CN211270924U

CN211270924U - Length-adjustable lifting ring fixing plate device

Info

Publication number: CN211270924U
Application number: CN201921657698.9U
Authority: CN
Inventors: 杨洋; 卓清山; 韩志达; 张鹏云
Original assignee: NINGBO HICREN BIOTECHNOLOGY CO LTD
Current assignee: NINGBO HICREN BIOTECHNOLOGY CO LTD
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-18
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a length-adjustable lifting ring fixing plate device, which comprises a fixing plate, a suture segment, and a traction line and a turning loop line which are arranged at the two ends of the fixing plate; wherein: the fixing plate is provided with a plurality of suture line through holes matched with the shape of the fixing plate; the suture line section penetrates through the suture line through hole in a certain threading way, a plurality of adjustable hanging rings are formed on one side of the fixing plate, and a double-pressurization self-locking knot is formed on the other side of the fixing plate; the tail end of the suture line section passes through the knot of the double-pressurization self-locking knot on the other side of the fixing plate, and the length of the adjustable hanging ring can be adjusted by pulling the tail end of the suture line section. The length-adjustable lifting ring fixing plate device of the utility model is suitable for operation channels with different lengths by adjusting the length of the adjustable lifting ring; the double-pressurization self-locking knot can effectively ensure that the ligament can not return in the operation process and reduce the risk of the disengagement of the self-locking knot after the operation; different suture through hole numbers of the fixing plate can be matched with the threading modes matched with the fixing plate so as to improve the overall mechanical property of the system.

Description

Length-adjustable lifting ring fixing plate device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a rings fixed plate device of adjustable length.

Background

Anterior Cruciate Ligament (ACL), also known as anterior cruciate ligament, fails to heal itself after rupture and to suture its ruptured ends directly, so 100000 patients receive ACL reconstruction each year. The ACL reconstruction principle is simple, drilling bone holes in the femoral and tibial ends of the knee joint, respectively, and then introducing a substitute for the ligament into the joint, securing the new ligament in place at the femoral and tibial ends. In ACL surgery, an eye plate system is used which suspends a replacement ligament and secures it to the femoral and tibial ends. The conventional lifting ring fixing plate system for ACL reconstruction is roughly divided into two types, namely a lifting ring fixing plate system with adjustable lifting ring length and a lifting ring fixing plate system with fixed lifting ring length.

The fixation device used in ACL reconstruction should have high mechanical strength and should not change its overall mechanical properties significantly with the user's manipulation. The adjustable lifting ring fixing plate system with the self-locking function used in the ACL reconstruction operation can ensure that a transplant does not return in the operation process, but the reliability of the self-locking end is poor, and after the operation is finished, the transplant is fixed only by the single self-locking end, so that great risk exists, the self-locking end is separated to cause operation failure, secondary operation is required, and the burden of a patient is greatly increased.

Therefore, the utility model has higher mechanical strength and smaller variation range of the whole mechanical strength, and has the fixing device of the double-pressurizing self-locking knot, so as to solve the problems that the ligament rollback phenomenon in the operation process and the hidden trouble of the self-locking knot after the operation are needed to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to have self-locking function's adjustable rings fixed plate device to current self-locking knot easily unhooked problem after the operation, the utility model provides a length adjustable rings fixed plate device, its dual pressurization self-locking knot can avoid the operation in-process to take place the ligament and roll back the phenomenon and can reduce the operation after self-locking knot unhooked risk.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a length-adjustable lifting ring fixing plate device, which comprises a fixing plate, a suture segment, and a traction line and a turning loop line which are arranged at the two ends of the fixing plate; wherein: the fixing plate is provided with a plurality of suture line through holes matched with the fixing plate in shape; the suture line section penetrates through the suture line through hole in a certain threading mode to form a plurality of adjustable lifting rings on one side of the fixing plate, and a double-pressurization self-locking knot is formed on the other side of the fixing plate; the tail end of the suture line section penetrates through the knot of the double-pressurizing self-locking knot, and the length of the adjustable hanging ring can be adjusted by pulling the tail end of the suture line section.

Further, the double-pressurization self-locking knot comprises a first locking knot and a second locking knot, wherein the first locking knot is formed by penetrating the tail end of the suture line segment through the knot; the suture line segment has a cross portion crossing over the cross beam between the two suture through holes of the fixing plate, and the tail end of the suture line segment passes through the cross portion from above or below to form the second locking node.

Further, the suture through holes are distributed on the fixing plate in a central symmetry or axial symmetry manner.

Furthermore, the adjustable lifting ring is two adjustable lifting rings or four adjustable lifting rings.

Furthermore, the fixing plate is a long and thin main body with two arc-shaped ends, the two arc-shaped ends of the fixing plate are respectively provided with a first end through hole and a second end through hole, and the traction line and the loop turning line are respectively arranged on the two arc-shaped ends of the fixing plate.

