CN216317761U

CN216317761U - Neurosurgery retractor

Info

Publication number: CN216317761U
Application number: CN202122804041.4U
Authority: CN
Inventors: 李春秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-19
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a neurosurgical retractor, which comprises: the base is acted on a carrier for installing basic equipment, a supporting rod is arranged on the base and is acted on the carrier for providing supporting force, the top end of the supporting rod is connected with a propeller, one side of the propeller is connected with an installation frame, and one side of the installation frame is provided with a retracting retractor which is acted on the exposed operation range; the thread groove is formed in the supporting rod, and a screw rod penetrates through the thread groove and the base. This neurosurgery retractor at first, can promote the bracing piece through bracing piece and lead screw thread slip and remove to can adjust equipment's height, then, the threaded rod can promote the connecting block and remove when carrying out thread slip along the mount pad, thereby can promote to lead out the retractor drag hook and carry out position control, and finally, pull the retractor drag hook again after L-shaped piece one end roll-off spread groove is inside and can break away from, thereby can change the retractor drag hook.

Description

Neurosurgery retractor

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a neurosurgery retractor.

Background

The retractor is also called a draw hook, is used for retracting tissues, exposes the range needing an operation, is convenient to explore and operate, and can be divided into a handheld draw hook and an automatic draw hook. The retractor has various specifications of different shapes and sizes, and can select a proper retractor according to the operation requirement, and the existing neurosurgery retractor has certain defects when in use, such as the defects of the retractor;

as disclosed in the publication No. CN211534573U, a retractor for neurosurgery comprises a device main body, an embedded rod and an embedded rod, wherein one side of the device main body is fixedly connected with the embedded rod, the inner part of the embedded rod is movably connected with the embedded rod, one end of the embedded rod is fixedly connected with a limiting groove, the top of the limiting groove is embedded and connected with a limiting bolt, the bottom of the limiting groove is embedded and connected with a second limiting bolt, the top end of the second limiting bolt is fixedly connected with a rubber pad, the middle part of the device main body is connected with a movable rail in a penetrating way, the flexibility of the device main body is improved by the movable rail, the anti-skid grab block avoids the retractor from falling off in the operation process of medical care personnel, the limiting block avoids the embedded rod from falling off the embedded rod, the length adjusting mechanism of the opening rod improves the flexibility of the device main body, the retractor can adapt to the operation with different requirements, the micro-adjusting mechanism improves the practicability of the device main body, the retractor is suitable for use in neurosurgery retractors and has wide development prospect in the future;

this prior art solution also presents the following problems when in use:

1. the height is not convenient to adjust;

2. the position of the retracting drag hook is not convenient to adjust;

3. the retractor hook is inconvenient to replace;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a neurosurgical retractor, which solves the problems that the height, the position and the replacement of a retracting hook are inconvenient to adjust and replace in the current market.

In order to achieve the purpose, the utility model provides the following technical scheme: a neurosurgical retractor comprising:

the base is acted on a carrier for installing basic equipment, a supporting rod is arranged on the base and is acted on the carrier for providing supporting force, the top end of the supporting rod is connected with a propeller, one side of the propeller is connected with an installation frame, and one side of the installation frame is provided with a retracting retractor which is acted on the exposed operation range;

the thread groove is seted up inside the bracing piece, through connection has the lead screw between thread groove and the base, install the motor between lead screw and the base, fixedly connected with guide bar on the base, sliding connection has the slider on the guide bar, slider fixed connection is in bracing piece one side.

Preferably, threaded connection is formed between the support rod and the screw rod through the thread groove, a rotating structure is formed between the base, the motor and the screw rod, the screw rod is driven to rotate by starting the motor, and the screw rod can perform threaded sliding with the thread groove when rotating, so that the support rod can be pushed to move.

Preferably, the mounting frame comprises:

the mounting base, fixed connection be in on the mounting bracket, threaded connection has the threaded rod on the mounting base, threaded rod one end is connected with the connecting block through the bearing, fixedly connected with guide block on the connecting block, guide block sliding connection is inside the guided way, guided way fixed connection is in connecting block one side, and the promotion connecting block removes, and the connecting block can stimulate the guide block and slide in the guided way.

Preferably, the mounting seat, the threaded rod, the connecting block, the guide block and the guide rail are symmetrically distributed with four groups by taking two as a group about the central line of the base, a rotating structure is formed between the threaded rod and the connecting block through a bearing, the threaded rod can slide along the mounting seat in a threaded manner by rotating the threaded rod, and the threaded rod can rotate along the connecting block through the bearing.

