CN215273047U - Novel blood vessel anastomosis device - Google Patents

Abstract

The utility model provides a novel blood vessel anastomosis device, which comprises a first anastomosis part, an anastomosis nail and a second anastomosis part, wherein the first anastomosis part and the second anastomosis part are integrally annular, and a blood vessel channel for a blood vessel to pass through is arranged in the central area; the first anastomosis part comprises a propeller and a nail bin which are matched with each other, the nail bin comprises a first butt joint surface and a nail bin side wall, and a plurality of nail outlet openings are formed in the first butt joint surface. The utility model aims at providing a novel blood vessel anastomosis device which has simple structure, convenient operation, good blood vessel anastomosis effect and easy mastering; in the practical application process, the operation time for anastomosing the blood vessel can be effectively reduced, and the complications such as postoperative bleeding, blood vessel interface stenosis and the like can be reduced.

Description

Novel blood vessel anastomosis device

Technical Field

The utility model belongs to the field of medical equipment, especially, relate to a novel blood vessel coincide device.

Background

Organ transplantation is a complex operation of transplanting a healthy organ into a patient, with the aim of replacing the patient's organ that is disabled by disease. With the continuous improvement of organ transplantation operation technology and treatment level in operation period, the survival rate and the life quality of organ transplantation patients are obviously improved, and the organ transplantation technology becomes a recognized effective means for treating various end-stage organ diseases. In the liver transplantation operation, the most difficult and most technically demanding part of new liver implantation after diseased liver resection is used for repairing and reconstructing the superior vena cava and the inferior vena cava of the liver of a receptor, and has decisive significance for the success rate of the operation and the postoperative recovery. Because the receptor end side of the hepatic superior vena cava and the hepatic inferior vena cava is difficult to be left long and is easy to retract, the diameter of the blood vessel is different from 10 mm to 30mm, and the anastomosis of the existing instruments cannot be realized.

At present, the universal method in the world still adopts manual continuous eversion suture, due to the narrow space, the difficult operation and the time and labor consumption, the average blood vessel reconstruction needs 35 to 60 minutes, so that no liver stage is long in the operation, the influence on organs such as heart, lung, kidney and the like is great, the quality control is influenced by the doctor technology, and complications such as postoperative bleeding, narrow blood vessel interface and the like easily occur, so that an anastomosis instrument which is simple and convenient to operate and has low technical requirements on doctors is required in the market at present. .

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a novel blood vessel anastomosis device, which has a simple structure, is convenient to operate, has a good blood vessel anastomosis effect, and is easy to master; in the practical application process, the time for anastomosing the blood vessel can be effectively reduced, and the complication is reduced.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a novel blood vessel anastomosis device comprises a first anastomosis part, an anastomosis nail and a second anastomosis part, wherein the first anastomosis part and the second anastomosis part are integrally annular, and a blood vessel channel for a blood vessel to pass through is formed in the central area; the first anastomosis component comprises a propeller and a nail bin which are matched with each other, the nail bin comprises a first butt joint surface and a side wall of the nail bin, a plurality of nail outlet openings are formed in the first butt joint surface, and anastomosis nails are assembled in the nail outlet openings; the pusher comprises a pusher end face and a plurality of pushing columns arranged on the pusher end face, and the pushing columns are arranged in one-to-one correspondence with the nail outlet;

the second anastomosis part comprises a closer and a pressing ring which are matched with each other, the pressing ring comprises a second butt joint surface and a pressing ring side wall, and a plurality of pre-closing openings are formed in the second butt joint surface; the closer comprises a closer end face and a plurality of closing push posts arranged on the closer end face, and the closing push posts are arranged in one-to-one correspondence with the pre-closing openings;

the nail outlet and the pre-closing port are arranged in a one-to-one correspondence mode, and the first butt joint surface and the second butt joint surface are provided with blood vessel auxiliary hanging needles.

Furthermore, the end face of the propeller is formed by splicing two detachable semi-circular end faces.

Furthermore, the second butt joint surface is formed by splicing two detachable semi-circular end surfaces.

Furthermore, the end face of the closer is formed by splicing two detachable semi-circular end faces.

Further, the anastomosis nail comprises a nail rod and nail needles arranged at two ends of the nail rod, and the end surface of the push column 102 is abutted against the nail rod.

Furthermore, the pre-closing opening comprises a guide groove and a push column hole, the bottom surface of the guide groove is obliquely arranged, and the closed push column is assembled in the push column hole and can move along the inner side wall of the push column hole.

Furthermore, the auxiliary vascular hanging needle comprises a plurality of auxiliary vascular hanging needles which are uniformly arranged at intervals along the outer circumference of the vascular passage.

Furthermore, the staples comprise a plurality of staples which are annularly arranged along the outer circumference of the blood vessel channel in a staggered manner.

Furthermore, the anastomosis nail is made of magnesium alloy materials.

Furthermore, the anastomosis nail is made of a human body absorbable material.

