One-step vascular stapler

Abstract

The present invention relates to a one-step vascular anastomosis device, wherein a fixed rod is fixedly connected to a sliding guide rod, a mobile rod can be slidably mounted on the sliding guide rod, a first connecting rod and a second connecting rod fixed ends are respectively rotatably connected to the fixed rod, a first support rod lower end is rotatably connected to the mobile rod, a second support rod upper end is rotatably connected to the mobile rod, a first connecting rod is axially connected to the first support rod, a second connecting rod is axially connected to the second support rod, a first detachable first piercing needle and a second piercing needle are respectively arranged on opposite sides of the fixed rod and the mobile rod, the first piercing needle and the second piercing needle are arranged adjacent to each other and move relative to each other through the movement of the mobile rod, a third detachable piercing needle and a fourth piercing needle are respectively arranged adjacent to each other and move relative to each other through the rotation of the first connecting rod and the second connecting rod at opposite sides of the rotating circumference, the third piercing needle and the fourth piercing needle are arranged adjacent to each other and move relative to each other along the circumference through the rotation of the first connecting rod and the second connecting rod. The present invention can ensure the accuracy of vascular anastomosis, reduce the difficulty of surgical operation, and improve the efficiency of surgery.

Description

Technical Field

[0001] The invention belongs to the technical field of vascular anastomosis connection, and in particular relates to a one-step vascular anastomosis device. Background Art

[0002] The existing Ren anastomosis is a completely manual operation process, and the surgical steps generally include: preliminary preparations such as blood vessel exposure - trimming of the blood vessel section - 180° opening of the sheath end blood vessel - two-needle suturing of the opening side of the sheath end and the sheath end - two-needle self-suturing of the sheath end - post-operation.

[0003] In order to ensure better anastomosis effect, existing vascular anastomosis surgery requires high micro-operation precision, which also leads to a longer operation time. At the same time, it requires a longer training period for the surgeon before performing the operation. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a one-step vascular anastomosis device to ensure the accuracy of vascular anastomosis, reduce the difficulty of surgical operation, and improve surgical efficiency.

[0005] The technical solution adopted by the present invention to solve its technical problem is to provide a one-step vascular anastomosis device, including a vascular anastomosis mechanism that is symmetrical and linked on both sides, the vascular anastomosis mechanism including a fixed rod, a mobile rod, a sliding guide rod, a first connecting rod, a second connecting rod, a first supporting rod and a second supporting rod, the fixed rod is fixedly connected to the sliding guide rod, the mobile rod can be slidably installed on the sliding guide rod along the sliding guide rod and is parallel to the fixed rod, the fixed ends of the first connecting rod and the second connecting rod are respectively rotatably connected to the fixed rod, the lower end of the first supporting rod is rotatably connected to the mobile rod, the upper end of the second supporting rod is rotatably connected to the mobile rod, the first supporting rod is rotatably connected to the mobile rod, and the second supporting rod is rotatably connected to the mobile rod. The connecting rod is axially connected to the first support rod and performs two-link rotation through the movement of the moving rod. The second connecting rod is axially connected to the second support rod and performs two-link rotation through the movement of the moving rod. The opposite sides of the fixed rod and the moving rod are respectively provided with a detachable first threading needle and a second threading needle. The first threading needle and the second threading needle are arranged adjacent to each other and staggered, and perform relative movement through the movement of the moving rod. The opposite sides of the movable end of the first connecting rod and the movable end of the second connecting rod along the rotation circumference are respectively provided with a detachable third threading needle and a fourth threading needle. The third threading needle and the fourth threading needle are arranged adjacent to each other and staggered, and perform relative movement along the circumferential direction through the rotation of the first connecting rod and the second connecting rod.

[0006] A sliding control sleeve is slidably mounted on the sliding guide rod, and the moving rod is fixedly connected to the sliding control sleeve.

[0007] The fixed rod is rotatably mounted with a first rotating sleeve and a second rotating sleeve, the fixed end of the first connecting rod is fixedly connected to the first rotating sleeve, and the fixed end of the second connecting rod is fixedly connected to the second rotating sleeve.

