CN213552023U

CN213552023U - Retractor for neurosurgery

Info

Publication number: CN213552023U
Application number: CN202021714010.9U
Authority: CN
Inventors: 谷可东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-29
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a retractor for neurosurgery relates to retractor technical field. This retractor for neurosurgery, including first holder and second holder, the top of first holder is fixed with the fixed plate, and the guide way has all been seted up to the front and back both ends surface of fixed plate, and movable card foot and L type slider have been cup jointed in proper order from the left hand right side in the surface of fixed plate. This retractor for neurosurgery, at first through drawing first holder and second holder, put into the binding clip of working after roughly confirming patient's wound size, rotatory fastening nut makes the contained angle fastening of first holder and second holder for removing the tighrening ring, organ and tissue around the protection avoid the damage, remove the activity card foot again, the activity card foot drives the fine setting threaded rod and removes, thereby it removes to drive the ejector pad, the ejector pad drives L type slider and removes, L type slider drives the working binding clip again and removes, it makes activity card foot rigidity through holding screw after reacing roughly the position.

Description

Retractor for neurosurgery

Technical Field

The utility model relates to a retractor technical field specifically is a retractor for neurosurgery.

Background

The retractor is also called a draw hook and is used for retracting tissues and exposing the range needing operation, thereby being convenient for exploration and operation, can be divided into two types of hand-held drag hooks and automatic drag hooks, has various specifications of different shapes and sizes, can select proper drag hooks according to the operation requirement, and when the drag hooks are used, the correct hook holding method and the correct using method should be mastered, a saline gauze pad or a wet treatment towel should be padded below the hook, especially, when the abdominal retractor is used, the dressing pad can help to expose the operation field and protect surrounding organs and tissues from being damaged, when the retractor is used, the traction action is soft and hard to avoid over-exertion, the position of the retractor is adjusted in time to achieve the best exposure according to the intention of the operator and the progress of the operation, but in the prior art, because of the instability of the traction angle of the retractor and the inconvenience to the affected part of the patient, the secondary injury is easily caused to the affected part of the patient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a retractor for neurosurgery, in the use, through the controllable accurate with the fine setting of two binding clip lead out the distance to and strengthened the stability that handheld drag hook led out the angle, very big has alleviateed the secondary damage of retractor to the patient affected part.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a retractor for neurosurgery comprises a first clamp frame and a second clamp frame, wherein a fixed plate is fixed at the top end of the first clamp frame, guide grooves are formed in the surfaces of the front end and the rear end of the fixed plate, a movable clamping pin and an L-shaped sliding block are sequentially sleeved on the surface of the fixed plate from left to right, the movable clamping pin and the L-shaped sliding block are both connected to the inner wall of each guide groove in a sliding mode, a push block is fixed at the bottom end of each L-shaped sliding block, a fine adjustment threaded rod is fixed at the center position of the right end of each push block, one end of each fine adjustment threaded rod movably penetrates through the left side and the right side of each movable clamping pin and extends to the outer side of each movable clamping pin, an adjusting nut is connected to the surface of each fine adjustment threaded rod and is located between the two sides of the bottom end of each movable clamping pin, a threaded hole is formed in the center position of the top of each movable clamping pin, a, and a working tong head is fixed at the left end of the L-shaped sliding block.

In order to make the pull distance of retractor can fix, conduct the utility model relates to a retractor for neurosurgery is preferred, the inboard of second holder has the threaded rod through hinge activity hinge joint, and the one end activity of threaded rod runs through first holder and extends to its outside, fastening nut and tighrening ring have been cup jointed in proper order from the left hand right side in the surface of threaded rod, and fastening nut and threaded rod threaded connection, fastening nut and tighrening ring all are located between first holder and the second holder.

In order to make the retractor control the traction distance through angle adjustment, as the utility model relates to a retractor for neurosurgery is preferred, first holder and second holder cross arrangement, and first holder and second holder rotate through the pivot and connect.

