CN203885666U - Artificial blood vessel for rebuilding portal vein system - Google Patents
Artificial blood vessel for rebuilding portal vein system Download PDFInfo
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- CN203885666U CN203885666U CN201420194162.9U CN201420194162U CN203885666U CN 203885666 U CN203885666 U CN 203885666U CN 201420194162 U CN201420194162 U CN 201420194162U CN 203885666 U CN203885666 U CN 203885666U
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Abstract
The utility model discloses an artificial blood vessel for rebuilding a portal vein system. The artificial blood vessel comprises a main blood vessel, a first branch blood vessel, a second branch blood vessel and a third branch blood vessel, wherein the first branch blood vessel and the upper section of the main blood vessel are connected in a T-shaped intercrossed way, the second branch blood vessel is located below the first branch blood vessel, and the second branch blood vessel and the main blood vessel are connected in a T-shaped intercrossed way or the second branch blood vessel and the first branch blood vessel are connected in a T-shaped intercrossed way, and the third branch blood vessel and the lower section of the main blood vessel are connected in a herringbone intercrossed way. When the tumor tissues of a pancreatic cancer invade the blood vessel of the portal vein system, a surgeon can directly cut out the invaded blood vessel, and then a cut portal vein section, a splenic vein section, a superior mesenteric vein section and an inferior mesenteric vein section are lapped again through the artificial blood vessel, therefore, the difficulty in operation and skill requirements of the surgeon can be reduced greatly, the tumor tissues can be cut out more thoroughly, and the better curative effect can be realized.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of artificial blood vessel.
Background technology
Portal system refers to the one group of vein blood vessel being connected between gastrointestinal tract and liver, Main Function is the nutrient substance of intestinal absorption to be transported to liver carry out biological utilisation, merged at the rear of head of pancreas and body of pancreas intersection by superior mesenteric vein and umbilical vein, main portal vein is divided into left and right portal vein and props up in the time entering liver.
Cancer of pancreas be a kind of common malignant tumor, it is infiltrative growth, easily invades portal vein or superior mesenteric vein.At present, be generally, by modus operandi, the tumor tissues of invading portal vein or superior mesenteric vein is excised to treat cancer of pancreas; But this operating difficulty is very large, higher to surgical technical requirement, and in operation, be difficult to completely that tumor tissues is complete and blood vessel exfoliation, and relapse rate is high, and success rate of operation is the end of compared with.
Along with the continuous progress of surgical technic, the operation kind that relates to portal vein operation increases considerably, the clinical practice of the artificial blood vessel of unitary type is part blood vessel resection hands art, great technical support is provided, but this line style artificial blood vessel also exists obvious self-defect, as a: when hilar cholangiocarcinoma is invaded portal vein furcation while needing row furcation resection, b: when carcinoma of head of pancreas is invaded portal vein and the splenic vein, need do associating portal vein, the splenic vein, when superior mesenteric vein resection, c: when portal vein after invasion in pancreatic carcinoma pancreas, superior mesenteric vein and near-end branch and the splenic vein, need do the reconstruction of appropriate section vessel resection time, because the blood vessel that needs are rebuild is more, now a line style artificial blood vessel is applied and is seemed convenient not in art, even can not complete operation by linear artificial blood vessel.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of artificial blood vessel of rebuilding for portal system, to solve the problem that cancer of pancreas operating difficulty is large, relapse rate is high.
The artificial blood vessel that this utility model is rebuild for portal system, comprise the main blood vessel of all-in-one-piece processed, the first branch vessel, the second branch vessel and the 3rd branch vessel, the T-shaped interconnection of epimere of described the first branch vessel and main blood vessel, described the second branch vessel is positioned at the below of the first branch vessel, and the second branch vessel becomes the interconnection of T shape with the T-shaped interconnection of main blood vessel or the second branch vessel with the first branch vessel, and described the 3rd branch vessel is herringbone interconnection with the hypomere of main blood vessel.
Further, described main blood vessel, the first branch vessel, the second branch vessel and the 3rd branch vessel are polyfluortetraethylene pipe, and have coating absorbed by the body on the inside pipe wall of described main blood vessel, the first branch vessel, the second branch vessel and the 3rd branch vessel.
Further, described coating is bone collagen fiber layer.
The beneficial effects of the utility model: the artificial blood vessel that this utility model is rebuild for portal system, in the time that pancreatic tumour tissue is invaded portal system blood vessel, surgeon can be directly by the vessel resection of being invaded, pass through again this artificial blood vessel by cut portal vein section, splenic vein section, superior mesenteric vein section and inferior mesenteric vein section overlap again, owing to adopting this artificial blood vessel can be directly tumor tissues and the blood vessel of being invaded together to be excised, therefore reduced greatly the operating difficulty of cancer of pancreas and to surgical technical ability requirement, tumor tissues excision is more thorough, curative effect is better.
Brief description of the drawings
Fig. 1 is the first structural representation of this utility model for the artificial blood vessel of portal system reconstruction;
Fig. 2 is the second structural representation of this utility model for the artificial blood vessel of portal system reconstruction;
Fig. 3 is the cutaway view along A-A in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described.
