CN205054515U - Ductus arteriosus support - Google Patents
Ductus arteriosus support Download PDFInfo
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- CN205054515U CN205054515U CN201520486086.3U CN201520486086U CN205054515U CN 205054515 U CN205054515 U CN 205054515U CN 201520486086 U CN201520486086 U CN 201520486086U CN 205054515 U CN205054515 U CN 205054515U
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- support
- ductus arteriosus
- rack body
- position limiting
- limiting structure
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Abstract
The utility model provides a ductus arteriosus support, a serial communication port, including the support body, the both ends of support body are formed with limit structure. The utility model discloses a ductus arteriosus support is used for the patient of treatment ductus arteriosus dependence syndrome, and this support is in sending into the human body through the intervention mode, needn't carry out traditional chest treatment of opening, especially the patient that relies on of ductus arteriosus generally can not get the treatment in infancy and will die very fast. And to the infant, it is too obvious that thoracic surgical operation treatment advantage is opened to the intervention mode, and the operation security has obtained very big guarantee.
Description
Technical field
This utility model relates to a kind of making of ductus arteriosus support, is used for the treatment of Ductal dependence disease, belongs to congenital structural heart disease field.
Background technology
For part of arteries conduit dependent form children with congenital heart disease, as Severe Tetralogy of Fallot or tetralogy of Fallot companion pulmonary atresia, pole CPS, severe aortic stenosis, coarctation of aorta or interruption of aortic arch, completeness large artery trunks replaces, tricuspid atresia etc., ductus arteriosus is the unique channel ensureing that pulmonary circulation or body circulation blood flow or body-pulmonary circulation blood flow exchange, it is the basis that infant is depended on for existence, death will be caused once close, if it is open to maintain ductus arteriosus, Patients with Lung circulates low blood flow, low blood oxygen saturation, the situations such as cyanosis will be improved very well.
At present, the therapeutic scheme for this type of children with CHD is generally maintain ductus arteriosus with PGE1 to open, and accepts Palliative main pulmonary artery bypass afterwards as BT bypass or other type of surgery.But even if Palliative BT bypass, still may cause serious post-operative complication to neonate or under-weight infant, as chylothorax, diaphragm is benumbed, BT isocon is narrow.
Summary of the invention
The purpose of this utility model is a kind of ductus arteriosus support of exploitation, can send into human body, avoid surgery open chest surgery, thus reduce the generation of complication by the mode got involved.
In order to achieve the above object, this utility model provides a kind of ductus arteriosus support, it is characterized in that, comprises rack body, and the two ends of rack body are formed with position limiting structure.
Preferably, described rack body and position limiting structure are all cylindrical, and the bottom surface radius of the bottom surface radius ratio rack body of position limiting structure is large.
Preferably, described position limiting structure is the cross section of cylindrical, described rack body is circular, and sidewall is outwardly cambered surface, and the bottom surface radius of position limiting structure is greater than the radius of rack body cross section.
Preferably, the middle part of described rack body is provided with at least one first groove.
More preferably, the first described groove was around rack body one week.
Preferably, the end of described rack body is provided with at least one second groove, and the second described groove is located at the inner side of position limiting structure.
Preferably, the second described groove was around rack body one week.
Preferably, the position limiting structure clamping ring collar of described rack body one end, snare ring can clamp with conveying and be connected.
Preferably, described rack body and the outside of position limiting structure are coated with the medication coat suppressing endothelial cell growth.
Compared with prior art, the beneficial effects of the utility model are:
1, ductus arteriosus support of the present utility model is used for the treatment of the patient of Ductal dependence disease, this support sends in human body by intervening mode, need not carry out traditional opening breast treatment, especially the patient of Ductal dependence generally can not get treatment at preschool period will be very fast dead.And for infant, intervening mode comparatively open-chest surgery treatment advantage is too obvious, operation safety obtains very large guarantee.
2, ductus arteriosus Bracket setting limited location structure of the present utility model, can prevent support-moving, be beneficial to support and fix.
3, ductus arteriosus Bracket setting of the present utility model has the first groove and the second groove, can make support suitably flexible, distortion, support can be matched with ductus arteriosus better.
