CN110811715A

CN110811715A - Convenient to use's drag hook device for thoracic surgery

Info

Publication number: CN110811715A
Application number: CN201911232014.5A
Authority: CN
Inventors: 刘洪�; 唐猛
Original assignee: Qingdao Central Hospital
Current assignee: Qingdao Central Hospital
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-02-21

Abstract

The invention discloses a convenient-to-use retractor device for thoracic surgery, which belongs to the technical field of auxiliary surgical instruments and comprises five retractor bodies, wherein the right side surface of each retractor body is fixedly connected with a shell, a first pin shaft is fixedly connected in each shell, two connecting rods are movably connected to the outer surface of each first pin shaft, the connecting rods are movably connected with second pin shafts, the middle positions of the opposite surfaces of the two connecting rods are movably connected through the same third pin shaft, a sliding groove is formed in the back surface of the inner wall of each shell, and a sliding block is connected in the sliding groove in a sliding mode. This convenient to use's drag hook device for thoracic surgery operation through the mutually supporting between screw cap, external screw thread, bearing, connecting plate, connecting rod and the drag hook to can adjust the expansion of drag hook and the scope of reducing according to the demand, with the affected part that the edge of a knife of this adaptation equidimension not cut, thereby can improve the suitability of this device.

Description

Convenient to use's drag hook device for thoracic surgery

Technical Field

The invention belongs to the technical field of auxiliary surgical instruments, and particularly relates to a convenient-to-use retractor device for thoracic surgery.

Background

In the surgical operation, skin muscles are often required to be cut open and then are respectively pulled to two sides by the draw hook, so that the required operation visual field is exposed to facilitate the normal operation of a doctor on a patient, but the common draw hook cannot be adjusted according to the incision size of the patient, so that the draw hook cannot be suitable for the patients with incisions of different sizes, and the applicability is low, therefore, the draw hook device for the thoracic surgery, which is convenient to use and adjust, is required to solve the problems.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects in the prior art, the invention provides the draw hook device for the thoracic surgery, which is convenient to use and solves the problem that the common operation draw hook is difficult to adjust according to the size of the incision of a patient, so that the applicability is low.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a convenient to use's drag hook device for thoracic surgery, includes the drag hook, the quantity of drag hook is five, the right flank fixedly connected with casing of drag hook, the first round pin axle of fixedly connected with in the casing, the surface swing joint of first round pin axle has two connecting rods, connecting rod and second round pin axle swing joint, two the middle part position of connecting rod opposite face is through same third round pin axle swing joint, the spout has been seted up at shells inner wall's the back, sliding connection has the slider in the spout.

The front of the sliding block is fixedly connected with the back of one of the second pin shafts, the front of one of the second pin shafts is fixedly connected with the front of the bearing through the connecting plate, the bearing is sleeved in the threaded cap, an external thread is connected with the threaded cap in an internal thread manner, the external thread is arranged on the outer surface of the handle, and the left end of the handle is fixedly connected with the right side face of one of the shells.

As a further scheme of the invention: the inner surface of the draw hook is provided with a soft pad, and the shape of the soft pad is matched with that of the draw hook.

As a further scheme of the invention: the slider shape sets up to the T shape, the shape of spout and the shape looks adaptation of slider.

As a further scheme of the invention: the connecting plate is positioned in the through hole, and the through hole is formed in the front face of one of the shells.

As a further scheme of the invention: the right end of the handle is provided with a convex block, and the outer surface of the threaded cap is provided with anti-skid lines.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. this convenient to use's drag hook device for thoracic surgery operation, through the screw cap, the external screw thread, the bearing, the connecting plate, mutually support between connecting rod and the drag hook, when needs are adjusted, through rotating the screw cap for the screw cap moves right, and a plurality of connecting rods are close to each other this moment, makes a plurality of drag hooks be close to each other and dwindles, thereby can adjust the expansion of drag hook and the scope of reducing according to the demand, with the affected part that this adaptation equidimension not edge of a knife cut, thereby can improve the suitability of this device.

2. This convenient to use's drag hook device for thoracic surgery operation through setting up slider and spout, and the shape of slider and spout all sets up to the T shape for the slider can be in the stable slip of spout, breaks away from the spout when avoiding the slider to slide, thereby can ensure that a plurality of connecting rods are close to each other and keep away from the stability of work each other.

3. This convenient to use's drag hook device for thoracic surgery operation through setting up the bearing for the screw cap can carry out stable rotation work in the bearing, thereby the screw cap work of being convenient for control this device normal use.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic diagram of a cross-sectional structure of the slider as viewed from the right according to the present invention;

