CN209850779U - Bone screwdriver that multi-angle was used - Google Patents

Abstract

The utility model discloses a bone screwdriver used in multiple angles, which comprises a screwdriver head, a fixed rod, a unidirectional rotation component, a fixed block, a connecting shaft, a clamping limiting component and a screwdriver handle, wherein the screwdriver head is fixedly arranged at the bottom of the fixed rod, the unidirectional rotation component is fixedly arranged at the top of the fixed rod, the fixed block is fixedly arranged at the top of the unidirectional rotation component, the connecting shaft is fixedly arranged in the top end of the fixed block, the clamping limiting component is arranged in the connecting shaft, the screwdriver used in multiple angles can bend the screwdriver handle through the arranged connecting shaft, and then the screwdriver handle is fixedly rotated through the arranged unidirectional rotation component in a convenient matching way, the screwdriver handle is not required to be repeatedly bent when the screw is installed, the operation in a small space can be better and more conveniently realized, the operation is convenient, and the possibility of accidents is reduced, at the same time, the patient does not need to maintain a fixed posture any more, making the patient more comfortable.

Description

Bone screwdriver that multi-angle was used

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a screwdriver is used to bone that multi-angle was used.

Background

The existing orthopedic screw drivers used clinically have a plurality of types, but the screw rods of the orthopedic screw drivers are straight, and the orthopedic screw drivers are used for performing steel plate screw internal fixation or internal fixture removal operations on some fracture patients under a plurality of special conditions.

However, when a patient with fracture at a special position is operated, the operable space is often small, the operation of a traditional straight screwdriver is troublesome, the operation of medical staff is unsmooth, the operation accident is increased, meanwhile, the patient needs to keep an uncomfortable posture for a long time in order to cooperate with the operation, the patient is easy to generate a conflicting mood, and therefore, the bone screwdriver used in multiple angles is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screwdriver is used to bone that multi-angle was used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screwdriver for bone that multi-angle was used, includes screwdriver bit, dead lever, unidirectional rotation subassembly, fixed block, links axle, the spacing subassembly of joint and handle of a knife, screwdriver bit fixed mounting is in the dead lever bottom, unidirectional rotation subassembly fixed mounting is at the dead lever top, and unidirectional rotation subassembly top fixed mounting has the fixed block, fixed mounting has even axle in the fixed block top, link the epaxial spacing subassembly of joint that is equipped with, the handle of a knife rotates to be connected in linking the off-axial side, and the handle of a knife passes through the spacing subassembly of joint and links the axle fixedly.

Preferably, the unidirectional rotating assembly comprises a vertical shaft, a rotating outer sleeve, a pawl and a ratchet wheel, the vertical shaft is fixedly mounted at the top of the fixing rod, the rotating outer sleeve is located on the outer side of the vertical shaft, the top and the bottom of the inner side of the rotating outer sleeve are respectively and rotatably connected with the vertical shaft and the fixing rod through bearings, the fixing block is fixedly mounted at the top of the rotating outer sleeve, mounting grooves are symmetrically formed in two sides of the vertical shaft, the pawl is fixedly mounted in the mounting grooves, the ratchet wheel is located on the outer side of the pawl, and the ratchet wheel is fixedly.

Preferably, the spacing subassembly of joint includes compression spring, joint slider and joint fixture block, even axle one end has seted up the joint recess, joint slider sliding connection is in the joint recess, compression spring is located inside the joint recess, and the compression spring both ends respectively with joint slider and joint recess inner wall fixed connection, joint fixture block symmetry is equipped with two, and two joint fixture block symmetry fixed mounting in joint slider both sides, the handle of a knife is close to even the symmetry of axle and has seted up four joint draw-in grooves, joint fixture block and joint draw-in groove block, joint draw-in groove has been seted up to joint draw-in groove one side, and the joint draw-in groove all links the groove intercommunication with the joint.

Preferably, the two clamping limiting assemblies are symmetrically arranged on the two sides of the connecting shaft.

Preferably, the outer side of the knife handle is carved with anti-skid lines.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, even axle through setting up can be buckled the handle of a knife, the one-way rotating assembly of rethread setting to handle of a knife after convenient cooperation is buckled is fixed rotatory, no longer need buckle the handle of a knife repeatedly during the installation screw, can be better more convenient operation of realization subspace, made things convenient for medical staff's operation, reduced the possibility that the operation meets accident, simultaneously, the patient need not keep fixed posture again, make the patient more comfortable.

