CN201361137Y - Improved structure of artificial blood vessel - Google Patents
Improved structure of artificial blood vessel Download PDFInfo
- Publication number
- CN201361137Y CN201361137Y CN 200920144842 CN200920144842U CN201361137Y CN 201361137 Y CN201361137 Y CN 201361137Y CN 200920144842 CN200920144842 CN 200920144842 CN 200920144842 U CN200920144842 U CN 200920144842U CN 201361137 Y CN201361137 Y CN 201361137Y
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- anastomotic
- blood vessel
- section
- segment
- artificial blood
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Abstract
An improved structure of an artificial blood vessel comprises an anastomotic arterial segment and an anastomotic venous segment, wherein one end of the anastomotic arterial segment is used for being connected with an artery of human body in an anastomotic manner; two ends of the anastomotic venous segment are used for being connected with a vein of human body with the mutual calibers in a relative end-to-end sewing manner, the other end of the anastomotic arterial segment is communicated with the anastomotic venous segment, and the joint between the anastomotic arterial segment and the anastomotic venous segment is provided with a smooth intumescent cuff part capable of avoiding thrombosis; the anastomotic arterial segment is longer than the anastomotic venous segment; and the anastomotic arterial segment as well as the anastomotic venous segment is of integrally formed structure. Therefore, the improved structure can effectively avoid thrombosis, effectively maintain the long-term smooth property of blood vessel and reduce the medical expenses deriving from relevant operations such as thrombectomy and the like.
Description
Technical field
This utility model is a kind of relevant for medical treatment device, refers to a kind of artificial blood vessel's structure-improved especially.
Background technology
Suitable many of the hemodialysis population of TaiWan, China, according to statistics, Taiwan male in 2005 population of dialysing has 19649 people, and the women has 22256 people.And the vascular access (arteriovenous fistula) of dialysis usefulness can be described as the whether effective lifeblood of kidney friend's dialysis treatment; wash kidney Fistula pipe operational function and want to keep normal, can support the effective blood dialysis treatment, if the dialysis vascular access does not look after, the complication that may differ in size not only, more likely can have influence on dialytic efficiency, even toxin accumulation life threatening, can not be careless.And dialysis vascular access artificial blood vessel is the most common clinically and complication that have the greatest impact is the narrow of blood vessel outlet and cause thromboembolism, therefore account for 80 percent, dialysis is with the narrow monitoring of artificial vascular access and treat the important topic that also just becomes relevant dialysis treatment.According to clinical criterion, the dialysis vascular access is just answered its pulsation of full and accurate attention at ordinary times, and blood flow trembles, and index such as blood flow and pressure during dialysis if abnormal situation is arranged, then should be done further to check and treatment.
See also Fig. 4 and shown in Figure 5, artificial blood vessel 70 commonly used roughly is strip, and artificial blood vessel's 70 a commonly used end matches with a tremulous pulse 80 of human body and is connected, and artificial blood vessel's 70 commonly used end in addition matches with a vein 90 of human body and is connected.But on clinical experience, artificial blood vessel 70 commonly used causes causing the narrow of blood vessel outlet easily, and then causes the formation of thrombosis 100 because its shape and constructional design are not good, and its reason has following points by analysis.The first is performed an operation and when coincideing the injury of blood vessel endothelium is brought out endotheliosis, the generation of hematoblastic coagulation and follow-up thrombosis 100.It two is to form the formation that eddy current causes thrombosis 100 in the anastomosis because of blood flow trembles.It three is because the artificial blood vessel 70 who implants is different with the soft durometer (compliance) of anastomosis blood vessel, causes that the anastomosis is narrow to cause thrombosis 100 generations.In addition, though artificial blood vessel's (not shown) that having in the market adds great achievement sleeve type endways with preferable hydrodynamics configuration to avoid the blood flow formation eddy current that trembles, but still need to hold the suture operation on opposite in the artificial blood vessel exit, the stitching on end opposite must be stitched more carefully than spininess, therefore can cause the problem of outlet contraction again, and the suture operation difficulty on end opposite is higher, operation is difficult for implementing, thus the artificial blood vessel that adds great achievement sleeve type of the end on the market still can't effectively solve outlet contraction pathogenesis with operating time various problems such as the long and difficult enforcement of operation.This shows that artificial blood vessel 70 commonly used still has many problems, necessity of improvement is arranged in fact.
Summary of the invention
This utility model purpose is, a kind of artificial blood vessel's structure-improved is provided, to solve aforesaid technical problem point, effectively keep the deutero-medical treatment wastes of related surgical institute such as the long-term unimpeded of blood vessel and minimizing thrombosis removing art, effectively reduce medical treatment cost, and can effectively reduce operating difficulty and reduce operating time, with the success rate of effective raising operation.
The technical characterstic of dealing with problems: a kind of artificial blood vessel's structure-improved is provided, it is characterized in that, comprising:
One artery segment that coincide, this arteriae anastomotica section have the end in order to match and to be connected with a tremulous pulse of human body; And,
One identical vein segment, this vein anastomosis section has in order to carry out the two ends that the relatively end-to-end stitching of bore each other is connected with a vein of human body; The end in addition of this arteriae anastomotica section is communicated in this vein anastomosis section, and this vein anastomosis section and this arteriae anastomotica section joint have in order to avoid the thrombotic one smooth-going cuff portion of expanding.
Wherein, this arteriae anastomotica section is longer than this vein anastomosis section.
Wherein, the structure that is formed in one of this arteriae anastomotica section and this vein anastomosis section.