Furthermore, the fixing plate is made of stainless steel, titanium alloy or PEEK, the length of the fixing plate is 8-16mm, the width of the fixing plate is 2-8mm, and the thickness of the fixing plate is 0.5-3 mm.

Further, the materials of the suture line segment, the pulling line and the turning loop line are one or a mixture of ultrahigh molecular weight polyethylene and polyester.

Further, the diameter of the suture line is 0.2-2mm, and the length is 60-200 cm.

Further, the suture line through hole, the first end through hole and the second end through hole are in a circular shape, an oval shape or a regular polygon shape, and the aperture of the suture line through hole is 0.2-3 mm.

Compared with the prior art, the utility model has the advantages of it is following:

the length-adjustable lifting ring fixing plate device of the utility model can adapt to the operation channels with different lengths by adjusting the length of the adjustable lifting ring; the double-pressurization self-locking knot can effectively ensure that the ligament can not retreat in the operation process, can improve the locking function of the traditional self-locking knot and reduce the risk of the detachment of the self-locking knot after the operation; the suture line through holes are distributed on the fixing plate in a centrosymmetric or axisymmetric manner, so that the problem of deformation caused by uneven stress in the in-vivo effective process of the hanging ring fixing plate device is effectively solved; different suture through hole numbers on the fixing plate can be matched with the threading modes matched with the suture through hole numbers, so that the overall mechanical property of the system can be improved, and the flying ring fixing plate device meets the specification of endoscopic surgery.

Drawings

Fig. 1 is a schematic view of a length-adjustable lifting ring fixing plate device of the present invention;

FIG. 2 is a schematic view of the double compression self-locking knot of the present invention;

fig. 3 is a schematic view of a fixing plate and a suture perforation method according to an embodiment of the present invention;

FIG. 4 is a schematic view of another embodiment of the present invention showing a fastening plate and a suture perforation method;

FIG. 5 is a diagrammatic illustration of a surgical procedure provided by an embodiment of the present invention;

fig. 6 is a schematic view of a fixing plate according to an embodiment of the present invention;

fig. 7 is a schematic view of another fixing plate according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail and specifically with reference to specific embodiments so as to provide a better understanding of the present invention, but the following embodiments do not limit the scope of the present invention.

Example 1

The embodiment of the utility model provides a length-adjustable lifting ring fixing plate device, as shown in figure 1, comprising a fixing plate 1, a suture segment 2, a traction wire 3 and a tab turning wire 4 which are arranged at two ends of the fixing plate; wherein, the fixing plate 1 is provided with a plurality of suture through holes 5 matched with the shape of the fixing plate 1; the suture line segment 2 penetrates through the suture line through hole 5 in a certain threading way to form a plurality of adjustable lifting rings 8 on one side of the fixing plate 1, and a double-pressurizing self-locking knot 9 is formed on the other side of the fixing plate 1; the tail end of the suture segment 2 passes through the knot 10 of the double-pressurization self-locking knot 9, and the length of the adjustable hanging ring 8 can be adjusted by pulling the tail end of the suture segment 2.

As shown in fig. 2, the double compression self-locking knot 9 comprises a first locking knot 91 and a second locking knot 92, wherein the first locking knot 91 is formed by the tail end of the suture segment 2 passing through the knot 10; the suture segment has a cross portion 11 crossing a cross member between the two suture through holes 5 of the fixing plate, and the tail end of the suture segment 2 passes through the cross portion 11 from above or below to form the second locking node 92.

As shown in fig. 3, the present embodiment provides a fixing plate and a suture perforation method, wherein the fixing plate 1 is provided with four suture through holes 5, and the four suture through holes 5 are distributed in a cross shape. The suture line segment 2 passes through the suture line through holes 5 in a certain threading way, a cross part 11 is formed on a beam between the two suture line through holes 5 in the horizontal direction, and the tail end of the suture line segment 2 passes through the upper part or the lower part of the cross part 11 to form a second locking node and passes through the knot 10 to form a first locking node; and four adjustable hanging rings 8 are formed on the other side of the fixed plate 1, and the length of the adjustable hanging rings 8 can be adjusted by pulling the tail end of the suture segment 2.

The utility model discloses in, adopt dual pressurization auto-lock knot structure, can effectively guarantee that the ligament can not take place to roll back the phenomenon in operation process to can improve the locking function of traditional auto-lock knot, reduce the length that postoperative auto-lock knot off-going risk is through adjusting adjustable rings, the operation passageway of adaptable different length.

As a preferred embodiment of the present invention, the fixing plate 1 is a slender body with two circular ends, the circular ends of which are respectively provided with a first end through hole 6 and a second end through hole 7, and the pulling wire 3 and the tab turning wire 4 are respectively arranged; the fixing plate 1 is made of stainless steel, titanium alloy or PEEK, and is 8-16mm in length, 2-8mm in width and 0.5-3mm in thickness; the suture line through hole 5, the first end through hole 6 and the second end through hole 7 are circular, oval or regular polygon in shape, and the aperture is 0.2-3 mm.

