CN216090663U

CN216090663U - A clinical operation bone saw for orthopedics

Info

Publication number: CN216090663U
Application number: CN202122059423.9U
Authority: CN
Inventors: 诸良奎; 邓斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-22
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a bone saw for clinical operation of orthopedics department, which comprises a first cross beam, a second cross beam, an electric cutting saw and a base, wherein a sliding groove is formed in the first cross beam, one end of the sliding groove extends to the surface of one side of the first cross beam, and the second cross beam is connected with the inner wall of the sliding groove in a sliding manner. The bone saw can adjust the span per se, can be fixed with operating beds with different widths, can adjust the position of the saw blade after being fixed, improves the operation efficiency, solves the problem that the bone saw cannot be fixed with the operating beds with different widths because some existing bone saws cannot adjust the span per se, and solves the problem that the positions of the saw blades cannot be adjusted by some existing bone saws and once the positions of the saw blades are staggered with the amputation positions, medical staff are required to fix the saw blades again, so that the operation efficiency is influenced.

Description

A clinical operation bone saw for orthopedics

Technical Field

The utility model belongs to medical instruments, and particularly relates to a bone saw for clinical operation in orthopaedics.

Background

Bone saw is one of the most commonly used medical instruments and is the main tool for amputation through long-term clinical practice of bone surgery.

The utility model discloses a "novel bone saw for orthopedic doctor" as chinese patent number "CN 204562288U", this bone saw can be fixed with the operation table, the efficiency of operation has been improved, but this bone saw has the defect, it can't be adjusted self span, and it can't be fixed with the operation table of different width to cause bone saw itself, this bone saw is fixed the back with the operation table simultaneously, can't adjust the position of saw bit, in case the position that the saw bit was located takes place the dislocation with amputation position, then need medical personnel to fix again, and then influence the problem of operation efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a clinical operation bone saw for orthopedics, which adopts the technical scheme that: a clinical operation bone saw for orthopedics comprises a first cross beam, a second cross beam, an electric cutting saw and a base;

a sliding groove is formed in the first cross beam, one end of the sliding groove extends to the surface of one side of the first cross beam, the second cross beam is connected with the inner wall of the sliding groove in a sliding mode, a group of adjustable telescopic rods are connected to the bottom of the first cross beam in a bolted mode, and the bottom ends of the adjustable telescopic rods are fixed with the electric cutting saw;

the upper side and the lower side of the first cross beam are respectively provided with a positioning mechanism, one end of the first cross beam and one end of the second cross beam are respectively bolted with a first supporting column and a second supporting column, the top of the base is bolted with a shell, a moving block is arranged in the shell, and the bottom ends of the first cross beam and the second cross beam are respectively bolted with the surfaces of the moving blocks at the two sides;

the inner part of the shell is rotatably connected with a screw rod, the screw rod penetrates through the movable block and is in threaded connection with the inner wall of the penetrating position of the movable block, a plurality of compression springs are installed on the inner side of the base, a fixed plate is fixedly installed at the bottom ends of the compression springs, balls are installed at the bottom of the movable block, and the balls are in rolling connection with the inner wall of the shell.

The positioning mechanism comprises a positioning bolt, a rubber block and a threaded hole, the threaded hole penetrates through the surface of the first cross beam, the rubber block is bonded at one end, close to the first cross beam, of the positioning bolt, and the positioning bolt is in threaded connection with the inner wall of the threaded hole.

The material of block rubber is wear-resisting rubber, and the external diameter of block rubber is less than the internal diameter of screw hole.

The both sides at fixed plate top all are bolted connection to have the montant, the top of montant is run through to the top of base and bolted connection has the handle, and the inner wall sliding connection of montant and base department of running through.

And a bearing seat is embedded in the surface at the rear part of the shell, and the screw rod is bolted with the inner ring of the bearing seat.

The rear end of the screw rod is in bolted connection with a rotating block, and a deflector rod is welded on the surface of the rotating block.

The adjustable bone saw can adjust the span per se, can be fixed with operating beds with different widths, can adjust the position of the saw blade after being fixed, improves the operation efficiency, solves the problem that the existing bone saws can not adjust the span per se and can not be fixed with the operating beds with different widths, and solves the problem that the existing bone saws can not adjust the position of the saw blade and once the position of the saw blade is staggered with the amputation position, medical staff needs to fix the saw blade again to influence the operation efficiency.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of a portion of the present invention;

FIG. 2 is an elevational, cross-sectional view of the structure of the present invention;

FIG. 3 is a left side sectional view of a partial structure of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2;

fig. 5 is an enlarged view of a portion of the structure of fig. 3 at B according to the present invention.

