for suitable.
Said branch support is pipe body independently at resting state; Behind implant into body, its upper end is stretched in the support passage through main body rack sidewall window, socket-connects with the support passage; Implant in the renal artery its lower end.The thickness of branch's support and renal artery diameter adapt.The length of branch's support should satisfy following requirement: behind the implant into body, branch support upper end and straight tube stent passage suitable for reading maintains an equal level or suitable for reading a little less than straight tube stent passage, and the lower end of branch's support should arrive and be no less than the 5mm place in the renal artery.
As optimization, at the lower end of main body rack continued access additional body type blood vessel.The end opening of main body rack inserts in additional body blood vessel suitable for reading, forms the socket relation.So structure can enlarge the therapeutic domain of this utility model stent.
The employing of this utility model stent has the stainless steel silk of memory function or the skeleton of titanium alloy wire braiding each several part, lining terylene artificial blood vessel's thin film (DACRON) on metallic framework.
This utility model support blood vessel divides secondary to implant in use.The first step is implanted main body rack through carrier.After main body rack was implanted, its front wall notch was relative with the coeliac trunk artery opening, and the antetheca window is relative with the superior mesenteric artery opening.Because the area of front wall notch wants much open with respect to the bore of coeliac trunk artery opening; When implanting this utility model stent; Even if there is a little dislocation also to be unlikely to cause support blood vessel wall blocking to the coeliac trunk artery opening; Therefore, the operator can be closed the para-position that main attention is placed on antetheca window and superior mesenteric artery opening and fastened.Like this, when improving property easy for installation, can also reach higher accuracy and success rate.
Go after main body rack is implanted and put in place again and implant branch's support, branch support upper end is stretched in the support passage through the sidewall window, branch stretches in the renal artery support lower end; The additional body blood vessel is installed afterwards if desired again.
This utility model stent has versatility widely to the abdominal aortic aneurysm patient, need not detect design one by one, making with the support blood vessel to individual patient.
Description of drawings
Fig. 1 is this utility model main body rack structural representation;
Fig. 2 is that this utility model branch support and main body rack implantation concern sketch map.
Represented parts or the position of label is among the figure: 1-main body rack top; 2-main body rack front wall notch; 3-main body rack antetheca window; 4-support passage; 5-main body rack sidewall window; 6-main body rack middle part; 7-main body rack bottom; 8-branch support.
The specific embodiment
Below through accompanying drawing and embodiment this utility model is described further.
Adopt tool elasticity and inflexible each parts skeleton of metal wire knitted this utility model stent, the preferred niti-shaped memorial alloy silk of said tinsel, its footpath is at 0.1～1mm.Lining terylene artificial blood vessel's thin film (DACRON) on metallic framework.
As depicted in figs. 1 and 2, this utility model stent is divided into main body rack and branch's support two parts.Main body rack is an infundibulate totally, is divided into upper, middle, and lower part.Its top 1 is thicker pipe, and its underpart 7 is thinner pipe, and middle part 6 is the portion of dividing a word with a hyphen at the end of a line from the coarse to fine.Main body rack 1 is provided with front wall notch 2 and an antetheca window 3 at an upper portion thereof, is provided with two sidewall windows 5 in the middle.
Said front wall notch 2 and window 3 all are positioned at the main body rack antetheca and are equivalent at 6 and locate.Said groove 2 is actual to be a square breach of main body rack antetheca suitable for reading, groove width 12mm, groove depth 5mm.Groove 2 also can be the arc design.The spacing of groove 2 lower edges and window 3 upper limbs is 5mm.Window 3 is circular, and window 3 diameters are 8mm.After the support blood vessel is implanted ventral aorta, groove 2 corresponding coeliac trunk artery opening parts, window 3 corresponding superior mesenteric artery opening parts.
