Adjustable bone flap osteotomy device

Abstract

The utility model relates to the technical field of bone flap osteotomy, and discloses an adjustable bone flap osteotomy device which comprises a positioning box, a plurality of positioning holes are formed in the inner wall of the positioning box, a cutting groove is formed in the inner wall of the positioning box, a first protective shell is fixedly connected to the outer portion of the positioning box, and a second protective shell is fixedly connected to the outer portion of the first protective shell. The outer portion of the first protective shell is fixedly connected with a transmission assembly providing transmission capacity, a sliding groove is formed in the inner wall of the first protective shell, the outer portion of the transmission assembly is fixedly connected with a first connecting rod, the inner wall of the first protective shell is rotationally connected with a driven shaft, and the outer portion of the driven shaft is fixedly connected with a driven wheel. And the outer part of the positioning box is fixedly connected with a connecting block. By means of the structure, the problems that an operator feels tired or nervous after working for a long time, the hand shakes during an operation, and the cutting position is inaccurate are solved, and the positioning performance and the operation convenience of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bone flap osteotomy, and particularly relates to an adjustable bone flap osteotome. Background Art

[0002] An adjustable bone flap osteotome is a surgical tool used for cutting and trimming bones. It is very useful in the fields of orthopedics and maxillofacial surgery. Especially in fracture repair and bone grafting surgeries, due to its flexibility and precision, the adjustable bone flap osteotome plays an important role in modern surgical operations, helping surgeons better complete complex orthopedic procedures.

[0003] After retrieval: Chinese Patent Publication No.: CN206381211U, which relates to the technical field of bone flap osteotomy. The utility model discloses a greater trochanter bone flap transfer osteotome for femoral head necrosis, which is used in the technical field of surgical instruments. It includes a hollow osteotome body. The front wall of the osteotome body is open, and a three-sided cutter head structure is formed at the lower end of the osteotome body. A first bone cutter osteotomy groove is provided at the lower end of the osteotome body. Above the first bone cutter osteotomy groove in the osteotome body, several first clamping grooves are provided, and an osteotome striker plate for limiting the osteotomy depth of the osteotome body is arranged in the first clamping grooves. When operating with the utility model, through the hollow osteotome body, the greater trochanter bone flap to be transferred can be accurately positioned. The unique design of the three-sided cutter head structure can not only be used for osteotomy, but the vacant front wall is the walking area for the transverse branch of the lateral femoral circumflex artery to enter the greater trochanter, greatly reducing the degree of vascular injury during osteotomy. At the same time, the size of the bone flap is limited by osteotome striker plates with different depths. The utility model has the advantages of simple structure, convenient operation, and accurate positioning.

[0004] In the above patent embodiment, it is recorded that "the size of the bone flap is limited by osteotome striker plates with different depths". However, during the striking process, due to long-term medical work or fatigue generated during different procedures, the hands of the staff shake, resulting in medical errors or inaccurate cutting positions. Now, an adjustable bone flap osteotome is proposed. Summary of the Utility Model

[0005] An adjustable bone flap osteotome proposed by the utility model aims to improve the problem that medical errors occur due to hand shaking caused by fatigue when operators work for a long time or use multiple medical procedures.

[0006] To achieve the above object, the utility model provides the following technical solutions:

[0007] An adjustable bone flap osteotome, comprising a positioning box, wherein a plurality of positioning holes are provided on the inner wall of the positioning box, a cutting groove is provided on the inner wall of the positioning box, a protective shell I is fixedly connected to the outside of the positioning box, a transmission component for providing transmission capacity is fixedly connected to the outside of the protective shell I, a sliding groove is provided on the inner wall of the protective shell I, a connecting rod I is fixedly connected to the outside of the transmission component, a driven shaft is rotatably connected to the inner wall of the protective shell I, a driven wheel is fixedly connected to the outside of the driven shaft, a connecting block is fixedly connected to the outside of the positioning box, and a cutting blade is fixedly connected to the outside of the connecting rod I.

[0008] As a further description of the above technical solution:

[0009] The transmission component includes a motor, the output end of the motor is fixedly connected with a driving shaft, a driving wheel is fixedly connected to the outside of the driving shaft, a transmission belt is meshed and connected to the outside of the driving wheel and the outside of the driven shaft, and the outside of the motor is fixedly connected to the outside of the protective shell I.

[0010] As a further description of the above technical solution:

[0011] A connecting block is fixedly connected to the outside of the positioning box, a telescopic rod is fixedly connected to the outside of the connecting block, and a base is fixedly connected to the outside of the telescopic rod.