Can take off the hand to place after adjusting in order to make the retractor, conduct the utility model relates to a neurosurgery is with retractor is preferred, one side external fixation of first tong frame has a stopper, and the surface of stopper has seted up the arc wall, the inside of stopper articulates through the hank axle activity has the bracing piece, and bracing piece sliding connection is at the inner wall of arc wall.

In order to control the moving distance between the movable clamping leg and the L-shaped sliding block, the retractor for neurosurgery of the utility model is preferred, and the length of the guide groove in the horizontal direction is smaller than that of the fixed plate.

In order to facilitate the use of the retractor, the bottom ends of the first and second forceps frames are fixed with finger rings, and the inner sides of the finger rings are provided with non-slip mats.

The utility model provides a retractor for neurosurgery. The method has the following beneficial effects:

this retractor for neurosurgery, at first through drawing first holder and second holder, put into the binding clip with work after roughly confirming patient's wound size, rotatory fastening nut makes the contained angle fastening of first holder and second holder for removing the tighrening ring, organ and tissue avoid the damage around the protection, remove the activity card foot again, the activity card foot drives the fine setting threaded rod and removes, thereby it removes to drive the ejector pad, the ejector pad drives L type slider and removes, L type slider drives the work binding clip again and removes, it makes activity card foot rigidity through stop screw to reach behind roughly the position, it is rotatory through adjusting nut, it removes to drive the fine setting threaded rod, thereby make the position of work binding clip reach more accurate adjustment through the fine setting, conveniently observe the position that the patient need operate, the secondary damage of equipment to the affected part has also greatly been alleviateed.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

fig. 3 is a right side view of the present invention.

In the figure: 1. a working tong head; 2. a fixing plate; 3. a guide groove; 4. a first caliper frame; 5. fastening a nut; 6. a fastening ring; 7. a second caliper frame; 8. a threaded rod; 9. a push block; 10. adjusting the nut; 11. finely adjusting the threaded rod; 12. a movable clamping pin; 13. a brake screw; 14. an L-shaped slider; 15. a limiting block; 16. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a retractor for neurosurgery comprises a first clamp frame 4 and a second clamp frame 7, wherein a fixed plate 2 is fixed at the top end of the first clamp frame 4, guide grooves 3 are formed in the front end surface and the rear end surface of the fixed plate 2, a movable clamping pin 12 and an L-shaped sliding block 14 are sequentially sleeved on the surface of the fixed plate 2 from left to right, the movable clamping pin 12 and the L-shaped sliding block 14 are both connected to the inner wall of the guide groove 3 in a sliding manner, a push block 9 is fixed at the bottom end of the L-shaped sliding block 14, a fine adjustment threaded rod 11 is fixed at the center position of the right end of the push block 9, one end of the fine adjustment threaded rod 11 movably penetrates through the left side and the right side of the movable clamping pin 12 and extends to the outer side of the movable clamping pin, an adjusting nut 10 is connected to the surface of the fine adjustment threaded rod 11 through threads, the adjusting nut 10 is located between the two sides of the bottom end of the, one end of the brake screw 13 movably penetrates through the movable clamping leg 12 and extends to the inner side of the movable clamping leg, and the left end of the L-shaped sliding block 14 is fixedly provided with the working tong head 1.

