CN215458278U

CN215458278U - Circular universal automatic retractor device for surgical operation

Info

Publication number: CN215458278U
Application number: CN202121166453.3U
Authority: CN
Inventors: 许锋; 刘洋
Original assignee: Wuhan Fifth Hospital
Current assignee: Wuhan Fifth Hospital
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-11
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a circular universal automatic retractor device for surgical operation, which comprises a circular ring with a closable notch, a movable block fixed on the circular ring and a plurality of retractor heads for pulling wounds open from inside to outside, wherein one end of a unidirectional rack is connected with the retractor heads, the unidirectional rack penetrates through the movable block, an upper end matching hole is formed between the movable block and the unidirectional rack, a lower end fixing hole is formed in the lower half part of the movable block, a fixing screw is arranged at the front end of the lower end fixing hole, a button is arranged inside the movable block, the button is connected with the movable block through a fixing pin, a lock catch is arranged between the fixing pin and the unidirectional rack, and a reset spring is arranged between the upper end surface of the button and the movable block. The utility model can be used for hip joint replacement of orthopedics department, degenerative spinal disease incision operation, general surgery abdominal operation and the like to automatically pull open the operation incision, thereby reducing the operation intensity of medical staff, improving the operation efficiency and reducing unnecessary injury of patients.

Description

Circular universal automatic retractor device for surgical operation

Technical Field

The utility model relates to the field of surgical operations, in particular to a circular universal automatic retractor device for surgical operations.

Background

The surgery is called as operation, commonly known as open surgery, and refers to a treatment process of entering human body or other biological tissues through surgical equipment or surgical instruments and operated by surgeons or other professionals to remove pathological changes, change structures or implant foreign objects by means of external force.

In hospitals, general surgeons use a retractor to draw an operation incision in order to fully expose an operation visual field and facilitate operation when performing operations on patients; the general operation drag hook is multipurpose manual traction, the structure of the general operation drag hook comprises a single drag hook head and a drag hook arm, the drag hook head is fixed, the drag hook arm can not stretch, however, under many conditions, the operation incision is large, the hand part is special, the drag hook device can not meet the operation requirement, the workload of medical staff is increased, and the treatment effect of the operation is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems by providing a circular universal surgical automatic retractor device.

The utility model realizes the purpose through the following technical scheme:

the utility model discloses a circular universal automatic retractor device for surgical operation, which comprises a circular ring with a closable gap, a movable block fixed on the circular ring, a retractor head used for opening wound, and a unidirectional rack used for unidirectional sliding, wherein one end of the unidirectional rack is connected with the retractor head, the unidirectional rack passes through the movable block, an upper end matching hole is arranged between the movable block and the unidirectional rack, a lower end fixing hole is arranged at the lower half part of the movable block, a fixing screw is arranged at the front end of the lower end fixing hole, a button is arranged inside the movable block, the button is connected with the movable block through a fixing pin, a lock catch is arranged between the fixing pin and the unidirectional rack, a reset spring is arranged between the upper end surface of the button and the movable block, and the circular ring is provided with the closable gap;

preferably: and a groove is formed in the position, located on the reset spring, of the button, and the reset spring is placed in the groove.

So set up, reset spring is used for making the hasp obtains the screens ability to make the hasp can cooperate one-way rack locking.

Preferably: the button and the lock catch are integrated, and the lock catch is matched with the tooth block on the unidirectional rack.

So set up, the button is used for pulling the hasp to carry out locking and release.

Preferably: the draw hook head passes through the screw connection one-way rack, the draw hook head is provided with a lot of specifications, like the different degree of depth, the drag hook of different width, designs the matching as required.

So set up, the hook drawing head is used for pulling open the operation incision.

Preferably: the fixing screw is connected with the moving block through threads.

So set up, set screw with the movable block cooperation locking outside ring provides effectual traction force and holding power.

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

can be used for orthopedic hip joint replacement, spine degenerative lesion incision operation, general surgery laparotomy operation and the like to automatically pull open an operation incision. The operation intensity of medical staff is reduced, the operation efficiency is improved, and unnecessary injury of a patient is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall configuration of a universal circular surgical retractor device according to the present invention;

FIG. 2 is a schematic view of the circular universal surgical retractor device of the present invention;

FIG. 3 is a front view of the circular universal surgical retractor device of the present invention;

FIG. 4 is a schematic view of a locking structure of the circular universal surgical automatic retractor device of the present invention;

FIG. 5 is a schematic view of the internal structure of the moving block of the circular universal surgical automatic retractor device of the present invention;

fig. 6 is a schematic structural view of the circular universal surgical automatic retractor device of the utility model at the circular gap.

