CN111743613A - An adjustable fracture reducer - Google Patents

Abstract

The invention discloses an adjustable fracture reducer, comprising a first guide rod, a second guide rod and a first half-ring fixing plate. One side of the first guide rod is movably connected with a first half-ring fixing plate. One side of the ring fixing plate is movably connected with a second guide rod, the top of the first guide rod is penetratingly connected with a first half-ring needle seat, and one side of the bottom of the first guide rod is movably connected with a second half-ring fixing plate, and the second half-ring fixing plate is movably connected. The top of the half-ring fixing plate is fixedly connected with a second half-ring needle seat, and the second half-ring needle seat has a needle seat chute. Move the needle clamp to a fixed position, so that the needle clamp moves in the needle seat chute, which is convenient for adjusting the insertion position of the needle piece. Adjusting the angle of the needle clamp is suitable for the use of fracture reduction, and has broad prospects for development in the future.

Description

An adjustable fracture reducer

technical field

The invention belongs to the technical field of orthopedic medical treatment, in particular to an adjustable fracture reducer.

Background technique

At present, the clinical reduction of long tubular fractures is mainly through reduction and fixation after traction, and internal fixation is performed in a stable state. The previous fracture reducer was mainly used for shortening and angular deformity, and it was difficult to stabilize and fix after reduction, and even affected the internal fixation and implantation. The operating space during the entry process.

The traditional fracture reduction techniques are generally closed reduction of the fracture site, and various manipulations such as pulling and stretching, rotating flexion and extension lamps are used, and most of them are controlled manually. It is not easy to make minor adjustments and other shortcomings, so that the fractured segment cannot achieve anatomical reduction, and even the basic functional reduction cannot be satisfied, resulting in treatment failure, causing huge economic losses and mental trauma to patients, and the current fractures In reduction therapy, the external fixator is also used as the reduction machine, but this external fixator has the disadvantages of small reduction movement range and insufficient flexibility.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an adjustable fracture reducer in order to solve the problems (poor fixation effect, weak flexibility, and certain limitations during use).

The technical scheme adopted by the present invention is as follows: an adjustable fracture reducer, comprising a first guide rod, a second guide rod and a first half ring fixing plate, one side of the first guide rod is movably connected with the first half ring A fixing plate, the inner wall of the first half-ring fixing plate is connected with the outer wall of the first guide rod, one side of the first half-ring fixing plate is movably connected with a second guide rod, and the outer wall of the second guide rod is connected with the outer wall of the first guide rod. The inner wall of the first half-ring fixing plate is connected, the top of the first guide rod is connected with a first half-ring needle seat, the inner wall of the first half-ring needle seat is connected with the outer wall of the first guide rod, and the first half-ring needle seat is connected to the outer wall of the first guide rod. The bottom side of a guide rod is movably connected with a second half-ring fixing plate, the inner wall of the second half-ring fixing plate is connected with the bottom of the first guide rod, and the top of the second half-ring fixing plate is fixedly connected with a first half-ring fixing plate. Two half-ring needle sockets, the bottom of the second half-ring needle socket is connected to the top of the second half-ring fixing plate by overlapping.

One side of the surface of the first half-ring fixing plate is fixedly connected with a chute, the bottom of the sliding groove is connected with the inner wall of the first half-ring fixing plate, and the other side of the surface of the first half-ring fixing plate is fixedly connected There is a first hole, the bottom of the first hole is connected with the inner wall of the first half-ring fixing plate, the top of the chute is embedded and connected with a fixing nut, and the bottom of the fixing nut is connected with the top of the chute.

A connecting block is fixedly connected to one side of the first half-ring needle seat, the outer wall of the connecting block is connected to the outer wall of the first half-ring needle seat, the top of the connecting block is fixedly connected with a second hole, the The outer wall of the second hole is connected with the inner wall of the connecting block, one side of the connecting block is tightly welded with a first half-arc plate, one end of the first half-arc plate is connected with the surface of the connecting block, and the first half-arc plate is connected to the surface of the connecting block. A second half-arc plate is fixedly connected to the bottom of one half-arc plate, one side of the second half-arc plate is connected to the inner side of the first half-arc plate, and the other side of the connecting block is embedded and connected with a second half-arc plate. Bolts, the inner wall of the second bolt is connected with one side of the connecting block.

