CN215503190U

CN215503190U - Retractor for neurosurgery

Info

Publication number: CN215503190U
Application number: CN202120230729.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Suzhou Tongrun Labor Dispatch Co ltd Xuzhou Branch
Current assignee: Harbin Hongtu Biotechnology Co.,Ltd.
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2022-01-14
Anticipated expiration: 2031-01-27

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a retractor for neurosurgery, which comprises an annular handle, wherein a small protruding block is arranged on the inner side surface of the annular handle, a first bending frame and a third bending frame are respectively arranged on the outer surface of the annular handle, a connecting cylinder is arranged on the inner side surface of the first bending frame, a second fixing screw is arranged on the inner side surface of the connecting cylinder, rotary joints are respectively arranged on the outer surface of the first bending frame and the outer surface of the third bending frame, rotary protrusions are arranged on the inner side surface of the rotary joints, a second bending frame is arranged on the outer surface of the rotary joints, and a retracting end head is arranged on the outer surface of the second bending frame. The small protruding blocks are arranged, so that the fatigue of fingers of a doctor can be relieved, secondary injury or instrument pollution to a patient caused by the instrument falling off the hand can be prevented, the use range of the retractor is expanded by arranging the rotary joints and the rotary protrusions, and the problem of frequent replacement in the operation process is solved.

Description

Retractor for neurosurgery

Technical Field

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

Background

The retractor is also called a drag hook, and is mainly used for retracting tissues to expose a part needing an operation, so that medical observation and operation implementation of the operation are facilitated. The retractors can be divided into two types, namely handheld retractors and automatic retractors, and have specifications of different shapes and sizes, so that a proper retractor can be selected according to specific operation conditions.

There are the following problems:

1. the existing retractor for neurosurgery has the defects that the surface of the holding part of the instrument is smooth and hard, the instrument possibly falls off the hand in the using process, secondary damage is caused to a patient or the instrument is polluted, and in the long-time holding process, the fingers of a doctor can generate uncomfortable symptoms.

2. The opening and closing angle of the existing retractor for neurosurgery is limited by the shape and the size of an instrument, the retractor with different specifications is required to be replaced in the surgery, and the progress of the surgery is interfered and influenced slightly.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a retractor for neurosurgery, which solves the problems that the instrument is easy to get rid of the hand, the fingers are not suitable to be held for a long time and the specification of the retractor is frequently changed.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a retractor for neurosurgery, includes annular handle, annular handle's medial surface is provided with protruding fritter, annular handle's surface is provided with first bending frame and third bending frame respectively, one side of first bending frame is provided with the projecting tooth board, one side of third bending frame is provided with the lock pinion rack, the opposite side of third bending frame is provided with first fixed screw and spacing top piece respectively, the medial surface of first bending frame is provided with connects the drum, the medial surface of connecting the drum is provided with the fixed screw of second, the surface of first bending frame all is provided with the rotation joint with the surface of third bending frame, the medial surface of rotation joint is provided with rotates protrudingly, the surface of rotation joint is provided with the curved frame of second, the surface of the curved frame of second is provided with the end of drawing back.

As a preferred technical scheme of the utility model, the small convex blocks are fixedly connected to the inner side surface of the annular handle in an annular array, and the small convex blocks are made of medical-grade rubber.

As a preferred technical scheme of the present invention, the first bending frame and the third bending frame are both fixedly connected to an outer surface of the annular handle, and the first bending frame and the third bending frame are both made of medical grade stainless steel.

As a preferred technical solution of the present invention, the protruding toothed plate is fixedly connected to one side of the first bending frame, and the tooth locking plate is movably connected to one side of the third bending frame.

As a preferable technical solution of the present invention, the position-limiting top plate is fixedly connected to one side of the third bending frame, and the first fixing screw is screwed to an inner side surface of the position-limiting top plate.

As a preferable embodiment of the present invention, the connection cylinder is rotatably connected to an inner side surface of the first bending frame, and the second fixing screw is threadedly connected to the inner side surface of the connection cylinder.

As a preferable technical solution of the present invention, the rotating joint is rotatably connected to an outer surface of the first bending frame and an outer surface of the third bending frame, respectively, and the rotating protrusion is movably connected to an inner side surface of the rotating joint.

As a preferable technical scheme, the second bending frame is fixedly connected to the outer surface of the rotary joint, and the retracting end head is fixedly connected to the outer surface of the second bending frame.

