Inserter for bone fixation

Abstract

The utility model discloses an inserter for bone fixation, which comprises an insertion depth control component, a moving component, an adjusting and limiting component and an inserter body, the adjusting and limiting component is arranged at the bottom of the insertion depth control component, and the moving component is arranged on the surface of the adjusting and limiting component. The inserter body is arranged on the front face of the insertion depth control assembly, the insertion depth control assembly comprises a first fixing rod, a first motor, a first threaded rod, a first sliding groove and a sliding block, and the moving assembly comprises a positioning fixing base, an air cylinder and a positioning block. The inserter for fixing the bone has the advantages of being accurate in insertion and good in fixing effect, and solves the problems that in the prior art, an inserter is generally directly inserted into the bone through a doctor, although the doctor controls the depth of the inserter according to years of experience, the depth of the inserter cannot be accurately controlled, and the insertion efficiency is poor. And the insertion precision is influenced by the shaking of the legs of the patient.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to an inserter for bone fixation. BACKGROUND

[0002] Medical instrument refers to the instrument, equipment, appliance, in-vitro diagnostic reagent and calibrators, materials and other similar or related articles for human body directly or indirectly, its utility is mainly obtained through physical mode, is not obtained through pharmacology, immunology or metabolic mode, or although these modes participate, but only plays an auxiliary role, the purpose is the diagnosis, prevention, monitoring, treatment or mitigation of disease;The diagnosis, monitoring, treatment, mitigation or function compensation of injury;The inspection, replacement, regulation or support of physiological structure or physiological process;Life support or maintenance;Pregnancy control;Through the sample from human body inspection, provide information for medical or diagnostic purposes.

[0003] During orthopedic surgery, some fixed lines need to be inserted by an inserter, and the inserter of the prior art is generally inserted directly into the inside of the bone by the doctor, although the doctor controls the depth by years of experience, but cannot accurately control the depth, and the patient's leg will also shake to affect the insertion accuracy, therefore, an inserter for bone fixation is needed to overcome the above defects. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of inserters for bone fixation, with the advantages of accurate insertion and good fixing effect, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: an inserter for bone fixation, including insertion depth control assembly, moving assembly, adjusting limiting assembly and inserter body, the adjusting limiting assembly is arranged at the bottom of insertion depth control assembly, the moving assembly is arranged on the surface of adjusting limiting assembly, the inserter body is arranged at the front of insertion depth control assembly, the insertion depth control assembly includes first fixed rod, first motor, first threaded rod, first sliding slot and sliding block, the moving assembly includes positioning fixed base, air cylinder and positioning block, the adjusting limiting assembly includes positioning seat, positioning fixed top seat, spring, positioning rod, positioning slot, screw groove, second threaded rod, rotating disc, pressure control sensor, second sliding slot and sliding rod.

[0006] Further, the first motor is fixedly installed at the top of the first fixed rod, the first sliding slot is opened at the front of the first fixed rod, and the sliding block slides in the first sliding slot.

[0007] Further, the back of the inserter body is fixedly connected with the front of the sliding block, the first threaded rod is screwed in the sliding block, and the output shaft of the first motor is fixedly connected with the top of the first threaded rod.

[0008] Further, the positioning blocks are fixedly installed on the two sides of the first fixing rod, the air cylinder is fixedly installed on the bottom of the positioning blocks, and the positioning fixed base is fixedly installed on the bottom of the air cylinder.

[0009] Further, the positioning seat is fixedly installed on the bottom of the first fixing rod, the springs are fixedly installed on the two sides of the bottom of the positioning seat, and the positioning fixed top base is fixedly installed on the bottom of the springs.

[0010] Further, the positioning grooves are formed in the two sides of the inside of the positioning seat, the positioning rods are arranged in the inner cavities of the positioning grooves, and the second sliding grooves are formed in the inside of the positioning rods.

[0011] Further, the sliding rods slide in the second sliding grooves, the two sides of the sliding rods are fixedly connected with the inner cavities of the positioning grooves, and the bottom of the positioning rods is fixedly connected with the top of the positioning fixed top base.