In this embodiment: a fixed plate 2 is fixed at the top end of a first clamp frame 4, guide grooves 3 are respectively formed in the front end surface and the rear end surface of the fixed plate 2, a movable clamping pin 12 and an L-shaped sliding block 14 are sequentially sleeved on the surface of the fixed plate 2 from left to right, the movable clamping pin 12 and the L-shaped sliding block 14 are both connected to the inner wall of the guide grooves 3 in a sliding mode, so that the movable clamping pin 12 and the L-shaped sliding block 14 are limited to move in the length of the guide grooves 3, a push block 9 is fixed at the bottom end of the L-shaped sliding block 14, a fine adjustment threaded rod 11 is fixed at the center position of the right end of the push block 9, one end of the fine adjustment threaded rod 11 movably penetrates through the left side and the right side of the movable clamping pin 12 and extends to the outer side of the movable clamping pin, an adjusting nut 10 is connected to the surface thread of the fine adjustment threaded rod 11, the adjusting nut 10, ejector pad 9 drives L type slider 14 and removes, rethread adjusting nut 10 rotates on fine setting threaded rod 11 surface, drive fine setting movement about fine setting threaded rod 11, thereby reach accurate shift position, the top central point of activity card foot 12 puts and sets up threaded hole, and the inner wall threaded connection of threaded hole has brake screw 13, the one end activity of brake screw 13 runs through activity card foot 12 and extends to its inboard, it makes it fixed through brake screw 13 when confirming activity card foot 12 moves approximate position, can't continue to move, L type slider 14's left end is fixed with work binding clip 1, make L type slider 14 through the position of mobile control work binding clip 1.

Specifically, the inner side of the second clamp frame 7 is movably hinged with a threaded rod 8 through a hinge shaft, one end of the threaded rod 8 movably penetrates through the first clamp frame 4 and extends to the outer side of the first clamp frame, a fastening nut 5 and a fastening ring 6 are sequentially sleeved on the surface of the threaded rod 8 from left to right, the fastening nut 5 is in threaded connection with the threaded rod 8, and the fastening nut 5 and the fastening ring 6 are both located between the first clamp frame 4 and the second clamp frame 7.

In this embodiment: the inboard of second holder 7 articulates through the hinge activity has threaded rod 8, and the one end activity of threaded rod 8 runs through first holder 4 and extends to its outside, make threaded rod 8 can rotate at will in the inboard of second holder 7, threaded rod 8 also can not receive the restriction when the contained angle of second holder 7 and first holder 4 transform, fastening nut 5 and tighrening ring 6 have been cup jointed in proper order from the left hand right side in the surface of threaded rod 8, and fastening

nut

5 and 8 threaded connection of threaded rod, fastening nut 5 and tighrening ring 6 all are located between first holder 4 and second holder 7, rotatory fastening nut 5 when the angle of pulling of second holder 7 and first holder 4 is confirmed, make the contained angle position fastening of second holder 7 and first holder 4 through tighrening ring 6.

Specifically, the first clamp frame 4 and the second clamp frame 7 are arranged in a crossed manner, and the first clamp frame 4 and the second clamp frame 7 are rotatably connected through a rotating shaft.

In this embodiment: the first clamp frame 4 and the second clamp frame 7 are arranged in a crossed mode, and the first clamp frame 4 and the second clamp frame 7 are connected in a rotating mode through a rotating shaft, so that the first clamp frame 4 and the second clamp frame 7 rotate through the rotating shaft.

Specifically, one side of first tong frame 4 outer fixed surface has stopper 15, and the arc wall has been seted up on stopper 15's surface, and stopper 15's inside articulates through the hinge activity has bracing piece 16, and bracing piece 16 sliding connection is at the inner wall of arc wall.

In this embodiment: one side surface mounting of first tong frame 4 has stopper 15, and the arc wall has been seted up on stopper 15's surface, and the inside of stopper 15 articulates through the hank axle activity has bracing piece 16, and bracing piece 16 sliding connection is at the inner wall of arc wall, dials the bracing piece 16 and makes the retractor place in work unit department by arbitrary angle, liberates both hands.

Specifically, the horizontal length of the guide groove 3 is smaller than the horizontal length of the fixed plate 2.

In this embodiment: the length of the guide groove 3 in the horizontal direction is smaller than that of the fixed plate 2, so that the movable clamping leg 12 and the L-shaped sliding block 14 cannot fall off from the fixed plate 2.

Specifically, the bottom ends of the first forceps frame 4 and the second forceps frame 7 are respectively fixed with a finger ring, and the inner sides of the finger rings are respectively provided with an anti-slip pad.

