CN209695303U - A kind of fish maw type bidentate bone-cutting saw - Google Patents

Abstract

The utility model discloses a kind of fish maw type bidentate bone-cutting saws, it is related to medical equipment technical field, including handle, the right side of the handle is provided with moving tube, and moving tube is internally provided with knife handle, the right side of knife handle is fixedly connected with blade, the one side of blade is fixedly connected with the first sawtooth, and the bottom surface of blade is fixedly connected with the second sawtooth, and the second sawtooth and the cross-shaped arrangement of the first sawtooth, the upper surface of knife handle opens up fluted with bottom surface, and the inside of handle offers cavity.The fish maw type bidentate bone-cutting saw, the groove being arranged by cutter head, knife handle can be made to be connected on handle convenient, improve the convenience of cross cut saw bone when in use, pass through the cooperation of the first sawtooth and the second sawtooth that blade is arranged, the broken bone amputated can be taken out of, improve the cleaning of bone-cutting saw when in use, solve the problems, such as there is broken bone not enough to clean when bone-cutting saw not sharp enough when in use and saw bone.

Description

A kind of fish maw type bidentate bone-cutting saw

Technical field

The utility model relates to the field of medical instrument technology, specially a kind of fish maw type bidentate bone-cutting saw.

Background technique

Saw divides two chain saw of pit saw small saw, and fish maw saw, circular saw, handsaw hacksaw knife saw is maximum 3-4 meters long, big stone implement The people in dynasty can cut various articles with their flint knife and flint axe, but very early when they find that, with a kind of dentation In other words with the serrate edge of a knife, it is easier to hard material cut open come.

As the development saw blade of science and technology is used in various fields, there is a kind of fish maw type osteotomy in medical instrument Saw, but existing fish maw type bone-cutting saw only has monodentate type bone-cutting saw, monodentate type bone-cutting saw not enough it is sharp it is deep have broken bone residue, It generally requires manually to pull bone-cutting saw to be handled repeatedly, provides a kind of fish maw type bidentate bone-cutting saw thus, improve bone-cutting saw It is practical.

Utility model content

The purpose of the utility model is to provide a kind of fish maw type bidentate bone-cutting saw, broken bone can be taken out of when having saw bone and Easy to operate advantage solves the problems, such as that existing bone-cutting saw has broken bone residue and operates laborious.

The utility model is in order to solve the above technical problems, provide the following technical solutions: a kind of fish maw type bidentate bone-cutting saw, packet Handle is included, the right side of the handle is provided with moving tube, and the moving tube is internally provided with knife handle, the right side of the knife handle Face is fixedly connected with blade, and the one side of the blade has been respectively fixedly connected with the first sawtooth and the second sawtooth, and the second sawtooth With the cross-shaped arrangement of the first sawtooth, the upper surface of the knife handle opens up fluted with bottom surface, and the inside of the handle opens up There is cavity, the inside of the cavity is fixedly connected with fixed plate, and the left side of the fixed plate is fixedly connected with storage source, described The right side of fixed plate is fixedly connected with clockwise and anticlockwise motor, and the output end of the clockwise and anticlockwise motor is fixedly connected with threaded rod, institute The inside for stating cavity is fixedly connected with connecting plate, and the left side fixation of the connecting plate is inlaid with bearing, the right side of the threaded rod End is fixedly connected with the inner ring of bearing, and the outer surface thread of the threaded rod is connected with loop coil, the upper surface and bottom of the loop coil Face is fixedly connected to catch bar, and the right end of each catch bar runs through connecting plate and extends to the right side of connecting plate, institute The inside for stating cavity is opened up there are two symmetrical sliding slot.

Further, the left side of the handle is electrically connected with controller, and the inside of the moving tube is fixedly connected with Two symmetrical convex blocks.

By using above-mentioned technical proposal, keep staff easy to use using controller control handle push-and-pull saw osteotome, Stick into knife handle using convex block convenient and efficient inside handle.

Further, the outer surface of the handle is fixedly connected with the anti-slip layer being spaced substantially equidistant, and the quantity of anti-slip layer At least three.

By using above-mentioned technical proposal, increase staff, using anti-slip layer, by hand and handle when using osteotome is sawed Between frictional force, improve saw osteotome use when stablize.

Further, the upper surface with bottom surface of the moving tube are fixedly connected to sliding block compatible with sliding slot, and sliding Block is slidably connected at the inside of sliding slot.

By using above-mentioned technical proposal, makes to saw when osteotome uses more smoothly using clockwise and anticlockwise motor in push-and-pull, mention The high practicability of saw osteotome.

