CN201179128Y - Abdomen arteria bifurcate blood stent with samdwich - Google Patents
Abdomen arteria bifurcate blood stent with samdwich Download PDFInfo
- Publication number
- CN201179128Y CN201179128Y CNU2007201209715U CN200720120971U CN201179128Y CN 201179128 Y CN201179128 Y CN 201179128Y CN U2007201209715 U CNU2007201209715 U CN U2007201209715U CN 200720120971 U CN200720120971 U CN 200720120971U CN 201179128 Y CN201179128 Y CN 201179128Y
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- pipe
- bifurcated
- intubate
- interlayer
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Abstract
The utility model relates to an abdominal artery bifurcation blood vessel bracket which is provided with an interlayer and comprises a main bifurcation tube and an intubation tube, wherein, a short bifurcation tube that is arranged at the rear end of the main bifurcation tube takes the shape of a taper or a ladder that is manufactured in advance, a combination part of the intubation tube that is matched with the short bifurcation tube also takes the shape of the corresponding taper or the ladder, the interlayer is arranged between the combination part of the intubation tube and the short bifurcation tube that are manufactured in advance into the shape and the size which are used in pair, under the state of implanting the abdominal artery blood vessel lesion location, the combination part of the intubation tube is spliced into and tightly combined with the short bifurcation tube of the main bifurcation tube into an integer, and all parts of the stent are positioned accurately, thereby being capable of preventing the intubation tube from moving in the short bifurcation tube that is arranged at the rear end of the main bifurcation tube and effectively avoiding the phenomenon of inner blood effusion and leakage that appears in the main bifurcation tube and the combination part of the intubation tube.
Description
Technical field
This utility model belongs to technical field of medical instruments, specifically is a kind of abdomen aortic bifurcation intravascular stent that has interlayer.
Background technology
As everyone knows, some people's abdominal aortic blood vessel can produce pathological changes such as hemangioma, must treat, aortic aneurysm endovascular graft exclusion is exactly a kind of method that abdomen arterial blood tuberculation is treated, its principle is through femoral artery the abdomen aortic bifurcation intravascular stent of making to be delivered to the position of abdomen arteries pathological changes by corresponding induction system, bifurcated main body pipe and intubate with the bifurcated vessels support discharges respectively in conduit then, intubate is inserted into the appointed positions of bifurcated main body pipe, they each self-align after, the self-expanding of abdomen arteries support is flared to original bore, and be fixed on the position of abdomen arteries pathological changes, blood flow promptly flows through in intravascular stent, the position of abdomen arteries pathological changes and artery blood flow are isolated, the tumor wall of expansion state thereby contraction gradually, thus reach the aneurysmal purpose of treatment.
But traditional abdomen arteries supporting structure is simple, discharges main body pipe and intubate respectively and when locating in conduit, under the arterial blood of high speed and high pressure is impacted, and moving when easily causing intravascular stent and intubate to discharge, the location is inaccurate; Simultaneously, under the impact of the arterial blood of high speed and high pressure, the main body pipe of intravascular stent and the joint portion between the intubate are prone to inside and ooze, leak the blood phenomenon, badly influence the patient effect and the recovery period of pathological changes such as hemangioma.
Summary of the invention
For overcoming the problems referred to above that existing abdomen aortic bifurcation intravascular stent exists, this utility model provides a kind of abdomen aortic bifurcation intravascular stent that has interlayer, with the accurate location of the abdomen aortic bifurcation intravascular stent each several part of realizing being imported into abdomen arterial disease position, avoid inside to ooze, leak the generation of blood phenomenon.
