CN214632257U

CN214632257U - Interlocking intramedullary nail locking nail positioning and drilling equipment

Info

Publication number: CN214632257U
Application number: CN202023193448.XU
Authority: CN
Inventors: 李梦男; 田淇; 戴启军
Original assignee: Shanghai Puwei Medical Instrument Factory Co ltd
Current assignee: Shanghai Puwei Medical Instrument Factory Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-11-09
Anticipated expiration: 2030-12-27

Abstract

The utility model belongs to the technical field of interlocking intramedullary nail locking nail location drilling, especially an interlocking intramedullary nail locking nail location drilling equipment, the following scheme is proposed at present, including the drill bit, the bottom swing joint of drill bit has the brill sword, the bottom fixedly connected with base of support column. The utility model discloses a grip block that sets up, the rubber pad, the connecting rod, the pull rod, a bearing, first arc pole, runner and second arc pole, the process of fixing a position to the patient affected part before drilling has been accomplished, it rotates to drive the runner through the motor, the runner drives first arc pole and second arc pole at the rotation in-process and rotates, the pulling pull rod slides in the inside of bearing, be connected between pull rod and the connecting rod, therefore, first arc pole is at the in-process pulling grip block of pulling pull rod and is slided in the top of base, carry out the centre gripping to the affected part, the problem that the precision is not high at drilling in-process has been solved, the promotion drilling precision has been reached, promote the purpose of drilling effect.

Description

Interlocking intramedullary nail locking nail positioning and drilling equipment

Technical Field

The utility model relates to an interlocking intramedullary nail locking nail location drilling technical field especially relates to an interlocking intramedullary nail locking nail location drilling equipment.

Background

The interlocking intramedullary nail locking nail positioning and drilling equipment is an electric tool for drilling holes on bones in a surgical operation, is suitable for providing mechanical power to carry out bone tissue operations, and currently, single-function electric bone drills and multifunctional electric bone drills exist in the market, the single-function electric bone drills can only work at one rotating speed, can not change the steering direction, are inconvenient to use, can not meet the actual requirements of medical operations, are more difficult to master when drilling Kirschner holes and overlong holes, the cutting ends of long drill bits are far away from a clamping point, have poor stability and large deflection, bring great pain to patients, the multifunctional electric bone drills are easy to replace, the Kirschner wires are exposed after being fixed, the acting force on the tail of the Kirschner wires is obviously reduced, the fixation looseness is prevented, the clamping shaft is adopted to fix the Kirschner wires, the force arm during drilling is reduced, the Kirschner wires are accurate in needle insertion and are not easy to slide, and the deflection amplitude is obviously reduced, the diameters of the drill bit and the needle are basically similar, and the drill is more favorable for further fixing or prying treatment.

The patient affected part that current bone drill can not be convenient firm when driling is fixed, in addition, the device is stable inadequately at operation in-process, and the drill bit produces vibrations at the drill bit in-process, can lead to the device probably to appear placing unstable problem to influence the normal operating of device, and can not carry out convenient dismantlement to the device, need an interlocking intramedullary nail locking nail location drilling equipment for this reason.

Disclosure of Invention

The utility model provides a pair of interlocking intramedullary nail locking nail location drilling equipment has solved the current bone drill that exists among the prior art and can not fix convenient firm patient affected part when driling, and in addition, the device is stable inadequately at operation in-process, and the drill bit produces vibrations at the drill bit in-process, can lead to the device probably to appear placing unstable problem to influence the normal operating of device, and can not carry out convenient dismantlement problem to the device.

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

an interlocking intramedullary nail locking positioning drilling device comprises a drill bit, wherein the bottom of the drill bit is movably connected with a drill cutter, two sides of the drill bit are respectively and slidably connected with a support column, the bottom of the support column is fixedly connected with a base, a clamping block is movably connected above the base, the bottom of the clamping block is fixedly connected with a connecting rod, a pull rod penetrates through the connecting rod, the outer wall of the pull rod is movably connected with a bearing, one side of the pull rod, far away from the bearing, is movably connected with a first arc-shaped rod, one side of the first arc-shaped rod, far away from the pull rod, is movably connected with a rotating wheel, one side of the rotating wheel, far away from the first arc-shaped rod, is movably connected with a second arc-shaped rod, two sides of the base are respectively and fixedly connected with a side block, the top of the side block is movably connected with a pressing plate, the top of the pressing plate is movably connected with a rotating column, one side of the rotating column is movably connected with a push rod, one side of the top of the pressing plate, far away from the rotating column, is fixedly connected with a stop block, and the bottom swing joint of clamp plate has the slip post, one side elastic connection of slip post has extension spring, and one side swing joint that extension spring kept away from the slip post has the connecting block, the platform is placed to the bottom fixedly connected with of base.

Preferably, the support columns are provided with two groups of four support columns, and the central axes of the support columns are perpendicular to the upper surface of the base.

