CN215458271U

CN215458271U - Incision traction device for orthopedic surgery

Info

Publication number: CN215458271U
Application number: CN202120508146.2U
Authority: CN
Inventors: 陈朋
Original assignee: Xuzhou Muyan Muchun Furniture Co ltd
Current assignee: Xuzhou Muyan Muchun Furniture Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2022-01-11
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to the technical field of orthopedic surgery, in particular to a notch traction device for orthopedic surgery, which comprises a fixed semi-ring, a movable semi-ring and a traction block, wherein a screw rod transversely penetrates through the inside of a movable block and is rotatably connected with a shell, a limiting block is fixedly connected at the axis of the screw rod, a second hand wheel is fixedly connected with the outer side of the screw rod, a positioning rod transversely penetrates through the upper part of the second hand wheel, a positioning groove is formed in the outer side of one end, away from the second hand wheel, of the positioning rod, a movable rod is rotatably connected to one side, away from a sliding block, of the movable block, and the traction block is arranged at one end, away from the movable block, of the movable rod; the movable half rings are flexibly adjusted, so that the device is integrally and fixedly arranged on two sides of an injured part in a hand or a foot of a patient, the difficulty of manual fixation is reduced, the use is more convenient, and the stability in the operation process is improved; and the adjustable effect of the traction block is realized, so that the device can be suitable for operations with different incision sizes, and the practicability is stronger.

Description

Incision traction device for orthopedic surgery

Technical Field

The utility model relates to the technical field of orthopedic surgery, in particular to an incision traction device for orthopedic surgery.

Background

Every year, fractures occur in tens of millions for various reasons, and the most common method for treating fracture patients is to reduce and fix the fracture site through orthopedic surgery. When the fracture patient is subjected to surgical reduction, the incision traction device for the orthopedic surgery is one of instruments necessary for doctors;

however, the existing incision traction device for orthopedic surgery needs manual fixation when in incision traction, is inconvenient to use, affects the speed of the incision surgery, and even seriously affects the health and safety of patients; in addition, when the orthopedic surgery is performed, the traction block cannot adjust the position in time according to the actual incision size in the surgery, the application range is limited, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an incision traction device for orthopedic surgery, which solves the problems that the existing incision traction device for orthopedic surgery proposed in the background art needs manual fixation during incision traction, is inconvenient to use, reduces the speed of incision suturing and cannot adjust the position of a traction block in time according to the actual incision size in the surgery during the orthopedic surgery.

In order to achieve the purpose, the utility model provides the following technical scheme: a incision traction device for orthopedic surgery comprises a fixed semi-ring, a movable semi-ring and a traction block, wherein a threaded column is transversely screwed at the axis of the fixed semi-ring, a first hand wheel is fixedly connected at the outer side of the threaded column, the inner side of the threaded column is connected with the movable semi-ring, a compression spring is arranged at the gap between the movable semi-ring and the fixed semi-ring, a connecting rod is hinged above the outer side of the fixed semi-ring, one side of the connecting rod, which is far away from the fixed semi-ring, is hinged with a shell, a strip-shaped groove is formed in the bottom of the shell, a slide rail is fixedly connected at the top of the inner cavity of the shell, a slide block is slidably connected inside the slide rail, a movable block is fixedly connected at the bottom of the slide block, the movable block is clamped and slides with the strip-shaped groove, a screw rod transversely penetrates through the inner part of the movable block, the screw rod is rotatably connected with the shell, and a limit block is fixedly connected at the axis of the screw rod, the outer side of the screw rod is fixedly connected with a second hand wheel, a positioning rod transversely penetrates through the upper portion of the second hand wheel, a positioning groove is formed in the outer side, away from one end of the second hand wheel, of the positioning rod, a movable rod is rotatably connected to one side, away from the sliding block, of the movable block, a reset spring is arranged at a gap between the movable rods, and a traction block is arranged at one end, away from the movable block, of the movable rod.

Preferably, the movable half ring is rotatably connected with the threaded column through a bearing, and the inner side of the movable half ring is provided with a foam anti-skid pad.

Preferably, the surface of the screw rod is provided with two external threads which are arranged in a mirror image mode by taking the limiting block as a central axis, and the external threads are connected with the moving block in a threaded mode.

Preferably, two the movable rod is the setting of fork structure, and the junction between two movable rods rotates through the pivot and connects.

Preferably, the positioning rod is matched with the positioning groove; and one side of the positioning rod, which is far away from the positioning groove, is provided with a pull ring.

