CN215458379U - Bionic multi-plane gear grinding medical orthopedic saw blade - Google Patents

Abstract

The utility model discloses a bionic medical orthopedic saw blade with multiple plane grinding teeth, which relates to the technical field of medical instruments and comprises a saw blade body and a cutting body integrally arranged at the front end of the saw blade body, wherein a plurality of sawteeth which are distributed in a double-row inclined staggered manner are arranged at the front end of the cutting body, a first grinding surface, a second grinding surface and a third grinding surface which are sequentially connected are arranged on the surface of a single sawtooth, and a first chip discharge groove and a second chip discharge groove are sequentially arranged at the joint of the saw blade body and the cutting body from front to back. The bone cutting machine has the advantages of high cutting performance, strong cutting capability, high surgical cutting efficiency, capability of effectively reducing heat generated by cutting, capability of avoiding secondary damage to a patient, smooth bone fragment discharge, high overall strength, long service life, simple structure and convenience in installation.

Description

Bionic multi-plane gear grinding medical orthopedic saw blade

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a bionic multi-plane gear grinding medical orthopedic saw blade.

Background

With the rapid development of the clinical medical industry in China, various osteotomy operations are more and more in clinical work, especially complex bone reconstruction operations such as artificial joint replacement operations, the requirements on tools are higher, the success of the osteotomy operations depends on the osteotomy tools to a great extent, various orthopedic saw blades are widely used in the osteotomy operations and bone cutting technologies, the existing orthopedic saw blades cannot realize accurate cutting when in use, the cutting efficiency is low, the friction time between the saw blades and bones is long in the cutting process, the heat generated by the saw blades is too much, the phenomenon of thermal necrosis of bone cells can be caused by overhigh temperature, the operation process and the postoperative recovery are influenced, bone chips generated by cutting cannot be smoothly discharged, and the operation process is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a bionic medical orthopedic saw blade with multi-plane grinding teeth, which has the advantages of high cutting performance, accurate cutting, reasonable control of cutting heat, smooth bone chip discharge, high cutting efficiency and long service life.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a medical orthopedics saw bit of bionical many planes gerar grinding, includes saw bit body and integrative cutting body that sets up at saw bit body front end, and cutting body front end is provided with a plurality of sawtooth that are the crisscross distribution of double slope, and the sawtooth surface is provided with consecutive first polished surface, second polished surface and third polished surface, and the handing-over department with cutting body begins to set gradually first chip groove and second chip groove from the past backward on the saw bit body.

By adopting the structure, the cutting force of the double-row distributed sawteeth is large, the cutting is quick, the cutting operation time can be effectively shortened, the single sawteeth are provided with three grinding surfaces, the cutting is smooth and labor-saving, the sawing seam precision is high, the first chip grooves and the second chip grooves facilitate the discharge of bone chips, the contact area with bones is reduced, the frictional heating is reduced, the secondary damage caused by the overhigh cutting temperature is avoided, the structural strength of the integrated forming is high, the service life is long, and the processing is simple.

Preferably, a plurality of saw teeth are symmetrically distributed along the longitudinal central axis of the saw blade body, and the symmetrically distributed saw teeth are utilized to ensure the balance of cutting during swinging cutting and ensure the cutting effect.

Preferably, the thickness of the cutting body is smaller than that of the saw blade body, so that the cutting efficiency is improved, and bone fragments can be conveniently discharged.

Preferably, the rear end of the saw blade body is provided with a reference hole and an open slot, the reference hole is communicated with the open slot, a plurality of driving holes which are uniformly distributed are concentrically arranged on the periphery of the reference hole, the accuracy of installation is guaranteed by the aid of the reference hole, the open slot is convenient to install, the driving holes which are uniformly distributed along the circumference guarantee that stress is uniform, driving is stable, and cutting is safe and rapid.

Preferably, the saw blade body is provided with scale marks, and the cutting depth can be conveniently observed by utilizing the scale marks.

Preferably, the first chip removal groove is of an inverted isosceles trapezoid structure, and the second chip removal groove is of an inverted isosceles triangle structure, so that the bone chips can be conveniently removed, and the chip removal efficiency is improved.

In conclusion, the utility model has the advantages of high cutting performance, strong cutting capability, high surgical cutting efficiency, capability of effectively reducing heat generated by cutting, capability of avoiding secondary damage to patients, smooth bone fragment discharge, high overall strength, long service life, simple structure and convenience for installation.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic diagram of the right-view structure of the present invention;

FIG. 4 is an enlarged schematic view of FIG. 1 at A according to the present invention;

fig. 5 is an enlarged schematic view of the utility model at B of fig. 3.

In the figure: 1. a saw blade body; 2. cutting the body; 3. saw teeth; 4. a first grinding surface; 5. a second grinding surface; 6. grinding the surface; 7. a first chip discharge groove; 8. a second chip groove; 9. a reference hole; 10. a drive aperture; 11. scale lines; 12. an open slot.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings.

