CN219048657U

CN219048657U - Retractor

Info

Publication number: CN219048657U
Application number: CN202222769013.8U
Authority: CN
Inventors: 刘运超
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-05-23
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a retractor, which belongs to the technical field of medical instruments and comprises an L-shaped clamping plate, two expansion plates and a mounting block, wherein a rotating column is rotatably connected in the mounting block, a cavity is arranged in the rotating column, a sliding plate is slidably connected in the cavity, a fixed rod is fixedly connected to the top of the sliding plate, a spring is fixedly connected to the top of the sliding plate and positioned on the outer surface of the fixed rod, the mounting plate is driven to move upwards by pulling a handle, the mounting plate drives two inserting rods to separate from original mounting holes, the spring is extruded by the fixed rod and the sliding plate, the handle is rotated, the handle is driven to rotate by the rotating column, a distance adjusting assembly and a connecting assembly, and the handle is released after the rotating column rotates to the corresponding position of a wound trend, the inserting rods are inserted into the corresponding mounting holes by the spring, so that the expansion plates can be conveniently expanded aiming at wound trends in different directions, the use limitation is reduced, and the flexibility of the retractor is improved.

Description

Retractor

Technical Field

The utility model relates to a retractor, in particular to a retractor, and belongs to the technical field of medical appliances.

Background

Neurosurgery is mainly used for treating diseases of brain, spinal cord and other nervous systems caused by trauma, such as life-threatening cerebral hemorrhage amount, brain trauma caused by car accidents, or operation treatment required by brain tumor compression and the like, and the prior patent publication No. CN202121169592.1 provides a retractor for neurosurgery, which has the advantages of simple operation, capability of adjusting various heights according to patients with different body types, retracting wounds of patients and capability of retracting wounds of patients with various sizes.

In this published patent, to the arm that pulls open of pulling open the wound, the fixed unable regulation of angle, in patient's treatment, the trend of wound is various, not only horizontal or vertically trend, and the fixed trend that then leads to year old wound to pull open of arm angle is fixed, can't be according to the wound trend flexible adjustment angle of pulling open the arm expansion, has certain limitation in the use, and the flexibility is lower.

Disclosure of Invention

The utility model aims to solve the problems and provide the retractor which can flexibly adjust the angle of the expansion plate, is convenient for expanding the wound trend in different directions, is beneficial to reducing the use limitation and improves the flexibility of the retractor.

The utility model realizes the aim through the following technical scheme that the retractor comprises an L-shaped clamping plate, two expansion plates and a mounting block, wherein a rotating column is rotatably connected in the mounting block, a cavity is formed in the rotating column, a sliding plate is slidably connected in the cavity, a fixed rod is fixedly connected to the top of the sliding plate, a spring is fixedly connected to the top of the sliding plate and positioned on the outer surface of the fixed rod, a mounting plate is fixedly connected to the top of the fixed rod, two inserting rods are fixedly connected to the bottom of the mounting plate, a handle is fixedly connected to the top of the mounting plate, a distance adjusting assembly is arranged at the bottom of the rotating column, and two expansion plates are arranged at the bottom of the distance adjusting assembly.

Preferably, in order to realize that two expansion plates move relatively and adjust the interval, the roll adjustment subassembly includes the fixed shell, fixed shell fixed connection in the bottom of rotating the post, it is connected with two-way threaded rod to rotate between the both sides of fixed shell inner wall, two movable plates are connected with to the surface screw thread of two-way threaded rod.

Preferably, in order to facilitate quick assembly disassembly of the expansion plates, the bottoms of the two movable plates are provided with connecting assemblies, each connecting assembly comprises an L-shaped connecting plate, and the L-shaped connecting plates are fixedly connected to the bottoms of the movable plates.

Preferably, for the convenience with spacing between expansion plate and the fixed column, one side fixedly connected with fixed column of L type connecting plate, spacing hole has been seted up at the top of fixed column, the top fixedly connected with installation shell of L type connecting plate.

Preferably, in order to play the automatic re-setting of L type limiting plate, vertical groove has been seted up to one side of installation shell, the inside sliding connection of installation shell has L type limiting plate, the top fixedly connected with inner spring of L type limiting plate.

Preferably, for the convenience with equipment centre gripping on the bed board of using, the installation shell with one side of L type limiting plate is all fixedly connected with regulating plate, the bottom of L type grip block is connected with the screw rod through the fixed plate rotation, the surface threaded connection of screw rod has splint.