[0012] Further, the threaded grooves are formed in the center of the bottom of the positioning seat, the second threaded rods are screwed in the threaded grooves, the rotating disc is fixedly installed on the bottom of the second threaded rods, and the pressure control sensor is fixedly installed on the bottom of the rotating disc.

[0013] In conclusion, due to the adoption of the above-mentioned technology, the beneficial effects of the present application are as follows:

[0014] The utility model discloses a set up the position of the insertion depth control subassembly to the patient's bone and be fixed through the setting movement subassembly, be adjusted to the force of clamping through the setting adjustment limiting component, when using, the positioning fixed base is moved to the specified position, then opens the cylinder, and the positioning fixed base is moved upward through the cylinder drive, and the leg or arm of patient is moved upward through the positioning fixed base drive, and under the action of volume, make the positioning fixed top seat drive spring, positioning rod move upward, and contact with pressure control sensor, when reaching certain pressure, the cylinder stops working, at this moment, need opening first motor, and the first screw rod is rotated through the first motor drive, and make the insertion depth control subassembly insert the inside of the bone of the specified position under the action of sliding block, when adjusting the interval of clamping, turn to the turntable, and make the pressure control sensor move downward through the turntable drive second screw rod, thereby adjusting the interval of clamping, through the adjustment of interval, can be fixed to fat and thin people, has the advantages such as accurate insertion and good fixed effect, solve the insertion of prior art's insertion depth control subassembly and generally through the doctor directly inserts the inside of the bone, although the doctor controls its depth according to years of experience, but cannot accurate control its depth, and the leg of patient also can have the problem of shaking and affecting insertion accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic drawing of the utility model;

[0016] Figure 2 It is the structure schematic drawing of the utility model movement subassembly;

[0017] Figure 3 It is the structure schematic drawing of the utility model adjustment limiting component;

[0018] Figure 4 It is the structure schematic drawing of the utility model pressure control sensor;

[0019] Figure 5 It is the structure schematic drawing of the utility model positioning rod.

[0020] In the drawing: 1, insertion depth control component;11, first fixed rod;12, first motor;13, first screw rod;14, first sliding slot;15, sliding block;2, movement subassembly;21, positioning fixed base;22, cylinder;23, positioning block;3, adjustment limiting component;31, positioning seat;32, positioning fixed top seat;33, spring;34, positioning rod;35, positioning slot;36, screw groove;37, second screw rod;38, turntable;39, pressure control sensor;391, second sliding slot;392, sliding rod;4, insertion depth control component. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] The present application provides a kind of insert for bone fixation as Figures 1-5 As shown in a kind of insert for bone fixation, including insertion depth control assembly 1, moving assembly 2, adjusting limiting assembly 3 and insert body 4, adjusting limiting assembly 3 is arranged at the bottom of insertion depth control assembly 1, moving assembly 2 is arranged on the surface of adjusting limiting assembly 3, insert body 4 is arranged on the front of insertion depth control assembly 1, insertion depth control assembly 1 includes first fixed rod 11, first motor 12, first threaded rod 13, first sliding groove 14 and sliding block 15, moving assembly 2 includes positioning fixed base 21, air cylinder 22 and positioning block 23, adjusting limiting assembly 3 includes positioning seat 31, positioning fixed top seat 32, spring 33, positioning rod 34, positioning groove 35, threaded groove 36, second threaded rod 37, turntable 38, pressure control sensor 39, second sliding groove 391 and sliding rod 392;

[0023] More specifically, by setting adjusting limiting assembly 3, the force of clamping is adjusted and controlled, when using, positioning fixed base 21 is moved to the specified position, then air cylinder 22 is opened, positioning fixed base 21 is driven upward by air cylinder 22, the leg or arm of the patient is driven upward by positioning fixed base 21, positioning fixed top seat 32 drives spring 33 and positioning rod 34 to move upward under the action of volume and contact pressure control sensor 39, when reaching a certain pressure, air cylinder 22 stops working, first motor 12 needs to be opened at this time, first threaded rod 13 is driven to rotate by first motor 12, and insert body 4 is inserted into the specified position inside the bone under the action of sliding block 15, when the clamping distance is adjusted, turntable 38 is turned, second threaded rod 37 is driven to move downward by turntable 38, so that the clamping distance is adjusted, by the adjustment of the distance, it can be fixed for fat and thin people, has the advantages of accurate insertion and good fixing effect.