Preferably, the connecting block comprises:

the fixed block, fixed connection is in connecting block one side, the fixed block gomphosis is inside solid fixed cylinder, gu fixed cylinder fixed connection is in drawing out drag hook one side, the drawing groove has been seted up to connecting block inside, drawing groove both ends sliding connection has the T-shaped piece, fixedly connected with spring between the T-shaped piece, T-shaped piece one end fixedly connected with L-shaped piece, gu fixed cylinder and the inside spread groove of all having seted up of fixed block, L-shaped piece one end gomphosis is between the spread groove, and it draws out the drag hook and can drive the fixed block and break away from in the solid fixed cylinder again to pull after L-shaped piece one end roll-off spread groove is inside.

Preferably, a telescopic structure is formed between the T-shaped blocks through springs, the maximum sliding distance of the T-shaped blocks does not exceed the length of the drawing groove, and when the T-shaped blocks slide outwards along the drawing groove, the T-shaped blocks can pull the springs to expand.

Compared with the prior art, the utility model has the beneficial effects that: this neurosurgery retractor at first, can promote the bracing piece through bracing piece and lead screw thread slip and remove to can adjust equipment's height, then, the threaded rod can promote the connecting block and remove when carrying out thread slip along the mount pad, thereby can promote to lead out the retractor drag hook and carry out position control, and finally, pull the retractor drag hook again after L-shaped piece one end roll-off spread groove is inside and can break away from, thereby can change the retractor drag hook.

1. At first, the starter motor drive lead screw rotates, can carry out the thread slip with the thread groove when the lead screw rotates, and then can promote the bracing piece and remove, can stimulate the slider and slide on the guide bar when the bracing piece removes, and the bracing piece can drive propeller and mounting bracket and go up and down this moment to the height of adjusting means.

2. Then, rotate the threaded rod, the threaded rod can carry out the screw thread slip along the mount pad to rotate along the connecting block through the bearing, can promote the connecting block and remove this moment, the connecting block can stimulate the guide block and slide in the guided way, thereby can promote to draw the drag hook and remove, so that adjust the position of drawing the drag hook.

3. Finally, pulling L-shaped piece is along spread groove lateral shifting, and at this moment L-shaped piece can stimulate the T-shaped piece and outwards slide along the pull groove, can stimulate the spring expansion when the T-shaped piece slides, pull again when inside back of L-shaped piece one end roll-off spread groove and draw the retractor and can drive the fixed block and break away from out in the solid fixed cylinder to can drive and draw retractor and connecting block separation, so that change the retractor.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the mounting base of the present invention;

FIG. 3 is an enlarged view of part A of the present invention.

In the figure: 1. a base; 2. a support bar; 3. a propeller; 4. a mounting frame; 5. retracting the draw hook; 6. a thread groove; 7. a screw rod; 8. a motor; 9. a guide bar; 10. a slider; 11. a mounting seat; 12. a threaded rod; 13. connecting blocks; 14. a guide block; 15. a guide rail; 16. a fixed block; 17. a fixed cylinder; 18. drawing the groove; 19. a T-shaped block; 20. a spring; 21. an L-shaped block; 22. and connecting the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a neurosurgical retractor comprising: base 1, act on the carrier of installation basic unit, be provided with bracing piece 2 on the base 1, act on and provide the holding power, 2 tops of bracing piece are connected with

propeller

3, 3 one sides of propeller are connected with mounting bracket 4, mounting bracket 4 one side is provided with retractor 5, act on and show the operation scope, thread groove 6, set up inside bracing piece 2, through connection has lead screw 7 between thread groove 6 and the base 1, install motor 8 between lead screw 7 and the base 1, fixedly connected with guide bar 9 on the base 1, sliding connection has slider 10 on the guide bar 9, slider 10 fixed connection is in bracing piece 2 one side. The support rod 2 and the screw rod 7 form threaded connection through a thread groove 6, and a rotating structure is formed among the base 1, the motor 8 and the screw rod 7.

The starting motor 8 drives the screw rod 7 to rotate, the screw rod 7 can perform threaded sliding with the thread groove 6 when rotating, the supporting rod 2 can be pushed to move, and the supporting rod 2 can drive the propeller 3 to lift up and down with the mounting rack 4, so that the height of the adjusting device is convenient to adjust.

The mounting bracket 4 is including: mount pad 11, fixed connection is on mounting bracket 4, and threaded connection has threaded rod 12 on the mount pad 11, and threaded rod 12 one end is connected with connecting block 13 through the bearing, fixedly connected with guide block 14 on connecting block 13, and guide block 14 sliding connection is inside guided way 15, and guided way 15 fixed connection is in connecting block 13 one side. The mounting seat 11, the threaded rod 12, the connecting block 13, the guide block 14 and the guide rail 15 are symmetrically distributed in four groups by taking two as a group about the central line of the base 1, and a rotating structure is formed between the threaded rod 12 and the connecting block 13 through a bearing.

Rotating threaded rod 12, threaded rod 12 can carry out the screw thread slip along mount pad 11, can promote connecting block 13 this moment and remove to can promote to draw retractor 5 and remove, so that adjust the position of drawing retractor 5.

