CN222657137U - Box knife guide for orthopedics - Google Patents

Abstract

The utility model relates to the technical field of cutter guides for orthopaedics and discloses a box cutter guide for orthopaedics, which comprises a rotating rod, wherein two sides of the outer wall of the rotating rod are fixedly connected with a bracket, a rotating column is rotationally connected inside the bracket, one side of the inner part of the rotating rod is fixedly connected with a motor I, one output end of the motor I is fixedly connected with a gear, one side of the outer wall of the rotating column is fixedly connected with a rack, the rack is meshed with the outer wall of the gear, one side of the outer wall of the rotating column is fixedly connected with a motor II, the output end of the motor II is fixedly connected with a screw rod, and the outer wall of the screw rod is in threaded connection with a movable block. In the utility model, the gear can drive the rotating column to rotate through the rack, and meanwhile, the motor II can drive the screw rod to rotate, so that the screw rod can drive the movable block to slide along the chute, thereby controlling the position of the blade, solving the problem of inconvenient control of the position of the blade and improving the accuracy of blade control.

Description

Box knife guider for orthopaedics

Technical Field

The utility model relates to the technical field of cutter guides for orthopaedics, in particular to a box cutter guide for orthopaedics.

Background

In bone surgery, a doctor may use various different types of tools, depending on the type of surgery and the bone site, etc., and an orthopedic box knife is a medical instrument specially used for bone surgery, for cutting bones, soft tissues, or other materials during surgery. It is typically comprised of a handle, blade, and protective sheath, designed to provide precise cutting and manipulation.

In surgery, the cutting operation is typically performed by a doctor holding a box knife, which can achieve more precise cutting and trimming because they can directly control the position, angle, and pressure of the knife. This direct manual operation allows the physician to make fine adjustments to achieve the desired cutting effect, depending on the situation.

However, since most doctors can perform long-time operations, long-time manual operation may lead to fatigue of the doctors, so that coordination and attention of the hands and eyes in the operation process are reduced, which may affect the accuracy and stability of cutting, and long-time manual operation may lead to fatigue and tremble of hand muscles, thereby affecting the stability of hands. This may lead to instability of the cutter position and errors in cutting, for which orthopedic box cutter guides have been proposed to solve the above problems.

Disclosure of utility model

In order to make up for the defects, the utility model provides a box knife guide for orthopaedics, which aims to solve the problem that the manual operation of the traditional Chinese medicine growth time in the prior art may cause fatigue of doctors, thereby causing poor cutting precision.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The box knife guider for orthopaedics comprises a rotating rod, wherein two sides of the outer wall of the rotating rod are fixedly connected with a support, a rotating column is rotationally connected inside the support, one side of the inner part of the rotating rod is fixedly connected with a first motor, one output end of the first motor is fixedly connected with a gear, one side of the outer wall of the rotating column is fixedly connected with a rack, the rack is meshed with the outer wall of the gear, one side of the outer wall of the rotating column is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a screw rod, the outer wall of the screw rod is in threaded connection with a movable block, the outer wall of the movable block is in sliding connection inside the rotating column, one side of the inner part of the rotating column is provided with a sliding groove, the outer wall of the movable block is in sliding connection inside the sliding groove, and the bottom of the rotating rod is provided with a supporting component;

as a further description of the above technical solution:

The support assembly comprises a bottom column and a base, wherein one side of the bottom of the rotating rod is rotationally connected with the bottom column, and the bottom of the bottom column is fixedly connected with the base;

as a further description of the above technical solution:

One side of the outer wall of the bottom column is rotationally connected with an electric push rod, the output end of the electric push rod is fixedly connected with a connecting shaft, and the outer wall of the connecting shaft is rotationally connected to one side of the inside of the rotating rod;

as a further description of the above technical solution:

A mounting column is fixedly connected to one side of the outer wall of the movable block, and a fixed column is slidably connected inside the mounting column;

as a further description of the above technical solution:

A cutting edge is fixedly connected to one side of the fixed column, and a sliding ring is slidably connected to the outer wall of the mounting column;

as a further description of the above technical solution:

The inside of the mounting column is connected with annular arrays of clamping balls in a sliding manner, and clamping grooves are formed in the outer wall of the fixing column;

as a further description of the above technical solution:

The clamping ball is connected inside the clamping groove in a sliding way, and a spring is arranged inside the sliding ring;

as a further description of the above technical solution:

One end of the spring is fixedly connected to one side of the outer wall of the mounting column, and the other end of the spring is fixedly connected to one side of the inner wall of the sliding ring.

