CN219166492U - Double-joint single-person drag hook - Google Patents

Abstract

The utility model discloses a double-joint single-person drag hook, which relates to the technical field of double-joint drag hooks and comprises a left clamp handle and a right clamp handle, wherein the rear ends of the left clamp handle and the right clamp handle are fixedly connected with clamp arms, the rear ends of the clamp arms are provided with connecting grooves, the interiors of the connecting grooves are rotationally connected with rotating rings, the interiors of the connecting grooves are in threaded connection with elastic screws, the upper ends of the rotating rings are fixedly connected with connectors, threaded holes are formed in the interiors of the connectors, threaded columns are in threaded connection with the interiors of the threaded holes, the upper ends of the threaded columns are fixedly connected with a flat plate drag hook.

Description

Double-joint single-person drag hook

Technical Field

The utility model relates to the technical field of double-joint drag hooks, in particular to a double-joint single drag hook.

Background

The double-joint single-person hook is a medical instrument used in operation, human tissue is thicker in the operation process, and the soft tissue of the human body needs to be pulled outwards by using a drag hook when the operation field is fully exposed in the sight, so that a doctor of a main knife can perform the operation conveniently.

The existing double-joint single-person drag hook is mostly in a flat plate shape when in use, is suitable for a surface with a large and rough wound, and needs to be fixed by drag hooks with different shapes when the surface of the wound is lubricated due to blood dip dyeing, but the existing drag hook is mostly in a fixed structure and cannot be replaced according to the condition of a patient, so that the applicability is not strong during operation.

Disclosure of Invention

The utility model aims to provide a double-joint single-person drag hook so as to solve the problem that the drag hook proposed in the background art cannot be replaced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: double-joint single draw hook comprises a left clamp handle and a right clamp handle, wherein clamp arms are fixedly connected to the rear ends of the left clamp handle and the right clamp handle, a connecting groove is formed in the rear end of each clamp arm, a rotating ring is connected to the inside of each connecting groove in a rotating mode, an elastic screw is connected to the inside of each connecting groove in a threaded mode, a connector is fixedly connected to the upper end of each rotating ring, a threaded hole is formed in the connector, a threaded column is connected to the inside of each threaded hole in a threaded mode, and a flat draw hook is fixedly connected to the upper end of each threaded column.

Further, the upper end of the threaded column is fixedly connected with a claw-shaped drag hook, and the claw-shaped drag hook is connected with three hook claws, so that when the flat drag hook is smooth and difficult to pull open at a wound, the flat drag hook can be replaced by the claw-shaped drag hook with the hook claw structure.

Further, the first go-between of left pincers handle outside fixedly connected with, right pincers handle outside fixedly connected with second go-between, the inside all rotation of first go-between and second go-between is connected with the connecting axle, utilizes lever principle, and is light with the pincers arm struts.

Further, the front ends of the left clamp handle and the right clamp handle are fixedly connected with pinching rings, the outer sides of the pinching rings are fixedly connected with rubber pads, and collision friction of the pinching rings in the using process is prevented, so that the precision of the instrument is affected.

Further, the right end fixedly connected with arc of left pincers handle, spacing tooth has been seted up to the arc outside, the through-hole has been seted up to right pincers handle inside, the arc can follow the through-hole inside and pass, conveniently controls the degree of opening of pincers handle.

Further, the limiting groove is formed in the right clamp handle, the compression spring is fixedly connected in the limiting groove, the clamping block is slidably connected in the limiting groove, and the angle between the clamp handles can be fixed by the aid of the clamping block, so that physical strength is saved.

Compared with the prior art, the utility model has the beneficial effects that: this double-joint single drag hook judges to use dull and stereotyped drag hook and claw form drag hook through patient incision department's condition, when incision department is fixed easily, with dull and stereotyped drag hook screw in the screw hole of connector through the screw thread post of lower extreme, and the incision is inside to bleed and produce when wet smooth difficult fixed, then install claw form drag hook to the connector, utilize the claw that has to increase frictional force and make the incision more by the struts easily, make it can change the drag hook of use according to the condition, strengthen the suitability of this medical instrument in the operation in-process.

Drawings

FIG. 1 is a schematic diagram of a split structure of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 1;

fig. 4 is a schematic diagram of a latch structure according to the present utility model.

In the figure: 1. a left clamp handle; 2. a right clamp handle; 3. a clamp arm; 4. a connecting groove; 5. a rotating ring; 6. tightening the screw; 7. a connector; 8. a threaded hole; 9. a threaded column; 10. a flat plate drag hook; 11. claw-shaped drag hook; 12. a first connection ring; 13. a second connecting ring; 14. a connecting shaft; 15. pinching the ring; 16. a rubber pad; 17. an arc-shaped plate; 18. limit teeth; 19. a through hole; 20. a limit groove; 21. a spring; 22. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: double-joint single draw hook comprises a left clamp handle 1 and a right clamp handle 2, wherein clamp arms 3 are fixedly connected to the rear ends of the left clamp handle 1 and the right clamp handle 2, a connecting groove 4 is formed in the rear end of each clamp arm 3, a rotating ring 5 is connected to the inside of each connecting groove 4 in a rotating mode, an elastic screw 6 is connected to the inside of each connecting groove 4 in a threaded mode, a connector 7 is fixedly connected to the upper end of each rotating ring 5, a threaded hole 8 is formed in the connector 7, a threaded column 9 is connected to the inside of each threaded hole 8 in a threaded mode, and a flat draw hook 10 is fixedly connected to the upper end of each threaded column 9.

