CN205198211U - Can be from fixed artificial blood vessel and conveying system thereof - Google Patents
Can be from fixed artificial blood vessel and conveying system thereof Download PDFInfo
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- CN205198211U CN205198211U CN201520915410.9U CN201520915410U CN205198211U CN 205198211 U CN205198211 U CN 205198211U CN 201520915410 U CN201520915410 U CN 201520915410U CN 205198211 U CN205198211 U CN 205198211U
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- blood vessel
- artificial blood
- hollow stent
- retaining
- self
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Abstract
The utility model provides a can be from fixed artificial blood vessel and conveying system thereof. Can be from fixed artificial blood vessel, including the artificial blood vessel body, its characterized in that, the at least one end of artificial blood vessel body connect the cavity support that has compression state and expansion state and can change between compression state and expansion state, ought cavity support when being in the expansion state, the cavity support can be fixed in the blood vessel in, work as cavity support when being fixed in in the blood vessel, the blood vessel be linked together with the artificial blood vessel body. The utility model discloses may not sew up and just can fix artificial blood vessel, avoid sewing up the protruding fold and the blood vessel that arouse and scarred, reduce the probability that the thrombus formed again.
Description
Technical field
This utility model relate to a kind of can the artificial blood vessel of self-retaining and induction system thereof, for needing the disease of carrying out reconstructing blood vessel, the series such as vascular graft treatment, bypass surgery, tetralogy of Fallot, coronary artery bypass grafting of such as artery of lower extremity bypass graft, arteriovenous fistula, main pulmonary artery bypass graft, trunk deformity needs artificial blood vessel to carry out the surgical application of blood circulation passage recombination to construct.
Background technology
Succeed in developing seamless artificial blood vessel the 1950's, and start clinical practice.It is the straight type artificial blood vessel that raw material is formed by injection molding that the sixties occurs with high molecular weight ptfe, and trade name is Cauer tank this (Core-Tex), has been widely used in clinical.With terylene or tower teflon for the artificial blood vessel that system knitted by raw material has the tube wall of fine hair shape.The type of artificial blood vessel has straight type, the bifurcation type of bifurcated and branched type etc., bore 3 ~ 24 millimeters.Bore be less than the patency rate of 4 millimeters too low be seldom applied to clinical.The artificial blood vessel of straight type is often applied to extremity, thoracic cavity or abdominal cavity, and bifurcation type makes aorta transplantation mostly, the main exchange being used as the aortic arch of heart of branched type.
Artificial blood vessel is mainly used in the disease of reconstructing blood vessel.The series such as vascular graft treatment, bypass surgery, tetralogy of Fallot of such as artery of lower extremity bypass graft, arteriovenous fistula, main pulmonary artery bypass graft, trunk deformity needs artificial blood vessel to carry out the surgical application of blood circulation passage recombination to construct.Namely blood vessel or the Vascular substitutes of patient itself is got, the far-end of artery stenosis and aorta are coupled together, blood is allowed to have mercy on focus (such as narrow) part, arrive the position of ischemia, improve myocardial blood supply, and then reach allevating angina pectoris symptom, improve cardiac function, improve the object of patients ' life quality and life-saving.Namely evade lesions position by building artificial blood vessel bridge, thus improve a kind of modus operandi of survival of patients condition.
As shown in Figure 5, existing Clinical Surgery uses vascular bypass artificial blood vessel two ends all to use the mode of stitching that blood vessel is connected with artificial blood vessel, the protruding fold that suture causes can cause the secondary of thrombosis to pile up, a kind of artificial blood vessel with fixture of this utility model design, stitching can not be carried out and just can fix artificial blood vessel, avoid and sew up the protruding fold that causes and blood vessel scabs, reduce the probability that thrombosis is formed again, there is great Clinical practice effect.
Summary of the invention
The purpose of this utility model is to provide a kind of artificial blood vessel with fixture and induction system thereof, stitching can not be carried out and just can fix artificial blood vessel, avoid and sew up the protruding fold that causes and blood vessel scabs, reduce the probability that thrombosis is formed again, there is great Clinical practice effect.
