CN215192055U - Knife cutting ring - Google Patents

Abstract

The utility model discloses a sword cutter ring, including sword cutter ring, spacing draw-in groove and with the ring cutter piece that the sword cutter ring is closed, spacing draw-in groove has been seted up to the bottom one end of sword cutter ring, spacing draw-in groove is used for spacing to the joint of sword cutter ring, the sword cutter ring includes outer fixed ring, interior fixed ring and sword cutter ring base, outer fixed ring fixed connection is in the up end outside of sword cutter ring base, interior fixed ring fixed connection is inboard at the up end of sword cutter ring base, be formed with concave muscle groove between outer fixed ring, interior fixed ring and the sword cutter ring base, can effectively avoid the ring cutter piece when the cutting to the damage of sword cutter ring, avoid the sword cutter ring to produce the work that deformation influences and sew the nail, lead to influencing the operation quality.

Description

Knife cutting ring

Technical Field

The utility model relates to the field of medical equipment, in particular to sword cutting ring.

Background

With the continuous improvement of living standard and cultural standard of people, people have higher requirements on self health and living quality, the long foreskin is a common reproduction problem of men, the long foreskin is easy to store dirty and dirty to cause inflammation, the health of patients is harmed, and the couple life brings adverse effects.

Through patent search, there are the following known prior art solutions:

publication No. CN108478263A, application date: 2018.04.09. the invention discloses a circumcision stitching instrument and a circumcision stitching device, and relates to the technical field of medical instruments. The circumcision stitching instrument comprises a top body, a balanus seat and a shell, wherein a sliding block is arranged in the shell along the axial clearance fit of the shell, the top body comprises an ejection part and a connecting part, the top body is positioned in the shell, the connecting part is coaxially connected with the sliding block, a binding ring is arranged on the shell, a binding groove is arranged on the binding ring, the necking end of the balanus seat is connected to the shell through a connecting piece, a knife abutting ring is sleeved on the flaring end, an annular blade is arranged in the top body, a first guide bulge is arranged on the outer wall of the sliding block, and a first guide groove matched with the first guide bulge is arranged on the inner wall of the shell; the circumcision suturing device comprises suturing nails and the circumcision suturing device, wherein the suturing nails are matched with a suturing groove, and a nail bin cover is arranged on a suturing ring. The circumcision stitching instrument has the advantages of higher concentricity between the shell and the top body and good operation effect.

However, in the actual use process, the device has some defects, as shown in fig. 8, fig. 8 is a cross-sectional structure of a cutter cutting ring in use in the prior art, the structure is in a state of cutting with a ring cutting blade when in use, as shown in fig. 9, when the ring cutting blade cuts into the cutter cutting ring, the blade sharp is cut in a solid manner, and a surgeon needs to exert a large force; meanwhile, the cutter ring is affected by the extrusion of the ring blade, and the suturing nail is impacted after the outer side of the cutter ring deforms, so that the suturing nail is cut into the deformed plastic of the cutter ring, the operation quality accident is caused, and the operation effect is affected.

Therefore, there is a need to provide a knife ring to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved

An object of the utility model is to provide a sword surely encircles to solve the problem among the above-mentioned background art.

Two technical schemes

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sword cutter ring, includes sword cutter ring, spacing draw-in groove and the ring cutter piece that closes with sword cutter ring coincidence, spacing draw-in groove has been seted up to the bottom one end of sword cutter ring, spacing draw-in groove is used for spacing to the joint of sword cutter ring, sword cutter ring includes outer fixed ring, interior fixed ring and sword cutter ring base, outer fixed ring fixed connection is in the up end outside of sword cutter ring base, interior fixed ring fixed connection is inboard at the up end of sword cutter ring base, be formed with the concave muscle groove between outer fixed ring, interior fixed ring and the sword cutter ring base.

As a further proposal of the utility model, the outer fixed ring is provided with a first guiding groove with the one end of the concave rib groove.

As a further proposal of the utility model, the one end that interior fixed ring and concave muscle groove were laminated mutually is equipped with the second guiding groove.

As a further aspect of the present invention, the first guide groove and the second guide groove are specifically inclined planes or arc surface structures.

As a further proposal of the utility model, one side of interior fixed ring and the laminating of concave muscle groove is equipped with the air gap grid, the inside of air gap grid is inlayed and is equipped with at least a set of air gap.