[0024] In some embodiments of the application, the first motor 12 is fixedly installed on the top of the first fixed rod 11, the first sliding groove 14 is formed on the front of the first fixed rod 11, and the sliding block 15 is slidably arranged in the first sliding groove 14. More specifically, the first sliding groove 14 is arranged to limit the sliding block 15, so as to prevent the sliding block 15 from shaking during movement.

[0025] In some embodiments of the application, the back of the inserter body 4 is fixedly connected with the front of the sliding block 15, the first threaded rod 13 is threadedly rotated in the sliding block 15, and the output shaft of the first motor 12 penetrates into the inner cavity of the first sliding groove 14 and is fixedly connected with the top of the first threaded rod 13. More specifically, the sliding block 15 is arranged to limit the inserter body 4, so as to prevent the inserter body 4 from shaking during movement, and the first motor 12 is arranged to drive the first threaded rod 13, thereby indirectly adjusting the position of the sliding block 15.

[0026] In some embodiments of the application, the positioning blocks 23 are fixedly installed on both sides of the first fixed rod 11, the air cylinder 22 is fixedly installed on the bottom of the positioning block 23, and the positioning fixed base 21 is fixedly installed on the bottom of the air cylinder 22. More specifically, the positioning block 23 is arranged to fix the air cylinder 22, and the air cylinder 22 is arranged to move the position of the positioning fixed base 21.

[0027] In some embodiments of the application, the positioning seat 31 is fixedly installed on the bottom of the first fixed rod 11, the springs 33 are fixedly installed on both sides of the bottom of the positioning seat 31, and the positioning fixed top base 32 is fixedly installed on the bottom of the spring 33. More specifically, the spring 33 is arranged to reset the positioning fixed top base 32.

[0028] In some embodiments of the application, the positioning grooves 35 are formed on both sides of the inside of the positioning seat 31, the positioning rods 34 are arranged in the inner cavities of the positioning grooves 35, and the second sliding grooves 391 are formed in the inside of the positioning rods 34. More specifically, the positioning grooves 35 are arranged to accommodate the positioning rods 34, and the second sliding grooves 391 are arranged to limit the sliding rods 392.

[0029] In some embodiments of the application, the sliding rods 392 are slidably arranged in the second sliding grooves 391, the two sides of the sliding rods 392 are fixedly connected with the inner cavities of the positioning grooves 35, and the bottom of the positioning rod 34 is fixedly connected with the top of the positioning fixed top base 32. More specifically, the sliding rods 392 are arranged to limit the positioning rods 34, so as to prevent the positioning rods 34 from shaking during movement.

[0030] In some embodiments, the threaded groove 36 is arranged at the center of the bottom of the positioning seat 31, the second threaded rod 37 is arranged in the threaded groove 36, the rotating disc 38 is fixedly arranged at the bottom of the second threaded rod 37, and the pressure control sensor 39 is fixedly arranged at the bottom of the rotating disc 38, more specifically, the second threaded rod 37 is limited by the threaded groove 36, the position of the rotating disc 38 and the pressure control sensor 39 is adjusted by the second threaded rod 37, and the distance between the positioning and fixing top seat 32 and the positioning and fixing bottom seat 21 is indirectly adjusted.

