CN214805112U

CN214805112U - Novel orthopedic soft drill

Info

Publication number: CN214805112U
Application number: CN202121337303.4U
Authority: CN
Inventors: 董超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-23
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a novel orthopedic soft drill, relating to the technical field of medical instruments, and aiming at solving the problem that when the existing orthopedic soft drill is used, due to the lack of a structure for preventing excessive force during drilling, a user is easy to damage other organs of a patient during operation, thereby causing adverse consequences, and the orthopedic soft drill comprises a fixing part and a flexible drill rod; the fixing piece is of a cylindrical hollow structure and is made of stainless steel, and anti-slip strips are arranged on the bottom surface of the fixing piece in an equal row. In pegging graft the fixed slot with flexible drilling rod, flexible drilling rod is rotatory to be pushed down and to drive drill bit work, when pushing down excessively hard, the one end that has the fixed block in the flexible drilling rod is pushed down in round platform form recess, make flexible drilling rod can not drive the drill bit and continue work, when stopping hard, elastic deformation takes place for the supporting spring of roof bottom, and promote the roof and make flexible drilling rod reset, thereby continue to drive drill bit work, just so solved the user and led to the fact the problem of injury to the patient because of excessively hard.

Description

Novel orthopedic soft drill

Technical Field

The utility model belongs to the technical field of medical instrument, more specifically say, in particular to novel soft brill of orthopedics.

Background

The operating space is small in the orthopedic surgery, and the drilling can not be directly carried out on the narrow and bent part of the connecting channel, so that a drilling device capable of cutting and drilling along the bent inner cavity is needed.

For example, application No.: CN201720485459.4 relates to a novel hollow soft drill for orthopedics department, wherein a cutting part is fixedly connected with a connecting block through a transition connecting block and a soft connection, the cutting part is sleeved on an outer hexagonal transition connecting block through an inner hexagonal hole and mutually limited through a limiting step, the use requirement of a bending space can be met, the connection is reliable, and the disassembly and the assembly are rapid and quick; the inner central through hole is sleeved on the guide pin for positioning, so that the positioning is accurate; the connecting block is connected with the orthopedic surgery equipment through the handle triangular prism-shaped limiting surface, so that the installation is rapid; the triangular prism-shaped limiting surface and the positioning milling plane of the connecting block can be matched and fixed with a positioning shoulder structure with a corresponding shape on the fixed chuck to limit radial rotation, so that a drill bit is prevented from slipping in the operation process, and the radial positioning effect is good; the annular groove at the rear section of the connecting block, the limiting step and the fixing seat of the orthopedic surgery equipment are matched and connected to provide axial limitation, axial rotation and swing are prevented, the punching precision is high, the structure is simple, and the operation is convenient.

Based on discovery among the prior art, current soft brill of orthopedics when using, owing to lack the structure of excessively exerting oneself when preventing drilling, lead to the user to damage patient's other organs easily when performing the operation to cause bad consequence, and current soft brill of orthopedics when using, lack the structure of control drilling degree of depth, the user can not accurate control drilling degree of depth, lead to causing irreversible injury to the patient.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a novel orthopedic soft drill is provided in order to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel soft brill of orthopedics to solve current soft brill of orthopedics when using, owing to lack the structure of excessively exerting oneself when preventing to drill, lead to the user to damage other organs of patient easily when carrying out the operation, thereby cause bad consequence, and current soft brill of orthopedics when using, lack the structure of control drilling depth, the user can not accurate control drilling's degree of depth, lead to causing the problem of irreversible injury to the patient.

The orthopedic soft drill of the utility model has the advantages that the purpose and the efficacy are achieved by the following specific technical means:

a novel orthopedic soft drill comprises a fixing piece, a flexible drill rod, a drill bit and a clamping mechanism; the fixing piece is of a cylindrical hollow structure, is made of stainless steel, and is provided with anti-slip strips in equal rows on the bottom surface; the flexible drill rod is of a cylindrical structure and screwed in the fixing piece through threads, and penetrates through the fixing piece; the drill bit is of a cylindrical hollow structure and made of hard alloy materials, and a flexible drill rod is inserted into the drill bit; the clamping mechanisms are arranged at the upper end of the inner part of the fixing part and are inserted in the mounting grooves, and four groups of the clamping mechanisms are arranged; and a supporting spring is arranged between the trigger block at the upper end of the clamping mechanism and the inside of the fixing part.

