CN213910348U

CN213910348U - Skin drag hook with adjustable length

Info

Publication number: CN213910348U
Application number: CN202022505410.5U
Authority: CN
Inventors: 肖建如; 张�浩; 江润益; 王峣
Original assignee: Shanghai Changzheng Hospital
Current assignee: Shanghai Changzheng Hospital
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-08-10
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a skin drag hook of adjustable length, comprising a straight pipe, cardboard and back cardboard before the inner wall difference fixedly connected with of straight tube, first through-hole has been seted up to the left surface of preceding cardboard, the left surface set up screw hole of back cardboard, the pull hook rod has been placed to the inside of straight tube, the left end of pull hook rod runs through first through-hole and extends to the left side of preceding cardboard, the inner wall fixedly connected with of straight tube supports the support. This length adjustable skin drag hook, through rotatory commentaries on classics handle, can drive the threaded rod and rotate, and then the mesh that the threaded rod rotation was advanced is realized to the cooperation screw hole, play the effect that the length was stretched out to the regulation drag hook pole, the drag hook pole does not receive the threaded rod to influence when can realizing the threaded rod normal rotation, avoid rotatory threaded rod to influence the problem that the drag hook pole used, can utilize pointer and the scale of removal, show the concrete numerical value of pointer displacement, thereby control the displacement volume of drag hook pole, reach the effect of accurate control length adjustment.

Description

Skin drag hook with adjustable length

Technical Field

The utility model belongs to the technical field of the drag hook, especially, relate to a skin drag hook of adjustable length.

Background

The retractor is a medical apparatus, is a common surgical tool, is mainly used for assisting the assembly and implantation of related hip joint prostheses, is also used for retracting tissues, shows the range of operations needed, is convenient to explore and operate, can be generally divided into two types of handheld retractors and automatic retractors according to the difference of the operations, has specifications of various shapes and sizes, can select a proper retractor according to the needs of the operations during use, the use of the retractor is more and more extensive in the surgical operations till now, but the use of the retractor still has some defects, the length of the retractor which is traditionally acted on the skin can not be adjusted, and is inconvenient for a doctor to operate the operation area, and the efficiency of the operations is seriously affected, so in order to solve the problems, the skin retractor with the adjustable length is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, aim at solving above-mentioned existence traditional skin drag hook and can not adjust length, be not convenient for doctor to operate the operation region, seriously influenced the problem of operation efficiency.

The utility model is realized in such a way, a skin drag hook with adjustable length comprises a straight pipe, the inner wall of the straight pipe is respectively and fixedly connected with a front clamping plate and a rear clamping plate, the left side surface of the front clamping plate is provided with a first through hole, the left side surface of the rear clamping plate is provided with a threaded hole, a drag hook rod is placed inside the straight pipe, the left end of the drag hook rod penetrates through the first through hole and extends to the left side of the front clamping plate, the inner wall of the straight pipe is fixedly connected with a supporting bracket, the upper surface of the supporting bracket is contacted with the outer surface of the drag hook rod, the outer surface of the straight pipe is provided with a second through hole, the right end of the drag hook rod is fixedly embedded with a bearing, the outer surface of the bearing is fixedly connected with a pointer, the top end of the pointer penetrates through the second through hole and extends to the upper part of the straight pipe, the outer surface of the straight pipe is fixedly connected with a graduated scale, the inner ring of the bearing is fixedly connected with a threaded rod, the right-hand member of threaded rod runs through the screw hole and extends to the right side of back cardboard, and the surface of threaded rod and the inner wall threaded connection of screw hole, the right-hand member fixedly connected with of threaded rod changes the handle.

Preferably, the inner wall of the first through hole is fixedly connected with a light sliding sleeve, and the inner wall of the light sliding sleeve is contacted with the outer surface of the drag hook rod.

Preferably, the upper surface of the support bracket is fixedly connected with a bearing pad, and the upper surface of the bearing pad is in contact with the outer surface of the draw hook rod.

Preferably, the inner wall of the straight pipe is fixedly connected with a limiting block, and the bottom surface of the limiting block is in contact with the outer surface of the draw hook rod.

Preferably, a baffle is placed inside the straight pipe, and the inner wall of the baffle is fixedly connected with the outer surface of the threaded rod.