Compared with the prior art, the utility model provides a retractor for neurosurgery, which has the following beneficial effects:

1. this retractor for neurosurgery through setting up protruding fritter, at the surgery operation in-process, can show the frictional force that increases between main sword doctor's finger and the annular handle, prevents that the apparatus from droing the harm that causes, and medical grade rubber material also can effectively alleviate the fatigue that main sword doctor pointed, increases the comfort level.

2. This retractor for neurosurgery through setting up revolute joint, under the prerequisite of not gripping annular handle, can initiatively adjust the angle that opens and shuts of apparatus, has greatly widened the application range of retractor, has avoided the problem of the frequent change apparatus of operation in-process.

Drawings

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

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of FIG. 1 at B.

In the figure: 1. an annular handle; 2. a first fixing screw; 3. a position-limiting top sheet; 4. a protruding toothed plate; 5. a second fixing screw; 6. a first bending frame; 7. retracting the tip; 8. a second bending frame; 9. a connecting cylinder; 10. a lock toothed plate; 11. a small bump; 12. a revolute joint; 13. rotating the projection; 14. and a third bending frame.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a retractor for neurosurgery, including annular handle 1, the medial surface of annular handle 1 is provided with protruding fritter 11, the surface of annular handle 1 is provided with first bent frame 6 and third bent frame 14 respectively, one side of first bent frame 6 is provided with protruding pinion rack 4, one side of third bent frame 14 is provided with lock pinion rack 10, the opposite side of third bent frame 14 is provided with first fixed screw 2 and spacing top piece 3 respectively, the medial surface of first bent frame 6 is provided with connects drum 9, the medial surface of connecting drum 9 is provided with second fixed screw 5, the surface of first bent frame 6 and the surface of third bent frame 14 all are provided with rotation joint 12, the medial surface of rotation joint 12 is provided with rotates protruding 13, the surface of rotation joint 12 is provided with second bent frame 8, the surface of second bent frame 8 is provided with and leads out end 7.

In this embodiment, the annular handle 1 is used for the doctor to hold with his fingers to perform the surgical operation, the first fixing screw 2 is used for fixing the spacing top plate 3, and the second fixing screw 5 is used for fixing the first bending frame 6 and the third bending frame 14 together.

Specifically, the small protruding blocks 11 are fixedly connected to the inner side surface of the annular handle 1 in an annular array, and the small protruding blocks 11 are made of medical-grade rubber.

In this embodiment, the small protruding blocks 11 are used for increasing the friction between the fingers and the annular handle 1, so as to prevent the appliance from falling off, and the medical grade rubber is clean, sanitary and elastic, so that the fatigue of the fingers can be relieved.

Specifically, the first bending frame 6 and the third bending frame 14 are both fixedly connected to the outer surface of the annular handle 1, and the first bending frame 6 and the third bending frame 14 are both made of medical stainless steel.

In this embodiment, the annular handle 1 plays a role of fixing the first bending frame 6 and the third bending frame 14, and the medical grade stainless steel has high rigidity and a smooth surface, and is easy to clean and sterilize.

Specifically, the latch plate 4 is fixedly connected to one side of the first bending frame 6, and the latch plate 10 is movably connected to one side of the third bending frame 14.

In this embodiment, the protruded tooth plate 4 and the locking tooth plate 10 are used cooperatively, so as to adjust the opening and closing angle of the retractor.

Specifically, the position-limiting top plate 3 is fixedly connected to one side of the third bending frame 14, and the first fixing screw 2 is in threaded connection with the inner side surface of the position-limiting top plate 3.

In this embodiment, the first fixing screw 2 fixes the position-limiting top plate 3 on the first bending frame 6, and the position-limiting top plate 3 is used for fixing the opening size of the retractor to prevent the opening from changing.

Specifically, the connecting cylinder 9 is rotatably connected to the inner side surface of the first bending frame 6, and the second fixing screw 5 is threadedly connected to the inner side surface of the connecting cylinder 9.

In this embodiment, the connecting cylinder 9 is used to connect the first bending frame 6 and the third bending frame 14, and the second fixing screw 5 is used to adjust the opening/closing tightness of the bending frames.

Specifically, the rotating joint 12 is rotatably connected to the outer surface of the first bending frame 6 and the outer surface of the third bending frame 14, and the rotating protrusion 13 is movably connected to the inner side surface of the rotating joint 12.