Said sidewall window 5 is positioned at the main body rack sidewall and is equivalent at 3 and 9 and locates, and left and right sides sidewall window 5 is in same level, and the height of window 5 is at the middle part 6 of main body rack, is equivalent to the funnel portion's section start of dividing a word with a hyphen at the end of a line.After the support blood vessel was implanted ventral aorta, main body rack two side window 5 is corresponding both sides renal artery opening part respectively.
At the main body rack inwall straight tube is set each side, is called support passage 4, be equipped with and make to embed branch's support 8 usefulness.The height of support passage 4 is equivalent to the 1/3-2/3 of main body rack top tubular part 1 height, and the internal diameter of support passage 4 is to be suitable for embedding branch's support 8 for suitable.The end opening of support passage 6 promptly is the sidewall window 5 of main body rack.Support passage 4 can together weave establishment when the braiding main body rack, also can weave tubular support separately, sews up, ties up fixed connection with main body rack.
Said branch support 8 is a pipe, diameter 6mm, length 10mm.Behind the implant into body, insert in the support passage 4 through the sidewall window 5 of main body rack the upper end of branch's support 8, and insert in the renal artery lower end of branch's support 8.
Whenever necessary, at the lower end of main body rack continued access additional body blood vessel.The end opening of main body rack inserts in additional body blood vessel suitable for reading, forms the socket relation.
This utility model stent can be adjusted some technical parameters, forms the series of products of different model, to adapt to different patients' needs.Adjustable technical parameter has: the diameter dimension of main body rack top 1 and bottom 7; The ratio of top and the bottom diameter; The diameter of branch's support 8; The length of branch's support 8.
Claims (7)
1. a stent that is applicable to complicated abdominal aortic aneurysm intracavitary therapy is characterized in that, its structure comprises main body rack and branch's support two parts; Said main body rack is an infundibulate totally, is divided into upper, middle, and lower part, and its top is thicker pipe, and its underpart is thinner pipe, and the middle part is the portion of dividing a word with a hyphen at the end of a line from the coarse to fine; Main body rack top is provided with a front wall notch and an antetheca window, and the main body rack middle part is provided with two sidewall windows; Wherein,
Front wall notch is arranged at the main body rack upper limb and is equivalent at 6 and locates, and groove is square or arc, and recess width is 10-14mm, and depth of groove is 4-6mm;
The antetheca window is positioned at the main body rack antetheca and is equivalent at 6 and locates, below groove, with the spacing of groove be 4-6mm, window diameter 6-10mm;
The sidewall window is positioned at two side, main body rack middle part and is equivalent at 3 and 9 and locates, and two windows are in same level, and upper window edge is equivalent to the funnel section start of dividing a word with a hyphen at the end of a line from the coarse to fine;
Along the sidewall window upwards, a straight tube stent passage each side is set, is equipped with and makes to embed branch's support blood vessel usefulness at the main body rack inwall;
Branch's support is pipe body independently at resting state, and behind implant into body, its upper end is stretched in the stent passage through main body rack sidewall window, and implant in renal artery its lower end.
2. stent according to claim 1 is characterized in that, the bottom pipe bore of infundibulate main body rack is the 3/5-4/5 of top pipe bore.
3. stent according to claim 1 is characterized in that, the height that is arranged at the stent passage of main body rack medial wall is equivalent to the 1/3-2/3 of main body rack top tubular part height.
4. stent according to claim 1 is characterized in that, the thickness of branch's support and renal artery diameter adapt; Length should be no less than the 5mm place in its lower end arrival renal artery after implantation.
5. stent according to claim 1 is characterized in that, at the lower end of main body rack continued access additional body blood vessel, the lower end of main body rack and the upper end of additional body socket-connect.
6. according to the described stent of the arbitrary claim of claim 1-5, it is characterized in that the material of making the support vascular skeleton adopts titanium alloy wire or the stainless steel silk with memory function.
