CN219662000U

CN219662000U - Angle-adjustable scraper

Info

Publication number: CN219662000U
Application number: CN202320241048.6U
Authority: CN
Inventors: 赵兴国; 陆成聪; 戴会新; 李菲; 孙云
Original assignee: Hubei Innovation And Transformation Medical Research Institute Co ltd
Current assignee: Hubei Innovation And Transformation Medical Research Institute Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-09-12
Anticipated expiration: 2033-02-13

Abstract

The utility model relates to an angle-adjustable scraper which comprises a scraper, a movable rod, a fixed rod, a handle and an adjusting component, wherein the movable rod and the fixed rod are arranged at the front end of the handle and extend forwards, the movable rod and the fixed rod are parallel to each other, the adjusting component is arranged on the handle, the rear end of the movable rod is connected with the adjusting component, the scraper is arranged at the front ends of the movable rod and the fixed rod, and the adjusting component is used for driving the rod to move forwards or backwards so as to change the included angle between the scraper and the movable rod in a horizontal plane. The utility model can clean and polish the upper and lower end plates, the angle of the scraper can be changed through the adjusting component, the scraper can clean all areas of the upper and lower end plates, and the scraper can be self-adaptively attached to the arc surface of the end plate through the hinged matching of the scraper rest and the scraper, so that the cleaning and polishing efficiency is improved, and the cleaning and polishing are cleaner.

Description

Angle-adjustable scraper

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an angle-adjustable scraper.

Background

At present, in the operation of implanting the intervertebral fusion device of the spine, nucleus pulposus needs to be removed, upper and lower end plates are cleaned, a cavity is manufactured for the implanter, the prior common nucleus pulposus clamp mainly cleans intervertebral disc tissues through grasping, cartilage and nucleus pulposus attached to the end plates are difficult to clean, implantation of the implanter is affected, in addition, as technology development, the intervertebral fusion operation tends to be minimally invasive more and more, the prior common orthopedic instrument cannot polish the upper and lower end plates in a narrow space, and therefore, the intervertebral fusion device implantation operation needs a new instrument to meet the function.

In patent CN201520782031, a rotatable scraper for intervertebral treatment is described, when a knob is screwed, a flexible rod and the scraper are not rotatable relative to a handle, and can be used as a fixed-angle scraper at the moment, when the knob is loosened, the flexible rod and the scraper are rotatable relative to the handle, and a quick interface is arranged at the rear part of a flexible shaft, so that the quick interface can be connected with a quick connection handle or an electric drill, and intervertebral treatment can be quickly performed (the name of each part of structure in the figure refers to patent documents);

in patent CN201910470797, an adjustable device for discectomy of the spinal endoscope is described, in which the working position of the discectomy set is adjusted by rotating the steering ball rotating sleeve through the transmission of the universal joint and the first steering rod while rotating the second steering rod. The annular cutting group can rotate around the steering tube by a certain angle, and the motor is matched to drive the annular cutting group to rotate so as to enable the annular cutting group to be better parallel to the intervertebral space, so that the angle of the end plate is better attached, and the tough nucleus pulposus, the annulus fibrosus and the cartilage attached to the vertebral end plate are efficiently cut off, so that the intervertebral disc cutting efficiency under an endoscope is improved, and the efficient scraping and vertebral plate polishing of the vertebral end plate cartilage under the endoscope are realized. (in the figure, the names of the structures of the parts refer to patent documents);

the problems associated with the above patents are:

in the device described in patent CN201520782031, the scraper head can only rotate around itself axially, and is at a fixed angle relative to the instrument itself, so that it is difficult to cover the whole area of the upper and lower end plates, resulting in incomplete local cleaning;

in the device introduced in patent CN201910470797, the motor is placed under the scraper and directly enters into human body to operate, so that the device is an active instrument with a high risk, and in addition, the device integrates the discectomy instrument, the operation is more complex, and the motor drives the scraper to rotate, so that the polishing degree is difficult to control.