Furthermore, the fixing piece comprises an insertion hole and an installation groove, the bottom of the fixing piece is of a cylindrical plate-shaped structure, a cylindrical groove is formed in the fixing piece, and the insertion hole is formed above the cylindrical groove in the fixing piece; the jack is a cylindrical through hole, threads are arranged in the jack, and the outer side of the jack is connected with the mounting groove; the mounting grooves are arranged at the upper end of the fixing piece, four groups of mounting grooves are arranged in the mounting grooves, and the mounting grooves are cylindrical grooves; the mounting groove is of an L-shaped structure, and the inner side of the mounting groove is communicated with the jack.

Further, the flexible drill rod comprises a fixed block and a sleeving piece, threads are arranged on the outer side of the flexible drill rod, a fixed plate is arranged at the upper end of the flexible drill rod, and a hexagonal fixed plug is arranged on the fixed plate above the flexible drill rod; two groups of wedge-shaped grooves are symmetrically arranged below the flexible drill rod, and a fixing block is arranged below the flexible drill rod; the four groups of fixed blocks are arranged, the fixed blocks are fixedly arranged at the outer end of the bottom of the flexible drill rod, and the fixed blocks are of cuboid structures; the sleeving part is of a cylindrical hollow structure, the sleeving part is sleeved on the flexible drill rod in a sliding mode, and the bottom of the sleeving part is of a cylindrical plate-shaped structure; and nuts are symmetrically inserted at two ends of the sleeving piece.

Furthermore, the drill bit comprises a fixing groove, a top plate and an inserting block, and the fixing groove is formed in the drill bit; the fixing groove is a cross-shaped groove, the bottom of the fixing groove is connected with a truncated cone-shaped groove, and through holes are formed in two sides of the fixing groove; the top plate is arranged in the circular truncated cone-shaped groove at the bottom of the fixed groove through a supporting spring, the top plate is a cylindrical plate, and the diameter of the top plate is larger than that of the fixed groove; the inserting block is of a cylindrical structure, is inserted into the through holes on the two sides of the fixing groove and is of a wedge-shaped structure on the inner side; a supporting spring is connected between the insertion block and the interior of the drill bit, and a pull ring is arranged on the outer side of the insertion block.

Furthermore, the clamping mechanism comprises a trigger block and a moving block, and the upper end of the clamping mechanism is provided with the trigger block; the trigger block is of a cylindrical structure, the two sides of the trigger block are symmetrically provided with convex blocks, and the trigger block is movably connected with a cylindrical moving block through a connecting rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model is provided with a drill bit, a group of drill bits are arranged under a flexible drill rod, the flexible drill rod is inserted into a fixed groove inside the drill bit through a fixed block, so that the bottom of the flexible drill rod is propped against a top plate, the two ends of the drill bit are provided with the inserting blocks, and the supporting spring is arranged in the drill bit to support the inserting blocks, the flexible drill rod is inserted into the fixed groove, the insertion block is inserted into the wedge-shaped groove at the lower end of the flexible drill rod, the flexible drill rod cannot be pulled out randomly after being inserted, the flexible drill rod rotates and is pressed down to drive the drill bit to work, when the downward pressure is excessive, one end of the flexible drill rod with the fixed block is pressed into the circular truncated cone-shaped groove, so that the flexible drill rod can not drive the drill bit to continue working, when the force is stopped, the supporting spring at the bottom of the top plate generates elastic deformation and pushes the top plate to reset the flexible drill rod, thereby continuously driving the drill bit to work, and solving the problem that the user is hurt to the patient due to excessive force;