Compared with the prior art, novel blood vessel coincide device have following advantage:

this kind of structure avoids the drawback of accurate counterpoint, it leads to unable accurate counterpoint anastomotic condition to alleviate to receive the space distance influence in the operation, the anastomotic nail structure can provide relative pressfitting distance adjustment to different thickness blood vessels and prevent that phenomenon such as blood leakage appears in the too tight necrosis of blood vessel pressfitting and the pressfitting of pressfitting pine, small itself, it is free from foreign object sensation after the implantation, the secondary damage who receives the external force influence is less relatively, can hang the needle fast and coincide and restore the blood flow fast to transplanting the internal organs, it has very showing effect to reduce the complication.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic structural view of a first anastomosis member according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a second anastomosis member 12 according to an embodiment of the present invention;

fig. 4 is a schematic view of a pre-closing port and a connection structure thereof according to an embodiment of the present invention;

fig. 5 is a schematic view of a staple structure according to an embodiment of the present invention.

Description of reference numerals:

1-a propeller; 2-nail bin; 3-pressing and closing a ring; 4-a closer; 5-auxiliary hanging needle for blood vessel; 6-anastomosis nails; 10-a first anastomosis member; 11-a vascular pathway; 12-a second anastomosis member; 101-propeller end face; 102-a push post; 103-cartridge side wall; 104-a first mating face; 105-a nail outlet; 106-a second mating face; 107-pressing the ring side wall; 108-pre-closing port; 109-closing the push column; 110-a closer end face; 111-nail stem; 112-nail pins; 113-a guideway; 114-push post hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 5, a novel blood vessel anastomosis device comprises a first anastomosis part 10, an anastomosis nail 6 and a second anastomosis part 12, wherein the first anastomosis part 10 and the second anastomosis part 12 are annular as a whole, and a blood vessel channel 11 for a blood vessel to pass through is formed in the central area; the first anastomosis component 10 comprises a pusher 1 and a nail bin 2 which are matched with each other, the nail bin 2 comprises a first butt joint surface 104 and a nail bin side wall 103, a plurality of nail outlet openings 105 are formed in the first butt joint surface 104, and anastomosis nails 6 are assembled in the nail outlet openings 105; the thruster 1 comprises a thruster end face 101 and a plurality of push posts 102 arranged on the thruster end face 101, wherein the push posts 102 are arranged in one-to-one correspondence with the nail outlet 105; the second anastomosis part 12 comprises a closer 4 and a pressing ring 3 which are matched with each other, the pressing ring 3 comprises a second butt joint surface 106 and a pressing ring side wall 107, and the second butt joint surface 106 is provided with a plurality of pre-closing openings 108; the closer 4 comprises a closer end face 110 and a plurality of closing push posts 109 arranged on the closer end face 110, and the closing push posts 109 are arranged corresponding to the pre-closing openings 108 one by one; the nail outlet 105 and the pre-closing port 108 are arranged in a one-to-one correspondence manner, and the blood vessel auxiliary hanging needles 5 are arranged on the first butt joint surface 104 and the second butt joint surface 106. The blood vessel anastomosis device is simple in structure, convenient and fast to operate, good in blood vessel anastomosis effect, capable of avoiding the defect of accurate alignment, and capable of relieving the condition that accurate alignment anastomosis cannot be achieved due to the influence of space distance in an operation; is beneficial to reducing the occurrence of postoperative bleeding, vascular stenosis and other complications.

The propeller end face 101 is formed by splicing two detachable semicircular end faces. The second abutting surface 106 is formed by splicing two detachable semi-circular end surfaces. The closer end face 110 is formed by splicing two detachable semi-circular end faces. The propeller 1, the pressing ring 3 and the closer 4 can be detached, and the separation and the dismantling are safer and quicker when the propeller is removed.

The staple 6 comprises a staple rod 111 and staple pins 112 arranged at two ends of the staple rod 111, and the end surface of the push column 102 is abutted against the staple rod 111. When the thruster 1 works, the end face of the push column 102 pushes the nail rod 111, and the installation of the anastomotic nails 6 is quicker and the positions are more accurate.

The pre-closing opening 108 comprises a guide groove 113 and a push column hole 114, the bottom surface of the guide groove 113 is obliquely arranged, and the closing push column 109 is assembled in the push column hole 114 and can move along the inner side wall of the push column hole 114. After the nail needle 112 is pre-closed by the guide groove 113, the closing push column 109 is used for closing the anastomosis nail, so that the operation is convenient and fast, and the blood vessel anastomosis effect is good.

The auxiliary vascular hanging needles 5 comprise a plurality of needles which are uniformly arranged at intervals along the outer circumference of the vascular passage 11. The staples 6 comprise a plurality of staples 6, and the plurality of staples 6 are annularly arranged along the outer circumference of the blood vessel channel 11 in a staggered manner. So that the anastomosis nail 6 can better close and clamp the blood vessel and further improve the anastomosis effect of the blood vessel.

The anastomosis nail 6 is made of magnesium alloy materials. The anastomosis nail 6 is made of a human body absorbable material. The anastomotic nail 6 can be gradually absorbed after the blood vessel is healed, so that the follow-up nail-removing operation is reduced, and the pain of a patient is reduced.