Disclosure of Invention

Aiming at the defects, the utility model provides the angle-adjustable scraper, which can quickly and comprehensively clean and polish the upper and lower end plates.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an angularly adjustable scraper, includes scraper, moves the pole, decides pole, handle and adjusting part, move the pole and decide the pole and all set up in the front end of handle and extend forward, and move the pole and decide the pole and be parallel to each other, adjusting part sets up on the handle, the rear end and the adjusting part of moving the pole are connected, the scraper sets up in the front end of moving the pole and deciding the pole, adjusting part is used for driving the pole and moves forward or backward to change the scraper and move the contained angle of pole in the horizontal plane.

Further, the inside of handle is provided with fixed axle sleeve, the rear end of dead lever sets up in the outside of fixed axle sleeve, the rear end of moving the pole passes fixed axle sleeve and is connected with adjusting part.

Further, the front end of the handle is provided with an outer tube, and the outer tube is coated and arranged on the outer sides of the movable rod and the fixed rod.

Further, the front end of the fixed shaft sleeve is provided with an outer tube, and the outer tube is coated and arranged on the outer sides of the movable rod and the fixed rod.

Further, the front ends of the fixed rod and the movable rod are provided with a scraper rest, the rear end of the fixed rod is hinged with the rear end of the scraper rest, the rear end of the scraper rest is provided with a sliding groove, the front end of the movable rod is provided with a sliding pin matched with the sliding groove, and the sliding pin can move along the sliding groove;

the scraper is arranged at the front end of the scraper frame.

Further, the scraper is hinged to the scraper frame, and the scraper can rotate around the scraper frame in a vertical plane.

Further, the adjusting part comprises an orientation shaft sleeve, a nut and a knob, wherein the orientation shaft sleeve is arranged inside the handle and sleeved on the outer side of the movable rod, the orientation shaft sleeve is used for limiting the rotation of the brake rod around the axis of the brake rod, the rear end of the movable rod penetrates through the rear end of the handle and is provided with threads, the nut is arranged at the rear end of the movable rod and is positioned on the outer side of the handle, and the knob is coated on the outer side of the nut.

Further, the inside rear end of handle is located the outside of moving the pole and has seted up rotatory chamber, the front end of knob be provided with rotatory chamber complex column spinner, rotatory column jacket establish with the outside of moving the pole and be located rotatory intracavity, the column spinner is coaxial with moving the pole.

Further, a plurality of hollow chambers are formed in the handle.

Further, the upper surface and the lower surface of the scraper are arc-shaped surfaces.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

according to the utility model, the upper and lower end plates can be cleaned and polished, the angle of the scraper can be changed through the adjusting component, so that the scraper can clean all areas of the upper and lower end plates, and the scraper can be self-adaptively attached to the cambered surface of the end plate through the hinged fit of the scraper rest and the scraper, so that the cleaning and polishing efficiency is improved, and the cleaning and polishing are cleaner;

the utility model has reasonable structure, simple and practical operation, convenient manual polishing, good hand feeling and convenient doctor feeling whether the final edition is polished cleanly.

The utility model will now be described in detail with reference to the drawings and examples.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the handle of the present utility model;

FIG. 3 is a schematic view of the structure of the doctor blade head of the present utility model;

fig. 4 is a schematic view of another angle of the doctor blade head of the utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a scraper; 2. a movable rod; 21. a sliding pin; 3. a fixed rod; 4. a handle; 41. fixing the shaft sleeve; 42. a rotating chamber; 5. an outer tube; 6. a scraper rack; 61. a sliding groove; 71. a directional sleeve; 72. a nut; 73. a knob; 731. a spin column; 8. an intervertebral cross-section; 9. and (3) end plates.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, an angle-adjustable scraper comprises a scraper 1, a movable rod 2, a fixed rod 3, a handle 4 and an adjusting component, wherein the movable rod 2 and the fixed rod 3 are arranged at the front end of the handle 4 and extend forwards, the movable rod 2 and the fixed rod 3 are parallel to each other, the adjusting component is arranged on the handle 4, the rear end of the movable rod 2 is connected with the adjusting component, the scraper 1 is arranged at the front ends of the movable rod 2 and the fixed rod 3, and the adjusting component is used for driving the rod 2 to move forwards or backwards so as to change the included angle between the scraper 1 and the movable rod 2 in a horizontal plane.