In order to achieve the above object, this utility model provide a kind of can the artificial blood vessel of self-retaining, comprise artificial blood vessel body, it is characterized in that, at least one end of described artificial blood vessel body connects and has compressive state and expansion state and the hollow stent can changed between compressive state and expansion state, when described hollow stent is in expansion state, described hollow stent can be fixed on Ink vessel transfusing, when described hollow stent is fixed on Ink vessel transfusing, described blood vessel is connected with artificial blood vessel body.
Preferably, the outside of described hollow stent is provided with at least one agnail.
Preferably, the outside of described hollow stent is provided with 2 prescriptions to relative agnail, and often group is provided with 3-6 agnail, and the peripheral direction along hollow stent is arranged.
Preferably, the head end of described hollow stent is hemispherical.
Preferably, the outside of described hollow stent is provided with at least one annulus.
This utility model additionally provide above-mentioned can the induction system of artificial blood vessel of self-retaining, it is characterized in that, comprise the sacculus of internal inflatable, when described sacculus is in unaerated state, what be in compressive state the hollow stent of artificial blood vessel of self-retaining can be fixed on the outside of described sacculus, described hollow stent under the effect of sacculus, can be transformed into expansion state by described compressive state.
Preferably, described sacculus connects can to the conduit of its inflation.
Preferably, the centre position of described artificial blood vessel body is connected with a blood vessel carrying path.
Compared with prior art, the beneficial effects of the utility model are:
1, this utility model can not carry out stitching and just can fix artificial blood vessel, avoids the protruding fold sewing up and cause and blood vessel scabs, and reduces the probability that thrombosis is formed again;
2, this utility model simple operation, especially for the thin vessels not easily sewed up, this utility model only needs release just can reach blood vessel and connect between two, makes to perform the operation convenient;
3, this utility model can avoid stitching thread to tear effect to blood vessel, less to injury of human;
4, this utility model operation needs working place little, does not even need surgery to open breast completely, for mini-invasive incision bypass surgery provides new possibility.
Accompanying drawing explanation
Fig. 1 be in embodiment 1 can the artificial blood vessel structural representation of self-retaining;
Fig. 2 be in embodiment 2 can the artificial blood vessel structural representation of self-retaining;
Fig. 3 be in embodiment 3 can the artificial blood vessel structural representation of self-retaining;
Fig. 4 is can the induction system schematic diagram of artificial blood vessel of self-retaining;
Fig. 5 is traditional clinical stitching blood vessel and the connection diagram of artificial blood vessel;
Fig. 6 be in embodiment 1 can the connection diagram of artificial blood vessel of self-retaining;
Fig. 7 be in embodiment 4 can the artificial blood vessel structural representation of self-retaining;
Fig. 8 be in embodiment 4 can self-retaining artificial blood vessel conveying schematic diagram;
Fig. 9 be in embodiment 4 can self-retaining artificial blood vessel expansion schematic diagram;
Figure 10 be in embodiment 4 can self-retaining artificial blood vessel release schematic diagram;
Figure 11 be in embodiment 4 can the artificial blood vessel ligation schematic diagram of self-retaining.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth this utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of this utility model.In addition should be understood that those skilled in the art can make various changes or modifications this utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read this utility model instruction.
Embodiment 1
As shown in Figure 1, a kind of can the artificial blood vessel of self-retaining, comprise artificial blood vessel body 7, one end of described artificial blood vessel body 7 connects and has compressive state and expansion state and the hollow stent 1 can changed between compressive state and expansion state, and described hollow stent 1 can by metal material as Nitinol, platinumiridio, rustless steel etc. be made.Described hollow stent 1 is connected with artificial blood vessel body 7 heat seal.When described hollow stent 1 is in expansion state, described hollow stent 1 can be fixed on Ink vessel transfusing, and when described hollow stent 1 is fixed on Ink vessel transfusing, described blood vessel is connected with artificial blood vessel body 7.
