SURGICAL METHOD FOR TREATING PREMATURE NEWBORNS FOR RETINOPATHY Russian patent published in 2005 - IPC

FIELD: medicine.

SUBSTANCE: method involves carrying out transpupillary laser coagulation of central avascular zones and transscleral cryocoagulation of peripheral avascular retina zones. 3-4 mm long incisions in conjunctiva and Tenon's capsule are done between sclera and Tenon's capsule in perpendicular to limbus 3-4 mm far from it. Tunnel is built in projection zone of an avascular retina zone between sclera and Tenon's capsule in parallel to the limbus on both sides of the incision. Flexible polymer magnetic implant is extrasclerally introduced into the tunnel in projection zone of an avascular retina zone. The implant has its own permanent magnetic field with magnetic poles alternating on each of sides and permanent magnetic field intensity of 0.5-1.0 mTesla units. The implant is sutured with one of its ends to sclera, and suture is placed on conjunctiva, and anti-oxidant therapy is applied. Magnetic stimulation therapy course is applied 3-4 weeks later. The course combines actions of permanent magnetic field produced by extrasclerally arranged magnetic implant and external rotating permanent magnetic field of 0.30-0.40 mTesla units intensity. Periodicity of external magnetic field action is selected to be 1-2 times per day with external action duration being equal to 3-5 min per 1 session during 10 days. The extrasclerally arranged flexible polymer magnetic implant is removed when treatment course is over. The flexible polymer magnetic implant is manufactured from biologically stable polymer material like one on polypropylene, polyester or polyethylene basis having permanent magnet material powder particles uniformly distributed therein. Magnetic material particles are of samarium-cobalt, neodymium-iron-boron or samarium-iron-nitrogen base.

EFFECT: enhanced effectiveness of prophylactic treatment; prevented severe disease forms progress; released retina edema.

6 cl