Preferably, the outer surface of the straight pipe is fixedly connected with two groups of symmetrical fixing plates, and the upper surface of each fixing plate is provided with a fixing hole.

Preferably, the outer surface of the rotating handle is provided with symmetrical anti-slip sleeves, and the inner wall of each anti-slip sleeve is fixedly connected with the outer surface of the rotating handle.

Compared with the prior art, the beneficial effects of the utility model are that: through rotatory commentaries on classics handle, can drive the threaded rod and rotate, and then the rotatory mesh that advances of threaded rod is realized to the cooperation screw hole, play the effect of adjusting the length that the pull hook pole stretches out, through the bearing, the pull hook pole does not receive the threaded rod to influence when can guaranteeing the threaded rod normal rotation, avoid rotatory threaded rod to influence the problem that the pull hook pole used, be connected through pointer and bearing, the pointer that can utilize the removal and the cooperation of scale, show the concrete numerical value of displacement, thereby control the displacement volume of pull hook pole, reach the effect of accurate control length adjustment, through the cooperation that supports support and stopper, can fix the position of pull hook pole, avoid the uncertain problem that influences the operation and use of pull hook pole position.

Drawings

Fig. 1 is a top view of a straight pipe of the present invention;

FIG. 2 is a cross-sectional view of a straight tube according to the present invention;

fig. 3 is a side view of the straight tube of the present invention.

In the figure: 1. a first through hole; 2. a front clamping plate; 3. a support bracket; 4. a load-bearing pad; 5. a drawbar; 6. a straight pipe; 7. a bearing; 8. a threaded rod; 9. a rear clamping plate; 10. a fixing hole; 11. an anti-slip sleeve; 12. turning a handle; 13. a threaded hole; 14. a second through hole; 15. a graduated scale; 16. a baffle plate; 17. a pointer; 18. a limiting block; 19. an optical sliding sleeve; 20. and (7) fixing the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "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 merely for convenience of description and simplicity of 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a skin retractor with adjustable length comprises a straight tube 6, the inner wall of the straight tube 6 is fixedly connected with a front clamping plate 2 and a rear clamping plate 9 respectively, the left side surface of the front clamping plate 2 is provided with a first through hole 1, the left side surface of the rear clamping plate 9 is provided with a threaded hole 13, a retractor rod 5 is placed inside the straight tube 6, the left end of the retractor rod 5 penetrates through the first through hole 1 and extends to the left side of the front clamping plate 2, the inner wall of the straight tube 6 is fixedly connected with a support 3, the upper surface of the support 3 is in contact with the outer surface of the retractor rod 5, the outer surface of the straight tube 6 is provided with a second through hole 14, the right end of the retractor rod 5 is fixedly embedded with a bearing 7, the outer surface of the bearing 7 is fixedly connected with a pointer 17, the top end of the pointer 17 penetrates through the second through hole 14 and extends to the upper side of the straight tube 6, the outer surface of the straight tube 6 is fixedly connected with a graduated scale 15, the inner ring of the bearing 7 is fixedly connected with a threaded rod 8, the right-hand member of threaded rod 8 runs through screw hole 13 and extends to the right side of back cardboard 9, and the surface of threaded rod 8 and the inner wall threaded connection of screw hole 13, and the right-hand member fixedly connected with of threaded rod 8 changes 12.

The utility model discloses in, the inner wall fixed connection of first through-hole 1 has smooth sliding sleeve 19, smooth inner wall of covering 19 contacts with drag hook rod 5's surface, reduce the friction of drag hook rod 5 surface, be convenient for the removal of drag hook rod 5, support the last fixed surface who holds in the palm 3 and be connected with bearing pad 4, the upper surface of bearing pad 4 contacts with drag hook rod 5's surface, support drag hook rod 5, play the effect of support, the inner wall fixedly connected with stopper 18 of straight tube 6, the bottom surface of stopper 18 contacts with drag hook rod 5's surface, fix drag hook rod 5, avoid the problem of fixed not firm emergence accident.