This utility model has the abdomen aortic bifurcation intravascular stent of interlayer, comprise bifurcated main body pipe and intubate, a short bifurcated pipe of the rear end of described bifurcated main body pipe is tapering shape or the stairstepping that is made in advance, and the bound fraction of the intubate that cooperatively interacts with the short bifurcated pipe of bifurcated main body pipe also is tapering shape or the stairstepping that is made into the pairing use in advance; Simultaneously, the size of the short bifurcated pipe of bifurcated main body pipe rear end, be of a size of the fit dimension that can make both tight connectings of design in advance with the bound fraction of intubate, can be provided with interlayer between the bound fraction of intubate and the short bifurcated pipe, implanting abdomen arteries pathological changes position user mode, the bound fraction of intubate is plugged in the short bifurcated pipe of bifurcated main body pipe rear end they is closely as one, to stop intubate moving in the short bifurcated pipe of bifurcated main body pipe rear end effectively, prevent that blood from oozing, leaking in the inside of bifurcated main body pipe and intubate joint portion.
Wherein, the rear end of the short bifurcated pipe of bifurcated main body pipe can be provided with interlayer, and this interlayer is to be made into the shape that the corresponding mating part with intubate matches in advance, reaches to make the accurate positioning between them and prevent the effect that blood oozes, leaks.
The intubate front end can be designed as bare bracket, the multiple rete of the inside and outside surface of the metal rack that is complementary with shape of blood vessel of remainder parcel or sew on the fiber-like fabric, the surface of multiple rete or fiber-like fabric can fixedly connected interlayer, the overall dimensions of this interlayer usually should be more than or equal to the internal diameter of the corresponding mating part of the short bifurcated pipe in bifurcated main body pipe rear end, so that produce the cooperation that makes between them effect more closely.The ring-type restraint zone also can be set on the multiple rete of intubate or the ring-type restraint zone is not set.
Under the X fluoroscopic monitoring, the bifurcated vessels support imports abdomen arteries pathological changes position by induction system through the femoral artery blood vessel, and discharge, the bound fraction of short bifurcated pipe and intubate close-fitting with it all is made into tapering shape or stairstepping and the size that pairing is used in advance, and between the bound fraction of intubate and short bifurcated pipe, be provided with interlayer, make the accurate positioning of the bifurcated vessels support each several part after the release, stoped intubate moving in the short bifurcated pipe of bifurcated main body pipe rear end, can effectively prevent to ooze in the inside of bifurcated main body pipe and intubate joint portion, leak the generation of blood phenomenon.
Description of drawings
Fig. 1 is the structural representation of this utility model exemplary embodiments;
Fig. 2 is the bifurcated main body tubular construction sketch map of Fig. 1;
Fig. 3 is the cannula structures sketch map of Fig. 1;
Fig. 4 is the intubate of Fig. 1 and the partial enlarged drawing of bifurcated main body pipe jointing portion.
The specific embodiment
Below in conjunction with the embodiment accompanying drawing this utility model is further specified.
With reference to Fig. 1-4, the abdomen aortic bifurcation intravascular stent that embodiment has interlayer mainly comprises bifurcated main body pipe 1 and intubate 2, and they match use.Bifurcated main body pipe 1, has the metal rack that is complementary with shape of blood vessel, the front end of this metal rack is the bare bracket part, all wrap up multiple rete or sew on other fiber-like fabric except that the inside and outside surface of the remainder of the bare bracket of front end part, the rear end of metal rack is connected to a long bifurcated pipe and a short bifurcated pipe.The short bifurcated pipe of the rear end of bifurcated main body pipe 1 is the tubular structure of the band tapering that is made in advance, round type as shown in the figure etc.At the fixedly connected interlayer 3 in rear end of short bifurcated pipe, this interlayer 3 is to be made into the shape that the corresponding bound fraction with intubate 2 matches in advance, reaches to make the accurate positioning between them and prevent the purpose that blood oozes, leaks.