[0012] As a further description of the above technical solution:

[0013] Two bolts are threadedly connected to the front side of the outside of the base, a connecting rod II is threadedly connected to the outside of the bolts, and a rotating bolt is threadedly connected to the outside of the right side of the connecting rod II.

[0014] As a further description of the above technical solution:

[0015] Rotating rings are rotatably connected to the left and right sides of the outside of the rotating bolt, a connecting box is rotatably connected to the outside of the two rotating bolts, and a placement groove is provided on the inner wall of the connecting box.

[0016] As a further description of the above technical solution:

[0017] A fixed shaft I is rotatably connected to the inner wall of the connecting box, a rotating nut is threadedly connected to the outside of the fixed shaft I, an extension rod is fixedly connected to the outside of the fixed shaft I, a fixed ring is fixedly connected to the outside of the extension rod, and an adjusting bolt is fixedly connected to the inner wall of the fixed ring.

[0018] As a further description of the above technical solution:

[0019] On the left and right sides of the outside of the adjusting bolt, there are connecting boxes fixedly connected. On the outside of the connecting boxes, there are two fixing bolts rotatably connected. On the outside of the two fixing bolts, there are two elastic components providing contraction ability rotatably connected. On the outside of the elastic components, there is a second fixed shaft rotatably connected. On the outside of the second fixed shaft, there is a locking rod fixedly connected.

[0020] As a further description of the above technical solution:

[0021] The elastic component includes two rotating rods. Inside the rotating rods, there is a spring slidably connected. Outside the spring, there is a third connecting rod sleeved. The outside of the third connecting rod is fixedly connected to the outside of the rotating rod. The inside of the rotating rod is rotatably connected to the outside of the spring.

[0022] Compared with the prior art, the present utility model has the following beneficial effects:

[0023] 1. In the present utility model, by fitting the positioning box to the patient's knee bone, driving in the required number of nails through the positioning holes, and starting the transmission component to move left and right, the cutting blade connected to the outside of the transmission component can be quickly moved to perform resection on the knee bone. This structure realizes that when the operator is fatigued or nervous during long-term work, resulting in hand tremors during the operation, which may cause inaccurate cutting positions, and improves the positioning and operation convenience of the device.

[0024] 2. In the present utility model, by rotating the second fixed shaft, the third connecting rod arranged inside the elastic component can cause the rotating rod to contract or be manually pulled and expanded. After adjusting the elastic component to an appropriate angle and clamping size, then place the inside of the elastic component outside the patient's leg. This structure realizes that the elastic force of the device can be adjusted arbitrarily according to the size of the patient's leg, enabling the device to firmly fix the patient's leg and improving the connection stability between the device and the patient's leg. Description of the Drawings

[0025] Figure 1 It is a three-dimensional view of an adjustable bone flap osteotome proposed by the present utility model;

[0026] Figure 2 It is a schematic structural diagram of the first fixed shaft of an adjustable bone flap osteotome proposed by the present utility model;

[0027] Figure 3 It is a sectional view of the first protective shell;

[0028] Figure 4 It is a schematic structural diagram of the connecting box of an adjustable bone flap osteotome proposed by the present utility model;

[0029] Figure 5Schematic diagram of the positioning box structure of an adjustable bone flap osteotome proposed by the present utility model;

[0030] Figure 6 is Figure 1 The enlarged view of part A in [the figure].

[0031] Legend:

[0032] 1. Positioning box; 2. Positioning hole; 3. Cutting groove; 4. First protective shell; 5. Motor; 6. Driving shaft; 7. Driving wheel; 8. Sliding groove; 9. Driven shaft; 10. Driven wheel; 11. Transmission belt; 12. First connecting rod; 13. Cutting blade; 14. Connecting block; 15. Base; 16. Placing groove; 17. Bolt; 18. Second connecting rod; 19. Rotating bolt; 20. Connecting box; 21. First fixed shaft; 22. Rotating nut; 23. Extension rod; 24. Fixed ring; 25. Adjusting bolt; 26. Connecting box; 27. Rotating rod; 28. Second fixed shaft; 29. Locking rod; 30. Telescopic rod; 31. Rotating ring; 32. Fixed bolt; 33. Spring; 34. Third connecting rod. Specific implementation manners