The bottom of the first guide rod is fixedly connected with a fixed rod, the top of the fixed rod is connected with the inner wall of the first guide rod, the top of the fixed rod is fixedly connected with a connecting sleeve, and the inner wall of the connecting sleeve is connected with the inner wall of the first guide rod. The inner wall of the fixing rod is connected, the interior of the connecting sleeve is fixedly connected with a sliding groove, the outer wall of the sliding groove is connected with the interior of the connecting sleeve, the top of the connecting sleeve is embedded and connected with a telescopic rod, and the telescopic rod is connected The outer wall of the connecting sleeve is connected with the inner wall of the connecting sleeve, one side of the connecting sleeve is embedded and connected with a first bolt, and the outer wall of the first bolt is connected with the inner wall of the connecting sleeve.

Preferably, a connecting plate is fixedly connected to one side of the connecting block, one side of the connecting plate is connected to the top of the connecting block, and a baffle plate is tightly welded to the middle part of the second half-arc plate. One end is connected with the inner wall of the second half arc plate.

Preferably, the inside of the first half arc needle seat is fixedly connected with a needle seat chute, and the outer wall of the needle seat chute is connected with the inner wall of the first half arc needle seat.

Preferably, a rotating nut is movably connected to the top of the needle seat chute, the bottom of the rotating nut is connected to the top of the needle seat chute, and a threaded portion is fixedly connected to the bottom of the rotating nut, and the thread The outer wall of the threaded portion is connected with the outer wall of the rotating nut, the bottom of the threaded portion is embedded and connected with a fixed nut, the interior of the fixed nut is connected with the bottom of the threaded portion, and the interior of the fixed nut is fixedly connected with a slot.

Preferably, a clamping block is fixedly connected to the interior of the clamping slot, and the outer wall of the clamping block is connected to the inner wall of the clamping slot.

Preferably, a needle clamp is embedded and connected to the bottom of the fixing nut, and the inner wall of the needle clamp is connected with the inner wall of the fixing nut.

Preferably, a protective layer is fixedly connected to the inner side of the first half-ring fixing plate, and the inner wall of the protective layer is connected to the outer wall of the first half-ring fixing plate.

Preferably, the sliding groove on one side of the surface of the first half-ring fixing plate, the first hole on the other side of the surface of the first half-ring fixing plate and the fixing nut on the top of the sliding groove together constitute a limb adjustment and fixing mechanism.

Preferably, the connecting block on one side of the first half-ring needle seat, the second hole on the top of the connecting block, the first half-arc plate on one side of the connecting block is tightly welded, the second half-arc plate on the bottom of the first half-arc plate The half arc plate and the second bolt on the other side of the connecting block together form a needle seat adjustment and fixing mechanism.

Preferably, the fixing rod at the bottom of the first guide rod, the connecting sleeve at the top of the fixing rod, the sliding groove inside the connecting sleeve, the telescopic rod at the top of the connecting sleeve and the first bolt on one side of the connecting sleeve together form a stretch adjustment mechanism.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present invention are:

1. In the present invention, by setting the connecting plate 15, the connecting plate 15 is installed in the middle part of the second half-arc plate 17, and the connecting plate 15 is vertically arranged in the middle of the half-arc plate, so that it is convenient for the user to use the position of the connecting plate 15. The angles of the needle clamps 21 are adjusted in sequence, and the connecting plate 15 plays a blocking role to prevent the distance between the two needle clamps 21 from being too close, making it difficult to observe the bone connection of the patient.

2. In the present invention, by setting the needle seat chute 18 and setting the needle seat chute 18 on the surface of the first half-arc needle seat 4, the needle gripper 21 can move along the curved arc of the needle seat chute 18, which is convenient. The adjustment of various positions is fixed, making the reset more flexible.