The connecting block 13 includes: fixed block 16, fixed connection is in connecting block 13 one side, 16 gomphosis of fixed block is inside fixed cylinder 17, fixed cylinder 17 fixed connection is in retracting drag hook 5 one side, connecting block 13 is inside to have seted up the drawing

groove

18, 18 both ends sliding connection in drawing groove have T-shaped piece 19, fixedly connected with spring 20 between the T-shaped

piece

19, 19 one end fixedly connected with L-shaped piece 21 of T-shaped piece, fixed

cylinder

17 and 16 inside spread groove 22 of all having seted up of fixed block, 21 one end gomphosis of L-shaped piece is between spread groove 22. The T-shaped blocks 19 form a telescopic structure through springs 20, and the maximum sliding distance of the T-shaped blocks 19 does not exceed the length of the drawing groove 18.

When one end of the L-shaped block 21 slides out of the connecting groove 22, the fixed block 16 is driven to be separated from the fixed cylinder 17 by pulling the retractor 5, so that the retractor 5 can be driven to be separated from the connecting block 13, and the retractor 5 can be replaced conveniently.

The working principle is as follows: as shown in fig. 1-3, when using the neurosurgical retractor, firstly, the start motor 8 drives the screw rod 7 to rotate, the screw rod 7 slides along the thread groove 6 when rotating, and then pushes the support rod 2 to move, when the support rod 2 moves, the slide block 10 is pulled to slide along the guide rod 9, at this time, the support rod 2 drives the propeller 3 and the mounting rack 4 to go up and down, so as to adjust the height of the device, then, the threaded rod 12 is rotated, the threaded rod 12 slides along the mounting seat 11, and rotates along the connecting block 13 through the bearing, at this time, the connecting block 13 is pushed to move, the connecting block 13 pulls the guide block 14 to slide along the guide rail 15, so as to push the retractor 5 to move, so as to adjust the position of the retractor 5, and finally, the L21 is pulled to move outwards along the connecting groove 22, at this time, the L-shaped block 21 pulls the T-shaped block 19 to slide outwards along the drawing groove 18, the T-shaped block 19 pulls the spring 20 to expand when sliding, and when one end of the L-shaped block 21 slides out of the connecting groove 22, the retracting hook 5 is pulled to drive the fixing block 16 to be separated from the fixing cylinder 17, so that the retracting hook 5 can be driven to be separated from the connecting block 13, and the retracting hook 5 can be replaced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A neurosurgical retractor, comprising:

the tractor comprises a base (1), wherein a supporting rod (2) is arranged on the base (1), the top end of the supporting rod (2) is connected with a propeller (3), one side of the propeller (3) is connected with an installation frame (4), and one side of the installation frame (4) is provided with a retracting drag hook (5);

thread groove (6) is seted up inside bracing piece (2), through connection has lead screw (7) between thread groove (6) and base (1), install motor (8) between lead screw (7) and base (1), fixedly connected with guide bar (9) on base (1), sliding connection has slider (10) on guide bar (9), slider (10) fixed connection is in bracing piece (2) one side.

2. A neurosurgical retractor according to claim 1, wherein: the support rod (2) and the screw rod (7) form threaded connection through a thread groove (6), and a rotating structure is formed among the base (1), the motor (8) and the screw rod (7).

3. A neurosurgical retractor according to claim 1, wherein: the mounting rack (4) comprises:

mount pad (11), fixed connection be in on mounting bracket (4), threaded connection has threaded rod (12) on mount pad (11), threaded rod (12) one end is connected with connecting block (13) through the bearing, fixedly connected with guide block (14) on connecting block (13), guide block (14) sliding connection is inside guide rail (15), guide rail (15) fixed connection is in connecting block (13) one side.

4. A neurosurgical retractor according to claim 3, wherein: the mounting seat (11), the threaded rod (12), the connecting block (13), the guide block (14) and the guide rail (15) are symmetrically distributed with four groups by taking two as a group about the central line of the base (1), and a rotating structure is formed between the threaded rod (12) and the connecting block (13) through a bearing.

5. A neurosurgical retractor according to claim 3, wherein: the connecting block (13) comprises:

fixed block (16), fixed connection be in connecting block (13) one side, fixed block (16) gomphosis is inside solid fixed cylinder (17), gu fixed cylinder (17) fixed connection is in retractor (5) one side, drawing groove (18) have been seted up to connecting block (13) inside, drawing groove (18) both ends sliding connection has T-shaped piece (19), fixedly connected with spring (20) between T-shaped piece (19), T-shaped piece (19) one end fixedly connected with L-shaped piece (21), gu fixed cylinder (17) and fixed block (16) are inside all seted up spread groove (22), L-shaped piece (21) one end gomphosis is between spread groove (22).

6. A neurosurgical retractor according to claim 5, wherein: the T-shaped blocks (19) form a telescopic structure through springs (20), and the maximum sliding distance of the T-shaped blocks (19) does not exceed the length of the drawing groove (18).