[0033] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] Refer to Figure 5, an embodiment provided by the present utility model: an adjustable bone flap osteotome, including a positioning box 1 for positioning the device with the knee. A plurality of positioning holes 2 are provided on the inner wall of the positioning box 1, which are usually used for accurately positioning and fixing medical devices or implants. A cutting groove 3 is provided on the inner wall of the positioning box 1, which can be used to guide cutting or fitting, so that the instrument can better adapt to the anatomical structure, thereby improving the accuracy and effect of treatment. A protective shell 1 4 is fixedly connected to the outside of the positioning box 1 to prevent damage or contamination of the device during use, and at the same time can also protect the patient from physical injury of the device. A transmission component providing transmission capacity is fixedly connected to the outside of the protective shell 1 4. A sliding groove 8 is provided on the inner wall of the protective shell 1 4 for providing a smooth movement path, so that the components can slide or adjust their positions precisely. A connecting rod 1 12 is fixedly connected to the outside of the transmission component to provide mechanical support, fix different components together, and ensure the stability and reliability of the device during use. A driven shaft 9 is rotatably connected to the inner wall of the protective shell 1 4, which is a shaft responsible for receiving and transmitting power, but does not directly participate in the control of the drive source. A driven wheel 10 is fixedly connected to the outside of the driven shaft 9, which is a wheel that receives the power transmitted by the main component and transmits it to other parts. A connecting block 14 is fixedly connected to the outside of the positioning box 1, and a cutting blade 13 is fixedly connected to the outside of the connecting rod 1 12. It is used to cut the patient's bone.

[0035] Refer to Figure 3 , Figure 5 , Figure 6 , the transmission component includes a motor 5, a device that converts electrical energy into mechanical energy. The output end of the motor 5 is fixedly connected to a drive shaft 6, which is mainly responsible for transmitting power. A drive wheel 7 is fixedly connected to the outside of the drive shaft 6, which is mainly used to transmit the power of the power source to other components. A transmission belt 11 is meshed and connected between the outside of the drive wheel 7 and the outside of the driven shaft 9 to transmit rotational motion and power. The motor 5 is fixedly connected to the outside of the protective shell 1 4. A connecting block 14 is fixedly connected to the outside of the positioning box 1, and a telescopic rod 30 is fixedly connected to the outside of the connecting block 14, which is mainly used to adjust the length of the device. A base 15 is fixedly connected to the outside of the telescopic rod 30, which is a part that supports or fixes a device, structure or object. Two bolts 17 are threadedly connected to the front side outside of the base 15. A connecting rod 2 18 is threadedly connected to the outside of the bolt 17. A rotating bolt 19 is threadedly connected to the outside of the right side of the connecting rod 2 18 to fix or adjust the position of an object. Rotating rings 31 are rotatably connected to both the left and right sides outside the rotating bolt 19. A connecting box 20 is rotatably connected to the outside of the two rotating bolts 19. A placement groove 16 is provided on the inner wall of the connecting box 20. Place and fix other components safely.

[0036] Refer to Figure 1 , Figure 2 , Figure 4, a fixed shaft one 21 is rotatably connected to the inner wall of the connection box 20. A rotating nut 22 is threadedly connected to the outside of the fixed shaft one 21. An extension rod 23 is fixedly connected to the outside of the fixed shaft one 21 to increase the length between structures. A fixing ring 24 is fixedly connected to the outside of the extension rod 23 for maintaining the fixed position of other components in the device or assembly. An adjusting bolt 25 is fixedly connected to the inner wall of the fixing ring 24, which is a mechanical device for adjusting and fixing the position or tension. Connecting boxes 26 are fixedly connected to the left and right sides of the outside of the adjusting bolt 25. Two fixing bolts 32 are rotatably connected to the outside of the connecting box 26. Two elastic force components providing contraction ability are rotatably connected to the outside of the two fixing bolts 32. The outside of the elastic force components is rotatably connected to a fixed shaft two 28. A locking rod 29 is fixedly connected to the outside of the fixed shaft two 28 for fixing or locking other components to ensure their stability and safety during use. The elastic force components include two rotating rods 27. A spring 33 is slidably connected to the inner wall of the rotating rod 27 to store elastic force. A connecting rod three 34 is sleeved on the outside of the spring 33. The outside of the connecting rod three 34 is fixedly connected to the outside of the rotating rod 27. The inner wall of the rotating rod 27 is rotatably connected to the outside of the spring 33.

[0037] Compared with some devices in the prior art, the above content solves the medical errors caused by the shaking of the operator's hand when cutting the knee bone that needs to be replaced while highly concentrated or fatigued.