Example 1:

the inside of the handle 4 is provided with a fixed shaft sleeve 41, the rear end of the fixed rod 3 is arranged on the outer side of the fixed shaft sleeve 41, and the rear end of the movable rod 2 passes through the fixed shaft sleeve 41 to be connected with an adjusting component;

the front end of the fixed shaft sleeve 41 is provided with an outer tube 5, the outer tube 5 is coated and arranged on the outer sides of the movable rod 2 and the fixed rod 3 as another implementation mode, the front end of the handle 4 is provided with an outer tube 5, and the outer tube 5 is coated and arranged on the outer sides of the movable rod 2 and the fixed rod 3;

the front ends of the fixed rod 3 and the movable rod 2 are provided with a scraper frame 6, the rear end of the fixed rod 3 is hinged with the rear end of the scraper frame 6, the rear end of the scraper frame 6 is provided with a sliding groove 61, the front end of the movable rod 2 is provided with a sliding pin 21 matched with the sliding groove 61, and the sliding pin 21 can move along the sliding groove 61;

the scraper 1 is arranged at the front end of the scraper rest 6;

the scraper 1 is hinged on a scraper frame 6, and the scraper 1 can rotate around the scraper frame 6 in a vertical plane;

as shown in fig. 2, the adjusting assembly includes an orientation sleeve 71, a nut 72 and a knob 73, the orientation sleeve 71 is disposed inside the handle 4 and sleeved on the outer side of the moving rod 2, the orientation sleeve 71 is used for limiting the moving rod 2 to rotate around its own axis, the rear end of the moving rod 2 penetrates through the rear end of the handle 4 and is provided with threads, the nut 72 is disposed at the rear end of the moving rod 2 and is located on the outer side of the handle 4, and the knob 73 is disposed on the outer side of the nut 72 in a coating manner;

the rear end inside the handle 4 is located the outside of movable rod 2 and has offered rotatory chamber 42, the front end of knob 73 is provided with the column 731 that rotates chamber 42 complex, column 731 cover establish with the outside of movable rod 2 and be located rotatory chamber 42, column 731 is coaxial with movable rod 2.

As an embodiment, the handle 4 is provided with a plurality of hollow chambers inside.

As an embodiment, the upper surface and the lower surface of the scraper 1 are arc-shaped surfaces.

The working principle of the utility model is as follows:

(1) A scraper: the polishing and cleaning device is used for polishing and cleaning the end plate;

(2) Scraping knife rest: the scraper is used for supporting the scraper 1, so that the scraper 1 can rotate adaptively;

(3) An outer tube: a fixed rod 3 and a movable rod 2 for protecting the relative motion;

(4) And (3) fixing a rod: one side of the scraper rest 6 is used for supporting and is hinged with the rear end of the scraper rest 6;

(5) And (3) a movable rod: the rear end of the scraper rest 6 is used for supporting, and is matched with a sliding groove 61 on the scraper rest 6 through a sliding pin 21, so that the scraper rest 6 can move relatively to the fixed rod 3, and the scraper rest 6 can be pushed to rotate when the movable rod 2 moves forwards or backwards relative to the fixed rod 3;

(6) A handle: a grip member;

(7) Fixing shaft sleeve: the fixed rod 3 is connected with the fixed rod 3, so that the fixed rod 3 is relatively fixed with the handle 4;

(8) Directional shaft sleeve: the movable rod is connected with the rear half section of the movable rod 2, and the movable rod is limited from axial rotation;

(9) A knob: for driving the nut 72 in rotation;

(10) And (3) a nut: is connected with the external thread at the rear end of the movable rod 2, and when the knob 73 drives the nut 72 to rotate, the movable rod 2 is pushed to move forwards or backwards through the cooperation between the threads;

as shown in fig. 3 and 4, by turning the knob 73, the driving nut 72 is rotated to push the movable rod 2 to move relative to the fixed rod 3, and when the movable rod 2 moves relative to the fixed rod 3, the sliding pin 21 on the movable rod 2 moves in the sliding groove 61, and pulls the doctor blade holder 6 to rotate around the hinge point on the fixed rod 3 (in this example, the fixed rod 3 is connected with the doctor blade holder 6 through the turning pin), so as to change the angle of the doctor blade 1, and the angle is adjustable in the range of 0-80 °.

