CN2605866Y - Canal stent - Google Patents
Canal stent Download PDFInfo
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- CN2605866Y CN2605866Y CN 03228744 CN03228744U CN2605866Y CN 2605866 Y CN2605866 Y CN 2605866Y CN 03228744 CN03228744 CN 03228744 CN 03228744 U CN03228744 U CN 03228744U CN 2605866 Y CN2605866 Y CN 2605866Y
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Abstract
Disclosed is a bracket in the cavity canal. In the wire distribution structure on the bracket wall in the cavity canal, the flexible wire winds on the bracket in circular direction. The adjacent two circles of wire are in wave shape meshing in sequence and forming a wire ring arrayed in circular direction. The wire head is weaved into the bracket wall in the cavity canal, which is fixed without welding; and the bracket wall in the cavity canal can be covered with a film to lock the free end of the wire on the bracket wall for a smoother surface of the bracket wall. Therefore when the bracket in the cavity canal is transmitted by a guide pipe into the lumen in an apparatus to move in or planted into a narrow lumen in an apparatus to shrink and stretch with the apparatus, the lumen of the apparatus will not be scraped.
Description
This utility model relates to the intracanal scaffold that is used for the treatment of the narrow organ lumen of human body.
The routine operation step of the organ lumen that the treatment human body is narrow is: under X line perspective or endoscope or other display condition, earlier guide wire is imported to narrow organ lumen from external, foley's tube being followed guide wire is transported to narrow organ lumen place and carries out the expansion of organ lumen again, take out foley's tube then, delivery conduit follows guide wire intracanal scaffold is transported to narrow organ lumen place; In the position, both sides that is constrained on the intracanal scaffold on the delivery conduit, the visible cue mark of the corresponding X line in position can be arranged on the delivery conduit, be convenient to the doctor and intracanal scaffold correctly located at narrow organ lumen place; Take out delivery conduit and guide wire after discharging intracanal scaffold, intracanal scaffold can be kept original narrow organ lumen and be in expansion state.According to the anatomical position and the symptom of narrow organ lumen, the aforesaid operations step can be done some additions and deletions.
Intracanal scaffold can be divided into Esophageal Stent, intravascular stent, trachea bracket, biliary tract rack, urethra rack, rectum support and duodenum support etc. by purposes; Can be divided into straightthrough port, ladder pipe shape mouth, tubaeform mouth, spherical mouth, T shape mouth, Y shape mouth and the anti-shape mouth etc. that backflows by shape; Can be divided into coil type, Weaving type, film type and latticed etc. by structure; Can be divided into by the tube wall form of intracanal scaffold thin film cover type and no thin film cover type are arranged.As required, the thin film that covers can be elastomer, yarn fabric, fabric, adhesive-bonded fabric, biomaterial of the same race or xenogeneic or human body can absorb or degradation material etc., the thin film that covers can cover the interior week of intracanal scaffold, also can cover the periphery of intracanal scaffold, can also not only cover the interior week of intracanal scaffold but also cover the periphery of intracanal scaffold.Intracanal scaffold can adopt has good biocompatibility and restorative metal, polymer, composite or the human body of shape can absorb or braiding such as degradation material is made, and can add various medicines as required in intracanal scaffold.Intracanal scaffold both can draw the back in reeling off raw silk from cocoons colligation on delivery conduit, will reel off raw silk from cocoons during release and take out; After also can drawing in intracanal scaffold is filled in the trocar sheath of delivery conduit, during release trocar sheath is removed; By heating intracanal scaffold is expanded in the time of can also discharging.
