SU1487895A1 - Device for repositioning intramaxillar bone in two-sided lip and plate cleft - Google Patents

Description

The invention is intended to create the correct anatomical shape of the middle part of the face by dispensing pressure on the maxillary bone in different directions. The device consists of an intraoral plate 1, from which the extraoral rods 2 extend, at the distal ends of which there is a screw thread 3 entering the holes 5 of the lower part of the side plates 6. At the ends of the extraoral rods 2 there are placed stop nuts 4, and in the upper part of the side plates 6 there are two slots 7, into which the screws 8 are inserted with washers 9 and nuts 10 for rigid attachment to the plate 11 of the dressing helmet 12. 2 Il.

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1487895

The invention relates to medicine, namely to dentistry.

The purpose of the invention is the creation of a metered pressure on the maxillary bone in different directions.

FIG. 1 shows the device, a general view; in fig. 2 - the connection unit of the helmet-bandage plate with the side plate.

The device contains an intraoral plate 1, corresponding in shape and dimensions of the maxillary bone, from the intraoral plate 1 there are extraoral rods 2, at the distal ends of which there is a screw thread 3 and thrust nuts 4 are located. The extraoral rods 2 enter into the holes 5 of the lower side plates 6, in the upper part of which there are two grooves 7 on each side, into which screws 8 are inserted with washers 9 and nuts 10 for rigid fastening to the plate 11 of the helmet-bandage 12. Extraoral cores 2 with screw thread 3, stop nuts 4, located in the holes 5, form a pressure mechanism-.

The device for reposition of the maxillary bone works as follows.

After receiving the impression from the maxillary bone, an intraoral plate 1 is made, for example, from AKP-7 plastic, which corresponds to the shape and size of the maxillary bone (if there are teeth, holes are cut into it), in the vestibular ed surface of which the extraoral rods 2 are welded in the horizontal or oblique direction with screw cuts 3 at the distal ends. At the same time, a helmet-bandage 12 is put on the patient's head.

According to the shape of the patient's forehead, an aluminum plate 11 is bent and sewn to the frontal and temporal portions of the dressing helmet 12. The plate 11 of the dressing helmet 12 has holes (not indicated) that have two screws on each side 8. There are grooves 7 on

the upper part of the side plates 6, the screws 8 are inserted and fastened with nuts 10 with washers 9 to the headband plate 11 12. An intra-oral plate 1 is applied to the maxillary bone, corresponding to 5. in shape and size, the extraoral rods 2 of which enter the holes 5 of the lower part of the side plates 6, after which they are rigidly fixed with screws 8 to the plate 11 of the dressing helmet 12 and the extra nuts 10 are screwed onto the extraoral 10 rods 2 four.

After the device is fixed on the patient's head, the stop nuts 4 are tightened by 0.5 turns. . in one day. As a result, dosing of forces on the maxillary bone is provided, the vector direction of which can be changed in space at any time by screwing or unscrewing the stop nuts 4 to varying degrees or by repositioning the side plates 6 along the slots 7, as well as along the plate 11.

Claims (1)

Claim A device for the reposition of the maxillary bone with bilateral cleft lip and palate, containing a helmet-bandage and an intraoral plate with a pressure mechanism kinematically connected to it, characterized in that, in order to create a metered pressure on the maxillary bone in different directions, two lateral plates are inserted into it with grooves and a hole each, fixed with the possibility of permutation and fixation on the headband, and the pressure mechanism is made in the form of two threaded extraoral rods fixed to the intra-gross plate steel, the distal ends of which are located in the holes of the side plates and equipped with stop nuts.