Preferably, the rubber pad is tightly attached to the clamping block, and the clamping block is symmetrical relative to the central axis of the drill bit.

Preferably, the pull rod forms a sliding structure with the bearing through the rotating wheel and the first arc-shaped rod, and the clamping block forms a sliding structure with the base through the first arc-shaped rod and the rotating wheel.

Preferably, the pressure plate passes through to constitute movable structure between rotary column, push rod and the dog and the side piece, and the pressure plate is provided with two, and is symmetrical between the axis about the base.

Preferably, the sliding column is connected with the placing table in a sliding mode, and the pressing plate forms an elastic structure with the placing table through the sliding column and the extension spring.

In the utility model, the water-saving device is provided with a water-saving valve,

1. through the clamping block, the rubber pad, the connecting rod, the pull rod, the bearing, first arc pole, runner and second arc pole that set up, the process of fixing a position to patient's affected part before drilling has been accomplished, it rotates to drive the runner through the motor, the runner drives first arc pole and second arc pole in the rotation process and rotates, the pulling pull rod slides in the inside of bearing, be connected between pull rod and the connecting rod, therefore, first arc pole pulls the clamping block to slide above the base in the process of pulling the pull rod, carry out the centre gripping to the affected part, the problem that the precision is not high in the drilling process is solved, reach the promotion drilling precision, promote the purpose of drilling effect;

2. through the side piece that sets up, the clamp plate, the rotary column, the push rod, the dog, the slip post, extension spring and connecting block, accomplished and carried out the fixed process of fixing a position to the device, through rotating the rotary column, drive the push rod and promote the dog, it slides at the inside of placing the platform to drive the slide post of clamp plate through the bottom, make the top of side piece is kept away from to the clamp plate, the reverse operation, can firmly fix a position the device, the problem that can't carry out fixed positioning to the device has been solved, the purpose of convenient firm installation and convenient dismantlement has been reached simultaneously.

Drawings

Fig. 1 is a schematic front view of the interlocking intramedullary nail locking nail positioning and drilling device according to the present invention;

fig. 2 is a schematic rear view of the interlocking intramedullary nail locking nail positioning and drilling device according to the present invention;

fig. 3 is a schematic side view of the interlocking intramedullary nail locking positioning drilling device according to the present invention;

fig. 4 is an enlarged schematic structural view of a position a in fig. 1 of the interlocking intramedullary nail locking positioning and drilling device of the present invention.

In the figure: 1. a drill bit; 2. drilling a cutter; 3. a support pillar; 4. a base; 5. a clamping block; 6. a rubber pad; 7. a connecting rod; 8. a pull rod; 9. a bearing; 10. a first arcuate bar; 11. a rotating wheel; 12. a second arcuate bar; 13. a side block; 14. pressing a plate; 15. turning the column; 16. a push rod; 17. a stopper; 18. a sliding post; 19. an extension spring; 20. connecting blocks; 21. and (6) placing the table.

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.

Referring to fig. 1-4, the interlocking intramedullary nail locking positioning and drilling device comprises a drill bit 1, wherein the bottom of the drill bit 1 is movably connected with a drill cutter 2, two sides of the drill bit 1 are both connected with support columns 3 in a sliding manner, the bottom of each support column 3 is fixedly connected with a base 4, a clamping block 5 is movably connected above each base 4, two groups of four support columns 3 are arranged, and the central axis of each support column 3 is perpendicular to the upper surface of each base 4; the drill bit 1 can be stably supported, the stability of the drill bit 1 in the drilling process is guaranteed, the bottom of the clamping block 5 is fixedly connected with a connecting rod 7, a pull rod 8 penetrates through the connecting rod 7, the rubber pad 6 is tightly attached to the clamping block 5, and the clamping block 5 is symmetrical about the central axis of the drill cutter 2; the rubber pad 6 can protect the skin of a patient in the clamping process, the outer wall of the pull rod 8 is movably connected with a bearing 9, one side, away from the bearing 9, of the pull rod 8 is movably connected with a first arc-shaped rod 10, one side, away from the pull rod 8, of the first arc-shaped rod 10 is movably connected with a rotating wheel 11, one side, away from the first arc-shaped rod 10, of the rotating wheel 11 is movably connected with a second arc-shaped rod 12, the pull rod 8 and the bearing 9 form a sliding structure through the rotating wheel 11 and the first arc-shaped rod 10, and the clamping block 5 and the base 4 form a sliding structure through the first arc-shaped rod 10 and the rotating wheel 11; the affected part of a patient can be clamped and fixed conveniently, the problem that drilling accuracy is not high due to movement of the affected part can be solved, the side blocks 13 are fixedly connected to the two sides of the base 4, the top of each side block 13 is movably connected with the pressing plate 14, the pressing plates 14 form a movable structure through the rotating columns 15, the push rods 16, the stop blocks 17 and the side blocks 13, and the two pressing plates 14 are symmetrical about the central axis of the base 4; the device can be firmly positioned, the stability of the device during operation is enhanced, the precision of the device in the process of drilling in the orthopedics department is higher, the top of the pressing plate 14 is movably connected with the rotary column 15, one side of the rotary column 15 is movably connected with the push rod 16, one side, far away from the rotary column 15, of the top of the pressing plate 14 is fixedly connected with the stop block 17, the bottom of the pressing plate 14 is movably connected with the sliding column 18, one side of the sliding column 18 is elastically connected with the extension spring 19, one side, far away from the sliding column 18, of the extension spring 19 is movably connected with the connecting block 20, the bottom of the base 4 is fixedly connected with the placing table 21, the sliding column 18 is in sliding connection with the placing table 21, and the pressing plate 14 forms an elastic structure with the placing table 21 through the sliding column 18 and the extension spring 19; fixing the device and placing between the platform 21 that can be convenient, reinforcing device is at the stability of operation in-process, promotes the stability of orthopedics drilling.

