CN215306229U

CN215306229U - Adjustable drag hook for hepatobiliary surgery

Info

Publication number: CN215306229U
Application number: CN202121949299.7U
Authority: CN
Inventors: 曾江潮; 王吉明; 陈延宇; 许仲平
Original assignee: Fuling Center Hospital of Chongqing City
Current assignee: Fuling Center Hospital of Chongqing City
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-12-28
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to the field of medical equipment, and particularly discloses an adjustable drag hook for hepatobiliary surgery, which comprises two symmetrically arranged bases, wherein main rods are fixed at the tops of the bases, a fixed seat is vertically and slidably connected onto each main rod, a driving block coaxial with the main rods is rotatably connected to the tops of the fixed seats, and the driving block is in threaded connection with the main rods; a connecting rod is arranged between the main rods; a support rod is fixed at the bottom of the connecting rod, a horizontally arranged sleeve is fixed at the end part of the support rod, symmetrically arranged moving rods are connected in the sleeve in a sliding manner, the opposite ends of the moving rods extend out of the sleeve and are connected with a drag hook body, and racks are fixed at the opposite ends of the moving rods; the side wall of the sleeve is rotatably connected with a rotating shaft extending into the sleeve, and a driving gear meshed with the two racks is fixed on the rotating shaft; the utility model aims to solve the problem that the existing retractor for hepatobiliary surgery cannot be well fixed.

Description

Adjustable drag hook for hepatobiliary surgery

Technical Field

The utility model relates to the technical field of medical instruments, and particularly discloses an adjustable drag hook for hepatobiliary surgery.

Background

With the increasing of the living standard, the treatment level of some surgical diseases is also increasing, and the major research on liver and gall surgery for acute liver failure caused by hepatocellular carcinoma, hepatobiliary calculus, posthepatitic cirrhosis and severe hepatitis is a major disease seriously threatening the health of Chinese people.

In hepatobiliary surgery operation process, need hold skin muscle with the operation drag hook, expose the operation field of vision, but current operation drag hook adopts the manual work to stimulate, often needs medical personnel to keep the pulling state for a long time, very big consumption physical power often needs to be changed medical personnel when operation time long term, and drag hook equipment can not obtain fine fixed at the operation process, and it influences the operation field of vision to have the utmost possible, has increased the danger of operation, lets patient undertake more risks.

Disclosure of Invention

The utility model aims to provide an adjustable retractor for hepatobiliary surgery, and aims to solve the problem that the existing retractor for hepatobiliary surgery cannot be well fixed.

In order to achieve the purpose, the basic scheme of the utility model is as follows:

an adjustable drag hook for hepatobiliary surgery comprises two symmetrically arranged bases, wherein the tops of the bases are respectively fixed with a main rod, the main rod is vertically and slidably connected with a fixed seat, the top of the fixed seat is rotatably connected with a driving block coaxial with the main rod, and the driving block is in threaded connection with the main rod; a connecting rod is arranged between the main rods; a support rod is fixed at the bottom of the connecting rod, a horizontally arranged sleeve is fixed at the end part of the support rod, symmetrically arranged moving rods are connected in the sleeve in a sliding manner, the opposite ends of the moving rods extend out of the sleeve and are connected with a drag hook body, and racks are fixed at the opposite ends of the moving rods; the side wall of the sleeve is rotatably connected with a rotating shaft extending into the interior of the sleeve, and a driving gear meshed with the two racks is fixed on the rotating shaft.

The bases on the two sides are arranged below the bed edges on the two sides of the operating bed, the driving block is rotated to drive the fixing seat to slide downwards until the fixing seat and the base are clamped on the bed edges, the base, the fixing seat and the operating bed are used for fixing equipment beside a patient bed, and medical workers do not need to hold a drag hook for a long time, so that the labor intensity of the medical workers is reduced; during the operation process used the drag hook, through rotating the pivot, the pivot drove the driving gear and rotates, and the driving gear promotes the carriage release lever through the rack of upper and lower both sides meshing and removes towards the left and right sides, and the carriage release lever then drives the drag hook and removes, holds skin muscle to adjust the operation field of vision, whole process easy operation, make that the staff can relax adjust the drag hook.