Intubate 2 has the metal rack that is complementary with shape of blood vessel, one end of this metal rack can be designed to the bare bracket part, in the remainder, outer surface all wraps up multiple rete or sews on other fiber-like fabric, the other end of intubate 2 is the bound fraction that cooperates with the short bifurcated pipe of bifurcated main body pipe 1, also can fixedly connected another interlayer 4 in the multiple rete of the bound fraction of intubate 2 or fiber-like fabric exterior, this interlayer cover 4 is to be made into the shape that the inner surface with above-mentioned short bifurcated pipe correspondent section matches in advance, in general the overall dimensions of interlayer 4 is the internal diameter more than or equal to the corresponding bound fraction of the short bifurcated pipe in bifurcated main body pipe 1 rear end, so that produce the cooperation that makes between them effect more closely.Can select to be provided with the ring-type restraint zone on the multiple rete of intubate 2 or the ring-type restraint zone is not set.
The bound fraction of the intubate 2 that cooperatively interacts with the short bifurcated pipe of bifurcated main body pipe 1 also is the tubular structure of the band tapering that is made in advance, round type as shown in the figure etc.The size of the short bifurcated pipe of bifurcated main body pipe 1, be of a size of the fit dimension that can make both tight connectings of design in advance with the bound fraction of intubate 2, implanting abdomen arteries pathological changes position state, the bound fraction of intubate 2 is plugged in the short bifurcated pipe of bifurcated main body pipe 1 rear end they is closely as one, can effectively stop intubate 2 moving in the short bifurcated pipe of bifurcated main body pipe 1, prevent that blood from oozing, leaking in the inside of bifurcated main body pipe and intubate joint portion.
The fiber-like fabric can be wrapped up or sew in above-mentioned bifurcated main body pipe 1 inside and outside surface also except that the multiple rete of parcel.Equally, multiple rete can be wrapped up in intubate 2 inside and outside surfaces, also can wrap up or sew on the fiber-like fabric.On the multiple rete or fiber-like tissue layer of bifurcated main body pipe 1 and intubate 2, can also be provided with the ring-type restraint zone.Wherein, the material of multiple rete can adopt traditional politef, polyester etc.The metal rack of bifurcated main body pipe 1 and the metal rack of intubate 2 adopt material such as Nitinol, rustless steel usually.
In the foregoing description, be provided with two interlayers simultaneously, i.e. the interlayer 3 of the rear end of short bifurcated pipe, and another interlayer 4 of the bound fraction of intubate 2.According to concrete applicable cases, can be chosen in short bifurcated pipe or intubate bound fraction one place is provided with interlayer 3 or interlayer 4, can also between the bound fraction of short bifurcated pipe and intubate, plural interlayer be set, derive the abdomen aortic bifurcation intravascular stent embodiment of other form.
In concrete the enforcement, the bound fraction of the short bifurcated pipe of bifurcated main body pipe 1, the intubate 2 that cooperates with this weak point bifurcated pipe all is made into the tubular structure and the size of the band tapering that is complementary in advance, they match use, to guarantee that both can be closely as one, to stop intubate 2 moving in the short bifurcated pipe of bifurcated main body pipe 1 rear end effectively.As, the short bifurcated pipe of bifurcated main body pipe 1 can be round type or positive six terrace with edge shapes pipe or the like, the bound fraction of intubate 2 is corresponding round type or positive six terrace with edge shapes pipe or the like, the external diameter of the bound fraction of intubate 2 should be more than or equal to the internal diameter of the short bifurcated pipe of the bifurcated main body pipe 1 that is mated, to realize both combining closely.
The short bifurcated pipe of bifurcated main body pipe 1 also can be designed to the stairstepping pipe, the bound fraction of the intubate 2 that pairing is used is designed to corresponding stairstepping pipe, the external dimensions of the bound fraction of intubate 2 is not less than the inside dimension of the short bifurcated pipe of the bifurcated main body pipe 1 that is mated, to realize both combining closely.