Accompanying drawing explanation
Fig. 1 is NiTi B alloy wire web frame schematic diagram;
Fig. 2 is the NiTi B alloy wire web frame schematic diagram closed up;
Fig. 3 is the ductus arteriosus supporting structure schematic diagram in embodiment 1;
Fig. 4 is the ductus arteriosus supporting structure schematic diagram in embodiment 2;
Fig. 5 is the ductus arteriosus supporting structure schematic diagram in embodiment 3;
Fig. 6 is the ductus arteriosus supporting structure schematic diagram in embodiment 4;
Fig. 7 is the ductus arteriosus support top view in embodiment 1;
Fig. 8 is that ductus arteriosus support in embodiment 4 is connected with snare ring schematic diagram;
Fig. 9 is that ductus arteriosus support in embodiment 4 is connected with snare ring top view;
Figure 10 is that ductus arteriosus support in embodiment 4 is connected with pushing pincers schematic diagram.
Detailed description of the invention
For making this utility model become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment 1
A kind of ductus arteriosus support, as shown in Figure 3, comprise rack body 1, the two ends of rack body 1 are formed with position limiting structure 2.As shown in Figure 7, described rack body 1 and position limiting structure 2 are all cylindrical, and the bottom surface radius of the bottom surface radius ratio rack body 1 of position limiting structure 2 is large.The position limiting structure 2 at two ends is positioned over initiatively lung side and pulmonary artery side respectively, can play fixing effect, prevent stent migration.Ductus arteriosus support of the present utility model adopts NiTi alloy material, and this material is widely used at medical field, has good biocompatibility, can implant into body.And it has unique super-elasticity, can carry out large deformation, support draws in the inner chamber of sheath pipe by the present invention, now large deformation occurs, and after arriving lesion locations, after releasing sheath pipe, support can return to the function of original state.
The preparation method of described ductus arteriosus support is:
The first step: woven on mould by NiTi B alloy wire and form NiTi alloy silk screen, as shown in Figure 1, carry out first time heat treatment, heat treatment temperature is 300-400 DEG C, and the time is 5-50min;
Second step: by NiTi alloy silk screen from after mould takes off, are closed up in two ends, as shown in Figure 2;
3rd step: loaded in shaper by the NiTi alloy silk screen keeping mouth well, carry out second time heat treatment, heat treatment temperature is 500-600 DEG C, and the time is 5-50min, obtains ductus arteriosus support as shown in Figure 3.
4th step: be connected with snare ring 5 by the position limiting structure 2 of one end of described ductus arteriosus support, snare ring 5 is connected for clamping with conveying.
5th step: spraying suppresses the drug rapamycin of endothelial cell growth, is formed with rapamycins coating in the outside of rack body 1 and position limiting structure 2.
During use, diagnosis, the ductus arteriosus of patient can not close, and after the width confirming ductus arteriosus through ultrasonic or radiography and length, selects qualified ductus arteriosus support.After setting up track from femoral vein, after being connected with pushing pincers by ductus arteriosus support, send into lesion locations by sheath pipe.By ductus arteriosus mount in lesion locations, and determine firmly, release, withdraws from pushing pincers.Withdraw from sheath pipe, by femoral vein incision wound dressing.
Embodiment 2
A kind of ductus arteriosus support, as shown in Figure 4, comprise rack body 1, the two ends of rack body 1 are formed with position limiting structure 2.Described rack body 1 and position limiting structure 2 are all cylindrical, and the bottom surface radius of the bottom surface radius ratio rack body 1 of position limiting structure 2 is large.The position limiting structure 2 at two ends is positioned over initiatively lung side and pulmonary artery side respectively, can play fixing effect, prevent stent migration.
The end of described rack body 1 is respectively provided with second groove 3, and the second described groove 3 is located at the inner side of position limiting structure 2.The second described groove 3 was around rack body 1 one weeks, and the second described groove 3, except playing except telescopic action, also can make position limiting structure 2 reverse certain angle relative to rack body 1.
The preparation method of the ductus arteriosus support of the present embodiment is similar to embodiment 1, and difference is only that shaper used is different.The using method of the ductus arteriosus support of the present embodiment is identical with embodiment 1.
Embodiment 3
A kind of ductus arteriosus support, as shown in Figure 5, comprise rack body 1, the two ends of rack body 1 are formed with position limiting structure 2.Described rack body 1 and position limiting structure 2 are all cylindrical, and the bottom surface radius of the bottom surface radius ratio rack body 1 of position limiting structure 2 is large.The position limiting structure 2 at two ends is positioned over initiatively lung side and pulmonary artery side respectively, can play fixing effect, prevent stent migration.
The middle part of described rack body 1 is provided with first groove 4.The first described groove 4 was around rack body 1 one weeks.Because the indefinite length of patent ductus arteriosus, this first embedded groove 4 can play flexible effect.
