CN215839353U - A variable osteotome for excising centrum articular process - Google Patents
A variable osteotome for excising centrum articular process Download PDFInfo
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- CN215839353U CN215839353U CN202121883032.2U CN202121883032U CN215839353U CN 215839353 U CN215839353 U CN 215839353U CN 202121883032 U CN202121883032 U CN 202121883032U CN 215839353 U CN215839353 U CN 215839353U
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Abstract
The utility model provides a variable osteotome for resecting a vertebral body articular process, comprising a handle; the handle is of a rectangular block structure, and anti-slip groove structures are arranged on the outer side of the handle at equal intervals; a fixed cutter head is arranged on the right side of the bottom of the handle; a fixed rod is arranged on the left side of the bottom of the handle; the utility model discloses a through being provided with fixed tool bit, dead lever, slide bar and installation piece. According to the utility model, the position of the variable cutter point is adjusted, so that the cutter point and the variable cutter point are respectively clamped with the vertebral plate and the articular process of a patient, and the position of the variable cutter point is fixed through the fixing screw rod, so that the variable cutter point is clamped with the vertebral plate when the articular process is cut off through the cutter point, the injury to the vertebral plate of the patient is reduced, the variable cutter point is convenient for medical staff to use, and the treatment effect is further improved.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a variable osteotome for cutting a vertebral body articular process.
Background
Orthopedics is one of the most common departments of various hospitals, mainly studies the anatomy, physiology and pathology of the skeletal muscle system, maintains and develops the normal form and function of the system by using medicines, operations and physical methods, and usually needs special osteotome instruments when treating patients with articular process.
However, the lengths of the tips of the existing osteotomes are consistent, and in the process of cutting off the articular processes of the vertebral bodies of patients, the distances between the vertebral plates and the articular processes of different patients are different, so that the existing osteotomes can cause great damage to the vertebral bodies of the patients, are inconvenient for medical staff to use, and affect the treatment effect.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the present invention provides a changeable osteotome for resecting a vertebral body articular process, so as to solve the problems that the length of the knife tip of the existing osteotome proposed in the background art is consistent, and in the process of resecting the vertebral body articular process of a patient, the existing osteotome may cause great damage to the vertebral body of the patient due to different distances between vertebral plates and articular processes of different patients, and is inconvenient for medical care personnel to use, thereby affecting the treatment effect.
The utility model relates to a changeable osteotome for cutting a vertebral body articular process, which is achieved by the following specific technical means: a variable osteotome for resecting a vertebral body articular process includes a handle; the handle is of a rectangular block structure, and anti-slip groove structures are arranged on the outer side of the handle at equal intervals; a fixed cutter head is arranged on the right side of the bottom of the handle; the left side of the bottom of the handle is provided with a fixed rod.
Furthermore, the fixed cutter head is of a rectangular block structure and is fixedly arranged on the right side of the bottom of the handle through a bolt; the fixed cutter head also comprises a cutter tip and a sliding block, and the cutter tip is integrally arranged at the bottom of the fixed cutter head; the guide rail is fixedly arranged on the left side of the fixed cutter head through a bolt; the sliding block is arranged on the left side of the guide rail in a sliding manner; the left side of sliding block is provided with the installation piece.
Further, the fixing rod is of a cylindrical structure, is fixedly arranged on the left side of the bottom of the handle through a bolt, and is sleeved with a spring; the bottom of the fixed rod is provided with a slide rod.
Furthermore, the slide bar is of a cylindrical structure, is arranged at the bottom of the fixed rod in a sliding manner, is provided with a cylindrical slotted hole at the top, and is provided with a through screw hole at one side of the top; the slide bar still includes: the fixing screw rod is rotatably arranged in the screw hole on one side of the sliding rod, the inner side of the fixing screw rod is attached to the outer wall of the fixing rod, and the inner side of the fixing screw rod is provided with a layer of anti-slip rubber through adhesion.
Furthermore, the mounting block is of a rectangular block structure, the mounting block is fixedly mounted on the left side of the sliding block through a bolt, and the top of the mounting block is fixedly connected with the bottom of the sliding rod; the mounting block also comprises a variable cutter point which is integrally arranged at the bottom of the mounting block.