The use method of the novel blood vessel anastomosis device comprises the following steps:

firstly, connecting and butting blood vessels by using a first anastomosis part, wherein the blood vessels penetrate out of a blood vessel channel 11 of a nail bin 2 and a propeller 1; the blood vessel is everted and penetrated into an auxiliary hanging needle 5;

step two, connecting another butt-jointed blood vessel by using a second anastomosis part, wherein the blood vessel penetrates out of the blood vessel channel 11 of the pressing ring 3 and the closer 4; the blood vessel is everted and penetrated into an auxiliary hanging needle 5;

step three, closing the nail bin 2 and the pressing ring 3 to press and fix the everted blood vessels;

pressing the propeller 1 to enable the anastomosis nail 6 to penetrate through the blood vessel, and inserting the anastomosis nail into the pre-closing guide groove 113 of the pressing ring 3 to enable the anastomosis nail to reach a pre-deformation state;

step five, pressing the closer 4 to ensure that the anastomosis nail 6 completely closes and clamps the blood vessel;

after the blood vessel is closed, separating the nail bin and the propeller from the pressing ring and the closer, and confirming that the blood vessel is normally anastomosed;

step seven, the closer 4 is separated and taken down after exiting the pressing ring;

step eight, separating and taking down the pressing ring 3;

step nine, separating and taking down the propeller 1;

step ten, cutting off the nail bin 2 and completing anastomosis.

The novel vascular anastomosis device is applicable to the situation that the end side of a hepatic superior vena cava receptor is difficult to be kept long and is easy to retract, supports anastomosis operation of blood vessels with the diameter of 10-30 mm, replaces the universal manual continuous eversion suture method in the world at present, is particularly applicable to the situation of narrow space, is time-saving and labor-saving in operation, can support the average time required by blood vessel reconstruction for 35-60 minutes, solves the problem that the operation quality is greatly influenced by personal technologies of doctors, and is favorable for reducing complications such as postoperative bleeding and vascular stenosis.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A novel blood vessel anastomosis device is characterized in that: the anastomosis device comprises a first anastomosis part (10), anastomosis nails (6) and a second anastomosis part (12), wherein the first anastomosis part (10) and the second anastomosis part (12) are integrally annular, and a blood vessel channel (11) for a blood vessel to pass through is formed in the central area of the first anastomosis part and the second anastomosis part; the first anastomosis component (10) comprises a propeller (1) and a nail bin (2) which are matched with each other, the nail bin (2) comprises a first butt joint surface (104) and a nail bin side wall (103), a plurality of nail outlet openings (105) are formed in the first butt joint surface (104), and anastomosis nails (6) are assembled in the nail outlet openings (105); the propeller (1) comprises a propeller end face (101) and a plurality of push columns (102) arranged on the propeller end face (101), and the push columns (102) are arranged in one-to-one correspondence with the nail outlet openings (105);

the second anastomosis part (12) comprises a closer (4) and a pressing ring (3) which are matched with each other, the pressing ring (3) comprises a second butt joint surface (106) and a pressing ring side wall (107), and a plurality of pre-closing openings (108) are formed in the second butt joint surface (106); the closer (4) comprises a closer end face (110) and a plurality of closing push posts (109) arranged on the closer end face (110), wherein the closing push posts (109) are arranged corresponding to the pre-closing openings (108) one by one;

the nail outlet (105) and the pre-closing opening (108) are arranged in a one-to-one correspondence mode, and the first butt joint surface (104) and the second butt joint surface (106) are provided with auxiliary blood vessel hanging needles (5).

2. The new vascular anastomosis device according to claim 1, wherein: the propeller end face (101) is formed by splicing two detachable semi-circular end faces.

3. The new vascular anastomosis device according to claim 1, wherein: the second butt joint surface (106) is formed by splicing two detachable semi-circular end surfaces.

4. The new vascular anastomosis device according to claim 1, wherein: the end face (110) of the closer is formed by splicing two detachable semi-circular end faces.

5. The new vascular anastomosis device according to claim 1, wherein: the anastomosis nail (6) comprises a nail rod (111) and nail needles (112) arranged at two ends of the nail rod (111), and the end face of the push column (102) is mutually abutted to the nail rod (111).

6. The new vascular anastomosis device according to claim 1, wherein: the pre-closing opening (108) comprises a guide groove (113) and a push column hole (114), the bottom surface of the guide groove (113) is obliquely arranged, and the closing push column (109) is assembled in the push column hole (114) and can move along the inner side wall of the push column hole (114).

7. The new vascular anastomosis device according to claim 1, wherein: the auxiliary vascular hanging needles (5) comprise a plurality of needles which are uniformly distributed at intervals along the outer circumference of the vascular channel (11).

8. The new vascular anastomosis device according to claim 1, wherein: the anastomosis nail (6) comprises a plurality of anastomosis nails (6), and the anastomosis nails are annularly arranged along the outer circumference of the blood vessel channel (11) in a staggered manner.

9. The new vascular anastomosis device according to claim 1, wherein: the anastomosis nail (6) is made of magnesium alloy materials.

10. The new vascular anastomosis device according to claim 1, wherein: the anastomosis nail (6) is made of a human body absorbable material.

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