CN219000441U - An adjustable surgical auxiliary fixation device - Google Patents

Abstract

The utility model discloses an adjustable auxiliary fixing device for operation, which comprises a supporting rod, a clamping device, a supporting arm, a universal adjusting device, a feeding device and an electric drill, wherein the clamping device is arranged on the supporting rod, the universal adjusting device is connected with the supporting rod and the supporting arm, the feeding device is arranged on the supporting arm, and the electric drill is arranged on the feeding device. The utility model belongs to the technical field of medical auxiliary instruments, and particularly relates to an adjustable operation auxiliary fixing device capable of carrying out auxiliary fixing feeding on an electric drill and adjusting the electric drill in a universal mode.

Description

An adjustable surgical auxiliary fixation device

technical field

The utility model belongs to the technical field of medical auxiliary equipment, in particular to an adjustable auxiliary fixing device for operation.

Background technique

Orthopedics and neurosurgery operations require high precision. Some operations require a guide needle to drill holes in the bone, but the human eye cannot directly observe the internal structure of the bone. Even if the needle insertion point and direction have been planned before the operation, However, at present, electric drills can only be operated with bare hands, and it is easy to deviate from the original direction of needle insertion due to hand shaking and visual errors during the operation. Practice has proved that even with strict training, it is still difficult for doctors to overcome the physiological limits of the eyes and hands during the operation, which is the main cause of nerve and blood vessel damage during the operation, which increases unnecessary pain for patients and increases the burden of medical staff. workload. Therefore, it is necessary to develop an electric drill stabilization device that is convenient for intraoperative use, so as to ensure that the doctor can accurately insert the needle according to the preoperative plan, and will not cause surgical errors due to the doctor's subjective feeling and physiological limits.

Utility model content

In order to solve the above-mentioned problems, the utility model provides an adjustable surgical auxiliary fixing device capable of auxiliary fixing feeding of the electric drill and simultaneously adjusting the electric drill in all directions.

In order to achieve the above functions, the technical solution adopted by the utility model is as follows: an adjustable auxiliary surgical fixation device, including a support rod, a clamping device, a support arm, a universal adjustment device, a feeding device and an electric drill, the clamping device The universal adjustment device is connected to the support rod and the support arm, the feed device is provided on the support arm, and the electric drill is provided on the feed device; the feed device includes a sliding sleeve, a limit Position slot, limit box, limit rod, armature, spring, electromagnet, gear row, motor and gear, the sliding sleeve is slidably arranged on the electric drill, the limit groove is arranged on the electric drill, and the limit box Set in the sliding sleeve, the telescopic sliding of the limit rod is set in the limit box and can be buckled in the limit slot, the armature is set at one end of the limit rod and is located in the limit box, the spring sleeve Connected to the limit rod, one end of the spring is set on the armature and the other end is set on the limit box, the electromagnet is set in the limit box and corresponds to the armature, and the tooth row is set on the electric drill In the sliding sleeve of the motor and the business department, the gear is arranged at the power output end of the motor and meshed with the gear row. Inserting the limit rod into the limit groove can complete the quick connection and limit of the electric drill. The feed of the electric drill can be driven by the meshing gear row of gears.

Further, the clamping device includes a connecting plate, a splint, a screw, a worm gear, a worm and a hand wheel, the connecting plate is connected to the pole, the splint is slidably arranged in the connecting plate, and the screw is rotated. In the connecting plate and threaded with the splint, the worm gear is arranged on the screw, the worm is rotated in the connecting plate and connected with the worm gear, and the hand wheel is arranged at one end of the worm and is located outside the connecting plate, Through the rotation of the worm meshed with the worm wheel, the screw drives the two sets of splints to realize the opening and closing of the splints, thereby completing the fixing of the struts.

Further, the universal adjustment device includes a connecting ball, a ball socket and a bolt, the connecting ball is arranged on the pole, the ball socket is arranged on the arm, the connecting ball is always located in the ball socket, the The bolt thread connection is arranged in the ball socket.

Preferably, grooves are evenly provided on the surface of the connecting ball, and the bolts can be inserted into the grooves to realize the fixing of the connecting ball and the ball socket.

