CN215273045U - Vascular anastomosis device - Google Patents
Vascular anastomosis device Download PDFInfo
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- CN215273045U CN215273045U CN202120692085.XU CN202120692085U CN215273045U CN 215273045 U CN215273045 U CN 215273045U CN 202120692085 U CN202120692085 U CN 202120692085U CN 215273045 U CN215273045 U CN 215273045U
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Abstract
A blood vessel anastomosis device comprises anastomosis rings with blood vessel through holes, wherein blood vessel hanging needles are arranged on the anastomosis rings, the anastomosis rings are used in pairs, each anastomosis ring comprises a body, a blood vessel pressing ring, an outward-turning blood vessel placing groove and a locking device, and the blood vessel pressing ring and the locking device are respectively arranged on the body; the vascular compression ring is arranged on the inner side of the anastomosis ring, a plurality of hanging needle accommodating grooves are distributed on the outer side of the vascular compression ring, the radial section of the vascular compression ring and the vascular compression surface are both in a toothed ring structure, a vascular hanging needle is arranged on the vascular compression surface corresponding to the protruding part of the toothed ring, and the inner concave part of the toothed ring corresponds to the hanging needle accommodating grooves; the locking device positions and fixes the anastomosis ring, and the blood vessel hanging needle is inserted into the hanging needle accommodating groove on the opposite side; the blood vessel placing groove is arranged at the periphery of the blood vessel pressing ring. Locking device carries out the connection and the counterpoint of anastomotic ring, need not to hang the accurate counterpoint of needle through the blood vessel, and locking effect in the locking device use is more firm, reduces and struggles away the risk, has improved the security of using.
Description
Technical Field
The utility model relates to the technical field of medical equipment, a blood vessel anastomosis device specifically says so.
Background
Organ transplantation in medicine is a complex operation of transplanting a healthy organ into a patient, with the aim of replacing the organ of the patient 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 liver and kidney transplantation operations, the most difficult part for implanting a new visceral organ after the excision of the visceral organ and the highest technical requirement is used for repairing and reconstructing arteriovenous vessels on the viscera of a receptor, and the method has decisive significance for operation success rate and postoperative recovery. For example, the receptor end side of the superior vena cava and the inferior vena cava of the liver is difficult to be left long and 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, and due to the narrow space, the difficult operation, the time consumption and the 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 heart, lung and other organs is great, the quality control is influenced by the doctor technology, and postoperative bleeding, narrow blood vessel interface and other complications are easy to occur, so that an anastomosis instrument which is simple and convenient to operate and has low technical requirements on the doctor is required in the market at present.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a blood vessel anastomosis device.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be:
the utility model discloses a blood vessel anastomosis device, which comprises two anastomosis rings which are provided with blood vessel through holes and are used in pairs, wherein a blood vessel hanging needle is arranged on each anastomosis ring, each anastomosis ring comprises a body, a blood vessel pressing ring, an everting blood vessel placing groove and a locking device, and the blood vessel pressing ring and the locking device are respectively arranged on the body; the blood vessel pressing ring is arranged on the inner side of the anastomosis ring, a blood vessel pressing surface is formed on the top surface of the blood vessel pressing ring, the inner side of the blood vessel pressing ring corresponds to the blood vessel through hole, a plurality of hanging needle accommodating grooves are distributed on the outer side of the blood vessel pressing ring, the radial section of the blood vessel pressing ring and the blood vessel pressing surface are both in a tooth ring structure, the convex part and the concave part of the tooth ring are mutually distributed at intervals, blood vessel hanging needles are arranged on the blood vessel pressing surface corresponding to the convex part of the tooth ring, and the concave part of the tooth ring corresponds to the hanging needle accommodating grooves; the locking device positions, connects and fixes a pair of anastomosis rings in a binding belt connection mode, the blood vessel pressing surfaces of the two anastomosis rings are opposite, and the blood vessel hanging needles on any side are correspondingly inserted into the hanging needle accommodating grooves on the opposite side; the blood vessel placing groove is arranged at the periphery of the blood vessel pressing ring.
The utility model discloses can also adopt following technical measure:
the two anastomotic ring structures are completely the same.
The locking device comprises a plurality of locking wall plates, fastening belts and fastening lock catches, the locking wall plates are distributed in a circular ring shape, the fastening belts are arranged on the locking wall plates, and the fastening lock catches penetrating through the anastomosis ring body are arranged between the adjacent locking wall plates.
A plurality of oblique dentate bulges are arranged on the fastening belt.