As a further scheme of the utility model, the bead groove is right triangle bead groove, the right angle limit and the laminating of interior solid fixed ring outer wall of right triangle bead groove, the bevel limit of right triangle bead groove and the laminating of outer solid fixed ring's inner wall mutually, outer solid fixed ring's inner wall is formed with the inclined plane.

As a further aspect of the present invention, the inclined plane is an acute angle with the vertical plane, and the angle of the included angle is not smaller than the oblique angle between the air gap knife edge angle and the vertical plane.

Three beneficial effects

1. The utility model provides a knife cutting ring, through being equipped with the concave muscle groove, when the operation doctor cuts into the knife cutting ring, receive the influence of concave muscle groove sky, the operation doctor can spend less strength, receive the influence of concave muscle groove sky simultaneously, the plastic deformation of the knife cutting ring outside diminishes, avoids sewing up the nail and cuts into the knife cutting ring, can not influence the operation;

2. the utility model provides a knife cutting ring, one end at outer fixed ring and interior fixed ring is equipped with first guiding groove and second guiding groove, because knife cutting ring and ring cutter piece axiality deviation lead to the ring cutter piece easily to cut into the inside of groove accurately and reach the best operation effect when using, and then be equipped with first guiding groove and second guiding groove and lead to the ring cutter piece when the ring cutter piece deviates, improve the fault-tolerant rate when cutting, avoid the damage of ring cutter piece to knife cutting ring simultaneously;

3. the utility model provides a pair of sword cutting ring, through setting up concave muscle groove into the concave muscle groove of right triangle-shaped, prevent the damage of ring cutter piece to concave muscle groove bottom, lead to the sword cutting ring outside to warp, and the inclination on the inside inclined plane of concave muscle groove is not less than the oblique angle of ring cutter piece edge of a knife and vertical face, under the inclined plane effect when the ring cutter piece is cut, produce the inboard stress mutually to the ring cutter piece, avoid the bottom in ring cutter piece cutting concave muscle groove, lead to concave muscle groove to produce deformation, also avoid producing the extrusion to the ring cutter piece to the sword cutting ring outside and lead to the deformation of sword cutting ring and then influence the work of sewing nail, and too inseparable when cutting in order to prevent ring cutter piece and concave muscle groove, including solid fixed ring's inner wall be equipped with ring cutter piece.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a second embodiment of the present invention;

fig. 4 is an enlarged schematic view of the structure of fig. 3a according to the present invention;

FIG. 5 is a schematic view showing the cutting ring and the cutting ring of the present invention;

fig. 6 is an enlarged schematic view of fig. 5 b according to the present invention;

fig. 7 is a schematic view of an air gap grid structure of the present invention;

FIG. 8 is a schematic view of a prior art knife-cut ring configuration;

fig. 9 is a schematic view showing a switching state of a cutter ring and a ring-cutting blade in the prior art.

In the figure: 1. cutting a ring; 2. an outer fixing ring; 3. an inner fixing ring; 4. a limiting clamping groove; 5. a knife cutting ring base; 6. a groove rib groove; 7. a first guide groove; 8. a second guide groove; 9. an air gap grid; 10. a ring cutting blade; 11. an air gap.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

In addition, the following terms are defined based on the functions of the present invention, and may be different according to the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

Example one

As shown in fig. 1 and 2, including sword cutter ring 1, spacing draw-in groove 4 and the ring cutter blade 10 of cutting with sword cutter ring 1 with the cutting, spacing draw-in groove 4 has been seted up to the bottom one end of sword cutter ring 1, spacing draw-in groove 4 is used for spacing to the joint of sword cutter ring 1, sword cutter ring 1 includes outer fixed ring 2, inner fixed ring 3 and sword cutter ring base 5, outer fixed ring 2 fixed connection is in the up end outside of sword cutter ring base 5, inner fixed ring 3 fixed connection is in the up end inside of sword cutter ring base 5, outer fixed ring 2, be formed with concave muscle groove 6 between inner fixed ring 3 and the sword cutter ring base 5.

The working principle is as follows: when the cutter cutting ring 1 and the ring cutting blade 10 are cut, the ring cutting blade 10 is cut into the concave rib groove 6, the cutting is more labor-saving, and the extrusion stress generated to the cutter cutting ring 1 is smaller.