3. In the present invention, by setting the rotating nut 19, the user can rotate the rotating nut 19 to loosen the connection between the needle clamp 21 and the needle seat chute 18, and manually move the needle clamp 21 to a fixed position, so that the needle clamp 21 moves in the needle seat chute 18, which is convenient for the user to move the needle gripper 21 in the axial direction, and at the same time rotate the rotating nut 19 again to make the needle gripper 21 stably fixed.

4. In the present invention, by setting the clamping block 23, a clamping block 23 is arranged on the top of the needle clamp 21, and the clamping block 23 has a raised clamping plate, which can be clamped in the clamping slot 28, so that the needle clamp 21 is fixed in the In the fixed nut 20, the needle clamp 21 is prevented from shaking due to the adjustment of the position of the insertion, which well reflects the detail of the device.

5. In the present invention, by setting the needle clamp 21, the needle clamp 21 is installed at the bottom of the fixed nut 20, and the needle clamp 21 has a slot inside, and the needle can be inserted into the needle clamp 21. The needle is fixed.

6. In the present invention, by setting the protective layer 12, the protective layer 12 is arranged on the inner side of the first semi-annular fixing plate 6, and the protective layer 12 has a certain toughness, so that the patient can be used comfortably when fixing the patient's limb.

7. In the present invention, by setting the limb fixing mechanism, a chute 13 is arranged on the surface side of the first half-ring fixing plate 6, and the chute 13 can penetrate into the second guide rod Half ring fixing plate 6, the second guide rod 2 can slide in the chute 13, it is convenient to adjust the position between the two guide rods, and it is easy to adjust to a suitable size, so that the limbs can be fixed more firmly, and the fixed nut 5 will be adjusted by rotating the fixed nut 5. The guide rod is fixed.

8. In the present invention, a connecting block 27 is provided on one side of the first half-annular needle seat 4 by setting the adjusting and fixing mechanism, and the surface of the connecting block 27 has a second hole 14, and the second hole 14 can allow the guide rod to penetrate, The first half-ring needle seat 4 can be moved up and down on the guide rod by manually moving, and a second bolt 26 is provided on one side of the connecting block 27, and the second bolt 26 can be rotated to move the first half-ring needle seat after moving. 4 is fixed, and at the same time, the device is provided with a first half-arc plate 16, and a needle seat chute 18 is formed between the first half-arc plate 16 and the second half-arc plate 17, so that the needle gripper 21 can slide on the needle seat. The groove 18 is threaded and fixed.

9. In the present invention, by setting the stretching adjustment mechanism, the user can loosen the connecting sleeve 10 by rotating the first bolt 8, and manually stretch the telescopic rod 3, so that the telescopic rod 3 is in the sliding groove inside the connecting sleeve 10. 22 moves, so that the first guide rod 1 is elongated or shortened, which is convenient for medical staff to adjust according to the actual situation, easy to adjust the overall size of the device, easy to store or adjust, so as to well reflect the adjustable applicability of the fracture reducer device .

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Figure 2 is a schematic cross-sectional structural diagram of a semi-annular fixed plate of the present invention;

Figure 3 is a schematic diagram of the cross-sectional structure of the half-ring needle seat of the present invention;

Fig. 4 is the connection structure schematic diagram of the connection sleeve of the present invention;

FIG. 5 is a schematic diagram of the cross-sectional structure of the needle gripper of the present invention.