Furthermore, when the sliding rod slides to the bottom of the fixing rod, the sliding block slides to the bottom of the guide rail, and the height of the bottom of the variable cutter point is the same as that of the bottom of the cutter point.
Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with the fixed cutter head, the fixed rod, the sliding rod and the mounting block, the position of the variable cutter point is adjusted to ensure that the cutter point and the variable cutter point are respectively clamped with the vertebral plate and the articular process of a patient, and the position of the variable cutter point is fixed through the fixed screw rod, so that the variable cutter point is clamped with the vertebral plate when the articular process is cut through the cutter point, the damage to the vertebral plate of the patient is reduced, the medical staff can use the device conveniently, and the treatment effect is further improved.
Drawings
Fig. 1 is a schematic overall axial perspective structure of the present invention.
Fig. 2 is a side view perspective view of the present invention.
Fig. 3 is a schematic perspective view of the slide bar of the present invention in a disassembled state.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-a handle; 2-fixing the cutter head; 201-a knife tip; 202-a guide rail; 203-a slider; 3-fixing the rod; 4-a slide bar; 401-a fixed screw; 5, mounting a block; 501-variable knife tip.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in figures 1 to 3: the utility model provides a variable osteotome for resecting a vertebral body articular process, comprising a handle 1; the handle 1 is of a rectangular block structure, and anti-slip groove structures are arranged on the outer side of the handle 1 at equal intervals; the right side of the bottom of the handle 1 is provided with a fixed cutter head 2; the left side of the bottom of the handle 1 is provided with a fixed rod 3.
Through adopting above-mentioned technical scheme, through having seted up anti-skidding groove structure in the outside of handle 1, can increase the stability that medical personnel held the sword.
The fixed cutter head 2 is of a rectangular block structure, and the fixed cutter head 2 is fixedly arranged on the right side of the bottom of the handle 1 through a bolt; the fixed cutter head 2 also comprises a cutter point 201, a guide rail 202 and a sliding block 203, wherein the cutter point 201 is integrally arranged at the bottom of the fixed cutter head 2; the guide rail 202 is fixedly arranged on the left side of the fixed cutter head 2 through a bolt; the sliding block 203 is arranged on the left side of the guide rail 202 in a sliding manner; the left side of the sliding block 203 is provided with a mounting block 5.
The fixing rod 3 is of a cylindrical structure, the fixing rod 3 is fixedly arranged on the left side of the bottom of the handle 1 through a bolt, and a spring is sleeved on the outer side of the fixing rod 3; the bottom of the fixed rod 3 is provided with a slide bar 4; the sliding rod 4 is of a cylindrical structure, the sliding rod 4 is slidably arranged at the bottom of the fixing rod 3, a cylindrical slotted hole is formed in the top of the sliding rod 4, and a penetrating screw hole is formed in one side of the top of the sliding rod 4; the slide bar 4 further comprises a fixing screw rod 401, the fixing screw rod 401 is rotatably arranged in a screw hole on one side of the slide bar 4, the inner side of the fixing screw rod 401 is attached to the outer wall of the fixing rod 3, and a layer of anti-skid rubber is arranged on the inner side of the fixing screw rod 401 through adhesion.
Through adopting above-mentioned technical scheme, the installation piece 5 is moved in the spring top through the dead lever 3 outside and sliding block 203 slides down along guide rail 202, thereby make the top block of variable knife tip 501 and vertebral plate, then twist in fixing screw 401 from the screw of slide bar 4 one side, make fixing screw 401's inboard meet with the outside of dead lever 3, thereby can make the position of slide bar 4 fix, make the rigidity of variable knife tip 501's position simultaneously, make the distance between variable knife tip 501 and the knife tip 201 fixed, the distance between variable knife tip 501 and the knife tip 201 is the difference in height between vertebral plate and the articular process at this moment, in the in-process of excising the articular process, can significantly reduce the damage to the vertebral plate, be convenient for medical personnel to use, improve treatment.
The mounting block 5 is of a rectangular block structure, the mounting block 5 is fixedly mounted on the left side of the sliding block 203 through a bolt, and the top of the mounting block 5 is fixedly connected with the bottom of the sliding rod 4; the mounting block 5 further comprises a variable knife edge 501, and the variable knife edge 501 is integrally arranged at the bottom of the mounting block 5.
