SU1424814A1 - Microsurgical instrument - Google Patents

Abstract

This invention relates to medicine. To reduce the puncture force, the tool is made in the form of a cutter 1 with a holder 2, the cutter blade is formed by the intersection of three faces. Face 3 forms an angle of 2-5 ° C with the largest 4 plane. and located perpendicular to the side surfaces 5. The edges 6, 7 form an angle of 17-25 ° amp with the largest plane. and located to the side surfaces 5 at an acute angle. 1 hp f-ly, 4 ill.

Description

(L

with:

four

sc

FIG. one

The invention relates to medicine, namely to a cutting instrument for microsurgery, advantageously can be used in eye microsurgery for applying punctures, cuts and incisions of ocular tissues.

The aim of the invention is to reduce the force of a tool. : FIG. 1 shows the tool in the frame, general view; on (| zig. 2 - the same, without support: selector (the geometric axes of the cutter 10 1 and the rim coincide); in Fig. 3 - the same, ic with one cutting edge; in Fig. 4 - the same, with an additional facet.

The tool is made in the form of a cutter 1: with the holder 2, the cutter blade is formed by the intersection of three faces, one face 3 forms an angle of 2-5 ° with the largest 4 plane and is perpendicular to the side surfaces 5, and the other two faces 6 and 7 form with the largest plane

15

force the tool into the fabric by changing the orientation of the faces, reducing the thickness of the tooling and grinding angles.

The presence of two cutting edges reduces the cutting force into the fabric as it cuts in two directions.

Claims (3)

1. A microsurgical instrument consisting of a holder and a cutter formed by several facets, characterized in that, in order to reduce the force of puncture, the cutter blade is formed by intersecting three faces, one of which forms an angle with the most flat face and is perpendicular to the lateral surfaces, and the two other faces form an angle of 17-25 ° with the largest plane and are located to the lateral surfaces at the east: an angle of 17-25 ° and located to the lateral 20 Pb m angle. surfaces 5 at an acute angle. Tool 2. The tool of claim 1, wherein The cop may have an additional face 8, in that the base of the cutter is fused into the op | forming with the largest plane a grass made of a fusible material, angle of 17-25 ° and located perpendicular 3. The tool of claim 1, wherein the lateral surfaces are cool, and that the additional face forms with in the frame of fusible material. the largest plane is an angle of 17-25 ° and the size of the described microsurgeon design, which is perpendicular to the lateral surface, the instrument allows for reduced bone marrow. Thebes. 2 Editor / 1. Gratilllo Order 4708; 4 Compiled by V. Baranov Tehred I. VeresKorrektor O. Kravtsova Circulation G55 Subscription VNIIPI USSR State Committee for Inventions and Discoveries 113035, Moscow, Zh-35, Raushsk nab. 4/5 Production and printing company, Uzhgorod, ul. Project, 4 force the tool into the fabric by changing the orientation of the faces, reducing the thickness of the tooling and grinding angles. The presence of two cutting edges reduces the cutting force into the fabric as it cuts in two directions. Invention Formula 1. A microsurgical instrument consisting of a holder and a cutter formed by several facets, characterized in that, in order to reduce the force of puncture, the cutter blade is formed by intersecting three faces, one of which forms an angle with the most flat face and is perpendicular to the side surfaces, and the other two faces form an angle of 17-25 ° with the largest plane. Fiel