Marked in the figure: 1. The first guide rod, 2. The second guide rod, 3. The telescopic rod, 4. The first half-ring needle seat, 5. The fixing nut, 6. The first half-ring fixing plate, 7. The fixing rod , 8, the first bolt, 9, the second half ring fixing plate, 10, the connecting sleeve, 11, the first hole, 12, the protective layer, 13, the chute, 14, the second hole, 15, the connecting plate , 16, the first half arc plate, 17, the second half arc plate, 18, the needle seat chute, 19, the rotating nut, 20, the fixed nut, 21, the needle clamp, 22, the sliding groove, 23, the card Block, 24, threaded part, 25, baffle plate, 26, second bolt, 27, connecting block, 28, clip groove, 29, second half-ring needle seat.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention; the terms "first", "second", "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise Clearly stipulated and defined, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or a Electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1-5, the present invention provides a technical solution: an adjustable fracture reducer, including a first guide rod 1, a second guide rod 2 and a first half-ring fixing plate 6, the first guide rod 1 A first half-ring fixing plate 6 is movably connected on one side, the inner wall of the first half-ring fixing plate 6 is connected with the outer wall of the first guide rod 1 , and one side of the first half-ring fixing plate 6 is movably connected with the second guide rod 2 , the outer wall of the second guide rod 2 is connected with the inner wall of the first half ring fixing plate 6, the top of the first guide rod 1 is connected with the first half ring needle seat 4, and the inner wall of the first half ring needle seat 4 is connected with the first half ring needle seat 4. The outer wall of the guide rod 1 is connected, the bottom side of the first guide rod 1 is movably connected with a second half-ring fixing plate 9, the inner wall of the second half-ring fixing plate 9 is connected with the bottom of the first guide rod 1, and the second half-ring fixing plate 9 is connected with the bottom of the first guide rod 1. The top of the fixing plate 9 is fixedly connected with a second half-ring needle seat 29 , and the bottom of the second half-ring needle seat 29 is connected to the top of the second half-ring fixing plate 9 by overlapping.

One side of the surface of the first half-ring fixing plate 6 is fixedly connected with a chute 13 , the bottom of the sliding groove 13 is connected with the inner wall of the first half-ring fixing plate 6 , and the other side of the surface of the first half-ring fixing plate 6 is fixedly connected with The bottom of the first hole 11 is connected with the inner wall of the first half ring fixing plate 6 , the top of the chute 13 is embedded with a fixing nut 5 , and the bottom of the fixing nut 5 is connected with the top of the chute 13 .

A connecting block 27 is fixedly connected to one side of the first half-ring needle seat 4, the outer wall of the connecting block 27 is connected to the outer wall of the first half-ring needle seat 4, the top of the connecting block 27 is fixedly connected with the second hole 14, the second The outer wall of the hole 14 is connected with the inner wall of the connecting block 27. One side of the connecting block 27 is tightly welded with the first half-arc plate 16, and one end of the first half-arc plate 16 is connected with the surface of the connecting block 27. The first plate The bottom of the half-arc plate 16 is fixedly connected with a second half-arc plate 17 , one side of the second half-arc plate 17 is overlapped with the inner side of the first half-arc plate 16 , and the other side of the connecting block 27 is embedded and connected with a second bolt 26 , the inner wall of the second bolt 26 is connected with one side of the connecting block 27 .

The bottom of the first guide rod 1 is fixedly connected with a fixed rod 7, the top of the fixed rod 7 is connected with the inner wall of the first guide rod 1, the top of the fixed rod 7 is fixedly connected with a connecting sleeve 10, and the inner wall of the connecting sleeve 10 is fixed with The inner wall of the rod 7 is connected, the interior of the connecting sleeve 10 is fixedly connected with a sliding groove 22, the outer wall of the sliding groove 22 is connected with the interior of the connecting sleeve 10, the top of the connecting sleeve 10 is embedded and connected with a telescopic rod 3, and the The outer wall is connected with the inner wall of the connecting sleeve 10 , one side of the connecting sleeve 10 is embedded and connected with the first bolt 8 , and the outer wall of the first bolt 8 is connected with the inner wall of the connecting sleeve 10 .

Preferably, one side of the connecting block 27 is fixedly connected with the connecting plate 15, one side of the connecting plate 15 is connected with the top of the connecting block 27, the middle part of the second half-arc plate 17 is tightly welded with the baffle plate 25, One end is connected to the inner wall of the second half-arc plate 17, because in the existing device, the device needs to move the position of the needle clamp 21 to fix different bones, and the needle clamp is not limited to the adjustment position, through The connecting plate 15 is provided, and the connecting plate 15 is installed in the middle part of the second half-arc plate 17. The connecting plate 15 is vertically arranged in the middle of the half-arc plate, so that the user can adjust the needle gripper 21 in sequence according to the position of the connecting plate 15. and the connecting plate 15 plays a blocking role to prevent the distance between the two needle clamps 21 from being too close, making it difficult to observe the bone connection of the patient.