As shown in Figure 4, above-mentioned the induction system of artificial blood vessel of self-retaining can comprise the sacculus 5 of internal inflatable, described sacculus 5 connects to the conduit 6 of its inflation, can be sent to sacculus 5 and self-retaining artificial blood vessel and need graft position.When described sacculus 5 is in unaerated state, the hollow stent 1 being in compressive state can be fixed on the outside of described sacculus 5, and described hollow stent 1 under the effect of sacculus 5, can be transformed into expansion state by described compressive state.
As shown in Figure 4, during grafting blood vessel, first hollow stent 1 is compressed on sacculus 5, by sheath pipe or directly artificial blood vessel and sacculus 5 are delivered in the blood vessel that needs to be connected with artificial blood vessel, after arriving correct position, release sacculus 5, inflates sacculus 5, sacculus 5 is expanded, thus hollow stent 1 is expanded and blood vessel of fitting, reclaim sacculus 5, make the listless breath of sacculus 5, withdraw sacculus 5.As shown in Figure 6, blood vessel and artificial blood vessel body 7 are stablized by the mode that hollow stent 1 is fixing and to be seamlessly connected without cicatrix.
Embodiment 2
As shown in Figure 2, the structure of artificial blood vessel of self-retaining and using method can be similar to embodiment 1 in the present embodiment, difference is, the outside of described hollow stent 1 is provided with 2 prescriptions to relative agnail 2, often group is provided with 4 agnails, and the peripheral direction along hollow stent 1 is arranged.When hollow stent 1 discharge in vivo be in expansion state time, described agnail 2 is grabbed into vascular wall, avoids the movement of the related artificial blood vessel of hollow stent 1 position in the blood vessel.
Embodiment 3
As shown in Figure 3, the structure of artificial blood vessel of self-retaining and using method embodiment 1 can be similar in the present embodiment, difference is, the head end 3 of described hollow stent 1 is hemispherical, when the head end 3 of hollow stent 1 is squeezed, hemispherical NiTi alloy network can provide larger support force, thus the position of center rest; The outside of described hollow stent 1 is provided with the friction that 3 annulus 4 can strengthen support and blood vessel wall, avoids the movement of washing away the related artificial blood vessel of lower carriage at blood.
Embodiment 4
As shown in Figure 7, a kind of can the artificial blood vessel of self-retaining, comprise artificial blood vessel body 7, the two ends of described artificial blood vessel body 7 connect and have compressive state and expansion state and the hollow stent 1 can changed between compressive state and expansion state, and described hollow stent 1 can by metal material as Nitinol, platinumiridio, rustless steel etc. be made.Described hollow stent 1 is connected with artificial blood vessel body 7 heat seal.When described hollow stent 1 is in expansion state, described hollow stent 1 can be fixed on Ink vessel transfusing, and when described hollow stent 1 is fixed on Ink vessel transfusing, described blood vessel is connected with artificial blood vessel body 7.
As shown in Figure 4, above-mentioned the induction system of artificial blood vessel of self-retaining can comprise the sacculus 5 of internal inflatable, described sacculus 5 connects can to the conduit 6 of its inflation.When described sacculus 5 is in unaerated state, the hollow stent 1 being in compressive state can be fixed on the outside of described sacculus 5, and described hollow stent 1 under the effect of sacculus 5, can be transformed into expansion state by described compressive state.
Described artificial blood vessel body 7 centre position is connected with the blood vessel carrying path 8 of a cylinder short tube shape, and as shown in Figure 8, during conveying hollow stent 1, sacculus 5 intravascular carrying path 8 and hollow stent 1 are compressed together to deliver to treats vascular graft position.As shown in Figure 9, sacculus 5 is inflated, and hollow stent 1 is expanded, and hollow stent 1 is firmly connected with stabilization of vascular, and blood vessel carrying path 8 stitching thread or anastomat as shown in Figure 10, afterwards, are carried out ligation, as shown in figure 11 by bilateral hollow stent 1 expansion state.
