CN219422873U - Flexible shaft retractor with high omnibearing traction flexibility - Google Patents

Abstract

The utility model discloses a flexible shaft retractor with high omnibearing traction flexibility, which relates to the technical field of flexible shaft retractors and comprises a fixed base, wherein the lower end of the fixed base is provided with a mounting component, the upper end of the fixed base is provided with a positioning component, the upper end of the positioning component is provided with a center column, the upper end of the center column is connected with a limiting plate, the surface of the center column is provided with a first rotating component, the surface of the center column is provided with a second rotating component, the right side of the first rotating component and the left side of the second rotating component are both provided with a flexible shaft retractor main body, the flexible shaft retractor with high omnibearing traction flexibility moves left and right in a directional sliding rail through a T-shaped sliding block, so that transverse adjustment is conveniently carried out according to the treatment position of a brain, the flexible shaft retractor can also rotate on the center column through a sleeve, and simultaneously, a pointer is matched with a scale mark on an angle positioning disc, so that medical staff can conveniently carry out accurate angle adjustment on the flexible shaft retractor main body according to the treatment requirement, and 360-degree arbitrary azimuth retraction is realized.

Description

Flexible shaft retractor with high omnibearing traction flexibility

Technical Field

The utility model relates to the technical field of flexible shaft retractors, in particular to a flexible shaft retractor with high omnibearing retraction flexibility.

Background

The flexible shaft retractor is a common surgical instrument for craniocerebral neurosurgery, is widely applied to various craniotomies such as intracranial hematoma, hydrocele, intracranial tumor and the like, is used for retracting tissues during brain surgery, and expands the surgical field of view.

The flexible shaft retractor comprises a fixed support, a clamping assembly and a flexible shaft assembly, wherein the flexible shaft assembly comprises a plurality of loose joint spheres, two ends of each loose joint sphere are respectively provided with a containing hole and a convex part, the convex parts of two adjacent loose joint spheres are in interference fit with the containing holes so that the plurality of loose joint spheres are sequentially connected.

Therefore, there is an urgent need to design a flexible shaft retractor with high omnibearing traction flexibility to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a flexible shaft retractor with high omnibearing traction flexibility so as to solve the problem that the angle of the flexible shaft retractor cannot be adjusted in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible axle retractor that all-round tractive dexterity is high, includes unable adjustment base, unable adjustment base's lower extreme is provided with the installation component, unable adjustment base's upper end is provided with locating component, the center post is installed to locating component's upper end, the upper end of center post is connected with the limiting plate, the surface of center post is provided with first rotating assembly, the surface of center post is provided with the second rotating assembly, flexible axle retractor main part is all installed with the left side of second rotating assembly on the right side of first rotating assembly.

Further, the installation component is including first screw hole, first control knob, clamp plate, first screw hole sets up the lower extreme at unable adjustment base, the inboard of first screw hole is connected with first control knob, first screw hole and first control knob threaded connection, the clamp plate is installed to the upper end of first control knob, through the first control knob in the rotatory first screw hole for the clamp plate can reciprocate, thereby is convenient for fix unable adjustment base at the operation bedside.

Further, the positioning assembly comprises a directional sliding rail and a T-shaped sliding block, the directional sliding rail is arranged at the upper end of the fixed base, the T-shaped sliding block is connected to the inner side of the directional sliding rail, the directional sliding rail is in sliding connection with the T-shaped sliding block, and the directional sliding rail moves left and right in the directional sliding rail through the T-shaped sliding block, so that the horizontal adjustment is conveniently performed according to the treatment position of the brain.

Further, the locating component is further comprising a jack and a slip-preventing bolt, wherein the jack is arranged at the upper end of the T-shaped sliding block and the upper end of the fixed base, the jacks are distributed at equal intervals, the slip-preventing bolt is connected to the inner side of the jack, the jack is connected with the slip-preventing bolt in a clamping mode, and the jack is sequentially inserted into the fixed base and the jack on the T-shaped sliding block through the slip-preventing bolt, so that the T-shaped sliding block can be fixed in the directional sliding rail without sliding.

Further, first rotating assembly is including angle positioning disk, scale mark, sleeve, angle positioning disk sets up the surface at the center post, angle positioning disk's upper end is provided with the scale mark, the surface connection of center post has the sleeve, center post and sleeve swivelling joint rotate on the center post through the sleeve, cooperate the scale mark on the pointing angle positioning disk of pointer simultaneously to be convenient for medical personnel carry out accurate angle modulation to flexible axle retractor main part according to the needs of treatment, realize 360 degrees arbitrary azimuth's of tractive.

Further, first rotating assembly still includes second screw hole, second control knob, connecting rod, pointer, the second screw hole sets up on telescopic surface, the inboard of second screw hole is connected with the second control knob, second screw hole and second control knob threaded connection, telescopic surface mounting has the connecting rod, the lower extreme of connecting rod is connected with the pointer, through the second control knob in the rotatory second screw hole for the sleeve can be fixed on the center post, can not rotate, plays fixed effect.

