Artificial blood vessel with branches for aortic surgery

Abstract

The utility model provides an artificial blood vessel with branches for an aorta operation, which comprises a main blood vessel, a main branch artificial blood vessel arranged on the outer wall and communicated with the main blood vessel, and an output end of the main branch artificial blood vessel and an output end of the main branch artificial blood vessel are different in diameter. A first branch artificial blood vessel is arranged on the outer wall, and the first branch artificial blood vessel is communicated with the main branch artificial blood vessel; a second branch artificial blood vessel is arranged on the outer wall of the first branch artificial blood vessel, and the second branch artificial blood vessel is communicated with the first branch artificial blood vessel. Therefore, the artificial blood vessel with the branches for the aorta operation has the advantages that the artificial blood vessel with the branches for the aorta operation is reasonable in design, better in clinical use effect, more natural in shape, capable of effectively avoiding reduction of blood vessel smoothness caused by tortuosity and bending of the blood vessel, and better in outer wrapping effect so as to reduce operation difficulty.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of artificial blood vessel, especially relates to a take branch artificial blood vessel for aortic operation. BACKGROUND

[0002] Artificial blood vessel is a kind of artificial blood vessel, can be used as blood vessel substitute or support, for restoring blood flow, and maintaining the oxygen and nutrient supply of body tissue, artificial blood vessel is four branch artificial blood vessel for example.

[0003] The most commonly used in prior art is four branch artificial blood vessel structure performance needs to be promoted, for example, in the deformation and wrapping, deformation natural degree needs to be promoted to improve patency, on the basis of deformation, if bleeding amount is too much, wrapping difficulty is higher.

[0004] Therefore, in view of the above scheme in actual manufacture and implementation use's deficiency, and be revised, improved, and by the spirit and concept of seeking good, and the aid of professional knowledge, experience, and after many parties, trial and error, the utility model is created, and a kind of take branch artificial blood vessel for aortic operation is provided. INVENTION CONTENTS

[0005] The utility model provides a take branch artificial blood vessel for aortic operation, solve the problem in prior art.

[0006] The technical scheme of the utility model is realized as follows: a take branch artificial blood vessel for aortic operation, comprising:

[0007] Trunk blood vessel, outer wall is provided with main branch artificial blood vessel, the main branch artificial blood vessel is penetrated with trunk blood vessel, the output end of main branch artificial blood vessel and output end diameter are different;

[0008] Main branch artificial blood vessel, outer wall is provided with first branch artificial blood vessel, the first branch artificial blood vessel is penetrated with main branch artificial blood vessel;

[0009] First branch artificial blood vessel outer wall is provided with second branch artificial blood vessel, the second branch artificial blood vessel is penetrated with first branch artificial blood vessel.

[0010] As a kind of for aortic operation take branch artificial blood vessel preferred implementation, the diameter of trunk blood vessel is 22-30mm.

[0011] As a kind of for aortic operation take branch artificial blood vessel preferred implementation, the connecting angle of main branch artificial blood vessel and trunk blood vessel is 30 °, and the main branch artificial blood vessel is located in front of ascending aorta.

[0012] As a preferred embodiment of the branched artificial blood vessel for aortic surgery, the main branch artificial blood vessel has an input end at the connection end of the main trunk blood vessel and an output end at the other end, the diameter of the input end of the main branch artificial blood vessel is 12-14mm, and the diameter of the output end of the main branch artificial blood vessel is 10-12mm.

[0013] As a preferred embodiment of the branched artificial blood vessel for aortic surgery, the diameter of the first branch artificial blood vessel is 10mm.

[0014] As a preferred embodiment of the branched artificial blood vessel for aortic surgery, the diameter of the second branch artificial blood vessel is 8-10mm.

[0015] After the above technical scheme is adopted, the branched artificial blood vessel for aortic surgery has the advantages of reasonable design, better clinical use effect,

[0016] The branched artificial blood vessel is more natural in shape and can effectively avoid the reduction of blood vessel patency caused by the tortuous bending of the blood vessel, and has good wrapping effect, so as to reduce the difficulty of surgery. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Fig. 1 The whole structure of the branched artificial blood vessel for aortic surgery of the present application is shown in the figure.

[0019] Fig. 2 The positional relationship structure of the main branch artificial blood vessel and the branch artificial blood vessel of the present application is shown in the figure.