An everting blood vessel placing groove is formed between the locking wall plate and the blood vessel pressing ring, the everting blood vessel placing groove and the locking wall plate are coaxially arranged between circles.
The convex part of the anastomosis ring body relative to the locking wall plate forms an auxiliary tool clamping platform.
The anastomosis ring is made of polylactic acid, and the blood vessel hanging needle is made of absorbable metal.
The utility model has the advantages and positive effects that:
the utility model discloses an among the blood vessel anastomosing device, adopt locking device to carry out the connection and the counterpoint of anastomosing ring, the hanging needle holding tank corresponds the blood vessel hanging needle and provides bigger accommodation space, need not to be counterpoint with the hanging needle holding tank accuracy through the blood vessel hanging needle, and locking effect in the locking device use is more firm, reduces and struggles away the risk, has improved the security of using. The operation does not need to use a suture, so that the vascular reconstruction speed is accelerated; the structure is simple, the operation is convenient, the vascular anastomosis effect is good, and the operation is easy to master; in the practical application process, the time for anastomosis of blood vessels and complications can be reduced to the maximum extent.
Drawings
Fig. 1 is a schematic structural view of an anastomosis ring of the vascular anastomosis device of the present invention;
fig. 2 is a schematic structural view of the vascular anastomosis device of the present invention.
Detailed Description
The technical solution of the present invention is explained in detail by the accompanying drawings and the specific embodiments.
As shown in fig. 1 to 2, the blood vessel anastomosis device of the present invention comprises an anastomosis ring 1 with a blood vessel through hole, wherein blood vessels at two ends respectively and correspondingly pass through corresponding anastomosis rings when performing blood vessel anastomosis, a blood vessel hanging needle 2 is arranged on the anastomosis ring, the blood vessel hanging needle is hung on an everted blood vessel wall, the anastomosis rings are used in pairs, the blood vessel at one end corresponds to one anastomosis ring, each anastomosis ring comprises a body 3, a blood vessel crimping ring 4 and a locking device, and the blood vessel crimping ring and the locking device are respectively arranged on the body; the vascular compression ring 4 is arranged on the inner side of the anastomosis ring, a vascular compression surface 5 is formed on the top surface of the vascular compression ring, the inner side of the vascular compression ring corresponds to a vascular through hole 6, a plurality of hanging needle accommodating grooves 7 are distributed on the outer side of the vascular compression ring, the radial section of the vascular compression ring and the vascular compression surface are both in a toothed ring structure, the convex parts and the concave parts of the toothed ring are distributed at intervals, the vascular hanging needles 2 are arranged on the vascular compression surface corresponding to the convex parts of the toothed ring, and the concave parts of the toothed ring correspond to the hanging needle accommodating grooves; the locking device positions, connects and fixes a pair of anastomosis rings, the blood vessel pressing surfaces of the two anastomosis rings are opposite, and the blood vessel hanging needles on any side are correspondingly inserted into the hanging needle accommodating grooves on the opposite side; the blood vessel placing groove 10 is arranged at the periphery of the blood vessel pressing ring, and the blood vessel which is turned outwards after passing through the anastomosis ring is placed in the blood vessel placing groove.
The two anastomosis ring structures used in pairs are completely the same, the two anastomosis rings have the same structure, the number of production dies is reduced, and the use is convenient.
The anastomosis ring is made of polylactic acid, the blood vessel hanging needle is made of absorbable metal materials such as magnesium alloy, the materials belong to mature technologies in the field, the anastomosis ring can be gradually absorbed by a human body in the using process, the anastomosis ring does not need to be operated again to be taken out, and therefore pain of a patient is relieved.
The locking device that the anastomosis closed the ring includes locking wallboard 11a, fastening area 11b and fastening hasp 11c, the locking wallboard is a plurality of and be the ring form and distribute, set up the fastening area on each locking wallboard, set up the fastening hasp that runs through the anastomosis ring body between the adjacent locking wallboard, arrange on the fastening area and set up a plurality of oblique dentate archs, the fastening hasp is spacing to each oblique dentate arch, oblique dentate arch corresponds to the outside direction of anastomosis ring, the fastening area drives fastening hasp deformation along the bellied inclined plane of oblique dentate when anastomosis ring moving direction passes offside fastening hasp, oblique dentate arch passes back fastening hasp and resets and carry on spacingly to oblique dentate arch, thereby can connect fixedly according to the anastomotic ring of in-service behavior to both sides.