Baffle 16 has been placed to the inside of straight tube 6, baffle 16's inner wall and the outer fixed surface of threaded rod 8 are connected, avoid bearing 7 and back cardboard 9 direct contact, prolong bearing 7's life, the outer fixed surface of straight tube 6 is connected with two sets of symmetrical fixed plates 20, fixed orifices 10 has all been seted up to the upper surface of every fixed plate 20, can fix the position of straight tube 6, reach the effect of stable use, change and to have placed symmetrical antiskid cover 11 to the surface of 12, the inner wall of every antiskid cover 11 all with change the outer fixed surface of 12 and be connected, the increase is changeed the friction of 12 surfaces, be convenient for change the use of 12.

The utility model discloses a theory of operation is: when the device is used, the straight tube 6 is firstly placed in a scene to be used, then the position of the straight tube 6 is fixed by using the fixing plate 20 and the fixing hole 10, if skin needs to be stretched, the skin needing to be stretched is hooked by the draw hook on the left side of the draw hook rod 5, then the rotating handle 12 is rotated, the threaded rod 8 starts to rotate under the action of the rotating handle 12, the threaded rod 8 is in threaded connection with the threaded hole 13, the threaded rod 8 can move by using rotation, and because the threaded rod 8 is connected with the draw hook rod 5 through the bearing 7, the rotation of the threaded rod 8 cannot influence the draw hook rod 5, and the movement of the threaded rod 8 can drive the draw hook rod 5 to move, so that the purpose of stretching the skin is realized by moving the draw hook rod 5, if the stretching size needs to be accurately calculated, only the difference value between the initial position and the tail position of the pointer 17 on the graduated scale 15 before and after the operation needs to be calculated, a conclusion can be drawn.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a skin drag hook of adjustable length, includes straight tube (6), its characterized in that: the inner wall of the straight pipe (6) is fixedly connected with a front clamping plate (2) and a rear clamping plate (9) respectively, the left side face of the front clamping plate (2) is provided with a first through hole (1), the left side face of the rear clamping plate (9) is provided with a threaded hole (13), a draw hook rod (5) is placed inside the straight pipe (6), the left end of the draw hook rod (5) penetrates through the first through hole (1) and extends to the left side of the front clamping plate (2), the inner wall of the straight pipe (6) is fixedly connected with a support bracket (3), the upper surface of the support bracket (3) is in contact with the outer surface of the draw hook rod (5), the outer surface of the straight pipe (6) is provided with a second through hole (14), the right end of the draw hook rod (5) is fixedly embedded with a bearing (7), the outer surface of the bearing (7) is fixedly connected with a pointer (17), and the top end of the pointer (17) penetrates through the second through hole (14) and extends to the upper side of the straight pipe (6), the outer fixed surface of straight tube (6) is connected with scale (15), the inner circle fixedly connected with threaded rod (8) of bearing (7), the right-hand member of threaded rod (8) runs through screw hole (13) and extends to the right side of back cardboard (9), and the outer surface of threaded rod (8) and the inner wall threaded connection of screw hole (13), the right-hand member fixedly connected with of threaded rod (8) changes (12).

2. The skin retractor with adjustable length as claimed in claim 1, wherein: the inner wall fixed connection of first through-hole (1) has light sliding sleeve (19), the inner wall of light sliding sleeve (19) contacts with the surface of drawbar (5).

3. The skin retractor with adjustable length as claimed in claim 1, wherein: the upper surface of the support bracket (3) is fixedly connected with a bearing pad (4), and the upper surface of the bearing pad (4) is in contact with the outer surface of the draw hook rod (5).

4. The skin retractor with adjustable length as claimed in claim 1, wherein: the inner wall of the straight pipe (6) is fixedly connected with a limiting block (18), and the bottom surface of the limiting block (18) is in contact with the outer surface of the drag hook rod (5).

5. The skin retractor with adjustable length as claimed in claim 1, wherein: a baffle (16) is placed in the straight pipe (6), and the inner wall of the baffle (16) is fixedly connected with the outer surface of the threaded rod (8).

6. The skin retractor with adjustable length as claimed in claim 1, wherein: the outer surface of the straight pipe (6) is fixedly connected with two groups of symmetrical fixing plates (20), and the upper surface of each fixing plate (20) is provided with a fixing hole (10).

7. The skin retractor with adjustable length as claimed in claim 1, wherein: symmetrical anti-skidding sleeves (11) are placed on the outer surface of the rotating handle (12), and the inner wall of each anti-skidding sleeve (11) is fixedly connected with the outer surface of the rotating handle (12).