CN213883333U

CN213883333U - Surgery retractor for hepatobiliary surgery

Info

Publication number: CN213883333U
Application number: CN202022243908.9U
Authority: CN
Inventors: 李斌; 梁艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-08-06
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to the field of medical equipment, in particular to an operation retractor for hepatobiliary surgery, which comprises a plurality of groups of retractor mechanisms which are mutually symmetrical and can be disassembled at the side of an operation table, wherein each retractor mechanism comprises a concave frame, a shaft lever rotationally connected to the middle part of the upper side of the concave frame, a first support fixedly connected to the top end of the shaft lever, a second support connected to the top end of the first support through a first screw rod, a third support connected to the top end of the second support through a second screw rod and an arc-shaped frame fixedly connected to the top end of the third support through a connecting frame; the utility model discloses simple structure not only uses, is convenient for adjust the device's use angle moreover, can select two sets of drag hook mechanism bearing-error symmetries to fix at the operating table avris according to operation tractive requirement and required operation region that exposes simultaneously, perhaps selects four groups of drag hook mechanism bearing-error symmetries to fix at the operating table avris, effectively reduces blockking of the device to the operation, and then the medical personnel of being convenient for operate.

Description

Surgery retractor for hepatobiliary surgery

Technical Field

The utility model relates to the field of medical equipment, concretely relates to surgery retractor for hepatobiliary surgery.

Background

With the continuous improvement of the living standard at present, the treatment level of some surgical diseases is also continuously improved, liver and gall surgery mainly researches acute liver failure caused by hepatocellular carcinoma, hepatobiliary calculus, posthepatitic cirrhosis and severe hepatitis, and is a major disease seriously threatening the health of Chinese people.

At present, chinese patent No. 201920401528.8 discloses an operation retractor for hepatobiliary surgery, which comprises a ring rail, wherein the upper side of the ring rail is slidably connected with a clamping seat, the upper surface of the clamping seat is fixed with a clamping shaft, the clamping shaft is inserted into a clamping hole at the inner side end of the lower surface of the clamping seat, a pull rod is arranged in a horizontal groove in the middle of the clamping seat, the pull rod is an L-shaped rod, and the lower end of the vertical part of the pull rod is fixed with a hook; the device supports through the base, guarantee holistic stability, through the screw rod can be adjusted the height of ring rail and crotch promptly, be applicable to the operation patient of different physiques, make the degree of depth of crotch can control simultaneously, the pull rod can slide on the ring rail along with cassette and holder, be applicable to not equidirectional pulling, the pull rod can rotate on the holder along with the cassette simultaneously, be convenient for adjust the atress direction of pulling the position, avoid the strain of fragile tissue, the horizontal position of pull rod can be adjusted, be applicable to the operation of different wound sizes.

However, the following defects and shortcomings exist in the application process:

the device is positioned right above the operation part, and certain blockage is caused to the operation, so that the operation is inconvenient for medical personnel to perform.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the above-mentioned shortcoming that prior art exists, the utility model provides a hepatobiliary surgery is with operation drag hook can solve prior art effectively and be located the operation position directly over, causes certain the blockking to the operation to the problem of the medical personnel of being not convenient for operation.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an operation retractor for hepatobiliary surgery comprises a plurality of groups of retractor mechanisms which are mutually symmetrical and can be disassembled at the side of an operation table, each retractor mechanism comprises a concave frame, a shaft rod which is rotatably connected to the middle part of the upper side of the concave frame, a first support which is fixedly connected to the top end of the shaft rod, a second support which is connected to the top end of the first support through a first screw rod, a third support which is connected to the top end of the second support through a second screw rod, and an arc-shaped frame which is fixedly connected to the top end of the third support through a connecting frame, the upper side of the concave frame is fixedly connected with a limiting pipe which is coaxial with the shaft rod, the upper end of the limiting pipe is provided with a gear ring, the shaft rod is positioned in the limiting pipe, a plurality of groups of sliding grooves are uniformly arranged on the circumferential side wall of the shaft rod, sliding strips are all slidably connected in the sliding grooves, the bottom ends of the sliding strips are fixedly connected with gears which are meshed with the gear ring, a spring is connected between the bottom side of the gear and the concave frame, and the top ends of the sliding strips are fixedly connected with a knob, a plurality of groups of double hook frames are evenly hung on the arc frame.

Furthermore, a third screw penetrates through the bottom of the concave frame, and the top end of the third screw is positioned in the concave frame and is rotationally connected with a fixed disc; when the concave frame is clamped on the side of the operating table, the third screw rod can be rotated, so that the fixed disc is tightly attached to the side of the operating table, the concave frame is fixedly connected to the side of the operating table, and the stability of the concave frame on the side of the operating table is improved.

Furthermore, a first notch is formed in the top of the first support, two ends of the first screw respectively penetrate through the first notch in a threaded manner, and the first screw is fixedly connected with the bottom of the second support; through rotating first screw rod, drive the second support and rotate for first support to adjust the angle between second support and the first support.