2. The utility model discloses, through the spacing subassembly of joint that sets up, it is spacing to carry out the joint to the handle of a knife after buckling that can be fine, makes it remain stable, avoids influencing normal operation, and through setting up the spacing subassembly of two joints, then further improved the stability of the back handle of a knife of buckling, at last through the anti-skidding line that sets up, then make when the operation, can effectively avoid the hand smooth, and then fine completion operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the top view of the present invention;

FIG. 4 is an enlarged schematic view of the area A of the present invention;

fig. 5 is an enlarged schematic view of the area B of the present invention.

In the figure: 1-screwdriver head; 2-fixing the rod; 3-a unidirectional rotating assembly; 4, fixing blocks; 5-connecting a shaft; 6-clamping a limiting component; 7-a knife handle; 8-vertical shaft; 9-rotating the outer sleeve; 10-pawl; 11-a ratchet wheel; 12-mounting a groove; 13-a compression spring; 14-clamping the sliding block; 15-clamping the fixture block; 16-a clamping groove; 17-clamping the clamping groove; 18-card connection slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a bone screwdriver used in multiple angles, which comprises a screwdriver head 1, a fixed rod 2, a unidirectional rotating component 3, a fixed block 4, a connecting shaft 5, a clamping and limiting component 6 and a screwdriver handle 7, the screwdriver head 1 is fixedly arranged at the bottom of the fixed rod 2, the unidirectional rotating component 3 is fixedly arranged at the top of the fixed rod 2, a fixed block 4 is fixedly arranged at the top of the unidirectional rotating component 3, a connecting shaft 5 is fixedly arranged in the top end of the fixed block 4, a clamping limiting component 6 is arranged in the connecting shaft 5, the knife handle 7 is rotationally connected to the outer side of the connecting shaft 5, and the knife handle 7 is fixed with the connecting shaft 5 through the clamping limiting component 6, the knife handle 7 can be bent through the connecting shaft 5, then the bent knife handle 7 is clamped and limited by the clamping and limiting component 6 to keep stable, then, the screwdriver handle 7 is rotated to drive the connecting shaft 5 and the fixing block 4, and the screwdriver head 1 is well rotatably mounted through the unidirectional rotating assembly 3.

Unidirectional rotating assembly 3 includes vertical scroll 8, rotatory overcoat 9, pawl 10 and ratchet 11, 8 fixed mounting of vertical scroll are at 2 tops of dead lever, rotatory overcoat 9 is located the 8 outsides of vertical scroll, and just the inboard top of rotatory overcoat 9 and bottom all rotate with vertical scroll 8 and dead lever 2 through the bearing respectively and be connected, 4 fixed mounting at rotatory overcoat top of fixed block, mounting groove 12 has been seted up to 8 bilateral symmetry of vertical scroll, equal fixed mounting has pawl 10 in mounting groove 12, ratchet 11 is located the pawl 10 outside, and ratchet 11 fixed mounting is inside rotatory overcoat 9 for through unidirectional rotating assembly 3, no longer need buckle handle of a knife 7 repeatedly when the fixed mounting screw, and then cooperate the handle of a knife 7 after buckling, with better more convenient completion operation.

The clamping limiting assembly 6 comprises a compression spring 13, a clamping sliding block 14 and clamping blocks 15, one end of the connecting shaft 5 is provided with a clamping groove 16, the clamping sliding block 14 is connected in the clamping groove 16 in a sliding mode, the compression spring 13 is located in the clamping groove 16, two ends of the compression spring 13 are respectively fixedly connected with the clamping sliding block 14 and the inner wall of the clamping groove 16, the clamping blocks 15 are symmetrically arranged, the two clamping blocks 15 are symmetrically and fixedly arranged on two sides of the clamping sliding block 14, four clamping grooves 17 are symmetrically arranged at positions, close to the connecting shaft 5, of the knife handle 7, the clamping blocks 15 are clamped with the clamping grooves 17, one sides of the clamping grooves 17 are provided with clamping connecting grooves 18, the clamping grooves 17 are communicated with the clamping connecting grooves 18, and the bent knife handle 7 can be clamped and limited well through the clamping limiting assembly 6, avoiding influencing normal operation.

The two clamping limiting assemblies 6 are symmetrically arranged on the two sides of the connecting shaft 5, and the two clamping limiting assemblies 6 are symmetrically arranged on the two sides of the connecting shaft 5, so that the stability of the bent knife handle 7 is further improved by arranging the two clamping limiting assemblies 6.

