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Anterior cruciate ligament stump strengthening dilator

An anterior cruciate ligament and dilator technology, applied in the field of medical devices, can solve the problems of difficulty in reaching the residual ligament, too much forward movement of the stump, wrapping the graft, etc., and achieve the effects of simple structure, convenient operation and improved prognosis.

Pending Publication Date: 2021-08-27
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the preservation of the ligament stump in patients with ACL rupture has gradually been recognized by clinicians. The ideal residual ligament is of course to completely surround the graft without causing impingement of the intercondylar fossa or cyclopia deformity, resulting in limited extension. However, in clinical practice, the existence of the stump often leads to blurred vision, inaccurate positioning, difficulty in reaching the situation where the residual ligament wraps the graft, and may even lead to frontal impingement caused by too much forward movement of the stump

Method used

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  • Anterior cruciate ligament stump strengthening dilator

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] The purpose of the present invention is to provide an anterior cruciate ligament stump reinforcing expander to solve the problems in the prior art.

[0019] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] The stump of the anterior cruciate ligament in th...

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Abstract

The invention discloses an anterior cruciate ligament stump strengthening dilator which comprises a guide needle, a dilation head, a push rod and a handle. One end of the guide needle is a guide needle head, a push rod sleeves the guide needle, one end, close to the guide needle head, of the push rod is connected with an expansion head which also sleeves the guide needle, and the other end of the push rod is connected with a handle which is in sliding connection with the guide needle. The anterior cruciate ligament stump strengthening dilator is simple in structure and convenient to operate, is applied to a cruciate ligament stump protection reconstruction operation, and can simply and efficiently realize that the residual ACL ligament wraps a graft to the maximum extent and avoid intercondylar fossa collision, so that postoperative complications are reduced, and the prognosis of a patient is improved.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to an anterior cruciate ligament stump reinforcing expander. Background technique [0002] Anterior cruciate ligament (ACL) injury is a common sports injury. The instability of the knee joint caused by ACL injury not only affects the daily life and sports of patients, but also further affects other structures in the joint. Therefore, in order to restore the stability of the knee joint, reconstruction of the injured ACL has reached a consensus. In traditional ACL reconstruction surgery, the ACL stump is usually dissected in order to clearly expose the footprints of the femoral and tibial insertions of the ACL. In recent years, scholars at home and abroad have focused their research on ACL ligament reconstruction not only on the recovery of biomechanical function after reconstruction, but also on the impact of ACL biological healing and proprioceptive recovery on knee jo...

Claims

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Application Information

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IPC IPC(8): A61B90/00A61F2/08
CPCA61B90/02A61F2/0805A61F2/0811
Inventor 沈炜亮黄哲宇欧阳宏伟
Owner ZHEJIANG UNIV
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