Direction-adjustable bone grafting set

Abstract

The invention relates to the technical field of medical treatment. The direction-adjustable bone grafting set comprises a bone grafting sleeve, the front end of the bone grafting sleeve is in flexible connection with a needle cylinder through a shaping connector, and the upper portion of the middle section of the bone grafting sleeve is provided with a feeding hopper used for implanting an implant material; a bone grafting channel is formed between the feeding hopper and the needle cylinder; the bone grafting rod is arranged at the rear end of the bone grafting sleeve and is used for pushing an implant material to move in the bone grafting channel. According to the bone grafting device, the bone grafting direction and the bone grafting depth can be conveniently and flexibly adjusted, the bone grafting accuracy can be improved, it is ensured that an implanted material is perfectly matched with a defect area, and the bone function is better recovered.

Description

Technical Field

[0001] The present invention relates to the field of medical technology, and in particular to a direction-adjustable bone grafting kit. Background Art

[0002] Bone grafting is a common orthopedic treatment method. It involves surgically transplanting bone tissue to areas of the patient's bone that are defective or require reinforcement in order to repair bone structure, promote healing, or provide support. Existing bone grafting procedures are not only time-consuming and traumatic, but also difficult to fine-tune the direction or depth of the implanted material after implantation, which may affect the effectiveness of the bone graft. Although some instruments for assisting bone grafting have appeared in the prior art, their adjustable angles are limited, and their costs are relatively high, making them difficult to truly popularize in clinical practice. Summary of the Invention

[0003] The object of the present invention is to provide an adjustable direction bone grafting kit with flexible adjustment of bone grafting angle and depth.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical solution: an adjustable direction bone grafting kit, comprising a bone grafting sleeve, the front end of which is softly connected to a syringe via a shaped joint, a feed hopper for inserting implant material is provided at the upper middle portion of the bone grafting sleeve; a bone grafting channel is formed between the feed hopper and the syringe;

[0005] It also includes a bone grafting rod which is arranged at the rear end of the bone grafting sleeve and is used to push the implanted material to move in the bone grafting channel.

[0006] Preferably, the shaping joint is a metal bellows that gradually tapers from an end close to the bone grafting sleeve toward an end close to the syringe.

[0007] Preferably, the shaping connector is a plastic bellows that tapers gradually from an end close to the bone graft sleeve toward an end close to the syringe.

[0008] Preferably, the shaping joint is an elastic rubber tube, and a number of pull wires are evenly distributed in a ring shape around the circumference of the elastic rubber tube. A hanging plate is provided on the circumference of the front end of the bone grafting sleeve. One end of the pull wire is fixedly connected to the outer wall of the elastic rubber tube, and the other end is hung in the hanging opening of the hanging plate. The angle of the elastic rubber tube is adjusted by changing the hook length of the other end of the pull wire.

[0009] Preferably, a handle for an operator to hold is provided at the lower portion of the middle section of the bone grafting sleeve.

[0010] Preferably, the handle is a bent handle.

[0011] Preferably, an end cover is provided at the rear end of the bone grafting sleeve, and the bone grafting rod passes through the end cover and out of the bone grafting sleeve.

[0012] Preferably, the bone grafting rod includes a rubber push block, and a sliding block capable of moving along the length direction of the bone grafting sleeve is provided in the bone grafting sleeve behind the rubber push block;

[0013] The rear end surface of the rubber push block is provided with a plurality of adjusting screws, one end of the adjusting screw is in rotational engagement with the rubber push block, and the other end passes through the sliding block and the end cover and extends to the outside of the bone grafting sleeve; the adjusting screw is in threaded engagement with the sliding block;

[0014] The utility model also comprises a central push rod, which is fixed at the center of the rear end surface of the sliding block and extends to the outside of the bone grafting sleeve through the end cover.

[0015] Preferably, the rubber push block is provided with four adjusting screws, and the adjusting screws are distributed in a matrix.