Referring to fig. 1-5, a bionic medical orthopedic saw blade with multiple plane teeth grinding comprises a saw blade body 1, a cutting body 2 is integrally formed at the front end of the saw blade body 1, the thickness of the cutting body 2 is smaller than that of the saw blade body 1, so that the cutting efficiency is high, the bone gap is smoother, the precision of the bone gap is high, and the bone fragments are conveniently discharged, the integral structure has high overall strength and long service life, a reference hole 9, an open slot 12 and a plurality of driving holes 10 are processed at the rear end of the saw blade body 1, the reference hole 9 is used for improving the mounting accuracy, the structural forms of the reference hole 9 and the open slot 12 can be specifically processed according to different swing saws, the application range is wide, the mounting is convenient, the mounting efficiency is high, the operation time can be shortened, the plurality of driving holes 10 are uniformly distributed on the periphery of the reference hole 9 and are distributed with the same center as the reference hole 9, the stress is more uniform during the operation, the driving is stable, a plurality of sawteeth 3 which are symmetrically distributed by taking the longitudinal central axis of the saw blade body 1 as a symmetric center are processed at the front end of the cutting body 2, the sawteeth 3 are symmetrically distributed, so that the sawteeth 3 participate in the operation in a swinging way during the cutting, the cutting is balanced, the cutting efficiency is high, the sawteeth 3 are distributed in a double-row inclined staggered way, the cutting force of the double-row sawteeth 3 is large, the cutting is quick, the surface of each single sawtooth 3 is processed with a first grinding surface 4, a second grinding surface 5 and a third grinding surface 6 which are sequentially connected, the cutting is smooth and labor-saving, an inverted isosceles trapezoid-shaped first chip discharge groove 7 and an inverted isosceles triangle-shaped second chip discharge groove 8 are sequentially processed on the saw blade body 1 from front to back, the inverted structure is convenient for collecting bone chips, the front end of the first chip discharge groove 7 extends to the cutting body 2 with small thickness, and the bone chips are conveniently discharged to the first chip discharge groove 7 from the cutting body 2, the first chip groove 7 and the second chip groove 8 at the joint of the saw blade body 1 and the cutting body 2 can also reduce the contact area with bones, reduce heat generated by friction during cutting, avoid secondary damage caused by overhigh cutting temperature, and scale marks 11 are further processed on the saw blade body 1, so that an operator can observe the cutting depth through the scale marks 11, and the operation safety is improved.

When the double-row zigzag saw is used, the double-row zigzag saw is arranged on the swing saw through the reference hole 9, is in driving connection with the swing saw through the driving hole 10, starts the swing saw to drive the double-row zigzag saw to work, has large cutting force and fast cutting speed due to the double-row zigzag distributed saw teeth 3, ensures that the cutting is smoother due to the multi-grinding-surface structure on the single saw tooth 3, and ensures that bone chips generated by cutting are backwards discharged into the first chip discharge groove 7 and the second chip discharge groove 8 from the cutting body 2 to be collected and discharged.

It should be noted that the oscillating saw described in the embodiments of the present invention is a prior art application.

In the description of this patent, it is to be understood that the terms "upper," "lower," "inner," "outer," "center," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "combined," "disposed," "connected," "secured," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, releasably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

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 (6)

1. The utility model provides a medical orthopedics saw bit of bionical many planes gerar grinding which characterized in that: set up including saw bit body (1) and an organic whole the cutting body (2) of saw bit body (1) front end, cutting body (2) front end is provided with a plurality of sawtooth (3) that are the crisscross distribution of double slope, sawtooth (3) surface is provided with consecutive first flour (4), second flour (5) and third flour (6), and the handing-over department of cutting body (2) on saw bit body (1) begins to set gradually first chip groove (7) and second chip groove (8) from the past backward with cutting.

2. The biomimetic multi-plane molar medical orthopedic saw blade according to claim 1, characterized in that: the saw teeth (3) are symmetrically distributed on the longitudinal central axis of the saw blade body (1).

3. The biomimetic multi-plane molar medical orthopedic saw blade according to claim 2, characterized in that: the thickness of the cutting body (2) is smaller than that of the saw blade body (1).

4. The biomimetic multi-plane molar medical orthopedic saw blade according to claim 3, characterized in that: the saw blade is characterized in that a reference hole (9) and an open slot (12) are formed in the rear end of the saw blade body (1), the reference hole (9) is communicated with the open slot (12), and a plurality of driving holes (10) which are uniformly distributed are concentrically arranged on the periphery of the reference hole (9).

5. The biomimetic multi-plane molar medical orthopedic saw blade according to claim 4, characterized in that: the saw blade body (1) is provided with scale marks (11).

6. The biomimetic multi-plane molar medical orthopedic saw blade according to claim 5, characterized in that: the first chip groove (7) is of an inverted isosceles trapezoid structure, and the second chip groove (8) is of an inverted isosceles triangle structure.

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