Sutureless capsular bag tension device for lens subluxation of ophthalmology department

Abstract

The invention discloses a sutureless capsular bag tension device for lens subluxation of the ophthalmology department. The sutureless capsular bag tension device comprises a head part, a body part anda tail part which are integrally formed and sequentially arranged; and one end of the head part is provided with one or more reverse teeth, the other end of the head part is connected with the body part, the body part is of an arc-shaped structure, one end of the body part is connected with the head part, the other end of the body part is connected with the tail part, and the tail part is of an annular retractor structure. The sutureless capsular bag tension device is used for maintaining the stability of the lens capsular bag in lens subluxation operation of the ophthalmology department, theedge of the head part of the sutureless capsular bag tension device is provided with the multiple reverse teeth, after the head part enters a sclera interlayer, the sutureless capsular bag tension device can be fixed, the body part is of the arc-shaped structure and is attached to the edge of a capsular bag, the tail part is of the annular retractor structure, in the operation, a tail retractor enables the body part to be fully implanted into the capsular bag through a manual lens position-adjusting hook, the sutureless capsular bag tension device can be fixed to the sclera interlayer throughthe reverse teeth at the heat part, and additional suture fixation is avoided.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a capsular bag tensioner for ophthalmic lens subluxation and suture-free. Background technique [0002] In the operation of ophthalmic lens disease, the phenomenon that the lens suspensory ligament is loosened or ruptured for any reason and the lens position is abnormal is called lens dislocation. According to the location of the dislocation, it can be divided into lens subluxation, anterior lens dislocation and posterior lens dislocation. Clinically include: Marfan syndrome, traumatic lens subluxation, etc. In current clinical practice, a capsular bag tension ring is often implanted to stabilize the capsular bag during lens subluxation surgery, and capsular bag retractors or iris retractors are also used to fix the anterior lens capsule to stabilize the capsular bag during surgery. The tension ring acts to stabilize the capsular bag. [0003] Among them, the capsular ...

AI Technical Summary

Problems solved by technology

[0003] Among them, the capsular bag retractor or iris retractor only fixes part of the anterior capsule, which belongs to point-to-point support and fixation, and has no supporting effect on the equator of the capsular bag and the posterior capsule. Easier to flood into the anterior chamber, resulting in instability of the anterior chamber

Ordinary capsular bag tension ring, because it is implanted in the capsular bag, relies on the residual zonular ligament to maintain a constant position. Due to the force of the tension ring and intraocular lens gravity, the strength of the zonular ligament is uneven, and the patient's vision is unstable. There is still a tension ring after surgery-intraocular lens Risk of complex displacement or posterior dislocation

The improved suturable tension ring is fixed on the scleral wall with 10-0 polypropylene suture. During the operation, the bulbar conjunctiva needs to be incised, and additional sutures are used for fixation. The operation is complicated, and long-term follow-up observation is necessary. Risk of tension ring-IOL complex displacement or posterior dislocation

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