The intracanal scaffold of introducing in the United States Patent (USP) 6019779 adopts wire or zonal tinsel is wound into helical spring, and its advantage is the simple in structure of intracanal scaffold, and is easily manufactured; Its shortcoming is that intracanal scaffold intracanal scaffold when organ lumen discharges constantly rotates, and understands scratch and crushes tissue, inserts the back intracanal scaffold and more easily lodges.The intracanal scaffold of introducing in the United States Patent (USP) 5849037 adopt single or side by side the double joint metal wire knitted become latticed support, its advantage is the less with material of intracanal scaffold, structure is continuous, and is easily manufactured; Its shortcoming is when filling in the trocar sheath of delivery conduit after intracanal scaffold draws in, the axial length of intracanal scaffold elongation in the intracanal scaffold reduced, the axial length along with intracanal scaffold in the intracanal scaffold expanded in diameter when thereby intracanal scaffold discharges in organ lumen shortens location difficulty when causing placing.In addition, after intracanal scaffold is inserted organ lumen, contraction and diastole along with organ lumen, the motion that the elongation of intracanal scaffold axial length in intracanal scaffold reduced and expansion, occurs and shorten, tend to scratch and crush tissue, also can cause intracanal scaffold to be shifted, influence the dilating effect of intracanal scaffold original narrow organ lumen in organ lumen.The intracanal scaffold of introducing in the United States Patent (USP) 6221099 adopt elastic metallic yarn along the circumferential helical coil of intracanal scaffold around and the two adjacent rings braiding that interlocks successively in wave shape form, its advantage is when colligation was on delivery conduit after intracanal scaffold drew in, the intracanal scaffold axial length changes very little when the intracanal scaffold gathering is dwindled, when thereby intracanal scaffold discharges in organ lumen, the intracanal scaffold axial length also changes very for a short time when recovering original diameter along with intracanal scaffold expansion, and the location is convenient when therefore placing.In addition, after intracanal scaffold is inserted organ lumen, contraction and diastole along with organ lumen, when the intracanal scaffold diameter constantly dwindles and expands, the tinsel of intracanal scaffold is main along circumferentially distortion, therefore the variation of intracanal scaffold axial length is very little, can prevent intracanal scaffold at the organ lumen internal shift, keeps the dilating effect of intracanal scaffold to original narrow organ lumen.Its shortcoming is in order to prevent that intracanal scaffold from scattering, the silk head wiry of braiding intracanal scaffold needs with welding fixing or being adhesively fixed with the end of thin film at the intracanal scaffold wall, the former makes the easy scratch of intracanal scaffold and crushes tissue, and the latter is shifted intracanal scaffold easily.The intracanal scaffold of introducing in the United States Patent (USP) 6352553 adopts the circumferential helical coil coiled tubulose of tinsel along intracanal scaffold, periphery covers the liquid crystal polymer of thermal-induced deformation respectively within it then, the intracanal scaffold of introducing in its advantage and the United States Patent (USP) 6251132 is similar, and the silk head wiry of intracanal scaffold need not weld fixing.Its shortcoming is the making more complicated of intracanal scaffold, go forward to need intracanal scaffold to be cooled to-30 ℃ to delivery conduit in the intracanal scaffold colligation, and the biocompatibility of the liquid crystal polymer of thermal-induced deformation is still indeterminate.
By above-mentioned obviously as can be seen, a large amount of not in specie intracanal scaffolds have been designed now, and the development work of new intracanal scaffold is still continuing, so that the intracanal scaffold that uses in a large number in the world every year is done further to improve, make that operation is more convenient, safety and correct, therapeutic effect is better.
The purpose of this utility model is to propose a kind of intracanal scaffold, be implemented in the structure of the tinsel distribution on the intracanal scaffold wall, elastic metallic yarn along the circumferential helical coil of support around, and the two adjacent rings formation wire rings that interlocks successively in wave shape, wherein the silk head wiry of braided support enrolls in the support, neither need weld fixing, do not need to be adhesively fixed again with the end of thin film at the intracanal scaffold wall, not only can prevent the intracanal scaffold scratch and crush the organ lumen tissue, but also can prevent the intracanal scaffold displacement.
Task of the present utility model is achieved through the following technical solutions: intracanal scaffold contains elastic metallic yarn.In the structure that tinsel on the intracanal scaffold wall distributes, around, and the two adjacent rings formation wire rings that interlocks successively in wave shape, above-mentioned wire rings is formed the wall of intracanal scaffold to tinsel along the circumferential helical coil of intracanal scaffold wall.Elastic metallic yarn can be sub-thread silk, bifilar silk, strands silk, band coating silk or band big envelope silk etc.Can chlamydate thin film on the intracanal scaffold wall.Thin film can be sealed the free-end wiry on the intracanal scaffold wall.Can also enroll the silk of other materials on the intracanal scaffold wall again.