in the figure: 1 drag hook, 2 casings, 3 first round pin axles, 4 chutes, 5 second round pin axles, 6 third round pin axles, 7 connecting rods, 8 external threads, 9 handles, 10 sliding blocks, 11 through holes, 12 connecting plates, 13 bearings and 14 thread caps.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the present invention provides a technical solution: a convenient to use's drag hook device for thoracic surgery, including drag hook 1, the internal surface of drag hook 1 is provided with the cushion, the shape of cushion and the shape looks adaptation of drag hook 1, through setting up the cushion, thereby can avoid drag hook 1 to the affected part rigid contact of patient, cause the affected part of patient to appear the overstimulation action, the quantity of drag hook 1 is five, the right flank of drag hook 1 is fixedly connected with casing 2, fixedly connected with first round pin axle 3 in casing 2, the surface swing joint of first round pin axle 3 has two connecting rods 7, connecting rod 7 and second round pin axle 5 swing joint, the middle position of the opposite face of two connecting rods 7 is through the swing joint of the same third round pin axle 6, the back of the inner wall of casing 2 is equipped with spout 4, the shape of slider 10 sets up to the T-shape, the shape of spout 4 and the shape looks adaptation of slider 10, through setting up slider 10 and spout 4, and the shape of spout, make slider 10 can be in spout 4 stable slip, break away from spout 4 when avoiding slider 10 to slide to can ensure that a plurality of connecting rods 7 are close to each other and keep away from the stability of work each other, sliding connection has slider 10 in spout 4.

The front of the sliding block 10 is fixedly connected with the back of the second pin shaft 5, the front of one second pin shaft 5 is fixedly connected with the front of the bearing 13 through the connecting plate 12, the bearing 13 is arranged, so that the screw cap 14 can stably rotate in the bearing 13, and the screw cap 14 is convenient to control the normal operation of the device, the connecting plate 12 is positioned in the through hole 11, the through hole 11 is arranged on the front of one shell 2, the through hole 11 is arranged, so that the connection between the connecting plate 12 and one second pin shaft 5 is facilitated, the through hole 11 provides a certain movable range for the connecting plate 12, so that the connecting plate 12 can move left and right, the bearing 13 is sleeved in the screw cap 14, the screw cap 14 is internally threaded with the external thread 8, the external thread 8 is arranged on the outer surface of the handle 9, and the handle 9 is arranged, so that a force application point can be provided for workers, make things convenient for the staff to hold drag hook 1, the right-hand member of handle 9 is provided with the lug, through setting up the lug, and the tip of staff's hand side can contact with the lug, it is spacing to staff's hand to make it, thereby staff's operation has been made things convenient for, screw cap 14's surface is provided with anti-skidding line, through setting up screw cap 14, and screw cap 14's surface is provided with anti-skidding line, make the frictional force increase between staff's hand and the screw cap 14, thereby make things convenient for staff's operation to use more, the left end of handle 9 and the right flank fixed connection of one of them casing 2.

The working principle of the invention is as follows:

s1, when the drag hook 1 needs to be adjusted to a smaller range, a worker rotates the screw cap 14 to enable the screw cap 14 to move rightwards, the screw cap 14 drives the bearing 13 to move rightwards, and the bearing 13 drives the connecting rods 7 to approach to each other through the connecting plate 12 and one of the second pin shafts 5;

s2, the connecting rod 7 can drive the draw hooks 1 to approach each other through the shell 2, when the draw hooks 1 approach each other to a proper position, the threaded caps 14 stop rotating, and at the moment, the draw hooks 1 can draw open the affected part cut by a small knife edge;

s3, when the drag hook 1 is required to be adjusted to a large range, the drag hook is reversely rotated to the screw cap 14, the screw cap 14 drives the bearing 13 to move leftwards, the bearing 13 drives the connecting rods 7 to be away from each other through the connecting plate 12 and one of the second pin shafts 5, the drag hook 1 is away from each other to a proper position at the moment, and then the worker stops rotating the screw cap 14, so that the drag hook 1 can pull open an affected part cut by a large knife edge.

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.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a convenient to use's drag hook device for thoracic surgery, includes drag hook (1), its characterized in that: the number of the draw hooks (1) is five, the right side face of each draw hook (1) is fixedly connected with a shell (2), a first pin shaft (3) is fixedly connected in the shell (2), the outer surface of the first pin shaft (3) is movably connected with two connecting rods (7), the connecting rods (7) are movably connected with a second pin shaft (5), the middle positions of opposite faces of the two connecting rods (7) are movably connected through a same third pin shaft (6), the back face of the inner wall of the shell (2) is provided with a sliding groove (4), and a sliding block (10) is slidably connected in the sliding groove (4);

the front of slider (10) and the back fixed connection of second round pin axle (5), one of them the front of second round pin axle (5) is through the front fixed connection of connecting plate (12) and bearing (13), bearing (13) cup joint in screw cap (14), screw cap (14) female connection has external screw thread (8), external screw thread (8) set up the surface at handle (9), the left end of handle (9) and the right flank fixed connection of one of them casing (2).

2. A thoracic surgical retractor apparatus according to claim 1 wherein: the inner surface of the draw hook (1) is provided with a soft cushion, and the shape of the soft cushion is matched with that of the draw hook (1).

3. A thoracic surgical retractor apparatus according to claim 1 wherein: the shape of the sliding block (10) is set to be T-shaped, and the shape of the sliding groove (4) is matched with the shape of the sliding block (10).

4. A thoracic surgical retractor apparatus according to claim 1 wherein: the connecting plate (12) is positioned in the through hole (11), and the through hole (11) is formed in the front face of one shell (2).

5. A thoracic surgical retractor apparatus according to claim 1 wherein: the right end of the handle (9) is provided with a convex block, and the outer surface of the threaded cap (14) is provided with anti-skid lines.