As a preferred embodiment of the present invention, the material of the suture segment 2, the pulling line 3 and the loop turning line 4 is one of ultra-high molecular weight polyethylene and polyester or a mixed weave; the diameter of the suture line 2 is 0.2-2mm, and the length is 60-200 cm.

As shown in fig. 5, the application principle of the lifting ring fixing plate device with adjustable length is as follows: in the operation process, the traction line 3 sequentially passes through a tibia hole and a femur hole, an operator uses the traction line 3 to pull the fixing plate 1, the tail end of the suture segment 2 and the turning loop line 4 to the femur side, and an adjustable lifting ring 8 and a ligament graft 12 are left in the femur hole; the length of the adjustable sling 8 is adjusted by pulling the tail end of the suture length 2 so that the ligament graft reaches the desired position for the operation, and the remaining part of the tail end of the suture length 2 is cut off by a thread cutter.

Example 2

As shown in fig. 4, another fixing plate and suture perforation method are provided in this embodiment, the fixing plate 1 is provided with six suture through holes 5, wherein four suture through holes 5 are distributed at the vertex angle of the regular quadrangle, and the other two suture through holes 5 are respectively located at the two sides of the regular quadrangle, and the center thereof is located on the transverse central axis of the regular quadrangle. The suture line segment 2 passes through the suture line through holes 5 in a certain threading way, a cross part 11 is formed on a cross beam between the suture line through holes 5 respectively positioned at two sides of the quadrangle, the tail end of the suture line segment 2 passes through the upper part or the lower part of the cross part 11 to form a second locking node, and passes through the knot 10 to form a first locking node; and four adjustable hanging rings 8 are formed on the other side of the fixed plate 1, and the length of the adjustable hanging rings 8 can be adjusted by pulling the tail end of the suture segment 2.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. A length-adjustable lifting ring fixing plate device is characterized by comprising a fixing plate (1), a sewing line segment (2), and a traction line (3) and a turning loop line (4) which are arranged at two ends of the fixing plate; wherein: a plurality of suture line through holes (5) matched with the fixing plate in shape are formed in the fixing plate (1); the suture line segment (2) penetrates through the suture line through hole (5) in a certain threading way to form a plurality of adjustable lifting rings (8) on one side of the fixing plate (1), and a double-pressurizing self-locking knot (9) is formed on the other side of the fixing plate (1); the tail end of the suture line segment (2) penetrates through a knot (10) of the double-pressurization self-locking knot (9), and the length of the adjustable hanging ring (8) can be adjusted by pulling the tail end of the suture line segment (2).

2. A length adjustable eye fixation plate arrangement as claimed in claim 1, wherein the double compression self locking knot (9) comprises a first locking knot (91) and a second locking knot (92), the first locking knot (91) being formed by the tail end of the length of suture (2) passing through the knot (10); the suture section (2) is provided with a cross part (11) which crosses a cross beam between the two suture through holes (5) of the fixing plate (1), and the tail end of the suture section (2) penetrates from the upper part or the lower part of the cross part (11) to form the second locking joint (92).

3. A length adjustable eye fixation device as claimed in claim 1, wherein the suture through-holes (5) are arranged centrally or axially symmetrically on the fixation plate (1).

4. A length adjustable lifting eye fixing plate arrangement as claimed in claim 1 wherein the adjustable lifting eye (8) is a two-ply adjustable lifting eye or a four-ply adjustable lifting eye.

5. The length-adjustable lifting ring fixing plate device as claimed in claim 1, wherein the fixing plate (1) is an elongated body with two circular ends, and the circular ends are respectively provided with a first end through hole (6) and a second end through hole (7) which are respectively provided with the pull wire (3) and the tab wire (4).

6. The length-adjustable lifting ring fixing plate device as claimed in claim 1, wherein the fixing plate (1) is made of stainless steel, titanium alloy or PEEK, and has a length of 8-16mm, a width of 2-8mm and a thickness of 0.5-3 mm.

7. The length-adjustable lifting ring fixing plate device as claimed in claim 1, wherein the material of the suture thread segment (2), the traction thread (3) and the turning loop thread (4) is one of ultra-high molecular weight polyethylene and polyester or a mixed weave.

8. A length adjustable eye fixation plate arrangement as claimed in claim 1, wherein the suture length (2) has a thread diameter of 0.2-2mm and a length of 60-200 cm.

9. The length-adjustable eye fixation plate device according to claim 1, wherein the suture through-hole (5), the first end through-hole (6), and the second end through-hole (7) are circular, elliptical, or regular polygonal in shape, and have a hole diameter of 0.2-3 mm.