CN207506616U - A kind of orthopaedics cuts device - Google Patents

Abstract

The utility model discloses an orthopedic cutting device, which belongs to the technical field of medical equipment and comprises a knife handle, a blade and a fixing frame. There is a first rectangular blind hole, a protrusion is provided in the middle of the groove, a second rectangular blind hole is provided on the lower side wall of the protrusion, a through hole is provided in the blade, an insert is connected to the lower end of the through hole, and a blade is provided at the lower right end of the blade. The fixing frame includes a splint, the splint is connected with a first screw rod, the first screw rod is connected with a handle and a fixed plate, the upper surfaces of the two splints are provided with height gauges, and the middle parts of the upper surfaces of the two splints are connected with a second screw rod. Hand-tightened nuts are connected, a cross bar is connected between the two second screw rods, a rectangular groove is opened on the upper surface of the cross bar, and a rectangular through hole is opened on the bottom of the rectangular slot. The utility model can not only adjust the cutting depth according to needs, but also is easy to replace the blade and is convenient to use.

Description

An orthopedic cutting device

technical field

The utility model belongs to the technical field of medical instruments, in particular to an orthopedic cutting device.

Background technique

Clinically, the selection of surgical instruments is extremely important for the successful completion of the operation, and the instruments required for the entire surgical process should be properly prepared before the operation. There are many different conditions in clinical orthopedics, such as: fractures, dislocations, arthritis, congenital deformations, tumors, degenerative diseases, etc. Some conditions can be treated conservatively, such as medication or rehabilitation, but some conditions still need active treatment. Treatment methods can achieve the purpose of improvement, such as surgical treatment, replacement or transplantation. At present, in orthopedic surgery, due to the complexity and variety of injuries, different methods of surgery are required, and a large number of different surgical instruments must be prepared, including scalpels. During surgery, it is sometimes necessary to keep the cutting depth consistent. When doctors use existing scalpels for cutting, they generally rely on experience, which leads to inconsistent cutting depths and affects the surgical effect.

Utility model content

The purpose of the utility model is to provide an orthopedic cutting device, which not only can adjust the cutting depth according to the needs, but also can replace the blade easily, is convenient to use, and satisfies the needs of the operation well.

For realizing above-mentioned technical purpose, the technical scheme that the utility model adopts is as follows:

An orthopedic cutting device, comprising a knife handle, a blade and a fixing frame, the front and rear surfaces of the lower part of the knife handle are provided with support blocks, the lower end of the front surface of the knife handle is provided with a groove, and the upper side wall of the groove is provided with There is a first rectangular blind hole, a protrusion is provided in the middle of the groove, and a second rectangular blind hole is opened on the lower side wall of the protrusion. The blade is installed in the groove, and the blade is provided with a through hole. The lower end of the through hole is connected with an insertion piece, the lower right end of the blade is provided with a blade, the fixed frame includes two symmetrically arranged splints with a concave structure, the front surface of the splint is provided with a threaded hole, and the threaded hole is connected There is a first screw rod, the front end of the first screw rod is connected with a handle, the rear end of the first screw rod is connected with a fixed plate, the outer surface of the two splints is provided with a height gauge, and the middle of the upper surface of the two splints is A second screw rod is connected, and a thumb nut is connected to the second screw rod, and a cross bar is connected between the two second screw rods, and the lower surface of the cross bar is in contact with the upper surface of the thumb nut, and the cross bar Empty sleeves on two second screw rods, a rectangular slot is opened on the upper surface of the cross bar, a rectangular through hole is opened at the bottom of the rectangular slot, the handle of the knife passes through the rectangular through hole, and the support block is set in the rectangular slot Inside.

The utility model adopting this technical solution, when in use, first align the through hole with the protrusion, then put the blade into the groove, and then push the blade upwards so that the upper end of the blade is inserted into the first rectangular blind hole, and at the same time, the insert is inserted into the second blind hole. In the second rectangular blind hole, the purpose of fixing the blade on the handle is achieved. When the blade needs to be removed, follow the reverse steps; by turning the handle, the fixing frame is fixed at the corresponding position that needs to be operated, and then the handle Insert it into the rectangular through hole so that the support block is set in the rectangular slot, and finally adjust the lower end of the blade to the required height by hand-tightening the nut and the height gauge, so that the handle and the blade can be moved in the rectangular slot to achieve the desired height. The required height is used for cutting purposes; the handle and blade can also be removed from the holder as required, and the handle can be directly held by the handle to use the blade for cutting. Such a structural design not only can adjust the cutting depth as required, but also is easy to replace the blade and easy to use, which satisfies the needs of the operation well.