In the structure that tinsel on first kind of intracanal scaffold wall of the present utility model distributes, silk head wiry can be earlier along each wire rings that circumferentially pierces into and pass outermost one circle on the intracanal scaffold wall successively of the end of intracanal scaffold wall, pierce into and pass wire rings on the intracanal scaffold wall abreast successively from the end of intracanal scaffold wall towards the axis of middle part direction and intracanal scaffold then.In the structure that tinsel on above-mentioned intracanal scaffold wall distributes, silk head wiry can also be more circumferentially pierces into and passes wire rings on the intracanal scaffold wall successively along the intracanal scaffold wall; Perhaps can also be more angledly pierce into and pass wire rings on the intracanal scaffold wall successively, then can be more circumferentially pierce into and pass wire rings on the intracanal scaffold wall successively along the intracanal scaffold wall towards the axis of middle part direction and intracanal scaffold.
In the structure that tinsel on second kind of intracanal scaffold wall of the present utility model distributes, silk head wiry is earlier along each wire rings that circumferentially pierces into and pass outermost one circle on the intracanal scaffold wall successively of the end of intracanal scaffold wall, angledly pierces into and pass wire rings on the intracanal scaffold wall successively from the end of intracanal scaffold wall towards the axis of middle part direction and intracanal scaffold then.In the structure that tinsel on above-mentioned intracanal scaffold wall distributes, silk head wiry can also be more circumferentially pierces into and passes wire rings on the intracanal scaffold wall successively along the intracanal scaffold wall.
In the structure that tinsel on the third intracanal scaffold wall of the present utility model distributes, silk head wiry is earlier along each wire rings that circumferentially pierces into and pass outermost one circle on the intracanal scaffold wall successively of the end of intracanal scaffold wall, and then along the wire rings that circumferentially pierces into and pass the outer ring on the intracanal scaffold wall successively of the end of intracanal scaffold wall.In the structure that tinsel on above-mentioned intracanal scaffold wall distributes, silk head wiry can also pierce into and pass other wire rings on the intracanal scaffold wall again.
Use way of example below, state most preferred embodiment of the present utility model in conjunction with the accompanying drawings, scope of the present utility model will be pointed out in the claims.Will be appreciated that some or all accompanying drawing all is for the explanation sketch of most preferred embodiment of the present utility model is described, and the full-size(d) of parts shown in not depicting.With reference to being described in detail of most preferred embodiment, understand with will be more readily apparent from reach this utility model above-mentioned with other the purpose and the practical ways of advantage.
Fig. 1 is the local appearance figure of first embodiment of the structure that distributes of the tinsel of expression intracanal scaffold of the present utility model;
Fig. 2 is the local appearance figure of second embodiment of the structure that distributes of the tinsel of expression intracanal scaffold of the present utility model;
Fig. 3 is the local appearance figure of the 3rd embodiment of the structure that distributes of the tinsel of expression intracanal scaffold of the present utility model;
Fig. 4 is the local appearance figure of the 4th embodiment of the structure that distributes of the tinsel of expression intracanal scaffold of the present utility model;
Fig. 5 is the local appearance figure of the 5th embodiment of the structure that distributes of the tinsel of expression intracanal scaffold of the present utility model.
As shown in Figure 1, in first embodiment of the structure that the tinsel 2 of intracanal scaffold 1 of the present utility model distributes, tinsel 2 along the circumferential helical coil of intracanal scaffold 1 around, and two adjacent rings 3 and 4 in wave shape interlocking successively form wire rings 5.Above-mentioned wire rings 5 is formed intracanal scaffold wall 6.Chlamydate thin film 7 and 8 on the ectonexine tube wall of intracanal scaffold 1.The silk of tinsel 29 elder generation are along each wire rings 11 that circumferentially pierces into and pass outermost one circle on the intracanal scaffold wall 6 successively of the end 10 of intracanal scaffold wall 6, pierce into and pass wire rings 14 on the intracanal scaffold wall 6 abreast successively from the end 10 of intracanal scaffold wall 6 towards the axis 13 of middle part 12 directions and intracanal scaffold 1 then, circumferentially pierce into and pass wire rings 15 on the intracanal scaffold wall 6 successively along intracanal scaffold wall 6 again. Thin film 7 and 8 is sealed the silk of the tinsel 2 in the intracanal scaffold wall 69.