The reference numerals are explained below:

1. a unidirectional rack; 2. pulling the hook head; 3. a moving block; 4. a button; 5. the upper end is matched with the hole; 6. a lower end fixing hole; 7. a set screw; 8. locking; 9. a fixing pin; 10. a return spring; 11. a circular ring; 12. the gap can be closed.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1-6, a circular universal automatic retractor device for surgical operation, including a circular ring 11 with a closable notch 12, a moving block 3 fixed on the circular ring 11, a retractor head 2 for pulling open a wound, and a unidirectional rack 1 for unidirectional sliding, one end of the unidirectional rack 1 is connected with the retractor head 2, the unidirectional rack 1 passes through the moving block 3, an upper end matching hole 5 is arranged between the moving block 3 and the unidirectional rack 1, a lower end fixing hole 6 is arranged on the lower half portion of the moving block 3, a fixing screw 7 is arranged at the front end of the lower end fixing hole 6, a button 4 is arranged inside the moving block 3, the button 4 is connected with the moving block 3 through a fixing pin 9, a lock catch 8 is arranged between the fixing pin 9 and the unidirectional rack 1, a reset spring 10 is arranged between the upper end surface of the button 4 and the moving block 3, and the closable notch 12 is arranged on the circular ring 11.

Preferably: a groove is formed in the button 4 at the position of the return spring 10, the return spring 10 is placed in the groove, and the return spring 10 is used for enabling the lock catch 8 to obtain the clamping capacity, so that the lock catch 8 can be matched with the one-way rack 1 for locking; the button 4 and the lock catch 8 are integrated, the lock catch 8 is matched with a tooth block on the unidirectional rack 1, and the button 4 is used for pulling the lock catch 8 so as to lock and release; the draw hook head 2 is connected with the unidirectional rack 1 through a screw, the draw hook head 2 can be provided with various specifications, such as draw hooks with different depths and different widths, and the draw hook head 2 is designed and matched as required and used for drawing open an operation incision; the fixing screw 7 is connected with the moving block 3 through threads, and the fixing screw 7 and the moving block 3 are matched to lock the outer circular ring, so that effective traction force and supporting force are provided.

The working principle is as follows: pass lower extreme fixed orifices 6 with outside ring, utilize set screw 7 to fix, place drag hook head 2 in operation incision department, stimulate one-way rack 1 for drag hook head 2 stimulates the operation incision, make the incision strut, when one-way rack 1 moved on movable block 3, tooth piece on 8 cooperation one-way rack 1 of hasp, make one-way rack 1 and drag hook head 2 can not be pulled back, thereby guarantee the supporting effect.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a circular universal automatic drag hook device of surgery operation which characterized in that: the wound-pulling device comprises a circular ring (11) with a closable notch (12), a moving block (3) fixed on the circular ring (11), a pulling hook head (2) used for pulling a wound open and a one-way rack (1) used for one-way sliding, wherein one end of the one-way rack (1) is connected with the pulling hook head (2), the one-way rack (1) penetrates through the moving block (3), an upper end matching hole (5) is formed between the moving block (3) and the one-way rack (1), a lower end fixing hole (6) is formed in the lower half portion of the moving block (3), a fixing screw (7) is arranged at the front end of the lower end fixing hole (6), a button (4) is installed inside the moving block (3), the button (4) is connected with the moving block (3) through a fixing pin (9), and a lock catch (8) is arranged between the fixing pin (9) and the one-way rack (1), a return spring (10) is arranged between the upper end surface of the button (4) and the moving block (3), and the ring (11) is provided with the closable notch (12).

2. The circular universal surgical automatic retractor device of claim 1 further comprising: a groove is formed in the position, located on the reset spring (10), of the button (4), and the reset spring (10) is placed in the groove.

3. The circular universal surgical automatic retractor device of claim 1 further comprising: the button (4) and the lock catch (8) are integrated, and the lock catch (8) is matched with a tooth block on the unidirectional rack (1).

4. The circular universal surgical automatic retractor device of claim 1 further comprising: the draw hook head (2) is connected with the unidirectional rack (1) through a screw.

5. The circular universal surgical automatic retractor device of claim 1 further comprising: the fixing screw (7) is connected with the moving block (3) through threads.