The scraper 1 is connected with the scraper frame 6 through a rotating shaft, and when the upper end plate and the lower end plate are cleaned, the scraper 1 can rotate relative to the scraper frame 6 and is attached to the upper end plate and the lower end plate to polish.

The operation method comprises the following steps:

after preparation before operation, the scraper enters between vertebrae at zero degree, the upper and lower end plates are polished, after the end plates are cleaned up, the knob is turned to adjust a certain angle to polish again, and the actions are repeated until the upper and lower end plates are completely cleaned up.

In summary, the above scheme can realize quick and comprehensive cleaning and polishing of the upper and lower end plates, and has the following advantages:

1. the angle adjustable range covers all areas of the upper and lower end plates, the head self-adaptive structure can be attached to the cambered surface of the end plate, and cleaning and polishing are cleaner;

2. the operation is simple and practical, and the doctor can feel whether the endplate is cleaned up or not by manually polishing.

The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.

Claims

1. The utility model provides an angularly adjustable scraper, its characterized in that, including scraper (1), movable rod (2), decide pole (3), handle (4) and adjusting part, movable rod (2) and decide pole (3) all set up in the front end of handle (4) and extend forward, and movable rod (2) and decide pole (3) and be parallel to each other, adjusting part sets up on handle (4), the rear end and the adjusting part of movable rod (2) are connected, scraper (1) set up in the front end of movable rod (2) and deciding pole (3), adjusting part is used for driving pole (2) and moves forward or backward to change scraper (1) and movable rod (2) contained angle in the horizontal plane.

2. The angle-adjustable scraper according to claim 1, wherein a fixed shaft sleeve (41) is arranged in the handle (4), the rear end of the fixed rod (3) is arranged on the outer side of the fixed shaft sleeve (41), and the rear end of the movable rod (2) penetrates through the fixed shaft sleeve (41) to be connected with the adjusting component.

3. The angle-adjustable scraper according to claim 1, wherein the front end of the handle (4) is provided with an outer tube (5), and the outer tube (5) is wrapped and arranged on the outer sides of the movable rod (2) and the fixed rod (3).

4. The angle-adjustable scraper according to claim 2, wherein the front end of the fixed shaft sleeve (41) is provided with an outer tube (5), and the outer tube (5) is coated and arranged on the outer sides of the movable rod (2) and the fixed rod (3).

5. The angle-adjustable scraper according to claim 1, wherein front ends of the fixed rod (3) and the movable rod (2) are provided with a scraper frame (6), a rear end of the fixed rod (3) is hinged with a rear end of the scraper frame (6), a sliding groove (61) is arranged at a rear end of the scraper frame (6), a sliding pin (21) matched with the sliding groove (61) is arranged at a front end of the movable rod (2), and the sliding pin (21) can move along the sliding groove (61);

the scraper (1) is arranged at the front end of the scraper rest (6).

6. The angularly adjustable doctor according to claim 5, characterized in that the doctor (1) is hinged to a doctor frame (6), the doctor (1) being rotatable in a vertical plane around the doctor frame (6).

7. The angle adjustable scraper of claim 1, wherein the adjusting assembly comprises an orientation shaft sleeve (71), a nut (72) and a knob (73), the orientation shaft sleeve (71) is arranged inside the handle (4) and sleeved on the outer side of the movable rod (2), the orientation shaft sleeve (71) is used for limiting the rotation of the movable rod (2) around the axis of the movable rod, the rear end of the movable rod (2) penetrates through the rear end of the handle (4) and is provided with threads, the nut (72) is arranged at the rear end of the movable rod (2) and is positioned on the outer side of the handle (4), and the knob (73) is coated on the outer side of the nut (72).

8. The angle-adjustable scraper according to claim 7, wherein the rear end of the handle (4) is located at the outer side of the movable rod (2) and provided with a rotating cavity (42), the front end of the knob (73) is provided with a rotating column (731) matched with the rotating cavity (42), the rotating column (731) is sleeved at the outer side of the movable rod (2) and located in the rotating cavity (42), and the rotating column (731) is coaxial with the movable rod (2).

9. The angularly adjustable spatula according to claim 1, characterized in that the handle (4) is internally provided with a plurality of hollow cavities.

10. The angularly adjustable doctor blade according to claim 1, characterized in that the upper and lower surfaces of the doctor blade (1) are both curved surfaces.