Preferably, in order to play the height adjustment with the expansion plate, the top fixedly connected with supporting mechanism of L type grip block, supporting mechanism's top fixedly connected with mount pad, the inside rotation of mount pad is connected with link mechanism.

Preferably, in order to realize adjusting the position of expansion plate to wound, the inside of mount pad is provided with a plurality of inside groove, a plurality of the inside in inside groove all fixedly connected with little spring, a plurality of the inside in inside groove all sliding connection has the stopper.

The beneficial effects of the utility model are as follows:

1. the mounting plate is driven upwards by pulling the handle, the mounting plate drives the two inserting rods to separate from the original mounting holes, the spring is extruded through the fixing rod and the sliding plate, the handle is rotated, the handle drives the two expansion plates to rotate through the rotating column, the distance adjusting assembly and the connecting assembly, the handle is loosened after the handle rotates to the corresponding position of the wound trend, the spring enables the inserting rods to be inserted into the corresponding mounting holes to fix the angle of the expansion plates, the expansion is carried out on the wound trend in different directions conveniently, the use limitation is reduced, and the use flexibility of the retractor is improved.

2. The two adjusting plates are pinched to drive the L-shaped limiting plates to separate from the limiting holes, the limiting of the expansion plates can be relieved, the expansion plates can be pulled away from the fixing columns to be detached, during installation, the two adjusting plates are pinched until the L-shaped limiting plates are positioned in the installation shell, the fixing holes on the expansion plates are inserted into the loosening adjusting plates corresponding to the fixing columns, the inner springs push the L-shaped limiting plates to be clamped into the limiting holes, the expansion plates are convenient to quickly disassemble and assemble, and the expansion plates after use can be detached, cleaned and sterilized conveniently.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the front view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model from the front.

Fig. 3 is an enlarged schematic view of the portion a of fig. 2 according to the present utility model.

Fig. 4 is an inner cross-sectional view of the mounting block of the present utility model.

Fig. 5 is an enlarged schematic view of the portion B of fig. 4 according to the present utility model.

In the figure: 1. an L-shaped clamping plate; 2. an expansion plate; 3. a mounting block; 4. rotating the column; 5. a cavity; 6. a sliding plate; 7. a fixed rod; 8. a spring; 9. a mounting plate; 10. a rod; 11. a handle; 12. a distance adjusting component; 1201. a fixed case; 1202. a two-way threaded rod; 1203. a moving plate; 13. a connection assembly; 1301. an L-shaped connecting plate; 1302. fixing the column; 1303. a limiting hole; 1304. a mounting shell; 1305. a vertical groove; 1306. an L-shaped limiting plate; 1307. an inner spring; 1308. an adjusting plate; 14. a screw; 15. a clamping plate; 16. a support mechanism; 17. a mounting base; 18. a link mechanism; 19. an inner tank; 20. a small spring; 21. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a retractor includes an L-shaped clamping plate 1, two expansion plates 2 and a mounting block 3, wherein a rotating column 4 is rotatably connected in the interior of the mounting block 3, a plurality of mounting holes are formed in the top of the mounting block 3, the size of the mounting holes is matched with the size of an inserting rod 10, a cavity 5 is formed in the interior of the rotating column 4, a sliding plate 6 is slidably connected in the cavity 5, the sliding track of the sliding plate 6 can only move up and down, rotation cannot occur when the mounting plate 9 is rotated, a fixing rod 7 is fixedly connected to the top of the sliding plate 6, a spring 8 is fixedly connected to the top of the sliding plate 6 and is positioned on the outer surface of the fixing rod 7, the spring 8 plays a role in automatically resetting the sliding plate 6, a mounting plate 9 is fixedly connected to the top of the fixing rod 7, the top of the fixing rod 7 penetrates and extends to the top of the rotating column 4, the penetrating part is in a sliding connection, two inserting rods 10 are fixedly connected to the bottom of the mounting plate 9, a handle 11 is fixedly connected to the top of the mounting plate 9, a distance adjusting assembly 12 is arranged at the bottom of the rotating column 4, and the two expansion plates 2 are arranged at the bottom of the distance adjusting assembly 12.