Optionally, the top of the main rod is provided with coaxial chutes, the chutes are vertically and slidably connected with screws, the top of the main rod is rotatably connected with nuts, and the nuts are in threaded connection with the screws; the top of the screw rod is rotatably connected with the annular blocks of the coaxial line, the two ends of the connecting rod are fixedly connected with telescopic rods, and the end parts of the telescopic rods are fixedly connected with the corresponding annular blocks.

The nut drives the screw rod to move up and down by rotating the nut, and the annular block is rotationally connected to the screw rod, so that the connecting rod cannot influence the normal rotation of the screw rod; the ring-shaped block is driven to move up and down through the rotation of the screw rod, so that the sleeve and the draw hook are driven to move up and down, and the purpose of adjusting the height of the draw hook is achieved; and the telescopic rod is used for adjusting the distance between the bases on the two sides so as to be suitable for operating tables with different sizes.

Optionally, a limit pin parallel to the rotating shaft is slidably connected to the other side wall of the sleeve, and the limit pin is engaged with the driving gear.

When the draw hook needs to be adjusted, the limiting pin is drawn out, so that the driving gear can normally rotate; when the draw hook needs to be fixed, insert the spacer pin, spacer pin and driving gear mesh once more prevents that the driving gear from rotating to fix the draw hook.

Optionally, a plurality of vertically arranged guide grooves are formed on the periphery of the main rod, and guide blocks corresponding to the guide grooves are fixed on the fixing seat.

Through the cooperation of guide way and guide block, can not rotate when making the fixing base reciprocate, influence the fixed of equipment.

Optionally, a handheld portion is fixed to the end portion of the rotating shaft.

Optionally, the base and the opposite surface of the fixing seat are both provided with anti-skid protrusions.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a longitudinal cross-sectional view of a sleeve in an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a point a in fig. 2.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the anti-skidding device comprises a base 1, a main rod 2, a fixing seat 3, a connecting rod 4, a support rod 5, a driving block 6, a sleeve 7, a moving rod 8, a draw hook 9, a rack 10, a rotating shaft 11, a driving gear 12, a screw 13, a nut 14, an annular block 15, a telescopic rod 16, a limiting pin 17, a guide groove 18, a handheld portion 19 and an anti-skidding bulge 20.

Examples

As shown in fig. 1, 2 and 3:

an adjustable drag hook for hepatobiliary surgery comprises two symmetrically arranged bases 1, wherein a main rod 2 is welded on the top of each base 1, a fixed seat 3 is vertically and slidably connected onto the main rod 2, a driving block 6 coaxial with the main rod 2 is rotatably connected onto the top of each fixed seat 3, and the driving block 6 is in threaded connection with the main rod 2; a connecting rod 4 is arranged between the main rods 2; a vertically arranged support rod 5 is welded at the bottom of the connecting rod 4, a horizontally arranged sleeve 7 is fixed at the end part of the support rod 5, the sleeve 7 is parallel to the connecting rod 4, symmetrically arranged moving rods 8 are connected in the sleeve 7 in a sliding manner, the opposite ends of the moving rods 8 extend out of the sleeve 7 and are connected with a drag hook 9 body, and racks 10 are fixed at the opposite ends of the moving rods 8; the side wall of the sleeve 7 is rotatably connected with a rotating shaft 11 extending into the sleeve 7, and a driving gear 12 meshed with the two racks 10 is fixed on the rotating shaft 11.

The base 1 on two sides is arranged below the bed edges on two sides of the operating bed, the driving block 6 is rotated to drive the fixing seat 3 to slide downwards until the fixing seat 3 and the base 1 are clamped on the bed edges, the base 1, the fixing seat 3 and the operating bed are used for fixing equipment beside a sick bed, and medical workers do not need to hold the drag hook 9 for a long time, so that the labor intensity of the medical workers is reduced; during operation process used drag hook 9, through rotating pivot 11, pivot 11 drives driving gear 12 and rotates, and driving gear 12 promotes carriage release lever 8 through rack 10 of upper and lower both sides meshing and removes to left and right both sides, and carriage release lever 8 then drives drag hook 9 and removes, holds skin muscle to adjust the operation field of vision, whole process easy operation makes that the staff can relax adjust drag hook 9.