Example two

Further optimize the utility model discloses the scheme, as shown in fig. 3-7 a sword cutter ring, including sword cutter ring 1, spacing draw-in groove 4 and with the ring cutter blade 10 that sword cutter ring 1 fits, spacing draw-in groove 4 has been seted up to the bottom one end of sword cutter ring 1, spacing draw-in groove 4 is used for spacing to the joint of sword cutter ring 1, sword cutter ring 1 includes outer fixed ring 2, inner fixed ring 3 and sword cutter ring base 5, 2 fixed connection of outer fixed ring are in the up end outside of sword cutter ring base 5, 3 fixed connection of inner fixed ring are in the up end inside of sword cutter ring base 5, outer fixed ring 2, be formed with concave muscle groove 6 between inner fixed ring 3 and the sword cutter ring base 5.

Outer fixed ring 2 is equipped with first guiding groove 7 with the one end of concave muscle groove 6 laminating mutually, inner fixed ring 3 is equipped with second guiding groove 8 with the one end of concave muscle groove 6 laminating mutually, first guiding groove 7 and second guiding groove 8 specifically are inclined plane or arc surface structure, inner fixed ring 3 is equipped with air gap grid 9 with one side of concave muscle groove 6 laminating, air gap grid 9's inside is inlayed and is equipped with at least a set of air gap 11, concave muscle groove 6 is the right triangle concave muscle groove, the right angle limit of right triangle concave muscle groove and the laminating of the 3 outer walls of inner fixed ring, the bevel limit of right triangle concave muscle groove and the laminating of outer fixed ring 2's inner wall mutually, outer fixed ring 2's inner wall is formed with the inclined plane, the inclined plane is the acute angle with the contained angle of vertical face, and the angle of contained angle is not less than the oblique angle of air gap 11 edge angle and vertical face.

The working principle is as follows: when sword cutting ring 1 and ring cutter piece 10 are surely, be equipped with first guiding groove 7 and second guiding groove 8 and lead to ring cutter piece 10 in the one end of outer solid fixed ring 2 and inner fixed ring 3, avoid the damage of outer solid fixed ring 2 and inner fixed ring 3, make the accurate inside of cutting in groove 6 of ring cutter piece 10, groove 6 is the concave rib groove of right triangle, the right angle limit and the laminating of the 3 outer walls of inner fixed ring in the concave rib groove of right triangle, the bevel limit of the concave rib groove of right triangle laminates with the inner wall of outer solid fixed ring 2 mutually, the inner wall of outer fixed ring 2 is formed with the inclined plane, produce the extrusion stress to the inboard to ring cutter piece 10 under the effect of the edge of a knife tangent plane of inclined plane and ring cutter piece 10, avoid producing destruction to groove 6 and outer solid fixed ring 2 structure.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a sword cutter ring, includes sword cutter ring (1), spacing draw-in groove (4) and with the ring cutter blade (10) that sword cutter ring (1) closed, spacing draw-in groove (4) have been seted up to the bottom one end of sword cutter ring (1), spacing draw-in groove (4) are used for spacing its characterized in that to the joint of sword cutter ring (1): knife cut ring (1) is including outer fixed ring (2), internal fixation ring (3) and knife cut ring base (5), outer fixed ring (2) fixed connection is outside the up end of knife cut ring base (5), internal fixation ring (3) fixed connection is inboard at the up end of knife cut ring base (5), be formed with between outer fixed ring (2), internal fixation ring (3) and the knife cut ring base (5) concave muscle groove (6).

2. The knife ring of claim 1, wherein: the outer fixed ring (2) is provided with a first guide groove (7) at one end attached to the concave rib groove (6).

3. The knife ring of claim 2, wherein: and a second guide groove (8) is arranged at one end of the inner fixing ring (3) which is attached to the concave rib groove (6).

4. The knife ring of claim 3, wherein: the first guide groove (7) and the second guide groove (8) are of inclined surfaces or arc surface structures.

5. The knife ring of claim 1, wherein: one side that interior fixed ring (3) and concave muscle groove (6) laminating is equipped with air gap grid (9), the inside of air gap grid (9) is inlayed and is equipped with at least a set of air gap (11).

6. The knife ring of claim 1, wherein: the concave rib groove (6) is a right-angle triangular concave rib groove, the right-angle edge of the right-angle triangular concave rib groove is attached to the outer wall of the inner fixing ring (3), the oblique-angle edge of the right-angle triangular concave rib groove is attached to the inner wall of the outer fixing ring (2), and the inner wall of the outer fixing ring (2) is formed with an oblique plane.

7. The knife ring of any of claims 4 or 6, wherein: the included angle of inclined plane and vertical face is the acute angle, just the angle of included angle is not less than the oblique angle of air gap (11) edge of a knife angle and vertical face.

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