As a technical optimization scheme of the present utility model, as shown in fig. 4, the distance adjusting assembly 12 includes a fixed shell 1201, the fixed shell 1201 is fixedly connected to the bottom end of the rotary column 4, a bidirectional threaded rod 1202 is rotatably connected between two sides of the inner wall of the fixed shell 1201, one end of the bidirectional threaded rod 1202 penetrates and extends to the outside of the fixed shell 1201, the penetrating part is rotatably connected, two moving plates 1203 are screwed on the outer surface of the bidirectional threaded rod 1202, the two moving plates 1203 are both slidably connected to the top of the inner wall of the fixed shell 1201, the bottoms of the two moving plates 1203 are both provided with a connecting assembly 13, the connecting assembly 13 includes an L-shaped connecting plate 1301, the L-shaped connecting plate 1301 is fixedly connected to the bottom of the moving plate 1203, one side fixedly connected with fixed column 1302 of L type connecting plate 1301, the fixed orifices has all been seted up on two expansion plates 2, the size looks adaptation of fixed column 1302 is seted up at the size of fixed orifice 1303, the top fixedly connected with installation shell 1304 of L type connecting plate 1301, vertical groove 1305 has been seted up to one side of installation shell 1304, the inside sliding connection of installation shell 1304 has L type limiting plate 1306, the bottom of L type limiting plate 1306 runs through and extends to the bottom of L type connecting plate 1301, and the department of running through is sliding connection, the top fixedly connected with inner spring 1307 of L type limiting plate 1306, the effect with automatic reset of L type limiting plate 1306 is played to inner spring 1307.

As a technical optimization scheme of the utility model, as shown in FIG. 5, one sides of a mounting shell 1304 and an L-shaped limiting plate 1306 are fixedly connected with an adjusting plate 1308, the adjusting plate 1308 on the mounting shell 1304 plays a role in assisting force, the bottom of the L-shaped clamping plate 1 is rotationally connected with a screw 14 through the fixing plate, the bottom of the screw 14 is fixedly connected with a fixing button, the outer surface of the screw 14 is in threaded connection with a clamping plate 15, one side of the clamping plate 15 is in sliding connection with one side of the L-shaped clamping plate 1, the top of the L-shaped clamping plate 1 is fixedly connected with a supporting mechanism 16, the supporting mechanism 16 and a connecting rod mechanism 18 are similar in structure, the supporting mechanism 16 is equally divided into a fixing sleeve and a supporting column, the supporting column is in sliding connection with the inside of the fixing sleeve, the internal thread of the fixing sleeve is connected with a limiting screw, the supporting column is limited by the limiting screw to prevent the supporting column from sliding, the height of the connecting rod mechanism 18 and the position of the expansion plate 2 are adjusted, the top of the supporting mechanism 16 is fixedly connected with a mounting seat 17, the inside of the mounting seat 17 is rotationally connected with a connecting rod mechanism 18, the top of the fixing sleeve in the screw 18, a clamping hole is formed in a position corresponding to the limiting block 21, a plurality of limiting blocks 19 are arranged inside the mounting seat 17, a plurality of small limiting blocks 19 are connected with the inside small inner grooves 19 and a plurality of limiting blocks 21 and a plurality of small springs 21 are automatically extend to the inside of the limiting blocks 20, and the small inner limiting blocks 21 are connected to the inside the small inner grooves 20, and the inside the small limiting blocks 20 and extend through the inside 21.

When the device is used, the L-shaped clamping plate 1 and the clamping plate 15 are placed at the top and the bottom of one side of the bed plate, the clamping plate 15 is upwards clamped on the bed plate through the rotating screw 14 to install the device, the height of the connecting rod mechanism 18 is adjusted through the supporting mechanism 16, the distance between the expansion plates 2 and a patient is adjusted to be used by patients with different sizes, the expansion plates 2 are adjusted to the top of a wound through the connecting rod mechanism 18, the limiting block 21 is pushed by the pushing force to slide into the inner groove 19 through the rotating connecting rod mechanism 18 until the connecting rod mechanism 18 is rotated to a proper angle, after the clamping hole corresponds to the limiting block 21, the small spring 20 pushes the limiting block 21 to clamp into the clamping hole, so that the direction of the connecting rod mechanism 18 is fixed, the position of the expansion plates 2 is adjusted to the position corresponding to the wound, the two moving plates 1203 are relatively moved through the rotating the two connecting rod 1202, the two expansion plates 1203 are respectively driven by the two connecting components 13 to relatively move to adjust the distance, so that the wound can be expanded and the wound can be pulled and expanded, and the expansion degrees with different degrees can be adjusted.