As shown in Figure 2, in second embodiment of the structure that the tinsel 17 of intracanal scaffold 16 of the present utility model distributes, tinsel 17 along the circumferential helical coil of intracanal scaffold 16 around, and two adjacent rings 18 and 19 in wave shape interlocking successively form wire rings 20.Above-mentioned wire rings 20 is formed intracanal scaffold wall 21.Chlamydate thin film 22 and 23 on the ectonexine tube wall of intracanal scaffold 16.The silk of tinsel 17 24 elder generation are along each wire rings 26 that circumferentially pierces into and pass outermost one circle on the intracanal scaffold wall 21 successively of the end 25 of intracanal scaffold wall 21, pierce into and pass wire rings 29 on the intracanal scaffold wall 21 abreast successively from the end 25 of intracanal scaffold wall 21 towards the axis 28 of middle part 27 directions and intracanal scaffold 16 then, pierce into and pass the wire rings 30 on the intracanal scaffold wall 21 again towards the axis 28 angled ground of middle part 27 directions of intracanal scaffold wall 21 and intracanal scaffold 16 successively. Thin film 22 and 23 is sealed the silk of the tinsel 17 in the intracanal scaffold wall 21 24.
As shown in Figure 3, in the 3rd embodiment of the structure that the tinsel 32 of intracanal scaffold 31 of the present utility model distributes, tinsel 32 along the circumferential helical coil of intracanal scaffold 31 around, and two adjacent rings 33 and 34 in wave shape interlocking successively form wire rings 35.Above-mentioned wire rings 35 is formed intracanal scaffold wall 36.Chlamydate thin film 37 and 38 on the ectonexine tube wall of intracanal scaffold 31.The silk 39 of tinsel 32 is earlier along each wire rings 41 that circumferentially pierces into and pass outermost one circle on the intracanal scaffold wall 36 successively of the end 40 of intracanal scaffold wall 36, pierces into and pass angledly wire rings 44 on the intracanal scaffold wall 36 successively from the end 40 of intracanal scaffold wall 36 towards the axis 43 of middle part 42 directions and intracanal scaffold 31 then.Thin film 37 and 38 is sealed the silk of the tinsel 32 in the intracanal scaffold wall 36 39.
As shown in Figure 4, in the 4th embodiment of the structure that the tinsel 46 of intracanal scaffold 45 of the present utility model distributes, tinsel 46 along the circumferential helical coil of intracanal scaffold 45 around, and two adjacent rings 47 and 48 in wave shape interlocking successively form wire rings 49.Above-mentioned wire rings 49 is formed intracanal scaffold wall 50.Chlamydate thin film 51 and 52 on the ectonexine tube wall of intracanal scaffold 45.The silk of tinsel 46 53 elder generation are along each wire rings 55 that circumferentially pierces into and pass outermost one circle on the intracanal scaffold wall 50 successively of the end 54 of intracanal scaffold wall 50, pierce into and pass the wire rings 58 on the intracanal scaffold wall 50 then from the end 54 of intracanal scaffold wall 50 towards the axis 57 angled ground of middle part 56 directions and intracanal scaffold 45 successively, circumferentially pierce into and pass wire rings 59 on the intracanal scaffold wall 50 successively along intracanal scaffold wall 50 again. Thin film 51 and 52 is sealed the silk of the tinsel 46 in the intracanal scaffold wall 50 53.
As shown in Figure 5, in the 5th embodiment of the structure that the tinsel 61 of intracanal scaffold 60 of the present utility model distributes, tinsel 61 along the circumferential helical coil of intracanal scaffold 60 around, and two adjacent rings 62 and 63 in wave shape interlocking successively form wire rings 64.Above-mentioned wire rings 64 is formed intracanal scaffold wall 65.Chlamydate thin film 66 and 67 on the ectonexine tube wall of intracanal scaffold 60.The silk of tinsel 61 68 elder generation are along each wire rings 70 that circumferentially pierces into and pass outermost one circle on the intracanal scaffold wall 65 successively of the end 69 of intracanal scaffold wall 65, and then, pierce into and pass other wire rings 72 on the intracanal scaffold wall 65 again along the wire rings 71 that circumferentially pierces into and pass the outer ring on the intracanal scaffold wall 65 successively of the end 69 of intracanal scaffold wall 65. Thin film 66 and 67 is sealed the silk of the tinsel 61 in the intracanal scaffold wall 65 68.