[0038] Working principle: The operator rotates the fixed shaft two 28. The connecting rod three 34 arranged on the inner wall of the elastic force component can cause the rotating rod 27 to contract or be manually pulled and expanded. After the elastic force component is adjusted to an appropriate angle and clamping size, then the inner wall of the elastic force component is placed outside the patient's leg, and then the fixed shaft two 28 is rotated to fix the elastic force component. Subsequently, the operator will assemble the upper part of the device by rotating the rotating ring 31 outside the rotating bolt 19. The bolt 17 is used to connect the base 15 and the telescopic rod 30. After the telescopic rod 30 is pulled to an appropriate length, rotating the rotating nut 22 connected to the outside of the fixed shaft one 21 can adjust the fitting angle of the upper half of the device. The positioning box 1 is fitted to the patient's knee bone, and the required number of nails are nailed through the positioning holes 2. Starting the transmission component for left and right displacement can quickly move the cutting blade 13 connected to the outside of the transmission component to perform the resection of the knee bone.

[0039] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An adjustable bone flap osteotome, comprising a positioning box (1), characterized in that: The inner wall of the positioning box (1) is provided with a plurality of positioning holes (2). The inner wall of the positioning box (1) is provided with a cutting groove (3). The outside of the positioning box (1) is fixedly connected with a first protective shell (4). The outside of the first protective shell (4) is fixedly connected with a transmission assembly providing driving ability. The inner wall of the first protective shell (4) is provided with a sliding groove (8). The outside of the transmission assembly is fixedly connected with a first connecting rod (12). The inner wall of the first protective shell (4) is rotatably connected with a driven shaft (9). The outside of the driven shaft (9) is fixedly connected with a driven wheel (10). The outside of the positioning box (1) is fixedly connected with a connecting block (14). The outside of the first connecting rod (12) is fixedly connected with a cutting blade (13).

2. The adjustable bone flap osteotome according to claim 1, wherein: The transmission assembly includes a motor (5). The output end of the motor (5) is fixedly connected with a driving shaft (6). The outside of the driving shaft (6) is fixedly connected with a driving wheel (7). A transmission belt (11) is meshed and connected between the outside of the driving wheel (7) and the outside of the driven shaft (9). The outside of the motor (5) is fixedly connected to the outside of the first protective shell (4).

3. The adjustable bone flap osteotome according to claim 1, wherein: The outside of the positioning box (1) is fixedly connected with a connecting block (14). The outside of the connecting block (14) is fixedly connected with a telescopic rod (30). The outside of the telescopic rod (30) is fixedly connected with a base (15).

4. The adjustable bone flap osteotome according to claim 3, characterized in that: Two bolts (17) are threadedly connected to the front side of the outside of the base (15). The outside of the bolt (17) is threadedly connected with a second connecting rod (18). The right side outside of the second connecting rod (18) is threadedly connected with a rotating bolt (19).

5. An adjustable bone flap osteotome according to claim 4, characterized in that: Rotating rings (31) are rotatably connected to both the left and right sides of the outside of the rotating bolt (19). A connecting box (20) is rotatably connected to the outside of the two rotating bolts (19). A placement groove (16) is provided in the inner wall of the connecting box (20).

6. The adjustable bone flap osteotome according to claim 5, characterized in that: A first fixed shaft (21) is rotatably connected to the inner wall of the connecting box (20). A rotating nut (22) is threadedly connected to the outside of the first fixed shaft (21). An extension rod (23) is fixedly connected to the outside of the first fixed shaft (21). A fixed ring (24) is fixedly connected to the outside of the extension rod (23). An adjusting bolt (25) is fixedly connected to the inner wall of the fixed ring (24).

7. The adjustable bone flap osteotome according to claim 6, characterized in that: Connecting boxes (26) are fixedly connected to both the left and right sides of the outside of the adjusting bolt (25). Two fixed bolts (32) are rotatably connected to the outside of the connecting boxes (26). Two elastic force components providing contraction ability are rotatably connected to the outside of the two fixed bolts (32). The outside of the elastic force components is rotatably connected to a second fixed shaft (28). A locking rod (29) is fixedly connected to the outside of the second fixed shaft (28).

8. An adjustable bone flap osteotome according to claim 7, characterized in that: The elastic force components include two rotating rods (27). A spring (33) is slidably connected to the inner wall of the rotating rod (27). A third connecting rod (34) is sleeved on the outside of the spring (33). The outside of the third connecting rod (34) is fixedly connected to the outside of the rotating rod (27). The inner wall of the rotating rod (27) is rotatably connected to the outside of the spring (33).

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