Optionally, coaxial sliding grooves are formed in the top of the main rod 2, screw rods 13 are vertically and slidably connected in the sliding grooves, nuts 14 are connected to the screw rods 13 in a threaded manner, and the nuts 14 are rotatably connected to the top of the main rod 2; the top of the screw rod 13 is rotatably connected with a coaxial annular block 15, the two ends of the connecting rod 4 are fixedly connected with telescopic rods 16, and the end parts of the telescopic rods 16 are fixedly welded with the corresponding annular blocks 15.

By rotating the nut 14, the nut 14 drives the screw 13 to move up and down, and the annular block 15 is rotationally connected to the screw 13, so that the connecting rod 4 does not influence the normal rotation of the screw 13; the rotation of the screw rod 13 drives the annular block 15 to move up and down, so that the sleeve 7 and the drag hook 9 are driven to move up and down, and the purpose of adjusting the height of the drag hook 9 is achieved; and the telescopic rod 16 is used for adjusting the distance between the bases 1 at two sides so as to be suitable for operating tables with different sizes.

Optionally, a limit pin 17 parallel to the rotating shaft 11 is slidably connected to the other side wall of the sleeve 7, and the limit pin 17 is engaged with the driving gear 12.

When the draw hook 9 needs to be adjusted, the limit pin 17 is drawn out, so that the driving gear 12 can normally rotate; when the draw hook 9 needs to be fixed, the limit pin 17 is inserted, the limit pin 17 is meshed with the driving gear 12 again, the driving gear 12 is prevented from rotating, and therefore the draw hook 9 is fixed.

Optionally, three vertically arranged guide grooves 18 are formed on the periphery of the main rod 2, and guide blocks corresponding to the guide grooves 18 are integrally formed on the fixed seat 3; through the cooperation of guide way 18 and guide block, can not rotate when making fixing base 3 reciprocate, influence the fixed of equipment.

Optionally, a handheld portion 19 is welded to an end of the rotating shaft 11; the contact area between the rotating shaft 11 and the hand is increased by the handheld part 19, so that the rotating shaft 11 can be rotated better.

Optionally, irregular anti-skid protrusions 20 are arranged on the opposite surfaces of the base 1 and the fixed seat 3; utilize anti-skidding arch 20 to improve the frictional force between base 1, fixing base 3 and the operation table, improve equipment's stability.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims

1. The utility model provides an adjustable drag hook for hepatobiliary surgery which characterized in that: the device comprises two symmetrically arranged bases, wherein the tops of the bases are respectively fixed with a main rod, the main rod is vertically and slidably connected with a fixed seat, the top of the fixed seat is rotatably connected with a driving block coaxial with the main rod, and the driving block is in threaded connection with the main rod; a connecting rod is arranged between the main rods; a support rod is fixed at the bottom of the connecting rod, a horizontally arranged sleeve is fixed at the end part of the support rod, symmetrically arranged moving rods are connected in the sleeve in a sliding manner, the opposite ends of the moving rods extend out of the sleeve and are connected with a drag hook body, and racks are fixed at the opposite ends of the moving rods; the side wall of the sleeve is rotatably connected with a rotating shaft extending into the interior of the sleeve, and a driving gear meshed with the two racks is fixed on the rotating shaft.

2. The adjustable retractor for hepatobiliary surgery according to claim 1, wherein: the top of the main rod is provided with coaxial chutes, the chutes are vertically and slidably connected with screws, the top of the main rod is rotatably connected with nuts, and the nuts are in threaded connection with the screws; the top of the screw rod is rotatably connected with the annular blocks of the coaxial line, the two ends of the connecting rod are fixedly connected with telescopic rods, and the end parts of the telescopic rods are fixedly connected with the corresponding annular blocks.

3. The adjustable retractor for hepatobiliary surgery according to claim 2, wherein: and the other side wall of the sleeve is connected with a limiting pin parallel to the rotating shaft in a sliding manner, and the limiting pin is clamped with the driving gear.

4. The adjustable retractor for hepatobiliary surgery according to claim 3, wherein: the periphery of the main rod is provided with a plurality of vertically arranged guide grooves, and the fixed seat is fixed with guide blocks corresponding to the guide grooves.

5. The adjustable retractor for hepatobiliary surgery according to claim 4, wherein: and a handheld part is fixed at the end part of the rotating shaft.

6. The adjustable retractor for hepatobiliary surgery according to claim 5, wherein: and anti-skid protrusions are arranged on the opposite surfaces of the base and the fixing seat.