According to above-mentioned detailed introduction as can be known, intracanal scaffold of the present utility model has following characteristics: because the silk head wiry of intracanal scaffold enrolls in the intracanal scaffold, neither need weld fixing, do not need to be adhesively fixed again with the end of thin film at the intracanal scaffold wall.Therefore carried in organ lumen when mobile by conduit or be implanted to that narrow organ lumen place shrinks with organ and during diastole when intracanal scaffold, not only can prevent the intracanal scaffold scratch and crush the organ lumen tissue, but also can prevent that intracanal scaffold is shifted.
So as can be seen, the above-mentioned target of stating comprises by front those shown targets of explanation having been reached effectively.Described here only is the typical best form of implementation of this utility model application, can do some to said structure and change also without prejudice to spirit and scope of the present utility model.This utility model does not limit to or is placed restrictions on the detail of being stated in here, and state in should qualification as claim to keep affiliated field secondary technology personnel be conspicuous any improvement or remodeling.
Claims (10)
1, a kind of intracanal scaffold, above-mentioned intracanal scaffold contains tinsel, above-mentioned tinsel along the circumferential helical coil of above-mentioned intracanal scaffold around, and the wire rings on the two adjacent rings above-mentioned intracanal scaffold wall of formation that interlocks successively in wave shape, above-mentioned wire rings is formed the wall of above-mentioned intracanal scaffold, and there is a head above-mentioned end wiry;
It is characterized in that: in the structure that the above-mentioned tinsel on above-mentioned intracanal scaffold wall distributes, above-mentioned silk head wiry is earlier along each wire rings that circumferentially pierces into and pass outermost one circle on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall, angledly pierces into and pass wire rings on the above-mentioned intracanal scaffold wall successively from the end of above-mentioned intracanal scaffold wall towards the axis of middle part direction and above-mentioned intracanal scaffold then.
2, intracanal scaffold according to claim 1, it is characterized in that, in the structure that above-mentioned tinsel on above-mentioned intracanal scaffold wall distributes, above-mentioned wiry head elder generation is along each wire rings that circumferentially pierces into and pass outermost one circle on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall, angledly pierce into and pass wire rings on the above-mentioned intracanal scaffold wall successively from the end of above-mentioned intracanal scaffold wall towards the axis of middle part direction and above-mentioned intracanal scaffold then, circumferentially pierce into and pass wire rings on the above-mentioned intracanal scaffold wall successively along above-mentioned intracanal scaffold wall again.
3, intracanal scaffold according to claim 1 is characterized in that, chlamydate thin film on the tube wall of above-mentioned intracanal scaffold, and above-mentioned thin film is sealed the free-end wiry on the above-mentioned intracanal scaffold wall.
4, a kind of intracanal scaffold, above-mentioned intracanal scaffold contains tinsel, above-mentioned tinsel along the circumferential helical coil of above-mentioned intracanal scaffold around, and the wire rings on the two adjacent rings above-mentioned intracanal scaffold wall of formation that interlocks successively in wave shape, above-mentioned wire rings is formed the wall of above-mentioned intracanal scaffold, and there is a head above-mentioned end wiry;
It is characterized in that: in the structure that the above-mentioned tinsel on above-mentioned intracanal scaffold wall distributes, above-mentioned silk head wiry is earlier along each wire rings that circumferentially pierces into and pass outermost one circle on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall, and then along the wire rings that circumferentially pierces into and pass the outer ring on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall.
5, intracanal scaffold according to claim 4, it is characterized in that, in the structure that above-mentioned tinsel on above-mentioned intracanal scaffold wall distributes, above-mentioned wiry head elder generation is along each wire rings that circumferentially pierces into and pass outermost one circle on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall, again along the end of above-mentioned intracanal scaffold wall circumferentially pierce into and pass the wire rings of the outer ring on the above-mentioned intracanal scaffold wall successively, and then pierce into and pass other wire rings on the above-mentioned intracanal scaffold wall.
6, intracanal scaffold according to claim 4 is characterized in that, chlamydate thin film on the tube wall of above-mentioned intracanal scaffold, and above-mentioned thin film is sealed the free-end wiry on the above-mentioned intracanal scaffold wall.
