Bone drilling and taking device for orthopedics department

Abstract

The utility model discloses a bone drilling and taking device for orthopedics, which belongs to the technical field of medical instruments and comprises a base and a trephine bone taking device body, the top of the base is fixedly connected with a lifting assembly, the lifting assembly comprises a fixing frame, the fixing frame is fixedly connected to one side of the top of the base, and a threaded rod is rotatably connected in the fixing frame. According to the trephine bone taking device, the trephine bone taking device body is effectively adjusted to a proper height through the height assembly, and secondary positioning is not needed after height positioning, so that the trephine bone taking device body can be maintained at the same height point position, the bone drilling and taking efficiency is improved, the operation is simple, and the operation is convenient. By means of the adjusting assembly, the trephine bone taking device body can effectively position bone drilling and taking point positions with different angles, the trephine bone taking device is suitable for various drilling angles, operation is convenient and fast, use convenience is improved, the bone drilling and taking effect is improved, and potential safety hazards are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a kind of bone drill bone extractor for orthopedics. BACKGROUND

[0002] Bone drill bone extractor for orthopedics is a specially designed medical instrument, mainly applied in orthopedic surgery. Its basic use is to drill holes on the skeleton and obtain bone tissue, which may be used for bone transplantation, pathological examination and other purposes. For example, in the treatment of nonunion after fracture, doctors need to obtain bone tissue from other parts of the patient's body (such as the ilium), and then transplant it to the nonunion site. Bone drill bone extractor plays a key role at this time.

[0003] The existing bone drill bone extractor for orthopedics still has the following defects when in use: 1. The height of the bone extractor can only be adjusted manually, and the positioning accuracy of the bone extraction height is low. After positioning, the heights may not be consistent, which reduces the efficiency of bone drilling and bone extraction.

[0004] 2. When positioning different angles of bone drilling and bone extraction, the operation is complex, and after positioning, there may be positioning deviation, which reduces the effect of bone drilling and bone extraction and easily causes safety hazards. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a bone drill bone extractor for orthopedics.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a bone drill bone extractor for orthopedics, comprising a base and a trephine bone extractor body, the base top is fixedly connected with a lifting assembly, the lifting assembly comprises a fixing frame, the fixing frame is fixedly connected on one side of the base top, a threaded rod is rotatably connected in the fixing frame, the threaded rod is threadedly connected with a transmission block, the transmission block is fixedly connected with a connecting block on one side, the threaded rod top end penetrates through the fixing frame top and is fixedly connected with a transmission shaft, the connecting block one side is connected with an adjusting assembly.

[0007] As a further description of the above technical scheme:

[0008] The adjusting assembly comprises a connecting plate fixedly connected to the connecting block, a connecting shaft rotatably connected to the side of the connecting plate away from the connecting block, a fixed plate fixedly connected to the end of the connecting shaft away from the connecting plate, a worm gear fixedly connected to the connecting shaft, a supporting rod fixedly connected to the side of the connecting plate, two groups of supporting rods rotatably connected between the two groups of supporting rods, the worm gear and the worm being in meshing connection, the worm being penetrated through one group of supporting rods and being fixedly connected with a secondary belt pulley, a driving motor fixedly connected to the one group of supporting rods, a primary belt pulley fixedly connected to the output end of the driving motor, a transmission belt sleeved between the primary belt pulley and the secondary belt pulley, a fixed ring fixedly connected to the side of the fixed plate, and a bolt connected to the fixed ring.

[0009] As a further description of the above technical solution:

[0010] The threaded hole is formed in the trephine bone extractor body, the bolt is penetrated through the fixed ring and is threadedly connected in the threaded hole.

[0011] As a further description of the above technical solution:

[0012] The fixed frame is provided with a sliding groove on both sides, and the transmission blocks are fixedly connected with sliding blocks which are slidingly connected in the sliding grooves.

[0013] As a further description of the above technical solution:

[0014] The primary belt pulley and the secondary belt pulley are arranged in parallel.

[0015] As a further description of the above technical solution:

[0016] The transmission shaft is fixedly connected with an adjusting knob at the top end.