Compared with prior art, the fish maw type bidentate bone-cutting saw have it is following the utility model has the advantages that

1, the groove that the utility model is arranged by cutter head can be such that knife handle is connected on handle convenient, improve cross cut saw The convenience of bone when in use, by the cooperation of the first sawtooth and the second sawtooth that blade is arranged, when bone-cutting saw can be made to use It is sharper, the broken bone amputated can be taken out of, improve the cleaning of bone-cutting saw when in use, solve bone-cutting saw and using When not enough it is sharp and saw bone when have the problem of broken bone not enough cleans.

2, the controller and anti-slip layer that the utility model is arranged by handle cooperate, and handle can be made to use control more It is convenient, by the effect of protective layer, bone-cutting saw stable advantage in use is improved, passes through what clockwise and anticlockwise motor was arranged The cooperation of threaded rod, loop coil, catch bar, sliding slot and sliding block, can bone-cutting saw move left and right when in use conveniently, by sliding slot and The effect of sliding block effectively changes the drawbacks of sawing bone manually, more saving manpower, and operation is more convenient, improves bone-cutting saw Smooth stable advantage in use solves the problems, such as unstable in bone-cutting saw use process.

Detailed description of the invention

Fig. 1 is the front view of the utility model handle；

Fig. 2 is the front view of the utility model knife handle；

Fig. 3 is the cross-sectional view of the utility model handle front view；

Fig. 4 is structure enlargement diagram at A in the utility model Fig. 3.

In figure: 1- handle, 2- anti-slip layer, 3- controller, 4- moving tube, 5- knife handle, 6- blade, 7- groove, 8- first are sawed Tooth, the second sawtooth of 9-, 10- cavity, 11- fixed plate, 12- clockwise and anticlockwise motor, 13- sliding slot, 14- sliding block, 15- convex block, 16- connection Plate, 18- threaded rod, 19- loop coil, 20- catch bar, 21- storage source.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of fish maw type bidentate bone-cutting saw, including handle 1, the right side of handle 1 is provided with moving tube 4, and moving tube 4 is internally provided with knife handle 5, and the right side of knife handle 5 is fixedly connected with Blade 6, the one side of blade 6 have been respectively fixedly connected with the first sawtooth 8 and the second sawtooth 9, and the second sawtooth 9 and the first sawtooth 8 Cross-shaped arrangement, the upper surface and bottom surface of knife handle 5 open up fluted 7, and the inside of handle 1 offers cavity 10, cavity 10 Inside be fixedly connected with fixed plate 11, the left side of fixed plate 11 is fixedly connected with storage source 21, and the outer surface of handle 1 is fixed The charging jack to match with storage source 21 is installed, can be charged repeatedly to storage source 21, charging jack and storage source 21 are electrically connected using electric wire, and the mounting means of charging jack is the prior art, and the right side of fixed plate 11 is fixedly connected with positive and negative Rotating motor 12, clockwise and anticlockwise motor 12 are slow type positive and negative rotation clockwise and anticlockwise motor, and the output end of clockwise and anticlockwise motor 12 is fixedly connected with Threaded rod 18, the inside of cavity 10 are fixedly connected with connecting plate 16, and the left side fixation of connecting plate 16 is inlaid with bearing 17, screw thread The right end of bar 18 is fixedly connected with the inner ring of bearing 17, and the outer surface thread of threaded rod 18 is connected with loop coil 19, loop coil 19 it is upper Surface and bottom surface are fixedly connected to catch bar 20, and the right end of each catch bar 20 runs through connecting plate 16 and extends to connecting plate 16 right side, the inside of cavity 10 are opened up there are two symmetrical sliding slot 13.

Further, the left side of handle 1 is electrically connected with controller 3, and the inside of moving tube 4 is fixedly connected with that there are two phases Symmetrical convex block 15 keeps staff easy to use using 3 control handle 1 of controller push-and-pull saw osteotome, makes knife using convex block 15 It is convenient and efficient that handle 5 sticks into 1 inside of handle.

Further, the outer surface of handle 1 is fixedly connected with the anti-slip layer 2 being spaced substantially equidistant, and the quantity of anti-slip layer 2 is extremely It is three few, so that staff, using anti-slip layer 2, is increased the frictional force between hand and handle 1 when using osteotome is sawed, is improved saw Stablize when osteotome uses.