Further defined, the upper end of the blade is provided with a chamfer. Such a structural design facilitates inserting the upper end of the blade into the first rectangular blind hole, and the guiding effect is good.

Further defined, the support block is a rectangular sheet structure. Such structural design is simple in structure and convenient in processing.

It is further defined that the surface of the handle is provided with anti-skid lines. Such a structural design increases the frictional force when holding and improves the accuracy of cutting.

Further defined, the handle is a cylindrical structure. Such a structural design increases the comfort when holding and facilitates rotation.

Description of drawings

The utility model can be further illustrated by the non-limitative embodiments provided by the accompanying drawings;

Fig. 1 is a schematic structural view of an embodiment of an orthopedic cutting device of the present invention;

Fig. 2 is a top view structural schematic diagram of an embodiment of an orthopedic cutting device of the present invention;

Fig. 3 is a schematic diagram of the front view of the assembly of the knife handle and the blade in an embodiment of the orthopedic cutting device of the present invention;

Fig. 4 is a left view structural diagram of the assembly of the knife handle and the blade in an embodiment of the orthopedic cutting device of the present invention;

Fig. 5 is a structural schematic diagram of a knife handle in an embodiment of an orthopedic cutting device of the present invention;

Fig. 6 is a schematic diagram of the front structure of the blade in an embodiment of an orthopedic cutting device of the present invention;

The main component symbols are explained as follows:

Knife handle 1, support block 11, groove 12, first rectangular blind hole 13, protrusion 14, second rectangular blind hole 15, anti-skid pattern 16, blade 2, through hole 21, insert 22, blade 23, splint 31 , the first screw rod 32, handle 33, fixed plate 34, height gauge 35, second screw rod 36, thumb nut 37, cross bar 38, rectangular groove 39, rectangular through hole 310.

Detailed ways

In order to enable those skilled in the art to better understand the utility model, the technical solution of the utility model will be further described below in conjunction with the drawings and embodiments.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of orthopedic cutting device of the present utility model comprises a knife handle 1, a blade 2 and a fixed frame, and the front and rear surfaces of the knife handle 1 bottom are Both are provided with a support block 11, the lower end of the front surface of the handle 1 is provided with a groove 12, the upper side wall of the groove 12 is provided with a first rectangular blind hole 13, the middle part of the groove 12 is provided with a protrusion 14, and the lower side wall of the protrusion 14 There is a second rectangular blind hole 15, the blade 2 is installed in the groove 12, the blade 2 is provided with a through hole 21, the lower end of the through hole 21 is connected with an insert 22, the lower right end of the blade 2 is provided with a blade 23, and the fixed frame includes symmetrically arranged Two splints 31 of concave structure, the front surface of the splint 31 is provided with a threaded hole, the threaded hole is connected with a first screw 32, the front end of the first screw 32 is connected with a handle 33, and the rear end of the first screw 32 is connected with a fixed plate 34 , the outer sides of the upper surfaces of the two splints 31 are provided with a height gauge 35, the middle of the upper surfaces of the two splints 31 are connected with a second screw 36, and the second screw 36 is connected with a thumb nut 37, between the two second screw 36 Connected with a crossbar 38, the lower surface of the crossbar 38 is in contact with the upper surface of the hand-tightened nut 37, the crossbar 38 is vacantly sleeved on the two second screw rods 36, the upper surface of the crossbar 38 is provided with a rectangular groove 39, and the bottom of the rectangular groove 39 is provided with There is a rectangular through hole 310 through which the handle 1 passes and the support block 11 is clamped in the rectangular slot 39 .