2. the utility model is provided with a clamping mechanism and a package assembly, four groups of clamping mechanisms are arranged on a fixing piece, the clamping mechanisms are inserted in a mounting groove, a supporting spring is arranged between a trigger block and the inside of the fixing piece, connecting rods are arranged at the front end and the rear end of the trigger block and are movably connected with a movable block through the connecting rods, one end of the movable block extends into a jack, so that the rotation of a flexible drill rod is not influenced when the clamping mechanism is in a normal state, when the flexible drill rod is used, the depth required to be drilled is measured, the package assembly is adjusted and fixed on the flexible drill rod, the length from the bottom of the package assembly to a drill bit is equal to the depth required to be drilled, when the drill bit extends downwards, the package assembly on the flexible drill rod touches the trigger block, the trigger block presses downwards and drives the movable block to move inwards through the connecting rods, the four groups of movable blocks move inwards simultaneously, and clamp the flexible drill rod, so that the flexible drill rod can not move downwards, therefore, the extending distance of the drill bit during working is effectively controlled, and the patient is prevented from being injured due to the fact that the drill bit extends too much.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the fixing member of the present invention.

Fig. 3 is a schematic view of the flexible drill rod of the present invention.

Fig. 4 is a schematic view of the sectional structure of the drill bit according to the present invention.