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

1. according to the incision traction device for the orthopedic surgery, the two fixed half rings are respectively placed on two sides of an injured part in a hand or a foot of a patient, the threaded column is rotated by grabbing the first hand wheel, the movable half ring is driven to move towards the direction of the patient until the movable half ring is closely attached to the skin of the patient, and the compression spring further enhances the tightness between the movable half ring and the skin of the patient according to the elastic action of the compression spring so as to ensure the integral stability of the device in the surgery process; through the nimble regulation of activity semi-ring to with the device whole fixed mounting in the both sides of injured position in patient's hand or foot, reduce the degree of difficulty that the manpower is fixed, it is more convenient to use, promotes the stability of operation in-process.

2. According to the incision traction device for the orthopedic surgery, the positioning rod is horizontally pulled outwards to be away from the positioning groove, so that a second hand wheel can be grasped, the screw rod is rotated, the two moving blocks are relatively moved under the sliding fit of the sliding rail and the sliding block to drive the two moving rods to rotate, the traction block is adjusted in position according to the actual incision size until the traction block is in close contact with the incision, and meanwhile, the reset spring can further enhance the close contact between the traction block and the incision by utilizing the elastic action of the reset spring and pull and stretch the incision to a suitable surgical range; the adjustable effect of traction block has been realized for the device can be applicable to the operation of different incision sizes, and the practicality is stronger.

Drawings

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

FIG. 2 is a schematic view of the coupling structure of the traction block and the movable rod according to the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

fig. 4 is an enlarged schematic view of the utility model at B in fig. 1.

In the figure: the semi-ring fixing device comprises a fixed semi-ring 1, a movable semi-ring 2, a traction block 3, a threaded column 4, a first hand wheel 5, a compression spring 6, a connecting rod 7, a shell 8, a screw rod 9, a second hand wheel 10, a limiting block 11, a sliding rail 12, a sliding block 13, a moving block 14, a moving rod 15, a positioning rod 16, a positioning groove 17 and a return spring 18.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a incision traction device for orthopedic surgery comprises a fixed semi-ring 1, a movable semi-ring 2 and a traction block 3, wherein a threaded column 4 is transversely screwed at the axis of the fixed semi-ring 1, a first hand wheel 5 is fixedly connected to the outer side of the threaded column 4, the inner side of the threaded column 4 is connected with the movable semi-ring 2, a compression spring 6 is arranged at the gap between the movable semi-ring 2 and the fixed semi-ring 1, a connecting rod 7 is hinged above the outer side of the fixed semi-ring 1, a shell 8 is hinged to one side of the connecting rod 7 away from the fixed semi-ring 1, a strip-shaped groove is formed in the bottom of the shell 8, a slide rail 12 is fixedly connected to the top of the inner cavity of the shell 8, a slide block 13 is slidably connected inside the slide rail 12, a movable block 14 is fixedly connected to the bottom of the slide block 13, the movable block 14 is clamped and slides with the strip-shaped groove, a screw rod 9 transversely penetrates through the inside of the movable block 14, and the screw rod 9 is rotatably connected with the shell 8, the axis of the screw rod 9 is fixedly connected with a limiting block 11, the outer side of the screw rod 9 is fixedly connected with a second hand wheel 10, a positioning rod 16 transversely penetrates through the upper portion of the second hand wheel 10, a positioning groove 17 is formed in the outer side, away from one end of the second hand wheel 10, of the positioning rod 16, one side, away from the sliding block 13, of the moving block 14 is rotatably connected with a moving rod 15, a reset spring 18 is arranged at a gap between the two moving rods 15, and a traction block 3 is arranged at one end, away from the moving block 14, of the moving rod 15.

Further, activity semi-ring 2 passes through the bearing and is connected with 4 rotations of screw post, helps carrying out corresponding regulation fixed position according to the actual dimension size at patient injured position to carry out mechanical fastening effectively to the patient, reduce the fixed degree of difficulty of manpower, and the inboard of activity semi-ring 2 is provided with the cotton slipmat of bubble, reduces the damage risk to the patient, improves the comfort level of fixed in-process.

Further, the surface of screw rod 9 is provided with two external screw threads that use stopper 11 to set up as the axis mirror image, and the external screw thread is connected for the screw thread mode with movable block 14, helps when screw rod 9 takes place to rotate for two movable blocks 14 drive traction block 3 and carry out lateral shifting, thereby adjust the mounted position of traction block 3, so that effectively fix different incision sizes.