Wherein, the roughly T-shaped shape of this artificial blood vessel's structure-improved.
Wherein, this arteriae anastomotica section and this vein anastomosis section intersect formation one acute side and an obtuse angle side, and this smooth-going cuff portion of expanding is adjacent to this obtuse angle side.
The effect of contrast prior art:
One, this utility model sees through the integrated three-dimensional configuration design to the artificial blood vessel, can effectively avoid the formation of thrombosis, effectively keeps the deutero-medical treatment wastes of related surgical institute such as the long-term unimpeded of blood vessel and minimizing thrombosis removing art, effectively reduces medical treatment cost.
Two, this utility model is that the relatively end-to-end stitching of bore is connected in order to carry out each other with a vein of human body through the two ends of this vein anastomosis section, can effectively reduce operating difficulty and reduce operating time, with the success rate of effective raising operation.
The technology that relevant this utility model adopted, means and effect thereof, lift a preferred embodiment now and cooperate graphic detailed description as after, believe the above-mentioned purpose of this utility model, structure and feature thereof, when can by one deeply and concrete understanding.
Description of drawings
Fig. 1: the three-dimensional appearance sketch map of this utility model possible embodiments.
Figure 1A: the local enlarged diagram of this utility model possible embodiments.
Fig. 2: the user mode sketch map of this utility model possible embodiments.
Fig. 3: the decomposing state sketch map of this utility model possible embodiments.
Fig. 4: artificial blood vessel's commonly used user mode sketch map.
Fig. 5: artificial blood vessel's commonly used thrombosis view.
The specific embodiment
See also Fig. 1, Figure 1A, Fig. 2, shown in Figure 3, this utility model provides a kind of artificial blood vessel's structure-improved, comprising: an identical artery segment 10 and an identical vein segment 20.Wherein, an end of this arteriae anastomotica section 10 is connected in order to match with a tremulous pulse 30 of human body; The relatively end-to-end stitching of bore is connected in order to carry out each other with a vein 40 of human body at the two ends of this vein anastomosis section 20, the end in addition of this arteriae anastomotica section 10 is communicated in this vein anastomosis section 20, and this vein anastomosis section 20 has with these arteriae anastomotica section 10 joints can avoid the thrombotic one smooth-going cuff portion 50 of expanding.
Wherein, this arteriae anastomotica section 10 is longer than this vein anastomosis section 20.
Wherein, the structure that is formed in one of this arteriae anastomotica section 10 and this vein anastomosis section 20.
Wherein, the roughly T-shaped shape of this artificial blood vessel's structure-improved.
Wherein, this arteriae anastomotica section 10 intersects formation one acute side and an obtuse angle side with this vein anastomosis section 20, and this smooth-going cuff portion 50 of expanding is adjacent to this obtuse angle side.
Sum up, at first, this utility model can effectively be avoided the formation of thrombosis by the configuration design to the artificial blood vessel, effectively keep the deutero-medical treatment wastes of related surgical institute such as the long-term unimpeded of blood vessel and minimizing thrombosis removing art, effectively reduce multiple efficacies such as medical treatment cost.In addition, the relatively end-to-end stitching of bore is connected in order to carry out each other with a vein of human body at the two ends of this utility model by this vein anastomosis section, can effectively reduce operating difficulty, reduces operating time and improve the multiple efficacies such as success rate of operation according to this.
Preamble system is that technical characterictic of the present utility model is specifically described at possible embodiments of the present utility model; The personage who is familiar with this technology is when can changing and revise this utility model not breaking away under spirit of the present utility model and the principle, and these changes and modification, all should be covered by in the category that the application's claim defined.
Claims (5)
1. an artificial blood vessel structure-improved is characterized in that, comprising:
One artery segment that coincide, this arteriae anastomotica section have the end in order to match and to be connected with a tremulous pulse of human body; And,
One identical vein segment, this vein anastomosis section has in order to carry out the two ends that the relatively end-to-end stitching of bore each other is connected with a vein of human body; The end in addition of this arteriae anastomotica section is communicated in this vein anastomosis section, and this vein anastomosis section and this arteriae anastomotica section joint have in order to avoid the thrombotic one smooth-going cuff portion of expanding.
2. artificial blood vessel's as claimed in claim 1 structure-improved is characterized in that, this arteriae anastomotica section is longer than this vein anastomosis section.
3. artificial blood vessel's as claimed in claim 1 structure-improved is characterized in that, the structure that this arteriae anastomotica section and this vein anastomosis section are formed in one.
4. artificial blood vessel's as claimed in claim 1 structure-improved is characterized in that, the roughly T-shaped shape of this artificial blood vessel's structure-improved.
5. artificial blood vessel's as claimed in claim 1 structure-improved is characterized in that, this arteriae anastomotica section and this vein anastomosis section intersect formation one acute side and an obtuse angle side, and this smooth-going cuff portion of expanding is adjacent to this obtuse angle side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920144842 CN201361137Y (en) | 2009-03-02 | 2009-03-02 | Improved structure of artificial blood vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920144842 CN201361137Y (en) | 2009-03-02 | 2009-03-02 | Improved structure of artificial blood vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201361137Y true CN201361137Y (en) | 2009-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920144842 Expired - Fee Related CN201361137Y (en) | 2009-03-02 | 2009-03-02 | Improved structure of artificial blood vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201361137Y (en) |
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2009
- 2009-03-02 CN CN 200920144842 patent/CN201361137Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20170302 |