Further, the structure of the second rotating assembly is the same as that of the first rotating assembly, and the two flexible shaft retractor main bodies are arranged, so that the retracting force of brain tissues can be effectively improved, the surgical visual field is wider, and the operation of medical staff is more convenient.

Compared with the prior art, the utility model has the beneficial effects that:

1. the flexible shaft retractor with high omnibearing traction flexibility moves left and right in the directional sliding rail through the T-shaped sliding block, so that transverse adjustment is conveniently performed according to the treatment position of the brain, the sleeve can also rotate on the center column, and meanwhile, the pointer is matched with the scale mark on the angle positioning disc, so that medical staff can conveniently perform accurate angle adjustment on the flexible shaft retractor main body according to the treatment requirement, 360-degree traction in any direction is realized, the flexibility is higher, and the use is more convenient;

2. this all-round flexible axle retractor that pulls dexterity is high through setting up two flexible axle retractor main parts, compares traditional single flexible axle retractor, can effectively improve the dynamics of pulling back of brain tissue for the operation field of vision is wider, thereby makes things convenient for medical personnel to operate more.

Drawings

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

FIG. 2 is a schematic view of a stationary base structure according to the present utility model;

FIG. 3 is a schematic view of a T-shaped slider structure according to the present utility model;

fig. 4 is a schematic view of the main body structure of the flexible shaft retractor of the utility model.

In the figure: 100. a mounting assembly; 200. a positioning assembly; 300. a first rotating assembly; 400. a second rotating assembly; 1. a fixed base; 2. a first threaded hole; 3. a first control knob; 4. a pressing plate; 5. a directional slide rail; 6. a T-shaped slider; 7. a jack; 8. a slip-resistant latch; 9. a center column; 10. an angle positioning disk; 11. scale marks; 12. a limiting plate; 13. a sleeve; 14. a second threaded hole; 15. a second control knob; 16. a connecting rod; 17. a pointer; 18. a flexible shaft retractor body.

Detailed Description

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a flexible axle retractor that all-round tractive flexibility is high, includes unable adjustment base 1, unable adjustment base 1's lower extreme is provided with installation component 100, unable adjustment base 1's upper end is provided with locating component 200, center post 9 is installed to locating component 200's upper end, center post 9's upper end is connected with limiting plate 12, center post 9's surface is provided with first rotating assembly 300, center post 9's surface is provided with second rotating assembly 400, flexible axle retractor main part 18 is all installed to first rotating assembly 300's right side and second rotating assembly 400's left side.

Simultaneously, installation component 100 is including first screw hole 2, first control knob 3, clamp plate 4, first screw hole 2 sets up the lower extreme at unable adjustment base 1, the inboard of first screw hole 2 is connected with first control knob 3, first screw hole 2 and first control knob 3 threaded connection, clamp plate 4 is installed to the upper end of first control knob 3, through the first control knob 3 in rotatory first screw hole 2 for clamp plate 4 can reciprocate, thereby is convenient for fix unable adjustment base 1 at the operation bedside, positioning component 200 is including directional slide rail 5, T shape slider 6, directional slide rail 5 sets up the upper end at unable adjustment base 1, the inboard of directional slide rail 5 is connected with T shape slider 6, directional slide rail 5 and T shape slider 6 sliding connection, and through T shape slider 6 about carrying out the lateral adjustment in directional slide rail 5 to be convenient for according to the treatment position of brain, positioning component 200 still includes jack 7, limited slip 8, jack 7 sets up on T shape slider 6 and unable adjustment base 7, the jack 7 is fixed in proper order to be fixed in the slip joint at jack 7, limited slip 8, can be fixed in proper order to the jack 7 and the slip joint in T shape slider 6.

In addition, first rotating assembly 300 is including angle positioning disk 10, scale mark 11, sleeve 13, angle positioning disk 10 sets up the surface at center post 9, angle positioning disk 10's upper end is provided with scale mark 11, center post 9's surface connection has sleeve 13, center post 9 and sleeve 13 swivelling joint, rotate on center post 9 through sleeve 13, the scale mark 11 on the directional angle positioning disk 10 of cooperation pointer 17 simultaneously, thereby the medical personnel of being convenient for carry out accurate angle modulation to retractor main part 18 according to the needs of treatment, realize 360 degrees arbitrary azimuth's tractive, first rotating assembly 300 still includes second screw hole 14, second control knob 15, connecting rod 16, pointer 17, second screw hole 14 sets up the surface at sleeve 13, the inboard of second screw hole 14 is connected with second control knob 15, second screw hole 14 and second control knob 15 threaded connection, sleeve 13's surface mounting has connecting rod 16, the lower extreme of connecting rod 16 is connected with pointer 17, can make the second flexible axle 14 rotate the second flexible shaft 15 in the second screw hole 14 and can not fix the structure of the second flexible shaft, can make the second rotating assembly 400 rotate the visual field of the main part more, can the same with the manual structure is realized, the manual operation is more convenient to the second rotating assembly is realized, the manual operation is more has the manual structure is more 400, can be fixed with the second flexible shaft is more convenient, the manual operation is easy, the manual work is convenient, and has the manual work and has the convenience, and has the convenience.