[0016] The beneficial effects of the present invention are concentrated in: being able to conveniently and flexibly adjust the direction and depth of bone grafting, being able to increase the accuracy of bone grafting, ensuring that the implant material perfectly matches the defect area, and better restoring bone function. Specifically, during use of the present invention, the syringe is used to match the patient's bone grafting site and align the bone grafting site. The implant material is placed into the bone grafting sleeve from the feed hopper, and then the bone grafting rod is used to push the implant material forward in the bone grafting sleeve, and after passing through the shaping joint and the syringe, it accurately enters the bone grafting site, and the bone grafting depth can be effectively controlled by controlling the bone grafting rod. In the present invention, since the syringe and the bone grafting sleeve are connected by a shaping joint, the angle between the syringe and the bone grafting sleeve can be changed by the shaping joint, thereby achieving the purpose of controlling the bone grafting angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 This is a schematic structural diagram of a preferred embodiment of the present invention;

[0019] Figure 3 Schematic diagram of the structure of the hanging plate;

[0020] Figure 4 for Figure 2 Enlarged view of part A in the middle;

[0021] Figure 5 Schematic diagram of the structure of the sliding block. DETAILED DESCRIPTION

[0022] The present invention is a bone grafting kit with adjustable direction, which is used to assist in the implantation of implant materials during bone grafting surgery. Figure 1 As shown in FIG, it includes a bone graft sleeve 1, the front end of the bone graft sleeve 1 (ie Figure 1The left end of the middle part) forms a soft connection with the syringe 3 through the shaping joint 2. The shaping joint 2 is a tubular joint that can be shaped and is used to connect the bone grafting sleeve 1 and the syringe 3. Since it can be shaped, the angle between the bone grafting sleeve 1 and the syringe 3 can be adjusted, so it is defined as a soft connection, which is quite different from the traditional rigid connection with non-adjustable angle.

[0023] In order to facilitate the placement of materials into the bone grafting sleeve 1, a feed hopper 4 for placing implant materials is provided at the upper middle portion of the bone grafting sleeve 1, and a bone grafting channel is formed between the feed hopper 4 and the syringe 3. Figure 1 The bone grafting rod 5 is generally a rod body inserted into the rear end of the bone grafting sleeve 1, and its front end is used to contact with the implant material and push the implant material.

[0024] During use of the present invention, the syringe 3 is used to match the bone grafting site of the patient and align the bone grafting site. The syringe 3 can be installed at the end of the shaping joint 2 in a detachable manner, so as to facilitate replacement. The implant material is placed into the bone grafting sleeve 1 from the feed hopper 4, and then the bone grafting rod 5 is used to push the implant material forward in the bone grafting sleeve 1, and after passing through the shaping joint 2 and the syringe 3, it accurately enters the bone grafting site. By controlling the bone grafting rod 5, the bone grafting depth can be effectively controlled. In the present invention, since the syringe 3 and the bone grafting sleeve 1 are connected by the shaping joint 2, the angle between the syringe 3 and the bone grafting sleeve 1 can be changed by the shaping joint 2, thereby achieving the purpose of controlling the bone grafting angle.

[0025] In order to adapt to the diameter change of the syringe 3 and the bone grafting sleeve 1, the shaping joint 2 usually tapers from the end close to the bone grafting sleeve 1 to the end close to the syringe 3. The commonly used shaping joint 2 can be a metal bellows, a plastic bellows, etc. Figure 2 and 3 As shown in the figure, the shaping joint 2 is an elastic rubber tube, and a plurality of pull wires 6 are evenly distributed in a ring shape around the circumference of the elastic rubber tube. A hanging plate 7 is provided on the front circumference of the bone grafting sleeve 1. One end of the pull wire 6 is fixedly connected to the outer wall of the elastic rubber tube, and the other end is hung in the hanging opening 8 of the hanging plate 7. The angle of the elastic rubber tube is adjusted by changing the hook length of the other end of the pull wire 6. The angle of the elastic rubber tube can be accurately positioned by multiple pull wires 6 working together. In addition, it is also feasible to use other similar means to achieve a soft connection of the shaping joint 2.

[0026] In order to facilitate the operator's hand-held operation, a handle 9 is provided at the lower middle portion of the bone grafting sleeve 1. The handle 9 is preferably a bent handle so that the grip angle is more variable and can adapt to different usage requirements. The rear end of the bone grafting sleeve 1 of the present invention can be open or Figure 1 and 2 As shown in FIG, an end cover 10 is provided, and the bone grafting rod 5 passes through the end cover 10 and out of the bone grafting sleeve 1.