Preferably, the inside of the first half-arc needle seat 4 is fixedly connected with a needle seat chute 18, and the outer wall of the needle seat chute 18 is connected with the inner wall of the first half-arc needle seat 4, because in the existing device, the device structure It is simple, and different patients have different positions of bone fractures. The existing device only fixes one position for detection, and cannot be adjusted according to the actual situation. The chute 18 and the needle gripper 21 can move along the curved arc of the chute 18 of the needle seat, which facilitates the adjustment and fixing of various positions and makes the reset more flexible.

Preferably, the top of the needle seat chute 18 is movably connected with a rotating nut 19, the bottom of the rotating nut 19 is connected with the top of the needle seat chute 18, and the bottom of the rotating nut 19 is fixedly connected with a threaded portion 24, and the threaded portion 24 The outer wall of the threaded portion 24 is connected with the outer wall of the rotating nut 19, the bottom of the threaded portion 24 is embedded and connected with a fixed nut 20, the interior of the fixed nut 20 is connected with the bottom of the threaded portion 24, and the interior of the fixed nut 20 is fixedly connected with a slot 28, Due to the different positions of bone repositioning in different patients during repositioning surgery, and the existing device has a simple structure, it cannot be adjusted according to actual needs, and it is difficult to fix the needle for stable puncture. By setting the rotating nut 19, the user can rotate Rotate the nut 19 to loosen the connection between the needle gripper 21 and the needle seat chute 18, and manually move the needle gripper 21 to a fixed position, so that the needle gripper 21 moves in the needle seat chute 18, which is convenient for the user to remove the needle gripper 21 moves axially, and at the same time rotates the rotating nut 19 again, so that the needle clamp 21 is stably fixed, which well reflects the stability and firmness of the device.

Preferably, a clamping block 23 is fixedly connected to the interior of the clamping slot 28, and the outer wall of the clamping block 23 is connected to the inner wall of the clamping slot 28. Since the device connection needle penetrates into the limb during the reduction therapy operation, and the needle cannot be arbitrarily inserted Rotation, and when the fixed nut of the existing device rotates, it will drive the needle clamp to shake. By setting the clamping block 23, a clamping block 23 is arranged on the top of the needle clamping device 21, and the clamping block 23 has a raised clamping plate. It can be stuck in the slot 28, so that the needle gripper 21 is fixed in the fixing nut 20, so as to avoid the needle gripper 21 from shaking due to the adjustment of the insertion position, which well reflects the detail of the device.

Preferably, a needle clamp 21 is embedded and connected to the bottom of the fixed nut 20, and the inner wall of the needle clamp 21 is connected to the inner wall of the fixed nut 20. Because during the reduction operation, the needle needs to penetrate into the limb, and the position To fix, by setting the needle holder 21, the needle holder 21 is installed at the bottom of the fixing nut 20. The needle holder 21 has a slot inside, and the needle can be inserted into the needle holder 21, so that the needle is fixed. Live, a good demonstration of the stability of the device.

Preferably, a protective layer 12 is fixedly connected to the inner side of the first semi-annular fixed plate 6, and the inner wall of the protective layer 12 is connected to the outer wall of the first semi-annular fixed plate 6. Because in the existing device, most of the fixed plates in the device are The material of the steel plate is relatively hard, and during the fracture reduction operation, it takes a long time and the patient feels uncomfortable. By setting the protective layer 12, a protective layer 12 is arranged on the inner side of the first semi-annular fixed plate 6. The protective layer 12 has It has a certain toughness, so that the patient can be used comfortably when fixing the patient's limb, which well reflects the comfort of the device.