When the sliding rod 4 slides to the bottom of the fixing rod 3, the sliding block 203 slides to the bottom of the guide rail 202, and the bottom of the variable knife edge 501 and the bottom of the knife edge 201 are the same in height.
The specific use mode and function of the embodiment are as follows:
in the utility model, firstly, the fixing screw 401 is screwed out from one side of the sliding rod 4, then the knife point 201 is placed at the position of the articular process, the bottom of the variable knife point 501 is placed at the top of the vertebral plate, then after the proper working state is adjusted, the mounting block 5 and the sliding block 203 are pushed by the spring outside the fixing rod 3 to slide downwards along the guide rail 202, so that the variable knife point 501 is clamped with the top of the vertebral plate, then the fixing screw 401 is screwed in from the screw hole at one side of the sliding rod 4, so that the inner side of the fixing screw 401 is connected with the outer side of the fixing rod 3, the position of the sliding rod 4 can be fixed, meanwhile, the position of the variable knife point 501 is fixed, the distance between the variable knife point 501 and the knife point 201 is fixed, at the moment, the distance between the variable knife point 501 and the knife point 201 is the height difference between the vertebral plate and the articular process of cutting off the articular process, the damage to the vertebral plate can be greatly reduced, is convenient for medical personnel to use and improves the treatment effect.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. A variable osteotome for resecting a vertebral body articular process comprising a handle, characterized in that: the handle is of a rectangular block structure, and anti-slip groove structures are arranged on the outer side of the handle at equal intervals; a fixed cutter head is arranged on the right side of the bottom of the handle; the left side of the bottom of the handle is provided with a fixed rod.
2. The variable osteotome defined in claim 1, wherein: the fixed cutter head is of a rectangular block structure and is fixedly arranged on the right side of the bottom of the handle through a bolt; the fixed tool bit also comprises a tool bit which is integrally arranged at the bottom of the fixed tool bit.
3. The variable osteotome defined in claim 2, wherein: the fixed cutter head also comprises a guide rail and a sliding block, and the guide rail is fixedly arranged on the left side of the fixed cutter head through a bolt; the sliding block slides and sets up in the left side of guide rail, and the left side of sliding block is provided with the installation piece.
4. The variable osteotome defined in claim 1, wherein: the fixed rod is of a cylindrical structure, is fixedly arranged on the left side of the bottom of the handle through a bolt, and is sleeved with a spring; the bottom of the fixed rod is provided with a slide rod.
5. The variable osteotome defined in claim 4, wherein: the sliding rod is of a cylindrical structure and is arranged at the bottom of the fixing rod in a sliding mode, a cylindrical slotted hole is formed in the top of the sliding rod, and a penetrating screw hole is formed in one side of the top of the sliding rod; the slide bar is characterized by further comprising a fixing screw rod, the fixing screw rod is rotatably arranged in a screw hole in one side of the slide bar, the inner side of the fixing screw rod is attached to the outer wall of the fixing rod, and a layer of anti-slip rubber is arranged on the inner side of the fixing screw rod through adhesion.
6. The variable osteotome defined in claim 3, wherein: the mounting block is of a rectangular block structure, is fixedly mounted on the left side of the sliding block through a bolt, and the top of the mounting block is fixedly connected with the bottom of the sliding rod; the mounting block also comprises a variable cutter point which is integrally arranged at the bottom of the mounting block.
7. The variable osteotome defined in claim 4, wherein: when the sliding rod slides to the bottom of the fixing rod, the sliding block slides to the bottom of the guide rail, and the height of the bottom of the variable cutter point is the same as that of the bottom of the cutter point.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121883032.2U CN215839353U (en) | 2021-08-12 | 2021-08-12 | A variable osteotome for excising centrum articular process |
Applications Claiming Priority (1)
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CN202121883032.2U CN215839353U (en) | 2021-08-12 | 2021-08-12 | A variable osteotome for excising centrum articular process |
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CN215839353U true CN215839353U (en) | 2022-02-18 |
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CN202121883032.2U Active CN215839353U (en) | 2021-08-12 | 2021-08-12 | A variable osteotome for excising centrum articular process |
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2021
- 2021-08-12 CN CN202121883032.2U patent/CN215839353U/en active Active
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