Preferably, the support rod and the support arm are connected by multiple sets of universal adjustment devices.

Preferably, the spring always has a force to buckle the limit rod in the direction of the limit slot.

Preferably, the motor is a forward and reverse adjustable speed motor.

The utility model adopts the above-mentioned structure to obtain beneficial effects as follows: an adjustable auxiliary surgical fixation device provided by the utility model can realize fixing the pole on the operating bed or other places by setting a clamping device, and the universal adjustment device can realize the adjustment of the electric drill. The universal adjustment makes the application more convenient. The feeding device realizes the connection and fixation of the electric drill, and can also feed the electric drill.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an adjustable auxiliary surgical fixation device of the present invention;

Fig. 2 is a top view of the feeding device of an adjustable auxiliary surgical fixation device of the present invention;

Fig. 3 is a partially enlarged view of A in Fig. 1 .

Among them, 1. Support rod, 2. Clamping device, 3. Support arm, 4. Universal adjustment device, 5. Feeding device, 6. Electric drill, 7. Sliding sleeve, 8. Limiting groove, 9. Limiting Box, 10, limit rod, 11, armature, 12, spring, 13, electromagnet, 14, rack of teeth, 15, motor, 16, gear, 17, connecting plate, 18, splint, 19, screw mandrel, 20, Worm gear, 21, worm screw, 22, hand wheel, 23, connecting ball, 24, ball socket, 25, bolt, 26, groove.

Detailed ways

The technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1-3, the utility model is an adjustable auxiliary surgical fixation device, including a support rod 1, a clamping device 2, a support arm 3, a universal adjustment device 4, a feeding device 5 and an electric drill 6, and the clamping device 2 Set on the support rod 1, the universal adjustment device 4 connects the support rod 1 and the support arm 3, the feed device 5 is set on the support arm 3, and the electric drill 6 is set on the feed device 5; the feed device 5 includes a sliding sleeve 7 , limit slot 8, limit box 9, limit rod 10, armature 11, spring 12, electromagnet 13, gear row 14, motor 15 and gear 16, sliding sleeve 7 is set on the electric drill 6, limit groove 8 Set on the electric drill 6, the limit box 9 is set in the sliding sleeve 7, the limit rod 10 is telescopically and slidably arranged in the limit box 9 and can be buckled in the limit groove 8, the armature 11 is arranged on the limit rod 10 One end is located in the limit box 9, the spring 12 is sleeved on the limit rod 10, one end of the spring 12 is set on the armature 11 and the other end is set on the limit box 9, and the electromagnet 13 is set on the limit box 9 Corresponding to the armature 11, the tooth row 14 is set on the electric drill 6, the motor 15 and the business department sliding sleeve 7, the gear 16 is set at the power output end of the motor 15 and is meshed with the tooth row 14, through the limit rod 10 Inserting into the limiting groove 8 can complete the quick connection and limiting of the electric drill 6, and the gear 16 meshes with the tooth row 14 to drive the electric drill 6 to feed.

The clamping device 2 includes a connecting plate 17, a splint 18, a screw 19, a worm wheel 20, a worm 21 and a hand wheel 22, the connecting plate 17 is connected with the pole 1, the splint 18 slides in the connecting plate 17, and the screw 19 rotates Set in the connecting plate 17 and screwed with the splint 18, the worm wheel 20 is set on the screw 19, the worm 21 is rotated in the connecting plate 17 and meshed with the worm wheel 20, and the hand wheel 22 is set at one end of the worm 21 and is located at the connecting The outside of the plate 17 is rotated by the worm 21 meshing with the worm wheel 20, and the screw 19 drives the two sets of splints 18 to realize the opening and closing of the splints 18, thereby completing the fixing of the pole 1.

Universal adjusting device 4 comprises connecting ball 23, ball socket 24 and bolt 25, and connecting ball 23 is located on pole 1, and ball socket 24 is located on support arm 3, and connecting ball 23 is positioned at ball socket 24 all the time, and bolt 25 thread The connection is provided in the ball socket 24 .

Grooves 26 are evenly formed on the surface of the connecting ball 23 , and the bolts 25 can be inserted into the grooves 26 to realize the fixing of the connecting ball 23 and the ball socket 24 .