Preferably, the sliding groove 13 on one side of the surface of the first half-ring fixing plate 6, the first hole 11 on the other side of the surface of the first half-ring fixing plate 6 and the fixing nut 5 on the top of the sliding groove 13 together constitute the limb adjustment and fixing mechanism , Because the limbs of different patients are different in size during fracture reduction surgery, and the existing device generally fixes the limb size, it is difficult to stabilize the limbs of different patients. By setting the limb fixation mechanism, the first half ring fixing plate 6 A chute 13 is provided on one side of the surface, the chute 13 can penetrate the second guide rod 2, and at the same time, it is fixed on the first half-ring fixing plate 6 by the fixing nut 5, and the second guide rod 2 can slide in the chute 13, which is convenient Adjusting the position between the two guide rods is easy to adjust to a suitable size, so that the limbs can be fixed more firmly, and the fixed nut 5 is rotated to fix the adjusted guide rod, which well reflects the fixation firmness of the fracture reducer device.

Preferably, the connecting block 27 on one side of the first half-ring needle seat 4, the second hole 14 on the top of the connecting block 27, the first half-arc plate 16 tightly welded on one side of the connecting block 27, the first half-arc plate The second half-arc plate 17 at the bottom of the 16 and the second bolt 26 on the other side of the connecting block 27 together form the needle seat adjustment and fixing mechanism, because in the existing device, the flexibility of the device is poor, and the fracture sites of different patients are different, The angle at which the pin needs to be fixed is also different. By setting the adjustment and fixing mechanism, a connecting block 27 is arranged on one side of the first half-ring needle seat 4. The surface of the connecting block 27 has a second hole 14, and the second hole 14 can make the guide rod. For penetration, the first half-ring needle seat 4 can be moved up and down on the guide rod manually, and a second bolt 26 is provided on one side of the connecting block 27, and the second bolt 26 can be rotated to move the first half of the The annular needle seat 4 is fixed, and at the same time, the device is provided with a first half-arc plate 16, and a needle seat chute 18 is formed between the first half-arc plate 16 and the second half-arc plate 17, which is convenient for the needle clamp 21 The needle seat chute 18 is penetrated and fixed, so as to well reflect the adjustability and controllability of the adjusting and fixing mechanism.

Preferably, the fixing rod 7 at the bottom of the first guide rod 1, the connecting sleeve 10 on the top of the fixing rod 7, the sliding groove 22 inside the connecting sleeve 10, the telescopic rod 3 on the top of the connecting sleeve 10 and the side of the connecting sleeve 10 The first bolts 8 together form a stretching adjustment mechanism, because in the existing device, the device has a simple structure, and the flexibility of the device is poor, and the existing device has a large structure and is inconvenient to store. The user can loosen the connecting sleeve 10 by rotating the first bolt 8, and manually stretch the telescopic rod 3, so that the telescopic rod 3 moves in the sliding groove 22 inside the connecting sleeve 10, so that the first guide rod 1 is elongated or shortened. , it is convenient for medical staff to adjust according to the actual situation, it is convenient to adjust the overall size of the device, and it is convenient to store or adjust, so as to well reflect the adjustable applicability of the fracture reducer device.

Working principle: First, by setting the clamping block 23, a clamping block 23 is arranged on the top of the needle clamp 21, and the clamping block 23 has a raised clamping plate, which can be clamped in the clamping groove 28, so that the needle clamp 21 is fixed in the fixed position Inside the nut 20, the needle clamp 21 is prevented from shaking due to the adjustment of the position of the insertion, which well reflects the detail of the device;

Then, by setting the needle seat chute 18, the needle seat chute 18 is arranged on the surface of the first half-arc needle seat 4, and the needle clamp 21 can move along the curved arc of the needle seat chute 18, which is convenient for various positions. The adjustment is fixed, making the reset more flexible;

Next, by setting the limb fixing mechanism, a chute 13 is provided on the surface side of the first half-ring fixing plate 6, and the sliding slot 13 can penetrate into the second guide rod 2, and at the same time, it is fixed in the first half-ring fixed by the fixing nut 5 Plate 6, the second guide rod 2 can slide in the chute 13, it is convenient to adjust the position between the two guide rods, and it is easy to adjust to a suitable size, so that the limbs can be fixed more firmly, and the fixed nut 5 is rotated to fix the adjusted guide rod. , which well reflects the fixation firmness of the fracture reducer device;