Fig. 5 is a schematic view of the enlarged structure of part a of the present invention from fig. 1.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a fixing member; 101. a jack; 102. mounting grooves; 2. a flexible drill rod; 201. a fixed block; 202. sleeving parts; 3. a drill bit; 301. fixing grooves; 302. a top plate; 303. inserting a block; 4. a clamping mechanism; 401. a trigger block; 402. moving the mass.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a novel orthopedic soft drill, which comprises a fixing piece 1, a flexible drill rod 2, a drill bit 3 and a clamping mechanism 4; the fixing piece 1 is of a cylindrical hollow structure, the fixing piece 1 is made of stainless steel, and anti-slip strips are arranged on the bottom surface of the fixing piece 1 in an equal row; the flexible drill rod 2 is of a cylindrical structure, the flexible drill rod 2 is screwed in the fixing piece 1 through threads, and the flexible drill rod 2 penetrates through the fixing piece 1; the drill bit 3 is of a cylindrical hollow structure, the drill bit 3 is made of hard alloy materials, and a flexible drill rod 2 is inserted into the drill bit 3; the clamping mechanisms 4 are arranged at the upper end of the interior of the fixing piece 1, the clamping mechanisms 4 are inserted in the mounting groove 102, and the clamping mechanisms 4 are provided with four groups; a supporting spring is arranged between the trigger block 401 at the upper end of the clamping mechanism 4 and the inside of the fixing part 1; the fixing piece 1 comprises an insertion hole 101 and a mounting groove 102, the bottom of the fixing piece 1 is of a cylindrical plate-shaped structure, a cylindrical groove is formed in the fixing piece 1, and the insertion hole 101 is formed above the cylindrical groove in the fixing piece 1; the jack 101 is a cylindrical through hole, threads are arranged in the jack 101, and the outer side of the jack 101 is connected with the mounting groove 102; the mounting grooves 102 are arranged at the upper end of the fixing piece 1, four groups of mounting grooves 102 are arranged, and the mounting grooves 102 are cylindrical grooves; the mounting groove 102 is of an L-shaped structure, the inner side of the mounting groove 102 is communicated with the jack 101, the jack 101 with threads is arranged in the middle of the fixing piece 1, the flexible drill rod 2 can be fixed on the fixing piece 1 through threads, and the four groups of mounting grooves 102 are arranged at the upper end of the fixing piece 1, so that the clamping mechanism 4 can be inserted into the fixing piece 1; the flexible drill rod 2 comprises a fixed block 201 and a sleeving part 202, threads are arranged on the outer side of the flexible drill rod 2, a fixed plate is arranged at the upper end of the flexible drill rod 2, and a hexagonal fixed plug is arranged on the fixed plate above the flexible drill rod 2; two groups of wedge-shaped grooves are symmetrically arranged below the flexible drill rod 2, and a fixing block 201 is arranged below the flexible drill rod 2; the four groups of fixing blocks 201 are arranged, the fixing blocks 201 are fixedly arranged at the outer end of the bottom of the flexible drill rod 2, and the fixing blocks 201 are of cuboid structures; the sleeve 202 is a cylindrical hollow structure, the sleeve 202 is slidably sleeved on the flexible drill rod 2, and the bottom of the sleeve 202 is a cylindrical plate-shaped structure; nuts are symmetrically inserted at two ends of the sleeving part 202, four groups of fixing blocks 201 are arranged at the bottom of the flexible drill rod 2, and the flexible drill rod 2 can be inserted into the drill bit 3 through the fixing blocks 201 and drive the drill bit 3 to rotate; the sleeve 202 is installed on the flexible drill rod 2 in a sliding mode, the extending length of the flexible drill rod 2 can be limited, and when the flexible drill rod 2 works to reach the preset length, the clamping mechanism 4 is triggered to fix the flexible drill rod 2; the drill bit 3 comprises a fixing groove 301, a top plate 302 and an inserting block 303, and the fixing groove 301 is formed in the drill bit 3; the fixing groove 301 is a cross-shaped groove, the bottom of the fixing groove 301 is connected with a truncated cone-shaped groove, and through holes are formed in two sides of the fixing groove 301; the top plate 302 is arranged in a truncated cone-shaped groove at the bottom of the fixing groove 301 through a supporting spring, the top plate 302 is a cylindrical plate, and the diameter of the top plate 302 is larger than that of the fixing groove 301; the insertion block 303 is of a cylindrical structure, the insertion block 303 is inserted into through holes on two sides of the fixing groove 301, and the inner side of the insertion block 303 is of a wedge-shaped structure; a supporting spring is connected between the insertion block 303 and the inside of the drill bit 3, a pull ring is arranged on the outer side of the insertion block 303, a fixing groove 301 is arranged in the drill bit 3, the flexible drill rod 2 can be fixed in the drill bit 3, a top plate 302 with the supporting spring is arranged below the fixing groove 301, the flexible drill rod 2 can be supported, the flexible drill rod 2 can be reset when being separated from the fixing groove 301, the insertion blocks 303 are arranged on two sides of the drill bit 3, and the flexible drill rod 2 is regulated when being inserted into the drill bit 3, so that the flexible drill rod 2 cannot be pulled out randomly; the clamping mechanism 4 comprises a trigger block 401 and a moving block 402, and the trigger block 401 is arranged at the upper end of the clamping mechanism 4; trigger block 401 is cylindrical structure, and triggers block 401 bilateral symmetry and installs the lug to trigger block 401 has columniform movable block 402 through connecting rod swing joint, sets up trigger block 401 above fixture 4, when set spare 202 touched trigger block 401, can pass through the connecting rod with the holding down force and conduct movable block 402, at fixture 4 inside movable block 402 that sets up, can carry out the centre gripping to flexible drilling rod 2 when fixture 4 is triggered fixedly.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the flexible drill rod 2 with the fixed block 201 is inserted into the drill bit 3, and the flexible drill rod 2 is fixed through the insertion block 303, the flexible drill rod 2 can not be randomly extracted, the flexible drill rod 2 is extracted and screwed into the fixed part 1 through threads, one end with the drill bit 3 is positioned in a cylindrical groove inside the fixed part 1, then the drilling depth of the drill bit 3 is calculated in advance, the sleeving part 202 is adjusted and fixed on the flexible drill rod 2, the length from the bottom of the sleeving part 202 to the drill bit 3 is equal to the drilling depth, a fixed plug at the upper end of the flexible drill rod 2 is fixed on an electric drill, the fixed part 1 is placed at a position where a patient needs to drill, the fixing is carried out by pressing with hands, then the electric drill is opened for operation, when a user excessively exerts force, one end with the fixed block 201 in the flexible drill rod 2 is pressed down into a circular groove at the lower end of the fixed groove 301, make the flexible drilling rod 2 can not drive drill bit 3 and continue work, when stopping hard, the supporting spring of roof 302 bottom takes place elastic deformation, and promote roof 302 and make flexible drilling rod 2 reset, thereby continue to drive drill bit 3 work, just so avoided the user to injure the patient because of exerting oneself excessively, drill bit 3 continues to stretch into downwards, package spare 202 when flexible drilling rod 2 touches trigger block 401, trigger block 401 pushes down and drives movable block 402 inward movement through the connecting rod, four groups of movable blocks 402 simultaneous inward movement, and clip flexible drilling rod 2, make flexible drilling rod 2 can't continue the downstream, the distance of stretching into when just so effectual control drill bit 3 works, ensured that the patient can not stretch into too much and receive the injury because of drill bit 3.