[0017] The utility model has the advantages of the following:

[0018] 1、The utility model discloses a trephine bone extractor for orthopedics, which can effectively adjust the trephine bone extractor body to an appropriate height through a height assembly, and the trephine bone extractor body can be maintained at the same height point after positioning, thereby improving the bone drilling and extraction efficiency.

[0019] 2、The utility model discloses a trephine bone extractor for orthopedics, which can effectively position different angle bone drilling and extraction points through an adjusting assembly, is suitable for various angles, is convenient and fast to operate, improves the convenience, improves the bone drilling and extraction effect, and avoids the occurrence of safety hazards. DRAWINGS

[0020] Figure 1The utility model provides a kind of for the structure schematic diagram of bone drill bone extractor for orthopedics;

[0021] Figure 2 The utility model provides a kind of for the local structure schematic diagram of bone drill bone extractor for orthopedics Figure One ;

[0022] Figure 3 The utility model provides a kind of for the local structure schematic diagram of bone drill bone extractor for orthopedics Figure Two ;

[0023] Figure 4 The utility model provides a kind of for the local structure schematic diagram of bone drill bone extractor for orthopedics Figure Three ;

[0024] Figure 5 The utility model provides a kind of for the local structure schematic diagram of bone drill bone extractor for orthopedics Figure Four .

[0025] Legend:

[0026] 1, base; 2, fixed frame; 3, threaded rod; 4, transmission block; 5, connecting block; 6, sliding groove; 7, sliding block; 8, transmission shaft; 9, adjusting knob; 10, connecting plate; 11, connecting shaft; 12, fixed plate; 13, worm gear; 14, support rod; 15, worm; 16, drive motor; 17, main pulley; 18, transmission belt; 19, sub-pulley; 20, fixed ring; 21, bolt; 22, trephine bone extractor body; 23, threaded hole. Specific embodiments

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] With reference to Figures 1-5 , the utility model provides an embodiment: a kind of for the bone drill bone extractor of orthopedics, including base 1 and trephine bone extractor body 22, base 1 top is fixedly connected with lifting assembly, lifting assembly includes fixed frame 2, fixed frame 2 is fixedly connected in base 1 top one side, fixed frame 2 is rotatably connected with threaded rod 3 in, threaded rod 3 is screw-connected with transmission block 4, transmission block 4 one side is fixedly connected with connecting block 5, threaded rod 3 top end penetrates fixed frame 2 top and is fixedly connected with transmission shaft 8, connecting block 5 one side is connected and is provided with adjusting assembly.

[0029] The adjusting assembly comprises a connecting plate 10 fixedly connected to the connecting block 5, a connecting shaft 11 rotatably connected to the side of the connecting plate 10 away from the connecting block 5, a fixed plate 12 fixedly connected to the end of the connecting shaft 11 away from the connecting plate 10, a worm gear 13 fixedly connected to the connecting shaft 11, a support rod 14 fixedly connected to one side of the connecting plate 10, two groups of support rods 14 rotatably connected between the two groups of support rods 14, a worm 15 rotatably connected between the two groups of support rods 14, the worm gear 13 and the worm 15 being meshingly connected, one end of the worm 15 penetrating through one group of support rods 14 and being fixedly connected to a secondary belt pulley 19, a driving motor 16 fixedly connected to one group of support rods 14, a primary belt pulley 17 fixedly connected to the output end of the driving motor 16, a transmission belt 18 sleeved between the primary belt pulley 17 and the secondary belt pulley 19, a fixed ring 20 fixedly connected to one side of the fixed plate 12, a bolt 21 connected to the fixed ring 20, a trephine bone taking device body 22 provided with a threaded hole 23, the bolt 21 penetrating through the fixed ring 20 and being threadedly connected in the threaded hole 23, the trephine bone taking device body 22 being effectively fixed, the sliding grooves 6 being formed in the two sides of the fixed frame 2, the sliding blocks 7 being fixedly connected to the two sides of the transmission block 4 and being slidably connected in the sliding grooves 6, the stability of the transmission block 4 in driving the connecting block 5 being enhanced, the primary belt pulley 17 and the secondary belt pulley 19 being parallelly arranged, the worm 15 effectively driving the worm gear 13, so that the trephine bone taking device body 22 is driven to adjust the angle, the adjusting knob 9 being fixedly connected to the top end of the transmission shaft 8, the operation being convenient and fast, and the convenience of use being improved.