The utility model provides a flat-plate retractor, including screw thread post 9, screw thread post 2, screw thread post 9, screw thread post is connected with claw-shaped retractor 11, be connected with three claw on the claw-shaped retractor 11, when flat-plate retractor 10 is smooth difficult for pulling open in the wound, removable claw-shaped retractor 11 that has the claw structure, the first go-between 12 of left tong handle 1 outside fixedly connected with, the second go-between 13 of right tong handle 2 outside fixedly connected with, the equal rotation of inside first go-between 12 and second go-between 13 is connected with connecting axle 14, utilizes lever principle, light struts tong arm 3.

Simultaneously, the equal fixedly connected with of left side pincers handle 1 and right side pincers handle 2 front end is pinched ring 15, pinching ring 15 outside fixedly connected with rubber pad 16 prevents to pinch ring 15 and takes place collision friction in the use, influences the apparatus precision, the fixed connection of left side pincers handle 1 right-hand member has arc 17, spacing tooth 18 has been seted up in the arc 17 outside, through-hole 19 has been seted up to right side pincers handle 2 inside, arc 17 can follow through-hole 19 inside and pass, conveniently controls the degree of opening of pincers handle.

In addition, the limit groove 20 is formed in the right clamp handle 2, the compression spring 21 is fixedly connected in the limit groove 20, the clamping block 22 is slidably connected in the limit groove 20, and the angle between the clamp handles can be fixed by the clamping block 22, so that the physical strength is saved.

Working principle: when the surface of a human body is cut, the flat plate drag hook 10 and the claw drag hook 11 are firstly judged according to the condition of the incision of a patient, when the incision is easy to fix, the flat plate drag hook 10 is screwed into the threaded hole 8 of the connector 7 through the threaded column 9 at the lower end, and when the incision is wet and slippery and difficult to fix, the claw drag hook 11 is arranged on the connector 7, the incision is easier to be spread by increasing friction force through the provided claw, after the drag hook is determined, the sensitivity of the rotating ring 5 in the connecting groove 4 can be adjusted by rotating the elastic screw 6 in the connecting groove 4, then the inner side of the drag hook is close to the edge of the wound, the pinching ring 15 connected with the left clamp handle 1 and the right clamp handle 2 is closed to the center, the incision is spread outwards through the connecting shaft 14 in the middle of the first connecting ring 12 and the second connecting ring 13 under the action of the lever principle, the arc plate 17 moves rightwards in the through hole 19 in the spreading process, the clamping block 22 in the limiting groove 20 is meshed with the limiting teeth 18 under the action of the compression spring 21, and the convenience of fixing the distance between the clamp handles is realized, and the operation is convenient to perform next operation.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. Double-joint single draw hook comprises a left clamp handle (1) and a right clamp handle (2), and is characterized in that: the novel left-hand pliers are characterized in that the pliers arms (3) are fixedly connected to the rear ends of the left pliers handle (1) and the right pliers handle (2), the connecting grooves (4) are formed in the rear ends of the pliers arms (3), the rotating rings (5) are connected to the connecting grooves (4) in a rotating mode, the elastic screws (6) are connected to the inner threads of the connecting grooves (4), the connectors (7) are fixedly connected to the upper ends of the rotating rings (5), the threaded holes (8) are formed in the connectors (7), the threaded columns (9) are connected to the inner threads of the threaded holes (8), and the flat plate draw hooks (10) are fixedly connected to the upper ends of the threaded columns (9).

2. The double-joint single-person retractor of claim 1, wherein: the upper end of the threaded column (9) is fixedly connected with a claw-shaped drag hook (11), and the claw-shaped drag hook (11) is connected with three hook claws.

3. The double-joint single-person retractor of claim 1, wherein: the left forceps handle (1) outside fixedly connected with first go-between (12), right forceps handle (2) outside fixedly connected with second go-between (13), inside all rotation connection of first go-between (12) and second go-between (13) has connecting axle (14).

4. The double-joint single-person retractor of claim 1, wherein: the front ends of the left forceps handle (1) and the right forceps handle (2) are fixedly connected with pinching rings (15), and rubber pads (16) are fixedly connected to the outer sides of the pinching rings (15).

5. The double-joint single-person retractor of claim 1, wherein: the right end of the left clamp handle (1) is fixedly connected with an arc-shaped plate (17), limiting teeth (18) are formed in the outer side of the arc-shaped plate (17), a through hole (19) is formed in the right clamp handle (2), and the arc-shaped plate (17) can penetrate through the through hole (19).

6. The double-joint single-person retractor of claim 1, wherein: limiting grooves (20) are formed in the right clamp handles (2), compression springs (21) are fixedly connected inside the limiting grooves (20), and clamping blocks (22) are slidably connected inside the limiting grooves (20).

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