[0020] In the figure, 1 is a main trunk blood vessel, 2 is a main branch artificial blood vessel, 3 is a first branch artificial blood vessel, and 4 is a second branch artificial blood vessel. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] As Figs. 1-2 shown in the figure, a branched artificial blood vessel for aortic surgery comprises:

[0023] The main blood vessel 1 is provided with a main branch artificial blood vessel 2 on the outer wall, the main branch artificial blood vessel 2 is penetrated through the main blood vessel 1, and the output ends of the main branch artificial blood vessel 2 are different in diameter.

[0024] The main branch artificial blood vessel 2 is provided with a first branch artificial blood vessel 3 on the outer wall, and the first branch artificial blood vessel 3 is penetrated through the main branch artificial blood vessel 2.

[0025] The first branch artificial blood vessel 3 is provided with a second branch artificial blood vessel 4 on the outer wall, and the second branch artificial blood vessel 4 is penetrated through the first branch artificial blood vessel 3.

[0026] Further, the main blood vessel 1, the main branch artificial blood vessel 2, the first branch artificial blood vessel 3 and the second branch artificial blood vessel 4 form a four-branch artificial blood vessel, and the four-branch artificial blood vessel can be made of synthetic material or biodegradable material.

[0027] The diameter of the main blood vessel 1 is 22-30mm.

[0028] The connecting angle between the main branch artificial blood vessel 2 and the main blood vessel 1 is 30°, and the main branch artificial blood vessel 2 is located in front of the ascending aorta.

[0029] The connecting end of the main branch artificial blood vessel 2 and the main blood vessel 1 is the input end, and the other end is the output end, the diameter of the input end of the main branch artificial blood vessel 2 is 12-14mm, and the diameter of the output end of the main branch artificial blood vessel 2 is 10-12mm.

[0030] The diameter of the first branch artificial blood vessel 3 is 10mm.

[0031] The diameter of the second branch artificial blood vessel 4 is 8-10mm.

[0032] The branched artificial blood vessel for aortic surgery is more natural in shape, can effectively avoid the decrease of blood vessel patency caused by the tortuous bending of the blood vessel, and has good wrapping effect, so as to reduce the difficulty of surgery.

[0033] In the description of the utility model, need understanding is, the orientation or position relation that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element referred to must have a particular orientation, is constructed and operated in a particular orientation, therefore can not be understood as a restriction on the utility model. In the description of the utility model, unless otherwise specified and limited, it is necessary to explain that the terms "mounting", "connection", "connection" should be understood broadly, for example, can be mechanical connection or electrical connection, can be the communication of two elements inside, can be directly connected, also can be indirectly connected through intermediate medium, for the ordinary skill in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A branched artificial blood vessel for aortic surgery, characterized by, Comprising: The main blood vessels (1), the outer wall is provided with the main branch artificial blood vessel (2), the main branch artificial blood vessel (2) with main blood vessels (1) is through, the main branch artificial blood vessel (2) output end and output end diameter are different; The main branch artificial blood vessel (2) is provided with the first branch artificial blood vessel (3) on the outer wall, and the first branch artificial blood vessel (3) is through with the main branch artificial blood vessel (2); The first branch artificial blood vessel (3) is provided with the second branch artificial blood vessel (4) on the outer wall, and the second branch artificial blood vessel (4) is through with the first branch artificial blood vessel (3).

2. The branched artificial blood vessel for aortic surgery according to claim 1, wherein The main blood vessels (1) diameter is 22-30mm.

3. The branched artificial blood vessel for aortic surgery according to claim 1, wherein The main branch artificial blood vessel (2) and main blood vessels (1) connection angle is 30°, the main branch artificial blood vessel (2) is located in the ascending aorta front.

4. The branched artificial blood vessel for aortic surgery according to claim 1, wherein The main branch artificial blood vessel (2) and main blood vessels (1) connection end is input end, the other end is output end, the main branch artificial blood vessel (2) input end diameter is 12-14mm, the main branch artificial blood vessel (2) output end diameter is 10-12mm.

5. The branched artificial blood vessel for aortic surgery according to claim 1, wherein The first branch artificial blood vessel (3) diameter is 10mm.

6. The branched vascular graft for aortic surgery according to claim 1, wherein The second branch artificial blood vessel (4) diameter is 8-10mm.

Images