When the flexible shaft retractor with high omnibearing traction flexibility is used, firstly, the fixing base 1 is clamped at the side of an operation bed, then the first control knob 3 in the first threaded hole 2 is screwed, so that the pressing plate 4 can move up and down, the fixing base 1 is conveniently fixed at the side of the operation bed, then, the T-shaped sliding block 6 moves left and right in the directional sliding rail 5, the anti-slip plug 8 is sequentially inserted into the fixing base 1 and the insertion hole 7 on the T-shaped sliding block 6, the T-shaped sliding block 6 can be fixed in the directional sliding rail 5 and cannot slide, so that transverse adjustment is conveniently performed according to the treatment position of the brain, finally, the sleeve 13 rotates on the central column 9, and simultaneously, the pointer 17 is matched with the scale mark 11 on the angle positioning disk 10, so that medical staff can accurately adjust the angle of the retractor main body 18 according to the treatment requirement, any azimuth traction is realized, and then, the second control knob 15 in the second threaded hole 14 is rotated, so that the sleeve 13 can be fixed on the central column 9, and can be fixed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. All-round flexible axle retractor that pulls dexterity is high, including unable adjustment base (1), its characterized in that: the lower extreme of unable adjustment base (1) is provided with installation component (100), the upper end of unable adjustment base (1) is provided with locating component (200), center post (9) are installed to the upper end of locating component (200), the upper end of center post (9) is connected with limiting plate (12), the surface of center post (9) is provided with first rotating assembly (300), the surface of center post (9) is provided with second rotating assembly (400), flexible axle retractor main part (18) are all installed on the right side of first rotating assembly (300) and the left side of second rotating assembly (400).

2. The all-round flexible shaft retractor of claim 1 having high traction dexterity, wherein: the mounting assembly (100) comprises a first threaded hole (2), a first control knob (3) and a pressing plate (4), wherein the first threaded hole (2) is formed in the lower end of the fixed base (1), the first control knob (3) is connected to the inner side of the first threaded hole (2), the first threaded hole (2) is in threaded connection with the first control knob (3), and the pressing plate (4) is mounted at the upper end of the first control knob (3).

3. The all-round flexible shaft retractor of claim 1 having high traction dexterity, wherein: the positioning assembly (200) comprises a directional sliding rail (5) and a T-shaped sliding block (6), wherein the directional sliding rail (5) is arranged at the upper end of the fixed base (1), the T-shaped sliding block (6) is connected to the inner side of the directional sliding rail (5), and the directional sliding rail (5) is in sliding connection with the T-shaped sliding block (6).

4. A flexible shaft retractor of claim 3 having high omnibearing pullout dexterity, wherein: the positioning assembly (200) further comprises inserting holes (7) and anti-slip bolts (8), the inserting holes (7) are arranged at the upper ends of the T-shaped sliding blocks (6) and the fixed base (1), the inserting holes (7) are distributed at equal intervals, the anti-slip bolts (8) are connected to the inner sides of the inserting holes (7), and the inserting holes (7) are connected with the anti-slip bolts (8) in a clamping mode.

5. The all-round flexible shaft retractor of claim 1 having high traction dexterity, wherein: the first rotating assembly (300) comprises an angle positioning disc (10), scale marks (11) and a sleeve (13), wherein the angle positioning disc (10) is arranged on the surface of a central column (9), the scale marks (11) are arranged at the upper end of the angle positioning disc (10), the sleeve (13) is connected with the surface of the central column (9), and the central column (9) is rotationally connected with the sleeve (13).

6. The flexible shaft retractor of claim 5 having high omnibearing pullout dexterity, wherein: the first rotating assembly (300) further comprises a second threaded hole (14), a second control knob (15), a connecting rod (16) and a pointer (17), wherein the second threaded hole (14) is formed in the surface of the sleeve (13), the second control knob (15) is connected to the inner side of the second threaded hole (14), the second threaded hole (14) is in threaded connection with the second control knob (15), the connecting rod (16) is mounted on the surface of the sleeve (13), and the pointer (17) is connected to the lower end of the connecting rod (16).

7. The flexible shaft retractor of claim 6 having high omnibearing pullout dexterity, wherein: the second rotating assembly (400) has the same structure as the first rotating assembly (300).