The utility model has the following beneficial effects:

1. According to the utility model, the first motor drives the gear to rotate, the gear can drive the rotating column to rotate through the rack, and meanwhile, the second motor drives the screw rod to rotate, so that the screw rod can drive the movable block to slide along the sliding groove, thereby controlling the position of the cutting edge, solving the problem of inconvenient control of the position of the cutting edge, and improving the accuracy of controlling the cutting edge.

2. According to the utility model, the fixing column is inserted into the mounting column, so that the mounting column can push the clamping ball out of the mounting column under the action of the spring, and the clamping ball is clamped into the fixing column, thereby solving the problem of inconvenient replacement of the cutting edge and improving the convenience of the replacement of the cutting edge.

Drawings

Fig. 1 is a schematic perspective view of the orthopedic box knife guide according to the present utility model;

FIG. 2 is a schematic diagram showing the sectional structure of a rotating column of the orthopedic box knife guide according to the present utility model;

Fig. 3 is a schematic sectional view of a mounting column of the orthopedic box knife guide according to the present utility model.

Legend description:

1. The device comprises a base, a bottom column, a 3 electric push rod, a 4 connecting shaft, a 5 rotating rod, a 6 rotating support, a 7 rotating column, a 8 cutting edge, a 9 clamping groove, a 10 motor I, a 11 gear, a 12 rack, a 13 sliding chute, a 14 motor II, a 15 screw rod, a 16 moving block, a 17 sliding ring, a 18 mounting column, a 19 spring, a 20 clamping ball, a 21 fixing column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the orthopedic box knife guider provided by the utility model comprises a rotating rod 5, wherein two sides of the outer wall of the rotating rod 5 are fixedly connected with a bracket 6, a rotating column 7 is rotatably connected inside the bracket 6, one side of the inside of the rotating rod 5 is fixedly connected with a first motor 10, the output end of the first motor 10 is fixedly connected with a gear 11, one side of the outer wall of the rotating column 7 is fixedly connected with a rack 12, the rack 12 is meshed with the outer wall of the gear 11, one side of the outer wall of the rotating column 7 is fixedly connected with a second motor 14, the output end of the second motor 14 is fixedly connected with a screw rod 15, the outer wall of the screw rod 15 is in threaded connection with a movable block 16, the outer wall of the movable block 16 is in sliding connection with the rotating column 7, one side of the inside of the rotating column 7 is provided with a sliding groove 13, and the outer wall of the movable block 16 is in sliding connection with the sliding groove 13;

Specifically, when the first motor 10 drives the gear 11 to rotate, the gear 11 is driven by the rack 12 on the outer wall of the rotating column 7, so that the rotating column 7 starts to rotate in the bracket 6, meanwhile, the second motor 14 drives the screw rod 15 to rotate, the screw rod 15 is connected with the movable block 16, when the screw rod 15 rotates, the movable block 16 slides in the sliding groove 13, and the movable block 16 is connected with the blade 8, so that when the movable block 16 slides in the sliding groove 13, the movable block drives the blade 8 to move transversely.

Referring to fig. 1, a support assembly is arranged at the bottom of a rotating rod 5, the support assembly comprises a bottom column 2 and a base 1, one side of the bottom of the rotating rod 5 is rotationally connected with the bottom column 2, the bottom of the bottom column 2 is fixedly connected with the base 1, one side of the outer wall of the bottom column 2 is rotationally connected with an electric push rod 3, the output end of the electric push rod 3 is fixedly connected with a connecting shaft 4, and the outer wall of the connecting shaft 4 is rotationally connected with one side of the inside of the rotating rod 5;

Specifically, the rotating rod 5 is located at the top of the bottom post 2 and is supported by the base 1. The rotating rod 5 can rotate around the rotating shaft at the top of the bottom post 2, and one side of the rotating rod 5 is pushed by the electric push rod 3 and the connecting shaft 4. When the electric push rod 3 moves, the connecting shaft 4 transmits force to the rotating rod 5 to rotate around the rotating shaft, and when the rotating rod 5 rotates, the height of the blade 8 is changed.