When the bifurcated vessels support is delivered to the position of abdomen arteries pathological changes and is discharged respectively by corresponding induction system after, intubate 2 is inserted into the appointed positions of bifurcated main body pipe, the self-expanding of abdomen aortic bifurcation intravascular stent is flared to original bore, and be fixed on the position of abdomen arteries pathological changes, blood flow promptly flows through in the bifurcated vessels support, under the arterial blood of high speed and high pressure is impacted, because the short bifurcated pipe of bifurcated main body pipe 1, the bound fraction of the intubate 2 that cooperates with this weak point bifurcated pipe all is made into the tubular structure and the size of the band tapering that is complementary in advance, simultaneously owing to answer the inside fit dimension of fixedly connected interlayer 4 overall dimensions of film surface greater than the short bifurcated pipe of bifurcated main body pipe 1, interference between them prevents effectively that in conjunction with the sealing that is produced blood from oozing internally, leaking blood now looks like, interference between them can stop intubate 2 to move backward in conjunction with the resistance that is produced, the fixedly connected interlayer 3 in short bifurcated pipe rear end of bifurcated main body pipe 1, can stop intubate 2 forward (promptly to main body pipe 1 direction) move, thereby abdomen aortic bifurcation intravascular stent each several part is accurately located.
Claims (8)
1, a kind of abdomen aortic bifurcation intravascular stent that has interlayer, comprise bifurcated main body pipe and intubate, it is characterized in that: a short bifurcated pipe of the rear end of described bifurcated main body pipe is tapering shape or the stairstepping that is made in advance, and the bound fraction of the intubate that cooperatively interacts with the short bifurcated pipe of bifurcated main body pipe also is to be made into tapering shape or the stairstepping that pairing is used in advance; Simultaneously, the size of the short bifurcated pipe of bifurcated main body pipe rear end, be of a size of the fit dimension that can make both tight connectings of design in advance with the bound fraction of intubate, can be provided with interlayer between the bound fraction of intubate and the short bifurcated pipe, in user mode, the bound fraction of intubate is plugged in the short bifurcated pipe of bifurcated main body pipe rear end they is closely as one, and can stop intubate moving in the short bifurcated pipe of bifurcated main body pipe effectively.
2, according to the abdomen aortic bifurcation intravascular stent that has interlayer of claim 1, it is characterized in that: described intubate front end is a bare bracket, the multiple rete of the inside and outside surface of the metal rack that is complementary with shape of blood vessel of remainder parcel or sew on the fiber-like fabric, the surperficial fixedly connected interlayer of multiple rete or fiber-like fabric, the overall dimensions of this interlayer is more than or equal to the internal diameter of the corresponding mating part of the short bifurcated pipe in bifurcated main body pipe rear end.
3, according to the abdomen aortic bifurcation intravascular stent that has interlayer of claim 2, it is characterized in that: on the multiple rete of described intubate the ring-type restraint zone is set.
4, according to the abdomen aortic bifurcation intravascular stent that has interlayer of claim 1, it is characterized in that: the fixedly connected interlayer in rear end of the short bifurcated pipe of described bifurcated main body pipe, this interlayer cover are to be made into the shape that the corresponding bound fraction with intubate matches in advance.
5, according to the abdomen aortic bifurcation intravascular stent that has interlayer of claim 1, it is characterized in that: described bifurcated main body pipe has the metal rack that is complementary with shape of blood vessel, the front end of this metal rack is the bare bracket part, except that all wrapping up multiple rete or sew on the fiber-like fabric, the fixedly connected interlayer in the rear end of its short bifurcated pipe in the inside and outside surface of the remainder of the bare bracket of front end part; Described intubate has the metal rack that is complementary with shape of blood vessel, and an end of this metal rack is the bare bracket part, and the inside and outside surface of remainder is all wrapped up multiple rete or sewed on the fiber-like fabric, fixedly connected another interlayer of the bound fraction outer surface of intubate.
6, according to the abdomen aortic bifurcation intravascular stent that has interlayer of claim 5, it is characterized in that: on the multiple rete or fiber-like tissue layer of described bifurcated main body pipe and intubate, be provided with the ring-type restraint zone.