Reference numerals:

1-a first beam; 2-a second beam; 3-adjustable telescopic rod; 4, electric cutting and sawing; 5-a chute; 6-a first support column; 7-a second support column; 8-a shell; 9-moving block; 10-a screw; 11-a base; 12-a compression spring; 13-fixing the plate; 14-a positioning mechanism; 141-a positioning bolt; 142-a rubber block; 143-threaded hole; 15-vertical rod; 16-a handle; 17-a turning block; 18-a deflector rod; 19-a bearing seat; 20-ball bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In order to effectively explain embodiments of the present invention, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The bone saw for clinical operation of orthopedics department provided by the embodiment of the utility model comprises a first cross beam 1, a second cross beam 2, an electric cutting saw 4 and a base 11, wherein a sliding groove 5 is formed in the first cross beam 1, one end of the sliding groove 5 extends to the surface of one side of the first cross beam 1, the second cross beam 2 is connected with the inner wall of the sliding groove 5 in a sliding manner, a group of adjustable telescopic rods 3 are bolted to the bottom of the first cross beam 1, and the bottom ends of the adjustable telescopic rods 3 are mutually fixed with the electric cutting saw 4.

The upper side and the lower side of the first cross beam 1 are respectively provided with a positioning mechanism 14, one end of the first cross beam 1 and one end of the second cross beam 2 are respectively bolted with a first supporting column 6 and a second supporting column 7, the top of the base 11 is bolted with a shell 8, a moving block 9 is arranged inside the shell 8, and the bottom ends of the first cross beam 1 and the second cross beam 2 are respectively bolted with the surfaces of the moving blocks 9 on the two sides.

The inside of casing 8 rotates and is connected with screw rod 10, and screw rod 10 runs through movable block 9 and rather than the inner wall threaded connection who runs through the department, and a plurality of compression spring 12 is installed to the inboard of base 11, and compression spring 12's bottom fixed mounting has fixed plate 13, and ball 20 is installed to the bottom of movable block 9, and ball 20 and the inner wall rolling connection of casing 8.

The positioning mechanism 14 includes a positioning bolt 141, a rubber block 142 and a threaded hole 143, the threaded hole 143 penetrates through the surface of the first beam 1, the rubber block 142 is adhered to one end of the positioning bolt 141 close to the first beam 1, and the positioning bolt 141 is in threaded connection with the inner wall of the threaded hole 143, through the arrangement of the positioning bolt 141, the rubber block 142 and the threaded hole 143, after the position of the second beam 2 is adjusted, the positioning bolt 141 is rotated and the rubber block 142 is tightly attached to the surface of the second beam 2, and at this time, the second beam 2 can be fixed through the friction force between the rubber block 142 and the second beam 2.

The material of rubber block 142 is wear-resisting rubber, and the external diameter of rubber block 142 is less than the internal diameter of screw hole 143, and the external diameter through designing rubber block 142 is less than the internal diameter of screw hole 143, and it can avoid rubber block 142 and the inner wall of screw hole 143 to take place the friction and cause wearing and tearing.

The both sides at fixed plate 13 top all are bolted to have montant 15, and the top of montant 15 runs through to the top of base 11 and bolted connection has handle 16, and montant 15 and the inner wall sliding connection of base 11 department of running through, through montant 15 and handle 16's setting, pulling handle 16 alright drive fixed plate 13 through montant 15 and remove.

The surface of casing 8 rear side inlays and is equipped with bearing frame 19, and screw rod 10 and the inner circle bolt of bearing frame 19, through the setting of bearing frame 19, it can increase the stability of screw rod 10 in the rotation process.

The rear end of screw rod 10 has bolted connection and has turned block 17, and the skin weld of turned block 17 has driving lever 18, through the setting of turned block 17 and driving lever 18, makes things convenient for medical personnel to rotate screw rod 10 to the effect of adjusting the position of electric saw is realized.

