RU2213536C1 - Adapter instrument for introducing implant - Google Patents

Abstract

FIELD: medical engineering. SUBSTANCE: device has threaded rod, hollow cylinder union with internal thread and rubber ring. The union has hexaheder for receiving wrench, cylindrical protrusion and truncated cone of 7- 12 deg. The rod has external hexaheder. The adapter has removable internal hexaheder on two opposite sides. EFFECT: usability of single adapter in various clinical cases. 5 cl, 4 dwg

Description

 The invention relates to medicine, namely to surgical and orthopedic dentistry.

 Known tools for the introduction of implants - adapters of various companies. An analogue is the instrument of the company "Astra Tech" Sweden, which is used to introduce implants of this company.

 The known adapter has the following disadvantages: the introduction of the implant with a single defect and a small intermaxillary distance, when it is impossible to use a large adapter due to insufficient distance to the teeth of the opposite jaw, and the handle of the small adapter does not pass between the teeth that limit the defect. The coupling of this adapter has a tetrahedron for a wrench, which complicates the rotation of the coupling and, as a result, the installation of the implant in limited conditions of the oral cavity due to a lack of positions.

 The prototype is an implant insertion tool consisting of a threaded rod and a sleeve made in the form of a hollow cylinder with an internal thread (DE 3917690 C2 patent, publ. 06/13/1991).

 The technical result of this invention is the creation of a universal tool for introducing and removing implants of various types, ensuring the versatility of the adapter, simplifying the surgical process of implant placement, reducing the number of tools and the cost of a kit for installing implants.

The technical result is achieved due to the fact that the instrument for introducing the implant consists of a threaded rod and a sleeve made in the form of a hollow cylinder with an internal thread, while it contains a rubber ring, the sleeve is made with a turnkey hexagon, a cylindrical protrusion and a truncated cone 7- 12 ^o , and the rod is made with an external hexagon, a cylindrical protrusion and a turnkey recess. The rod may have a removable handle having internal hexagons on two opposite sides. The rod can be made with two right-hand threads of larger and smaller diameters or have a right-hand thread of a smaller diameter and a left-hand thread of a larger diameter. On a truncated cone of the coupling, a conical external thread can be made.

 The invention is illustrated by drawings, where in FIG. 1 shows a tool for introducing an implant assembly; figure 2, 3, 4 - components: the rod of figure 2, a removable handle of figure 3 and the coupling of figure 4.

The stem of the tool for introducing the implant 1 is made in the form of a whole element, consists of an external hexagon 2, a cylindrical stop 3, a recess under the rubber ring 4. The stem of the tool for introducing the implant can have a left thread 5, a larger diameter and a right thread 6, a smaller diameter, separated polished cylindrical part. Usually the shaft has both right threads. The handle 7 has internal hexagons from two opposite sides 8 and 9. The coupling 10 is made in the form of a hollow cylinder with an internal thread having a cylindrical protrusion 11, a hexagon 12 and a truncated cone (7-12 ^o ) 13.

 An implant insertion instrument is used as follows. The sleeve of the instrument for introducing the implant is screwed into the rubber ring until it stops, the tool is screwed into the implant, as a result of which, the truncated cone of the sleeve enters the inner cone of the implant.

 The docked adapter-implant complex is installed in the bed formed in the bone tissue and, rotating with the help of a handle or a hexagonal head of the rod, is inserted before the implant is immersed in the bone tissue. Then, using the key, rotating the handle and hexagon on the coupling, release the implant from the adapter. The adapter containing the right-hand threads can be rotated by the hexagon on the sleeve for insertion of the implant, and to remove it, rotate the handle or hexagonal head of the rod. An adapter containing right-handed threads can be used to insert the extraosseous part into the implant.

A coupling containing a hexagon and a truncated cone of 7-12 ^o simplifies the installation of the implant and allows you to unify it with other systems of instruments and implants.

 The use of a rod having two right-hand threads and a removable handle of various sizes and allows you to use the adapter for insertion and removal of the implant in various clinical situations.

Claims (5)

1. The tool for introducing the implant, consisting of a rod with a thread and a sleeve made in the form of a hollow cylinder with an internal thread, characterized in that it contains a rubber ring, the sleeve is made with a turnkey hexagon, a cylindrical protrusion and a truncated cone 7-12 ^o , and the rod is made with an external hexagon, a cylindrical protrusion and a recess under the rubber ring.  2. The tool for introducing the implant according to claim 1, characterized in that it contains a removable handle having internal hexagons from two opposite sides.  3. The tool for introducing the implant according to claim 1, characterized in that the rod has right-hand threads of larger and smaller diameters.  4. The tool for introducing the implant according to claim 1, characterized in that the shaft has a right-hand thread of a smaller diameter and a left-hand thread of a larger diameter.  5. The tool for introducing the implant according to claim 1, characterized in that a tapered external thread is made on the truncated cone of the sleeve.

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