Then, by setting the adjusting and fixing mechanism, a connecting block 27 is arranged on one side of the first half-ring needle seat 4, and the surface of the connecting block 27 has a second hole 14, and the second hole 14 can allow the guide rod to penetrate, which can be manually Move the first half-ring needle seat 4 to move up and down on the guide rod, and at the same time, a second bolt 26 is provided on one side of the connecting block 27, and the second bolt 26 can be rotated to fix the moved first half-ring needle seat 4. At the same time, a first half-arc plate 16 is provided on the device, and a needle seat chute 18 is formed between the first half-arc plate 16 and the second half-arc plate 17, so that the needle holder 21 can be easily placed on the needle seat chute 18. Penetration and fixation, which well reflects the adjustability and controllability of the adjustment and fixation mechanism;

Finally, by setting the extension adjustment mechanism, the user can loosen the connection sleeve 10 by rotating the first bolt 8, and manually stretch the telescopic rod 3, so that the telescopic rod 3 moves in the sliding groove 22 inside the connection sleeve 10, so that the The first guide rod 1 is elongated or shortened, which is convenient for medical staff to adjust according to the actual situation, convenient for adjusting the overall size of the device, and convenient for storage or adjustment, which well reflects the adjustable applicability of the fracture reducer device. The working principle of an adjustable fracture reducer.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (10)

1. The utility model provides a fracture restorer with adjustable, includes first guide arm (1), second guide arm (2) and first semi-ring fixed plate (6), its characterized in that: one side of the first guide rod (1) is movably connected with a first semi-ring fixing plate (6), the inner wall of the first semi-ring fixing plate (6) is connected with the outer wall of the first guide rod (1), one side of the first semi-ring fixing plate (6) is movably connected with a second guide rod (2), the outer wall of the second guide rod (2) is connected with the inner wall of the first semi-ring fixing plate (6), the top of the first guide rod (1) is connected with a first semi-ring needle base (4) in a penetrating manner, the inner wall of the first semi-ring needle base (4) is connected with the outer wall of the first guide rod (1), one side of the bottom of the first guide rod (1) is movably connected with a second semi-ring fixing plate (9), the inner wall of the second semi-ring fixing plate (9) is connected with the bottom of the first guide rod (1), the top of the second semi-ring fixing plate (9) is fixedly connected, the bottom of the second semi-annular needle seat (29) is connected with the top of the second semi-annular fixing plate (9) in an overlapping way.

The semi-ring fixing device is characterized in that a sliding groove (13) is fixedly connected to one side of the surface of the first semi-ring fixing plate (6), the bottom of the sliding groove (13) is connected with the inner wall of the first semi-ring fixing plate (6), a first hole (11) is fixedly connected to the other side of the surface of the first semi-ring fixing plate (6), the bottom of the first hole (11) is connected with the inner wall of the first semi-ring fixing plate (6), a fixing nut (5) is connected to the top of the sliding groove (13) in an embedded mode, and the bottom of the fixing nut (5) is connected with the top of the sliding groove (13).

One side of the first semi-annular needle seat (4) is fixedly connected with a connecting block (27), the outer wall of the connecting block (27) is connected with the outer wall of the first semi-annular needle seat (4), the top of the connecting block (27) is fixedly connected with a second hole (14), the outer wall of the second hole (14) is connected with the inner wall of the connecting block (27), a first plate semi-arc plate (16) is tightly welded on one side of the connecting block (27), one end of the first plate half-arc plate (16) is connected with the surface of the connecting block (27), the bottom of the first plate semi-arc plate (16) is fixedly connected with a second semi-arc plate (17), one side of the second half-arc plate (17) is connected with the inner side of the first half-arc plate (16) in an overlapping way, and a second bolt (26) is embedded and connected to the other side of the connecting block (27), and the inner wall of the second bolt (26) is connected with one side of the connecting block (27).