Further, two movable rods 15 are the setting of crossing structure, and the junction between two movable rods 15 rotates through the pivot to be connected, helps when two movable rods 15 take place relative rotation to adjust the concrete position of traction block 3 according to notched actual size.

Furthermore, the positioning rod 16 is matched with the positioning groove 17, so that the second hand wheel 10 is limited, and the fixing effect of the traction block 3 on the notch is further enhanced; and one side of the positioning rod 16 far away from the positioning groove 17 is provided with a pull ring, so that medical personnel can conveniently operate the process.

The working principle is as follows:

firstly, two fixed semi-rings 1 are respectively placed on two sides of an injured part in a hand or a foot of a patient, a threaded column 4 is rotated by grabbing a first hand wheel 5 to drive a movable semi-ring 2 to move towards the direction of the patient until the movable semi-ring is closely attached to the skin of the patient, and at the moment, a compression spring 6 further enhances the tightness of the movable semi-ring 2 and the skin of the patient according to the elastic action of the compression spring so as to ensure the integral stability of the device in the operation process; then, in the above process, the change of the positions of the fixed half rings 1 can make the connecting rod 7 rotate until the position of the movable half ring 2 is adjusted, because the positions of the two fixed half rings 1 are not changed, the connecting rod 7 is fixed at a certain position, so as to drive the shell 8 to keep a static state, at this time, the shell 8 is positioned right above the notch, the positioning rod 16 is pulled outwards horizontally to keep away from the positioning groove 17, so as to grasp the second hand wheel 10, so that the screw 9 rotates, the two moving blocks 14 move relatively under the sliding fit of the sliding rail 12 and the sliding block 13, so as to drive the two moving rods 15 to rotate, so that the traction block 3 adjusts the position according to the actual notch size until the traction block is in close contact with the notch, and meanwhile, the reset spring 18 can further enhance the close contact between the traction block 3 and the notch by utilizing the self elastic force, and (5) pulling and expanding the incision to a proper surgical range.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An incision traction device for orthopedic surgery comprises a fixed semi-ring (1), a movable semi-ring (2) and a traction block (3), and is characterized in that a threaded column (4) is transversely screwed at the axis of the fixed semi-ring (1), a first hand wheel (5) is fixedly connected to the outer side of the threaded column (4), the movable semi-ring (2) is connected to the inner side of the threaded column (4), a compression spring (6) is arranged at a gap between the movable semi-ring (2) and the fixed semi-ring (1), a connecting rod (7) is hinged above the outer side of the fixed semi-ring (1), a shell (8) is hinged to one side, away from the fixed semi-ring (1), of the connecting rod (7), a strip-shaped groove is formed in the bottom of the shell (8), a slide rail (12) is fixedly connected to the top of the inner cavity of the shell (8), and a slide block (13) is slidably connected to the inner part of the slide rail (12), the bottom of the sliding block (13) is fixedly connected with a moving block (14), the moving block (14) is clamped with the strip-shaped groove to slide, a screw (9) transversely penetrates through the inside of the moving block (14), the screw rod (9) is rotationally connected with the shell (8), the axis of the screw rod (9) is fixedly connected with a limiting block (11), a second hand wheel (10) is fixedly connected with the outer side of the screw rod (9), a positioning rod (16) transversely penetrates through the upper part of the second hand wheel (10), a positioning groove (17) is arranged on the outer side of one end of the positioning rod (16) far away from the second hand wheel (10), one side of the moving block (14) far away from the sliding block (13) is rotatably connected with a movable rod (15), a return spring (18) is arranged at a gap between the two movable rods (15), one end of the movable rod (15) far away from the moving block (14) is provided with a traction block (3).

2. An orthopedic incision traction device as defined in claim 1, wherein: the movable semi-ring (2) is rotationally connected with the threaded column (4) through a bearing, and a foam anti-skid pad is arranged on the inner side of the movable semi-ring (2).

3. An orthopedic incision traction device as defined in claim 1, wherein: the surface of the screw rod (9) is provided with two external threads which are arranged in a mirror image mode by taking the limiting block (11) as a central axis, and the external threads are connected with the moving block (14) in a threaded mode.

4. An orthopedic incision traction device as defined in claim 1, wherein: two the movable rod (15) is the setting of fork structure, and the junction between two movable rod (15) is rotated through the pivot and is connected.

5. An orthopedic incision traction device as defined in claim 1, wherein: the positioning rod (16) is matched with the positioning groove (17); and a pull ring is arranged on one side of the positioning rod (16) far away from the positioning groove (17).