[0031] Working principle:

[0032] Step one: when in use, the positioning and fixing bottom seat 21 is moved to a specified position, then the air cylinder 22 is opened, the positioning and fixing bottom seat 21 is driven upward by the air cylinder 22, the leg or arm of a patient is driven upward by the positioning and fixing bottom seat 21, the positioning and fixing top seat 32 is driven upward by the spring 33 and the positioning rod 34 under the volume effect, and the pressure control sensor 39 is contacted, and the air cylinder 22 stops working when a certain pressure is reached.

[0033] Step two: at this time, the first motor 12 is opened, the first threaded rod 13 is driven to rotate by the first motor 12, the inserter body 4 is inserted into a specified position in the inside of a bone under the action of the sliding block 15, the distance of clamping is adjusted, the rotating disc 38 is rotated, the second threaded rod 37 is driven to rotate by the rotating disc 38, the pressure control sensor 39 is driven to move downward, so that the distance of clamping is adjusted, and the body of a person is fixed by adjusting the distance, and the advantages are that the body of a person can be accurately inserted and fixed.

[0034] The above merely illustrates a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0035] It should be noted that, in this document, the terms such as first and second are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

Claims

1. An inserter for bone fixation, characterized by: The utility model provides an insertion depth control assembly (1), mobile assembly (2), adjust limiting assembly (3) and inserter body (4) are included, adjust limiting assembly (3) is arranged at the bottom of insertion depth control assembly (1), mobile assembly (2) is arranged at the surface of adjust limiting assembly (3), inserter body (4) is arranged at the front of insertion depth control assembly (1), insertion depth control assembly (1) includes first fixed link (11), first motor (12), first threaded rod (13), first sliding slot (14) and sliding block (15), mobile assembly (2) includes positioning fixed base (21), air cylinder (22) and positioning block (23), adjust limiting assembly (3) includes positioning seat (31), positioning fixed top seat (32), spring (33), positioning rod (34), positioning groove (35), threaded groove (36), second threaded rod (37), rotating disc (38), pressure control sensor (39), second sliding slot (391) and sliding rod (392).

2. The inserter for bone fixation according to claim 1, characterized in that: The first motor (12) is fixedly installed at the top of the first fixed link (11), the first sliding slot (14) is opened at the front of the first fixed link (11), and the sliding block (15) slides in the first sliding slot (14).

3. The inserter for bone fixation of claim 1, wherein: The back of the inserter body (4) is fixedly connected with the front of the sliding block (15), the first threaded rod (13) is screwed in the sliding block (15), and the output shaft of the first motor (12) penetrates into the inner cavity of the first sliding slot (14) and is fixedly connected with the top of the first threaded rod (13).

4. The inserter for bone fixation of claim 1, wherein: The positioning block (23) is fixedly installed on both sides of the first fixed link (11), the air cylinder (22) is fixedly installed at the bottom of the positioning block (23), and the positioning fixed base (21) is fixedly installed at the bottom of the air cylinder (22).

5. The inserter for bone fixation of claim 1, wherein: The positioning seat (31) is fixedly installed at the bottom of the first fixed link (11), the springs (33) are fixedly installed on both sides of the bottom of the positioning seat (31), and the positioning fixed top seat (32) is fixedly installed at the bottom of the spring (33).

6. The inserter for bone fixation of claim 1, wherein: The positioning groove (35) is opened at the two sides in the positioning seat (31), the positioning rod (34) is arranged in the inner cavity of the positioning groove (35), and the second sliding slot (391) is opened in the positioning rod (34).

7. The inserter for bone fixation of claim 1, wherein: The sliding rod (392) slides in the second sliding slot (391), the two sides of the sliding rod (392) are fixedly connected with the inner cavities of the positioning grooves (35), and the bottom of the positioning rod (34) is fixedly connected with the top of the positioning fixed top seat (32).

8. The inserter for bone fixation of claim 1, wherein: The threaded groove (36) is opened at the center of the bottom of the positioning seat (31), the second threaded rod (37) rotates in the threaded groove (36), the rotating disc (38) is fixedly installed at the bottom of the second threaded rod (37), and the pressure control sensor (39) is fixedly installed at the bottom of the rotating disc (38).

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