The strut 1 and the support arm 3 are connected by multiple sets of universal adjustment devices 4 .

The spring 12 always has a force to buckle the limiting rod 10 in the direction of the limiting groove 8 .

The motor 15 is a forward and reverse adjustable speed motor.

In specific use, first clamp the splint 18 on the side of the operating bed, turn the handwheel 22, the worm 21 rotates, the worm 21 meshes with the worm wheel 20 to rotate, the worm 20 drives the screw 19 to rotate, and the rotation of the screw 19 can realize two groups of splints 18 until the splint 18 is clamped on the operating bed. When the electric drill 6 is installed, the electromagnet 13 is first energized, the armature 11 is attracted, the limit rod 10 is retracted into the limit box 9, and then the electric drill 6 is buckled. On the sliding sleeve 7, then the electromagnet 13 is powered off, and the stop rod 10 is quickly buckled to the stop slot 8 under the pull of the spring 12, so that the quick installation of the electric drill 6 and the start of the air motor 15 are completed. The gear 16 rotates and meshes with the tooth row 14, which can push the electric drill 6 to feed on the sliding sleeve 7, and the limit rod 10 slides in the limit groove 8. When the angle of the electric drill 6 needs to be adjusted, first loosen the bolt 25 and connect the ball 23 is always in the ball socket 24, and the ball socket 24 can drive the support arm 3 to rotate and twist at any angle until the angle is suitable, then tighten the bolt 25 again, and the bolt 25 will be clamped in the groove 26 to complete the connection between the ball socket 24 and Fixation of the ball 23.

The utility model and its implementations have been described above. This description is not restrictive, and what is shown in the drawings is only one of the implementations of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (7)

1. An adjustable auxiliary surgical fixation device, characterized in that: comprising a pole, a clamping device, a support arm, a universal adjustment device, a feeding device and an electric drill, the clamping device is located on the pole, and the The universal adjustment device connects the support rod and the support arm, the feed device is arranged on the support arm, and the electric drill is arranged on the feed device; the feed device includes a sliding sleeve, a limit slot, a limit box, a limit position rod, armature, spring, electromagnet, gear row, motor and gear, the sliding sleeve is set on the electric drill, the limit groove is set on the electric drill, the limit box is set in the sliding sleeve, the The limit rod telescopically slides in the limit box and can be buckled in the limit groove. The armature is set at one end of the limit rod and is located in the limit box. The spring sleeve is arranged on the limit rod. One end of the spring is set on the armature and the other end is set on the limit box, the electromagnet is set in the limit box and corresponds to the armature, the tooth row is set on the electric drill, the motor and the business department In the sliding sleeve, the gear is arranged at the power output end of the motor and meshed with the gear row. 2. An adjustable auxiliary surgical fixation device according to claim 1, characterized in that: the clamping device includes a connecting plate, a splint, a screw, a worm wheel, a worm, and a hand wheel, and the connecting plate and the pole connected, the splint is slidably set in the connecting plate, the screw is set in the connecting plate and screwed with the splint, the worm wheel is set on the screw, and the worm is rotated in the connecting plate and connected with the worm gear Mesh connection, the handwheel is arranged at one end of the worm and outside the connecting plate. 3. An adjustable auxiliary surgical fixation device according to claim 2, characterized in that: the universal adjustment device includes a connecting ball, a ball socket and a bolt, the connecting ball is arranged on the pole, and the ball The socket is arranged on the support arm, the connecting ball is always located in the ball socket, and the bolt thread connection is arranged in the ball socket. 4 . The adjustable auxiliary surgical fixation device according to claim 3 , wherein grooves are evenly formed on the surface of the connecting ball, and the bolts can be inserted into the grooves. 5 . The adjustable auxiliary surgical fixation device according to claim 4 , wherein the support rod and the support arm are connected by multiple sets of universal adjustment devices. 5 . 6 . The adjustable auxiliary surgical fixation device according to claim 5 , wherein the spring always exerts a force on the limit rod in the direction of the limit groove. 7 . 7 . The adjustable auxiliary surgical fixation device according to claim 6 , wherein the motor is a forward and reverse adjustable speed motor. 7 .

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