When the bone saw is used, the second cross beam 2 is pulled to enable the distance between the first support column 6 and the second support column 7 to be larger than the width of an operating bed, the handle 16 on one side is pulled to enable the fixing plate 13 to ascend, the compression spring 12 is in a compression state, the base 11 on the side is moved to enable the operating bed to be placed on the inner side, then the handle 16 is loosened, the fixing plate 13 is attached to the surface of the operating bed under the counter-acting force of the compression spring 12, the base 11 on the other side is moved at the same time, the handle 16 is pulled to drive the second support column 7 and the second cross beam 2 to move together until the operating bed is located in the base 11 on the side, then the handle 16 is loosened, the positioning bolt 141 is rotated to enable the rubber block 142 to be attached to the surface of the second cross beam 2, at the moment, the second cross beam 2 can be fixed through the friction force between the rubber block 142 and the second cross beam 2, and the bone saw is fixed with the operating bed through the bases 11 on the two sides, simultaneously can adjust the span of crossbeam, be applicable to the operation table of different width. If the position of the saw blade needs to be adjusted, firstly, the rotating block 17 is rotated through the deflector rods 18 on the two sides, the screw rods 10 on the two sides start to rotate, then the moving blocks 9 on the two sides move forwards or backwards under the action of the threads, and drive the first supporting column 6, the second supporting column 7, the first cross beam 1, the second cross beam 2 and the electric cutting saw 4 to move together until the electric cutting saw 4 is positioned above the amputation position, in the process, the bone saw can be fixed with an operating table, the position of the saw blade can be adjusted forwards and backwards, and the operation efficiency is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a clinical operation bone saw for orthopedics, includes first crossbeam (1), second crossbeam (2), electronic saw (4) and base (11) of cutting, its characterized in that:

a sliding groove (5) is formed in the first cross beam (1), one end of the sliding groove (5) extends to the surface of one side of the first cross beam (1), the second cross beam (2) is connected with the inner wall of the sliding groove (5) in a sliding mode, a group of adjustable telescopic rods (3) are connected to the bottom of the first cross beam (1) in a bolted mode, and the bottom ends of the adjustable telescopic rods (3) and the electric cutting saw (4) are fixed to each other;

positioning mechanisms (14) are arranged on the upper side and the lower side of the first cross beam (1), one ends of the first cross beam (1) and the second cross beam (2) are respectively bolted with a first supporting column (6) and a second supporting column (7), the top of the base (11) is in bolted connection with a shell (8), a moving block (9) is arranged inside the shell (8), and the bottom ends of the first cross beam (1) and the second cross beam (2) are respectively bolted with the surfaces of the moving blocks (9) on the two sides;

a screw rod (10) is rotatably connected to the inside of the shell (8), the screw rod (10) penetrates through the movable block (9) and is in threaded connection with the inner wall of the penetrating position of the movable block, a plurality of compression springs (12) are installed on the inner side of the base (11), a fixing plate (13) is fixedly installed at the bottom ends of the compression springs (12), balls (20) are installed at the bottom of the movable block (9), and the balls (20) are in rolling connection with the inner wall of the shell (8);

the positioning mechanism (14) comprises a positioning bolt (141), a rubber block (142) and a threaded hole (143), the threaded hole (143) penetrates through the surface of the first cross beam (1), the rubber block (142) is adhered to one end, close to the first cross beam (1), of the positioning bolt (141), and the positioning bolt (141) is in threaded connection with the inner wall of the threaded hole (143).

2. A clinical surgical bone saw for orthopedics according to claim 1, characterized in that: the rubber block (142) is made of wear-resistant rubber, and the outer diameter of the rubber block (142) is smaller than the inner diameter of the threaded hole (143).

3. A clinical surgical bone saw for orthopedics according to claim 1, characterized in that: the both sides at fixed plate (13) top all are bolted connection has montant (15), the top of montant (15) is run through to the top of base (11) and bolted connection has handle (16), and montant (15) and base (11) run through the inner wall sliding connection of department.

4. A clinical surgical bone saw for orthopedics according to claim 1, characterized in that: a bearing seat (19) is embedded in the surface behind the shell (8), and the screw rod (10) is bolted with the inner ring of the bearing seat (19).

5. A clinical surgical bone saw for orthopedics according to claim 1, characterized in that: the rear end of the screw rod (10) is in bolted connection with a rotating block (17), and a deflector rod (18) is welded on the surface of the rotating block (17).