7, a kind of intracanal scaffold, above-mentioned intracanal scaffold contains tinsel, above-mentioned tinsel along the circumferential helical coil of above-mentioned intracanal scaffold around, and the wire rings on the two adjacent rings above-mentioned intracanal scaffold wall of formation that interlocks successively in wave shape, above-mentioned wire rings is formed the wall of above-mentioned intracanal scaffold, and there is a head above-mentioned end wiry;
It is characterized in that: in the structure that the above-mentioned tinsel on above-mentioned intracanal scaffold wall distributes, above-mentioned silk head wiry is earlier along each wire rings that circumferentially pierces into and pass outermost one circle on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall, pierces into and pass wire rings on the above-mentioned intracanal scaffold wall abreast successively from the end of above-mentioned intracanal scaffold wall towards the axis of middle part direction and above-mentioned intracanal scaffold then.
8, intracanal scaffold according to claim 7, it is characterized in that, in the structure that above-mentioned tinsel on above-mentioned intracanal scaffold wall distributes, above-mentioned wiry head elder generation is along each wire rings that circumferentially pierces into and pass outermost one circle on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall, pierce into and pass wire rings on the above-mentioned intracanal scaffold wall abreast successively from the end of above-mentioned intracanal scaffold wall towards the axis of middle part direction and above-mentioned intracanal scaffold then, circumferentially pierce into and pass wire rings on the above-mentioned intracanal scaffold wall successively along above-mentioned intracanal scaffold wall again.
9, intracanal scaffold according to claim 7, it is characterized in that, in the structure that above-mentioned tinsel on above-mentioned intracanal scaffold wall distributes, above-mentioned wiry head elder generation is along each wire rings that circumferentially pierces into and pass outermost one circle on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall, pierce into and pass wire rings on the above-mentioned intracanal scaffold wall abreast successively from the end of above-mentioned intracanal scaffold wall towards the axis of middle part direction and above-mentioned intracanal scaffold then, angledly pierce into and pass wire rings on the above-mentioned intracanal scaffold wall successively towards the axis of the middle part direction of above-mentioned intracanal scaffold wall and above-mentioned intracanal scaffold again.
10, intracanal scaffold according to claim 7, it is characterized in that, in the structure that above-mentioned tinsel on above-mentioned intracanal scaffold wall distributes, above-mentioned wiry head elder generation is along each wire rings that circumferentially pierces into and pass outermost one circle on the above-mentioned intracanal scaffold wall successively of the end of above-mentioned intracanal scaffold wall, pierce into and pass wire rings on the above-mentioned intracanal scaffold wall abreast successively from the end of above-mentioned intracanal scaffold wall towards the axis of middle part direction and above-mentioned intracanal scaffold then, angledly pierce into and pass wire rings on the above-mentioned intracanal scaffold wall successively towards the axis of the middle part direction of above-mentioned intracanal scaffold wall and above-mentioned intracanal scaffold again, and then circumferentially pierce into and pass wire rings on the above-mentioned intracanal scaffold wall successively along above-mentioned intracanal scaffold wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228744 CN2605866Y (en) | 2003-02-11 | 2003-02-11 | Canal stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228744 CN2605866Y (en) | 2003-02-11 | 2003-02-11 | Canal stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2605866Y true CN2605866Y (en) | 2004-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03228744 Expired - Fee Related CN2605866Y (en) | 2003-02-11 | 2003-02-11 | Canal stent |
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| Country | Link |
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| CN (1) | CN2605866Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307547A (en) * | 2008-09-10 | 2012-01-04 | Ev3股份有限公司 | Stents and catheters having improved stent depoyment |
| CN112826632A (en) * | 2019-11-22 | 2021-05-25 | 先健科技(深圳)有限公司 | Covered stent |
| CN113599030A (en) * | 2021-08-12 | 2021-11-05 | 东华大学 | Self-anchoring esophagus support |
-
2003
- 2003-02-11 CN CN 03228744 patent/CN2605866Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307547A (en) * | 2008-09-10 | 2012-01-04 | Ev3股份有限公司 | Stents and catheters having improved stent depoyment |
| US10226370B2 (en) | 2008-09-10 | 2019-03-12 | Covidien Lp | Stents and catheters having improved stent deployment |
| CN112826632A (en) * | 2019-11-22 | 2021-05-25 | 先健科技(深圳)有限公司 | Covered stent |
| US11918452B2 (en) | 2019-11-22 | 2024-03-05 | Lifetech Scientific (Shenzhen) Co., Ltd. | Covered stent |
| CN113599030A (en) * | 2021-08-12 | 2021-11-05 | 东华大学 | Self-anchoring esophagus support |
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| CF01 | Termination of patent right due to non-payment of annual fee |