[0008] The moving rod is rotatably mounted with a third rotating sleeve and a fourth rotating sleeve, the lower end of the first supporting rod is fixedly connected to the fourth rotating sleeve, and the upper end of the second supporting rod is fixedly connected to the third rotating sleeve.

[0009] A first threading needle mounting block and a second threading needle mounting block are respectively mounted on opposite sides of the fixed rod and the movable rod. The first threading needle mounting block is detachably mounted with a first threading needle, and the second threading needle mounting block is detachably mounted with a second threading needle.

[0010] The first threading needle installation block is provided with a threading needle insertion hole corresponding to the second threading needle, and the second threading needle installation block is provided with a threading needle insertion hole corresponding to the first threading needle.

[0011] A third threading needle mounting block is installed at the lower side of the movable end of the first connecting rod, and a fourth threading needle mounting block is installed at the upper side of the movable end of the second connecting rod. The third threading needle mounting block is detachably mounted with a third threading needle, and the fourth threading needle mounting block is detachably mounted with a fourth threading needle.

[0012] The third piercing needle installation block is provided with a piercing needle insertion hole corresponding to the fourth piercing needle, and the fourth piercing needle installation block is provided with a piercing needle insertion hole corresponding to the third piercing needle.

[0013] The sliding control sleeves or moving rods of the blood vessel anastomosis mechanisms at both sides are linked to each other.

[0014] The sliding guide rods of the vascular anastomosis mechanisms on both sides are arranged on the outer sides away from each other and connected to each other to form a whole. The first piercing needles of the vascular anastomosis mechanisms on both sides are arranged on the inner sides close to the fixed rods, and the second piercing needles are arranged on the inner sides close to the moving rods.

[0015] Beneficial Effects

[0016] The present invention can perform point-to-point anastomosis connection on the opposite sides of the outer sheath blood vessel and the inner sheath blood vessel to be anastomosed through the first and second piercing needles of the blood vessel anastomosis mechanism on both sides, and can perform point-to-point connection on the incisions on both sides of the outer sheath blood vessel through the third and fourth piercing needles of the blood vessel anastomosis mechanism on both sides. The position of each piercing needle is fixed, which can effectively ensure the accuracy of blood vessel anastomosis. Through the linkage of the blood vessel anastomosis mechanism on both sides, the anastomosis connection between the opposite sides of the inner and outer sheath blood vessels and the connection of the incisions on both sides of the outer sheath blood vessel can be synchronously completed, which is simple to operate, reduces the difficulty of surgical operation, and is conducive to improving surgical efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the present invention in a fully opened state (first viewing angle).

[0018] Figure 2 This is a schematic diagram of the structure of the present invention in a fully opened state (second viewing angle).

[0019] Figure 3 It is a structural schematic diagram of the present invention in a fully closed state. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the appended claims of the application equally.

[0021] like Figure 1-3 The one-step vascular anastomosis device shown comprises a vascular anastomosis mechanism that is symmetrically and linked to each other on both sides. The vascular anastomosis mechanism comprises a fixed rod 1, a movable rod 2, a sliding guide rod 4, a first connecting rod 9, a second connecting rod 10, a first supporting rod 11 and a second supporting rod 12.

[0022] The fixed rod 1 is fixedly connected to the sliding guide rod 4. The sliding guide rods 4 of the vascular anastomosis mechanisms on both sides are arranged on the outer sides away from each other and are connected to each other to form a whole. The sliding guide rod 4 is slidably mounted with a sliding control sleeve 3. The moving rod 2 is fixedly connected to the sliding control sleeve 3 and is parallel to the fixed rod 1. The moving rod 2 can slide along the sliding guide rod 4. A linkage connection structure (not shown in the figure) is provided between the sliding control sleeves 3 or the moving rods 2 of the vascular anastomosis mechanisms on both sides to realize the linkage of the vascular anastomosis mechanisms on both sides.

[0023] The fixed rod 1 is rotatably mounted with a first rotating sleeve 5 and a second rotating sleeve 6 side by side, the fixed end of the first connecting rod 9 is fixedly connected to the first rotating sleeve 5, and the fixed end of the second connecting rod 10 is fixedly connected to the second rotating sleeve 6. The mobile rod 2 is rotatably mounted with a third rotating sleeve 7 and a fourth rotating sleeve 8, the lower end of the first support rod 11 is fixedly connected to the fourth rotating sleeve 8, and the upper end of the second support rod 12 is fixedly connected to the third rotating sleeve 7. The first connecting rod 9 is axially connected to the first support rod 11, and the second connecting rod 10 is axially connected to the second supporting rod 12, and the second connecting rod 12 is moved to rotate.