Referring to fig. 2 and 3, a mounting column 18 is fixedly connected to one side of the outer wall of the movable block 16, a fixed column 21 is slidably connected to the inside of the mounting column 18, a cutting edge 8 is fixedly connected to one side of the fixed column 21, a sliding ring 17 is slidably connected to the outer wall of the mounting column 18, a clamping ball 20 of a ring array is slidably connected to the inside of the mounting column 18, a clamping groove 9 is formed in the outer wall of the fixed column 21, the clamping ball 20 is slidably connected to the inside of the clamping groove 9, a spring 19 is arranged in the sliding ring 17, one end of the spring 19 is fixedly connected to one side of the outer wall of the mounting column 18, and the other end of the spring 19 is fixedly connected to one side of the inner wall of the sliding ring 17;

Specifically, one end of the fixed column 21 is fixed at the tail of the blade 8, the mounting column 18 is located at one side of the movable block 16, an operator inserts the protruding portion of the fixed column 21 into the mounting column 18, through releasing the sliding ring 17, the sliding ring 17 can slide outwards under the action of the spring 19, so that the clamping ball 20 can be pushed out of the mounting column 18, and then the clamping ball 20 can be clamped into the clamping groove 9 formed in the outer wall of the fixed column 21, so that the position of the blade 8 on the movable block 16 is fixed.

The working principle is that when the position of the blade 8 is adjusted, the first motor 10 can drive the gear 11, the gear 11 can drive the rack 12 on the outer wall of the rotating column 7, so that the rotating column 7 can be controlled to rotate in the bracket 6, the second motor 14 can drive the screw rod 15 to rotate, the screw rod 15 drives the movable block 16 to slide in the sliding groove 13, the blade 8 can be driven to transversely move, the rotating rod 5 rotates on the top of the bottom column 2 and can be supported by the base 1 at the bottom of the bottom column 2, meanwhile, the electric push rod 3 can push one side of the rotating rod 5 through the connecting shaft 4, so that the rotating rod 5 rotates on the top of the bottom column 2, the height of the blade 8 is controlled, when the blade 8 is replaced, the fixed column 21 fixed at the tail end of the blade 8 is inserted into the mounting column 18 fixed on one side of the movable block 16, the sliding ring 17 can be slid inwards during insertion, so that the clamping ball 20 can retract into the mounting column 18, after the fixed column 21 is inserted, the sliding ring 17 can be driven to slide outwards under the action of the spring 19, the clamping ball 20 can be pushed out of the clamping ball 20, and the clamping ball 20 can be pushed into the mounting column 9, and the outer wall of the fixed column 9 can be opened.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (8)

1. The box knife guider for orthopaedics comprises a rotating rod (5), and is characterized in that two sides of the outer wall of the rotating rod (5) are fixedly connected with a support (6), a rotating column (7) is connected inside the support (6) in a rotating mode, a first motor (10) is fixedly connected to one side of the inner portion of the rotating rod (5), a gear (11) is fixedly connected to the output end of the first motor (10), a rack (12) is fixedly connected to one side of the outer wall of the rotating column (7), the rack (12) is meshed with the outer wall of the gear (11), a second motor (14) is fixedly connected to one side of the outer wall of the rotating rod (7), a screw rod (15) is fixedly connected to the output end of the second motor (14), a movable block (16) is connected to the outer wall of the screw rod (15) in a sliding mode, a sliding groove (13) is formed in one side of the inner portion of the rotating column (7), the outer wall of the movable block (16) is connected to the inner portion of the sliding groove (13), and a supporting component is arranged at the bottom of the rotating rod (5).

2. The orthopedic box knife guide device according to claim 1, wherein the supporting component comprises a bottom post (2) and a base (1), the bottom side of the rotating rod (5) is rotatably connected with the bottom post (2), and the bottom of the bottom post (2) is fixedly connected with the base (1).

3. The orthopedic box knife guide device according to claim 2, wherein one side of the outer wall of the bottom column (2) is rotatably connected with an electric push rod (3), the output end of the electric push rod (3) is fixedly connected with a connecting shaft (4), and the outer wall of the connecting shaft (4) is rotatably connected to one side of the inside of the rotating rod (5).

4. The orthopedic box knife guide device according to claim 1, wherein a mounting column (18) is fixedly connected to one side of the outer wall of the movable block (16), and a fixing column (21) is slidably connected to the inside of the mounting column (18).

5. The orthopedic box knife guide device according to claim 4, wherein a knife edge (8) is fixedly connected to one side of the fixing column (21), and a sliding ring (17) is slidably connected to the outer wall of the mounting column (18).

6. The orthopedic box knife guide device according to claim 5, wherein the mounting column (18) is internally and slidably connected with annular arrays of clamping balls (20), and the outer wall of the fixing column (21) is provided with clamping grooves (9).

7. The orthopedic box knife guide device according to claim 6, wherein the clamping ball (20) is slidably connected inside the clamping groove (9), and a spring (19) is arranged inside the sliding ring (17).

8. The orthopedic box knife guide device according to claim 7, wherein one end of the spring (19) is fixedly connected to one side of the outer wall of the mounting column (18), and the other end of the spring (19) is fixedly connected to one side of the inner wall of the sliding ring (17).