The end of described rack body 1 is respectively provided with second groove 3, and the second described groove 3 is located at the inner side of position limiting structure 2.The second described groove 3 was around rack body 1 one weeks, and the second described groove 3, except playing except telescopic action, also can make position limiting structure 2 reverse certain angle relative to rack body 1.
The preparation method of the ductus arteriosus support of the present embodiment is similar to embodiment 1, and difference is only that shaper used is different.The using method of the ductus arteriosus support of the present embodiment is identical with embodiment 1.
Embodiment 4
A kind of ductus arteriosus support, as shown in Figure 6, comprise rack body 1, the two ends of rack body 1 are formed with position limiting structure 2.Described position limiting structure 2 is the cross section of cylindrical, described rack body 1 is circular, and sidewall is outwardly cambered surface, and the bottom surface radius of position limiting structure 2 is greater than the radius of rack body 1 cross section.The position limiting structure 2 at two ends is positioned over initiatively lung side and pulmonary artery side respectively, can play fixing effect, prevent stent migration.
The middle part of described rack body 1 is provided with first groove 4.The first described groove 4 was around rack body 1 one weeks.Because the indefinite length of patent ductus arteriosus, this first embedded groove 4 can play flexible effect.
The end of described rack body 1 is respectively provided with second groove 3, and the second described groove 3 is located at the inner side of position limiting structure 2.The second described groove 3 was around rack body 1 one weeks, and the second described groove 3, except playing except telescopic action, also can make position limiting structure 2 reverse certain angle relative to rack body 1.
As shown in Figure 8 and Figure 9, the position limiting structure 2 clamping ring collar 5 of described rack body 1 one end, snare ring 5 can clamp with conveying and be connected.
The preparation method of the ductus arteriosus support of the present embodiment is similar to embodiment 1, and difference is only that shaper used is different.The using method of the ductus arteriosus support of the present embodiment is identical with embodiment 1, and ductus arteriosus support is connected as shown in Figure 10 with pushing pincers.
Claims (9)
1. a ductus arteriosus support, is characterized in that, comprises rack body (1), and the two ends of rack body (1) are formed with position limiting structure (2).
2. ductus arteriosus support as claimed in claim 1, it is characterized in that, described rack body (1) and position limiting structure (2) are all cylindrical, and the bottom surface radius of bottom surface radius ratio rack body (1) of position limiting structure (2) is large.
3. ductus arteriosus support as claimed in claim 1, it is characterized in that, described position limiting structure (2) is for cylindrical, the cross section of described rack body (1) is circular, sidewall is outwardly cambered surface, and the bottom surface radius of position limiting structure (2) is greater than the radius of rack body (1) cross section.
4. ductus arteriosus support as claimed in claim 1, it is characterized in that, the middle part of described rack body (1) is provided with at least one first groove (4).
5. ductus arteriosus support as claimed in claim 4, is characterized in that, described the first groove (4) was around rack body (1) a week.
6. ductus arteriosus support as claimed in claim 1, it is characterized in that, the end of described rack body (1) is provided with at least one second groove (3), and described the second groove (3) is located at the inner side of position limiting structure (2).
7. ductus arteriosus support as claimed in claim 6, is characterized in that, described the second groove (3) was around rack body (1) a week.
8. ductus arteriosus support as claimed in claim 1, is characterized in that, position limiting structure (2) the clamping ring collar (5) of described rack body (1) one end, and snare ring (5) can clamp with conveying and be connected.
9. ductus arteriosus support as claimed in claim 1, is characterized in that, described rack body (1) and the outside of position limiting structure (2) are coated with the medication coat suppressing endothelial cell growth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520486086.3U CN205054515U (en) | 2015-07-07 | 2015-07-07 | Ductus arteriosus support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520486086.3U CN205054515U (en) | 2015-07-07 | 2015-07-07 | Ductus arteriosus support |
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| Publication Number | Publication Date |
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| CN205054515U true CN205054515U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520486086.3U Active CN205054515U (en) | 2015-07-07 | 2015-07-07 | Ductus arteriosus support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109700579A (en) * | 2018-12-29 | 2019-05-03 | 先健科技(深圳)有限公司 | Self-expandable stent and support system |
-
2015
- 2015-07-07 CN CN201520486086.3U patent/CN205054515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109700579A (en) * | 2018-12-29 | 2019-05-03 | 先健科技(深圳)有限公司 | Self-expandable stent and support system |
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