[0027] In order to further optimize the use effect and flexibility of the present invention and adapt to different types of implant materials, the bone grafting rod 5 of the present invention can adopt the following structure: Figure 4 and 5 As shown in FIG, the bone graft rod 5 includes a rubber push block 11. A sliding block 12 is disposed within the bone graft sleeve 1 behind the rubber push block 11 and is movable along the length of the bone graft sleeve 1. A plurality of adjustment screws 13 are disposed on the rear end face of the rubber push block 11. Typically, four adjustment screws 13 are disposed on the rubber push block 11, and the adjustment screws 13 are arranged in a matrix.

[0028] One end of the adjusting screw 13 is rotationally engaged with the rubber push block 11, and the other end extends through the sliding block 12 and the end cap 10 to the exterior of the bone graft sleeve 1. The adjusting screw 13 is threadably engaged with the sliding block 12. A central push rod 14 is also included, which is fixed to the center of the rear end face of the sliding block 12 and extends through the end cap 10 to the exterior of the bone graft sleeve 1.

[0029] In this way, by adjusting the screws 13, the present invention can change the shape of the rubber push block 11 to a certain extent, so that the contact surface (ie Figure 4 The left side in the figure) presents special shapes such as inclined surfaces and concave surfaces at different angles. The operator can flexibly adjust the state of the contact surface of the rubber push block 11 according to the specific shape of the implant material, so as to better push the implant material, especially when pushing it into the affected area (implantation hole) at a specific angle to obtain a more matched force transmission effect.

Claims

1. An adjustable direction bone grafting kit, characterized by: The invention comprises a bone grafting sleeve (1), the front end of which is softly connected to a syringe (3) via a shaping joint (2), and a feed hopper (4) for inserting implant material is provided at the upper middle portion of the bone grafting sleeve (1); a bone grafting channel is formed between the feed hopper (4) and the syringe (3); It also includes a bone grafting rod (5) arranged at the rear end of the bone grafting sleeve (1) and used to push the implanted material to move in the bone grafting channel.

2. The adjustable direction bone grafting kit according to claim 1, characterized in that: The shaping joint (2) is a metal bellows that gradually tapers from an end close to the bone grafting sleeve (1) toward an end close to the syringe (3).

3. The adjustable direction bone grafting kit according to claim 1, characterized in that: The shaping joint (2) is a plastic corrugated tube that gradually tapers from an end close to the bone grafting sleeve (1) toward an end close to the syringe (3).

4. The adjustable direction bone grafting kit according to claim 1, characterized in that: The shaping joint (2) is an elastic rubber tube, and a plurality of pull wires (6) are evenly distributed in a ring shape around the circumference of the elastic rubber tube. A hanging plate (7) is provided on the front circumference of the bone grafting sleeve (1). One end of the pull wire (6) is fixedly connected to the outer wall of the elastic rubber tube, and the other end is hung in the hanging opening (8) of the hanging plate (7). The angle of the elastic rubber tube is adjusted by changing the hook length of the other end of the pull wire (6).

5. The adjustable direction bone grafting kit according to claim 1, characterized in that: A handle (9) for an operator to hold is provided at the lower middle portion of the bone grafting sleeve (1).

6. The adjustable direction bone grafting kit according to claim 5, characterized in that: The handle (9) is a bent handle.

7. The adjustable direction bone grafting kit according to claim 1, characterized in that: An end cover (10) is provided at the rear end of the bone grafting sleeve (1), and the bone grafting rod (5) passes through the end cover (10) and out of the bone grafting sleeve (1).

8. The adjustable direction bone grafting kit according to claim 1, characterized in that: The bone grafting rod (5) includes a rubber push block (11), and a sliding block (12) capable of moving along the length direction of the bone grafting sleeve (1) is provided in the bone grafting sleeve (1) behind the rubber push block (11); The rear end surface of the rubber push block (11) is provided with a plurality of adjusting screws (13), one end of the adjusting screw (13) is in rotational engagement with the rubber push block (11), and the other end thereof passes through the sliding block (12) and the end cover (10) and extends to the outside of the bone grafting sleeve (1); the adjusting screw (13) is in threaded engagement with the sliding block (12); It also includes a central push rod (14), which is fixed at the center of the rear end surface of the sliding block (12). The central push rod (14) passes through the end cover (10) and extends to the outside of the bone grafting sleeve (1).

9. The adjustable direction bone grafting kit according to claim 8, characterized in that: Four adjusting screws (13) are provided on the rubber push block (11), and the adjusting screws (13) are distributed in a matrix.

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