Anti-skidding lines are carved on the outer side of the knife handle 7, so that hands can be effectively prevented from skidding during surgery through the anti-skidding lines, and further surgery operation can be well completed.

When the screw is fixed at a special position, the clamping slide block 14 can be pressed to drive the clamping fixture block 15 to move in the clamping fixture groove 17, when the clamping fixture block 15 moves to the inside of the clamping connection groove 18, the knife handle 7 can be rotated to be bent, after the bending is completed, the clamping slide block 14 is loosened, the clamping slide block 14 is reset under the elastic action of the compression spring 13, the clamping fixture block 15 is further driven to reset and be clamped and limited with the clamping fixture groove 17, so that the bent knife handle 7 is fixed, then the screwdriver head 1 can be contacted with the screw, then the knife handle 7 is rotated to drive the connecting shaft 5, the fixing block 4 and the rotating outer sleeve 9 to rotate, the rotating outer sleeve 9 can drive the ratchet wheel 11 to rotate along with the rotating shaft, the ratchet wheel 11 drives the vertical shaft 8 and the fixing rod 2 to rotate through the pawl 10, further drive the screwdriver head 1 to rotate to fix the screw, and when the knife, at the moment, the ratchet wheel 11 and the pawl 10 are not fixedly limited, namely the fixed rod 2 does not rotate, after the position of the handle 7 is adjusted, the handle 7 is rotated in the forward direction to drive the screwdriver bit 1 to rotate to complete the fixed installation of the screw, and when the screw is disassembled, the screw can be better and more conveniently assembled and disassembled by using the other screwdriver with the reverse ratchet wheel 11 and the pawl 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a screwdriver for bone that multi-angle was used, includes screwdriver bit (1), dead lever (2), one-way rotating assembly (3), fixed block (4), even axle (5), spacing subassembly of joint (6) and handle of a knife (7), its characterized in that: screwdriver bit (1) fixed mounting is in dead lever (2) bottom, unidirectional rotating assembly (3) fixed mounting is at dead lever (2) top, and unidirectional rotating assembly (3) top fixed mounting has fixed block (4), fixed block (4) top internal fixed mounting has even axle (5), be equipped with joint spacing subassembly (6) in even axle (5), handle of a knife (7) are rotated and are connected in even axle (5) outside, and handle of a knife (7) are fixed through joint spacing subassembly (6) and even axle (5).

2. The screwdriver used at multiple angles according to claim 1, wherein: one-way rotating assembly (3) includes vertical scroll (8), rotatory overcoat (9), pawl (10) and ratchet (11), vertical scroll (8) fixed mounting is at dead lever (2) top, rotatory overcoat (9) are located vertical scroll (8) outside, and just the inboard top of rotatory overcoat (9) and bottom all rotate with vertical scroll (8) and dead lever (2) respectively through the bearing and be connected, fixed block (4) fixed mounting is at rotatory overcoat (9) top, mounting groove (12) have been seted up to vertical scroll (8) bilateral symmetry, equal fixed mounting has pawl (10) in mounting groove (12), ratchet (11) are located pawl (10) outside, and ratchet (11) fixed mounting is inside rotatory overcoat (9).

3. The screwdriver used at multiple angles according to claim 1, wherein: the clamping limiting assembly (6) comprises a compression spring (13), a clamping sliding block (14) and a clamping block (15), one end of the connecting shaft (5) is provided with a clamping groove (16), the clamping sliding block (14) is connected in the clamping groove (16) in a sliding manner, the compression spring (13) is positioned in the clamping groove (16), two ends of the compression spring (13) are respectively and fixedly connected with the clamping slide block (14) and the inner wall of the clamping groove (16), two clamping clamp blocks (15) are symmetrically arranged, and the two clamping fixture blocks (15) are symmetrically and fixedly arranged at the two sides of the clamping slide block (14), four clamping grooves (17) are symmetrically formed in the position, close to the connecting shaft (5), of the knife handle (7), the clamping device is characterized in that the clamping block (15) is clamped with the clamping groove (17), a clamping connecting groove (18) is formed in one side of the clamping groove (17), and the clamping groove (17) is communicated with the clamping connecting groove (18).

4. The screwdriver used at multiple angles according to claim 3, wherein: the two clamping limiting assemblies (6) are symmetrically arranged, and the two clamping limiting assemblies (6) are symmetrically arranged on two sides of the connecting shaft (5).

5. The screwdriver used at multiple angles according to claim 1, wherein: anti-skid lines are carved on the outer side of the knife handle (7).