In this embodiment, when in use, at first the through hole 21 is aligned with the protrusion 14, then the blade 2 is put into the groove 12, and then the blade 2 is pushed upwards so that the upper end of the blade 2 is inserted into the first rectangular blind hole 13, and at the same time The insertion piece 22 is inserted in the second rectangular blind hole 15 to achieve the purpose of fixing the blade 2 on the handle 1. When it is necessary to remove the blade 2, just follow the reverse steps; Insert the knife handle 1 into the rectangular through hole 310 at the corresponding position where the operation is required, so that the support block 11 is clamped in the rectangular groove 39, and finally adjust the lower end of the blade 2 to the required height by screwing the nut 37 and the height gauge 35 , so that the purpose of cutting according to the required height can be achieved by moving the handle 1 and the blade 2 in the rectangular groove 39; Hold the knife handle 1 and use the blade 2 to cut. Such a structural design not only can adjust the cutting depth as required, but also is easy to replace the blade and easy to use, which satisfies the needs of the operation well.

Preferably, the upper end of the blade 2 is provided with a chamfer. Such a structural design facilitates inserting the upper end of the blade 2 into the first rectangular blind hole 13, and the guiding effect is good. In fact, it is also possible to specifically consider the way to facilitate inserting the upper end of the blade 2 into the first rectangular blind hole 13 according to the actual situation.

Preferably, the support block 11 is a rectangular sheet structure. Such structural design is simple in structure and convenient in processing. In fact, the structure of the support block 11 can also be specifically considered according to the actual situation.

Preferably, the surface of the handle 1 is provided with anti-skid lines 16 . Such a structural design increases the frictional force when holding and improves the accuracy of cutting. In fact, it is also possible to specifically consider the way of increasing the frictional force when gripping according to the actual situation.

Preferably, the handle 33 is a cylindrical structure. Such a structural design increases the comfort when holding and facilitates rotation. In fact, the structure of the handle 33 can also be specifically considered according to the actual situation.

The orthopedic cutting device provided by the utility model has been introduced in detail above. The description of specific embodiments is only used to help understand the method and core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (5)

1. a kind of orthopaedics cuts device, including handle of a knife (1), blade (2) and fixed frame, it is characterised in that：Handle of a knife (1) lower part Front and rear surfaces be both provided with supporting block (11), handle of a knife (1) lower front surface opens up fluted (12), the groove (12) Upper side wall offers the first rectangle blind hole (13), is provided in the middle part of the groove (12) raised (14), on the downside of the protrusion (14) Wall offers the second rectangle blind hole (15), and for the blade (2) in groove (12), the blade (2) offers through-hole (21), through-hole (21) lower end is connected with inserted sheet (22), and blade (2) bottom righthand side is provided with blade (23), the fixation Frame includes the clamping plate (31) of symmetrically arranged two concave structures, and clamping plate (31) front surface offers threaded hole, the spiral shell The first screw rod (32) is connected in pit, the first screw rod (32) front end is connected with handle (33), first screw rod (32) Rear end is connected with fixed disk (34), and height gauge (35), described two folders are both provided on the outside of described two clamping plate (31) upper surfaces Plate (31) upper surface middle part is respectively connected with the second screw rod (36), and hand nutting (37), institute are connected on second screw rod (36) It states and is connected with cross bar (38) between two the second screw rods (36), cross bar (38) lower surface connects with hand nutting (37) upper surface It touches, for cross bar (38) empty set on two the second screw rods (36), cross bar (38) upper surface offers rectangular channel (39), institute It states rectangular channel (39) bottom and offers rectangular through-hole (310), the handle of a knife (1) is across rectangular through-hole (310) and supporting block (11) It is arranged in rectangular channel (39).

2. a kind of orthopaedics according to claim 1 cuts device, it is characterised in that：Blade (2) upper end is provided with down Angle.

3. a kind of orthopaedics according to claim 2 cuts device, it is characterised in that：The supporting block (11) is rectangular patch Structure.

4. a kind of orthopaedics according to claim 3 cuts device, it is characterised in that：Handle of a knife (1) surface is provided with anti- Sliding line (16).

5. a kind of orthopaedics according to claim 4 cuts device, it is characterised in that：The handle (33) is cylinder knot Structure.