The handle 11 is pulled to drive the mounting plate 9 upwards, the mounting plate 9 drives the two inserting rods 10 to be separated from the original mounting hole upwards, and drives the fixed rod 7 to slide out, the fixed rod 7 drives the sliding plate 6 to upwards extrude the spring 8, after the inserting rods 10 are separated from the mounting hole, the handle 11 is rotated, the handle 11 drives the mounting plate 9 and the inserting rods 10 to rotate, thereby driving the rotating column 4 to rotate, the rotating column 4 drives the distance adjusting component 12 and the connecting component 13 to rotate, the connecting component 13 drives the two expanding plates 2 to rotate, the handle 11 is loosened after the connecting component rotates to the corresponding position of the wound trend, the spring 8 resets the pulling mounting plate 9 and the inserting rods 10 to be inserted into the corresponding mounting hole to fix the angle of the expanding plates 2, and accordingly the angles corresponding to the wound trend of the two expanding plates 2 and the wound trend are adjusted, and the wound trend in different directions can be conveniently expanded.

The L-shaped limiting plates 1306 are driven to slide upwards by pinching the two adjusting plates 1308, the L-shaped limiting plates 1306 upwards extrude the inner springs 1307 until the L-shaped limiting plates 1306 are separated from the limiting holes 1303, the limitation on the expansion plates 2 can be relieved, the expansion plates 2 can be completely detached by being pulled away from the fixed columns 1302, during installation, the two adjusting plates 1308 are pinched until the L-shaped limiting plates 1306 are positioned in the installation shell 1304, the fixed holes on the expansion plates 2 are inserted corresponding to the fixed columns 1302, the adjusting plates 1308 are loosened, the inner springs 1307 push the L-shaped limiting plates 1306 to be reset and clamped into the limiting holes 1303, the expansion plates 2 are prevented from sliding from the fixed columns 1302, the expansion plates 2 are convenient to quickly disassemble and assemble, and the expansion plates 2 after use are convenient to disassemble, clean and disinfect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A retractor, characterized in that: including L type grip block (1), two expansion plates (2) and installation piece (3), the inside rotation of installation piece (3) is connected with rotation post (4), the inside of rotation post (4) is provided with cavity (5), the inside sliding connection of cavity (5) has slide plate (6), the top fixedly connected with dead lever (7) of slide plate (6), the top of slide plate (6) just is located the surface fixedly connected with spring (8) of dead lever (7), the top fixedly connected with mounting panel (9) of dead lever (7), the bottom fixedly connected with two inserted bars (10) of mounting panel (9), the top fixedly connected with handle (11) of mounting panel (9), the bottom of rotation post (4) is provided with pitch adjustment subassembly (12), two expansion plates (2) set up with the bottom of pitch adjustment subassembly (12).

2. A retractor according to claim 1, wherein: the distance adjusting assembly (12) comprises a fixed shell (1201), the fixed shell (1201) is fixedly connected to the bottom end of the rotating column (4), a bidirectional threaded rod (1202) is connected between two sides of the inner wall of the fixed shell (1201) in a rotating mode, and two movable plates (1203) are connected to the outer surface of the bidirectional threaded rod (1202) in a threaded mode.

3. A retractor according to claim 2, wherein: the bottoms of the two movable plates (1203) are provided with connecting assemblies (13), the connecting assemblies (13) comprise L-shaped connecting plates (1301), and the L-shaped connecting plates (1301) are fixedly connected to the bottoms of the movable plates (1203).

4. A retractor according to claim 3, wherein: one side fixedly connected with fixed column (1302) of L type connecting plate (1301), spacing hole (1303) have been seted up at the top of fixed column (1302), the top fixedly connected with installation shell (1304) of L type connecting plate (1301).

5. A retractor according to claim 4, wherein: a vertical groove (1305) is formed in one side of the installation shell (1304), an L-shaped limiting plate (1306) is connected inside the installation shell (1304) in a sliding mode, and an inner spring (1307) is fixedly connected to the top of the L-shaped limiting plate (1306).

6. A retractor according to claim 5, wherein: the mounting shell (1304) with one side of L type limiting plate (1306) is all fixedly connected with regulating plate (1308), the bottom of L type grip block (1) is connected with screw rod (14) through the fixed plate rotation, the surface threaded connection of screw rod (14) has splint (15).

7. A retractor according to claim 1, wherein: the top fixedly connected with supporting mechanism (16) of L type grip block (1), the top fixedly connected with mount pad (17) of supporting mechanism (16), the inside rotation of mount pad (17) is connected with link mechanism (18).

8. A retractor according to claim 7, wherein: the inside of mount pad (17) is provided with a plurality of inside groove (19), a plurality of inside groove (19) the inside all fixedly connected with little spring (20), a plurality of inside groove (19) the inside all sliding connection has stopper (21).