The utility model discloses a guide rod, including the bottom fixedly connected with dead lever (7) of first guide arm (1), the top of dead lever (7) links to each other with the inner wall of first guide arm (1), the top fixedly connected with connecting sleeve (10) of dead lever (7), the inner wall of connecting sleeve (10) links to each other with the inner wall of dead lever (7), the inside fixedly connected with sliding tray (22) of connecting sleeve (10), the outer wall of sliding tray (22) links to each other with the inside of connecting sleeve (10), the top embedding of connecting sleeve (10) is connected with telescopic link (3), the outer wall of telescopic link (3) links to each other with the inner wall of connecting sleeve (10), one side embedding of connecting sleeve (10) is connected with first bolt (8), the outer wall of first bolt (8) links to each other with the inner wall of connecting sleeve (10).

2. The adjustable fracture reduction device according to claim 1, wherein: one side fixedly connected with connecting plate (15) of connecting block (27), one side of connecting plate (15) links to each other with the top of connecting block (27), the middle part of the half arc board of second (17) closely welds baffle (25), the one end of baffle (25) links to each other with the inner wall of the half arc board of second (17).

3. The adjustable fracture reduction device according to claim 1, wherein: the inside fixedly connected with needle file spout (18) of first half arc needle file (4), the outer wall of needle file spout (18) links to each other with the inner wall of first half arc needle file (4).

4. The adjustable fracture reduction device according to claim 3, wherein: the top swing joint of needle file spout (18) has rotatory nut (19), the bottom of rotatory nut (19) links to each other with the top of needle file spout (18), the bottom fixedly connected with screw thread portion (24) of rotatory nut (19), the outer wall of screw thread portion (24) links to each other with rotatory nut (19) outer wall, the bottom embedding of screw thread portion (24) is connected with fixation nut (20), the inside of fixation nut (20) links to each other with the bottom of screw thread portion (24), the inside fixedly connected with draw-in groove (28) of fixation nut (20).

5. The adjustable fracture reduction device according to claim 4, wherein: the inside fixedly connected with fixture block (23) of draw-in groove (28), the outer wall of fixture block (23) links to each other with the inner wall of draw-in groove (28).

6. The adjustable fracture reduction device according to claim 4, wherein: the bottom of the fixing nut (20) is connected with a needle holder (21) in an embedded mode, and the inner wall of the needle holder (21) is connected with the inner wall of the fixing nut (20).

7. The adjustable fracture reduction device according to claim 1, wherein: the inner side of the first semi-annular fixing plate (6) is fixedly connected with a protective layer (12), and the inner wall of the protective layer (12) is connected with the outer wall of the first semi-annular fixing plate (6).

8. The adjustable fracture reduction device according to claim 1, wherein: the limb adjusting and fixing mechanism comprises a sliding groove (13) on one side of the surface of the first semi-ring fixing plate (6), a first hole (11) on the other side of the surface of the first semi-ring fixing plate (6) and a fixing nut (5) on the top of the sliding groove (13).

9. The adjustable fracture reduction device according to claim 1, wherein: the needle seat adjusting and fixing mechanism comprises a connecting block (27) on one side of the first semicircular needle seat (4), a second hole (14) at the top of the connecting block (27), a first plate semi-arc plate (16) tightly welded on one side of the connecting block (27), a second semi-arc plate (17) at the bottom of the first plate semi-arc plate (16) and a second bolt (26) on the other side of the connecting block (27) which jointly form the needle seat adjusting and fixing mechanism.

10. The adjustable fracture reduction device according to claim 1, wherein: the stretching adjusting mechanism is characterized in that a fixing rod (7) at the bottom of the first guide rod (1), a connecting sleeve (10) at the top of the fixing rod (7), a sliding groove (22) inside the connecting sleeve (10), a telescopic rod (3) at the top of the connecting sleeve (10) and a first bolt (8) on one side of the connecting sleeve (10) jointly form the stretching adjusting mechanism.

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