[0030] Working principle: when the trephine bone taking device is used for orthopedics, the trephine bone taking device body 22 is placed in the fixed ring 20, the bolt 21 is threadedly connected into the threaded hole 23 on the trephine bone taking device body 22 by rotating the bolt 21, the adjusting knob 9 is adjusted according to the use height, the threaded rod 3 on the transmission shaft 8 is rotated by the adjusting knob 9, the threaded rod 3 drives the transmission block 4 to move when the threaded rod 3 is rotated, the transmission block 4 drives the connecting plate 10 on the connecting block 5 to move in the fixed frame 2, the connecting plate 10 drives the trephine bone taking device body 22 on the adjusting assembly to adjust the height, the driving motor 16 is started, the driving motor 16 drives the primary belt pulley 17 to rotate, the primary belt pulley 17 drives the worm 15 on the secondary belt pulley 19 to rotate through the transmission belt 18, the worm 15 drives the meshingly connected worm gear 13, so that the worm gear 13 drives the connecting shaft 11 on the connecting plate 10 to rotate, the connecting shaft 11 drives the fixed ring 20 on the fixed plate 12 to rotate, and the fixed ring 20 drives the trephine bone taking device body 22 to position the bone drilling and bone taking point.

[0031] The electrical components appearing in the text are all electrically connected with the main controller and 220V mains, and the main controller can be a conventional known device such as a computer, and the detailed description of the known functions and known components is omitted in the specific embodiments of the disclosure. In order to ensure the compatibility of the device, the operation means adopted is consistent with the parameters of the market instruments.

[0032] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A bone drill and bone extractor for use in orthopedics, comprising a base (1) and a trephine bone extractor body (22), characterized in that: The base (1) top fixedly connected with lifting assembly, the lifting assembly includes fixed frame (2), the fixed frame (2) is fixedly connected in the base (1) top one side, the fixed frame (2) rotationally connected with threaded rod (3), the threaded rod (3) is threadedly connected with transmission block (4), the transmission block (4) one side fixedly connected with connecting block (5), the threaded rod (3) top end penetrates the fixed frame (2) top and is fixedly connected with transmission shaft (8), the connecting block (5) one side is connected and is provided with adjusting assembly.

2. The bone drill and bone extractor according to claim 1, characterized in that: The adjusting assembly includes connecting plate (10), the connecting plate (10) is fixedly connected on connecting block (5), the connecting plate (10) rotationally connected with connecting shaft (11) away from connecting block (5) one side, the connecting shaft (11) is fixedly connected with fixed plate (12) away from connecting plate (10) one end, the connecting shaft (11) is fixedly connected with worm wheel (13), the connecting plate (10) one side fixedly connected with support rod (14), the support rod (14) is provided with two groups, and the worm (15) is rotationally connected between the two groups of support rod (14), the worm wheel (13) and worm (15) are engagedly connected, one end of the worm (15) penetrates a group of support rod (14) and is fixedly connected with auxiliary belt pulley (19), the driving motor (16) is fixedly connected on the group of support rod (14), the driving motor (16) output is fixedly connected with main belt pulley (17), the main belt pulley (17) and auxiliary belt pulley (19) are sleeved with transmission belt (18) between, the fixed plate (12) one side is fixedly connected with fixed ring (20), the fixed ring (20) is connected and is provided with bolt (21).

3. The bone drill and bone extractor according to claim 2, wherein: The trephine bone extractor body (22) is provided with threaded hole (23), the bolt (21) penetrates the fixed ring (20) and is threadedly connected in the threaded hole (23).

4. The bone drill and bone extractor according to claim 1, wherein: The fixed frame (2) both sides are provided with sliding slot (6), the transmission block (4) both sides are fixedly connected with sliding block (7), the sliding block (7) is slidably connected in the sliding slot (6).

5. The bone drill and bone extractor of claim 2, wherein: The main belt pulley (17) and auxiliary belt pulley (19) are arranged in parallel.

6. The bone drill and bone extractor of claim 1, wherein: The transmission shaft (8) top end is fixedly connected with adjusting knob (9).

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