As shown in the figure, the artificial blood vessel that the present embodiment is rebuild for portal system, comprise the main blood vessel 1 of all-in-one-piece processed, the first branch vessel 2, the second branch vessel 3 and the 3rd branch vessel 4, the T-shaped interconnection of epimere of described the first branch vessel 2 and main blood vessel 1, described the second branch vessel 3 is positioned at the below of the first branch vessel 2, and the second branch vessel 3 becomes 2 T-shaped interconnections (as shown in Figure 1) with the first branch vessel, described the 3rd branch vessel 4 is herringbone interconnection with the hypomere of main blood vessel 1.
The present embodiment artificial blood vessel, be applicable to tumor and invade the situation that portal vein, the splenic vein, superior mesenteric vein and inferior mesenteric vein and the splenic vein and superior mesenteric vein are done altogether simultaneously, in operation process, doctor can directly excise the portal vein of being invaded by tumor tissues, the splenic vein, superior mesenteric vein and inferior mesenteric vein, then by main blood vessel 1 and portal vein overlap joint, by the first branch vessel 2 with splenic vein overlap joint, by the 3rd branch vessel with superior mesenteric vein overlap joint, by the 3rd branch vessel 4 with inferior mesenteric vein.Owing to directly tumor tissues and the blood vessel of being invaded together being excised, therefore reduce greatly the operating difficulty of cancer of pancreas and to surgical technical ability requirement, tumor tissues excision is more thorough, curative effect is better.
Certainly, in different embodiments, when patient's the splenic vein and superior mesenteric vein are branch's pattern, also can adopt the second branch vessel 3 as shown in Figure 2 with the T-shaped cross-coupled artificial blood vessel of the main blood vessel 1 of T.
As the improvement to this enforcement, described main blood vessel 1, the first branch vessel 2, the second branch vessel 3 and the 3rd branch vessel 4 are polyfluortetraethylene pipe, and polyfluortetraethylene pipe can keep its shape for a long time, can not inhale flatly, and smoothness is good; And there is coating 5 absorbed by the body on the inside pipe wall of described main blood vessel 1, the first branch vessel 2, the second branch vessel 3 and the 3rd branch vessel 4, in the present embodiment, described coating 5 is bone collagen fiber layer, certainly also can be made by other material absorbed by the body in coating 5 described in different embodiment, coating 5 can help human body on artificial blood vessel inwall, to form faster one deck tunica vasculose, is conducive to eliminate the problems such as thrombosis.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. the artificial blood vessel of rebuilding for portal system, it is characterized in that: comprise the main blood vessel of all-in-one-piece processed, the first branch vessel, the second branch vessel and the 3rd branch vessel, the T-shaped interconnection of epimere of described the first branch vessel and main blood vessel, described the second branch vessel is positioned at the below of the first branch vessel, and the second branch vessel becomes the interconnection of T shape with the T-shaped interconnection of main blood vessel or the second branch vessel with the first branch vessel, and described the 3rd branch vessel is herringbone interconnection with the hypomere of main blood vessel.
2. the artificial blood vessel of rebuilding for portal system according to claim 1, it is characterized in that: described main blood vessel, the first branch vessel, the second branch vessel and the 3rd branch vessel are polyfluortetraethylene pipe, and have coating absorbed by the body on the inside pipe wall of described main blood vessel, the first branch vessel, the second branch vessel and the 3rd branch vessel.
3. the artificial blood vessel of rebuilding for portal system according to claim 2, is characterized in that: described coating is bone collagen fiber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194162.9U CN203885666U (en) | 2014-04-21 | 2014-04-21 | Artificial blood vessel for rebuilding portal vein system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194162.9U CN203885666U (en) | 2014-04-21 | 2014-04-21 | Artificial blood vessel for rebuilding portal vein system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203885666U true CN203885666U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420194162.9U Expired - Fee Related CN203885666U (en) | 2014-04-21 | 2014-04-21 | Artificial blood vessel for rebuilding portal vein system |
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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 |
| CN108451667A (en) * | 2018-03-19 | 2018-08-28 | 新疆医科大学第附属医院 | Inferior caval vein artificial blood vessel after interim and substituted type liver |
| CN111772867A (en) * | 2020-08-12 | 2020-10-16 | 西安交通大学医学院第一附属医院 | Artificial blood vessel |
| RU2752512C1 (en) * | 2020-10-23 | 2021-07-28 | федеральное государственное бюджетное образовательное учреждение высшего образования «Приволжский исследовательский медицинский университет» Министерства здравоохранения Российской Федерации (ФГБОУ ВО "ПИМУ" Минздрава России) | Method for surgical treatment of malignant formations of head of pancreas with invasion of mesenteric-portal confluence in pancreatoduodenal resections |
-
2014
- 2014-04-21 CN CN201420194162.9U patent/CN203885666U/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| CN108451667A (en) * | 2018-03-19 | 2018-08-28 | 新疆医科大学第附属医院 | Inferior caval vein artificial blood vessel after interim and substituted type liver |
| CN111772867A (en) * | 2020-08-12 | 2020-10-16 | 西安交通大学医学院第一附属医院 | Artificial blood vessel |
| RU2752512C1 (en) * | 2020-10-23 | 2021-07-28 | федеральное государственное бюджетное образовательное учреждение высшего образования «Приволжский исследовательский медицинский университет» Министерства здравоохранения Российской Федерации (ФГБОУ ВО "ПИМУ" Минздрава России) | Method for surgical treatment of malignant formations of head of pancreas with invasion of mesenteric-portal confluence in pancreatoduodenal resections |
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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: 20141022 Termination date: 20180421 |