The details of the present invention are well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A novel orthopedic soft drill is characterized in that: comprises a fixing piece (1), a flexible drill rod (2), a drill bit (3) and a clamping mechanism (4); the fixing piece (1) is of a cylindrical hollow structure, the fixing piece (1) is made of stainless steel, and anti-slip strips are arranged on the bottom surface of the fixing piece (1) in an equal row; the flexible drill rod (2) is of a cylindrical structure, the flexible drill rod (2) is screwed in the fixing piece (1) through threads, and the flexible drill rod (2) penetrates through the fixing piece (1); the drill bit (3) is of a cylindrical hollow structure, the drill bit (3) is made of hard alloy materials, and a flexible drill rod (2) is inserted into the drill bit (3); the clamping mechanisms (4) are arranged at the upper end of the interior of the fixing piece (1), the clamping mechanisms (4) are inserted in the mounting groove (102), and the clamping mechanisms (4) are provided with four groups; and a supporting spring is arranged between the triggering block (401) at the upper end of the clamping mechanism (4) and the inside of the fixing piece (1).

2. The novel orthopedic bur of claim 1, wherein: the fixing piece (1) comprises an insertion hole (101) and a mounting groove (102), the bottom of the fixing piece (1) is of a cylindrical plate-shaped structure, a cylindrical groove is formed in the fixing piece (1), and the insertion hole (101) is formed above the cylindrical groove in the fixing piece (1); the jack (101) is a cylindrical through hole, threads are arranged in the jack (101), and the outer side of the jack (101) is connected with the mounting groove (102); the mounting grooves (102) are formed in the upper end of the fixing piece (1), four groups of mounting grooves (102) are formed in the mounting grooves, and the mounting grooves (102) are cylindrical grooves; the mounting groove (102) is of an L-shaped structure, and the inner side of the mounting groove (102) is communicated with the jack (101).

3. The novel orthopedic bur of claim 1, wherein: the flexible drill rod (2) comprises a fixed block (201) and a sleeving part (202), threads are arranged on the outer side of the flexible drill rod (2), a fixed plate is arranged at the upper end of the flexible drill rod (2), and a hexagonal fixed plug is arranged on the fixed plate above the flexible drill rod (2); two groups of wedge-shaped grooves are symmetrically arranged below the flexible drill rod (2), and a fixing block (201) is arranged below the flexible drill rod (2); the four groups of the fixed blocks (201) are arranged, the fixed blocks (201) are fixedly arranged at the outer end of the bottom of the flexible drill rod (2), and the fixed blocks (201) are of a cuboid structure; the sleeve assembly (202) is of a cylindrical hollow structure, the sleeve assembly (202) is sleeved on the flexible drill rod (2) in a sliding mode, and the bottom of the sleeve assembly (202) is of a cylindrical plate-shaped structure; nuts are symmetrically inserted at two ends of the sleeving piece (202).

4. The novel orthopedic bur of claim 1, wherein: the drill bit (3) comprises a fixing groove (301), a top plate (302) and an inserting block (303), wherein the fixing groove (301) is formed in the drill bit (3); the fixing groove (301) is a cross-shaped groove, the bottom of the fixing groove (301) is connected with a circular truncated cone-shaped groove, and through holes are formed in two sides of the fixing groove (301); the top plate (302) is mounted in a circular truncated cone-shaped groove at the bottom of the fixing groove (301) through a supporting spring, the top plate (302) is a cylindrical plate, and the diameter of the top plate (302) is larger than that of the fixing groove (301); the inserting block (303) is of a cylindrical structure, the inserting block (303) is inserted into through holes in two sides of the fixing groove (301), and the inner side of the inserting block (303) is of a wedge-shaped structure; a supporting spring is connected between the insertion block (303) and the interior of the drill bit (3), and a pull ring is arranged on the outer side of the insertion block (303).

5. The novel orthopedic bur of claim 1, wherein: the clamping mechanism (4) comprises a trigger block (401) and a moving block (402), and the trigger block (401) is arranged at the upper end of the clamping mechanism (4); the trigger block (401) is of a cylindrical structure, protruding blocks are symmetrically arranged on two sides of the trigger block (401), and the trigger block (401) is movably connected with a cylindrical moving block (402) through a connecting rod.