In this embodiment: the bottom ends of the first forceps frame 4 and the second forceps frame 7 are respectively fixed with a ring, the inner sides of the rings are respectively provided with an anti-slip pad, and the first forceps frame 4 and the second forceps frame 7 can be conveniently controlled through the rings.

When in use, the first forceps frame 4 and the second forceps frame 7 are pulled, the working forceps head 1 is put in after the size of the wound of a patient is roughly determined, the fastening nut 5 is rotated to move the fastening ring 6 so as to fasten the included angle between the first forceps frame 4 and the second forceps frame 7 and protect surrounding organs and tissues from being damaged, the movable clamping foot 12 is moved, the movable clamping foot 12 drives the fine adjustment threaded rod 11 to move, thereby driving the pushing block 9 to move, the pushing block 9 driving the L-shaped slide block 14 to move, the L-shaped slide block 14 driving the working tong head 1 to move, after reaching the approximate position, the movable clamping foot 12 is fixed by the brake screw 13, it is rotatory through adjusting nut 10, drive fine setting threaded rod 11 and remove to make the position of work binding clip 1 reach more accurate adjustment through the fine setting, conveniently observe the position that the patient need operate, also greatly alleviateed the secondary damage of equipment to the affected part.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A retractor for neurosurgery, comprising a first jaw frame (4) and a second jaw frame (7), characterized in that: the top end of the first clamp frame (4) is fixed with a fixed plate (2), the surfaces of the front end and the rear end of the fixed plate (2) are respectively provided with a guide groove (3), the surface of the fixed plate (2) is sequentially sleeved with a movable clamping pin (12) and an L-shaped sliding block (14) from left to right, the movable clamping pin (12) and the L-shaped sliding block (14) are respectively connected to the inner wall of the guide groove (3) in a sliding manner, the bottom end of the L-shaped sliding block (14) is fixed with a push block (9), the right end center position of the push block (9) is fixed with a fine adjustment threaded rod (11), one end of the fine adjustment threaded rod (11) movably penetrates through the left side and the right side of the movable clamping pin (12) and extends to the outer side of the movable clamping pin, the surface thread of the fine adjustment threaded rod (11) is connected with an adjusting nut (10), the adjusting nut (10) is positioned between the two sides of the bottom, and the inner wall of the threaded hole is in threaded connection with a brake screw (13), one end of the brake screw (13) movably penetrates through the movable clamping pin (12) and extends to the inner side of the movable clamping pin, and the left end of the L-shaped sliding block (14) is fixedly provided with a working tong head (1).

2. A neurosurgical retractor according to claim 1, wherein: the inboard of second tong frame (7) has threaded rod (8) through hinge activity hinge joint, and the one end activity of threaded rod (8) runs through first tong frame (4) and extends to its outside, fastening nut (5) and tighrening ring (6) have been cup jointed in proper order from the left hand right side in the surface of threaded rod (8), and fastening nut (5) and threaded rod (8) threaded connection, fastening nut (5) and tighrening ring (6) all are located between first tong frame (4) and second tong frame (7).

3. A neurosurgical retractor according to claim 1, wherein: the first clamp frame (4) and the second clamp frame (7) are arranged in a crossed mode, and the first clamp frame (4) is rotatably connected with the second clamp frame (7) through a rotating shaft.

4. A neurosurgical retractor according to claim 1, wherein: the outer fixed stopper (15) of one side surface of first tong frame (4), and the arc wall has been seted up on the surface of stopper (15), the inside of stopper (15) articulates through the hinge activity has bracing piece (16), and bracing piece (16) sliding connection is at the inner wall of arc wall.

5. A neurosurgical retractor according to claim 1, wherein: the length of the guide groove (3) in the horizontal direction is smaller than that of the fixing plate (2).

6. A neurosurgical retractor according to claim 1, wherein: the bottom ends of the first clamp frame (4) and the second clamp frame (7) are respectively fixed with a ring, and the inner sides of the rings are respectively provided with an anti-skid pad.