Furthermore, a second notch is formed in the top of the second support, two ends of the second screw respectively penetrate through the second notch in a threaded manner, and the second screw is fixedly connected with the bottom of the third support; and the third support is driven to rotate relative to the second support by rotating the second screw rod, so that the distance between the third support and the second support is adjusted.

Furthermore, a plurality of groups of hanging grooves hung with the double-hook frame are uniformly formed on the arc-shaped frame; through setting up a plurality of groups and hanging the groove, can select the corresponding groove that articulates to articulate double hook frame according to the operation demand, improve the stability to patient's skin tractive.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model discloses simple structure not only uses, is convenient for adjust the device's use angle moreover, can select two sets of drag hook mechanism bearing-error symmetries to fix at the operating table avris according to operation tractive requirement and required operation region that exposes simultaneously, perhaps selects four groups of drag hook mechanism bearing-error symmetries to fix at the operating table avris, effectively reduces blockking of the device to the operation, and then the medical personnel of being convenient for operate.

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. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural view of the retractor mechanism of the present invention;

FIG. 2 is a schematic cross-sectional view of a portion of the retractor mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is a schematic view of the double hook rack structure of the present invention;

FIG. 5 is a schematic view of the two groups of hook mechanisms of the present invention in a use state;

FIG. 6 is a schematic view of the structure of the four groups of drag hook mechanisms of the present invention in use;

the reference numerals in the drawings denote: 1-a concave frame; 2-shaft lever; 3-a first scaffold; 4-a first screw; 5-a second support; 6-a second screw; 7-a third scaffold; 8-a connecting frame; 9-an arc-shaped frame; 10-a limiting pipe; 11-a gear ring; 12-a chute; 13-a slider; 14-a gear; 15-a spring; 16-a knob; 17-double hook rack; 18-a third screw; 19-fixing the disc; 20-hanging and connecting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The surgical retractor for hepatobiliary surgery of the embodiment is shown in fig. 1 to 6: comprises a plurality of groups of mutually symmetrical drag hook mechanisms which can be disassembled at the side of an operating table, the drag hook mechanism comprises a concave frame 1, a shaft lever 2 which is rotatably connected at the middle part of the upper side of the concave frame 1, a first support 3 which is fixedly connected at the top end of the shaft lever 2, a second support 5 which is connected at the top end of the first support 3 through a first screw 4, a third support 7 which is connected at the top end of the second support 5 through a second screw 6 and an arc-shaped frame 9 which is fixedly connected at the top end of the third support 7 through a connecting frame 8, the upper side of the concave frame 1 is fixedly connected with a limiting pipe 10 which is coaxial with the shaft lever 2, the upper end of the limiting pipe 10 is provided with a gear ring 11, the shaft lever 2 is positioned in the limiting pipe 10, a plurality of groups of sliding grooves 12 are uniformly arranged on the circumferential side wall of the shaft lever 2, sliding strips 13 are all connected in the sliding grooves 12 in a sliding way, the bottom ends of the sliding strips 13 are fixedly connected with a gear 14 which is meshed with the gear ring 11, and a spring 15 is connected between the bottom side of the gear 14 and the concave frame 1, the top end of the slide bar 13 is fixedly connected with a knob 16, and a plurality of groups of double-hook frames 17 are evenly hung on the arc-shaped frame 9.

Wherein, the bottom of the concave frame 1 is threaded with a third screw 18, the top end of the third screw 18 is positioned in the concave frame 1 and is rotationally connected with a fixed disc 19; when the concave frame 1 is clamped at the side of the operating table, the third screw rod 18 can be rotated, so that the fixed disc 19 is tightly attached to the side of the operating table, the concave frame 1 is fixedly connected to the side of the operating table, and the stability of the concave frame 1 at the side of the operating table is improved.

The top of the first support 3 is provided with a first notch, two ends of the first screw rod 4 respectively penetrate through the first notch in a threaded manner, and the first screw rod 4 is fixedly connected with the bottom of the second support 5; by rotating the first screw rod 4, the second bracket 5 is driven to rotate relative to the first bracket 3, so that the angle between the second bracket 5 and the first bracket 3 is adjusted.

The top of the second support 5 is provided with a second notch, two ends of the second screw rod 6 respectively penetrate through the second notch in a threaded manner, and the second screw rod 6 is fixedly connected with the bottom of the third support 7; the third bracket 7 is driven to rotate relative to the second bracket 5 by rotating the second screw 6, so that the distance between the third bracket 7 and the second bracket 5 is adjusted.

Wherein, a plurality of groups of hanging grooves 20 which are hung with the double-hook frame 17 are evenly arranged on the arc frame 9; through setting up a plurality of groups and hanging groove 20, can be according to the operation demand, select the hook groove 20 that corresponds and articulate double hook frame 17, improve the stability to patient's skin tractive.