An everting blood vessel placing groove 10 is formed between the locking wall plate and the blood vessel pressing ring, the everting blood vessel placing groove and the locking wall plate are coaxially arranged between circles.
The portion of the body of the anastomosis ring which is convex with respect to the locking wall forms an auxiliary tool abutment 12, which is gripped by an auxiliary tool to facilitate subsequent operations.
The application method comprises the following steps: clamping the auxiliary tool to the anastomosis ring through the auxiliary tool clamping table; after the blood vessel to be anastomosed passes through the anastomosis ring, the blood vessel to be anastomosed is turned outwards and evenly hung at the position of the blood vessel hanging needle; clamping the folded redundant blood vessels into an eversion blood vessel placing groove by using micro-forceps, and leveling the blood vessels contacted with the blood vessel pressing surface; repeating the above steps on the opposite side of the blood vessel; the fastening belts of the anastomosis rings on the two sides respectively correspond to the fastening buckles which penetrate through the opposite sides one by one, and the fastening belts penetrating through the anastomosis rings on the opposite sides are pulled by the operation forceps, so that the fastening belts are respectively clamped by the fastening buckles on the anastomosis rings on the opposite sides, and the blood vessels on the two sides are in tight butt joint.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiment, but the present invention is not limited to the above embodiments, and any skilled person in the art can make some changes or modifications without departing from the technical scope of the present invention, and the present invention will be equivalent to the present invention.
Claims (7)
1. The utility model provides a vascular anastomosis device, includes two anastomotic rings that have the blood vessel through-hole and pair the use, be provided with the blood vessel on the anastomotic ring and hang the needle, its characterized in that: each anastomosis ring comprises a body, a vascular pressing ring, an everting vascular placing groove and a locking device, wherein the vascular pressing ring and the locking device are respectively arranged on the body; the vascular pressure ring is arranged on the inner side of the anastomosis ring, a vascular pressure surface is formed on the top surface of the vascular pressure ring, the inner side of the vascular pressure ring corresponds to a vascular through hole, a plurality of hanging needle accommodating grooves are distributed on the outer side of the vascular pressure ring, the radial section of the vascular pressure ring and the vascular pressure surface are both in a toothed ring structure, the convex parts and the concave parts of the toothed ring are distributed at intervals, vascular hanging needles are arranged on the vascular pressure surface corresponding to the convex parts of the toothed ring, and the concave parts of the toothed ring correspond to the hanging needle accommodating grooves; the locking device positions, connects and fixes a pair of anastomosis rings in a binding belt connection mode, the blood vessel pressing surfaces of the two anastomosis rings are opposite, and the blood vessel hanging needles on any side are correspondingly inserted into the hanging needle accommodating grooves on the opposite side; the blood vessel placing groove is arranged at the periphery of the blood vessel pressing ring.
2. The vascular anastomosis device of claim 1, wherein: the two anastomosis rings have the same structure.
3. The vascular anastomosis device according to claim 1 or 2, wherein: the locking device comprises a plurality of locking wall plates, fastening belts and fastening lock catches, the locking wall plates are distributed in a circular ring shape, the fastening belts are arranged on the locking wall plates, and the fastening lock catches penetrating through the anastomosis ring body are arranged between the locking wall plates.
4. The vascular anastomosis device of claim 3, wherein: a plurality of oblique dentate bulges are arranged on the fastening belt.
5. The vascular anastomosis device of claim 3, wherein: the blood vessel pressing ring is arranged on the blood vessel pressing ring, the locking wall plate is arranged on the blood vessel pressing ring, and the blood vessel pressing ring, the blood vessel pressing ring and the blood vessel pressing ring are arranged on the blood vessel pressing ring.
6. The vascular anastomosis device of claim 5, wherein: the convex part of the anastomosis ring body relative to the locking wall plate forms an auxiliary tool clamping platform.
7. The vascular anastomosis device of claim 1, wherein: the anastomosis ring is made of polylactic acid material, and the blood vessel hanging needle is made of absorbable metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120692085.XU CN215273045U (en) | 2021-04-06 | 2021-04-06 | Vascular anastomosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120692085.XU CN215273045U (en) | 2021-04-06 | 2021-04-06 | Vascular anastomosis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215273045U true CN215273045U (en) | 2021-12-24 |
Family
ID=79535572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120692085.XU Active CN215273045U (en) | 2021-04-06 | 2021-04-06 | Vascular anastomosis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215273045U (en) |
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2021
- 2021-04-06 CN CN202120692085.XU patent/CN215273045U/en active Active
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