7, according to the abdomen aortic bifurcation intravascular stent that has interlayer of claim 1 or 2 or 4 or 5, it is characterized in that: the short bifurcated pipe of described bifurcated main body pipe is round type or positive six terrace with edge shapes pipe, the bound fraction of the intubate that pairing is used is corresponding round type or positive six terrace with edge shapes pipe, and the external diameter of the bound fraction of intubate should be more than or equal to the internal diameter of the short bifurcated pipe of the bifurcated main body pipe that is mated.
8, according to the abdomen aortic bifurcation intravascular stent that has interlayer of claim 1 or 2 or 4 or 5, it is characterized in that: the short bifurcated pipe of described bifurcated main body pipe adopts the stairstepping pipe, the bound fraction of the intubate that pairing is used is corresponding stairstepping pipe, and the external diameter of the bound fraction of intubate should be more than or equal to the internal diameter of the short bifurcated pipe of the bifurcated main body pipe that is mated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201209715U CN201179128Y (en) | 2007-06-22 | 2007-06-22 | Abdomen arteria bifurcate blood stent with samdwich |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201209715U CN201179128Y (en) | 2007-06-22 | 2007-06-22 | Abdomen arteria bifurcate blood stent with samdwich |
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| Publication Number | Publication Date |
|---|---|
| CN201179128Y true CN201179128Y (en) | 2009-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201209715U Expired - Lifetime CN201179128Y (en) | 2007-06-22 | 2007-06-22 | Abdomen arteria bifurcate blood stent with samdwich |
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| CN (1) | CN201179128Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103505309A (en) * | 2012-06-19 | 2014-01-15 | 巴顿有限公司 | Stent for bifurcation, a system for intravascular implantation of the stent for bifurcation and a method of implantation of the stent for bifurcation |
| CN105213074A (en) * | 2015-10-21 | 2016-01-06 | 湖南埃普特医疗器械有限公司 | A kind of overlay film frame and using method thereof |
| CN105496603A (en) * | 2015-12-30 | 2016-04-20 | 先健科技(深圳)有限公司 | Pipe cavity bracket |
| CN107411846A (en) * | 2017-04-01 | 2017-12-01 | 上海长海医院 | A kind of part overlay film aorta ascendens support |
| WO2018010546A1 (en) * | 2016-07-13 | 2018-01-18 | 先健科技(深圳)有限公司 | Branched, membrane-coated stent |
| CN109700563A (en) * | 2018-12-24 | 2019-05-03 | 先健科技(深圳)有限公司 | Branch's overlay film frame |
-
2007
- 2007-06-22 CN CNU2007201209715U patent/CN201179128Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103505309A (en) * | 2012-06-19 | 2014-01-15 | 巴顿有限公司 | Stent for bifurcation, a system for intravascular implantation of the stent for bifurcation and a method of implantation of the stent for bifurcation |
| CN105213074A (en) * | 2015-10-21 | 2016-01-06 | 湖南埃普特医疗器械有限公司 | A kind of overlay film frame and using method thereof |
| CN105496603A (en) * | 2015-12-30 | 2016-04-20 | 先健科技(深圳)有限公司 | Pipe cavity bracket |
| US10624768B2 (en) | 2015-12-30 | 2020-04-21 | Lifetech Scientific (Shenzhen) Co., Ltd | Luminal stent |
| WO2018010546A1 (en) * | 2016-07-13 | 2018-01-18 | 先健科技(深圳)有限公司 | Branched, membrane-coated stent |
| CN107625562A (en) * | 2016-07-13 | 2018-01-26 | 先健科技(深圳)有限公司 | Branched membrane-covered support |
| CN107625562B (en) * | 2016-07-13 | 2020-02-04 | 先健科技(深圳)有限公司 | Branch type covered stent |
| CN107411846A (en) * | 2017-04-01 | 2017-12-01 | 上海长海医院 | A kind of part overlay film aorta ascendens support |
| CN107411846B (en) * | 2017-04-01 | 2023-04-07 | 上海长海医院 | Ascending aorta stent with partial film covering |
| CN109700563A (en) * | 2018-12-24 | 2019-05-03 | 先健科技(深圳)有限公司 | Branch's overlay film frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090114 |