The working principle is as follows: when the device is used, firstly, the affected part of a patient is clamped and fixed, the motor drives the rotating wheel 11 to rotate, the rotating wheel 11 drives the first arc-shaped rod 10 and the second arc-shaped rod 12 to rotate in the rotating process, the pulling pull rod 8 slides in the bearing 9, and the pull rod 8 is connected with the connecting rod 7, so that the first arc-shaped rod 10 pulls the clamping block 5 to slide above the base 4 in the process of pulling the pull rod 8 to clamp the affected part, the accuracy of the operation of the drilling equipment in the orthopedic drilling operation is improved, the quality of the completed operation is improved, meanwhile, the whole device needs to be fixed before the drilling operation, the device is prevented from shaking in the operation process to cause the dislocation of the drilled hole, the push rod 16 is driven to push the stop block 17 by rotating the rotating column 15, the press plate 14 is driven to slide in the placing table 21 through the sliding column 18 at the bottom, so that the pressure plate 14 is away from the top of the side block 13, operating in reverse, enabling a secure positioning of the device.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an interlocking intramedullary nail locking nail location drilling equipment, includes drill bit (1), its characterized in that: the drill bit comprises a drill bit (1), a drill cutter (2) is movably connected to the bottom of the drill bit (1), supporting columns (3) are slidably connected to the two sides of the drill bit (1), a base (4) is fixedly connected to the bottom of each supporting column (3), a clamping block (5) is movably connected to the upper portion of each base (4), a connecting rod (7) is fixedly connected to the bottom of each clamping block (5), a pull rod (8) penetrates through the connecting rod (7), a bearing (9) is movably connected to the outer wall of each pull rod (8), a first arc-shaped rod (10) is movably connected to one side, away from the bearing (9), of each pull rod (8), a rotating wheel (11) is movably connected to one side, away from the first arc-shaped rod (10), of each rotating wheel (11) is movably connected to a second arc-shaped rod (12), side blocks (13) are fixedly connected to the two sides of the bases (4), and the top swing joint of side piece (13) has clamp plate (14), the top swing joint of clamp plate (14) has rotary column (15), and one side swing joint of rotary column (15) has push rod (16), one side fixedly connected with dog (17) of rotary column (15) are kept away from at the top of clamp plate (14), and the bottom swing joint of clamp plate (14) has slip post (18), one side elastic connection of slip post (18) has extension spring (19), and one side swing joint that slip post (18) were kept away from in extension spring (19) has connecting block (20), platform (21) is placed to the bottom fixedly connected with of base (4).

2. The interlocking intramedullary nail locking positioning drilling device of claim 1, wherein: the support columns (3) are four in number, and the central axes of the support columns (3) are perpendicular to the upper surface of the base (4).

3. The interlocking intramedullary nail locking positioning drilling device of claim 1, wherein: still include rubber pad (6), closely laminate between rubber pad (6) and grip block (5), and symmetrical between the axis about drill cutter (2) is held in the grip block (5).

4. The interlocking intramedullary nail locking positioning drilling device of claim 1, wherein: the pull rod (8) forms a sliding structure with the bearing (9) through the rotating wheel (11) and the first arc-shaped rod (10), and the clamping block (5) forms a sliding structure with the base (4) through the first arc-shaped rod (10) and the rotating wheel (11).

5. The interlocking intramedullary nail locking positioning drilling device of claim 1, wherein: the pressing plate (14) forms a movable structure with the side block (13) through the rotating column (15), the push rod (16) and the stop block (17), and the two pressing plates (14) are symmetrical about the central axis of the base (4).

6. The interlocking intramedullary nail locking positioning drilling device of claim 1, wherein: the sliding column (18) is connected with the placing table (21) in a sliding mode, and the pressing plate (14) forms an elastic structure with the placing table (21) through the sliding column (18) and the extension spring (19).