In this embodiment, the rotation joint 12 connects the first bending frame 6 and the third bending frame 14 to the second bending frame 8, respectively, and the rotation protrusion 13 is used to control the rotation of the second bending frame 8.

Specifically, the second bending frame 8 is fixedly connected to the outer surface of the rotating joint 12, and the retracting end 7 is fixedly connected to the outer surface of the second bending frame 8.

In this embodiment, the retracting tip 7 is used to retract, separate tissue and expand the field of view, and the second curved frame 8 is used to fix the position of the retracting tip 7.

The working principle and the using process of the utility model are as follows: before using the instrument, a main surgeon presses the rotating bulge 13 to adjust the position of the second bending frame 8 according to the actual condition of a patient, so that the opening and closing range of the retractor is suitable for the operation, the problem that retractors of different specifications are frequently replaced in the operation process is avoided, the aim of shortening the operation time is fulfilled, after the position of the second bending frame 8 is adjusted, the rotating bulge 13 is loosened to fix the rotating joint 12, after the steps are completed, the second fixing screw 5 is adjusted, so that the opening and closing tightness of the first bending frame 6 is suitable for the requirements of the main surgeon, after the adjustment of the components is completed, the main surgeon holds the annular handle 1 by hand, puts the retracting end 7 into the skin tissue of the patient, slowly pulls and separates the tissue, enlarges the visual field of the surgeon, and after the retractor is expanded to a proper size, the protruding toothed plate 4 and the locking toothed plate 10 are matched with the limiting top plate 3, the opening size of the retractor can be fixed, then the next medical treatment is carried out, in the whole using process, the small protruding blocks 11 relieve the fatigue of the fingers of a doctor and prevent the falling of instruments.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A retractor for neurosurgery, comprising an annular handle (1), characterized in that: the inner side surface of the annular handle (1) is provided with small protruding blocks (11), the outer surface of the annular handle (1) is provided with a first bending frame (6) and a third bending frame (14) respectively, one side of the first bending frame (6) is provided with a protruding toothed plate (4), one side of the third bending frame (14) is provided with a toothed locking plate (10), the other side of the third bending frame (14) is provided with a first fixed screw (2) and a limiting top plate (3) respectively, the inner side surface of the first bending frame (6) is provided with a connecting cylinder (9), the inner side surface of the connecting cylinder (9) is provided with a second fixed screw (5), the outer surface of the first bending frame (6) and the outer surface of the third bending frame (14) are both provided with rotary joints (12), the inner side surface of the rotary joints (12) is provided with rotary protrusions (13), the outer surface of the rotary joint (12) is provided with a second bending frame (8), and the outer surface of the second bending frame (8) is provided with a retracting end (7).

2. A neurosurgical retractor according to claim 1, wherein: protruding fritter (11) are annular array fixed connection in the medial surface of annular handle (1), the material of protruding fritter (11) is medical grade rubber.

3. A neurosurgical retractor according to claim 1, wherein: first crooked frame (6) and the equal fixed connection in the surface of annular handle (1) of crooked frame (14) of third, the material of first crooked frame (6) and crooked frame (14) of third is medical grade stainless steel.

4. A neurosurgical retractor according to claim 1, wherein: the protruding toothed plate (4) is fixedly connected to one side of the first bending frame (6), and the locking toothed plate (10) is movably connected to one side of the third bending frame (14).

5. A neurosurgical retractor according to claim 1, wherein: spacing top plate (3) fixed connection is in one side of third crooked frame (14), first set screw (2) threaded connection is in the medial surface of spacing top plate (3).

6. A neurosurgical retractor according to claim 1, wherein: the connecting cylinder (9) is rotatably connected to the inner side face of the first bending frame (6), and the second fixing screw (5) is in threaded connection with the inner side face of the connecting cylinder (9).

7. A neurosurgical retractor according to claim 1, wherein: the rotating joint (12) is respectively connected to the outer surface of the first bending frame (6) and the outer surface of the third bending frame (14) in a rotating mode, and the rotating protrusion (13) is movably connected to the inner side face of the rotating joint (12).

8. A neurosurgical retractor according to claim 1, wherein: the second bending frame (8) is fixedly connected to the outer surface of the rotating joint (12), and the retracting end head (7) is fixedly connected to the outer surface of the second bending frame (8).