Further, the upper surface with bottom surface of moving tube 4 are fixedly connected to sliding block 14 compatible with sliding slot 13, and sliding Block 14 is slidably connected at the inside of sliding slot 13, makes to saw when osteotome uses more smoothly using clockwise and anticlockwise motor 12 in push-and-pull, mention The high practicability of saw osteotome.

In the utility model clockwise and anticlockwise motor 12, anti-slip layer 2 and controller 3 be the extensive utilization that has disclosed with it is daily The known technology of life, it is selected anti-skidding sand that anti-slip layer 2, which is a kind of, and rubber and plastic is antiskid fibrous and without sand special type anti-slip material, positive and negative Rotating motor 12 refers to that a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction, its main function are to produce Raw driving torque is able to carry out as electrical appliance or the power source of various machinery and rotates in the forward direction and reversely rotate, clockwise and anticlockwise motor 12 equipment being well known from, controller 3 are the control buttons to match with clockwise and anticlockwise motor 12, generally can with it is positive and negative The mating installation of rotating motor 12.

Handle 5 is inserted into moving tube 4 in use, holding knife handle 5, and using on the convex block 15 and knife handle 5 in moving tube 4 Groove 7 carry out plug-in fastening, clockwise and anticlockwise motor 12 and storage source 21 are electrically connected, opened using controller 3 positive and negative Rotating motor 12 rotates, and clockwise and anticlockwise motor 12 will drive threaded rod 18 and be rotated, and loop coil 19 at this time can be enterprising in threaded rod 18 Row moves horizontally, and thrust when mobile using loop coil 19 can push catch bar 20 to be moved, catch bar 20 will drive moving tube Sliding block 14 on 4 is steadily moved in sliding slot 13, just can be controlled knife handle 5 using the positive and negative rotation of clockwise and anticlockwise motor 12 and be stretched Contracting movement, so as to drive the first sawtooth 8 on knife handle 5 and the second sawtooth 9 to carry out sawing operation repeatedly, the first saw to bone Tooth 8 and the second sawtooth 9 are cross-shaped, when saw is cut repeatedly, can take broken bone out of, cleaning effect is preferable, anti-using electrodynamic type The drawbacks of multiple saw section is handled, and effectively changes saw bone manually, more saving manpower, operation is more convenient, improves bone-cutting saw Smooth stable advantage in use solves the problems, such as unstable in bone-cutting saw use process.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of fish maw type bidentate bone-cutting saw, including handle (1), it is characterised in that: the right side of the handle (1) is provided with shifting Dynamic pipe (4), the moving tube (4) are internally provided with knife handle (5), and the right side of the knife handle (5) is fixedly connected with blade (6), the one side of the blade (6) has been respectively fixedly connected with the first sawtooth (8) and the second sawtooth (9), and the second sawtooth (9) with First sawtooth (8) cross-shaped arrangement, the upper surface and bottom surface of the knife handle (5) open up fluted (7), the handle (1) Inside offer cavity (10), the inside of the cavity (10) is fixedly connected with fixed plate (11), the fixed plate (11) Left side is fixedly connected with storage source (21), and the right side of the fixed plate (11) is fixedly connected with clockwise and anticlockwise motor (12), institute The output end for stating clockwise and anticlockwise motor (12) is fixedly connected with threaded rod (18), and the inside of the cavity (10) is fixedly connected with connection The left side fixation of plate (16), the connecting plate (16) is inlaid with bearing (17), the right end and bearing of the threaded rod (18) (17) inner ring is fixedly connected, and the outer surface thread of the threaded rod (18) is connected with loop coil (19), the loop coil (19) it is upper Surface and bottom surface are fixedly connected to catch bar (20), and the right end of each catch bar (20) runs through connecting plate (16) and prolongs Extend to the right side of connecting plate (16), the inside of the cavity (10) opens up that there are two symmetrical sliding slots (13).

2. a kind of fish maw type bidentate bone-cutting saw according to claim 1, it is characterised in that: the left side of the handle (1) It is electrically connected with controller (3), the inside of the moving tube (4) is fixedly connected there are two symmetrical convex block (15).

3. a kind of fish maw type bidentate bone-cutting saw according to claim 1, it is characterised in that: the outer surface of the handle (1) It is fixedly connected with the anti-slip layer (2) being spaced substantially equidistant, and the quantity of anti-slip layer (2) at least three.

4. a kind of fish maw type bidentate bone-cutting saw according to claim 1, it is characterised in that: the upper table of the moving tube (4) Face and bottom surface are fixedly connected to and sliding slot (13) compatible sliding block (14), and sliding block (14) is slidably connected at sliding slot (13) It is internal.