[0024] The first piercing needle mounting block 13 and the second piercing needle mounting block 14 are respectively installed on the opposite sides of the fixed rod 1 and the moving rod 2. The first piercing needle mounting block 13 of the vascular anastomosis mechanism on both sides is arranged on the inner side close to the fixed rod 1, and the second piercing needle mounting block 14 is arranged on the inner side close to the moving rod 2. The first piercing needle mounting block 13 is detachably mounted with the first piercing needle 17, and the second piercing needle mounting block 14 is detachably mounted with the second piercing needle 18. The first piercing needle mounting block 13 is provided with a piercing needle insertion hole corresponding to the second piercing needle 18, and the second piercing needle mounting block 14 is provided with a piercing needle insertion hole corresponding to the first piercing needle 17. The first piercing needle 17 and the second piercing needle 18 are arranged adjacent to each other in relative position and move relative to each other through the movement of the moving rod 2.

[0025] A third threading needle mounting block 15 is installed on the lower side of the movable end of the first connecting rod 9, and a fourth threading needle mounting block 16 is installed on the upper side of the movable end of the second connecting rod 10. The third threading needle mounting block 15 and the fourth threading needle mounting block 16 are respectively arranged opposite to each other along the rotation circumference of the first connecting rod 9 and the second connecting rod 10. The third threading needle mounting block 15 is detachably mounted with a third threading needle 19, and the fourth threading needle mounting block 16 is detachably mounted with a fourth threading needle 20. The third threading needle mounting block 15 is provided with a threading needle insertion hole corresponding to the fourth threading needle 20, and the fourth threading needle mounting block 16 is provided with a threading needle insertion hole corresponding to the third threading needle 19. The third threading needle 19 and the fourth threading needle 20 are arranged adjacent to each other in relative position and move relative to each other along the circumference through the rotation of the first connecting rod 9 and the second connecting rod 10.

[0026] When the one-step vascular anastomosis device is used, the anastomosis connection point at the root of the left incision of the outer sheath blood vessel is inserted through the left first piercing needle 17, and the anastomosis connection point at the root of the right incision is inserted through the right first piercing needle 17; the anastomosis connection point on the left side of the inner sheath blood vessel is inserted through the left second piercing needle 18, and the anastomosis connection point on the right side is inserted through the right second piercing needle 18; the connection point of the upper half of the left incision of the outer sheath blood vessel is inserted through the left third piercing needle 19, and the connection point of the lower half of the left incision of the outer sheath blood vessel is inserted through the left fourth piercing needle 20; the connection point of the upper half of the right .... The connection point is inserted through the third piercing needle 19 on the right side, and the connection point of the lower half of the right incision of the outer sheath blood vessel is inserted through the fourth piercing needle 20 on the right side; the sliding control sleeve 3 is operated to make the movable rods 2 on both sides move synchronously toward the fixed rod 1, and the relatively arranged piercing needles move relative to each other. Through the first piercing needle 17 and the second piercing needle 18 of the vascular anastomosis mechanism on both sides, the outer sheath blood vessel and the inner sheath blood vessel to be anastomosed can be respectively connected to the opposite sides by point-to-point anastomosis, and through the third piercing needle 19 and the fourth piercing needle 20 of the vascular anastomosis mechanism on both sides, the incisions on both sides of the outer sheath blood vessel can be connected to the point.

