KR-20260062511-A - Blood vessel reinforcement for blood vessel anastomosis and Stapler for blood vessel anastomosis

Abstract

The present invention provides a vascular anastomosis reinforcing member and a vascular anastomosis stapler, wherein, when anastomosis is performed between an aorta and an artificial blood vessel to replace a part of the aorta with an artificial blood vessel, reinforcing members are placed on the inner and outer sides of the end of the aorta to which the artificial blood vessel is anastomotically connected, thereby reinforcing the tissue of the aorta to maintain its shape and thereby facilitating anastomosis with the artificial blood vessel. The reinforcing member for reinforcing the blood vessel to be anastomotically connected comprises: a first reinforcing member formed in a shape corresponding to the inner shape of the blood vessel and placed on the inner side of the blood vessel; and a second reinforcing member formed in a shape corresponding to the outer shape of the blood vessel and placed on the outer side of the blood vessel.

Inventors

• 김희중

Assignees

• 고려대학교 산학협력단

Dates

Publication Date

20260507

Application Date

20241029

Claims (8)

1. As a reinforcing device for reinforcing anastomosis vessels, A first reinforcing member formed in a shape corresponding to the inner shape of the blood vessel and disposed on the inner side of the blood vessel; and A vascular reinforcement for vascular anastomosis comprising a second reinforcement member positioned on the outer side of the blood vessel and formed in a shape corresponding to the outer shape of the blood vessel.
2. In paragraph 1, The above-mentioned first reinforcing member and the above-mentioned second reinforcing member are, Vascular reinforcement for vascular anastomosis comprising a plurality of continuously connected unit reinforcements.
3. In paragraph 2, The above-mentioned first reinforcing member and the above-mentioned second reinforcing member are, Vascular reinforcement for vascular anastomosis comprising PTFE (Polytetrafluoroethylene) felt.
4. A stapler for fixing a vascular reinforcement device for vascular anastomosis described in any one of claims 1 to 3 to a blood vessel, A first operating rod inserted into the inner side of the blood vessel, with its end contacting the inner circumference of the first reinforcing member; A stapler for vascular anastomosis comprising a second operating rod that is hinge-connected to the first operating rod, is positioned outside the blood vessel, supports the second reinforcing member, and supplies a connecting means.
5. In paragraph 4, A first support piece disposed at the end of the first operating rod, corresponding to the inner circumference shape of the first reinforcing member, and having a bending groove formed therein, and A stapler for vascular anastomosis further comprising a second support piece disposed opposite to the first support piece at the end of the second operating rod.
6. In paragraph 4, The above connecting means is, A stapler for vascular anastomosis formed in the shape of '∩'.
7. In paragraph 6, The above connecting means is, A stapler for vascular anastomosis characterized by having both ends penetrating the first reinforcing member, the blood vessel, and the second reinforcing member, and fixing the first reinforcing member and the second reinforcing member to the blood vessel.
8. In paragraph 6, A stapler for vascular anastomosis having bending grooves formed on both sides of the upper surface of the first operating rod.

Description

Blood vessel reinforcement for blood vessel anastomosis and Stapler for blood vessel anastomosis The present invention relates to a vascular reinforcement device for vascular anastomosis and a stapler for vascular anastomosis, and more specifically, to a vascular reinforcement device for vascular anastomosis and a stapler for vascular anastomosis that reinforces the anastomosis site of the aorta so that the anastomosis between the aorta and the artificial blood vessel can be performed more stably. Vascular diseases (occlusion, enlargement) are on the rise due to a lack of exercise and the Westernization of dietary habits. Surgical methods are adopted to treat such occluded or nearly occluded blood vessels. The surgical method involves cutting out the problematic portion of the blood vessel and replacing the severed parts with artificial blood vessels. At this time, when there is a large portion of the blood vessel damaged, a method was disclosed in which an artificial blood vessel is placed in the severed portion of the blood vessel and the existing blood vessel is anastomosed with the artificial blood vessel. Figure 1 is a diagram showing the anastomosis of a conventional blood vessel and an artificial blood vessel. Referring to FIG. 1, it can be seen that after preparing an artificial blood vessel (2) to be anastomosed to the patient's aorta (1), the end of the artificial blood vessel (2) is brought into contact with the end of the aorta (1), and then anastomosis is performed using a suture (3). At this time, it can be seen that reinforcement is performed by placing a predetermined reinforcing piece (4) at each part where the suture (3) is connected in the aorta (1). In this case, when replacing a portion of the aorta with an artificial blood vessel, the aorta is already weakened, so even if a reinforcing piece is placed at the point where the suture is connected, placement is not easy, and bleeding or difficulties in anastomosis may occur. Published Patent No. 10-2019-0037566 may be cited as an example of prior art for the present invention. Figure 1 is a diagram showing the anastomosis of a conventional blood vessel and an artificial blood vessel. FIG. 2 is a drawing showing the arrangement of a vascular reinforcement for vascular anastomosis according to one embodiment of the present invention. FIG. 3 is a drawing showing an example of the configuration of a stapler for vascular anastomosis according to one embodiment of the present invention. FIG. 4 is a drawing showing the fixation of the first and second reinforcing members by a stapler for vascular anastomosis according to one embodiment of the present invention. FIG. 5 is a diagram showing the supply of a connection means by a stapler for vascular anastomosis according to one embodiment of the present invention. FIG. 6 is a drawing showing the bending of a connecting means supplied by a stapler for vascular anastomosis according to one embodiment of the present invention. Preferred embodiments according to the present invention will be described in detail below with reference to the attached drawings. FIG. 2 is a drawing showing the arrangement of a vascular reinforcement for vascular anastomosis according to one embodiment of the present invention. Referring to FIG. 2, a vascular reinforcement member (100) for vascular anastomosis according to one embodiment of the present invention includes a first reinforcement member (110) and a second reinforcement member (120). The first reinforcing member (110) may be formed by arranging a plurality of unit reinforcing members in a ring shape along the inner side of the end of the aorta. Here, the first reinforcing member (110) can be formed by being arranged in a shape corresponding to the inner shape and size of the end of the aorta to be anastomosed. The second reinforcing member (120) may be formed by arranging a plurality of unit reinforcing members in a ring shape along the outer side of the end of the aorta. The second reinforcing member (120) may be arranged on the outer side of the end of the aorta to be anastomosed. Here, the second reinforcing member (120) can be formed by being arranged in a shape corresponding to the outer shape and size of the end of the aorta to be anastomosed. Here, the first reinforcing member (110) and the second reinforcing member (120) may be positioned facing each other with the aorta in between at the end of the aorta to be anastomosed. That is, the first reinforcing member (110) may be formed by continuously arranging a plurality of first unit reinforcing members (112) formed in a predetermined arc shape, and the second reinforcing member (120) may be formed by continuously arranging second unit reinforcing members (122) formed in a predetermined arc shape. Here, the first reinforcing member (110) and the second reinforcing member (120) may be made of a sheet made of PTFE (Polytetrafluoroethylene). When anastomosing the aorta with the artificial blood vessel, the user