7. stent according to claim 6 is characterized in that, lining terylene artificial blood vessel thin film on metallic framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202906351U CN202207217U (en) | 2011-04-27 | 2011-08-11 | Stent-graft for therapy in complex abdominal aortic aneurysm cavity |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120127286 | 2011-04-27 | ||
| CN201120127286.1 | 2011-04-27 | ||
| CN2011202906351U CN202207217U (en) | 2011-04-27 | 2011-08-11 | Stent-graft for therapy in complex abdominal aortic aneurysm cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202207217U true CN202207217U (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202906351U Expired - Lifetime CN202207217U (en) | 2011-04-27 | 2011-08-11 | Stent-graft for therapy in complex abdominal aortic aneurysm cavity |
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| CN (1) | CN202207217U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379757A (en) * | 2011-04-27 | 2012-03-21 | 郭伟 | Stent-type blood vessel for intracavity treatment of complex abdominal aortic aneurysm |
| CN103876860A (en) * | 2014-04-14 | 2014-06-25 | 中国人民解放军第三军医大学第三附属医院 | Aorta covered stent with chimney stent supporting pipe |
| CN108024863A (en) * | 2015-09-01 | 2018-05-11 | 美敦力公司 | Bracket component and the method for delivering and this bracket component of deployment including the passage that blood flow is provided to coronary artery |
| WO2020108546A1 (en) * | 2018-11-28 | 2020-06-04 | 杭州唯强医疗科技有限公司 | Vascular stent with improved development performance and embedded branch stent thereof |
| WO2020125226A1 (en) * | 2018-12-18 | 2020-06-25 | 深圳市先健畅通医疗有限公司 | Lumen stent and implant |
| CN111329634A (en) * | 2018-12-18 | 2020-06-26 | 深圳市先健畅通医疗有限公司 | Implant and method of manufacturing the same |
| CN111329635A (en) * | 2018-12-18 | 2020-06-26 | 深圳市先健畅通医疗有限公司 | Implant and method of manufacturing the same |
| WO2022076686A1 (en) | 2020-10-07 | 2022-04-14 | Canary Medical Switzerland Ag | Providing medical devices with sensing functionality |
-
2011
- 2011-08-11 CN CN2011202906351U patent/CN202207217U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379757A (en) * | 2011-04-27 | 2012-03-21 | 郭伟 | Stent-type blood vessel for intracavity treatment of complex abdominal aortic aneurysm |
| CN102379757B (en) * | 2011-04-27 | 2014-04-09 | 郭伟 | Stent-type blood vessel for intracavity treatment of complex abdominal aortic aneurysm |
| CN103876860A (en) * | 2014-04-14 | 2014-06-25 | 中国人民解放军第三军医大学第三附属医院 | Aorta covered stent with chimney stent supporting pipe |
| CN108024863A (en) * | 2015-09-01 | 2018-05-11 | 美敦力公司 | Bracket component and the method for delivering and this bracket component of deployment including the passage that blood flow is provided to coronary artery |
| US11413172B2 (en) | 2015-09-01 | 2022-08-16 | Medtronic, Inc. | Stent assemblies including passages to provide blood flow to coronary arteries and methods of delivering and deploying such stent assemblies |
| WO2020108546A1 (en) * | 2018-11-28 | 2020-06-04 | 杭州唯强医疗科技有限公司 | Vascular stent with improved development performance and embedded branch stent thereof |
| WO2020125226A1 (en) * | 2018-12-18 | 2020-06-25 | 深圳市先健畅通医疗有限公司 | Lumen stent and implant |
| CN111329634A (en) * | 2018-12-18 | 2020-06-26 | 深圳市先健畅通医疗有限公司 | Implant and method of manufacturing the same |
| CN111329635A (en) * | 2018-12-18 | 2020-06-26 | 深圳市先健畅通医疗有限公司 | Implant and method of manufacturing the same |
| WO2022076686A1 (en) | 2020-10-07 | 2022-04-14 | Canary Medical Switzerland Ag | Providing medical devices with sensing functionality |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120502 Effective date of abandoning: 20140409 |
|
| RGAV | Abandon patent right to avoid regrant |