Claims (8)
1. one kind can the artificial blood vessel of self-retaining, comprise artificial blood vessel body (7), it is characterized in that, at least one end of described artificial blood vessel body (7) connects and has compressive state and expansion state and the hollow stent (1) can changed between compressive state and expansion state, when described hollow stent (1) is in expansion state, described hollow stent (1) can be fixed on Ink vessel transfusing, when described hollow stent (1) is fixed on Ink vessel transfusing, described blood vessel is connected with artificial blood vessel body (7).
2. as claimed in claim 1 can the artificial blood vessel of self-retaining, it is characterized in that, the outside of described hollow stent (1) is provided with at least one agnail (2).
3. as claimed in claim 1 can the artificial blood vessel of self-retaining, it is characterized in that, the outside of described hollow stent (1) is provided with 2 prescriptions to relative agnail (2), and often group is provided with 3-6 agnail, and the peripheral direction along hollow stent (1) is arranged.
4. as claimed in claim 1 can the artificial blood vessel of self-retaining, it is characterized in that, the head end (3) of described hollow stent (1) is hemispherical.
5. as claimed in claim 1 can the artificial blood vessel of self-retaining, it is characterized in that, the outside of described hollow stent (1) is provided with at least one annulus (4).
6. according to any one of claim 1-5 can the induction system of artificial blood vessel of self-retaining, it is characterized in that, comprise the sacculus (5) of internal inflatable, when described sacculus (5) is in unaerated state, the hollow stent (1) of artificial blood vessel of self-retaining the outside of described sacculus (5) can be fixed on according to any one of the claim 1-5 being in compressive state, described hollow stent (1) under the effect of sacculus (5), can be transformed into expansion state by described compressive state.
7. as claimed in claim 6 can the induction system of artificial blood vessel of self-retaining, it is characterized in that, described sacculus (5) connects can to the conduit (6) of its inflation.
8. as claimed in claim 6 can the induction system of artificial blood vessel of self-retaining, it is characterized in that, the centre position of described artificial blood vessel body (7) is connected with a blood vessel carrying path (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520915410.9U CN205198211U (en) | 2015-11-17 | 2015-11-17 | Can be from fixed artificial blood vessel and conveying system thereof |
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| CN201520915410.9U CN205198211U (en) | 2015-11-17 | 2015-11-17 | Can be from fixed artificial blood vessel and conveying system thereof |
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| CN205198211U true CN205198211U (en) | 2016-05-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308863A (en) * | 2016-08-03 | 2017-01-11 | 胡锡祥 | Artificial blood vessel anastomosis system |
| CN107943126A (en) * | 2017-11-30 | 2018-04-20 | 吉林大学 | A kind of bionical vascular testing system adjusted based on air pressure transformer |
| CN113397761A (en) * | 2021-05-27 | 2021-09-17 | 华中科技大学同济医学院附属协和医院 | Suturing-free artificial blood vessel and conveying device thereof |
| CN117159219A (en) * | 2023-11-02 | 2023-12-05 | 北京华脉泰科医疗器械股份有限公司 | Vascular prosthesis, vascular prosthesis connecting device and vascular prosthesis connecting system |
-
2015
- 2015-11-17 CN CN201520915410.9U patent/CN205198211U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308863A (en) * | 2016-08-03 | 2017-01-11 | 胡锡祥 | Artificial blood vessel anastomosis system |
| CN106308863B (en) * | 2016-08-03 | 2018-11-30 | 胡锡祥 | Artificial blood vessel anastomosis system |
| CN107943126A (en) * | 2017-11-30 | 2018-04-20 | 吉林大学 | A kind of bionical vascular testing system adjusted based on air pressure transformer |
| CN113397761A (en) * | 2021-05-27 | 2021-09-17 | 华中科技大学同济医学院附属协和医院 | Suturing-free artificial blood vessel and conveying device thereof |
| CN117159219A (en) * | 2023-11-02 | 2023-12-05 | 北京华脉泰科医疗器械股份有限公司 | Vascular prosthesis, vascular prosthesis connecting device and vascular prosthesis connecting system |
| CN117159219B (en) * | 2023-11-02 | 2024-03-08 | 北京华脉泰科医疗器械股份有限公司 | Vascular prosthesis connection device and vascular prosthesis connection system |
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