The working principle is as follows: firstly clamping the concave frame 1 on the side of an operating table, then pressing a knob 16 downwards, driving a gear 14 to move downwards through a slide bar 13, so that the gear 14 is separated from a gear ring 11, and a spring 15 is compressed, at the moment, the rotation of a shaft rod 2 can be realized through the knob 16, so that the angle between the arc-shaped frame 9 and the concave frame 1 can be adjusted, then loosening the knob 16, driving the gear 14 to move upwards under the elastic resetting action of the spring 15, and enabling the gear 14 to be meshed with the gear ring 11, so that the rotation of the gear 14 is limited, further the rotation of the gear 14 is limited, and the shaft rod 2 is fixedly connected with the concave frame 1; the first screw rod 4 and the second screw rod 6 are respectively rotated, the angle between the second support 5 and the first support 3 is respectively adjusted, the angle between the third support 7 and the second support 5 is adjusted to a proper area above an operating table, the arc-shaped frame 9 is prevented from blocking the operation of a doctor, then, one end of the double hook frame 17 is hooked on the skin of a patient, the other end of the double hook frame 17 is hooked by selecting the corresponding hooking groove 20 according to the operation requirement, the skin of the patient is pulled open, meanwhile, through the double-hook design of the double hook frame 17, any one end of the double hook frame 17 can be used at will, the double hook frame 17 can be conveniently used, and the double hook frame 17 can be conveniently detached.

When the device is used, two groups of drag hook mechanisms are obliquely and symmetrically fixed on the side of an operating table (as shown in figure 5) or four groups of drag hook mechanisms are obliquely and mutually symmetrically fixed on the side of the operating table (as shown in figure 6) according to the operation traction requirement and the operation area required to be exposed, the shaft lever 2 is rotated to turn the arc-shaped frame 9 to the side of the operation area, the angle between the second support 5 and the first support 3 and the angle between the third support 7 and the second support 5 are respectively adjusted, the arc-shaped frame 9 is adjusted to a proper area above the operating table, namely the use angle of the device is adjusted, and finally the skin of a patient is pulled open through the double hook frames 17; thereby medical personnel can be located the operating table avris and lie in patient operation position avris, and patient operation position upside does not have and shelters from, and then the going on of being convenient for perform the operation.

The device simple structure not only uses, is convenient for adjust the device's use angle moreover, can select two sets of drag hook mechanism skew symmetries to fix at the operating table avris according to operation tractive requirement and required operation region that exposes simultaneously, perhaps selects four groups of drag hook mechanism skew mutual symmetries to fix at the operating table avris, effectively reduces blockking of the device to the operation, and then the medical personnel of being convenient for carry out the operation.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A surgical retractor for hepatobiliary surgery is characterized in that: comprises a plurality of groups of mutually symmetrical drag hook mechanisms which can be disassembled at the side of an operating table, the drag hook mechanisms comprise a concave frame (1), a shaft lever (2) rotationally connected at the middle part of the upper side of the concave frame (1), a first support (3) fixedly connected at the top end of the shaft lever (2), a second support (5) connected at the top end of the first support (3) through a first screw (4), a third support (7) connected at the top end of the second support (5) through a second screw (6), and an arc-shaped frame (9) fixedly connected at the top end of the third support (7) through a connecting frame (8), the upper side of the concave frame (1) is fixedly connected with a limiting pipe (10) coaxial with the shaft lever (2), the upper end of the limiting pipe (10) is provided with a gear ring (11), the shaft lever (2) is positioned in the limiting pipe (10), and a plurality of groups of chutes (12) are uniformly arranged on the circumferential side wall of the shaft lever (2), all sliding connection has draw runner (13) in spout (12), and draw runner (13) bottom fixedly connected with and gear (14) of ring gear (11) meshing are connected with spring (15) between gear (14) bottom side and concave type frame (1) upside, and draw runner (13) top fixedly connected with knob (16), evenly has articulated a plurality of groups double hook frame (17) on arc frame (9).

2. The surgical retractor for hepatobiliary surgery as claimed in claim 1, wherein a third screw (18) is threaded through the bottom of the concave frame (1), and the top end of the third screw (18) is located in the concave frame (1) and is rotatably connected with a fixing plate (19).

3. The surgical retractor for hepatobiliary surgery according to claim 1, wherein a first notch is formed in the top of the first bracket (3), two ends of the first screw (4) respectively penetrate through the first notch in a threaded manner, and the first screw (4) is fixedly connected with the bottom of the second bracket (5).

4. The surgical retractor for hepatobiliary surgery according to claim 1, wherein a second notch is formed in the top of the second bracket (5), two ends of the second screw (6) respectively penetrate through the second notch in a threaded manner, and the second screw (6) is fixedly connected with the bottom of the third bracket (7).

5. The surgical retractor for hepatobiliary surgery as claimed in claim 1, wherein the curved frame (9) has a plurality of groups of hooking slots (20) for hooking with the double hook frame (17).