Claims

1. A one-step vascular anastomosis device, characterized in that: The invention relates to a vascular anastomosis mechanism which is symmetrically and linked to each other on both sides, and comprises a fixed rod (1), a movable rod (2), a sliding guide rod (4), a first connecting rod (9), a second connecting rod (10), a first supporting rod (11) and a second supporting rod (12). The fixed rod (1) is fixedly connected to the sliding guide rod (4), the movable rod (2) can be slidably mounted on the sliding guide rod (4) along the sliding guide rod (4) and is parallel to the fixed rod (1), the fixed ends of the first connecting rod (9) and the second connecting rod (10) are respectively rotatably connected to the fixed rod (1), the lower end of the first supporting rod (11) is rotatably connected to the movable rod (2), the upper end of the second supporting rod (12) is rotatably connected to the movable rod (2), the first connecting rod (9) is axially connected to the first supporting rod (11) and is moved by the movable rod (2) to perform a two-link rotation, the second connecting rod (10) is axially connected to the second supporting rod (12) and is moved by the movable rod (2) to perform a two-link rotation, and the fixed rod (1) and the movable rod (2) are rotatably connected to each other. A detachable first threading needle (17) and a second threading needle (18) are respectively provided on the opposite sides, the first threading needle (17) and the second threading needle (18) are arranged adjacent to each other and staggered and are moved relative to each other by the moving rod (2), and a detachable third threading needle (19) and a detachable fourth threading needle (20) are respectively provided on the opposite sides along the rotation circumference of the movable end of the first connecting rod (9) and the movable end of the second connecting rod (10), the third threading needle (19) and the fourth threading needle (20) are arranged adjacent to each other and staggered and are moved relative to each other by the moving rod (2). The first connecting rod (9) and the second connecting rod (10) rotate to move relative to each other in the circumferential direction. The sliding guide rod (4) is slidably mounted with a sliding control sleeve (3). The movable rod (2) is fixedly connected to the sliding control sleeve (3). The fixed rod (1) is rotatably mounted with a first rotating sleeve (5) and a second rotating sleeve (6). The fixed end of the first connecting rod (9) is fixedly connected to the first rotating sleeve (5), and the fixed end of the second connecting rod (10) is fixedly connected to the second rotating sleeve (6).

2. The one-step vascular anastomosis device according to claim 1, characterized in that: A third rotating sleeve (7) and a fourth rotating sleeve (8) are rotatably mounted on the movable rod (2); the lower end of the first supporting rod (11) is fixedly connected to the fourth rotating sleeve (8); and the upper end of the second supporting rod (12) is fixedly connected to the third rotating sleeve (7).

3. The one-step vascular anastomosis device according to claim 1, characterized in that: A first threading needle mounting block (13) and a second threading needle mounting block (14) are respectively mounted on opposite sides of the fixed rod (1) and the movable rod (2); a first threading needle (17) is detachably mounted on the first threading needle mounting block (13), and a second threading needle (18) is detachably mounted on the second threading needle mounting block (14).

4. The one-step vascular anastomosis device according to claim 3, characterized in that: The first piercing needle mounting block (13) is provided with a piercing needle insertion hole corresponding to the second piercing needle (18), and the second piercing needle mounting block (14) is provided with a piercing needle insertion hole corresponding to the first piercing needle (17).

5. The one-step vascular anastomosis device according to claim 1, characterized in that: A third threading needle mounting block (15) is installed on the lower side of the movable end of the first connecting rod (9), and a fourth threading needle mounting block (16) is installed on the upper side of the movable end of the second connecting rod (10). A third threading needle (19) is detachably mounted on the third threading needle mounting block (15), and a fourth threading needle (20) is detachably mounted on the fourth threading needle mounting block (16).

6. The one-step vascular anastomosis device according to claim 5, characterized in that: The third piercing needle mounting block (15) is provided with a piercing needle insertion hole corresponding to the fourth piercing needle (20), and the fourth piercing needle mounting block (16) is provided with a piercing needle insertion hole corresponding to the third piercing needle (19).

7. The one-step vascular anastomosis device according to claim 1, characterized in that: The sliding control sleeves (3) or the moving rods (2) of the blood vessel anastomosis mechanisms on both sides are linked to each other.

8. The one-step vascular anastomosis device according to claim 1, characterized in that: The sliding guide rods (4) of the vascular anastomosis mechanisms on both sides are arranged on outer sides facing away from each other and are connected to each other to form a whole. The first piercing needles (17) of the vascular anastomosis mechanisms on both sides are arranged on the inner sides close to the fixed rods (1), and the second piercing needles (18) are arranged on the inner sides close to the movable rods (2).

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